Murray County

Population 7,942 (2025) 705 sq mi

Murray County has recorded 34 tornadoes since 1950, 23rd most of 87 counties in Minnesota; the most recent was on June 10, 2023.

Hazard fingerprint for Murray County Tornado: 63th percentile. Tropical: 0th percentile. Wildfire: 0th percentile. Flood: 40th percentile. Hail & wind: 35th percentile. Heat: 70th percentile. Cold: 88th percentile. Winter: 90th percentile. TORTROPFIREFLOODSEVEREHEATCOLDWINTER

Hazard fingerprint Each spoke is this county’s percentile among U.S. counties where that hazard occurs. How it is computed

2026
  • Tornado damage paths since 195034

At a glance

The record for Murray County in eight numbers. Each links to its section below.

Tornadoes since 1950

34

23rd of 87 in Minnesota

26% more than the typical Minnesota county

Details

Flood insurance claims

15

62nd of 87 in Minnesota

$166,000 paid since 1997

Details

Strongest tornado

F5

June 16, 1992, 16.0 mile path

Federal disaster declarations

17

Most recent: Severe Storms and Flooding, 2024

Details

Record high

105°F

June 21, 1988

Details

Record low

−33°F

Reached 2 times, most recently January 3, 2010

Details

Snowiest season

85.9in

Winter of 1983-84

Costliest event since 1996

$10.0M

Winter Storm, April 9, 2013

Details

Tornadoes

About one every 2.2 years since 1950, 6 of them rated F3/EF3 or stronger.

Strongest

June 16, 1992

F5, 16.0 mile path

280 yards wide; 1 killed along the whole path.

Deadliest

June 13, 1968

9 killed, F5

150 injured along the whole path.

Most recent

Saturday, June 10, 2023

EFU, 0.1 mile path

3 years ago.

Tornadoes by decade Doppler radar era² 1950s: 0 1960s: 2 2 1970s: 0 1980s: 5 5 1990s: 12 12 2000s: 3 3 2010s: 6 6 2020s: 6 6 1950s1960s1970s1980s1990s2000s2010s2020s
Recorded tornadoes per decade. The 2020s are incomplete.
Tornadoes by month J: 0 F: 0 M: 2 A: 5 M: 4 J: 11 11 J: 3 A: 9 S: 0 O: 0 N: 0 D: 0 JFMAMJJASOND
By month of occurrence, all years.

Every recorded tornado

Tornadoes in Murray County since 1950
Jun 10, 2023EFU0.11000
May 11, 2022EF13.57500
Aug 28, 2021EFU2.22000
Aug 28, 2021EFU0.62000
Aug 28, 2021EFU1.92000
Aug 28, 2021EFU1.24000
Aug 17, 2019EF01.15000
Aug 17, 2019EF00.95000
Aug 17, 2019EF00.85000
Aug 17, 2019EF13.97500
Jun 5, 2014EF00.35000
Jul 17, 2010EF00.55000
Jun 11, 2008EF12.710010
Jun 11, 2008EF13.810000
May 16, 2004F01.010000
Mar 29, 1998F10.15000
Mar 29, 1998F473.51,500191
Aug 7, 1994F13.010000
Jul 11, 1994F00.11000
May 7, 1993F14.010000
May 7, 1993F14.010000
Jun 16, 1992F20.53000
Jun 16, 1992F24.04000
Jun 16, 1992F312.08000
Jun 16, 1992F213.04000
Jun 16, 1992F47.016030
Jun 16, 1992F516.0280351
Apr 21, 1985F10.11000
Apr 21, 1985F114.510000
Apr 21, 1985F15.08000
Apr 21, 1985F06.08000
Apr 20, 1985F38.025020
Jul 26, 1968F13.31300
Jun 13, 1968F59.11501509
  1. Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Murray County: 1.
  2. Weak tornadoes were under-recorded before Doppler radar coverage became national in the early 1990s, so earlier decades read low. Ratings use the Fujita scale before February 2007 and the Enhanced Fujita scale after.

Storm Prediction Center severe weather database, 1950 to 2025.

Hurricanes and tropical storms

No tropical storm or hurricane has tracked within 100 miles since records began in 1851.

Wildfire and smoke

No large wildfire has been mapped here since satellite mapping began in 1984.

Smoke overhead

Smokiest year

2023: 69 days

Heavy smoke on 31 days in 2021, the most of any year.

