Alert archive / Arkansas / Tornado Warnings in 1991
Tornado Warning 3, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Feb 19, 1991, 12:55 AM CST for Lafayette County, Arkansas. It was in force for 65 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
- Feb 19, 1991, 12:55 AM CST (06:55 UTC)
- Expired
- Feb 19, 1991, 2:00 AM CST
- In force
- 65 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Lafayette County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 19, 1:10 AM CST | Hail 1 | Lafayette, 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, 6.9 hours before the alert went out and 136 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
- 766 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 566 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 190655 TORSHV ARC073-190800- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 1255 AM CST TUE FEB 19 1991 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 200 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS.. IN SOUTHWEST ARKANSAS ...LAFAYETTE COUNTY AT 1255 AM CST WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A POSSIBLE TORNADO ABOUT 8 MILES SOUTHWEST OF LEWISVILLE ARKANSAS IN LAFAYETTE COUNTY. MOVEMENT WAS TO THE NORTHEAST AT NEAR 40 MPH. IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR. GET TO A BASEMENT IF ONE IS AVAILABLE. AVOID WINDOWS A"ND PROTECT YOUR BODY FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS.
What forecasters said that day
The local office's own words before this tornado 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, Feb 18, 7:33 PM CST, 5 hours 22 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-190400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 730 PM CST MON FEB 18 1991 ...THE TORNADO WATCH ISSUED EARLIER FOR SOUTHERN ARKANSAS HAS EXPIRED... SCATTERED SHOWERS AND A FEW THUNDERSTORMS LINGERED OVER PARTS OF NORTH LOUISIANA AND SOUTHERN ARKANSAS BUT CONTINUED TO DIMINISH IN INTENSITY. AT 725 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A 25 MILE WIDE AREA OF SHOWERS AND THUNDERSHOWERS THAT EXTENDED FROM NEAR HAMBURG ARKANSAS ACROSS RUSTON LOUISIANA TO NEAR CONVERSE LOUISIANA. ANOTHER 60 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS WAS LOCATED FROM NEAR WARREN ARKANSAS TO NEAR OKAY ARKANSAS. THE STORMS NEAR BLEVINS ARKANSAS WAS LIKELY PRODUCING STRONG GUSTY WINDS...BRIEF HEAVY RAINS AND FREQUENT LIGHTNING. MOVEMENT WAS EAST NORTHEAST NEAR 15 MPH. THE THREAT OF SEVERE WEATHER EXISTS ONCE AGAIN OVER THE AREA LATER TONIGHT AS ANOTHER UPPER LEVEL DISTURBENCE SPREADS EAST OVER THE REGION. SCATTERED THUNDERSTORMS WERE BEGINNING TO DEVELOP OVER NORTH CENTRAL TEXAS. THESE STORMS WILL FLARE UP ALONG A LINE FROM NEAR IDABEL OKLAHOMA TO PALESTINE ?TEXAS. SEVERE STORMS WILL AGAIN OVERSPREAD THE ARKLATEX LATE TONIGHT INTO THE WEE HOURS TUESDAY.
Special weather statement, Feb 18, 10:52 PM CST, 2 hours 3 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-190700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1045 PM CST MON FEB 18 1991 ...TORNADO WATCH IN EFFECT FOR ALL OF NORTH LOUISIANA...MUCH OF EAST TEXAS AND PARTS OF SOUTH ARKANSAS...UNTIL 4 AM CST TUESDAY... ...SEVERE THUNDERSTORMS WARNINGS ARE NO LONGER IN EFFECT FOR CLAIBORNE AND BIENVILLE PARISHES IN NORTH LOUISIANA AND BOWIE COUNTY TEXAS... ...HOWEVER A LINE OF THUNDERSTORMS WAS DEVELOPING FROM SOUTHWEST ARKANSAS NEAR GLENWOOD TO NEAR TYLER TEXAS AND ON TO JUST EAST OF WACO AND TO NEAR COLLEGE STATION. SEVERE THUNDERSTORMS ARE LOCATED NEAR 30 MILES SOUTHWEST OF TYLER TEXAS. ADDITIONAL SEVERE STORMS WILL DEVELOP PRIOR TO MID- NIGHT AND SPREAD ACROSS NORTHEAST TEXAS AND NORTH LOUISIANA AND SOUTHWEST ARKANSAS DURING THE MIDNIGHT HOURS. RAIN AND SHOWERS WITH ISOLATED THUNDERSTORMS CONTINUE OVER SOUTHEAST ARKANSAS AND NORTH CENTRAL LOUISIANA BUT CONTINUE TO DECREASE IN COVERAGE AND IN STRENGTH. BESIDES THE THREAT OF SEVERE STORMS SPREADING FROM WEST TO EAST TONIGHT ...ADDITIONAL HEAVY RAINFALL IS LIKELY TONIGHT WITH A FLASH FLOOD WATCH IN EFFECT FOR MUCH OF THE ARKLATEX EXPECIALLY THE SOUTHEAST HALF. GENERAL RAINFALL OF ONE TO TWO INCHES HAS OCCURRED ALREADY WITH ISOLATED AMOUNTS OF NEAR THREE INCHES WHICH RESULTED IN SOME LOW AREA FLOODING. MANY SMALL STREAMS ARE RUNNING NEAR BANKFULL AS A RESULT OF THISs HEAVY RAINFALL. ADDITIONAL RAINFALL TONIGHT MAY CAUSE FLOODING IN LOW AREAS AND SMALL STREAMS THAT MAY EFFECT SOME ROADWAYS.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 12:43 AM CST | Severe Thunderstorm Warning | SHV | Lafayette, Miller | 77 min |
Nearby
Tornado Warnings in Arkansas, 1991Every tornado warning in 1991Tornadoes in 1991
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.