Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 270, NWS Tulsa, OK

June 11, 2003McIntosh County, Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 11, 2003, 11:35 PM CDT for McIntosh County, Pittsburg County, Oklahoma. It was in force for 55 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
Jun 11, 2003, 11:35 PM CDT (04:35 UTC)
Expired
Jun 12, 2003, 12:30 AM CDT
In force
55 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 Tulsa radar (KINX), 127 km from the middle of the area, began a volume at 04:39 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
Jun 11, 10:25 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.6 hours before the alert went out and 143 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 2003-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4834 joules per kilogram.LCLLFCEL10008507005003002001001 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 2003-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 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
4834 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1070 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 120435
SVRTUL
OKC091-121-120530-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1135 PM CDT WED JUN 11 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 1230 AM CDT

* AT 1135 PM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS     
  UP TO 65 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 42 MILES     
  NORTHWEST OF HANNA TO 22 MILES SOUTH OF                            
  ASHLAND...MOVING EAST AT 35 MPH.

* SOME LOCATIONS AFFECTED INCLUDE... EUFAULA...CHECOTAH...HANNA...
  RAIFORD...VIVIAN...STIDHAM...RENTIESVILLE...MCALESTER...KIOWA...
  BLANCO...ASHLAND...SAVANNA...HARTSHORNE...HAYWOOD...ALDERSON...
  KREBS...SCIPIO...BLOCKER...CROWDER...INDIANOLA AND CANADIAN.

DAMAGING WINDS ARE LIKELY WITH THESE STORMS...MOVE TO A SAFE PLACE
NOW. MOBILE HOMES AND VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO HIGH
WINDS AND MAY BE OVERTURNED.

LAT...LON 3537 9595 3431 9626 3465 9556 3555 9546

$$

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 Jun 11, 10:50 PM CDT, 45 minutes earlier.

Area forecast discussion, Jun 11, 10:50 PM CDT, 45 minutes before
MESOSCALE FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
1050 PM CDT WED JUN 11 2003

LINEAR CONVECTIVE COMPLEX WILL CONTINUE INTO EASTERN OKLAHOMA WITH
WARNING OPERATIONS LIKELY TO COMMENCE GIVEN PROGGED INSTABILITY
AWAITING APPROACHING LINE.  THREAT FOR DAMAGING WINDS WILL ACCOMPANY
THE ENTIRE LINE.  GREATEST POTENTIAL FOR EXTREME WINDS WILL BE
ACROSS SOUTHEAST OKLAHOMA WHERE DOWNDRAFT CAPE AND LOW LEVEL LAPSE
RATES ARE CURRENTLY MAXIMIZED.  STRENGTHENING LOW LEVEL JET AND DEEP
MOISTURE FIELDS OVER THE ENTIRE AREA SUGGEST CONVECTIVE COMPLEX WILL
LIKELY TRAVERSE THE ENTIRE CWA.

FORECAST ID= 07

.TSA...
AR...NONE.
OK...NONE.
Hazardous weather outlook, Jun 11, 10:30 PM CDT, 1 hour 5 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-121100-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
1030 PM CDT WED JUN 11 2003

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TONIGHT

SEVERE WEATHER OUTLOOK

...WIDESPREAD SEVERE THUNDERSTORMS EXPECTED OVERNIGHT...

A LINE OF SEVERE THUNDERSTORMS WAS MOVING RAPIDLY EAST ACROSS
CENTRAL OKLAHOMA AT 1030 PM. THIS LINE OF STORMS WILL CONTINUE
MOVING EAST AND NORTHEAST ACROSS EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS OVERNIGHT. DAMAGING WINDS OF 60 TO 80 MILES AN HOUR WILL BE
LIKELY WITH THESE STORMS AND ONE OR TWO STORMS MAY ALSO PRODUCE HAIL
UP TO PENNY SIZE.

STRONG INSTABILITY REMAINS AHEAD OF THE LINE SO THE STORMS SHOULD
REMAIN SEVERE AS THEY MOVE ACROSS THE AREA. INSTABILITY IS SLIGHTLY
WEAKER IN FAR NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS SO THE
STORMS MAY START TO WEAKEN AS THEY MOVE INTO THAT AREA BUT DAMAGING
WINDS WILL REMAIN POSSIBLE.

