Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 155, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 2, 1998, 10:19 PM CDT for Sebastian County, Arkansas. It was in force for 41 min. 2 reports 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
- May 2, 1998, 10:19 PM CDT (03:19 UTC)
- Expired
- May 2, 1998, 11:00 PM CDT
- In force
- 41 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Sebastian County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 2, 10:20 PM CDT | Hail 0.88 | Hackett, AR | Nickel-sized hail covered the ground |
| May 2, 10:21 PM CDT | Hail 0.88 | Greenwood, AR |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 2, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 3.3 hours before the alert went out and 194 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.
- Mixed-layer CAPE
- 14 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1308 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
833 WUUS54 KTSA 030320 RRA SVRTUL ARC131-030400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1019 PM CDT SAT MAY 2 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SEBASTIAN COUNTY - WEST CENTRAL ARKANSAS * UNTIL 1100 PM CDT * AT 1015 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 2 MILES SOUTHWEST OF GREENWOOD...MOVING SOUTHEAST AT 30 MPH. A SECOND SEVERE STORM WAS NEAR PANAMA IN NORTHERN LE FLORE COUNTY ALSO MOVING TO THE SOUTHEAST AT 30 MPH. * SOME LOCATIONS AFFECTED INCLUDE... HARTFORD MIDLAND HAIL TO THE SIZE OF GOLFBALLS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. WHEN THUNDERSTORMS APPROACH...TAKE COVER INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING STAY OFF THE PHONE AND DONT USE HAND HELD ELECTRICAL APPLIANCES. MOTORISTS SHOULD NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 May 2, 9:45 PM CDT, 34 minutes earlier.
Area forecast discussion, May 2, 9:45 PM CDT, 34 minutes before
FPUS3 KTUL 030251 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 945 PM CDT SAT MAY 2 1998 WILL UPDATE ZONES SHORTLY...MAINLY TO LOWER MINS A BIT OVER NE OK. NW WINDS ARE NOT AS STRONG AS PREVIOUSLY ADVERTISED AND WITH CLEAR SKIES AND DRY AIRMASS MID TO UPPER 40S LOOKS REASONABLE. MAY ALSO TWEAK SKY CONDITIONS IN A FEW ZONES. WITH NEW TSRA DEVELOPMENT MAY ...ALSO INCREASE POPS FOR SE OK/W CNTRL AR. FCSTID = 19 .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, May 2, 7:58 PM CDT, 2 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
758 PM CDT SAT MAY 02 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0434 PM 3 NE MUSKOGEE OK 1 INCH HAIL
05/02/98 MUSKOGEE
0448 PM BRAGGS OK .75 INCH HAIL
05/02/98 MUSKOGEE
0539 PM HARTFORD AR .75 INCH HAIL
05/02/98 SEBASTIAN
0550 PM POTEAU KERR ARPT OK 2 INCH HAIL
05/02/98 LE FLORE
0550 PM POTEAU OK .75 INCH HAIL f
05/02/98 LE FLORE
0551 PM CAMERON OK .75 INCH HAIL
05/02/98 LE FLORELocal storm report, May 2, 7:58 PM CDT, 2 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
758 PM CDT SAT MAY 02 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0434 PM 3 NE MUSKOGEE OK 1 INCH HAIL
05/02/98 MUSKOGEE
0448 PM BRAGGS OK .75 INCH HAIL
05/02/98 MUSKOGEE
0539 PM HARTFORD AR .75 INCH HAIL
05/02/98 SEBASTIAN
0550 PM POTEAU KERR ARPT OK 2 INCH HAIL
05/02/98 LE FLORE
0550 PM POTEAU OK .75 INCH HAIL f
05/02/98 LE FLORE
0551 PM CAMERON OK .75 INCH HAIL
05/02/98 LE FLORESpecial weather statement, May 2, 8:00 PM CDT, 2 hours 19 minutes before
ARZ019-020-029-030130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 800 PM CDT SAT MAY 2 1998 SEVERE THUNDERSTORM WATCH NUMBER 269 HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN WESTERN ARKANSAS... CRAWFORD FRANKLIN SEBASTIAN THE THREAT OF SEVERE WEATHER HAS SHIFTED WELL SOUTH AND EAST OF THESE COUNTIES.
Special weather statement, May 2, 8:00 PM CDT, 2 hours 19 minutes before
ARZ019-020-029-030130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 800 PM CDT SAT MAY 2 1998 SEVERE THUNDERSTORM WATCH NUMBER 269 HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN WESTERN ARKANSAS... CRAWFORD FRANKLIN SEBASTIAN THE THREAT OF SEVERE WEATHER HAS SHIFTED WELL SOUTH AND EAST OF THESE COUNTIES.
Special weather statement, May 2, 9:15 PM CDT, 1 hour 4 minutes before
OKZ049-053-073>076-030245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 915 PM CDT SAT MAY 2 1998 SEVERE THUNDERSTORM WATCH NUMBER 268 HAS BEEN CANCELLED. THE FOLLOWING COUNTIES IN SOUTHEAST OKLAHOMA ARE NO LONGER IN A SEVERE THUNDERSTORM WATCH... PITTSBURG HASKELL LATIMER LE FLORE PUSHMATAHA CHOCTAW
Special weather statement, May 2, 9:15 PM CDT, 1 hour 4 minutes before
OKZ049-053-073>076-030245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 915 PM CDT SAT MAY 2 1998 SEVERE THUNDERSTORM WATCH NUMBER 268 HAS BEEN CANCELLED. THE FOLLOWING COUNTIES IN SOUTHEAST OKLAHOMA ARE NO LONGER IN A SEVERE THUNDERSTORM WATCH... PITTSBURG HASKELL LATIMER LE FLORE PUSHMATAHA CHOCTAW
Nearby
Severe Thunderstorm Warnings in Arkansas, 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.