Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 155, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 10, 2003, 2:49 AM CDT for Cherokee County, Oklahoma. It was in force for 56 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, 2:49 AM CDT (07:49 UTC)
- Expired
- May 10, 2003, 3:45 AM CDT
- In force
- 56 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Cherokee County, OK
The radar
The Tulsa radar (KINX), 51 km from the middle of the area, began a volume at 07:51 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 |
|---|---|---|---|
| May 9, 11:10 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 7.8 hours before the alert went out and 141 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
- 2291 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 7.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 100749 SVRTUL OKC021-100845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 249 AM CDT SAT MAY 10 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA * UNTIL 345 AM CDT * AT 249 AM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES NORTH OF PEGGS TO 10 MILES SOUTHWEST OF PEGGS...MOVING EAST AT 40 MPH. * SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...OAKS...PEGGS AND SCRAPER. HAIL TO THE SIZE OF NICKELS 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 3618 9508 3595 9528 3594 9480 3617 9480
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 May 10, 2:08 AM CDT, 41 minutes earlier.
Area forecast discussion, May 10, 2:08 AM CDT, 41 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 208 AM CDT SAT MAY 10 2003 LATEST PROFILER DATA SUGGESTS THAT THE NUMERIC MODEL MAY BE CORRECT AND THE UPPER-LEVEL WIND FIELDS THAT HAVE BEEN SUPPORTING THE STORM MAY BE COLLAPSING. THE RADAR PRESENTATION OF THE STORM IS DETERIORATING AND THE THREAT APPEARS TO BE EASING. ITS BECOMING MORE LIKELY THAT THE STORM WILL CONTINUE TO WEAKEN. AS WE HAVE SEEN SEVERAL TIMES IN THE LAST 24 HOURS...STORMS IN CAPPED ENVIRONMENTS NEED THEIR CIRCULATION TO HELP SUPPORT THE UPDRAFT. WITHOUT THE CIRCULATION THE CELL CAN DIE QUICKLY. FORECAST ID= 08 .TSA... AR...NONE. OK...NONE.
Hazardous weather outlook, May 9, 11:15 PM CDT, 3 hours 34 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-101100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 1115 PM CDT FRI MAY 9 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...THROUGH TONIGHT SEVERE WEATHER OUTLOOK ...TORNADIC SUPERCELL THUNDERSTORM WILL LIKELY MOVE INTO NORTHEAST OKLAHOMA AFTER MIDNIGHT... ...DANGEROUS WEATHER SITUATION DEVELOPING ACROSS NORTHEAST OKLAHOMA... A TORNADIC THUNDERSTORM HAS MOVED THROUGH THE WESTERN AND NORTHERN PARTS OF THE OKLAHOMA CITY METROPOLITAN AREA. STORM SPOTTERS HAVE REPORTED A LARGE AND DESTRUCTIVE TORNADO WITH THIS STORM AS IT MOVED THROUGH THE OKLAHOMA CITY AREA. ENVIRONMENTAL PARAMETERS REMAIN VERY FAVORABLE FOR THIS SUPERCELL THUNDERSTORM TO CONTINUE MOVING EAST NORTHEAST INTO NORTHEAST OKLAHOMA. THE POTENTIAL FOR TORNADIC DEVELOPMENT IS VERY HIGH IN CREEK...OKMULGEE AND TULSA COUNTIES. PRESENT INDICATIONS SUGGEST THAT THE TORNADIC STORM WILL BEGIN AFFECTING CREEK COUNTY BY SHORTLY AFTER MIDNIGHT AND TORNADO WARNINGS WILL LIKELY BE