Thunderstorm Wind, Osage
- When
- August 12, 11:45 PM CST
- Where
- Osage County, Grainola
- Measured
- 52 kt (60 mph)
- Reported by
- GENERAL PUBLIC
- Coordinates
- 36.950, -96.650
Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs.
Damaging Wind in Oklahoma, August 12, 2002
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 Tulsa, OK wrote its last area forecast discussion before the first event at Aug 12, 8:25 PM CST, 3 hours 20 minutes earlier.
Area forecast discussion, Aug 12, 8:25 PM CST, 3 hours 20 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 925 PM CDT MON AUG 12 2002 UPDATED FORECAST WILL BE OUT SHORTLY. COLD FRONT IS LOCATED FROM NORTH CENTRAL KANSAS SOUTHWEST INTO THE SOUTHEAST CORNER OF COLORADO AND WILL NOT ENTER NORTHEAST OKLAHOMA UNTIL TOMORROW. DO NOT EXPECT ANY ACTIVITY IN OUR AREA THIS EVENING...BUT COULD SEE SOME STORMS LATE TONIGHT. AS PER GOING FORECAST THE BEST CHANCE WILL BE TO THE NORTHWEST OF TULSA. THE 18Z ETA WAS SLOWER WITH THE RAIN TOMORROW AND HAS THE QPF ORIENTED MORE NORTH TO SOUTH THAN EAST TO WEST. IN ADDITION TO ADJUSTING POPS SOME TONIGHT ALSO ADJUSTED THE POPS AND WEATHER FOR TOMORROW TO REFLECT THIS NEW THINKING. ALSO ADJUSTED FOR A LITTLE LESS CLOUD COVER TONIGHT AND CLOUD COVER EVERYWHERE TOMORROW. GOING TEMPS LOOK REASONABLE AND DID NOT TOUCH THEM EXCEPT TO BRING THE EVENING GRIDS INTO LINE WITH CURRENT READINGS. DUE TO THE NEW THINKING AN UPDATED HAZARDOUS WEATHER OUTLOOK WILL BE OUT SHORTLY AS WELL. .TSA... AR...NONE. OK...NONE. ABBAS
In the hours before
Special weather statement, Aug 12, 8:45 PM CST, 3 hours before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-131200- EASTERN OKLAHOMA / NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 945 PM CDT MON AUG 12 2002 ...THUNDERSTORMS LIKELY ACROSS FAR NORTHEAST OKLAHOMA LATE TONIGHT... ...SEVERE THUNDERSTORMS LIKELY ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS ON TUESDAY... SCATTERED SHOWERS AND THUNDERSTORMS WILL LIKELY DEVELOP ACROSS NORTHEAST OKLAHOMA LATE TONIGHT IN RESPONSE TO A STRENGTHENING LOW LEVEL JET. A FEW OF THESE STORMS COULD BE STRONG WITH...BRIEF HEAVY RAIN...GUSTY WINDS AND SMALL HAIL...MAINLY NORTH OF THE INTERSTATE 44 CORRIDOR. DAY TWO... SHOWERS AND THUNDERSTORMS ARE LIKELY ACROSS ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS ON TUESDAY AS AN UNSEASONABLY STRONG COLD FRONT PUSHES INTO THE AREA. THE THUNDERSTORMS ARE EXPECTED TO DEVELOP INTO A SQUALL LINE LATE TONIGHT...MOVING INTO NORTHEAST OKLAHOMA TUESDAY MORNING AND INTO NORTHWEST ARKANSAS DURING THE AFTERNOON HOURS. A FEW OF THESE STORMS WILL LIKELY BE BE SEVERE WITH DAMAGING WINDS AND LARGE HAIL. IN ADDITION HEAVY RAIN WILL ALSO BE LIKELY WITH THESE STORMS...ESPECIALLY ACROSS FAR NORTHEAST OKLAHOMA...WHERE WIDESPREAD ONE TO TWO INCH RAINFALL AMOUNTS ARE EXPECTED. .SPOTTER ACTIVATION... