Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 49, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 14, 1990, 6:40 PM CST for Bienville Parish, Lincoln Parish, Louisiana. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Mar 14, 1990, 6:40 PM CST (00:40 UTC)
- Expired
- Mar 14, 1990, 7:45 PM CST
- In force
- 65 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Bienville Parish, LA, Lincoln Parish, LA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Longview/Gregg, TX (KGGG), launched 00:00Z, 0.7 hours before the alert went out and 164 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
- 900 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- -183 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 150041 RRA SVRSHV LAC013-061-150145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 640 PM CST WED MAR 14 1990 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS.. IN NORTHWEST LOUISIANA ...BIENVILLE PARISH...LINCOLN PARISH AT 638 PM CST WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A DEVELOPING SEVERE THUNDERSTORM OVER SOUTHWEST BIENVILLE PARISH NEAR RINGGOLD MOVING TO THE NORTHEAST AT 55 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR Y2OUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE 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.
In the hours before
Special weather statement, Mar 14, 1:11 PM CST, 5 hours 29 minutes before
TTAAOK KSHV 141911 OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003- 004-005-006-142100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 110 PM CST WED MAR 14 1990 ...TORNADO WATCH IN EFFECT UNTIL 500 PM CST FOR PARTS OF NORTHEAST TEXAS...SOUTHEAST OKLAHOMA...SOUTHWEST ARKANSAS AND A SMALL PART OF NORTHWEST LOUISIANA... AT 105 PM CST...NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A BAND OF SHOWERS AND THUNDERSTORMS...40 MILES MILES...EXTENDING FROM BETHEL OKLAHOMA SOUTHWESTWARD TO PARIS AND CANTON TEXAS. MOVEMENT WAS EAST AT 25 TO 30 MILES AN HOUR. ISOLATED SHOWERS WERE LOCATED FROM CAMDEN ARKANSAS TO BENTON LOUISIANA AND ALSO FROM THE TOLEDO BEND RESERVOIR TO NEWTON TEXAS. A FEW THUNDERSTORMS WERE ALSO LOCATED BETWEEN CORSICANA AND MARLIN TEXAS. A FLASH FLOOD WATCH IS ALSO IN EFFECT THIS AFTERNOON AND TONIGHT FOR SOUTHWEST ARKANSAS...SOUTHEAST OKLAHOMA...NORTHEAST TEXAS AND MUCH OF NORTHERN LOUISIANA. WIND ADVISORIES ARE IN EFFECT THIS AFTERNOON ON AREA LAKES. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. IF YOU ARE IN THESE AREAS BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STAY TUNED TO TV...RADIO OR NOAA WEATHER RADIO FOR THE LATEST IN WEATHER INFORMATION.
Special weather statement, Mar 14, 2:16 PM CST, 4 hours 24 minutes before
TTAAOK KSHV 142016 OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003- 004-005-006-142200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 215 PM CST WED MAR 14 1990 ...TORNADO WATCH IN EFFECT UNTIL 500 PM CST FOR PARTS OF NORTHEAST TEXAS...SOUTHEAST OKLAHOMA...SOUTHWEST ARKANSAS AND A SMALL PART OF NORTHWEST LOUISIANA... AT 210 PM CST...NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A LINE OF SHOWERS AND THUNDERSTORMS...40 MILES MILES...EXTENDING FROM IDABEL OKLAHOMA SOUTHWARD TO CANTON AND CENTERVILLE TEXAS. THE STRONGEST THUNDERSTORM WITHIN THIS LINE WAS LOCATED JUST WEST OF TYLER. THE LINE WAS MOVING EAST AT 20 MILES AN HOUR WHILE THE INDIVIDUAL THUNDERSTORMS WERE MOVING NORTHEAST AT 35 TO 40 MILES AN HOUR. ELSEWHERE...SCATTERED SHOWERS WERE LOCATED ACROSS LOUISIANA FROM HOMER AND MONROE TO COUSHATTA AND COLUMBIA. SHOWERS WERE ALSO OCCURRING FROM WINNFIELD SOUTHWARD TO OBERLIN. MOVEMENT WAS NORTHEAST AT 45 MILES AN HOUR. A FLASH FLOOD WATCH REMAINSIN EFFECT THIS AFTERNOON AND TONIGHT FOR MUCH OF THE ARKLATEX. WIND ADVISORIES ARE IN ALSO IN EFFECT THIS AFTERNOON ON AREA LAKES. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. IF YOU ARE IN THESE AREAS BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STAY TUNED TO TV...RADIO OR NOAA WEATHER RADIO FOR THE LATEST IN WEATHER INFORMATION.
Special weather statement, Mar 14, 2:58 PM CST, 3 hours 42 minutes before
TTAAOK KSHV 142058 OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003- 004-005-006-142230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 255 PM CST WED MAR 14 1990 ...TORNADO WATCH IN EFFECT UNTIL 500 PM CST FOR PARTS OF NORTHEAST TEXAS...SOUTHEAST OKLAHOMA...SOUTHWEST ARKANSAS AND A SMALL PART OF NORTHWEST LOUISIANA... AT 250 PM CST...NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A LINE OF STRONG THUNDERSTORMS...10 MILES WIDE...EXTENDING FROM MOUNT PLEASANT TEXAS SOUTHEAST TO GILMER AND RUSK TEXAS. MOVEMENT WAS EAST AT 20 TO 30 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING SMALL HAIL...STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND LOCALLY HEAVY RAINFALL. THE LINE OF STRONG THUNDERSTORMS WAS PART OF A LARGER AREA OF SHOWERS AND THUNDERSTORMS THAT STRETCHED FROM HUGO OKLAHOMA SOUTHWARD TO CROCKETT TEXAS. THE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING EAST AT 20 TO 30 MILES AN HOUR. A FLASH FLOOD WATCH REMAINS IN EFFECT THIS AFTERNOON AND TONIGHT FOR MUCH OF THE ARKLATEX. WIND ADVISORIES ARE IN ALSO IN EFFECT THIS AFTERNOON ON AREA LAKES. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. IF YOU ARE IN THESE AREAS BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STAY TUNED TO TV...RADIO OR NOAA WEATHER RADIO FOR THE4 LATEST IN WEATHER INFORMATION.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 7:43 PM CST | Severe Thunderstorm Warning | SHV | Jackson, Winn | 92 min |
| Mar 14, 7:43 PM CST | Severe Thunderstorm Warning | SHV | Lincoln, Ouachita, Union | 92 min |
| Mar 14, 9:10 PM CST | Severe Thunderstorm Warning | SHV | Caldwell, East Carroll, Franklin, Morehouse, Richland, West Carroll | 95 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.