Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 238, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 19, 2003, 9:41 PM CDT for Muskogee County, Oklahoma. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 19, 2003, 9:41 PM CDT (02:41 UTC)
- Expired
- May 19, 2003, 10:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Muskogee County, OK
The radar
The Tulsa radar (KINX), 49 km from the middle of the area, began a volume at 02:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.7 hours before the alert went out and 180 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1418 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 293 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 9.8
The text
As transmitted, in the capitals the NWS used until 2016.
612 WUUS54 KTSA 200241 SVRTUL OKC101-200330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 941 PM CDT MON MAY 19 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA * UNTIL 1030 PM CDT * AT 941 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES NORTHWEST OF BOYNTON...MOVING EAST AT 30 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MUSKOGEE... BOYNTON...BRAGGS...TAFT...FORT GIBSON AND HASKELL. HAIL TO THE SIZE OF QUARTERS CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3583 9576 3561 9574 3562 9515 3581 9517
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at May 19, 8:15 PM CDT, 1 hour 26 minutes earlier.
Area forecast discussion, May 19, 8:15 PM CDT, 1 hour 26 minutes before
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.
Hazardous weather outlook, May 19, 7:27 PM CDT, 2 hours 14 minutes before
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
In the hours before
Special weather statement, May 19, 4:05 PM CDT, 5 hours 36 minutes before
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.
Special weather statement, May 19, 9:35 PM CDT, 6 minutes before
OKZ060>062-064>067-070>071-073-200800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 935 PM CDT MON MAY 19 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH #416 UNTIL 300 AM CDT TUESDAY MORNING FOR THE FOLLOWING AREAS: IN OKLAHOMA THIS WATCH INCLUDES 10 COUNTIES... IN EAST CENTRAL OKLAHOMA: MUSKOGEE OKFUSKEE IN NORTHEAST OKLAHOMA: CREEK MAYES OKMULGEE ROGERS TULSA WAGONER IN SOUTHEAST OKLAHOMA: MCINTOSH PITTSBURG THIS INCLUDES THE CITIES OF BRISTOW...BROKEN ARROW...CLAREMORE... EUFAULA...MCALESTER...MUSKOGEE...OKEMAH...OKMULGEE...PRYOR...SAND SPRINGS...TULSA AND WAGONER.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:52 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 53 min |
| May 19, 8:30 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Tulsa | 60 min |
| May 19, 9:11 PM CDT | Flash Flood Warning | TSA | Tulsa | 3 hr |
| May 19, 9:23 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Tulsa, Washington | 52 min |
| May 19, 9:28 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 47 min |
| May 19, 9:48 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 57 min |
| May 19, 9:56 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Rogers | 49 min |
| May 19, 10:45 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 60 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.