Last 10 years

30.8 days a year

Medium or heavy smoke, 2016 to 2025.

2025

26 days

Medium or heavy smoke. 43 so far in 2026.

Days with medium or heavy smoke overhead, by year 2011: 8 2012: 29 2013: 24 2014: 12 2015: 25 2016: 5 2017: 16 2018: 32 2019: 10 2020: 26 2021: 56 2022: 23 2023: 69 69 2024: 45 2025: 26 201120122013201420152016201720182019202020212022202320242025
Days each year on which a satellite-traced plume of medium or heavy smoke covered the county’s population centre, 2011 to 2025.
  1. A smoke day is a date on which a smoke plume traced by NOAA Hazard Mapping System analysts from satellite imagery covered this place's point (the county's population centre or the city centre). Counts here are of medium or heavy smoke. Since 2018 analysts have often drawn light smoke as one area over most of the continent, so light-smoke counts are not comparable from year to year. The plumes show smoke anywhere in the air above, not air quality at the ground, and smoke hidden by cloud is missed.

NOAA Hazard Mapping System smoke analysis, 2011 to 2026, retrieved October 30, 2026.

Floods and flood insurance

15 federal flood insurance claims since 1997, with $166,000 paid.

Federal flood insurance claims by year 2018: 8 8 2018
Claims per year since 1997. Years with fewer than five claims are not shown.

Most claims in one year

2018: 8 claims

$137,000 paid.

Claims by ZIP code

Flood insurance claims by ZIP code
561726$18,000

Flood events since 1996

  • Flood25
  • Flash Flood15
  • Heavy Rain2

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.

River crests

Most severe crest

July 5, 2018

West Fork Des Moines River near Avoca, 1,430.20 ft

5.20 feet above the 1,425.0 ft flood stage; major flooding by today’s categories.

Most recent moderate or major crest

June 24, 2024

West Fork Des Moines River near Avoca, 1,429.64 ft

Major flooding.

Highest river crests above flood stage
Jul 5, 2018West Fork Des Moines River near Avoca1,430.20+5.20Major
Jun 24, 2024West Fork Des Moines River near Avoca1,429.64+4.64Major
Mar 25, 2019West Fork Des Moines River near Avoca1,428.56+3.56Major
Mar 6, 2020West Fork Des Moines River near Avoca1,426.71+1.71Moderate
Apr 15, 2023West Fork Des Moines River near Avoca1,425.67+0.67Minor
May 16, 2022West Fork Des Moines River near Avoca1,424.57−0.43Action
Jul 2, 2025West Fork Des Moines River near Avoca1,423.80−1.20Action
May 23, 2017West Fork Des Moines River near Avoca1,423.80−1.20Action
Oct 29, 2021West Fork Des Moines River near Avoca1,422.03−2.97Below flood stage

River gauges

River gauges and their highest listed crests
West Fork Des Moines River near Avoca1,425.01,430.20 ftJul 5, 20183
  1. Crests are the highest and the recent crests the National Weather Service lists for each river gauge in the county that has a flood stage, not every flood. Flood categories use each gauge's current flood stages; crests from before levees, dams or channel changes may not be comparable. Crests measured on an old datum are left out of the rankings.

NOAA National Water Prediction Service gauge records, retrieved October 30, 2026.

Drought

In severe drought or worse for 155 of 1,581 months since 1895 (10%); the longest spell lasted 23 months.

155

Months in severe drought or worse since 1895

67

Months in extreme drought

10%

Share of all months, severe or worse

32

Drought reports to the Weather Service since 1996

Lowest reading

July 1911

−7.03, extreme drought

Longest severe spell

23 months

June 1988 to April 1990.

Latest month

September 2026

−0.57, incipient dry spell

Last severe month: September 2023.

