Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 148, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 9, 2003, 8:31 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 59 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 9, 2003, 8:31 PM CDT (01:31 UTC)
- Expired
- May 9, 2003, 9:30 PM CDT
- In force
- 59 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Osage County, OK, Pawnee County, OK
The radar
The Vance AFB radar (KVNX), 110 km from the middle of the area, began a volume at 01:32 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 9, 4:45 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 1.5 hours before the alert went out and 138 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
- 2823 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1182 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 100131 SVRTUL OKC113-117-100230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 830 PM CDT FRI MAY 9 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR WESTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA PAWNEE COUNTY IN NORTHEAST OKLAHOMA * UNTIL 930 PM CDT * AT 830 PM CDT...DOPPLER RADAR INDICATED A DANGEROUS SEVERE THUNDERSTORM 22 MILES WEST OF PAWNEE...MOVING NORTHEAST AT 35 MPH. RADAR INDICATED SOME ROTATION WITH THIS STORM. PEOPLE NEAR ITS PATH SHOULD MOVE TO A SAFE PLACE NOW * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... SHIDLER... FAIRFAX...BURBANK...FORAKER...PAWNEE...BLACKBURN...SKEDEE... CLEVELAND AND RALSTON. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. IF YOU ARE IN OR NEAR THE PATH OF THIS STORM...TAKE COVER NOW A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH OF THIS STORM...YOU SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO ACT QUICKLY. LAT...LON 3629 9735 3615 9722 3629 9644 3702 9650
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 9, 8:10 PM CDT, 21 minutes earlier.
Area forecast discussion, May 9, 8:10 PM CDT, 21 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 810 PM CDT FRI MAY 9 2003 A BOUNDARY WITH CONSDIERABLE CYCLONIC SHEAR WAS LIFTING NORTH FROM WEST PORT TO NORTH OF STILLWATER. THE SUPERCELL WEST OF STILLWATER HAS BEEN INCREASING IN ORGANIZATION AS IT INTERSECTS THAT BOUNDARY. THE BOUNDARY IS MOVING STEADILY NORTH AND COULD OUT PACE THE SUPERCELL...SO THE LONGER-TERM EVOLUTION OF THIS STORM IS NOT CLEAR. THE MESOCYCLONE WITH THIS CELL COULD ENTER WESTERN PAWNEE COUNTY AROUND 830PM IF IT SURVIVES. FORECAST ID= 08 .TSA... AR...NONE. OK...NONE.
Hazardous weather outlook, May 9, 1:00 PM CDT, 7 hours 31 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-101100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT FRI MAY 9 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...THIS AFTERNOON AND TONIGHT SEVERE WEATHER OUTLOOK ...SEVERE THUNDERSTORMS ARE LIKELY LATE THIS AFTERNOON THROUGH TONIGHT... AN UPPER LEVEL SYSTEM APPROACHING THE WESTERN PLAINS WILL AID IN THE CONTINUED DEVELOPMENT OF LOW PRESSURE OVER THE WESTERN PLAINS THIS AFTERNOON AND TONIGHT. IN RESPONSE TO THIS DEVELOPMENT A DRY LINE WILL SHARPEN OVER WESTERN OKLAHOMA AND WESTERN TEXAS. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THE DRY LINE THIS AFTERNOON AND SPREAD NORTHEAST INTO EASTERN OKLAHOMA LATE THIS AFTERNOON OR EARLY THIS EVENING. THE THUNDERSTORMS WOULD REACH NORTHWEST ARKANSAS DURING THE MID TO LATE EVENING HOURS. ANY STORMS THAT DEVELOP THIS AFTERNOON WILL LIKELY BECOME SEVERE DUE TO VERY HIGH INSTABILITY AND FAVORABLE WIND FIELDS. THERE IS THE POTENTIAL FOR LONG LIVED SUPERCELLS...WITH THE POSSIBILITY OF VERY LARGE HAIL AND TORNADOES. WARNING PROBABILITIES FOR SEVERE THUNDERSTORMS AND TORNADOES CAN BE FOUND IN THE OUTLOOK 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...SATURDAY THROUGH THURSDAY THE UPPER LEVEL SYSTEM MOVING OUT INTO THE PLAINS TONIGHT AND SATURDAY WILL PUSH A COLD FRONT ACROSS THE AREA. A CHANCE OF THUNDERSTORMS WILL CONTINUE INTO SATURDAY ALONG AND AHEAD OF THE FRONT UNTIL THE FRONT CLEARS THE AREA DURING THE AFTERNOON. DRY WEATHER WILL THEN PREVAIL FOR A FEW DAYS TILL THE NEXT CHANCE OF THUNDERSTORMS DEVELOPS BY TUESDAY. THERE WILL ALSO BE A CONTINUED CHANCE OF THUNDERSTORMS THROUGH WEDNESDAY AND THURSDAY OF NEXT WEEK. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...SPOTTER ACTIVATION WILL LIKELY BE REQUIRED LATE THIS AFTERNOON INTO TONIGHT. SPOTTERS AND EMERGENCY OFFICIALS SHOULD CONTINUE TO MONITOR THE LATEST WEATHER CONDITIONS VERY CLOSELY. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Special weather statement, May 9, 4:37 PM CDT, 3 hours 54 minutes before
OKZ054>064-067>069-100337- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 437 PM CDT FRI MAY 9 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 321 UNTIL 1100 PM CDT FRIDAY EVENING FOR THE FOLLOWING AREAS: IN OKLAHOMA THIS WATCH INCLUDES 14 COUNTIES... IN EAST CENTRAL OKLAHOMA: CHEROKEE IN NORTHEAST OKLAHOMA: ADAIR CRAIG CREEK DELAWARE MAYES NOWATA OSAGE OTTAWA PAWNEE ROGERS TULSA WAGONER WASHINGTON THIS INCLUDES THE CITIES OF BARTLESVILLE...BRISTOW...BROKEN ARROW... CLAREMORE...JAY...MIAMI...NOWATA...PAWHUSKA...PAWNEE...PRYOR...SAND SPRINGS...STILWELL...TAHLEQUAH...TULSA...VINITA AND WAGONER.
