Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 145, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 8, 2003, 5:50 PM CDT for Osage County, Oklahoma. It was in force for 55 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 8, 2003, 5:50 PM CDT (22:50 UTC)
- Expired
- May 8, 2003, 6:45 PM CDT
- In force
- 55 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Osage County, OK
The radar
The Vance AFB radar (KVNX), 114 km from the middle of the area, began a volume at 22:50 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 8, 1:35 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 10.8 hours before the alert went out and 171 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
- 2594 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 3.1
- Supercell composite
- 11.0
The text
As transmitted, in the capitals the NWS used until 2016.
430 WUUS54 KTSA 082250 SVRTUL OKC113-082345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 550 PM CDT THU MAY 8 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... OSAGE COUNTY IN NORTHEAST OKLAHOMA * UNTIL 645 PM CDT * AT 550 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 28 MILES WEST OF FAIRFAX...MOVING NORTHEAST AT 50 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...SHIDLER... FAIRFAX...BURBANK...PEARSONIA...BIGHEART...FORAKER AND GRAINOLA. HAIL TO THE SIZE OF GOLFBALLS AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. LAT...LON 3652 9732 3637 9703 3697 9602 3710 9655
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 8, 5:43 PM CDT, 7 minutes earlier.
Area forecast discussion, May 8, 5:43 PM CDT, 7 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 543 PM CDT THU MAY 8 2003 ...DANGEROUS SITUATION DEVELOP FOR EASTERN OKLAHOMA... A SECOND THUNDERSTORM WAS RAPIDLY DEVELOPING IN NOBLE COUNTY. THIS STORM WILL QUICKLY BECOME A SUPERCELL WITH A TORNADO THREAT FOR PAWNEE AND OSAGE COUNTIES. TORNADO PARAMATERS ARE HIGH ACROSS THE EASTERN OKLAHOMA. THIS IS A DANGEROUS SITUATIN FOR PEOPLE IN OSAGE...PAWNEE... CREEK...TULSA AND OKMULGEE COUNTIES AND PERHAPS OKFUSKEE COUNTY. ALL INTERESTS IN THESE AREAS SHOULD BE AT THE HIGHEST STATE OF READINESS. FORECAST ID= 08 .TSA... AR...NONE. OK...NONE.
Hazardous weather outlook, May 8, 5:00 PM CDT, 50 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-091100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 500 PM CDT THU MAY 8 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...THROUGH TONIGHT SEVERE WEATHER OUTLOOK ...SUPERCELL THUNDERSTORMS WITH TORNADOES WILL LIKELY AFFECT PORTIONS OF EASTERN OKLAHOMA THIS EVENING... ...DANGEROUS WEATHER SITUATION DEVELOPING ACROSS EASTERN OKLAHOMA... SEVERE THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG THE DRYLINE AND ADVANCE INTO EASTERN OKLAHOMA BETWEEN 6 AND 7 PM. PARAMETERS REMAIN FAVORABLE FOR TORNADOES TO DEVELOP WITH THESE THUNDERSTORMS. THE GREATEST POTENTIAL FOR TORNADIC DEVELOPMENT WILL BE ACROSS NORTHEAST OKLAHOMA HOWEVER...GIVEN THE STRENGTH OF STORMS A TORNADO THREAT EXISTS ACROSS ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. ADDITIONALLY...BASEBALL SIZE HAIL AND WIND GUSTS TO 80 MPH WILL BE POSSIBLE WITH THESE STORMS. THE THREAT FOR SEVERE WEATHER WILL CONTINUE THROUGH THE EVENING HOURS AND ADDITIONAL HAZARDOUS WEATHER OUTLOOKS WILL PROVIDE UPDATES REGARDING THIS DANGEROUS WEATHER SITUATION. 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...FRIDAY THROUGH WEDNESDAY THERE IS A SLIGHT CHANCE OF THUNDERSTORMS FRIDAY AS THE DRY LINE REMAINS TO OUR WEST AND LOW LEVEL MOISTURE REMAINS IN PLACE...BUT IT APPEARS A THIS TIME THAT THE ATMOSPHERE WILL REMAIN CAPPED ENOUGH TO REDUCE THE CHANCE OF SEVERE WEATHER. A LOW PRESSURE SYSTEM MOVING ACROSS THE PLAINS SATURDAY WILL CAUSE THE DRY LINE TO PUSH EAST... BRINGING YET ANOTHER OPPORTUNITY FOR SEVERE WEATHER TO MUCH OF THE AREA. DRIER AND COOLER WEATHER WILL FINALLY PREVAIL SUNDAY AND MONDAY...THEN THE CHANCE OF THUNDERSTORMS RETURNS TUESDAY AND WEDNESDAY. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION WILL BE REQUIRED BY THIS AFTERNOON AND TONIGHT. SPOTTERS AND EMERGENCY OFFICIALS SHOULD CLOSELY MONITOR THE LATEST WARNINGS AND STATEMENT FOR CRITICAL WEATHER INFORMATION. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Special weather statement, May 8, 1:32 PM CDT, 4 hours 18 minutes before
OKZ054-059-064>065-090200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 132 PM CDT THU MAY 8 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH #304 UNTIL 900 PM CDT THURSDAY EVENING FOR THE FOLLOWING AREAS: IN OKLAHOMA THIS WATCH INCLUDES 4 COUNTIES... IN EAST CENTRAL OKLAHOMA: OKFUSKEE IN NORTHEAST OKLAHOMA: CREEK OSAGE PAWNEE THIS INCLUDES THE CITIES OF BRISTOW...OKEMAH...PAWHUSKA AND PAWNEE.