Months in severe drought or worse, by year 1895: 0 1896: 0 1897: 0 1898: 0 1899: 0 1900: 0 1901: 0 1902: 0 1903: 0 1904: 0 1905: 0 1906: 0 1907: 0 1908: 0 1909: 0 1910: 6 1911: 9 1912: 0 1913: 3 1914: 0 1915: 0 1916: 0 1917: 0 1918: 0 1919: 0 1920: 0 1921: 0 1922: 7 1923: 7 1924: 5 1925: 0 1926: 4 1927: 0 1928: 0 1929: 0 1930: 0 1931: 4 1932: 0 1933: 0 1934: 11 1935: 3 1936: 4 1937: 3 1938: 0 1939: 0 1940: 0 1941: 0 1942: 0 1943: 0 1944: 0 1945: 0 1946: 0 1947: 0 1948: 0 1949: 0 1950: 2 1951: 0 1952: 0 1953: 0 1954: 0 1955: 6 1956: 10 1957: 1 1958: 0 1959: 5 1960: 0 1961: 0 1962: 0 1963: 0 1964: 0 1965: 0 1966: 0 1967: 0 1968: 1 1969: 0 1970: 0 1971: 0 1972: 0 1973: 0 1974: 0 1975: 0 1976: 7 1977: 5 1978: 0 1979: 0 1980: 0 1981: 7 1982: 0 1983: 0 1984: 0 1985: 0 1986: 0 1987: 0 1988: 7 1989: 12 12 1990: 4 1991: 0 1992: 0 1993: 0 1994: 0 1995: 0 1996: 0 1997: 0 1998: 0 1999: 1 2000: 10 2001: 0 2002: 0 2003: 0 2004: 0 2005: 0 2006: 0 2007: 0 2008: 0 2009: 0 2010: 0 2011: 0 2012: 5 2013: 2 2014: 0 2015: 0 2016: 0 2017: 0 2018: 0 2019: 0 2020: 0 2021: 0 2022: 3 2023: 1 2024: 0 2025: 0 18951905191519251935194519551965197519851995200520152025
Months each year with a Palmer index of −3 or lower, 1895 to 2025. Twelve means the whole year.
  1. The Palmer Drought Severity Index is computed by NOAA each month from the county's average temperature and precipitation, relative to the county's own climate. Zero is normal; -3 or lower is severe drought and -4 or lower extreme drought. It describes the long-term balance of moisture, not water supply or crop losses.

NOAA NCEI nClimDiv county Palmer Drought Severity Index, 1895 to September 2026, issued October 6, 2026.

Earthquakes

1 earthquake of magnitude 2.5 or more within 50 miles since 1982; none reached magnitude 4.

0

Magnitude 2.5+ inside the county since 1973

1

Magnitude 3+ within 50 miles since 1973

0

Magnitude 4+ within 50 miles since 1900

0

Magnitude 5+ within 50 miles since 1900

Largest within 50 miles

July 11, 1982

Magnitude 3.6

5 km W of Egan, South Dakota; 34.5 miles away, 3.1 miles deep.

Most recent, magnitude 3 or more

July 11, 1982

Magnitude 3.6

5 km W of Egan, South Dakota; 34.5 miles away.

  1. Earthquakes of magnitude 2.5 or more in the USGS Comprehensive Catalog since 1900. Within 50 miles means the epicentre lies within 50 miles of the county boundary (or inside the county).
  2. Small earthquakes were under-recorded before the modern seismic networks of the 1970s and are still missed in remote areas, so early decades read low. Magnitudes are as the catalogue reports them and mix scales (moment, local and body-wave).

USGS ANSS Comprehensive Earthquake Catalog, 1900 to present, retrieved October 30, 2026.

Severe weather and other events

640 events in the National Weather Service record, 594 of them since 1996.

80

Hail reports, 1 inch or larger

12

Hail, 2 inches or larger

91

Damaging gusts, 58 mph+

210

Winter weather events since 1996

18

Heat events since 1996

41

Cold events since 1996

Largest hail

July 4, 1968

6.00 inches

Strongest measured or estimated gust

May 12, 2022

90 mph

More event types since 1996

Other Storm Events types since 1996
Lightning300Jul 20, 2019

Costliest events since 1996

  1. Apr 9, 2013Winter Storm, Murray$10.0 million
    National Weather Service narrative

    An extended period of precipitation began with freezing rain quickly producing heavy ice accumulations, ranging up to a half inch. The precipitation then changed to sleet and then snow, with sleet and snow accumulations reaching 9.4 inches at Slayton. Many branches, limbs, whole trees, and power lines were downed by the weight of ice and accompanying wind. Both urban areas and rural electric cooperatives suffered major power line damage. Trees and tree debris blocked many roads, and damaged several vehicles and homes. Major power outages were reported, affecting thousands of people. The winter precipitation made travel impossible in many areas, resulting in schools and businesses…