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...THURSDAY THROUGH TUESDAY
UNSETTLED WEATHER WILL PERSIST THROUGH THIS PERIOD WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS EACH DAY.

.SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION WILL BE REQUIRED OVERNIGHT.

ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT...
WWW.SRH.NOAA.GOV/TULSA

In the hours before

Special weather statement, Jun 11, 10:21 PM CDT, 1 hour 14 minutes before
ARZ001-010-019>020-029-OKZ049-053>076-120800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1021 PM CDT WED JUN 11 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
#524 UNTIL 300 AM CDT THURSDAY MORNING FOR THE FOLLOWING AREAS:

IN ARKANSAS THIS WATCH INCLUDES 5 COUNTIES...
IN NORTHWEST ARKANSAS:

BENTON                CRAWFORD              WASHINGTON

IN WEST CENTRAL ARKANSAS:

FRANKLIN              SEBASTIAN

IN OKLAHOMA THIS WATCH INCLUDES 25 COUNTIES...
IN EAST CENTRAL OKLAHOMA:

CHEROKEE              MUSKOGEE              OKFUSKEE
SEQUOYAH

IN NORTHEAST OKLAHOMA:

ADAIR                 CRAIG                 CREEK
DELAWARE              MAYES                 NOWATA
OKMULGEE              OSAGE                 OTTAWA
PAWNEE                ROGERS                TULSA
WAGONER               WASHINGTON

IN SOUTHEAST OKLAHOMA:

CHOCTAW               HASKELL               LATIMER
LE FLORE              MCINTOSH              PITTSBURG
PUSHMATAHA

THIS INCLUDES THE CITIES OF ANTLERS...BARTLESVILLE...BENTONVILLE...
BRISTOW...BROKEN ARROW...CEDARVILLE...CLAREMORE...CLAYTON...
EUFAULA...FAYETTEVILLE...FORT SMITH...HUGO...JAY...MCALESTER...
MIAMI...MOUNTAINBURG...MUSKOGEE...NATURAL DAM...NOWATA...OKEMAH...
OKMULGEE...OZARK...PAWHUSKA...PAWNEE...POTEAU...PRYOR...ROGERS...
SALLISAW...SAND SPRINGS...SILOAM SPRINGS...SPRINGDALE...STIGLER...
STILWELL...TAHLEQUAH...TULSA...VAN BUREN...VINITA...WAGONER AND
WILBURTON.
Special weather statement, Jun 11, 10:27 PM CDT, 1 hour 8 minutes before
OKZ059-064-065-120430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1027 PM CDT WED JUN 11 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY EFFECTIVE UNTIL 1130 PM CDT FOR THE FOLLOWING
COUNTIES:

IN NORTHEAST OKLAHOMA
     PAWNEE AND CREEK

IN EAST CENTRAL OKLAHOMA
     OKFUSKEE

AT 1027 PM CDT...DOPPLER RADAR INDICATED STRONG TO SEVERE
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR BISON IN GARFIELD
COUNTY TO LUTHER IN EASTERN OKLAHOMA COUNTY. THESE THUNDERSTORMS ARE
MOVING EAST AT 40 MPH AND WILL BE ENTERING CREEK...PAWNEE AND
OKFUSKEE COUNTIES BY 1130 PM. THESE STORMS HAVE A HISTORY OF
PRODUCING WIND GUSTS IN EXCESS OF 60 MPH.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE ADVISORY IS
UPGRADED TO A WARNING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 11:18 PM CDTSevere Thunderstorm WarningTSACreek, Okfuskee, Pawnee57 min
Jun 11, 11:58 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha62 min
Jun 12, 12:11 AM CDTSevere Thunderstorm WarningTSAHaskell, Latimer49 min
Jun 12, 12:25 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee50 min
Jun 12, 12:45 AM CDTSevere Thunderstorm WarningTSALeFlore45 min
Jun 12, 1:02 AM CDTSevere Thunderstorm WarningTSAHaskell, Sequoyah43 min
Jun 12, 1:25 AM CDTSevere Thunderstorm WarningTSALeFlore50 min
Jun 12, 1:56 AM CDTSevere Thunderstorm WarningTSACraig, Nowata34 min
Jun 12, 2:20 AM CDTSevere Thunderstorm WarningTSAOttawa40 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.