Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 7, NWS Tulsa, OK

February 25, 1998LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Feb 25, 1998, 10:46 PM CST for LeFlore County, Oklahoma. It was in force for 74 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 25, 1998, 10:46 PM CST (04:46 UTC)
Expired: Feb 26, 1998, 12:00 AM CST
In force: 74 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County LeFlore County, OK

What was reported inside it

Time	Report	Where	Remark
Feb 25, 10:55 PM CST	Hail 0.88	Muse, 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

Springfield, MO (KSGF), launched 00:00Z, 4.8 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 959 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 359 m²/s²
0-3 km storm-relative helicity: 385 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.

346 
WUUS54 KTSA 260447 RRA
SVRTUL
OKC079-260600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1046 PM CST WED FEB 25 1998

THE NATIONAL WEATHER SERVICE IN TULSA OK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1200 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEASTERN OKLAHOMA

   ...SOUTHERN LE FLORE COUNTY

AT 1040 PM...RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 10 MILES
SOUTHWEST OF MUSE...MOVING NORTHEAST AT AROUND 30 MPH.

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH 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 25, 9:05 PM CST, 1 hour 41 minutes earlier.

Area forecast discussion, Feb 25, 9:05 PM CST, 1 hour 41 minutes before

FPUS3 KTUL 260307
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
905 PM CST WED FEB 25 1998

CURRENT RADAR TRENDS INDICATE PCPN JUST ABOUT OVER FOR NERN OK.
LINE OF TRW EXTENDS FROM XTRM NWRN AR TO THE RED RIVER SOUTH OF
MLC.  FROM THAT LINE EWD...WILL CONT HIGH POPS FOR THE NIGHT.
TSTMS OVER NRN TX SHD CONT A NEWD MVNT AND NOT LIKELY TO MOVE WEST
OF THE CURRENT LINE OF TRW.  LIGHT PCPN NORTH OF THE TX STORMS MAY
DRIFT A LITTLE NORTHWARD INTO AREAS FROM PITTSBURG COUNTY EASTWARD.
WILL HAVE TO WORD FCST FOR A CONTD SLIGHT CHC OF SHOWERS THAT AREA.

DRY LINE/FNT REMAINS OVER CNTRL OK...WELL WEST OF THE CURRENT LINE
OF TRW.  HOWEVER...THE AMS HAS BECOME MORE STABLE AND CONVERGENCE
ALONG THE DRY LINE WEAKENED AND SHD NOT BE ABLE INITIATE ANY MORE
TRW TNGT.

WILL MAKE ADJUSTMENTS TO POPS AND PERHAPS SOME WINDS...BUT NO OTHER
CHANGES EXPECTED. /02

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

In the hours before

Local storm report, Feb 25, 7:20 PM CST, 3 hours 26 minutes before

STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TULSA, OK
720 PM CST WED FEB 25 1998

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

712 PM     SAVANNA                   OK   0.75 INCH HAIL
02/25/98   PITTSBURG

Special weather statement, Feb 25, 7:25 PM CST, 3 hours 21 minutes before

OKZ049-053-065-066-068>076-260215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
725 PM CST WED FEB 25 1998

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELED FOR OKFUSKEE AND OKMULGEE
COUNTIES IN EASTERN OKLAHOMA...

...SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 10 PM FOR THE FOLLOWING
COUNTIES IN EASTERN OKLAHOMA...

CHEROKEE...ADAIR...MUSKOGEE...MCINTOSH...PITTSBURG...HASKELL...LATIMER
...PUSHMATAHA...CHOCTAW...SEQUOYAH...LE FLORE...MCCURTAIN.

Local storm report, Feb 25, 8:54 PM CST, 1 hour 52 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
854 PM CST WED FEB 25 1998

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

755 PM     BLOCKER                   OK   WIND DAMAGE
02/25/98   PITTSBURG                      TREE BLOWN DOWN

810 PM     BELLA VISTA               AR   0.75 INCH HAIL
02/25/98   BENTON

Local storm report, Feb 25, 8:54 PM CST, 1 hour 52 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
854 PM CST WED FEB 25 1998

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

755 PM     BLOCKER                   OK   WIND DAMAGE
02/25/98   PITTSBURG                      TREE BLOWN DOWN

810 PM     BELLA VISTA               AR   0.75 INCH HAIL
02/25/98   BENTON

Local storm report, Feb 25, 9:01 PM CST, 1 hour 45 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
901 PM CST WED FEB 25 1998

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

850 PM     BOSWELL                   OK   0.75 INCH HAIL
02/25/98   CHOCTAW

Local storm report, Feb 25, 9:01 PM CST, 1 hour 45 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
901 PM CST WED FEB 25 1998

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

850 PM     BOSWELL                   OK   0.75 INCH HAIL
02/25/98   CHOCTAW

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 25, 6:59 PM CST	Severe Thunderstorm Warning	TSA	Pittsburg	46 min
Feb 25, 7:28 PM CST	Severe Thunderstorm Warning	TSA	Cherokee, Sequoyah	62 min
Feb 25, 7:40 PM CST	Severe Thunderstorm Warning	TSA	Pittsburg	50 min
Feb 25, 8:36 PM CST	Severe Thunderstorm Warning	TSA	Choctaw	39 min
Feb 25, 9:30 PM CST	Severe Thunderstorm Warning	TSA	Pushmataha	45 min
Feb 26, 3:15 PM CST	Severe Thunderstorm Warning	TSA	Sequoyah	45 min
Feb 26, 3:46 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	44 min
Feb 26, 4:31 PM CST	Severe Thunderstorm Warning	TSA	Latimer	44 min
Feb 26, 4:36 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	54 min
Feb 26, 5:29 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	61 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.