Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 405, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 13, 2003, 8:37 PM CDT for Osage County, Oklahoma. It was in force for 38 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
- Oct 13, 2003, 8:37 PM CDT (01:37 UTC)
- Expired
- Oct 13, 2003, 9:15 PM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Osage County, OK
The radar
The Tulsa radar (KINX), 104 km from the middle of the area, began a volume at 01:36 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 13, 5:10 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.6 hours before the alert went out and 213 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.
- Mixed-layer CAPE
- 9 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 293 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 140137 SVRTUL OKC113-140215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 836 PM CDT MON OCT 13 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA * UNTIL 915 PM CDT * AT 836 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES NORTH OF PEARSONIA...MOVING NORTHEAST AT 45 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...PEARSONIA... BIGHEART AND HULAH. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3689 9655 3673 9644 3705 9565 3726 9580 $$
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 Oct 13, 6:45 PM CDT, 1 hour 52 minutes earlier.
Area forecast discussion, Oct 13, 6:45 PM CDT, 1 hour 52 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 645 PM CDT MON OCT 13 2003 AT 645 PM A STRONG COLD FRONT EXTENDED FROM A SURFACE LOW JUST SOUTHWEST OF KANSAS CITY TO WICHITA TO JUST WEST OF ENID. THIS FRONT WILL CONTINUE TO PUSH STEADILY SOUTHEAST AND WILL MOVE ACROSS ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS OVERNIGHT. A VIGOROUS UPPER LEVEL DISTURBANCE LOCATED NEAR THE KANSAS/NEBRASKA BORDER IS DIVING SOUTHEAST. CONVERGENCE ALONG THE COLD FRONT AND LARGE SCALE ASCENT AHEAD OF THE UPPER LEVEL DISTURBANCE IS RESULTING IN RAPID SHOWER AND THUNDERSTORM DEVELOPMENT ACROSS KANSAS INTO NORTH CENTRAL OKLAHOMA AT THIS TIME. MARGINAL INSTABILITY WITH SURFACE BASED CAPES OF 500-1000 J/KG EXISTS ACROSS NORTHEAST OKLAHOMA AT THIS TIME. VERY FAVORABLE UPPER DYNAMICS MAY OVERCOME THE MARGINAL INSTABILITY AND RESULT IN SEVERE THUNDERSTORMS ACROSS NORTHEAST OKLAHOMA DURING THE MID TO LATE EVENING HOURS. CURRENT TRENDS SUGGEST THAT THUNDERSTORMS WILL CONTINUE TO INCREASE IN COVERAGE AND INTENSITY TO OUR NORTH AND WEST AND WILL ALSO BUILD FURTHER SOUTH INTO OKLAHOMA. THE THREAT OF SEVERE WEATHER WILL INCREASE BY 8 PM TO THE NORTHWEST OF TULSA AND BY 10 PM AS FAR SOUTH AND EAST AS MUSKOGEE. THE MAIN SEVERE WEATHER THREAT WILL INITIALLY BE LARGE HAIL UP TO QUARTER SIZE BUT WITH TIME WILL LIKELY TRANSITION TO A DAMAGING WIND THREAT WITH WINDS TO 60 MPH POSSIBLE. .TSA... AR...NONE. OK...NONE. PLATE
Hazardous weather outlook, Oct 13, 6:00 AM CDT, 14 hours 37 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-141100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CDT MON OCT 13 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS THIS EVENING OVER NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. MOISTURE RETURN IS UNDERWAY THIS MORNING. THIS MOISTURE CAN BE EVIDENCED BY LOW CLOUDS ACROSS PARTS OF THE AREA. THIS MOISTURE WILL LEAD TO AN UNSTABLE ATMOSPHERE ACROSS THE AREA BY LATE AFTERNOON OR EARLY THIS EVENING. THIS UNSTABLE ATMOSPHERE WILL BE ACTED ON BY A STRONG UPPER LEVEL SYSTEM AND ITS ASSOCIATED UPPER JET STREAK MOVING FROM THE NORTHERN PLAINS TOWARD MISSOURI. THIS UPPER SUPPORT WILL DRIVE A COLD FRONT ACROSS THE AREA. THE THUNDERSTORMS ALONG THE FRONT MAY FORM A SQUALL LINE. HAIL AND DAMAGING WINDS WILL BE A POSSIBILITY TONIGHT ROUGHLY TO THE NORTHEAST OF A PONCA CITY TO TULSA TO FAYETTEVILLE LINE. TIMING OF THE FRONT WOULD FAVOR ACTIVITY IN THE MID EVENING HOURS AT TULSA AND AROUND OR SHORTLY AFTER MIDNIGHT AT FAYETTEVILLE. 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...TUESDAY THROUGH SUNDAY THE WEATHER SHOULD BE QUIET FOR MUCH OF THE REMAINDER OF THE WEEK ALTHOUGH ANOTHER COLD FRONT COULD BRING A CHANCE OF SHOWERS AND THUNDERSTORMS THURSDAY AND THURSDAY NIGHT. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT...MAINLY OVER THE FAR NORTHEAST CORNER OF OKLHOMA AND THE NORTHWEST CORNER OF ARKANSAS. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Special weather statement, Oct 13, 5:09 PM CDT, 3 hours 28 minutes before
OKZ054>064-066>070-140400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 509 PM CDT MON OCT 13 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH #937 UNTIL 1100 PM CDT MONDAY EVENING FOR THE FOLLOWING AREAS: IN OKLAHOMA THIS WATCH INCLUDES 16 COUNTIES... IN EAST CENTRAL OKLAHOMA: CHEROKEE MUSKOGEE IN NORTHEAST OKLAHOMA: ADAIR CRAIG CREEK DELAWARE MAYES NOWATA OKMULGEE OSAGE OTTAWA PAWNEE ROGERS TULSA WAGONER WASHINGTON THIS INCLUDES THE CITIES OF BARTLESVILLE...BRISTOW...BROKEN ARROW... CLAREMORE...JAY...MIAMI...MUSKOGEE...NOWATA...OKMULGEE...PAWHUSKA... PAWNEE...PRYOR...SAND SPRINGS...STILWELL...TAHLEQUAH...TULSA...VINITA AND WAGONER.
Special weather statement, Oct 13, 8:06 PM CDT, 31 minutes before
OKZ054-140200-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
806 PM CDT MON OCT 13 2003
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 900 PM CDT
FOR THE FOLLOWING COUNTY:
IN NORTHEAST OKLAHOMA
NORTHERN OSAGE
AT 806 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES
SOUTHWEST OF BURBANK...MOVING EAST AT 40 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THIS STORM INCLUDE...BURBANK...SHIDLER...
WEBB CITY...PEARSONIA AND BIGHEART.
THIS STORM WILL BE CAPABLE OF PRODUCING 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.