Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 30, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 19, 1998, 2:22 AM CST for Crawford County, Sebastian County, Arkansas; Sequoyah County, Oklahoma. It was in force for 48 min. 4 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
- Mar 19, 1998, 2:22 AM CST (08:22 UTC)
- Expired
- Mar 19, 1998, 3:10 AM CST
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Crawford County, AR, Sebastian County, AR, Sequoyah County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 19, 2:35 AM CST | Thunderstorm Wind | Muldrow, OK | Large tree limbs blown down. |
| Mar 19, 2:35 AM CST | Hail 0.75 | Muldrow, OK | |
| Mar 19, 2:51 AM CST | Thunderstorm Wind | Ft Smith, AR | Power lines downed by tstm winds on west side of city |
| Mar 19, 3:00 AM CST | Thunderstorm Wind | Alma, AR | Barn blown down and utility shed blown down |
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, 8.4 hours before the alert went out and 173 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
- 759 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
215 WUUS54 KTSA 190823 RRA SVRTUL ARC033-131-OKC135-190910- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 222 AM CST THU MAR 19 1998 THE NATIONAL WEATHER SERVICE IN TULSA OK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 310 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWESTERN ARKANSAS ...CRAWFORD COUNTY IN WEST CENTRAL ARKANSAS ...SEBASTIAN COUNTY IN EAST CENTRAL OKLAHOMA ...SEQUOYAH COUNTY AT 220 AM WEATHER RADAR INDICATED LINE OF SEVERE THUNDERSTORMS FROM NEAR SALLISAW TO NEAR PANAMA TO NEAR WISTER AND MUSE. THE LINE OF STORMS WERE MOVING TO THE EAST AT 50 MPH. 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 18, 9:15 PM CST, 5 hours 7 minutes earlier.
Area forecast discussion, Mar 18, 9:15 PM CST, 5 hours 7 minutes before
FPUS3 KTUL 190316 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 915 PM CST WED MAR 18 1998 THINGS SEEM TO BE GOING PRETTY MUCH AS PLANNED THIS EVENING AND WILL MAINLY BE UPDATING ZONES TO FRESHEN UP THE WORDING. WILL REMOVE ANY REFERENCE TO THIS EVENING...OTHERWISE ANY ADDITIONAL CHANGES WILL BE MINOR. UPPER SYSTEM MOVG FROM NRN NM INTO THE PANHANDLES THIS EVENING WITH STG DYMANICS APPROACHING. MAIN RAIN SHIELD HAS SPREAD INTO WRN OK OVR THE PAST SVRL HRS WITH STG/SVR TSTMS CURRENTLY ALONG THE RED RIVER NEAR SPS. PRECIP WILL CONT SPREADING EASTWARD WITH THREAT OF SVR IN SRN ZNS TNGT. ALREADY NEW SVR TSTM WATCH IN PLACE AFFECTING SRNMOST COUNTIES. ALSO SHOWERS AND TSTMS HAVE BEEN DEVELOPING ALONG AND SOUTH OF FNTL BOUNDARY STRETCHING FROM NTX ACROSS SE OK INTO NW AR AND XPCTD TO CONT TO INCRS. CURRENT FLASH FLOOD WATCH LOOKS FINE AND WILL LEAVE AS IS. AM A LITTLE CONCERNED ABT SNOW INTO NWRN PART OF FORECAST AREA AS SYSTM MOVS THRU...BUT WILL LEAVE ANY MAJOR CHGS CONCERNING THIS TO THE MIDNIGHT SHIFT AFTER ALL NEW MODEL DATA IS IN. FCSTID = 04 .TUL... OK...FLASH FLOOD WATCH TONIGHT THROUGH THURSDAY MORNING FOR ZONES OKZ049...OKZ053>077. AR...NONE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 2:57 AM CST | Severe Thunderstorm Warning | TSA | Franklin | 48 min |
| Mar 19, 12:21 AM CST | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 49 min |
| Mar 19, 12:21 AM CST | Severe Thunderstorm Warning | TSA | Pittsburg | 49 min |
| Mar 19, 2:00 AM CST | Severe Thunderstorm Warning | TSA | LeFlore | 45 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1998Severe 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.