  2. Nov 14, 1996Ice Storm, Murray$2.5 million
    National Weather Service narrative

    An ice storm consisting of several periods of freezing rain caused widespread damage to power lines and poles, and to trees. Power lines snapped, cable wires were ripped down, and tree debris littered and blocked some roads. Thousands lost power, some for 5 days. Travel was curtailed by icy surfaces and there were numerous accidents, although no serious injuries were reported. The ice storm was described as the worst in 40 years in the Worthington area. Many small farm structures were damaged. A 600 foot radio tower in Worthington was toppled. Schools and business were forced to close. Damage continued after the ice storm ended, including some damage occurring when ice melted…

  3. Jun 21, 2024Flood$2.3 million
    National Weather Service narrative

    Rainfall amounts across Murray County from June 20-22 ranged from 4 to 8 inches. This rainfall resulted in overland flooding and major flooding along the West Fork Des Moines River. ||County-wide, 132 homes were damaged, three of which were declared destroyed. Many homes in the cities of Slayton and Fulda reported wastewater backup in their basements. Numerous roads and culverts were damaged with State Highway 30 closed at one point between Dovray and Westbrook. Preliminary assessments estimate loss to private property to be near 1 million dollars and 1.3 million dollars to public infrastructure. ||The majority of overland flooding subsided by June 23, but river flooding continued…

  4. Apr 11, 2019Blizzard, Murray$648,000
    National Weather Service narrative

    Blizzard conditions led to a shutdown of government offices and schools, and travel was not recommended with many roads closed due to the widespread whiteout conditions. Storm-total snowfall from 4 to 10 inches occurred, with 8.0 inches at Lake Wilson and 7.6 inches 4 miles northwest of Currie. With winds gusting at times from 40 to 50 mph, many areas had snow drifts of several feet, making roads impassable. Ice accumulation from one-quarter to one-third of an inch occurred, and helped to produce scattered power outages as snowfall and wind increased. Highway 59 and 30 were both closed on April 11 and early April 12 due to power lines down on the roadway. Damage costs are rough…

  5. Apr 1, 2019Flood$600,000
    National Weather Service narrative

    Runoff from occasional precipitation in late March and April maintained significant flooding of agricultural and pasture lands near the Des Moines River. The Des Moines River near Avoca (gage site AVOM5) crested twice at moderate flood stage during the month. The first crest was at 2.14 feet above flood stage on April 1. The second crest occurred on April 19 at 2.53 feet above flood stage. Moderate flooding continued at the end of the month.

  6. Jun 15, 2004Flash Flood$500,000
    National Weather Service narrative

    Rainfall of 2 to 6 inches over the northern and eastern parts of Murray County flooded numerous roads, and washed out some township roads. Residents in the Lake Shetek area were especially affected, with high water flooding roads to many homes. At least 50 thousand acres of cropland were flooded, with some crops washed away completely. The amount of crop damage was not known, due to the uncertainties in both crop recovery and in the ability to replant. Other lowlands were flooded, including a golf course in Slayton.

  7. Mar 13, 2019Flood$273,000
    National Weather Service narrative

    Flooding resulted in extensive damage to public infrastructure including numerous county and township roads, culverts, and some bridges. The property damage costs include estimates for public property losses.

  8. Jun 22, 1997Thunderstorm Wind$200,000
    National Weather Service narrative

    Thunderstorm winds caused tree damage and blew over a garage in Slayton, destroyed boat lifts and 2 trailers on the east side of Lake Shetek, and caused tree and power line damage at Fulda.

  9. Aug 17, 2019Tornado$200,000
    National Weather Service narrative

    The tornado formed around 2 miles west-southwest of Hadley, moving northeast through a farmstead shortly after touchdown and damaging trees and partially removing a roof from a metal outbuilding. After crossing Minnesota Highway 30, the tornado struck another farm, causing destruction of a barn, and resulting in damage to the house including blowing in a door and driving a 2x4 through the siding. The tornado reached Hadley three minutes after touchdown. Two garages were destroyed in town, along with damage to numerous trees. One final structure was grazed by the tornado just northeast of Hadley, blowing in the door and damaging the roof of a metal outbuilding. The tornado lifted…

  10. Jun 11, 2008Tornado$100,000
    National Weather Service narrative

    A tornado blew the roof off a house, collapsed a wall in the house, and shifted the house off its foundation. A woman taking shelter in a closet was injured. On the same farmstead, the tornado also destroyed two sheds and caused minor damage to another house and two outbuildings. The tornado carried some debris from the farm over a mile. The tornado also caused extensive tree damage.

