Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 294, NWS Tulsa, OK

July 12, 2003Adair County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 12, 2003, 6:55 AM CDT for Adair County, Oklahoma. It was in force for 50 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
Jul 12, 2003, 6:55 AM CDT (11:55 UTC)
Expired
Jul 12, 2003, 7:45 AM CDT
In force
50 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Adair County, OK

The radar

The Western Arkansas radar (KSRX), 68 km from the middle of the area, began a volume at 11:59 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
Jul 12, 3:10 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 11.9 hours before the alert went out and 138 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, Springfield, MO at 00:00Z on 2003-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1159 joules per kilogram.LCLEL10008507005003002001001 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, Springfield, MO at 00:00Z on 2003-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.19395878Sfc1 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
1159 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1763 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
309 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 121155
SVRTUL
OKC001-121245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
655 AM CDT SAT JUL 12 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ADAIR COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 745 AM CDT

* AT 655 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2
  MILES SOUTHWEST OF CHRISTIE...MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MARIETTA...
  STILWELL...BUNCH...BARON AND CHRISTIE.

HAIL TO THE SIZE OF PENNIES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE
STORM HAS PASSED.

LAT...LON 3607 9460 3594 9482 3567 9479 3564 9449
          3576 9448

$$

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 Jul 12, 3:39 AM CDT, 3 hours 16 minutes earlier.

Area forecast discussion, Jul 12, 3:39 AM CDT, 3 hours 16 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
339 AM CDT SAT JUL 12 2003

NOT MUCH TIME THIS MORNING TO WORK ON THE AFD. A VERY GOOD FORECAST
TO START WITH AND WILL ONLY SMOOTH IT AND UPDATE THE FIRST PERIOD
REFLECTING THE CURRENT TRENDS AND WATCH. LOOKS LIKE MOST OF THE
ACTION WILL BE THIS MORNING WITH THINGS TAPERING OFF AFTER THAT.
TEMPS LOOK OK FOR THE TIME BEING.

TUL   91   71   91   70  / 60   20   10   10
FSM   92   71   91   70  / 50   20   20   10
MLC   93   71   92   71  / 50   20   20   10
BVO   89   70   89   70  / 60   20   10   10
FYV   87   65   87   66  / 60   20   10   10
BYV   85   65   86   68  / 60   20   10   10
MKO   90   70   92   71  / 50   20   20   10
MIO   88   70   86   70  / 60   20   10   10
F10   91   70   92   71  / 50   20   20   10
HHW   93   71   91   72  / 30   20   20   10

FORECAST ID= 15

.TSA...
AR...NONE.
OK...NONE.
Hazardous weather outlook, Jul 12, 6:00 AM CDT, 55 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-141100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
600 AM CDT SAT JUL 12 2003

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

.DAY ONE...TONIGHT

SEVERE WEATHER OUTLOOK

...CHANCE OF SEVERE THUNDERSTORMS TODAY...

THUNDERSTORMS WILL BE ONGOING THIS MORNING ACROSS PORTIONS OF
NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS AS THE LOW LEVEL JET
REMAINS ACTIVE ACROSS THE AREA. SOME OF THE THUNDERSTORMS COULD BE
SEVERE WITH LARGE HAIL AND WIND GUSTS TO 70 MPH POSSIBLE AS THE
ELEVATED INSTABILITIES REMAIN HIGH. THIS ACTIVITY IS EXPECTED TO
DIMINISH BY MID-MORNING AS THE LOW LEVEL JET WEAKENS.

A FEW ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AS
THE AIRMASS ACROSS THE AREA DESTABILIZES DURING THE HEAT OF THE DAY
AND A WEAK UPPER LEVEL DISTURBANCE MOVES THROUGH EASTERN OKLAHOMA.
THESE THUNDERSTORMS COULD BECOME SEVERE AS WELL WITH LARGE HAIL AND
DAMAGING WINDS 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...MONDAY THROUGH SATURDAY
CONDITIONS ARE EXPECTED TO BE HOT AND DRY MONDAY THROUGH SATURDAY
AS HIGH PRESSURE PREVAILS ALOFT AND AT THE SURFACE.

.SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...SPOTTER
ACTIVATION IS NOT EXPECTED AT THIS TIME.

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

In the hours before

Special weather statement, Jul 12, 2:29 AM CDT, 4 hours 26 minutes before
ARZ002-120830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
229 AM CDT SAT JUL 12 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY EFFECTIVE UNTIL 330 AM CDT FOR THE FOLLOWING COUNTY:

IN NORTHWEST ARKANSAS
     CARROLL

AT 229 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 2 MILES
SOUTHWEST OF COIN...MOVING SOUTHEAST AT 40 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THIS STORM INCLUDE...DENVER...DELMAR...CONNOR...
CARROLLTON...RULE AND COIN.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
ADVISORY IS UPGRADED TO A WARNING.
Special weather statement, Jul 12, 2:32 AM CDT, 4 hours 23 minutes before
ARZ001-010-120800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
232 AM CDT SAT JUL 12 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY EFFECTIVE UNTIL 300 AM CDT FOR THE FOLLOWING
COUNTIES:

