Alert archive / Arkansas / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 9, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 20, 1989, 6:26 PM CST for Miller County, Arkansas. It was in force for 64 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 20, 1989, 6:26 PM CST (00:26 UTC)
- Expired
- Mar 20, 1989, 7:30 PM CST
- In force
- 64 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Miller 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 20, 7:00 PM CST | Hail 0.88 | Miller, 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
Longview/Gregg, TX (KGGG), launched 00:00Z, 0.4 hours before the alert went out and 126 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
- 1920 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1249 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 20, 1:44 PM CST, 4 hours 42 minutes before
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</html>Special weather statement, Mar 20, 2:41 PM CST, 3 hours 45 minutes before
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</html>Special weather statement, Mar 20, 3:48 PM CST, 2 hours 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 345 PM CST MON MAR 20 1989 ...AN AREA OF SHOWERS AND THUNDERSTORMS WITH ISOLATED STRONG THUNDERSTORMS CONTINUES TO AFFECT CENTRAL INTO NORTHEAST LOUISIANA... AT 335 PM CST NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A LARGE AREA OF SHOWERS AND SCATTERED THUNDERSTORMS WITH ISOLATED STRONG THUNDERSTORMS ACROSS A LARGE PART OF CENTRAL INTO NORTHEAST AND EAST CENTRAL LOUISIANA ON INTO MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE LOCATED TO THE SOUTH AND SOUTHEAST OF ALEXANDRIA..ALSO JUST NORTH OF COLFAX LOUISIANA. ANOTHER STRONG THUNDERSTORM WAS INDICATED NEAR RUSTON. THE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST AT 20 MILES AN HOUR WHILE THE INDIVIDUAL CELLS WERE MOVING TO THE NORTH- EAST AT 30 MILES AN HOUR. A TORNADO WATCH REMAINS IN EFFECT FOR A LARGE PART OF CENTRAL AND SOUTHERN LOUISIANA UNTIL 6 PM THIS EVENING. PERSONS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. ELSEWHERE..A BAND OF SCATTERED SHOWERS AND THUNDERSTORMS WAS DEVELOPING AHEAD OF A STRONG COLD FRONT FROM EXTREME WEST CENTRAL AKANSAS EAST OF FORT SMITH INTO SOUTHEAST OKLAHOMA. THIS BAND IS EXPECTED TO DEVELOP SOUTHWESTWARD AS IT MOVES TO THE SOUTHEAST. THE STORMS ARE ALSO EXPECTED TO INTENSIFY THROUGH THE AFTERNOON WITH THEIR SOUTHEASTWARD PROGRESSION AND POSSIBLY BECOME STRONG TO SEVERE AS THEY MOVE INTO THE ARKLATEX LATE THIS AFTERNOON AND THIS EVENING.
Special weather statement, Mar 20, 4:56 PM CST, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 455 PM CST MON MAR 20 1989 ...A TORNADO WATCH IN EFFECT UNTIL 1000 PM FOR MUCH OF NORTHEAST TEXAS AND SOUTHWEST ARKANSAS AND EXTREME SOUTHEAST OKLAHOMA... ...A TORNADO WATCH IN EFFECT UNTIL 600 PM FOR A LARGE PART OF CENTRAL AND SOUTHERN LOUISIANA... ...SHOWERS AND THUNDERSTORMS CONTINUE OVER NORTHEAST LOUISIANA AND HAD DEVELOPED DURING THE PAST HOUR OVER SOUTHEAST OKLAHOMA.. SOUTHWEST ARKANSAS..AND NORTHEAST TEXAS... AT 445 PM WEATHER SERVICE RADAR IN SHREVEPORT SHOWED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS OVER NORTHEAST AND EAST CENTRAL LOUISIANA THAT EXTENDED FROM NEAR BASTROP AND MONROE SOUTH TO ALEXANDRIA AND BATON ROUGE. THE STRONGER THUNDERSTORMS IN NORTHEAST LOUISIANA WERE INDICATED NEAR RAYVILLE SOUTHEAST TO EAST OF WINNSBORO AND BETWEEN COLUMBIA AND HARRISONBURG. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35 MPH AND HAVE BEEN PRODUCING GUSTY WINDS..FREQUENT LIGHTNING.. AND BREIF BUT HEAVY RAINS. . RADAR ALSO SHOWED SCATTERED SHOWERS AND STRONG THUNDERSTORMS FROM EAST OF FORT SMITH SOUTHWEST TO NEAR MENA AND ASHDOWN ARKANSAS AND INTO NORTHEAST TEXAS TO NEAR NEW BOSTON. ALSO A LINE OF SHOWERS AND STRONG THUNDERSTORMS FROM NEAR GREENVILLE TEXAS SOUTHWEST TO NEAR WACO AND TEMPLE. THE STRONGER THUNDERSTORMS IN SOUTHWEST ARKANSAS WERE INDICATED NEAR MENA AND DE QUEEN. MOVEMENT WAS TO THE NORTHEAST AT 35 MPH WITH THE STORMS PRODUCING BRIEF BUT HEAVY RAINFALL..STRONG AND GUSTY WINDS..AND FREQUENT BUT DANGEROUS LIGHTNING.