  1. Storm Events records before 1996 cover only tornadoes, thunderstorm wind and hail. Damage figures are as reported by the National Weather Service at the time, not adjusted for inflation.

NOAA NCEI Storm Events Database, 1950 to 2026, issued October 26, 2026.

Weather records

From Lake Wilson, 10.4 miles from the county’s population centre, with records from 1973.

All-time high
105°FJun 21, 1988
All-time low
−33°F2 times, most recently Jan 3, 2010
Warmest night
80°FAug 23, 2023
Coldest day
−16°FDec 23, 1983
Wettest day
4.40 in2 times, most recently Sep 23, 2010
Snowiest day
18.0 inMar 2, 2007
Hottest year
1987mean 49.5°F
Coldest year
2019mean 40.3°F
Wettest year
199347.75 in
Driest year
197613.32 in
Snowiest season
85.9 in1983-84
Average monthly high and low temperature and precipitation, last 30 years, Lake Wilson 32°F 23° 6° 0.6 Jan 27° 9° 0.9 Feb 40° 21° 1.6 Mar 55° 33° 3.0 Apr 68° 46° 3.7 May 79° 57° 4.9 Jun 83° 61° 3.0 Jul 80° 58° 2.9 Aug 74° 50° 2.8 Sep 59° 36° 2.0 Oct 43° 24° 1.3 Nov 28° 11° 0.9 Dec Precipitation, inches
Average daily high and low by month, and average monthly precipitation, over the last 30 years.
Nights at or below freezing per year 1976: 174 1977: 150 1978: 161 1979: 176 1980: 137 1981: 148 1982: 160 1983: 163 1984: 165 1985: 165 1986: 156 1987: 156 1988: 175 1989: 169 1990: 168 1991: 168 1992: 182 1993: 187 1994: 164 1997: 185 1998: 148 1999: 167 2000: 158 2001: 157 2003: 164 2004: 160 2005: 162 2006: 164 2007: 157 2008: 173 2009: 162 2010: 153 2011: 169 2012: 151 2013: 188 2014: 170 2015: 152 2016: 155 2017: 180 2018: 191 191 2019: 177 2020: 183 2021: 170 2022: 179 2023: 169 2024: 158 2025: 166 19761986199820092019
Nights at or below freezing each complete year, last 50 years. Thirty-year average: 166.7.
Snowfall by winter 1976: 37.7 in 1977: 34.0 in 1978: 33.3 in 1980: 9.8 in 1981: 60.1 in 1982: 66.7 in 1983: 85.9 in 85.9 1984: 48.3 in 1985: 56.7 in 1986: 13.0 in 1987: 55.5 in 1989: 26.6 in 1990: 43.3 in 1991: 33.8 in 1993: 40.0 in 1994: 20.0 in 1996: 82.0 in 1997: 58.0 in 1998: 40.5 in 1999: 26.5 in 2000: 59.0 in 2001: 52.5 in 2002: 32.3 in 2003: 39.0 in 2004: 27.0 in 2005: 45.0 in 2006: 49.8 in 2007: 44.4 in 2008: 27.1 in 2009: 54.3 in 2012: 45.2 in 2013: 61.6 in 2014: 25.9 in 2015: 59.7 in 2016: 30.8 in 2017: 71.0 in 2018: 68.9 in 2019: 32.8 in 2020: 39.0 in 2021: 23.8 in 2022: 64.6 in 2023: 20.3 in 2024: 14.7 in 2025: 21.3 in 19761987200020122022
Total snowfall each winter (July to June), last 50 winters.

Median first snow

November 9

Earliest: September 25, 1984

Median last snow

April 4

Latest: May 9, 2019

0 of 47 winters had no measurable snow.

Station Lake Wilson (USC00214534), 1,653 ft elevation, 10.4 miles from the population centre. Daily records from 1973 to October 24, 2026; 96.6% of days in the last 30 years are complete. Records at a single station can differ from a city’s official threaded record, which may combine several stations.

NOAA NCEI Global Historical Climatology Network Daily.

Federal disaster declarations

17 since 1953. The most recent: Severe Storms and Flooding, June 28, 2024.

