5 hail, 2 thunderstorm wind, 1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 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 Tulsa, OK wrote its last area forecast discussion before the first event at May 19, 7:15 PM CST, 1 hour 7 minutes earlier.
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 815 PM CDT MON MAY 19 2003 SCATTERED STRONG THUNDERSTORMS HAVE DEVELOP ALONG THE COLD FRONT THIS EVENING...CURRENTLY LOCATED NEAR A HOMINY...ARDMORE LINE. AN ISOLATED SEVERE THUNDERSTORM WILL CONTINUE MOVE NORTHEAST... AFFECTING PORTIONS OF CREEK COUNTY THROUGH 845 PM. INSTABILITY AXIS REMAINS ALONG/AHEAD OF FRONT WITH LIFTED INDICES AROUND -10 DEG C OVER OKMULGEE COUNTY...SOUTH TO THE RED RIVER. SEVERE WEATHER THREAT WILL CONTINUE ACROSS PORTIONS OF EASTERN OKLAHOMA THROUGH THE EVENING HOURS...MAINLY SOUTH OF A PAWNEE...TULSA...POTEAU LINE WITH THE THREAT FOR LARGE HAIL. SEVERE WEATHER THREAT SHOULD BEGIN TO SLOWLY DECREASE OVER THE NEXT SEVERAL HOURS FROM NORTH TO SOUTH...AS ATMOSPHERE BEGINS TO STABILIZE WITH LOSS OF DAYTIME HEATING. GIVEN THE SLOW STORM MOTIONS HOWEVER...ISOLATED FLASH FLOODING WILL REMAIN POSSIBLE. SENT UPDATED ZONES TO TAPPER POPS FROM WEST TO EAST THIS EVENING. ALSO CLEARED PORTIONS OF NORTHEAST OKLAHOMA AFTER MIDNIGHT...NORTH OF INTERSTATE 44...AS LINE WILL LIKELY HAVE SHIFTED SOUTHEAST OF AFOREMENTIONED AREA BY THAT TIME. NO OTHER CHANGES ATTM. FORECAST ID = 12 .TSA... AR...NONE. OK...NONE.
ARZ001-002-010-011-019-020-029-OKZ049-053>076-201100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK...CORRECTED WORDING 727 PM CDT MON MAY 19 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TONIGHT SEVERE WEATHER OUTLOOK ...CHANCE FOR SEVERE THUNDERSTORMS TONIGHT... SHOWERS AND THUNDERSTORMS HAVE DEVELOPED ALONG A COLD FRONT DRAPED ACROSS CENTRAL OKLAHOMA. THESE STORMS WILL MOVE EASTWARD IN CONJUNCTION WITH THE FRONT DURING THE EVENING AND OVERNIGHT TONIGHT. CONDITIONS SUPPORTING SEVERE STORMS ARE MAINLY CONFINED TO THE EVENING HOURS IN THE SOUTHWEST PORTION OF THE REGION...AND DECREASE TOWARD THE NORTH AND EAST. ALTHOUGH AN ISOLATED TORNADO IS POSSIBLE...THE ELEVATED NATURE OF THE STORMS WILL MINIMIZE THE TORNADO THREAT. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING THUNDERSTORM WINDS. WARNING PROBABILITIES FOR SEVERE THUNDERSTORMS AND TORNADOES CAN BE FOUND IN THE OUTLOOKS SECTION AT: WWW.SRH.NOAA.GOV/TULSA. GIVEN PROBABILITIES REPRESENT THE POTENTIAL FOR A WARNING TO BE ISSUED AT YOUR LOCATION. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SURFACE HIGH PRESSURE WILL MOVE INTO THE AREA BY TUESDAY AND WILL SLOW TO EXIT. COOL OVERNIGHT TEMPERATURES AND SEASONABLY WARM DAYS ARE EXPECTED FOR THIS PERIOD. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
OKZ065-071-073-200300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 405 PM CDT MON MAY 19 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH #204 UNTIL 1000 PM CDT MONDAY EVENING FOR THE FOLLOWING AREAS: IN OKLAHOMA THIS WATCH INCLUDES 3 COUNTIES... IN EAST CENTRAL OKLAHOMA: OKFUSKEE IN SOUTHEAST OKLAHOMA: MCINTOSH PITTSBURG THIS INCLUDES THE CITIES OF EUFAULA...MCALESTER AND OKEMAH.
The Tulsa radar (KINX), 43 km away, was scanning. The volume nearest the first event began at 02:22 UTC.
5 hail, 2 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Thunderstorm winds estimated at 70 miles an hour blew down a barn.
Thunderstorm winds estimated at 60 miles an hour blew large tree limbs down in Chelsea.
Heavy thunderstorm rains caused severe street flooding in Owasso.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oklahoma in 2003Every state in 2003This day in weather historyWarnings in Oklahoma, May 2003
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: 5359786, 5359788, 5359790, 5359789, 5359792, 5359793, 5359791, 5359787.