Local storm report, May 8, 1:38 PM CDT, 4 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0138 PM CDT THU MAY 08 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0630 AM HOWE OK 1.00 IN HAIL
05/08/03 LE FLORE
0543 AM RED OAK OK WIND DAMAGE
05/08/03 LATIMER TREES DOWN.
0658 AM POTEAU OK WIND DAMAGE
05/08/03 LE FLORE 2 TREES DOWN.
0622 AM SUMMERFIELD OK WIND DAMAGE
05/08/03 LE FLORE BARN LEVELED. POSSIBLE
TORNADO.
0448 AM BLANCO OK 0.88 IN HAIL
05/08/03 PITTSBURG
RJSLocal storm report, May 8, 2:23 PM CDT, 3 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0223 PM CDT THU MAY 08 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0545 PM 1 W KEEFETON OK 0.75 IN HAIL
05/06/03 MUSKOGEE
0920 PM HARTFORD AR 1.00 IN HAIL
05/06/03 SEBASTIAN
RJSSpecial weather statement, May 8, 5:48 PM CDT, 2 minutes before
ARZ001-010-019>020-029-OKZ055>058-060>063-066>076-090400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 548 PM CDT THU MAY 8 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH #311 UNTIL 1100 PM CDT THURSDAY EVENING FOR THE FOLLOWING AREAS: IN ARKANSAS THIS WATCH INCLUDES 5 COUNTIES... IN NORTHWEST ARKANSAS: BENTON CRAWFORD WASHINGTON IN WEST CENTRAL ARKANSAS: FRANKLIN SEBASTIAN IN OKLAHOMA THIS WATCH INCLUDES 19 COUNTIES... IN EAST CENTRAL OKLAHOMA: CHEROKEE MUSKOGEE SEQUOYAH IN NORTHEAST OKLAHOMA: ADAIR CRAIG DELAWARE MAYES NOWATA OKMULGEE OTTAWA ROGERS TULSA WAGONER WASHINGTON IN SOUTHEAST OKLAHOMA: HASKELL LATIMER LE FLORE MCINTOSH PITTSBURG THIS INCLUDES THE CITIES OF BARTLESVILLE...BENTONVILLE...BROKEN ARROW...CEDARVILLE...CLAREMORE...EUFAULA...FAYETTEVILLE...FORT SMITH...JAY...MCALESTER...MIAMI...MOUNTAINBURG...MUSKOGEE...NATURAL DAM...NOWATA...OKMULGEE...OZARK...POTEAU...PRYOR...ROGERS... SALLISAW...SAND SPRINGS...SILOAM SPRINGS...SPRINGDALE...STIGLER... STILWELL...TAHLEQUAH...TULSA...VAN BUREN...VINITA...WAGONER AND WILBURTON.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 1:55 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 50 min |
| May 8, 3:50 AM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 55 min |
| May 8, 4:20 AM CDT | Tornado Warning | TSA | Pittsburg | 55 min |
| May 8, 4:42 AM CDT | Severe Thunderstorm Warning | TSA | Latimer | 63 min |
| May 8, 5:04 AM CDT | Severe Thunderstorm Warning | TSA | Haskell | 41 min |
| May 8, 5:41 AM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore | 49 min |
| May 8, 6:04 AM CDT | Tornado Warning | TSA | LeFlore | 56 min |
| May 8, 6:56 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 34 min |
| May 8, 6:01 PM CDT | Tornado Warning | TSA | Creek, Okfuskee | 59 min |
| May 8, 6:06 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 54 min |
| May 8, 6:53 PM CDT | Tornado Warning | TSA | Osage | 67 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.