Federal disaster declarations
Jun 28, 2024FloodSevere Storms and FloodingMajor disasterDR-4797-MN
Apr 7, 2020BiologicalCovid-19 PandemicMajor disasterDR-4531-MN
Mar 13, 2020BiologicalCovid-19EmergencyEM-3453-MN
Jun 12, 2019FloodSevere Winter Storm, Straight-Line Winds, and FloodingMajor disasterDR-4442-MN
Sep 5, 2018FloodSevere Storms, Tornadoes, Straight-Line Winds, and FloodingMajor disasterDR-4390-MN
Jul 21, 2014FloodSevere Storms, Straight-Line Winds, Flooding, Landslides, and MudslidesMajor disasterDR-4182-MN
May 3, 2013Severe StormSevere Winter StormMajor disasterDR-4113-MN
Oct 13, 2010Severe StormSevere Storms and FloodingMajor disasterDR-1941-MN
Sep 13, 2005HurricaneHurricane Katrina EvacuationEmergencyEM-3242-MN
Apr 8, 1997FloodSevere Flooding, High Winds,Severe StormsMajor disasterDR-1175-MN
Jan 16, 1997Severe StormSevere Winter StormsMajor disasterDR-1158-MN
Jan 7, 1997Severe StormSevere Ice StormMajor disasterDR-1151-MN
Jun 11, 1993Severe StormSevere Storms, Tornadoes & FloodingMajor disasterDR-993-MN
Jun 26, 1992Severe StormSevere Storms, Tornadoes & FloodingMajor disasterDR-946-MN
Jun 17, 1976DroughtDroughtEmergencyEM-3013-MN
Aug 5, 1969FloodHeavy Rains & FloodingMajor disasterDR-268-MN
Apr 18, 1969FloodFloodingMajor disasterDR-255-MN

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA Disaster Declarations Summaries, retrieved October 30, 2026. Statewide declarations are not listed.

How this compares

Where Murray County stands among 87 counties in Minnesota and 3,143 in the United States.

Ranks
Tornadoes since 19503423 / 87841 / 3,143
Tornadoes rated F3/EF3 or stronger63 / 87156 / 3,143
Tropical cyclones within 50 mi0——
Hurricane-strength passes within 50 mi0——
Wildfire acres since 19840——
Flood insurance claims1562 / 872,187 / 3,143
Flood insurance paid$166,00059 / 872,189 / 3,143
Disaster declarations1741 / 872,018 / 3,143
Flood events since 19964231 / 871,655 / 3,143
Hail and wind events since 199623352 / 871,684 / 3,143
Winter storm events since 19962109 / 87302 / 3,143
Reported damage since 1996$18.6 million40 / 871,543 / 3,143
River crests at major flood stage330 / 871,106 / 3,143
High tide flooding days a year, last 10 years0.0——
Months in severe drought since 189515543 / 87832 / 3,143
Medium or heavy smoke days a year, last 10 years30.858 / 87160 / 3,143
Earthquakes M4+ within 50 mi since 19000——
Earthquakes M2.5+ in the county since 19730——

Neighbouring counties

Neighbouring counties
Cottonwood County260043
Lyon County29064063
Nobles County440083
Pipestone County150017
Redwood County28003
Rock County150029

Sources and vintage

Every number on this page comes from these public records.

  • Tornadoes NOAA Storm Prediction Center severe weather database, through 2025.
  • Tropical cyclones NOAA National Hurricane Center HURDAT2 (Atlantic; Northeast and Central Pacific), through 2025.
  • Wildfire USGS/USFS Monitoring Trends in Burn Severity, through 2026.
  • Storm events NOAA NCEI Storm Events Database, through 2026.
  • Flood insurance OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026.
  • Declarations OpenFEMA Disaster Declarations Summaries v2, retrieved October 30, 2026.
  • Weather records NOAA NCEI Global Historical Climatology Network Daily, station USC00214534.
  • River crests NOAA National Weather Service, National Water Prediction Service river gauges, retrieved October 30, 2026.
  • Drought NOAA NCEI nClimDiv county Palmer Drought Severity Index, through September 2026.
  • Smoke NOAA NESDIS Hazard Mapping System smoke analysis, retrieved October 30, 2026.
  • Earthquakes USGS ANSS Comprehensive Earthquake Catalog (ComCat), retrieved October 30, 2026.

Joins, thresholds and known limits are set out in the methodology. Found an error? Report it. Page built October 30, 2026.