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT...HOWEVER EMERGENCY MANAGEMENT PERSONNEL SHOULD CONTINUE TO MONITOR THE LATEST FORECASTS. IF THE SQUALL LINE PROPAGATES EAST FASTER THAN CURRENTLY ANTICIPATED...SEVERE STORMS COULD MOVE INTO NORTHEAST OKLAHOMA LATE TONIGHT...PRIMARILY NORTH OF THE INTERSTATE 44 CORRIDOR. .DISCUSSION... STRONG TO SEVERE CONVECTION HAS DEVELOP ACROSS SOUTHWEST KANSAS THIS EVENING. STILL UNCERTAINTIES CONCERNING THE SPEED/EVOLUTION OF THE MCS THAT IS EXPECTED TO DEVELOP OVER NORTHWEST OKLAHOMA LATER TONIGHT. CURRENT RADAR TRENDS/PROFILER DATA SUGGEST ONGOING CONVECTION MAY INITIALLY TRACK SOUTHWARD IN BETTER LOW LEVEL JET AXIS. MCS SHOULD BEGIN TO MAKE A MORE EASTWARD PUSH LATE TONIGHT...MOVING INTO NORTHEAST OKLAHOMA AFTER DAYBREAK. STILL COULD SEE SCATTERED ELEVATED STORMS AHEAD OF THE LINE AFTER MIDNIGHT... PRIMARILY ACROSS NORTHEAST OKLAHOMA. RELATED GRAPHICAL INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
Special weather statement, Aug 12, 10:40 PM CST, 1 hour 5 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-131200- EASTERN OKLAHOMA / NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 1140 PM CDT MON AUG 12 2002 ...UPDATED FOR SHORT TERM CONVECTIVE TRENDS... LINE OF STRONG TO SEVERE THUNDERSTORMS CONTINUE TO DEVELOP ACROSS SOUTH-CENTRAL KANSAS AND NORTH-CENTRAL OKLAHOMA...MOVING SOUTHEAST AT 35 MPH. THIS LINE WILL CONTINUE PUSHING SOUTHEAST INTO NORTHEAST OKLAHOMA BETWEEN MIDNIGHT AND 100 AM. DAMAGING DOWNBURST WINDS TO 70 MPH WILL BE POSSIBLE IN THE STRONGER BOW SEGMENTS. RESIDENTS ACROSS NORTHEAST OKLAHOMA SHOULD CONTINUE TO MONITOR WEATHER CONDITIONS AS WARNINGS WILL LIKELY BE ISSUED. .SPOTTER ACTIVATION... SPOTTER ACTIVATION WILL BE REQUIRED ACROSS PORTIONS OF NORTHEAST OKLAHOMA. RELATED GRAPHICAL INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
The radar
The Wichita radar (KICT), 105 km away, was scanning. The volume nearest the first event began at 05:43 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
- Heat in Maryland, August 12 to 19, 2002
- Flash Flooding and Hail in Kansas, August 12 to 13, 2002
- Hail and Damaging Winds in Oklahoma, August 12 to 13, 2002
- Flash Flooding and Lightning Strikes in Wisconsin, August 12, 2002
- Tornadoes and Flash Flood in Kansas, August 12, 2002
- Tornado in Missouri, August 12, 2002
- Hail and Damaging Winds in Ohio, August 12, 2002
- Flash Flooding and Damaging Winds in Pennsylvania, August 12, 2002
- Flooding and Hail in Iowa, August 12, 2002
- Damaging Winds in Iowa, August 12, 2002
- Hail and Damaging Wind in Pennsylvania, August 12, 2002
- Heat in Virginia, August 12 to 19, 2002
More
Every storm in Oklahoma in 2002Every state in 2002This day in weather historyWarnings in Oklahoma, August 2002
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: 5312899.