Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 62, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 23, 2003, 10:51 PM CDT for McIntosh County, Oklahoma. It was in force for 39 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
- Apr 23, 2003, 10:51 PM CDT (03:51 UTC)
- Expired
- Apr 23, 2003, 11:30 PM CDT
- In force
- 39 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County McIntosh County, OK
The radar
The Tulsa radar (KINX), 91 km from the middle of the area, began a volume at 03:51 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 |
|---|---|---|---|
| Apr 23, 9:35 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 3.9 hours before the alert went out and 155 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
- 32 J/kg
- Mixed-layer CIN
- -184 J/kg
- Mixed-layer LCL
- 505 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 385 m²/s²
- 0-3 km storm-relative helicity
- 487 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 240351 SVRTUL OKC091-240430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1051 PM CDT WED APR 23 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 1130 PM CDT * AT 1051 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTH OF HANNA...MOVING EAST AT 60 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...EUFAULA... CHECOTAH...HANNA...RAIFORD...VIVIAN...STIDHAM AND RENTIESVILLE. HAIL TO THE SIZE OF PENNIES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3539 9592 3516 9592 3532 9535 3557 9537
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 Apr 23, 9:58 PM CDT, 53 minutes earlier.
Area forecast discussion, Apr 23, 9:58 PM CDT, 53 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 958 PM CDT WED APR 23 2003 ELEVATED THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS OVER THE NEXT SEVERAL HOURS. SOME OF THE THUNDERSTORMS ARE EXPECTED TO BECOME SEVERE AS AN AREA OF ELEVATED INSTABILITY MOVES INTO THE AREA WITH LI VALUES COMPUTED FROM 850MB OF -5 TO -7 MOVING INTO THE AREA. THE LIFT FOR THE THUNDERSTORMS WILL BE PRODUCED BY A 45 TO 50 KT LOW LEVEL JET ACROSS THE AREA WITH ADDITIONAL LIFT BEING PROVIDED BY DIFFLUENCE ASSOCIATED WITH THE UPPER LEVEL LOW PRESSURE OVER EASTERN COLORADO. THE MAIN THREAT WITH THE THUNDERSTORMS WILL BE LARGE HAIL WITH SOME DAMAGING WINDS ALSO POSSIBLE. FORECAST ID = 10 .TSA... AR...NONE. OK...NONE.
Hazardous weather outlook, Apr 23, 9:41 PM CDT, 1 hour 10 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-241100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 941 PM CDT WED APR 23 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TONIGHT SEVERE WEATHER OUTLOOK ...SEVERE THUNDERSTORMS LIKELY TONIGHT... A VIGOROUS UPPER LEVEL STORM SYSTEM LOCATED OVER EASTERN COLORADO THIS EVENING WILL CONTINUE TO APPROACH THE SOUTHERN PLAINS THROUGH THE NIGHT. ELEVATED THUNDERSTORMS WILL CONTINUE TO DEVELOP IN ADVANCE OF THE UPPER LEVEL STORM SYSTEM DURING THE OVERNIGHT HOURS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE WITH LARGE HAIL THE PRIMARY THREAT. SEVERE THUNDERSTORM AND TORNADO WARNING PROBABILITIES 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 THUNDERSTORM CHANCES WILL CONTINUE INTO THURSDAY WITH THE HIGHEST CHANCES ACROSS NORTHWEST ARKANSAS. SEVERE WEATHER WILL BE POSSIBLE WITH ANY THUNDERSTORMS THAT DEVELOP THURSDAY AND LATER FORECASTS SHOULD BE CLOSELY MONITORED FOR DETAILED SEVERE WEATHER THREATS. DRY AND WARM CONDITIONS WILL RETURN BY FRIDAY AND EXTEND INTO THE WEEKEND. THE NEXT CHANCE OF THUNDERSTORMS RETURNS ON MONDAY. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...SPOTTER ACTIVATION IS EXPECTED TONIGHT. EMERGENCY MANAGEMENT PERSONNEL SHOULD CONTINUE TO CLOSELY MONITOR THE LATEST WEATHER CONDITIONS. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Special weather statement, Apr 23, 9:36 PM CDT, 1 hour 15 minutes before
OKZ065-066-240330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 936 PM CDT WED APR 23 2003 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR OKMULGEE AND OKFUSKEE COUNTIES UNTIL 1030 PM CDT... AT 936 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES SOUTH OF BEARDEN...MOVING NORTHEAST AT 45 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 40 MPH. THE COMMUNITIES OF OKEMAH...BEARDEN...CLEARVIEW...PHAROAH...CASTLE... OKFUSKEE...OKMULGEE...HENRYETTA AND SCHULTER WILL BE AFFECTED BY THIS STORM THROUGH 1030 PM CDT.
Special weather statement, Apr 23, 10:03 PM CDT, 48 minutes before
OKZ049-053-060-064>076-240800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1003 PM CDT WED APR 23 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 152 UNTIL 300 AM CDT THURSDAY MORNING FOR THE FOLLOWING AREAS: IN OKLAHOMA THIS WATCH INCLUDES 16 COUNTIES... IN EAST CENTRAL OKLAHOMA: CHEROKEE MUSKOGEE OKFUSKEE SEQUOYAH IN NORTHEAST OKLAHOMA: ADAIR CREEK OKMULGEE TULSA WAGONER IN SOUTHEAST OKLAHOMA: CHOCTAW HASKELL LATIMER LE FLORE MCINTOSH PITTSBURG PUSHMATAHA THIS INCLUDES THE CITIES OF ANTLERS...BRISTOW...BROKEN ARROW... CLAYTON...EUFAULA...HUGO...MCALESTER...MUSKOGEE...OKEMAH... OKMULGEE...POTEAU...SALLISAW...SAND SPRINGS...STIGLER...STILWELL... TAHLEQUAH...TULSA...WAGONER AND WILBURTON.
Special weather statement, Apr 23, 10:23 PM CDT, 28 minutes before
OKZ060-067-240415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1023 PM CDT WED APR 23 2003 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR SOUTH TULSA AND WAGONER COUNTIES UNTIL 1115 PM CDT... AT 1023 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER LEONARD...MOVING NORTHEAST AT 45 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 40 MPH. THE COMMUNITIES OF LEONARD...BIXBY...BROKEN ARROW...COWETA AND ONETA WILL BE AFFECTED BY THIS STORM THROUGH 1115 PM CDT. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 10:19 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 41 min |
| Apr 23, 10:58 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, Pittsburg | 47 min |
| Apr 23, 11:19 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Muskogee, Sequoyah | 41 min |
| Apr 24, 4:15 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Washington | 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.