Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 403, NWS Tulsa, OK

August 23, 2003Muskogee County, Sequoyah County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 23, 2003, 6:14 PM CDT for Muskogee County, Sequoyah County, Oklahoma. It was in force for 61 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
Aug 23, 2003, 6:14 PM CDT (23:14 UTC)
Expired
Aug 23, 2003, 7:15 PM CDT
In force
61 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Muskogee County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 55 km from the middle of the area, began a volume at 23:16 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

Springfield, MO (KSGF), launched 12:00Z, 11.2 hours before the alert went out and 194 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 12:00Z on 2003-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 924 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, Springfield, MO at 12:00Z on 2003-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
924 J/kg
Mixed-layer CIN
-222 J/kg
Mixed-layer LCL
1299 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
63 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 232314
SVRTUL
OKC101-135-240015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
614 PM CDT SAT AUG 23 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA

* UNTIL 715 PM CDT

* AT 614 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
  A LINE EXTENDING FROM 2 MILES NORTH OF GORE TO 4 MILES EAST OF
  BRUSHY...MOVING SOUTHWEST AT 25 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...SALLISAW...
  GANS...VIAN...GORE...BRUSHY...MARBLE CITY...BRIARTOWN...PORUM AND
  WEBBERS FALLS.

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 3535 9467 3534 9483 3543 9497 3541 9510
          3527 9524 3535 9538 3565 9518 3564 9447

$$

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 Aug 23, 2:10 PM CDT, 4 hours 4 minutes earlier.

Area forecast discussion, Aug 23, 2:10 PM CDT, 4 hours 4 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
210 PM CDT SAT AUG 23 2003

VERY HOT WEATHER TO CONTINUE FOR THE NEXT SEVERAL DAYS WITH LITTLE
RELIEF IN SITE THROUGH MID WEEK. WILL GO AHEAD AND ISSUE A HEAT
ADVISORY FOR TULSA COUNTY THROUGH MONDAY.  DANGEROUS AFTERNOON HEAT
INDICES WILL CONTINUE IN THE 105 AND 110 DEG RANGE WITH OVERNIGHT
LOWS AROUND 80 IN THE TULSA METRO FOR AT LEAST THE NEXT COUPLE OF
NIGHTS.

SECOND CONCERN IS THE SEVERE WEATHER POTENTIAL FOR THIS AFTERNOON.
ANOTHER ROUND OF SCATTERED STRONG TO SEVERE THUNDERSTORMS APPEARS
LIKELY ACROSS PORTIONS OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
FRONTAL BOUNDARY CURRENTLY DRAPED ACROSS NORTHEAST OKLAHOMA/
NORTHWEST ARKANSAS NEAR A TULSA/FYV LINE.  SOUTH OF THE BOUNDARY
LIS RUNNING AROUND -8 DEG C WITH SBCAPES AROUND 3000 J/KG.  EXPECT
THUNDERSTORM INITIATION IN THE NEXT COUPLE OF HOURS ALONG THE FRONT
AND FURTHER SOUTH AND EAST IN THE DEEPER MOISTURE/HIGHER TERRAIN.
MAIN THREAT BEING DAMAGING DOWNBURST WINDS...ALTHOUGH COULD SEE A
FEW LARGE HAIL PRODUCING STORMS.

BUMPS TEMPS UP MONDAY THROUGH WEDNESDAY GIVEN VERY LITTLE CHANGE IN
OVERALL PATTERN WITH LIMITED CLOUD COVER. NEXT COLD FRONT EXPECTED
FRIDAY INTO FRIDAY NIGHT WITH DECENT CHANCE FOR PRECIP WITH FROPA...
COOLER TEMPS INTO SATURDAY (HOPEFULLY).

PRELIM NUMBERS:

TUL    79  103   80  103 /  20   10   10   10
FSM    75  102   75  102 /  20   20   10   10
MLC    73  100   73  100 /  30   10   10   10
BVO    72  103   72  103 /  10   10   10   10
FYV    70   98   71   98 /  20   10   10   10
BYV    70   96   70   96 /  20   20   10   10
MKO    73  102   73  102 /  30   10   10   10
MIO    70  102   72  101 /  20   10   10   10
F10    73  100   73  100 /  30   10   10   10
HHW    73   98   74   98 /  30   10   10   10

FORECAST ID= 12

.TSA...
AR...NONE.
OK...HEAT ADVISORY THROUGH MONDAY FOR ZONE OKZ060.
Hazardous weather outlook, Aug 23, 12:50 PM CDT, 5 hours 24 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-241100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1250 PM CDT SAT AUG 23 2003

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

SEVERE WEATHER OUTLOOK

...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING...

.DAY ONE...THIS AFTERNOON AND TONIGHT
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID TO LATE
AFTERNOON ACROSS SOUTHEASTERN OKLAHOMA AND NORTHWEST
ARKANSAS...MAINLY SOUTH OF A FAYETTEVILLE TO MCALESTER LINE.
WIDELY SCATTERED THUNDERSTORMS WILL BE POSSIBLE ACROSS NORTHEAST
OKLAHOMA. THE THUNDERSTORMS WILL INITIATE IN THE HIGHER TERRAIN
AREAS AND ALONG OUTFLOW BOUNDARIES FROM THE OVERNIGHT THUNDERSTORMS
IN ARKANSAS. THUNDERSTORM DEVELOPMENT WILL BE AIDED BY A MID-LEVEL
SHORTWAVE MOVING ACROSS SOUTHEASTERN OKLAHOMA. ANY THUNDERSTORMS
THAT DEVELOP THIS AFTERNOON AND EVENING WILL HAVE THE POTENTIAL TO
BECOME SEVERE WITH 70 MPH WIND GUSTS AND LARGE HAIL POSSIBLE. THE
THUNDERSTORMS ARE EXPECTED TO DISSIPATE SHORTLY AFTER SUNSET WITH
THE LOSS OF SURFACE HEATING.

