Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 97, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 4, 2003, 4:45 PM CDT for Muskogee County, Wagoner County, Oklahoma. It was in force for 45 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 4, 2003, 4:45 PM CDT (21:45 UTC)
- Expired
- May 4, 2003, 5:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Muskogee County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 47 km from the middle of the area, began a volume at 21:46 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 4, 12:35 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.8 hours before the alert went out and 176 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
- 1741 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 365 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 31.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KTSA 042145
SVRTUL
OKC101-145-042230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
444 PM CDT SUN MAY 4 2003
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
WAGONER COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 530 PM CDT
* AT 444 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 14
MILES SOUTHWEST OF BOYNTON...MOVING NORTHEAST AT 65 MPH.
* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...WAGONER...
TULLAHASSEE...PORTER...OKAY...COWETA...MUSKOGEE...BOYNTON...TAFT
AND HASKELL.
HAIL TO THE SIZE OF GOLFBALLS AND WIND GUSTS TO 65 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 3557 9572 3556 9556 3569 9538 3606 9520
3607 9568 3577 9574What 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 4, 4:11 PM CDT, 34 minutes earlier.
Area forecast discussion, May 4, 4:11 PM CDT, 34 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 410 PM AM CDT SUN MAY 4 2003 THUNDERSTORMS EXPLODING ACROSS OSAGE COUNTY WERE QUICKLY BECOMING SUPERCELLS. ADDITIONAL SUPERCELL DEVELOPMENT IS POSSIBLE DURING THE NEXT HOUR INTO SOUTHERN OSAGE COUNTY AND PERHAPS PAWNEE COUNTY. THESE CELLS WILL LIKELY REMAIN CLASSIC SUPERCELLS AND HAVE A THREAT FOR TORNADOES. THE THREAT FOR STORNG TORNADOES WILL INCREASE AS THE STORMS MOVE INTO THE BETTER LOW-LEVEL MOISTURE ENVIRONMENT FURTHER EAST INTO THE NORTHEAST CORNER OF THE STATE. THE STORMS DEVELOPING FURTHER SOUTH ARE FORMING NEAR A MID-LEVEL JET SEGMENT AND WITHIN THE ASSOCIATED CIRRUS. THE CELL MODE WILL BE HARD TO CALL AS THE FASTER MID-LEVEL SPEEDS WILL BE OFFSET BY THE NATURAL SEEDING FROM THE ANVILS. RADAR TRENDS SUGGEST A POSSIBLE HP EVENT DEVELOPING WITH THESE STORMS. FORECAST ID= 8 .TSA... AR...NONE. OK...NONE.
Hazardous weather outlook, May 4, 1:00 PM CDT, 3 hours 45 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-051200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT SUN MAY 4 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 LIKELY THIS AFTERNOON AND EVENING... CONDITIONS REMAIN FAVORABLE FOR A SIGNIFICANT SEVERE WEATHER EVENT THIS AFTERNOON FOR PORTIONS OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. A STRONG UPPER LEVEL JET WILL SHIFT EAST INTO THE SOUTHERN PLAINS TODAY. AS A RESULT...SURFACE LOW PRESSURE HAS DEVELOPED OVER NORTHWEST KANSAS AS THE MORNING PROGRESSED. A WARM FRONT EXTENDING EASTWARD FROM THE SYSTEM HAS LIFTED TO THE NORTH OF THE AREA...WHILE A DRYLINE EXTENDS TO THE SOUTH ACROSS WESTERN OKLAHOMA AND WESTERN TEXAS EARLY THIS AFTERNOON. THE DRYLINE WILL MOVE EASTWARD TODAY INTO EASTERN OKLAHOMA BY THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG/JUST AHEAD OF THE DRYLINE BY MID TO LATE AFTERNOON...AND WILL QUICKLY BECOME SEVERE. STORMS WILL MOVE EASTWARD INTO NORTHWEST AND WEST CENTRAL ARKANSAS BY THE EARLY EVENING HOURS. WIND FIELDS AT THE SURFACE AND ABOVE THE GROUND ARE FAVORABLE FOR STORMS TO ROTATE AND WILL BE CAPABLE OF PRODUCING TORNADOES AND VERY LARGE HAIL. THE SEVERE THREAT WILL BEGIN TO DIMINISH LATER THIS EVENING AS THE SURFACE DRYLINE AND STORMS SHIFT EAST OF THE REGION. THIS A POTENTIALLY DANGEROUS SITUATION...PLEASE SEE THE LATEST /OKCPNSTUL/ TO REVIEW SEVERE WEATHER SAFETY RULES. 