Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 26, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 7, 1998, 2:41 PM CST for Crawford County, Arkansas. It was in force for 49 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
- Mar 7, 1998, 2:41 PM CST (20:41 UTC)
- Expired
- Mar 7, 1998, 3:30 PM CST
- In force
- 49 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Crawford County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 7, 3:05 PM CST | Hail 0.75 | Van Buren, 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.7 hours before the alert went out and 151 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 519 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
924 WUUS54 KTSA 072040 RRA SVRTUL ARC033-131-OKC079-135-072130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 241 PM CST SAT MAR 7 1998 THE NATIONAL WEATHER SERVICE IN TULSA OK HA.NORTHERN LE FLORE COUNTY IN EAST CENTRAL OKLAHOMA ...SEQUOYAH COUNTY AT 237 PM...RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM MARBLE CITY TO 3 MILES SOUTH OF POCOLA. THE LINE WAS MOVING NORTHEAST AT 40 MPH. FORT SMITH...SALLISAW...CEDARVILLE AND HARTFORD. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 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.
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 Mar 7, 11:05 AM CST, 3 hours 36 minutes earlier.
Area forecast discussion, Mar 7, 11:05 AM CST, 3 hours 36 minutes before
FPUS3 KTUL 071709
AFDTUL
NORTHWEST ARKANSAS/EASTERN OKLAHOMA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1105 AM CST SAT MAR 7 1998
JUST SENT OUT UPDATE TO ISSUE FLASH FLOOD WATCH FOR MOST OF E OK
ZONES. AREA OF SHRA/TSRA DUMPING CONSIDERABLE RAINFALL ALREADY
THIS MORNING...AND IT APPEARS THAT IT WILL CONTINUE THROUGH THE
DAY. DID NOT ISSUE WATCH OVER FAR SE OK OR NW AR BECAUSE RAIN AREA
IS NOT MAKING MUCH EWD PROGRESS AND AM NOT CERTAIN ABOUT THE
PERSISTENCE OF RAINS IN THOSE AREAS. DID KEEP CATEGORICAL POPS
GOING IN THOSE AREAS BECAUSE SHRA/TSRA SHOULD SPREAD THAT WAY LATER
THIS AFTERNOON. WILL RE-EVALUATE FLASH FLOOD WATCH WITH RATHER
UGLY LOOKING AFTERNOON PACKAGE. ALSO LOWERED TODAYS HIGHS WITH
THIS UPDATE AS MUCH WARMING IS NOT LIKELY.
...19...
.TUL...
OK...FLASH FLOOD WATCH TODAY AND TONIGHT FOR OKZ054>068-070-071-
073>075.
AR...NONE.In the hours before
Local storm report, Mar 7, 9:12 AM CST, 5 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
912 AM CST SAT MAR 07 1998
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0730 AM BIXBY OK .75 INCH HAIL
03/07/98 TULSALocal storm report, Mar 7, 9:12 AM CST, 5 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
912 AM CST SAT MAR 07 1998
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0730 AM BIXBY OK .75 INCH HAIL
03/07/98 TULSASpecial weather statement, Mar 7, 12:50 PM CST, 1 hour 51 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-081200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 1250 PM CST SAT MAR 7 1998 ISOLATED SEVERE THUNDERSTORMS ARE EXPECTED ACROSS MAINLY SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS THE REST OF TODAY INTO THIS EVENING. A MAJOR STORM SYSTEM MOVING OUT OF THE SOUTHERN ROCKIES THIS MORNING WILL MOVE ACROSS THE SOUTHERN PLAINS TODAY AND TONIGHT. EARLY THIS MORNING A LARGE AREA OF SHOWERS AND THUNDERSTORMS HAD SPREAD ACROSS MUCH OF EASTERN OKLAHOMA. THESE ARE EXPECTED TO CONTINUE TO SPREAD EASTWARD OVER THE REST OF THE AREA THIS AFTERNOON. A LAYER OF COLD AIR NEAR THE SURFACE IS NOW EXPECTED TO REMAIN IN PLACE ACROSS THE AREA...AS THE SURFACE LOW MOVES OUT OF NEW MEXICO ACROSS NORTHERN TEXAS LATER TODAY. THIS WILL LIMIT THE INSTABILITY OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS AS THE UPPER SYSTEM APPROACHES THE AREA. NUMEROUS SHOWERS AND THUNDERSTORMS WILL BRING THE THREAT FOR HEAVY RAINS TO THE AREA THROUGH TONIGHT...AND MAY BRING SOME LOCALIZED FLOODING PROBLEMS. A FEW OF THE STRONGER STORM MAY PRODUCE HAIL AS WELL...BUT DUE TO THE LIMITED INSTABILITY THESE STORMS SHOULD NOT BE AS WIDESPREAD AS EARLIER THOUGHT. THE MOST LIKELY AREA TO SEE HAIL PRODUCING THUNDERSTORMS WILL BE SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS AND THESE STORMS WILL PROBABLY LAST INTO THIS EVENING. THE MAIN THREATS FROM THE STORMS TODAY WILL BE HAIL UP TO NICKEL SIZE...DANGEROUS LIGHTNING AND PERSISTENT MODERATE TO HEAVY RAINS. EMERGENCY MANAGEMENT AGENCIES MAY NEED TO BE ACTIVATED THIS AFTERNOON AND TONIGHT DUE TO THE THREAT OF FLASH FLOODING. STORM SPOTTER GROUPS MAY NEED TO BE ACTIVATED OVER SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS MAINLY SOUTH OF A LINE FROM MCALESTER TO FORT SMITH THIS AFTERNOON INTO THIS EVENING. IN ADDITION TO THE THREAT OF FLOODING RAINS AND SEVERE WEATHER TODAY...THERE IS THE POSSIBILITY OF SOME SNOW ACROSS THE AREA LATE TONIGHT AND SUNDAY AS THE POWERFUL STORM SYSTEM EXITS THE AREA. A VERY DANGEROUS WINTER STORM IS FORECAST ACROSS KANSAS DOWN INTO NORTHWESTERN OKLAHOMA BY LATER TONIGHT. IN NORTHEAST OKLAHOMA THE PRECIPITATION WILL LIKELY CHANGE OVER TO SNOW MAINLY IN AREAS TO THE NORTH AND WEST OF I-44 BY MORNING. HOWEVER...ANY MAJOR ACCUMULATIONS OF SNOW AT THIS TIME WOULD APPEAR TO REMAIN FOCUSED FURTHER OFF TO THE NORTH AND WEST. IN ADDITION TO THE POSSIBILITY OF SNOW...VERY STRONG NORTH TO NORTHWESTERLY WINDS ARE ALSO EXPECTED TO SPREAD INTO THE AREA LATE TONIGHT AND EARLY SUNDAY. GUSTY WINDS IN EXCESS OF 30 MILES AN HOUR WILL BE POSSIBLE OVER MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS DURING THE DAY ON SUNDAY WITH FALLING TEMPERATURES CREATING WIND CHILLS FROM 0 TO 10 DEGREES.
