Thunderstorm Wind, Lewis
- When
- August 2, 5:00 PM CST
- Where
- Lewis County, 7 mi W of La Grange
- Measured
- 55 kt (63 mph)
- Reported by
- GENERAL PUBLIC
- Coordinates
- 40.050, -91.633
Thunderstorm wind gusts downed some trees and damaged a few farm outbuildings.
Damaging Wind in Missouri, August 2, 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
- None recorded
- 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 St. Louis, MO wrote its last area forecast discussion before the first event at Aug 2, 2:24 PM CST, 2 hours 36 minutes earlier.
Area forecast discussion, Aug 2, 2:24 PM CST, 2 hours 36 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 230 PM CDT THU AUG 2 2001 NO HEADLINES ARE PLANNED FOR THE AFTERNOON FCST PACKAGE...ALTHOUGH NEIGHBORING OFFICES ARE CARRYING HEAT WARNINGS AND FLASH FLOOD WATCHES. FOR US SO FAR TODAY THE HEAT INDICES HAVE REACHED CRITERIA ONLY IN THE UIN AREA. TOMORROW SHOULD BE SIMILAR WITH HEAT INDICES FROM 100 TO 105. AS FOR FLOODING...FLASH FLOOD GUIDANCE NUMBERS ARE BETWEEN 1 AND 2 INCHES PER HOUR IN THE ILX AND PAH AREAS WHERE WATCHES WILL BE ISSUED. GUIDANCE FOR THE LSX COUNTIES THAT BORDER THESE AREAS IS NEAR 3 INCHES PER HOUR. 19Z SFC ANALYSIS SHOWED A CDFNT FROM LWR MI THRU IL ACROSS SRN IOWA BECOMING STNRY ACROSS NW MO INTO NRN KS. VIS SAT PICS SHOW INCREASED CU ALONG THIS LINE...BUT MOST OF THE TSTM ACTIVITY IS LOCATED IN OTHER AREAS. AFTERNOON FCST FOR CENTRAL ILLINOIS NEAR OUR EASTERNMOST COUNTIES WAS UPDATED TO MENTION TSTMS LIKELY...THOUGH CURRENT RADAR LOOPS SHOW DECREASING ACTIVITY. SECOND...MORE VIGOROUS AREA OF TSTM ACTIVITY HAS BEEN MOVING FROM ERN NEBRASKA ACROSS IOWA TODAY AND HAS STARTED TURNING SOUTHEAST. OVERALL THE AVN SEEMS TO BE HANDLING THIS SITUATION THE BEST AND THE CURRENT FCST FOLLOWS THE AVN TREND FAIRLY WELL. NO BIG CHANGES ARE PLANNED FOR THE AFTERNOON PACKAGE...ALTHOUGH POPS TONIGHT WILL PROBABLY BE INCREASED DUE TO PROXIMITY OF CURRENT ACTIVITY. THANKS EAX AND PAH AND ILX FOR COORD. .STL...NONE. LENNING
In the hours before
Special weather statement, Aug 2, 11:25 AM CST, 5 hours 35 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-030100- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1225 PM CDT THU AUG 2 2001 THE SEVERE WEATHER THREAT: SEVERE WEATHER IS NOT EXPECTED ACROSS THE REGION. FOR THE PERIOD: TODAY AND TONIGHT. THE WEATHER OUTLOOK: SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER NORTHEAST MISSOURI AND XWEST CENTRAL ILLINOIS LATER THIS AFTERNOON AND WILL MOVE SOUTH OVERNIGHT. THESE STORMS ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS. LENNING
Special weather statement, Aug 2, 4:00 PM CST, 1 hour before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-030500-
SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
500 PM CDT THU AUG 2 2001
THE SEVERE WEATHER THREAT: THERE IS A SLIGHT RISK FOR SEVERE
THUNDERSTORMS ACROSS PARTS OF NORTHEAST MISSOURI...AND WEST CENTRAL
ILLINOIS. THE SLIGHT RISK AREA IS GENERALLY ALONG AND NORTH OF A
LINE FROM NOVELTY MISSOURI...TO ST LOUIS MISSOURI...TO FREEBURG
ILLINOIS.
FOR THE PERIOD: TONIGHT.
THE WEATHER OUTLOOK: A LINE OF SHOWERS AND THUNDERSTORMS MOVING
THROUGH PORTIONS OF WEST CENTRAL ILLINOIS IS FORECAST TO MOVE
SOUTHWARD...GENERALLY ALONG THE MISSISSIPPI RIVER TONIGHT. WIND
SHEAR PROFILES AND HIGH INSTABILITY IN THE ATMOSPHERE WILL FAVOR
ORGANIZED SEVERE THUNDERSTORMS WITH THIS LINE. THE PRIMARY SEVERE
WEATHER THREAT WILL BE DAMAGING WINDS. WARM TEMPERATURES THROUGH A
DEEP{ LAYER OF THE ATMOSPHERE WILL LIMIT THE HAIL THREAT TONIGHT.
CARNEYThe radar
The St Louis radar (KLSX), 171 km away, was scanning. The volume nearest the first event began at 23:00 UTC.
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 Illinois, August 2, 2001
- Heat in Texas, August 2, 2001
- Hail and Damaging Winds in Iowa, August 2, 2001
- Flash Flood in Florida, August 2, 2001
- Tornado in Florida, August 2, 2001
- Hail and Damaging Winds in South Dakota, August 2, 2001
- Flash Flooding in Iowa, August 2, 2001
- Hail and Damaging Winds in Iowa, August 2, 2001
- Hail and Damaging Winds in Iowa, August 2, 2001
- Hail and Damaging Winds in Illinois, August 2, 2001
- Lightning Strike in Indiana, August 2, 2001
- Hail and Damaging Winds in Nebraska, August 2, 2001
More
Every storm in Missouri in 2001Every state in 2001This day in weather historyWarnings in Missouri, 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: 5262731.