Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 162, NWS Tulsa, OK

May 10, 2003McIntosh County, Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 10, 2003, 2:45 PM CDT for McIntosh County, Pittsburg County, Oklahoma. It was in force for 75 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, 2:45 PM CDT (19:45 UTC)
Expired
May 10, 2003, 4:00 PM CDT
In force
75 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties McIntosh County, OK, Pittsburg County, OK

The radar

The Norman radar (KTLX), 119 km from the middle of the area, began a volume at 19:45 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.

IssuedProductOfficeLasted
May 10, 11:55 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 7.8 hours before the alert went out and 129 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2003-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3689 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2003-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 304 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3689 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
304 m²/s²
0-3 km storm-relative helicity
309 m²/s²
Significant tornado parameter
5.7
Supercell composite
23.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

883 
WUUS54 KTSA 101945
SVRTUL
OKC091-121-102100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
243 PM CDT SAT MAY 10 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA
  NORTHERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 400 PM CDT

* AT 243 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 20
  MILES WEST OF SCIPIO...MOVING EAST AT 45 MPH.

* AT 243 PM CDT...DOPPLER RADAR ALSO INDICATED A SEVERE THUNDERSTORM 
  ACROSS EXTREME SOUTHEASTERN MCINTOSH AND NORTHEASTERN PITTSBURGH   
  COUNTIES...MOVING EAST AT 45 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...EUFAULA...
  CHECOTAH...HANNA...RAIFORD...VIVIAN...STIDHAM...RENTIESVILLE...
  SCIPIO...BLOCKER...CROWDER...QUINTON...INDIANOLA AND CANADIAN.

HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED 
WITH THE WESTERN MOST STORM...WHILE HAIL TO THE SIZE OF GOLFBALLS 
CAN BE EXPECTED IN THE EASTERN MOST STORM. 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 3503 9643 3486 9634 3507 9536 3558 9540

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, 2:05 PM CDT, 40 minutes earlier.

Area forecast discussion, May 10, 2:05 PM CDT, 40 minutes before
MESOSCALE FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
205 PM CDT SAT MAY 10 2003

A LARGE HEAVY PRECIPITATION SUPERCELL HAS EVOLVED IN SOUTHEAST
OKALHOMA.  TWO MORE CLASSIC SUPERCELLS WERE MOVING ACROSS FAR
NORTHEAST OKLAHOMA.

RECENT LOW-LEVEL STORM-RELATIVE HELICITY ANALYSIS FOR THE 3 CELLS IS
RATHER LOW AT THIS TIME.  HOWEVER BRIEF TORNADOES ARE
POSSIBLE...ESPECIALLY THE SOUTHERN STORM.

VERY LARGE HAIL POTENTIAL EXISTS WITH THE SUPERCELL MOVING INTO
MCINTOSH AND PITTSBURG CO.

FORECAST ID=08

.TSA...
AR...NONE.
OK...NONE
Hazardous weather outlook, May 10, 1:00 PM CDT, 1 hour 45 minutes 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, 2:24 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0224 PM CDT SAT MAY 10 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0219 PM    7 E HANNA                 OK   2.75 IN HAIL
05/10/03   MCINTOSH

SP
Local storm report, May 10, 2:26 PM CDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0226 PM CDT SAT MAY 10 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0224 PM    3 W EUFAULA               OK   1.00 IN HAIL
05/10/03   MCINTOSH

SP
Local storm report, May 10, 2:28 PM CDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0228 PM CDT SAT MAY 10 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0228 PM    EUFAULA                   OK   1.00 IN HAIL
05/10/03   MCINTOSH

SP
Local storm report, May 10, 2:30 PM CDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0230 PM CDT SAT MAY 10 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0205 PM    7 N SCIPIO                OK   2.00 IN HAIL
05/10/03   PITTSBURG

SP
Local storm report, May 10, 2:34 PM CDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0234 PM CDT SAT MAY 10 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0135 PM    2 N VERA                  OK   1.75 IN HAIL
05/10/03   WASHINGTON

SP
Local storm report, May 10, 2:39 PM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0239 PM CDT SAT MAY 10 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0232 PM    6 NE CANADIAN             OK   FX TORNADO
05/10/03   PITTSBURG

SP

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 8:31 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee59 min
May 9, 10:02 PM CDTSevere Thunderstorm WarningTSAWashington43 min
May 9, 10:09 PM CDTSevere Thunderstorm WarningTSANowata66 min
May 9, 11:40 PM CDTTornado WarningTSACreek65 min
May 9, 11:47 PM CDTSevere Thunderstorm WarningTSACreek, Osage, Pawnee43 min
May 9, 11:54 PM CDTSevere Thunderstorm WarningTSATulsa51 min
May 10, 12:21 AM CDTTornado WarningTSACreek54 min
May 10, 12:34 AM CDTTornado WarningTSAOkmulgee, Tulsa56 min
May 10, 1:15 AM CDTTornado WarningTSACreek, Okmulgee, Tulsa45 min
May 10, 1:22 AM CDTTornado WarningTSAWagoner68 min
May 10, 2:29 AM CDTSevere Thunderstorm WarningTSAWagoner46 min
May 10, 2:42 AM CDTSevere Thunderstorm WarningTSAMayes48 min
May 10, 2:49 AM CDTSevere Thunderstorm WarningTSACherokee56 min
May 10, 12:38 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee52 min
May 10, 12:41 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee49 min
May 10, 1:18 PM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee42 min
May 10, 1:25 PM CDTSevere Thunderstorm WarningTSANowata, Rogers, Washington65 min
May 10, 1:35 PM CDTTornado WarningTSANowata, Rogers, Washington70 min
May 10, 1:52 PM CDTTornado WarningTSAMcIntosh, Pittsburg53 min
May 10, 2:01 PM CDTSevere Thunderstorm WarningTSACraig44 min
May 10, 2:25 PM CDTTornado WarningTSAHaskell, Muskogee65 min
May 10, 2:37 PM CDTSevere Thunderstorm WarningTSACraig53 min
May 10, 2:59 PM CDTSevere Thunderstorm WarningTSASequoyah46 min
May 10, 3:03 PM CDTSevere Thunderstorm WarningTSAOttawa57 min
May 10, 3:14 PM CDTSevere Thunderstorm WarningTSARogers31 min
May 10, 3:22 PM CDTSevere Thunderstorm WarningTSAAdair38 min
May 10, 4:00 PM CDTSevere Thunderstorm WarningTSAOttawa60 min
May 10, 4:41 PM CDTSevere Thunderstorm WarningTSALeFlore34 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.