Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 65, NWS Tulsa, OK

April 24, 2003Nowata County, Osage County, Washington County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 24, 2003, 4:15 PM CDT for Nowata County, Osage County, Washington County, Oklahoma. It was in force for 60 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
Apr 24, 2003, 4:15 PM CDT (21:15 UTC)
Expired
Apr 24, 2003, 5:15 PM CDT
In force
60 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Nowata County, OK, Osage County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 86 km from the middle of the area, began a volume at 21:15 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, 9.3 hours before the alert went out and 190 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 2003-04-24Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2003-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 254 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
789 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
254 m²/s²
0-3 km storm-relative helicity
282 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 242115
SVRTUL
OKC105-113-147-242215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
415 PM CDT THU APR 24 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN NOWATA COUNTY IN NORTHEAST OKLAHOMA
  NORTHEASTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA
  NORTHERN WASHINGTON COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 515 PM CDT

* AT 415 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5
  MILES NORTHWEST OF OKESA...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...DEWEY...
  COPAN...WANN...OKESA...BIGHEART AND HULAH.

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 3685 9625 3667 9625 3685 9571 3698 9542
          3700 9568 3700 9599

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 Apr 24, 2:35 PM CDT, 1 hour 40 minutes earlier.

Area forecast discussion, Apr 24, 2:35 PM CDT, 1 hour 40 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
235 PM CDT THU APR 24 2003

IN THE SHORT TERM...500 MB CLOSED LOW WILL CONTINUE TO MEANDER
EASTWARD ACROSS THE SOUTHERN PLAINS. THE ASSOCIATED SURFACE LOW WILL
CRAWL ACROSS CENTRAL KANSAS AND IOWA THROUGH TOMORROW. AFTER A
CHANCE FOR SOME WRAP AROUND CONVECTIVE ACTIVITY THIS AFTERNOON AND
TONIGHT ACROSS THE NORTHERN THIRD OF THE CWA...PRECIP CHANCES WILL
DIMINISH AS NORTHERLY FLOW ALOFT AND AT THE SURFACE ON THE WESTERN
SIDE OF THE LOW SWEEPS THE MOISTURE OUT OF THE REGION. SURFACE HIGH
PRESSURE WILL BUILD IN BEHIND THE SYSTEM...PROVIDING A PERIOD OF DRY
WEATHER THROUGH THE WEEKEND.

THE POTENT UPPER LOW WILL CONTINUE TO TRANSLATE EASTWARD AND
FILL...LEAVING THE SOUTHERN PLAINS UNDER BROAD SOUTHWEST UPPER FLOW.
THIS GENERAL FLOW PATTERN IS EXPECTED TO CONTINUE THROUGH THE
EXTENDED...WITH A COUPLE OF SHORT WAVES TRAVERSING THE REGION DURING
THAT TIME. AN INITIAL LACK OF MOISTURE WILL KEEP SUNDAY AND MONDAY
DRY AND FAIRLY TRANQUIL. SOUTHERLY LOW LEVEL FLOW/WAA WILL INCREASE
MONDAY INTO TUESDAY AS A RATHER WELL DEFINED MID LEVEL SHORT WAVE
TROUGH APPROACHES THE REGION. THIS WILL NECESSITATE MAINTAINING
CHANCE THUNDER FOR TUESDAY AND TUESDAY NIGHT. A SURFACE TROUGH LOOKS
TO REMAIN IN THE VICINITY THROUGH AT LEAST THURSDAY...LEAVING
CONDITIONS UNSETTLED INTO THE END OF THE WEEK. THEREFORE WILL
INTRODUCE SLIGHT CHANCE THUNDER FOR WEDNESDAY AND THURSDAY.

TUL   51   70   50   73  / 20   10    5    5
FSM   49   70   49   73  / 20   10    5    5
MLC   50   72   50   74  / 10   10    5    5
BVO   50   68   48   74  / 40   10    5    5
FYV   47   68   45   68  / 40   20    5    5
BYV   49   66   47   68  / 40   20    5    5
MKO   52   70   48   73  / 20   10    5    5
MIO   47   65   47   69  / 40   20    5    5
F10   51   71   49   74  / 10   10    5    5
HHW   54   75   51   77  / 10   10    5    5

FORECAST ID= 06

.TSA...
AR...NONE.
OK...NONE.
Hazardous weather outlook, Apr 24, 3:48 PM CDT, 27 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-251100-

HAZARDOUS WEATHER OUTLOOK...CORRECTION
NATIONAL WEATHER SERVICE TULSA OK
348 PM CDT THU APR 24 2003

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

.DAY ONE...TODAY

ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE LATE THIS AFTERNOON
AND EARLY THIS EVENING AS AN UPPER LEVEL STORM SYSTEM MOVES ACROSS
SOUTHERN KANSAS AND NORTHERN OKLAHOMA. THE MAIN THREAT FROM THESE
STORMS WILL BE LARGE HAIL.

ADDITIONAL THUNDERSTORMS MAY DEVELOP ACROSS PORTIONS OF NORTHWESTERN
ARKANSAS ALONG THE DRYLINE BEFORE MOVING RAPIDLY EAST OUT OF THE
AREA.

THE THREAT FOR SEVERE THUNDERSTORMS WILL DIMINISH AFTER SUNSET.

A FEW THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH TONIGHT MAINLY
OVER THE NORTHERN PART OF THE AREA AS THE UPPER SYSTEM MOVES BY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
DRY AND PLEASANT WEATHER IS EXPECTED FOR THE FIRST PART OF THE
WEEKEND WITH THUNDERSTORM CHANCES RETURNING BY SUNDAY AND CONTINUING
THROUGH MUCH OF THE UPCOMING WEEK.

.SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ORGANIZATIONS SHOULD CONTINUE TO MONITOR THE WEATHER.

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

In the hours before

Local storm report, Apr 24, 11:21 AM CDT, 4 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1121 AM CDT THU APR 24 2003

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

1130 PM    3 S BRAGGS                OK   WIND DAMAGE
04/23/03   MUSKOGEE                       DAMAGE TO A ROOF

1110 PM    CHECOTAH                  OK   0.75 IN HAIL
04/23/03   MCINTOSH

1105 PM    HARTSHORNE                OK   WIND DAMAGE
04/23/03   PITTSBURG                      TREE LIMBS BROKEN

1035 PM    5 W HAYWOOD               OK   60 MPH TSTORM WIND
04/23/03   PITTSBURG

GM

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 10:19 PM CDTSevere Thunderstorm WarningTSAPittsburg41 min
Apr 23, 10:51 PM CDTSevere Thunderstorm WarningTSAMcIntosh39 min
Apr 23, 10:58 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, Pittsburg47 min
Apr 23, 11:19 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee, Sequoyah41 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.