Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 18, NWS Tulsa, OK

February 26, 1998LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Feb 26, 1998, 8:03 PM CST for LeFlore County, Oklahoma. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 26, 1998, 8:03 PM CST (02:03 UTC)
Expired: Feb 26, 1998, 8:45 PM CST
In force: 42 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County LeFlore County, OK

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 237 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: 2 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 676 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -100 m²/s²
0-3 km storm-relative helicity: -64 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.

940 
WUUS54 KTSA 270204 RRA
SVRTUL
OKC079-270245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
803 PM CST THU FEB 26 1998

THE NATIONAL WEATHER SERVICE IN TULSA OK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEASTERN OKLAHOMA

   ...EASTERN LE FLORE COUNTY

AT 800 PM...DIME SIZE HAIL WAS REPORTED ONE MILE NORTH OF HEAVENER.
THE STORM PRODUCING THE HAIL IS MOVING TO THE EAST AT ABOUT 15 MPH.

HAIL TO THE SIZE OF DIMES CAN BE EXPECTED IN THE WARNED AREA.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
FOR THE LATEST WEATHER INFORMATION.

&

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 Feb 26, 10:20 AM CST, 9 hours 43 minutes earlier.

Area forecast discussion, Feb 26, 10:20 AM CST, 9 hours 43 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
1020 AM CST THU FEB 26 1998

MESONET INDICATING FRONT ABOUT HALF WAY THROUGH FA ATTM.  LATEST
VISIBLE IMAGERY SHOWING BACK EDGE OF CLOUDS JUST TO THE WEST OF
AREA.  CLEARING HAS BEEN SLOWED BY DEVELOPING SC ON BACK EDGE.
SLOWED DOWN THE CLEARING AND LOWERED POPS IN W ARKANSAS AS MAIN
PCPN SHOULD STAY TO THE EAST OF FA. TEMPS SEEM ON TRACK FOR NOW.

HOWIESON

.TUL...
OK...NONE.
AR...NONE.

In the hours before

Local storm report, Feb 26, 4:24 PM CST, 3 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
424 PM CST THU FEB 26 1998

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

0353 PM    FT SMITH                  AR   .75 INCH HAIL
02/26/98   SEBASTIAN                      REPORTED IN TOWN BY POLICE
                                          DEPARTMENT

Local storm report, Feb 26, 4:51 PM CST, 3 hours 12 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
451 PM CST THU FEB 26 1998

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

0415 PM    JOHNSON             p      AR   1.00 INCH HAIL
02/26/98   WASHINGTON                     REPORTED BETWEEN FAYETTEVILLE
                                          AND SPRINGDALE

Local storm report, Feb 26, 4:51 PM CST, 3 hours 12 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
451 PM CST THU FEB 26 1998

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

0415 PM    JOHNSON             p      AR   1.00 INCH HAIL
02/26/98   WASHINGTON                     REPORTED BETWEEN FAYETTEVILLE
                                          AND SPRINGDALE

Local storm report, Feb 26, 5:11 PM CST, 2 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
511 PM CST THU FEB 26 1998

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

0503 PM    LE FLORE                  OK   .75 INCH HAIL
02/26/98   LE FLORE

Local storm report, Feb 26, 7:19 PM CST, 44 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
719 PM CST THU FEB 26 1998

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

0353 PM    2 N POCOLA                OK   0.75 INCH HAIL
02/26/98   LEFLORE

0415 PM    JOHNSON                   AR   1.00 INCH HAIL
02/26/98   WASHINGTON

0600 PM    2 E HOWE                  OK   0.75 INCH HAIL
02/26/98   LEFLORE

0440 PM    3 S RED OAK               OK   0.75 INCH HAIL
02/26/98   LATIMER

Local storm report, Feb 26, 7:19 PM CST, 44 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
719 PM CST THU FEB 26 1998

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

0353 PM    2 N POCOLA                OK   0.75 INCH HAIL
02/26/98   LEFLORE

0415 PM    JOHNSON                   AR   1.00 INCH HAIL
02/26/98   WASHINGTON

0600 PM    2 E HOWE                  OK   0.75 INCH HAIL
02/26/98   LEFLORE

0440 PM    3 S RED OAK               OK   0.75 INCH HAIL
02/26/98   LATIMER

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1998 Every severe thunderstorm warning in 1998

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.