5 flash flood, 1 lightning, as filed by the National Weather Service.
Every event with a place to put it; 6 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
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 Norman, OK wrote its last area forecast discussion before the first event at Apr 7, 10:00 AM CST, 3 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 1100 AM CDT SUN APR 7 2002 MAIN THING AT THIS TIME WILL BE TO UPDATE FOR TEMPS AS CLOUD COVER AND PRECIP WILL COMBINE TO KEEP TEMPS DOWN ACROSS CENTRAL AND EAST THIS AFTN. STILL SOME CHANCE FOR PORTIONS OF WEST AND SOUTHWEST TO BREAK OUT THIS AFTN AND IF THEY DO WILL HEAT UP QUICKLY SO WILL KEEP TEMPS WARMER THERE. INITIAL BATCH OF SHWRS/TSTMS MOVING TO THE EAST WITH ADDITIONAL DEVELOP ALREADY COMMENCED ACROSS SOUTH AND SOUTHWEST SO WILL KEEP SCATTERED/PERIOD OF WORDING GOING. WITH LITTLE CAPPING LEFT IN PLACE AND BETTER LAPSE RATES DEVELOPING THIS MORNING ARE ALREADY SEEING DEVELOPMENT ON THE DRY LINE TO THE WEST OF LUBBOCK AND THIS WILL PROBABLY CONT TO DEVELOP THROUGHOUT THE REST OF THE DAY. STILL LOOKS LIKE MID TO LATE AFTN BEFORE TO MUCH ROUGH STUFF GETS GOING ACROSS OUR AREA. PARTS OF SOUTHEAST HAVE RECEIVED 2 T0 3 INCHES OF RAIN OVER LAST 6 TO 12 HOURS AND COULD SEE ANOTHER 1 TO 2 INCHES LATER TODAY AND OVERNIGHT. WILL KEEP FLASH FLOOD WATCH GOING THROUGH TONIGHT FOR THERE. UPDATES OUT SHORLTY. 30 .OUN... OK...FLASH FLOOD WATCH FOR TODAY AND TONIGHT FOR ZONES OKZ043...OKZ047>048...OKZ050>052. TX...NONE.
OKZ004>048-050>052-TXZ083>090-071700- HAZARDOUS WEATHER OUTLOOK...CORRECTED... NATIONAL WEATHER SERVICE NORMAN OK 700 AM CST SUN APR 7 2002 .THUNDERSTORM OUTLOOK... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON INTO MONDAY MORNING ACROSS WESTERN NORTH TEXAS AND PORTIONS OF WESTERN AND SOUTHERN OKLAHOMA. .LOCATION... THE SLIGHT RISK IS GENERALLY SOUTH OF A LINE FROM CHEYENNE TO LAWTON TO ATOKA. THIS INCLUDES ALL OF WESTERN NORTH TEXAS. .TIMING... ALTHOUGH THUNDERSTORMS ARE ALREADY OCCURRING... THE THREAT OF SEVERE THUNDERSTORMS IS EXPECTED FROM AROUND 2 PM THROUGH THE OVERNIGHT HOURS. .IMPACTS... SOME DAMAGE TO AUTOMOBILES FROM LARGE HAIL...MINOR WIND DAMAGE TO TREES. .RECOMMENDED ACTIONS... STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE RISK AREA SHOULD PLAN FOR SEVERE WEATHER OPERATIONS FROM THIS AFTERNOON THROUGH EARLY MONDAY MORNING. PEOPLE SHOULD KEEP UP TO DATE WITH WEATHER CONDITIONS TODAY AND LISTEN FOR LATER FORECASTS...WATCHES AND WARNINGS. .DISCUSSION... SHOWERS AND THUNDERSTORMS HAVE BEEN WIDESPREAD ACROSS OKLAHOMA AND NORTH TEXAS THIS MORNING. THESE THUNDERSTORMS AND THE ASSOCIATED CLOUDINESS WILL PERSIST THROUGH THE MORNING ACROSS MUCH OF THE AREA KEEPING THE AIRMASS COOL AND RELATIVELY STABLE. SKIES MAY PARTIALLY CLEAR THIS AFTERNOON IN THE SOUTHWEST AND LOW LEVEL MOISTURE WILL MOVE INTO THE AREA FROM THE SOUTH ALLOWING THE ATMOSPHERE TO BECOME MODERATELY UNSTABLE. MEANWHILE AN UPPER LEVEL LOW PRESSURE AREA CURRENTLY OVER WESTERN NEW MEXICO WILL APPROACH THE AREA TODAY AND A DRYLINE CURRENTLY OVER EASTERN NEW MEXICO WILL MOVE INTO WEST TEXAS THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED TO REDEVELOP THIS AFTERNOON ALONG THE DRYLINE AND SPREAD INTO WESTERN NORTH TEXAS AND SOUTHWESTERN OKLAHOMA THIS AFTERNOON. THE RISK OF SEVERE THUNDERSTORMS WILL DEPEND ON THE AMOUNT OF CLEARING THAT OCCURS THIS AFTERNOON AND THE LOCATION OF ANY OUTFLOW BOUNDARIES THAT ARE PRODUCED BY THE THUNDERSTORMS THIS MORNING. