Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 271, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 11, 2003, 11:58 PM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 62 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
- Jun 11, 2003, 11:58 PM CDT (04:58 UTC)
- Expired
- Jun 12, 2003, 1:00 AM CDT
- In force
- 62 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Choctaw County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 146 km from the middle of the area, began a volume at 04:58 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 |
|---|---|---|---|
| Jun 11, 10:25 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 5.0 hours before the alert went out and 199 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
- 4834 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1070 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
896 WUUS54 KTSA 120458 SVRTUL OKC023-127-120600- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1158 PM CDT WED JUN 11 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 100 AM CDT * AT 1158 PM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP TO 65 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 32 MILES NORTHWEST OF MOYERS TO 37 MILES SOUTHWEST OF BOSWELL...MOVING EAST AT 40 MPH. * SOME LOCATIONS AFFECTED INCLUDE... HUGO...GOODLAND...SAWYER...FORT TOWSON...BOSWELL...SOPER...MESSER...KENT...ANTLERS...CLAYTON... RATTAN...CLOUDY...MOYERS...KOSOMA...SNOW...NASHOBA...STANLEY... TUSKAHOMA...KIAMICHI...OLETA...KELLOND AND DUNBAR. DAMAGING WINDS ARE LIKELY WITH THESE STORMS...MOVE TO A SAFE PLACE NOW. MOBILE HOMES AND VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO HIGH WINDS AND MAY BE OVERTURNED. LAT...LON 3460 9568 3397 9595 3395 9514 3467 9498 $$
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 Jun 11, 10:50 PM CDT, 1 hour 8 minutes earlier.
Area forecast discussion, Jun 11, 10:50 PM CDT, 1 hour 8 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 1050 PM CDT WED JUN 11 2003 LINEAR CONVECTIVE COMPLEX WILL CONTINUE INTO EASTERN OKLAHOMA WITH WARNING OPERATIONS LIKELY TO COMMENCE GIVEN PROGGED INSTABILITY AWAITING APPROACHING LINE. THREAT FOR DAMAGING WINDS WILL ACCOMPANY THE ENTIRE LINE. GREATEST POTENTIAL FOR EXTREME WINDS WILL BE ACROSS SOUTHEAST OKLAHOMA WHERE DOWNDRAFT CAPE AND LOW LEVEL LAPSE RATES ARE CURRENTLY MAXIMIZED. STRENGTHENING LOW LEVEL JET AND DEEP MOISTURE FIELDS OVER THE ENTIRE AREA SUGGEST CONVECTIVE COMPLEX WILL LIKELY TRAVERSE THE ENTIRE CWA. FORECAST ID= 07 .TSA... AR...NONE. OK...NONE.
Hazardous weather outlook, Jun 11, 10:30 PM CDT, 1 hour 28 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-121100- HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TULSA OK 1030 PM CDT WED JUN 11 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TONIGHT SEVERE WEATHER OUTLOOK ...WIDESPREAD SEVERE THUNDERSTORMS EXPECTED OVERNIGHT... A LINE OF SEVERE THUNDERSTORMS WAS MOVING RAPIDLY EAST ACROSS CENTRAL OKLAHOMA AT 1030 PM. THIS LINE OF STORMS WILL CONTINUE MOVING EAST AND NORTHEAST ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS OVERNIGHT. DAMAGING WINDS OF 60 TO 80 MILES AN HOUR WILL BE LIKELY WITH THESE STORMS AND ONE OR TWO STORMS MAY ALSO PRODUCE HAIL UP TO PENNY SIZE. STRONG INSTABILITY REMAINS AHEAD OF THE LINE SO THE STORMS SHOULD REMAIN SEVERE AS THEY MOVE ACROSS THE AREA. INSTABILITY IS SLIGHTLY WEAKER IN FAR NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS SO THE STORMS MAY START TO WEAKEN AS THEY MOVE INTO THAT AREA BUT DAMAGING WINDS WILL REMAIN POSSIBLE. 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...THURSDAY THROUGH TUESDAY UNSETTLED WEATHER WILL PERSIST THROUGH THIS PERIOD WITH A CHANCE OF SHOWERS AND THUNDERSTORMS EACH DAY. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION WILL BE REQUIRED OVERNIGHT. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Special weather statement, Jun 11, 10:21 PM CDT, 1 hour 37 minutes before
ARZ001-010-019>020-029-OKZ049-053>076-120800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1021 PM CDT WED JUN 11 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH #524 UNTIL 300 AM CDT THURSDAY MORNING 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 25 COUNTIES... IN EAST CENTRAL OKLAHOMA: CHEROKEE MUSKOGEE OKFUSKEE SEQUOYAH IN NORTHEAST OKLAHOMA: ADAIR CRAIG CREEK DELAWARE MAYES NOWATA OKMULGEE OSAGE OTTAWA PAWNEE ROGERS TULSA WAGONER WASHINGTON IN SOUTHEAST OKLAHOMA: CHOCTAW HASKELL LATIMER LE FLORE MCINTOSH PITTSBURG PUSHMATAHA THIS INCLUDES THE CITIES OF ANTLERS...BARTLESVILLE...BENTONVILLE... BRISTOW...BROKEN ARROW...CEDARVILLE...CLAREMORE...CLAYTON... EUFAULA...FAYETTEVILLE...FORT SMITH...HUGO...JAY...MCALESTER... MIAMI...MOUNTAINBURG...MUSKOGEE...NATURAL DAM...NOWATA...OKEMAH... OKMULGEE...OZARK...PAWHUSKA...PAWNEE...POTEAU...PRYOR...ROGERS... SALLISAW...SAND SPRINGS...SILOAM SPRINGS...SPRINGDALE...STIGLER... STILWELL...TAHLEQUAH...TULSA...VAN BUREN...VINITA...WAGONER AND WILBURTON.
Special weather statement, Jun 11, 10:27 PM CDT, 1 hour 31 minutes before
OKZ059-064-065-120430-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1027 PM CDT WED JUN 11 2003
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY EFFECTIVE UNTIL 1130 PM CDT FOR THE FOLLOWING
COUNTIES:
IN NORTHEAST OKLAHOMA
PAWNEE AND CREEK
IN EAST CENTRAL OKLAHOMA
OKFUSKEE
AT 1027 PM CDT...DOPPLER RADAR INDICATED STRONG TO SEVERE
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR BISON IN GARFIELD
COUNTY TO LUTHER IN EASTERN OKLAHOMA COUNTY. THESE THUNDERSTORMS ARE
MOVING EAST AT 40 MPH AND WILL BE ENTERING CREEK...PAWNEE AND
OKFUSKEE COUNTIES BY 1130 PM. THESE STORMS HAVE A HISTORY OF
PRODUCING WIND GUSTS IN EXCESS OF 60 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE ADVISORY IS
UPGRADED TO A WARNING.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 11:18 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee, Pawnee | 57 min |
| Jun 11, 11:35 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 55 min |
| Jun 12, 12:11 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer | 49 min |
| Jun 12, 12:25 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 50 min |
| Jun 12, 12:45 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 45 min |
| Jun 12, 1:02 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Sequoyah | 43 min |
| Jun 12, 1:25 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 50 min |
| Jun 12, 1:56 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 34 min |
| Jun 12, 2:20 AM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 40 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.