Thunderstorm Wind, St. Helena
- When
- August 11, 4:22 PM CST
- Where
- St. Helena County, 10 mi N of Greensburg
- Property damage
- $2,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 30.967, -90.667
Trees were blown down on Highway 38.
Damaging Wind in Louisiana, August 11, 2001
1 thunderstorm wind, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $2,000
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New Orleans, LA wrote its last area forecast discussion before the first event at Aug 11, 1:30 PM CST, 2 hours 52 minutes earlier.
Area forecast discussion, Aug 11, 1:30 PM CST, 2 hours 52 minutes before
AREA FORECAST DISCUSSION...UPDATED FOR FFA NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 230 PM CDT SAT AUG 11 2001 ...A FLASH FLOOD WATCH HAS BEEN ISSUED FOR ST. TAMMANY PARISH AND HANCOCK COUNTY... GIVEN THE ACTIVE WX MOVING IN CORRELATED WITH WORKSTATION PROBLEMS...WILL BE VERY SHORT THIS DISCUSSION. EXPECT SCT TO NUMEROUS CONVECTION TO ENGULF MOST OF THE FORECAST AREA LATER THIS AFTERNOON AS THE UPPER LEVEL FEATURE PUSHES TOWARD THE GULF COAST. LITTLE CHANGE THEN EXPECTED THROUGH SUN WITH A VERY WET PATTERN CONTINUING. UPPER LEVEL FLOW SHOULD CHANGE LITTLE PAST SUN WITH A TROF HANGING OVER THE EASTERN STATES COUPLED WITH WEAK RIDGING OVER THE SW SECTIONS. OVERALL...FORECAST PRETTY CONSISTENT. PRELIM NUMBERS... MCB 72/88/73/90 5756 BTR 75/88/75/90 4756 MSY 76/89/76/91 5756 GPT 75/88/75/90 5756 .NEW...NONE LA...FFA LAZ040. MS...FFA MSZ080. 09
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 thunderstorm wind. Local standard time, as filed.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flood in Arizona, August 11, 2001
- Tornado and Lightning Strike in Virginia, August 11, 2001
- Lightning Strike in New Jersey, August 11, 2001
- Flash Flood in District of Columbia, August 11, 2001
- Flash Flood in Pennsylvania, August 11, 2001
- Flash Flooding and Lightning Strikes in Virginia, August 11, 2001
- Flash Flood in Delaware, August 11 to 12, 2001
- Lightning Strike in Tennessee, August 11, 2001
- Flash Flooding and Damaging Wind in Maryland, August 11, 2001
- Lightning Strike in West Virginia, August 11, 2001
- Hail and Damaging Winds in Virginia, August 11, 2001
- Lightning Strike in Delaware, August 11, 2001
More
Every storm in Louisiana in 2001Every state in 2001This day in weather historyWarnings in Louisiana, August 2001
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5264100.