Alert archive / Arkansas / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 7, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 17, 1989, 9:35 PM CST for Crawford County, Sebastian County, Arkansas. It was in force for 55 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
- Mar 17, 1989, 9:35 PM CST (03:35 UTC)
- Expired
- Mar 17, 1989, 10:30 PM CST
- In force
- 55 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Crawford County, AR, Sebastian County, AR
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 17, 9:39 PM CST | Hail 1 | Crawford, AR | |
| Mar 17, 9:45 PM CST | Hail 0.75 | Sebastian, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Springfield, MO (KUMN), launched 00:00Z, 3.6 hours before the alert went out and 172 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
- 646 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1679 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 6.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFSM 180338
SVRFSM
ARC033-131-180430-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
935 PM CST FRI MAR 17 1989
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN WEST ARKANSAS
...CRAWFORD...NORTHERN SEBASTIAN
AT 9302 PM CST RADAR SHOWED A SEVERE THUNDERSTORM 5 MILES NORTH OF
FORT SMITH MOVING SOUTHEAST AT 30 MPH.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.L
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.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.
In the hours before
Special weather statement, Mar 17, 5:21 PM CST, 4 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA, OK 520 PM CST FRI MAR 17 1989 ...THREAT OF SEVERE THUNDERSTORM DECREASES ACROSS PARTS OF NORTHEAST OKLAHOMA... THE THREAT OF THUNDERSTORMS AND SEVERE WEATHER HAS DIMINISHED ACROSS PARTS OF NORTHEAST OKLAHOMA INCLUDING THE TULSA METROPOLITAN AREA. DRIER AND COOLER AIR BEHIND A COLD FRONT HAS PUSHED INTO NORTHEAST OKLAHOMA. SHORTLY AFTER 500 PM THE COLD FRONT EXTENDED FROM NORTHERN DELAWARE COUNTY TO TULSA TO JUST SOUTH OF NORMAN. THE FRONT MOVED THROUGH THE TULSA INTERNATIONAL AIRPORT AT 511 PM. THUNDERSTORMS ARE STILL POSSIBLE ALONG AND AHEAD OF THE FRONT THIS EVENING WITH A SLIGHT CHANCE OF SEVERE THUNDERSTORMS. NORTHWEST OF THE FRONT...WHERE WINDS ARE NORTHERLY AT SPEEDS OF 15-25 MPH... THE CHANCE FOR THUNDERSTORMS HAS DIMINISHED.
Local storm report, Mar 17, 7:21 PM CST, 2 hours 14 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
720 PM CST FRI MAR 17 1989
TIME/CDT COUNTY EVENT (CD=CIVIL DEFENSE OHP=OK HIGHWAY PAT'L)
1745 PM TULSA HAIL THE SIZE OF QUARTERS FELL AT 129TH AND
PINE IN EAST TULSA.
1755 PM ROGERS HAIL UP TO GOLFBALL SIZE FELL NEAR CATOOSA.
1905 PM WAGONER GOLFBALL SIZE HAIL FELL 3 MILES WEST OF
SEQUOYAH STATE PARK.
1910 XPM CHEROKEE GOLFBALL TO BASEBALL SIZE HAIL FELL AT
SEQUOYAH STATE PARK.Local storm report, Mar 17, 8:23 PM CST, 1 hour 12 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
819 PM CST FRI MAR 17 1989
TIME/CDT COUNTY EVENT (CD=CIVIL DEFENSE OHP=OK HIGHWAY PAT'L)
1810 PM WAGONER HAIL THE SIZE OF DIMES FELL 3 MILES NORTH OF
COWETA.
1934 PM CHEROKEE HAIL UP TO GOLFBALL SIZE FELL 10 MILES
SOUTHWEST OF TAHLEQUAH.
1952 PM CHEROKEE DIME SIZE HAIL FELL 10 MILES SOUTH OF
TAHLEQUAH.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 8:43 PM CST | Severe Thunderstorm Warning | TSA | Crawford | 62 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1989Every severe thunderstorm warning in 1989
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.