Local storm report, May 9, 6:40 PM CDT, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0640 PM CDT FRI MAY 09 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0622 PM HALLETT OK 0.75 IN HAIL
05/09/03 PAWNEE
SPLocal storm report, May 9, 6:46 PM CDT, 1 hour 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0646 PM CDT FRI MAY 09 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0625 PM 2 NW OSAGE OK 0.88 IN HAIL
05/09/03 OSAGE
SPLocal storm report, May 9, 6:48 PM CDT, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0648 PM CDT FRI MAY 09 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0625 PM CLEVELAND OK 0.88 IN HAIL
05/09/03 PAWNEE
SPSpecial weather statement, May 9, 7:53 PM CDT, 38 minutes before
OKZ064>066-100115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 753 PM CDT FRI MAY 9 2003 THE NATIONAL WEATHER SERVICE HAS CLEARED THE FOLLOWING AREAS REMAINING IN TORNADO WATCH #320. NO AREAS REMAIN IN THE WATCH. IN OKLAHOMA THIS WATCH INCLUDED 2 COUNTIES... IN EAST CENTRAL OKLAHOMA: OKFUSKEE IN NORTHEAST OKLAHOMA: OKMULGEE THIS INCLUDES THE CITIES OF OKEMAH AND OKMULGEE.
Special weather statement, May 9, 8:10 PM CDT, 21 minutes before
OKZ054>064-067>069-100130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 810 PM CDT FRI MAY 9 2003 TORNADO WATCH #321 ISSUED BY THE NATIONAL WEATHER SERVICE UNTIL 1100 PM CDT FRIDAY EVENING CONTINUES FOR THE FOLLOWING AREAS: IN OKLAHOMA THIS WATCH INCLUDES 14 COUNTIES... IN EAST CENTRAL OKLAHOMA: CHEROKEE IN NORTHEAST OKLAHOMA: ADAIR CRAIG CREEK DELAWARE MAYES NOWATA OSAGE OTTAWA PAWNEE ROGERS TULSA WAGONER WASHINGTON THIS INCLUDES THE CITIES OF BARTLESVILLE...BRISTOW...BROKEN ARROW... CLAREMORE...JAY...MIAMI...NOWATA...PAWHUSKA...PAWNEE...PRYOR...SAND SPRINGS...STILWELL...TAHLEQUAH...TULSA...VINITA AND WAGONER.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 10:02 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 43 min |
| May 9, 10:09 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 66 min |
| May 9, 11:40 PM CDT | Tornado Warning | TSA | Creek | 65 min |
| May 9, 11:47 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee | 43 min |
| May 9, 11:54 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 51 min |
| May 10, 12:21 AM CDT | Tornado Warning | TSA | Creek | 54 min |
| May 10, 12:34 AM CDT | Tornado Warning | TSA | Okmulgee, Tulsa | 56 min |
| May 10, 1:15 AM CDT | Tornado Warning | TSA | Creek, Okmulgee, Tulsa | 45 min |
| May 10, 1:22 AM CDT | Tornado Warning | TSA | Wagoner | 68 min |
| May 10, 2:29 AM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 46 min |
| May 10, 2:42 AM CDT | Severe Thunderstorm Warning | TSA | Mayes | 48 min |
| May 10, 2:49 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 56 min |
| May 10, 12:38 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 52 min |
| May 10, 12:41 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 49 min |
| May 10, 1:18 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee, Okmulgee | 42 min |
| May 10, 1:25 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers, Washington | 65 min |
| May 10, 1:35 PM CDT | Tornado Warning | TSA | Nowata, Rogers, Washington | 70 min |
| May 10, 1:52 PM CDT | Tornado Warning | TSA | McIntosh, Pittsburg | 53 min |
| May 10, 2:01 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 44 min |
| May 10, 2:25 PM CDT | Tornado Warning | TSA | Haskell, Muskogee | 65 min |
| May 10, 2:37 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 53 min |
| May 10, 2:45 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 75 min |
| May 10, 2:59 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 46 min |
| May 10, 3:03 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 57 min |
| May 10, 3:14 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 31 min |
| May 10, 3:22 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 38 min |
| May 10, 4:00 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 60 min |
| May 10, 4:41 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 34 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.