Special weather statement, Mar 20, 6:02 PM CST, 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 600 PM CST MON MAR 20 1989 ...A TORNADO WATCH IN EFFECT UNTIL 1000 PM FOR MUCH OF NORTHEAST TEXAS AND SOUTHWEST ARKANSAS AND EXTREME SOUTHEAST OKLAHOMA... ...SHOWERS AND THUNDERSTORMS CONTINUE OVER NORTHEAST LOUISIANA BUT WILL MOST LIKELY MOVE INTO MISSISSIPPI DURING THE NEXT HOUR... ...SHOWERS AND THUNDERSTORMS..SOME STRONG..CONTINUE TO DEVELOP OVER SOUTHWEST ARKANSAS AND NORTHEAST TEXAS... AT 545 PM WEATHER SERVICE RADAR IN SHREVEPORT SHOWED SCATTERED SHOWERS AND STRONG THUNDERSTORMS OVER NORTHEAST LOUISIANA FROM NEAR LAKE PROVIDENCE SOUTH INTO EAST CENTRAL LOUISIANA AND THE ADJACENT STATE OF MISSISSIPPI. THE STRONGER THUNDERSTORMS IN NORTHEAST LOUISIANA WERE INDICATED NEAR LAKE PROVIDENCE MOVING TO THE NORTHEAST AT 35 MPH AND SHOULD MOVE INTO MISSISSIPPI DURING THE NEXT HOUR. RADAR ALSO SHOWED WIDELY SCATTERED SHOWERS AND STRONG THUNDERSTORMS OVER SOUTHWEST ARKANSAS THAT EXTENDED INTO NORTHEAST AND NORTH CENTRAL TEXAS FROM NEAR RUSSELVILLE..MURFREESBORO..AND ASHDOWN ARKANSAS TO NEAR MAUD..LINDEN..AND LONGVIEW TEXAS. RADAR SHOWED ANOTHER AREA OF WIDELY SCATTERED SHOWERS AND STRONG THUNDERSTORMS FROM NEAR EMORY SOUTHWEST TO NEAR CORSICANA..GROSBECK..AND TEMPLE TEXAS. THE STRONGER THUNDERSTORMS IN SOUTHWEST ARKANSAS WERE INDICATED NEAR NASHVILLE AND OKAY AND IN NORTHEAST TEXAS BETWEEN TEXARKANA AND MAUD. THE SHOWERS AND THUNDERSTeORMS WERE MOVING TO THE EAST AT 35 MPH WHILE THE OVERALL AREAS SPREAD TO THE SOUTHEAST AT 20 MPH. THE STORMS WERE PRODUCING GUSTY WINDS..FREQUENT AND DANGEROUS LIGHTNING..BRIEF BUT HEAVY RAINFALL..AND POSSIBLY HAIL.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 9:28 PM CST | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 92 min |
| Mar 20, 8:47 PM CST | Severe Thunderstorm Warning | SHV | Panola, Rusk, Shelby | 73 min |
| Mar 20, 9:28 PM CST | Severe Thunderstorm Warning | SHV | Harrison | 92 min |
| Mar 20, 6:40 PM CST | Severe Thunderstorm Warning | SHV | Lafayette | 70 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.