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO SPREAD EAST ACROSS THE REMAINDER OF THE RISK AREA THIS EVENING AND OVERNIGHT. .THREAT TABLE... VALID THROUGH 600 AM CST MON APR 8 2002 PROBABILITY OF THUNDERSTORMS...100 PERCENT. PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...40 PERCENT. .OTHER HAZARDOUS WEATHER... HEAVY RAINFALL IS EXPECTED TO FALL SUNDAY INTO MONDAY MORNING IN SOUTHEAST OKLAHOMA WHERE A FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT. PLEASE REFER TO THE LATEST VERSION OF THIS PRODUCT /WGUS64 KOUN OR OKCFFAOKC/ FOR MORE INFORMATION REGARDING THE FLASH FLOOD THREAT. THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT NOON TODAY. 26 CORRECTED TO ADD UGC LINE
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORMAN OK 700 AM CST SUN APR 7 2002 .THUNDERSTORM OUTLOOK... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON INTO MONDAY MORNING ACROSS WESTERN NORTH TEXAS AND PORTIONS OF WESTERN AND SOUTHERN OKLAHOMA. .LOCATION... THE SLIGHT RISK IS GENERALLY SOUTH OF A LINE FROM CHEYENNE TO LAWTON TO ATOKA. THIS INCLUDES ALL OF WESTERN NORTH TEXAS. .TIMING... ALTHOUGH THUNDERSTORMS ARE ALREADY OCCURRING... THE THREAT OF SEVERE THUNDERSTORMS IS EXPECTED FROM AROUND 2 PM THROUGH THE OVERNIGHT HOURS. .IMPACTS... SOME DAMAGE TO AUTOMOBILES FROM LARGE HAIL...MINOR WIND DAMAGE TO TREES. .RECOMMENDED ACTIONS... STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE RISK AREA SHOULD PLAN FOR SEVERE WEATHER OPERATIONS FROM THIS AFTERNOON THROUGH EARLY MONDAY MORNING. PEOPLE SHOULD KEEP UP TO DATE WITH WEATHER CONDITIONS TODAY AND LISTEN FOR LATER FORECASTS...WATCHES AND WARNINGS. .DISCUSSION... SHOWERS AND THUNDERSTORMS HAVE BEEN WIDESPREAD ACROSS OKLAHOMA AND NORTH TEXAS THIS MORNING. THESE THUNDERSTORMS AND THE ASSOCIATED CLOUDINESS WILL PERSIST THROUGH THE MORNING ACROSS MUCH OF THE AREA KEEPING THE AIRMASS COOL AND RELATIVELY STABLE. SKIES MAY PARTIALLY CLEAR THIS AFTERNOON IN THE SOUTHWEST AND LOW LEVEL MOISTURE WILL MOVE INTO THE AREA FROM THE SOUTH ALLOWING THE ATMOSPHERE TO BECOME MODERATELY UNSTABLE. MEANWHILE AN UPPER LEVEL LOW PRESSURE AREA CURRENTLY OVER WESTERN NEW MEXICO WILL APPROACH THE AREA TODAY AND A DRYLINE CURRENTLY OVER EASTERN NEW MEXICO WILL MOVE INTO WEST TEXAS THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED TO REDEVELOP THIS AFTERNOON ALONG THE DRYLINE AND SPREAD INTO WESTERN NORTH TEXAS AND SOUTHWESTERN OKLAHOMA THIS AFTERNOON. THE RISK OF SEVERE THUNDERSTORMS WILL DEPEND ON THE AMOUNT OF CLEARING THAT OCCURS THIS AFTERNOON AND THE LOCATION OF ANY OUTFLOW BOUNDARIES THAT ARE PRODUCED BY THE THUNDERSTORMS THIS MORNING. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO SPREAD EAST ACROSS THE REMAINDER OF THE RISK AREA THIS EVENING AND OVERNIGHT. .THREAT TABLE... VALID THROUGH 600 AM CST MON APR 8 2002 PROBABILITY OF THUNDERSTORMS...100 PERCENT. PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...40 PERCENT. .OTHER HAZARDOUS WEATHER... HEAVY RAINFALL IS EXPECTED TO FALL SUNDAY INTO MONDAY MORNING IN SOUTHEAST OKLAHOMA WHERE A FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT. PLEASE REFER TO THE LATEST VERSION OF THIS PRODUCT /WGUS64 KOUN OR OKCFFAOKC/ FOR MORE INFORMATION REGARDING THE FLASH FLOOD THREAT. THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT NOON TODAY. 26
