Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 174, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 10, 2003, 4:41 PM CDT for LeFlore County, Oklahoma. It was in force for 34 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 10, 2003, 4:41 PM CDT (21:41 UTC)
- Expired
- May 10, 2003, 5:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County LeFlore County, OK
The radar
The Western Arkansas radar (KSRX), 26 km from the middle of the area, began a volume at 21:41 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 10, 11:55 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 207 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
- 1867 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 689 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 300 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 12.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 102141 SVRTUL OKC079-102215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 441 PM CDT SAT MAY 10 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 515 PM CDT * AT 441 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES SOUTH OF CAMERON...MOVING NORTHEAST AT 40 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...POTEAU... CAMERON...PANAMA...SPIRO AND POCOLA. HAIL TO THE SIZE OF NICKELS 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 3526 9475 3493 9462 3501 9444 3534 9447
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 10, 3:42 PM CDT, 59 minutes earlier.
Area forecast discussion, May 10, 3:42 PM CDT, 59 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 342 PM CDT SAT MAY 10 2003 LARGE SEVERE STORM MOVING INTO CRAWFORD COUNTY ARKANSAS SHOULD HAVE INCREASING WIND DAMAGE POTENTIAL TO ACCOMPNAY THE GIANT HAIL THAT HAS BEEN OCCURRING. RECENT RADAR IMAGES SHOW A DRY AIR CHANNEL DEVELOPING INTO THE BACK SIDE OF THE REFLECTIVITY...INDICATING A PROLONG DAMAGGING WIND EVENING MAY BE ABOUT TO START. FORECAST ID=08 .TSA... AR...NONE. OK...NONE
Hazardous weather outlook, May 10, 1:00 PM CDT, 3 hours 41 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-111100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT SAT MAY 10 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 ...NUMEROUS SEVERE THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING... EARLY THIS AFTERNOON SEVERE THUNDERSTORMS WERE FORMING ALONG A WIND SHIFT LINE FROM NEAR BARTLESVILLE TO JUST EAST OF OKLAHOMA CITY TO WITCHITA FALLS. THIS LINE WILL PROGRESS EASTWARD THIS AFTERNOON AND EVENING AS A POWERFUL UPPER LEVEL SYSTEM LIFTS NORTHEAST OUT OF THE DESERT SOUTHWEST INTO THE CENTRAL PLAINS. THIS UPPER LEVEL SYSTEM WILL DRIVE A COLD FRONT SOUTHEAST ACROSS THE AREA THIS EVENING BRINGING AN END TO THE SEVERE WEATHER THREAT. RICH MOISTURE...EXTREME INSTABILITY AND FAVORABLE WIND FIELDS WILL LEAD TO SOME SUPERCELL THUNDERSTORMS WITH THE POTENTIAL TO PRODUCE VERY LARGE HAIL AND TORNADOES. A SQUALL LINE WILL EVENTUALLY EVOLVE FROM THE INDIVIDUAL STORMS AND IT WILL HAVE THE POTENTIAL TO ALSO PRODUCE STRONG DAMAGING WINDS. 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...SUNDAY THROUGH FRIDAY COOLER AND DRIER CONDITIONS WILL KEEP THE WEATHER QUIET FOR SUNDAY AND MONDAY BEFORE THE NEXT CHANCE OF THUNDERSTORMS RETURNS BY AROUND TUESDAY. MOISTURE WILL ONCE AGAIN BE ON THE INCREASE WITH WARMER TEMPERATURES AND A CHANCE OF THUNDERSTORMS CONTINUING THROUGH AT LEAST WEDNESDAY AND THURSDAY. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE REQUIRED THIS AFTERNOON AND THIS EVENING. SPOTTERS AND EMERGENCY OFFICIALS SHOULD CONTINUE TO MONITOR THE LATEST WEATHER CONDITIONS VERY CLOSELY TODAY. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Local storm report, May 10, 3:55 PM CDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0355 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0355 PM VAN BUREN AR 1.00 IN HAIL
05/10/03 CRAWFORD
SPSpecial weather statement, May 10, 4:05 PM CDT, 36 minutes before
ARZ002-010>011-019>020-029-110200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 405 PM CDT SAT MAY 10 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH #342 UNTIL 900 PM CDT SATURDAY EVENING FOR THE FOLLOWING AREAS: IN ARKANSAS THIS WATCH INCLUDES 6 COUNTIES... IN NORTHWEST ARKANSAS: CARROLL CRAWFORD MADISON WASHINGTON IN WEST CENTRAL ARKANSAS: FRANKLIN SEBASTIAN THIS INCLUDES THE CITIES OF BERRYVILLE...CEDARVILLE...EUREKA SPRINGS...FAYETTEVILLE...FORT SMITH...HUNTSVILLE...MOUNTAINBURG... NATURAL DAM...OZARK...SPRINGDALE AND VAN BUREN. THIS REPLACES TORNADO WATCH #338 THAT WAS IN EFFECT FOR THESE 6 COUNTIES UNTIL 700 PM.
Local storm report, May 10, 4:15 PM CDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0415 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0414 PM FERN AR 1.75 IN HAIL
05/10/03 FRANKLIN
SPLocal storm report, May 10, 4:32 PM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0432 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0426 PM 3 N MULBERRY AR 1.00 IN HAIL
05/10/03 CRAWFORD
0428 PM 5 N OZARK AR 1.25 IN HAIL
05/10/03 FRANKLIN
0430 PM JETHRO AR 1.00 IN HAIL
05/10/03 FRANKLIN
SPLocal storm report, May 10, 4:33 PM CDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0433 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0433 PM POCOLA OK 1.00 IN HAIL
05/10/03 LE FLORE
SPLocal storm report, May 10, 4:40 PM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0440 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0438 PM FORT SMITH AR 0.88 IN HAIL
05/10/03 SEBASTIAN
SPThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 8:31 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 59 min |
| 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 |
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.