Marengo County

Every recorded tornado

1. Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Marengo County: 2.
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.

Every storm within 100 miles

1. Tropical storms and hurricanes (34 kt or more, still tropical) at closest approach. Post-tropical remnants with gale-force winds are listed but not counted. Direct: track within 50 miles; near: within 100 miles. Distance is measured to the county boundary for counties and to the city centre for cities, using positions interpolated hourly between HURDAT2 fixes.

National Hurricane Center HURDAT2, 1851 to 2025.

Smoke overhead

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.

Claims by ZIP code

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

River gauges

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.

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.

Every earthquake of magnitude 4 or more within 50 miles

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.

More event types since 1996

Costliest events since 1996

1. Apr 27, 2011Tornado$14.0 million
   National Weather Service narrative

   A tornado touched down in Smith County, Mississippi and tracked through Jasper and Clarke Counties (See Storm Data Jackson), causing EF4 rated damage. The tornado then crossed into Choctaw County (See Storm Data Mobile) Alabama, causing EF3 rated damage. The tornado tracked across portions of Sumter, Marengo and western Perry Counties, before it dissipated. The tornado crossed into western Marengo County south of Old Locke 3 Rd and continued to cause significant tree damage as it tracked northeastward. The tornado crossed AL Hwy 28 south of Pin Hook and US Hwy 43 north of Chickasaw State Park. The tornado continued northeast through the Faunsdale area where it significantly…

2. Sep 16, 2004High Wind, Marengo$10.0 million
   National Weather Service narrative

   Thousands of trees and power lines were blown down or snapped off during Ivan. Several hundred homes or structures received varying degrees of wind damage. Numerous roadways were blocked from fallen trees making them temporarily impassable. Power was not fully restored for at least a week in spots. Maximum wind gusts were estimated around 90 miles an hour.

3. Apr 15, 2011Tornado$4.0 million
   National Weather Service narrative

   A tornado touched down in Marengo County just west of County Road 90 in a rural setting. The tornado moved northeastand snapped or uprooted dozens of trees. As the tornado crossed State Highway 69 just south of Myrtlewood, it strengthened to an EF-3 rating, with maximum winds of 150 mph. Several dozen mobile homes were heavily damage or destroyed, resulting in 1 fatality. In the community of Hilltop, several more mobile homes were destroyed, resulting in 4 injuries. The tornado continued to move northeast where it snapped and uprooted many more trees. It lifted after it crossed State Highway 28, northwest of Linden. The tornado had a slight left turn to its path.

4. Apr 15, 2011Tornado$3.5 million
   National Weather Service narrative

   A tornado initially touched down in Choctaw County Alabama and moved northeast. It crossed into Marengo County several miles southwest of Nanafalia. The tornado continued to move northeast where it snapped or uprooted numerous trees. As it moved into Nanafalia, the tornado straightened to an EF-2 with maximum winds of 135 mph. Several homes sustained moderate damage due to falling trees. A couple of homes lost parts of their roofs. The tornado lifted just northeast of County Road 33.

5. Aug 29, 2005Tropical Storm, Marengo$2.4 million
   National Weather Service narrative

   Hundreds of trees and power lines were snapped off or blown down during Katrina. Numerous structures, homes and vehicles were damaged. One man was injured when a tree fell on his car. Power outages were widespread and lasted up to a week.

6. Apr 15, 2011Tornado$1.8 million
   National Weather Service narrative

   A tornado touched down in Marengo County, just west of County Road 39, southwest of the community of Half Chance. The tornado moved northeast where it snapped and uprooted dozens of trees along its path. As the tornado moved into Dayton, it strengthened to an EF-2, with maximum winds of 125 mph. Several homes sustained significant roof damage. The tornado lifted 1 mile northeast of Dayton along State Highway 25.

7. Apr 15, 2011Tornado$1.0 million
   National Weather Service narrative

   A tornado touched down in Marengo County, 7 miles west of Linden. The tornado moved northeast where it snapped and uprooted numerous trees along its path. As the tornado moved into the community of Pin Hook, it strengthened to an EF-2 rating, with maximum winds of 130 mph. Several homes received significant damage. One home had its entire roof removed and damage to several exterior walls. The tornado lifted near State Highway 28.

8. Jul 10, 2005Tropical Storm, Marengo$900,000
   National Weather Service narrative

   Hundreds of trees and power lines were blown down across Marengo County during Dennis. Several homes sustained minor roof damage and many roadways were blocked by downed trees. Several fallen trees landed on homes and produced damage. Many county customers were without power for at least a day.

9. Jan 9, 2000Tornado$500,000
   National Weather Service narrative

   A tornado was reported first touching down just inside the Marengo County line about 3 miles south of Dixons Mills. The storm then crossed U. S. Highway 43 about 2.5 miles south of Dixons Mills . Storm track was northeast...crossing County Road 37 and then across State Highway 10 just west of County Road 55. The storm then moved across County Roads 55 and 45. Almost all the damage along this track was to trees. The tornado appeared to be near tree top level along this path.The storm then moved across County Road 56 near Surginer just to the east of County Road 45. This is where most of the structural damage occurred. Two mobile homes were demolished. One home sustained major roof…

10. Nov 30, 2006Tornado$500,000
    National Weather Service narrative

    The Demopolis tornado touched down approximately 3 miles southwest of the city of Demopolis, just west of Maria Avenue and south of U.S. Highway 80. The tornado then tracked north northeast and crossed U.S. Highway 80. Several large trees were knocked down and the fallen trees produced varying degrees of damage to homes. Additional large trees were knocked down and subsequently destroyed several mobile homes. One apartment complex sustained significant roof damage. A few mobile homes were rolled over. The tornado continued north northeast across the western part of Demopolis snapping trees along the path. One warehouse had an entire wall collapse. Several floats being prepared for…

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.

All-time high

105°F7 times, most recently Jul 15, 1980

All-time low

−2°FJan 22, 1985

Warmest night

87°FAug 25, 2008

Coldest day

16°FDec 23, 1989

Wettest day

6.21 inApr 13, 1974

Snowiest day

3.5 inMar 13, 1993

Hottest year

1954mean 66.9°F

Coldest year

1960mean 60.0°F

Wettest year

196179.95 in

Driest year

195427.95 in

Station Demopolis L&d (USC00012245), 100 ft elevation, 13.0 miles from the population centre. Daily records from 1951 to October 27, 2026; 88.4% 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.

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.

Neighbouring counties

• 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 USC00012245.
• 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.