OKZ004>048-050>052-TXZ083>090-080300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORMAN OK 1204 PM CDT SUN APR 7 2002 .THUNDERSTORM OUTLOOK... THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT FOR EXTREME SOUTHWEST PORTIONS OF WESTERN NORTH TEXAS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON INTO MONDAY MORNING ACROSS THE REMAINDER OF WESTERN NORTH TEXAS AND PORTIONS OF WESTERN AND SOUTHERN OKLAHOMA. .LOCATION... THE MODERATE RISK IS SOUTHWEST OF A LINE FROM CROWELL TO ARCHER CITY. THE SLIGHT RISK IS GENERALLY WEST AND SOUTH OF A LINE FROM ALVA...TO CHICKASHA...TO MADILL. .TIMING... ALTHOUGH THUNDERSTORMS ARE ALREADY OCCURRING...THE THREAT OF SEVERE THUNDERSTORMS IN THE MODERATE RISK AREA IS EXPECTED FROM AROUND 3 PM THROUGH MID EVENING. IN THE SLIGHT RISK AREA THE THREAT OF SEVERE THUNDERSTORMS WILL EXIST THROUGHOUT THE REST OF THIS AFTERNOON AND TONIGHT. .IMPACTS... SOME DAMAGE TO AUTOMOBILES FROM LARGE HAIL...MINOR WIND DAMAGE TO TREES. .RECOMMENDED ACTIONS... STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE RISK AREA SHOULD PLAN FOR SEVERE WEATHER OPERATIONS FROM THIS AFTERNOON THROUGH EARLY MONDAY MORNING. PEOPLE SHOULD KEEP UP TO DATE WITH WEATHER CONDITIONS TODAY AND LISTEN FOR LATER FORECASTS...WATCHES AND WARNINGS. .DISCUSSION... SHOWERS AND THUNDERSTORMS HAVE BEEN WIDESPREAD ACROSS OKLAHOMA AND NORTH TEXAS THROUGH MUCH OF THE MORNING HOURS AND WILL PERSIST ACROSS PARTS OF THE AREA THROUGHOUT THIS AFTERNOON. THESE THUNDERSTORMS AND THE ASSOCIATED CLOUDINESS WILL CONTINUE TO KEEP THE AIRMASS COOL AND RELATIVELY STABLE. HOWEVER...SKIES MAY PARTIALLY CLEAR LATER THIS AFTERNOON ACROSS PORTIONS OF WESTERN AND SOUTHWESTERN OKLAHOMA AND WESTERN SECTIONS OF NORTH TEXAS. IF THIS CLEARING OCCURS... ADDITIONAL SURFACE HEATING COMBINED WITH INCREASING AMOUNTS OF LOW LEVEL MOISTURE WILL ALLOW THE ATMOSPHERE TO BECOME INCREASINGLY UNSTABLE...ESPECIALLY ACROSS THE MODERATE RISK AREA. MEANWHILE...AN UPPER LEVEL LOW PRESSURE AREA CURRENTLY OVER CENTRAL NEW MEXICO WILL CONTINUE TO MOVE SLOWLY EAST INTO WEST TEXAS LATER TODAY AND A DRYLINE CURRENTLY NEAR THE NEW MEXICO TEXAS BORDER WILL MOVE ACROSS PORTIONS OF WEST TEXAS AND THE TEXAS PANHANDLE THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON ALONG AND AHEAD OF THE DRYLINE AND SPREAD INTO WESTERN SECTIONS OF NORTH TEXAS AND WESTERN AND SOUTHWESTERN OKLAHOMA LATER THIS AFTERNOON AND EVENING. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO SPREAD EAST ACROSS THE REMAINDER OF WESTERN AND CENTRAL OKLAHOMA OVERNIGHT. HOWEVER... WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY FROM THIS AFTERNOON WILL KEEP THE AMOUNT OF INSTABILITY LIMITED AND WILL INHIBIT SEVERE THUNDERSTORM POTENTIAL TO THE EAST OF THE RISK AREA. .THREAT TABLE... VALID THROUGH 600 AM CST MON APR 8 2002 PROBABILITY OF THUNDERSTORMS...100 PERCENT. PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...40 PERCENT. .OTHER HAZARDOUS WEATHER... HEAVY RAINFALL IS EXPECTED TO FALL SUNDAY AFTERNOON INTO MONDAY MORNING IN SOUTHEAST OKLAHOMA WHERE A FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT. PLEASE REFER TO THE LATEST VERSION OF THIS PRODUCT /WGUS64 KOUN OR OKCFFAOKC/ FOR MORE INFORMATION REGARDING THE FLASH FLOOD THREAT. 30
The Norman radar (KTLX), 27 km away, was scanning. The volume nearest the first event began at 18:57 UTC.
5 flash flood, 1 lightning. Local standard time, as filed.
Lightning struck the back yard of a house in northwest Oklahoma City, igniting a fire in the gas line that connected to the kitchen.
Two roads were washed out near Pennington Creek.
Highway 131 was washed out at the Boggy Bridge, and Oklahoma 143 was impassable due to high water.
Two bridges were closed due to high water.
Roebuck Road was closed due to high water.
Highway 77 was closed at the spillway.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oklahoma in 2002Every state in 2002This day in weather historyWarnings in Oklahoma, April 2002
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: 5288394, 5288389, 5288390, 5288393, 5288391, 5288392.