ISSUED PRIOR TO THIS TIME. INSTABILITY IS SLIGHTLY LESS EAST OF TULSA AND THE CAP IS A BIT STRONGER TO THE EAST AS WELL SO THE THUNDERSTORM MAY BEGIN TO WEAKEN AFTER IT MOVES EAST OF TULSA AND OKMULGEE COUNTIES. THERE IS SOME UNCERTAINTY IN THIS FORECAST SO PEOPLE LIVING IN WAGONER...ROGERS...CHEROKEE...MAYES...ADAIR AND DELAWARE COUNTIES SHOULD ALSO CLOSELY MONITOR THIS THUNDERSTORM. ADDITIONAL THUNDERSTORM DEVELOPMENT WILL BE POSSIBLE OVERNIGHT WITH LARGE HAIL BEING THE MAIN THREAT WITH ANY NEW STORMS. 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...SATURDAY THROUGH THURSDAY THE UPPER LEVEL SYSTEM MOVING OUT INTO THE PLAINS TONIGHT AND SATURDAY WILL PUSH A COLD FRONT ACROSS THE AREA. A CHANCE OF THUNDERSTORMS WILL CONTINUE INTO SATURDAY ALONG AND AHEAD OF THE FRONT UNTIL THE FRONT CLEARS THE AREA DURING THE AFTERNOON. DRY WEATHER WILL THEN PREVAIL FOR A FEW DAYS TILL THE NEXT CHANCE OF THUNDERSTORMS DEVELOPS BY TUESDAY. THERE WILL ALSO BE A CONTINUED CHANCE OF THUNDERSTORMS THROUGH WEDNESDAY AND THURSDAY OF NEXT WEEK. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION WILL BE REQUIRED TONIGHT IN NORTHEAST OKLAHOMA. SPOTTER ACTIVATION MAY BE REQUIRED ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. SPOTTERS AND EMERGENCY OFFICIALS SHOULD CLOSELY MONITOR THE LATEST WARNINGS AND STATEMENT FOR CRITICAL WEATHER INFORMATION. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Special weather statement, May 9, 11:08 PM CDT, 3 hours 41 minutes before
OKZ064-100445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1108 PM CDT FRI MAY 9 2003 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR CREEK COUNTY UNTIL 1140 PM CDT... AT 1108 PM CDT...DOPPLER RADAR INDICATED A TORNADIC THUNDERSTORM 35 MILES WEST OF MILFAY...MOVING EAST-NORHTEAST AT 25 MPH. STORM SPOTTERS REPORTED HAVE REPORTED A LARGE DAMAGING TORNADO ACCOMPANYING THIS STORM. TORNADO WARNINGS WILL BE ISSUED FOR CREEK COUNTY APPROXIMATELY 30 MINUTES PRIOR TO ARRIVAL ASSUMING THE STORM MAINTAINS ITS CURRENT CHARACTERISTICS. RESIDENTS...EMERGENCY MANAGEMENT...AND SPOTTERS IN CREEK COUNTY SHOULD PREPARE THEMSELVES FOR A TORNADIC EVENT AND CLOSELY MONITOR THE LATEST WEATHER STATEMENTS AND WARNINGS ISSUED BY THE NATIONAL WEATHER SERVICE IN TULSA.
Special weather statement, May 9, 11:18 PM CDT, 3 hours 31 minutes before
OKZ065-100445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1118 PM CDT FRI MAY 9 2003 ...URGENT MESSAGE... WE HAVE RECEIVED REPORTS OF A MAJOR TRAFFIC JAM IN STROUD. THE MEDIA IN TULSA IS URGED TO IMMEDIATELY PLEA THAT PEOPLE DO NOT ATTEMPT TO DRIVE TOWARD OKLAHOMA CITY FROM TULSA. MANY PEOPLE ARE SAID TO BE IN GREAT DANGER IN STOPPED VEHICLES AS THE TORNADO CONTINUES TO THE NORTHEAST ALONG THE I-44 CORRIDOR. WWUS84 KTSA 100421 RRA SPSTUL OKZ060-064-065-100500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1118 PM CDT FRI MAY 9 2003 ...URGENT MESSAGE... WE HAVE RECEIVED REPORTS OF A MAJOR TRAFFIC JAM IN STROUD. THE MEDIA IN TULSA IS URGED TO IMMEDIATELY PLEA THAT PEOPLE DO NOT ATTEMPT TO DRIVE TOWARD OKLAHOMA CITY FROM TULSA. MANY PEOPLE ARE SAID TO BE IN GREAT DANGER IN STOPPED VEHICLES AS THE TORNADO CONTINUES TO THE NORTHEAST ALONG THE I-44 CORRIDOR.
