Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 417, NWS Tulsa, OK

November 18, 2003Ottawa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Nov 18, 2003, 11:26 AM CST for Ottawa County, Oklahoma. It was in force for 34 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: Nov 18, 2003, 11:26 AM CST (17:26 UTC)
Expired: Nov 18, 2003, 12:00 PM CST
In force: 34 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Ottawa County, OK

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, 5.4 hours before the alert went out and 84 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 357 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 576 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 181726
SVRTUL
OKC115-181800-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
ISSUED BY NWS NORMAN OK
1125 AM CST TUE NOV 18 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL NOON CST

* AT 1125 AM CST...DOPPLER RADAR DETECTED A BROPKEN LINE OF SEVERE   
THUNDERSTORMS FROM 5 MILES EAST OF QUAPAW TO 5 MILES SOUTH OF   
FAIRLAND...MOVING EAST AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE FAIRLAND...QUAPAW AND WYANDOTTE

HAIL UP TO THE SIZE OF HALF DOLLARS IS LIKELY.

LAT...LON 3699 9481 3661 9494 3666 9464 3678 9464
          3700 9461

$$
WR

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 Nov 18, 10:30 AM CST, 56 minutes earlier.

Area forecast discussion, Nov 18, 10:30 AM CST, 56 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
ISSUED BY NWS NORMAN OK
1030 AM CST TUE NOV 18 2003

WILL BE SENDING UPDATE FOR TSTMS. SPC WILL LIKELY BE ISSUING A WATCH
FOR MUCH OF NE OK IN THE NEXT 30 MINUTES.

FORECAST ID= 13

.TSA...
AR...NONE.
OK...NONE.

Hazardous weather outlook, Nov 18, 10:53 AM CST, 33 minutes before

ARZ001-002-010-011-019-020-029-OKZ049-053>076-191200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
ISSUED BY NATIONAL WEATHER SERVICE NORMAN OK
1053 AM CST TUE NOV 18 2003

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

.DAY ONE...THROUGH TONIGHT

A COLD FRONT WILL MOVE ACROSS ACROSS SOUTHEAST OKLAHOMA AND
NORTHWEST ARKANSAS THIS AFTERNOON. MEANWHILE... AN UPPER LEVEL LOW
PRESSURE SYSTEM WILL MOVE ACROSS OKLAHOMA TODAY. UNSTABLE AIR
ASSOCIATED WITH THIS SYSTEM WILL RESULT IN THUNDERSTORMS... SOME
WITH LARGE HAIL. THE THUNDERSTORMS SHOULD DIMINISH THIS EVENING WITH
THE LOSS OF HEATING AND AN EASTWARD SHIFT OF THE UPPER SYSTEM OUT OF
THE AREA.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THUNDERSTORM CHANCES WILL BEGIN TO INCREASE SATURDAY INTO SUNDAY AS
A STRONG UPPER TROUGH MOVES INTO THE CENTRAL PLAINS.

.SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT.

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.

CJS

In the hours before

Special weather statement, Nov 18, 10:03 AM CST, 1 hour 23 minutes before

OKZ054-059-064-181615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
ISSUED BY NWS NORMAN OK
1003 AM CST TUE NOV 18 2003

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR CREEK...OSAGE AND PAWNEE
COUNTIES.

A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF TERLTON AT 1003 AM
CST...MOVING NORTH EAST AT 15 MPH.

SMALL HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE.

WR

Special weather statement, Nov 18, 10:13 AM CST, 1 hour 13 minutes before

OKZ060-061-067-181630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
ISSUED BY NWS NORMAN OK
1013 AM CST TUE NOV 18 2003

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR ROGERS...TULSA AND WAGONER
COUNTIES.

A SEVERE THUNDERSTORM WAS LOCATED OVER CATOOSA AT 1013 AM CST...
MOVING NORTHEAST AT 25 MPH.

PEOPLE IN ROGERS...TULSA AND WAGONER COUNTIES...INCLUDING THE CITY OF
CLAREMORE...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS.

WR

Special weather statement, Nov 18, 10:25 AM CST, 1 hour 1 minute before

OKZ057-181645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
ISSUED BY NWS NORMAN OK
1025 AM CST TUE NOV 18 2003

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR CRAIG COUNTY.

A STRONG THUNDERSTORM WAS LOCATED 11 MILES SOUTHWEST OF BLUEJACKET AT
1025 AM CST...MOVING NORTHEAST AT 10 MPH.

SMALL HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE.

WR

Special weather statement, Nov 18, 10:40 AM CST, 46 minutes before

OKZ058-181700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
ISSUED BY NWS NORMAN OK
1040 AM CST TUE NOV 18 2003

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR OTTAWA COUNTY.

A STRONG THUNDERSTORM WAS LOCATED OVER MIAMI AT 1040 AM CST. THE
STORM WAS MOVING NORTHEAST AT 15 MPH.

STORM INTENSITY IS INCREASING AND SEVERE WEATHER MAY DEVELOP RAPIDLY.

WR

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 18, 9:56 AM CST	Severe Thunderstorm Warning	TSA	Tulsa	34 min
Nov 18, 10:02 AM CST	Severe Thunderstorm Warning	TSA	Tulsa	28 min
Nov 18, 10:21 AM CST	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	39 min
Nov 18, 10:26 AM CST	Severe Thunderstorm Warning	TSA	Rogers, Wagoner	24 min
Nov 18, 10:34 AM CST	Severe Thunderstorm Warning	TSA	Craig	41 min
Nov 18, 10:35 AM CST	Severe Thunderstorm Warning	TSA	Tulsa	25 min
Nov 18, 10:48 AM CST	Severe Thunderstorm Warning	TSA	Rogers	42 min
Nov 18, 10:51 AM CST	Severe Thunderstorm Warning	TSA	Ottawa	34 min
Nov 18, 10:53 AM CST	Severe Thunderstorm Warning	TSA	Craig	52 min
Nov 18, 10:58 AM CST	Severe Thunderstorm Warning	TSA	Creek, Tulsa	47 min
Nov 18, 11:30 AM CST	Severe Thunderstorm Warning	TSA	Mayes, Rogers	45 min
Nov 18, 11:56 AM CST	Severe Thunderstorm Warning	TSA	Wagoner	49 min
Nov 18, 12:07 PM CST	Severe Thunderstorm Warning	TSA	Okmulgee	38 min
Nov 18, 12:09 PM CST	Severe Thunderstorm Warning	TSA	Mayes	51 min
Nov 18, 12:18 PM CST	Severe Thunderstorm Warning	TSA	Tulsa	27 min
Nov 18, 12:35 PM CST	Severe Thunderstorm Warning	TSA	Muskogee	40 min
Nov 18, 1:16 PM CST	Severe Thunderstorm Warning	TSA	Cherokee, Haskell, McIntosh, Muskogee, Sequoyah	44 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2003 Every 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.