1947

7 tropical cyclones near the U.S., 7 notable earthquakes.

01

Tropical cyclones

Storms whose tracks came within 100 miles of a U.S. county.

Tropical cyclones near the U.S. in 1947

Storm	Peak	Counties ≤50 mi	States
Unnamed	Tropical storm	4	TX
Unnamed	Category 1	27	LA, TX
Unnamed	Category 4	91	FL, LA, MS, TX
Unnamed	Tropical storm	6	AL, FL, LA, MS
Unnamed	Tropical storm	12	FL
Unnamed	Tropical storm	28	FL, GA
Unnamed	Category 2	64	FL, GA, SC

02

Earthquakes

Magnitude 5 or more in the lower 48 and Hawaii, 6.5 or more in Alaska, strongest first.

Notable earthquakes of 1947

Date	Magnitude	Where	Depth, mi
Oct 15, 1947	7.1	Central Alaska Denali AK	16.2
Apr 10, 1947	6.5	Manix, California San Bernardino CA	3.7
Nov 23, 1947	6.1	near Big Sky, Montana Madison MT	9.3
Jul 24, 1947	5.3	near Desert Hot Springs, CA Riverside CA	3.7
May 27, 1947	5.2	near Ferndale, California Humboldt CA	—
Jul 24, 1947	5.2	near Yucca Valley, CA Riverside CA	3.7
Apr 10, 1947	5.0	near Fort Irwin, CA San Bernardino CA	3.7

03

Drought

On average 2% of lower-48 counties were in severe drought in 1947. The worst month was October 1947, with 3%.

Every year since 1895 on the drought page

Storm Prediction Center, National Hurricane Center HURDAT2, Monitoring Trends in Burn Severity, NOAA Storm Events Database, USGS Comprehensive Earthquake Catalog, NOAA nClimDiv Palmer Drought Severity Index. Damage is as reported at the time, not adjusted for inflation.