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...MONDAY THROUGH SATURDAY QUIET WEATHER IS EXPECTED TO PREVAIL MONDAY BEFORE THE NEXT CHANCE OF THUNDERSTORMS RETURNS ON TUESDAY. UNSETTLED WEATHER IS THEN EXPECTED TO CONTINUE THROUGH THE REMAINDER OF THE WEEK WITH AT LEAST A SLIGHT CHANCE OF THUNDERSTORMS EACH DAY THROUGH NEXT SATURDAY. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE REQUIRED THIS AFTERNOON INTO THIS EVENING. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Special weather statement, May 4, 12:41 PM CDT, 4 hours 4 minutes before
ARZ001>002-010>011-019>020-029-OKZ054>076-050000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1241 PM CDT SUN MAY 4 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH #232 UNTIL 700 PM CDT SUNDAY EVENING FOR THE FOLLOWING AREAS: IN ARKANSAS THIS WATCH INCLUDES 7 COUNTIES... IN NORTHWEST ARKANSAS: BENTON CARROLL CRAWFORD MADISON WASHINGTON IN WEST CENTRAL ARKANSAS: FRANKLIN SEBASTIAN IN OKLAHOMA THIS WATCH INCLUDES 23 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: HASKELL LATIMER LE FLORE MCINTOSH PITTSBURG THIS INCLUDES THE CITIES OF BARTLESVILLE...BENTONVILLE... BERRYVILLE...BRISTOW...BROKEN ARROW...CEDARVILLE...CLAREMORE... EUFAULA...EUREKA SPRINGS...FAYETTEVILLE...FORT SMITH...HUNTSVILLE... 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. A TORNADO WATCH IS IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST ON THIS SEVERE WEATHER EVENT. ADDITIONAL WEATHER INFORMATION...INCLUDING RELATED GRAPHICS CAN BE FOUND AT: WWW.SRH.NOAA.GOV/TULSA.
Special weather statement, May 4, 3:04 PM CDT, 1 hour 41 minutes before
OKZ049-053-050200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 304 PM CDT SUN MAY 4 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH #234 UNTIL 900 PM CDT SUNDAY EVENING FOR THE FOLLOWING AREAS: IN OKLAHOMA THIS WATCH INCLUDES 2 COUNTIES... IN SOUTHEAST OKLAHOMA: CHOCTAW PUSHMATAHA THIS INCLUDES THE CITIES OF ANTLERS...CLAYTON AND HUGO.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 3:53 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 67 min |
| May 4, 4:09 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 66 min |
| May 4, 4:11 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 64 min |
| May 4, 4:22 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 53 min |
| May 4, 4:24 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee, Okmulgee | 51 min |
| May 4, 4:27 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 48 min |
| May 4, 4:37 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 38 min |
| May 4, 4:43 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 47 min |
| May 4, 4:53 PM CDT | Tornado Warning | TSA | Nowata | 37 min |
| May 4, 5:03 PM CDT | Tornado Warning | TSA | Pittsburg | 57 min |
| May 4, 5:09 PM CDT | Tornado Warning | TSA | Craig | 36 min |
| May 4, 5:13 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes | 47 min |
| May 4, 5:25 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 50 min |
| May 4, 5:25 PM CDT | Tornado Warning | TSA | Latimer | 65 min |
| May 4, 5:38 PM CDT | Tornado Warning | TSA | Craig, Ottawa | 37 min |
| May 4, 5:57 PM CDT | Tornado Warning | TSA | LeFlore | 63 min |
| May 4, 6:03 PM CDT | Tornado Warning | TSA | Ottawa | 42 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.