Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 176, NWS Tulsa, OK

May 10, 2003Choctaw County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 10, 2003, 7:56 PM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 49 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, 7:56 PM CDT (00:56 UTC)
Expired
May 10, 2003, 8:45 PM CDT
In force
49 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Choctaw County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 169 km from the middle of the area, began a volume at 00:57 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.9 hours before the alert went out and 198 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 00:00Z on 2003-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2003-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2804 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 110056
SVRTUL
OKC023-127-110145-

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA
  SOUTHERN PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 845 PM CDT

* AT 756 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 12
  MILES NORTHWEST OF SOPER...MOVING EAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...SAWYER...FORT
  TOWSON...SOPER...MESSER...KENT...ANTLERS...RATTAN...CLOUDY...OLETA
  AND KELLOND.

HAIL TO THE SIZE OF NICKELS CAN BE EXPECTED IN THE WARNED AREA. STAY 
INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3427 9597 3404 9596 3400 9515 3437 9513

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, 7:05 PM CDT, 51 minutes earlier.

Area forecast discussion, May 10, 7:05 PM CDT, 51 minutes before
MESOSCALE FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
705 PM CDT SAT MAY 10 2003

THE SLOWLY INCREASING LINE OF STORMS ACROSS THE NORTHEAST CORNER OF
OKLAHOMA HAVE ONLY SLOWLY DEVELOPED.  SOME GRADUAL STRENGTHENING IS
LIKELY AND AN ISOLATED SEVERE CELL IS POSSIBLE ALONG THE LINE.  THE
ATMOSPHERE HAS BEEN STABILIZED SOME BY THE PREVIOUS STORMS...SO THE
POTENTIAL IS LIMITED ENOUGH THAT THE SPC WATCH IN ADVANCE OF THIS
LINE WILL NOT BE EXTENDED.

FORECAST ID=08

.TSA...
AR...NONE.
OK...NONE
Hazardous weather outlook, May 10, 1:00 PM CDT, 6 hours 56 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, 4:43 PM CDT, 3 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0443 PM CDT SAT MAY 10 2003

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

0442 PM    FORT SMITH                AR   1.75 IN HAIL
05/10/03   SEBASTIAN

SP
Special weather statement, May 10, 5:00 PM CDT, 2 hours 56 minutes before
ARZ020-102230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
500 PM CDT SAT MAY 10 2003

...SIGNIFICANT WEATHER ALERT IN EFFECT FOR FRANKLIN COUNTY UNTIL 530
   PM CDT...

AT 500 PM CDT...DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS
MOVING OUT OF CRAWFORD AND SEBASTION COUNTIES INTO FRANKLIN COUNTY.
THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR.
SMALL HAIL AND WIND GUST TO 40 MILES AN HOUR ARE POSSIBLE WITH THESE
STORMS.
Local storm report, May 10, 5:20 PM CDT, 2 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0520 PM CDT SAT MAY 10 2003

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

0512 PM    1 N CHARLESTON            AR   0.88 IN HAIL
05/10/03   FRANKLIN

SP
Local storm report, May 10, 5:29 PM CDT, 2 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0529 PM CDT SAT MAY 10 2003

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

1225 AM    1 W DEPEW                 OK   F1 TORNADO
05/10/03   CREEK                          300 YARD PATH WIDTH.  PATH
                                          LENGTH 2 MILES.  ENDED 1 NE
                                          DEPEW AT 1231 AM CDT. LOTS
                                          OF SNAPPED TREES.  MINOR
                                          DAMAGE TO A FEW STRUCTURES
                                          ON THE FRINGE OF THE PATH.

SP
Special weather statement, May 10, 6:59 PM CDT, 57 minutes before
ARZ001-OKZ058-062-063-068-069-110100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
659 PM CDT SAT MAY 10 2003

...SIGNIFICANT WEATHER ALERT IN EFFECT FOR BENTON...OTTAWA...
   DELAWARE...MAYES...CHEROKEE AND ADAIR COUNTIES UNTIL 800 PM CDT...

AT 659 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 13 MILES NORTHEAST OF GROVE TO 4 MILES SOUTHWEST
OF SALINA...MOVING EAST AT 20 MPH. THESE STORMS WILL BE CAPABLE OF
PRODUCING SMALL HAIL AND WIND GUSTS TO 50 MPH. THE COMMUNITIES OF
WESTVILLE...BALLARD...WATTS...JAY...OAKS...LEACH...TWIN OAKS...
KANSAS...COLCORD...CHLOETA...ZENA...GROVE...WEST SILOAM SPRINGS...
SCRAPER...LOCUST GROVE...ROSE...SALINA...SPAVINAW...LANGLEY...
DISNEY...SILOAM SPRINGS...SULPHUR SPRINGS...GENTRY...MAYSVILLE...
GRAVETTE...LAKE FRANCIS...GALLITIN...SPRINGTOWN...HIGHFILL...CHEROKEE
CITY...VAUGHN...DECATUR...CENTERTON...HIWASSE AND BELLA VISTA WILL BE
AFFECTED BY THESE STORMS THROUGH 800 PM CDT.
Special weather statement, May 10, 7:55 PM CDT, 1 minute before
OKZ049-053-110200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
755 PM CDT SAT MAY 10 2003

...SIGNIFICANT WEATHER ALERT IN EFFECT FOR PUSHMATAHA AND CHOCTAW
   COUNTIES UNTIL 900 PM CDT...

AT 755 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 11
MILES SOUTHWEST OF DARWIN...MOVING EAST AT 30 MPH. THIS STORM WILL BE
CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 50 MPH. THE
COMMUNITIES OF SAWYER...FORT TOWSON...SWINK...SOPER...MESSER...
KENT...SOBOL...SPEER...APPLE...ANTLERS...CORINNE...DELA...RATTAN...
CLOUDY...OLETA...DARWIN AND KELLOND WILL BE AFFECTED BY THIS STORM
THROUGH 900 PM CDT.

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 8:28 PM CDTSevere Thunderstorm WarningTSAChoctaw47 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.