Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 14, NWS Tulsa, OK

February 26, 1998Latimer County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Feb 26, 1998, 4:31 PM CST for Latimer County, Oklahoma. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 26, 1998, 4:31 PM CST (22:31 UTC)
Expired
Feb 26, 1998, 5:15 PM CST
In force
44 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Latimer County, OK

What was reported inside it

TimeReportWhereRemark
Feb 26, 4:40 PM CSTHail 0.75Red Oak, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.5 hours before the alert went out and 199 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, Norman, OK at 12:00Z on 1998-02-26Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 1998-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939587897117136Sfc1 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
2325 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
140 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 
TTAA00 KTUL 262231 RRA
SVRTUL
OKC077-262315-

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

THE NATIONAL WEATHER SERVICE IN TULSA OK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEASTERN OKLAHOMA

   ...LATIMER COUNTY

AT 428 PM...NWS RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES
SOUTHWEST OF RED OAK MOVING TO THE EAST-BNORTHEAST AT 20 MPH.  RED
OAK IS IN THE PATH OF THIS STORM.

HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE
EXPECTED IN THE WARNED AREA.

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, 6 hours 11 minutes earlier.

Area forecast discussion, Feb 26, 10:20 AM CST, 6 hours 11 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, 3:35 PM CST, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
335 PM CST THU FEB 26 1998

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

0312 PM    SALLISAW                  OK   .88 INCH HAIL
02/26/98   SEQUOYAH

0315 PM    2 E SALLISAW              OK   .88 INCH HAIL
02/26/98   SEQUOYAH                       NICKEL SIZE HAIL JUST EAST
                                          OF SALLISAW ALONG I-40.
                                          REPORT FROM HAMS RELAYED
                                          THROUGH KHBS.
Local storm report, Feb 26, 3:35 PM CST, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
335 PM CST THU FEB 26 1998

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

0312 PM    SALLISAW                  OK   .88 INCH HAIL
02/26/98   SEQUOYAH

0315 PM    2 E SALLISAW              OK   .88 INCH HAIL
02/26/98   SEQUOYAH                       NICKEL SIZE HAIL JUST EAST
                                          OF SALLISAW ALONG I-40.
                                          REPORT FROM HAMS RELAYED
                                          THROUGH KHBS.
Local storm report, Feb 26, 4:21 PM CST, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
421 PM CST THU FEB 26 1998

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

0408 PM    GREENWOOD                 AR   .75 INCH HAIL
02/26/98   SEBASTIAN                      REPORTED BY HAM OPERATOR
Local storm report, Feb 26, 4:24 PM CST, 7 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

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 6:59 PM CSTSevere Thunderstorm WarningTSAPittsburg46 min
Feb 25, 7:28 PM CSTSevere Thunderstorm WarningTSACherokee, Sequoyah62 min
Feb 25, 7:40 PM CSTSevere Thunderstorm WarningTSAPittsburg50 min
Feb 25, 8:36 PM CSTSevere Thunderstorm WarningTSAChoctaw39 min
Feb 25, 9:30 PM CSTSevere Thunderstorm WarningTSAPushmataha45 min
Feb 25, 10:46 PM CSTSevere Thunderstorm WarningTSALeFlore74 min
Feb 26, 3:15 PM CSTSevere Thunderstorm WarningTSASequoyah45 min
Feb 26, 3:46 PM CSTSevere Thunderstorm WarningTSALeFlore44 min
Feb 26, 4:36 PM CSTSevere Thunderstorm WarningTSALeFlore54 min
Feb 26, 5:29 PM CSTSevere Thunderstorm WarningTSALeFlore61 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1998Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.