Special weather statement, May 9, 11:18 PM CDT, 3 hours 31 minutes before
OKZ060-064-065-100500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1118 PM CDT FRI MAY 9 2003 ...URGENT MESSAGE... WE HAVE RECEIVED REPORTS OF A MAJOR TRAFFIC JAM IN STROUD. THE MEDIA IN TULSA IS URGED TO IMMEDIATELY PLEA THAT PEOPLE DO NOT ATTEMPT TO DRIVE TOWARD OKLAHOMA CITY FROM TULSA. MANY PEOPLE ARE SAID TO BE IN GREAT DANGER IN STOPPED VEHICLES AS THE TORNADO CONTINUES TO THE NORTHEAST ALONG THE I-44 CORRIDOR.
Special weather statement, May 10, 12:11 AM CDT, 2 hours 38 minutes before
OKZ060-066-100615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1211 AM CDT SAT MAY 10 2003 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR TULSA AND NORHTERN OKMULGEE COUNTIES UNTIL 1235 AM CDT... AT 1211 AM CDT...DOPPLER RADAR INDICATED A TORNADIC THUNDERSTORM 39 MILES WEST OF GLENPOOL...MOVING NORTHEAST AT 35 MPH. THE COMMUNITIES OF HECTORVILLE...TULSA...BIXBY...JENKS AND GLENPOOL WILL BE AFFECTED BY THIS STORM THROUGH 115 AM CDT. TORNADO WARNINGS WILL BE REQUIRED FOR NORTHERN OKMULGEE AND TULSA COUNTIES FOR THE TORNADIC STORM NOW ENTERING CREEK COUNTY. TORNADO WARNINGS WILL BE ISSUED APPROXIMATELY 30 MINUTES PRIOR TO THE TORNADIC PORTION OF THE STORM ENTERING TULSA AND NORTHERN OKMULGEE COUNTIES. RESIDENTS AND EMERGENCY MANAGEMENT IN TULSA AND OKMULGEE COUNTIES SHOULD PREPARE FOR A TORNADIC EVENT.
Special weather statement, May 10, 12:56 AM CDT, 1 hour 53 minutes before
OKZ067-100615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1256 AM CDT SAT MAY 10 2003 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR WAGONER COUNTY UNTIL 115 AM CDT... AT 1256 AM CDT...DOPPLER RADAR INDICATED A TORNADIC THUNDERSTORM 34 MILES WEST OF STONEBLUFF...MOVING EAST AT 30 MPH. THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TORNADO WARNING WILL BE ISSUED APPROXIMATELY 30 MINUTES PRIOR TO THE TORNADIC CIRCULATION ENTERING WAGONER COUNTY. RESIDENTS AND EMERGENCY MANAGEMENT IN WAGONER COUNTY SHOULD PREPARE NOW FOR A TORNADIC EVENT.
Special weather statement, May 10, 2:00 AM CDT, 49 minutes before
OKZ062-068-100745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 200 AM CDT SAT MAY 10 2003 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR SOUTHERN MAYES AND NORTHERN CHEROKEE COUNTIES UNTIL 245 AM CDT... AT 200 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 24 MILES SOUTHWEST OF MAZIE...MOVING EAST AT 30 MPH. THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. RECENT RADAR TRENDS SHOW A WEAKENING TREND HOWEVER THIS REMAINS A DANGEROUS STORM WITH TORNADIC POTENTIAL. RESIDENTS AND EMERGENCY MANAGEMENT IN SOUTHERN MAYES AND NORTHERN CHEROKEE COUNTIES SHOULD CLOSELY MONITOR THE LATEST WARNINGS AND AND STATEMENTS.
The 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, 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, 4:00 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 60 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.