IN NORTHWEST ARKANSAS
     BENTON AND WASHINGTON

AT 232 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES
EAST OF GALLITIN...MOVING SOUTHEAST AT 30 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THIS STORM INCLUDE...WALNUT GROVE...HICKS...ROCKY
COMFORT...FAIRMOUNT...HARMON...GALLITIN...HIGHFILL...FAYETTEVILLE...
WEST FORK...PRAIRIE GROVE...FARMINGTON...HOGEYE...WOOLSEY...SULPHUR
CITY...BLACK OAK...GREENLAND...VINEY GROVE...WEDINGTON...SAVOY...
WHEELER AND TONTITOWN.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
ADVISORY IS UPGRADED TO A WARNING.
Special weather statement, Jul 12, 3:09 AM CDT, 3 hours 46 minutes before
ARZ001>002-010>011-019-OKZ054>063-067>070-121300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
309 AM CDT SAT JUL 12 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
#730 UNTIL 800 AM CDT SATURDAY MORNING FOR THE FOLLOWING AREAS:

IN ARKANSAS THIS WATCH INCLUDES 6 COUNTIES...
IN NORTHWEST ARKANSAS:

BENTON                CARROLL               CRAWFORD
MADISON               WASHINGTON

IN WEST CENTRAL ARKANSAS:

FRANKLIN

IN OKLAHOMA THIS WATCH INCLUDES 14 COUNTIES...
IN EAST CENTRAL OKLAHOMA:

CHEROKEE              MUSKOGEE

IN NORTHEAST OKLAHOMA:

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

THIS INCLUDES THE CITIES OF BARTLESVILLE...BENTONVILLE...
BERRYVILLE...BROKEN ARROW...CEDARVILLE...CHARLESTON...CLAREMORE...
EUREKA SPRINGS...FAYETTEVILLE...HUNTSVILLE...JAY...MIAMI...
MOUNTAINBURG...MUSKOGEE...NATURAL DAM...NOWATA...OZARK...PAWHUSKA...
PAWNEE...PRYOR...ROGERS...SAND SPRINGS...SILOAM SPRINGS...
SPRINGDALE...STILWELL...TAHLEQUAH...TULSA...VAN BUREN...VINITA AND
WAGONER.
Special weather statement, Jul 12, 3:32 AM CDT, 3 hours 23 minutes before
ARZ001-120900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
332 AM CDT SAT JUL 12 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY EFFECTIVE UNTIL 400 AM CDT FOR THE FOLLOWING COUNTY:

IN NORTHWEST ARKANSAS
     BENTON

AT 332 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES
NORTHWEST OF PEA RIDGE...MOVING SOUTHEAST AT 35 MPH.

A LARGE PORTION OF EASTERN BENTON COUNTY WILL BE AFFECTED BY THESE
STORMS THROUGH 400 AM CDT.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
ADVISORY IS UPGRADED TO A WARNING.
Special weather statement, Jul 12, 5:42 AM CDT, 1 hour 13 minutes before
OKZ062-063-068-069-121145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
542 AM CDT SAT JUL 12 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY EFFECTIVE UNTIL 645 AM CDT FOR THE FOLLOWING
COUNTIES:

IN NORTHEAST OKLAHOMA
     DELAWARE...MAYES AND ADAIR

IN EAST CENTRAL OKLAHOMA
     CHEROKEE

AT 542 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 7 MILES NORTHWEST OF SALINA TO 2 MILES NORTHEAST
OF COLCORD...MOVING SOUTHEAST AT 40 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THESE STORMS INCLUDE...MARIETTA...STILWELL...BARON...
CHRISTIE...PROCTOR...WESTVILLE...BALLARD...WATTS...OAKS...LEACH...
TWIN OAKS...KANSAS...COLCORD...WEST SILOAM SPRINGS...TAHLEQUAH...
ELDON...PEGGS...SCRAPER...LOCUST GROVE...ROSE AND SALINA.

A LARGE PORTION OF DELAWARE...MAYES...CHEROKEE AND ADAIR COUNTIES
WILL BE AFFECTED BY THESE STORMS THROUGH 645 AM CDT.

THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
ADVISORY IS UPGRADED TO A WARNING.
Special weather statement, Jul 12, 6:44 AM CDT, 11 minutes before
ARZ010-019-OKZ068-069-072-121245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
644 AM CDT SAT JUL 12 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY EFFECTIVE UNTIL 745 AM CDT FOR THE FOLLOWING
COUNTIES:

IN NORTHWEST ARKANSAS
     WASHINGTON AND CRAWFORD

IN EAST CENTRAL OKLAHOMA
     CHEROKEE AND SEQUOYAH

IN NORTHEAST OKLAHOMA
     ADAIR

AT 644 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 2 MILES WEST OF BALLARD TO 10 MILES SOUTHWEST OF
TAHLEQUAH...MOVING SOUTHEAST AT 30 MPH.

A LARGE PORTION OF WASHINGTON...CRAWFORD...CHEROKEE...ADAIR AND
SEQUOYAH COUNTIES WILL BE AFFECTED BY THESE STORMS THROUGH 745 AM
CDT.

THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
ADVISORY IS UPGRADED TO A WARNING.

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.