Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 171, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 10, 2003, 4:00 PM CDT for Ottawa County, Oklahoma. It was in force for 60 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, 4:00 PM CDT (21:00 UTC)
- Expired
- May 10, 2003, 5:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Ottawa County, OK
The radar
The Tulsa radar (KINX), 103 km from the middle of the area, began a volume at 21:00 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, 9.0 hours before the alert went out and 89 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.
501
WUUS54 KTSA 102100
SVRTUL
OKC115-102200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
358 PM CDT SAT MAY 10 2003
THE NATIONAL WEATHER SERVICE IN TULSA HAS CONTINUED A
* SEVERE THUNDERSTORM WARNING FOR...
OTTAWA COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 500 PM CDT
* AT 358 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
A LINE EXTENDING FROM 8 MILES EAST OF QUAPAW TO 7 MILES
SOUTHWEST OF NARCISSA...MOVING NORTHEAST AT 35 MPH. THE STRONGEST
THUNDERSTORMS WERE NEAR PEORIA AND SOUTHWEST OF NARCISSA.
* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...MIAMI...
FAIRLAND...NARCISSA...WYANDOTTE AND QUAPAW.
HAIL TO THE SIZE OF NICKELS 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 3699 9477 3683 9500 3669 9502 3671 9467
3700 9460What 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, 18 minutes earlier.
Area forecast discussion, May 10, 3:42 PM CDT, 18 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 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, 3:31 PM CDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0331 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0330 PM 7 N MULDROW OK 2.75 IN HAIL
05/10/03 SEQUOYAH
SPLocal storm report, May 10, 3:47 PM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0347 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM FIGURE FIVE AR 2.75 IN HAIL
05/10/03 CRAWFORD
SPLocal storm report, May 10, 3:50 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0350 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0349 PM FORT SMITH AR 0.88 IN HAIL
05/10/03 SEBASTIAN
SPLocal storm report, May 10, 3:51 PM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0351 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0347 PM 2 S CEDARVILLE AR 1.00 IN HAIL
05/10/03 CRAWFORD
SPLocal storm report, May 10, 3:53 PM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0353 PM CDT SAT MAY 10 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0353 PM FORT SMITH AR 1.00 IN HAIL
05/10/03 SEBASTIAN
SPLocal storm report, May 10, 3:55 PM CDT, 5 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
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, 4:41 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 34 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.