THE SPELL OF VERY HOT WEATHER WILL ALSO CONTINUE ACROSS THE AREA
TODAY.  AFTERNOON HEAT INDICES WILL AGAIN RUN IN THE 104 TO 110
RANGE ACROSS MUCH OF THE AREA.

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
AN UPPER RIDGE OF HIGH PRESSURE WILL CONTINUE TO RESULT IN HOT AND
GENERALLY DRY WEATHER THROUGH THE PERIOD.  THERE WILL BE LOW CHANCES
FOR THUNDERSTORMS AROUND TUESDAY...AND THEN AGAIN LATE IN THE WEEK
BY FRIDAY.

.SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...SPOTTERS AND
EMERGENCY MANAGEMENT PERSONNEL SHOULD CONTINUE TO MONITOR THE LATEST
CONDITIONS AND BE PREPARED FOR POSSIBLE ACTIVATION THIS AFTERNOON
AND EVENING.

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

In the hours before

Local storm report, Aug 23, 4:26 PM CDT, 1 hour 48 minutes before
PRELIMINARY LOCAL STORM REPORT : CORRECTION
NATIONAL WEATHER SERVICE TULSA OK
0426 PM CDT SAT AUG 23 2003

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

0320 PM    HOMINY                    OK   70 MPH TSTORM WIND
08/23/03   OSAGE                          ESTIMATED BY A TRAINED
                                          SPOTTER

0310 PM    HOMINY                    OK   WIND DAMAGE
08/23/03   OSAGE                          SEVERAL BUILDINGS WITH
                                          ROOF DAMAGE. TREES AND
                                          POWER POLES DOWN

HMN
Local storm report, Aug 23, 4:52 PM CDT, 1 hour 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0452 PM CDT SAT AUG 23 2003

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

0443 PM    TAHLEQUAH                 OK   0.88 IN HAIL
08/23/03   CHEROKEE                       REPORTED BY EMERGENCY
                                          MANAGEMENT

0435 PM    TAHLEQUAH                 OK   60 MPH TSTORM WIND
08/23/03   CHEROKEE                       REPORTED BY TAHLEQUAH
                                          EMERGENCY MANAGEMENT

HMN
Special weather statement, Aug 23, 4:54 PM CDT, 1 hour 20 minutes before
OKZ062-067-232300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
454 PM CDT SAT AUG 23 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 600 PM CDT
FOR THE FOLLOWING COUNTIES:

IN NORTHEAST OKLAHOMA
     MAYES AND WAGONER

AT 454 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 3 MILES SOUTH OF MURPHY TO 5 MILES NORTHEAST OF
WAGONER...MOVING NORTHWEST AT 25 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THESE STORMS INCLUDE...WAGONER...MAZIE...MURPHY AND
CHOUTEAU.

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.
Local storm report, Aug 23, 5:20 PM CDT, 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0520 PM CDT SAT AUG 23 2003

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

0510 PM    MOYERS                    OK   0.75 IN HAIL
08/23/03   PUSHMATAHA                     REPORTED BY PUBLIC

HMN
Special weather statement, Aug 23, 5:25 PM CDT, 49 minutes before
ARZ010-019-OKZ069-072-232330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
525 PM CDT SAT AUG 23 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 630 PM CDT
FOR THE FOLLOWING COUNTIES:

IN NORTHWEST ARKANSAS
     WASHINGTON AND CRAWFORD

IN NORTHEAST OKLAHOMA
     ADAIR

IN EAST CENTRAL OKLAHOMA
     SEQUOYAH

AT 525 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES
WEST OF ODELL...MOVING SOUTHWEST AT 10 MPH. SOME LOCATIONS THAT WILL
BE AFFECTED BY THIS STORM INCLUDE...UNIONTOWN...ODELL...SHORT...
MORROW AND NATURAL DAM.

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.
Local storm report, Aug 23, 6:14 PM CDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0614 PM CDT SAT AUG 23 2003

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

0515 PM    7 NE WAGONER              OK   0.75 IN HAIL
08/23/03   WAGONER                        REPORTED BY WAGONER COUNTY
                                          SHERIFF OFFICE

0512 PM    6 SW MAZIE                OK   WIND DAMAGE
08/23/03   MAYES                          TREES DOWN ON ROGERS AND
                                          MAYES COUNTY LINE REPORTED
                                          BY EMERGENCY MANAGEMENT

0512 PM    5 SE INOLA                OK   WIND DAMAGE
08/23/03   ROGERS                         TREES DOWN ON RAGOERS AND
                                          MAYES COUNTY LINE REPORTED
                                          BY EMERGENCY MANAGEMENT

HMN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 4:37 PM CDTSevere Thunderstorm WarningTSACherokee38 min
Aug 23, 4:39 PM CDTSevere Thunderstorm WarningTSAPushmataha51 min
Aug 23, 5:06 PM CDTSevere Thunderstorm WarningTSAMayes, Rogers, Wagoner54 min
Aug 23, 5:25 PM CDTSevere Thunderstorm WarningTSACherokee50 min
Aug 23, 6:21 PM CDTSevere Thunderstorm WarningTSACreek39 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.