Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 2, NWS Tulsa, OK

February 25, 1998Cherokee County, Sequoyah County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Feb 25, 1998, 7:28 PM CST for Cherokee County, Sequoyah County, Oklahoma. It was in force for 62 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 25, 1998, 7:28 PM CST (01:28 UTC)
Expired: Feb 25, 1998, 8:30 PM CST
In force: 62 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Cherokee County, OK, Sequoyah County, OK

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 25, 5:00 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.5 hours before the alert went out and 165 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.

361 
WUUS54 KTSA 260129 RRA
SVRTUL
OKC021-135-260230-

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

THE NATIONAL WEATHER SERVICE IN TULSA OK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN EAST CENTRAL OKLAHOMA

   ...SOUTHERN CHEROKEE COUNTY
   ...SEQUOYAH COUNTY

AT 7 25 PM A SEVERE THUNDERSTORM WAS LOCATED FROM JUST EAST OF
BRAGGS TO GORE. MOVEMENT WAS TO THE NORTHEAST AT 30 MILES AN HOUR.

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 65 MPH CAN BE
EXPECTED IN THE WARNED AREA.

DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS. TO PROTECT
YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE OR HAND HELD
ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. MOTORISTS SHOULD BE
ALERT FOR WATER ON ROADWAYS AND NEVER DRIVE ONTO A FLOODED ROAD.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
FOR LATER STATEMENTS OR WARNINGS CONCERNING THIS SEVERE WEATHER
SITUATION.

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, 3:30 PM CST, 3 hours 58 minutes earlier.

Area forecast discussion, Feb 25, 3:30 PM CST, 3 hours 58 minutes before

FPUS3 KTUL 252130
AFDTUL

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

21Z SFC ANALYSIS SHOWS WELL-DEFINED DRYLINE FM ERN KS SWD INTO ERN
OK AND NCNTRL TX WITH BAND OF MDT CU ALG LEADING EDGE.  18Z SNDG FM
FWD SHOWS THAT CAP HAS ERODED WITH CAPES ARND 1000-1500 J/KG.  HV
FINALLY SEEN SOME ECHOES ACRS SCNTRL OK WHERE LLVL CONVERGENCE ALG
DRYLINE IS A BIT STRONGER AND SFC DWPTS ARE HOVERING ARND 60F.
THINK THAT SE OK/WCNTRL AR HAS THE BEST CHC FOR ISOLATED SVR TSRA
LATE THIS AFTN AND EVENING...AS STORMS CONTINUE TO DVLP ALG
DRYLINE.  WL CONCENTRATE HIGHEST POPS ACRS THIS AREA...WITH JUST
SLGT CHC POPS FOR MOST OF NE OK.  EXPECT MOST OF THE ACTIVITY TO MV
OUT OF FA BY 06Z...ALTHO SOME CONVECTION MAY LINGER PAST MIDNGT OVR
FAR SE OK.

UPR LOW WOBBLES ARND UPR PLAINS/UPR MS VLY THE NEXT FEW DAYS...WITH
AN ADDN LOBE ROTATING THRU THE SRN PLAINS FRI/FRI NGT.  THIS WILL
HELP REINFORCE COOLER AIR ACRS THE AREA...ESP BY FRI WITH BLO
NORMAL HIGHS EXPECTED.

WEEKEND LOOKS MOSTLY CLOUDY AND COOL...WITH A SLIGHT WARMING TREND
BY MON.

PRELIM NUMBERS:
TUL 043/058 033/049 2-00
FSM 046/059 033/052 6100
MLC 044/060 032/051 4-00
BVO 040/055 031/046 2-00
FYV 045/057 031/050 5100
IDB 048/061 035/056 7100
BYV 045/057 030/050 5100
MIO 044/056 031/048 4-00
MKO 044/059 033/051 2-00
F10 043/058 033/050 2-00

HODGES

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

In the hours before

Local storm report, Feb 25, 7:18 PM CST, 10 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
718 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   MAYES

Local storm report, Feb 25, 7:18 PM CST, 10 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
718 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   MAYES

Local storm report, Feb 25, 7:20 PM CST, 8 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 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.

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, 7:40 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 25, 10:46 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	74 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; the sounding from the Mesonet's radiosonde archive.