Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 373, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 5, 2003, 9:24 PM CDT for Nowata County, Washington County, Oklahoma. It was in force for 66 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
- Aug 5, 2003, 9:24 PM CDT (02:24 UTC)
- Expired
- Aug 5, 2003, 10:30 PM CDT
- In force
- 66 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Nowata County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 94 km from the middle of the area, began a volume at 02:27 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 |
|---|---|---|---|
| Aug 5, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.4 hours before the alert went out and 173 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
- 2285 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1305 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
055 WUUS54 KTSA 060224 SVRTUL OKC105-147-060330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 924 PM CDT TUE AUG 5 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NOWATA COUNTY IN NORTHEAST OKLAHOMA WASHINGTON COUNTY IN NORTHEAST OKLAHOMA * UNTIL 1030 PM CDT * AT 922 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 19 MILES NORTH OF WANN TO 22 MILES NORTHEAST OF LENAPAH...MOVING SOUTH AT 35 MPH. * SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...DEWEY... COPAN...NEW ALLUWE...NOWATA...DELAWARE...LENAPAH...WANN...WATOVA AND BARTLESVILLE. HAIL TO THE SIZE OF GOLFBALL AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3729 9597 3722 9530 3660 9547 3662 9601 $$
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 Aug 5, 2:49 PM CDT, 6 hours 35 minutes earlier.
Area forecast discussion, Aug 5, 2:49 PM CDT, 6 hours 35 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 249 PM CDT TUE AUG 5 2003 SURFACE TROF EXTENDS SOUTHWEST FROM AN AREA OF LOW PRESSURE CENTERED JUST SOUTH OF TULSA THIS AFTERNOON. COULD SEES SOME WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ALONG THIS BOUNDARY LATER THIS AFTERNOON AND EVENING AS THE DIURNAL HEATING HELPS ERODE THE CAP THAT IS CURRENTLY IN PLACE. IF ANY THUNDERSTORMS DO DEVELOP THEY WILL HAVE THE POTENTIAL TO BECOME SEVERE WITH A SURFACE BASED CAPE OF 3500 J/KG AND A LI OF -5. THE MAIN SEVERE THREAT WILL BE STRONG THUNDERSTORM WINDS AS DRY AIR WORKS IN AT THE MID LEVELS. WILL GO 20 POPS FOR THE MAJORITY OF THE AREA THIS EVENING. I WILL GO WITH CHANCE POPS ACROSS PORTIONS OF NORTHWEST ARKANSAS AS THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS AFTERNOON/EVENING ACROSS WESTERN MO/EASTERN KS AND MOVE TO THE SOUTHEAST. IT LOOKS LIKE HOT AND DRY CONDITIONS ARE ON TAP FOR THE REST OF THE WEEK AS THE UPPER LEVEL RIDGE CURRENTLY CENTERED OVER THE SOUTHWESTERN UNITED STATES NUDGES TO THE EAST. WILL LEAVE THE EXTENDED PORTION OF THE FORECAST DRY FOR NOW BUT THE GFS IS HINTING AT A POSSIBLE MCS MOVING INTO NORTHERN SECTIONS OF THE FORECAST AREA SATURDAY NIGHT. TUL 75 99 76 97 / 20 10 5 5 FSM 72 98 72 96 / 20 10 10 5 MLC 73 98 73 97 / 20 10 5 5 BVO 71 99 71 95 / 20 10 5 5 FYV 68 91 68 91 / 40 10 10 5 BYV 68 90 68 90 / 40 10 10 5 MKO 73 98 73 96 / 20 10 5 5 MIO 70 94 70 93 / 20 10 10 5 F10 74 98 72 97 / 20 10 5 5 HHW 73 98 73 98 / 20 10 5 5 FORECAST ID= 10 .TSA... AR...NONE. OK...NONE.
Hazardous weather outlook, Aug 5, 9:33 AM CDT, 11 hours 51 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-061100- HAZARDOUS WEATHER OUTLOOK...CORRECTION NATIONAL WEATHER SERVICE TULSA OK 933 AM CDT TUE AUG 5 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TODAY ...SLIGHT CHANCE OF SEVERE THUNDERSTORMS TODAY... WEAK SURFACE LOW PRESSURE IN WESTERN OKLAHOMA THIS MORNING WILL MEANDER SOUTHEAST TODAY AND TONIGHT. INTERSECTING SURFACE BOUNDARIES FROM SHOWERS AND THUNDERSTORMS OVERNIGHT...COULD INDUCE MID TO LATE AFTERNOON THUNDERSTORMS...LASTING INTO THE EVENING. LOW LEVEL MOISTURE IS ABUNDANT...HOWEVER ONCE AN UPPER LEVEL SHORT WAVE CLEARS THE REGION THIS MORNING...UPPER SUPPORT WILL BECOME NEGLIGIBLE AS MID LEVELS REMAIN CAPPED. THE GREATEST LIKELIHOOD FOR THUNDERSTORMS WILL BE EXTREME EASTERN OKLAHOMA AND NORTHWEST AND WEST CENTRALS ARKANSAS. 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...WEDNESDAY THROUGH MONDAY THUNDERSTORMS WILL BE POSSIBLE IN NORTHWEST AND WEST CENTRAL ARKANSAS WEDNESDAY...WITH ONLY ISOLATED THUNDER POSSIBLE IN EASTERN OKLAHOMA. THE REMAINDER OF THE WEEK WILL BE DRY. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 9:00 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Ottawa | 60 min |
| Aug 5, 10:24 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Washington | 66 min |
| Aug 5, 10:26 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Washington | 64 min |
| Aug 5, 10:47 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 58 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.