Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 75, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Apr 19, 1992, 9:14 PM CDT for Caldwell Parish, Jackson Parish, Winn Parish, Louisiana. It was in force for 61 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
- Apr 19, 1992, 9:14 PM CDT (02:14 UTC)
- Expired
- Apr 19, 1992, 10:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Caldwell Parish, LA, Jackson Parish, LA, Winn Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 19, 9:50 PM CDT | Hail 1.5 | Jackson, LA | |
| Apr 19, 9:50 PM CDT | Hail 1 | Winn, LA | |
| Apr 19, 10:05 PM CDT | Hail 1.75 | Jackson, LA | |
| Apr 19, 10:20 PM CDT | Tornado F1 | Jackson, LA |
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, 2.2 hours before the alert went out and 205 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
- 711 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1038 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.9
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, Apr 19, 4:15 PM CDT, 4 hours 59 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-192230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 410 PM CDT SUN APR 19 1992 ...TORNADO WATCH IN EFFECT FOR EAST TEXAS...AND FOR PARTS OF NORTHWEST LOUISIANA AND SOUTHWEST ARKANSAS UNTIL 9 PM... ...FLASH WATCH IN EFFECT FOR NORTHWEST LOUISIANA AND NORTHEAST TEXAS TONIGHT... AT 410 PM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED SHOWERS AND THUNDERSTORMS ACROSS EAST TEXAS AND AND PARTS OF NORTH LOUISISANA AND SOUTHWEST ARKANSAS. A POSSIBLE SEVERE STORM WAS LOCATED ABOUT 20 MILES SOUTHEAST OF LUFKIN TEXAS. OTHER THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE LOCATED IN NORTHWEST LOUISIANA FROM NEAR RUSTON TO NATCHITOCHES. MOST OF THE SHOWER ACTIVITY WAS LOCATED WEST OF A LINE FROM MURFREESBORO ARKANSAS TO GREENWOOD LOUISIANA TO JASPER TEXAS. MOVEMENT WAS NORTHEAST AT 35 MPH. . THUNDERSTORMS MAY PRODUCE VERY HEAVY RAINFALL...HIGH AND POSSIBLY DAMAGING...AND HAIL. THE THREAT OF STORMS WILL CONTINUE THROUGH TONIGHT ACROSS THE ARKLATEX. PERSONS ACROSS THE ARKLATEX REGION SHOULD MONITOR CHANGING WEATHER CONDITIONS TODAY AND TONIGHT AND BE PREPARED TO MOVE TO A SAuFE PLACE IF SEVERE WEATHER DEVELOPS. THUNDERSTORMS CAN PRODUCE FLOOD PRODUCING RAINFALL...HIGH AND POSSIBLY DAMAGING WINDS...HAIL...AND DANGEROUS LIGHTNING AS WELL AS TORNADOES.
Special weather statement, Apr 19, 5:10 PM CDT, 4 hours 4 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-200000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 505 PM CDT SUN APR 19 1992 ...TORNADO WATCH IN EFFECT FOR EAST TEXAS...AND FOR PARTS OF NORTHWEST LOUISIANA AND SOUTHWEST ARKANSAS UNTIL 9 PM... ...FLASH WATCH IN EFFECT FOR NORTHWEST LOUISIANA AND NORTHEAST TEXAS TONIGHT... AT 505 PM CDT WEATHER SERVICE RADAR IN SHREVEPORT CONTINUED TO SHOW SHOWERS AND THUNDERSTORMS ACROSS NORTHEAST TEXAS AND OVER PARTS OF SOUTHWEST ARKANSAS AND NORTH LOUISIANA. ONE 50 MILE WIDE AREA EXTENDED FROM NEAR HOT SPRINGS ARKANSAS TO TEXARKANA TO TENAHA TEXAS TO WOODVILLE. ANOTHER BAND OF SHOWERS AND THUNDERSTORMS EXTENDED FROM NEAR PARIS TEXAS SOUTHWARD TO ATHENS. OVER NORTH LOUISIANA ISOLATED SHOWERS AND THUNDER- STORMS WERE INDICATED. VERY HEAVY RAINFALL WAS OCCURRING NEAR LOGANSPORT LOUISIANA...NEAR THE SAN RAYBURN RESERVOIR IN EAST TEXAS AND NEAR WILLS POINT TEXAS. MOVEMENT WAS TO THE NORTHEAST AT 30 MPH. . THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL...STRONG GUSTY WINDS... ...AND POSSIBLY HAIL. THE THREAT OF STORMS WILL CONTINUE THROUGH TONIGHT ACROSS THE ARKLATEX. PERSONS ACROSS THE ARKLATEX REGION SHOULD TAKE CAUTION IF TRAVELING TONIGHT. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADWAYS AND POSSIBLY FLOODING IN LOW AND POOR DRAINAGE AREAS. SEVERE STORMS CAN CAUSE FLOOD PRODUCING RAINFALL...HIGH AND DAMAGING7 WINDS...HAIL...AND DANGEROUS LIGHTNING AS WELL AS TORNADOES.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 7:10 PM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Sabine | 65 min |
| Apr 19, 8:07 PM CDT | Severe Thunderstorm Warning | SHV | Winn | 68 min |
| Apr 19, 9:56 PM CDT | Tornado Warning | SHV | Jackson, Ouachita | 49 min |
| Apr 19, 10:43 PM CDT | Tornado Warning | SHV | Morehouse, Ouachita | 47 min |
| Apr 19, 11:16 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Ouachita, Richland | 59 min |
| Apr 19, 11:16 PM CDT | Severe Thunderstorm Warning | SHV | Jackson, Winn | 59 min |
| Apr 20, 12:19 AM CDT | Severe Thunderstorm Warning | SHV | Franklin, Madison, Tensas | 56 min |
| Apr 20, 12:40 AM CDT | Severe Thunderstorm Warning | SHV | East Carroll, West Carroll | 50 min |
| Apr 20, 2:09 AM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Winn | 66 min |
| Apr 20, 4:08 AM CDT | Severe Thunderstorm Warning | SHV | Madison | 37 min |
| Apr 19, 8:17 PM CDT | Severe Thunderstorm Warning | SHV | Shelby | 58 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1992Every severe thunderstorm warning in 1992
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.