Special weather statement, Mar 7, 12:50 PM CST, 1 hour 51 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-081200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 1250 PM CST SAT MAR 7 1998 ISOLATED SEVERE THUNDERSTORMS ARE EXPECTED ACROSS MAINLY SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS THE REST OF TODAY INTO THIS EVENING. A MAJOR STORM SYSTEM MOVING OUT OF THE SOUTHERN ROCKIES THIS MORNING WILL MOVE ACROSS THE SOUTHERN PLAINS TODAY AND TONIGHT. EARLY THIS MORNING A LARGE AREA OF SHOWERS AND THUNDERSTORMS HAD SPREAD ACROSS MUCH OF EASTERN OKLAHOMA. THESE ARE EXPECTED TO CONTINUE TO SPREAD EASTWARD OVER THE REST OF THE AREA THIS AFTERNOON. A LAYER OF COLD AIR NEAR THE SURFACE IS NOW EXPECTED TO REMAIN IN PLACE ACROSS THE AREA...AS THE SURFACE LOW MOVES OUT OF NEW MEXICO ACROSS NORTHERN TEXAS LATER TODAY. THIS WILL LIMIT THE INSTABILITY OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS AS THE UPPER SYSTEM APPROACHES THE AREA. NUMEROUS SHOWERS AND THUNDERSTORMS WILL BRING THE THREAT FOR HEAVY RAINS TO THE AREA THROUGH TONIGHT...AND MAY BRING SOME LOCALIZED FLOODING PROBLEMS. A FEW OF THE STRONGER STORM MAY PRODUCE HAIL AS WELL...BUT DUE TO THE LIMITED INSTABILITY THESE STORMS SHOULD NOT BE AS WIDESPREAD AS EARLIER THOUGHT. THE MOST LIKELY AREA TO SEE HAIL PRODUCING THUNDERSTORMS WILL BE SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS AND THESE STORMS WILL PROBABLY LAST INTO THIS EVENING. THE MAIN THREATS FROM THE STORMS TODAY WILL BE HAIL UP TO NICKEL SIZE...DANGEROUS LIGHTNING AND PERSISTENT MODERATE TO HEAVY RAINS. EMERGENCY MANAGEMENT AGENCIES MAY NEED TO BE ACTIVATED THIS AFTERNOON AND TONIGHT DUE TO THE THREAT OF FLASH FLOODING. STORM SPOTTER GROUPS MAY NEED TO BE ACTIVATED OVER SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS MAINLY SOUTH OF A LINE FROM MCALESTER TO FORT SMITH THIS AFTERNOON INTO THIS EVENING. IN ADDITION TO THE THREAT OF FLOODING RAINS AND SEVERE WEATHER TODAY...THERE IS THE POSSIBILITY OF SOME SNOW ACROSS THE AREA LATE TONIGHT AND SUNDAY AS THE POWERFUL STORM SYSTEM EXITS THE AREA. A VERY DANGEROUS WINTER STORM IS FORECAST ACROSS KANSAS DOWN INTO NORTHWESTERN OKLAHOMA BY LATER TONIGHT. IN NORTHEAST OKLAHOMA THE PRECIPITATION WILL LIKELY CHANGE OVER TO SNOW MAINLY IN AREAS TO THE NORTH AND WEST OF I-44 BY MORNING. HOWEVER...ANY MAJOR ACCUMULATIONS OF SNOW AT THIS TIME WOULD APPEAR TO REMAIN FOCUSED FURTHER OFF TO THE NORTH AND WEST. IN ADDITION TO THE POSSIBILITY OF SNOW...VERY STRONG NORTH TO NORTHWESTERLY WINDS ARE ALSO EXPECTED TO SPREAD INTO THE AREA LATE TONIGHT AND EARLY SUNDAY. GUSTY WINDS IN EXCESS OF 30 MILES AN HOUR WILL BE POSSIBLE OVER MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS DURING THE DAY ON SUNDAY WITH FALLING TEMPERATURES CREATING WIND CHILLS FROM 0 TO 10 DEGREES.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 2:41 PM CST | Severe Thunderstorm Warning | TSA | Sebastian | 49 min |
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.