Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 55, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 18, 1992, 5:32 AM CST for Franklin Parish, Richland Parish, Louisiana. It was in force for 58 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 18, 1992, 5:32 AM CST (11:32 UTC)
- Expired
- Mar 18, 1992, 6:30 AM CST
- In force
- 58 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Franklin Parish, LA, Richland Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 18, 5:52 AM CST | Hail 1.75 | Richland, 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, 11.5 hours before the alert went out and 271 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
- 352 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 581 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 251 m²/s²
- 0-3 km storm-relative helicity
- 339 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.2
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 18, 1:02 AM CST, 4 hours 30 minutes before
TXZ023-027-033-ARZ009-LAZ001-002-003-004-005-006-OKZ040-180645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 100 AM CST WED MAR 18 1992 ...TORNADO WATCH IN EFFECT FOR NORTHEAST TEXAS...SOUTHEAST OKLAHOMA... SOUTHWEST ARKANSAS...AND NORTHWEST LOUISIANA UNTIL 4 AM... AT 1255 AM WEATHER SERVICE RADAR IN SHREVEPORT INDICATED SHOWERS AND THUNDERSTORMS OVER SOUTHWEST ARKANSAS...SOUTHEAST OKLAHOMA... INTO NORTHEAST TEXAS. THIS ACTIVITY WAS NORTHWEST OF A LINE FROM CENTERVILLE TO GRAPELAND TO CUSHING TO CARTHAGE TO WASKOM TEXAS... ON TO OIL CITY AND IDA LOUISIANA...ON TO STAMPS AND WATERLOO ARKANSAS. THE HEAVIEST RAINFALL WAS LOCATED NEAR CARTHAGE...MARSHALL...OMAHA AND NAPLES TEXAS...NEAR OIL CITY LOUISIANA...AND NEAR HOPE ARKANSAS. A BAND OF SHOWERS AND THUNDERSTORMS WAS ALSO INDICATED FROM NEAR STONEWALL TO RINGGOLD LOUISIANA. THE HEAVIEST RAINFALL WAS OCCURRING NORTH OF GRAND CANE LOUISIANA. MOVEMENT WAS TO THE NORTHEAST AT 30 MPH. THE THUNDERSTORMS WILL PRODUCE HEAVY RAINFALL OF UP TO ONE INCH ALONG WITH STRONG GUSTY WINDS AND FREQUENT LIGHTNING. THE CHANCE OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH WEDNESDAY WITH SOME STORMS REACHING SEVERE INTENSITY WITH LOCALLY HEAVY RAINFALL.
Special weather statement, Mar 18, 2:36 AM CST, 2 hours 56 minutes before
TXZ023-027-033-ARZ009-LAZ001-002-003-004-005-006-OKZ040-181030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 235 AM CST WED MAR 18 1992 ...TORNADO WATCH IN EFFECT FOR NORTHEAST TEXAS...SOUTHEAST OKLAHOMA... SOUTHWEST ARKANSAS...AND NORTHWEST LOUISIANA UNTIL 4 AM... AT 235 AM WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS OVER NORTHEAST TEXAS ACROSS NORTHWEST LOUISIANA AND SOUTHWEST ARKANSAS. WITHIN THIS AREA A 15 MILE WIDE BAND OF THUNDERSTORMS EXTENDED FROM RODESSA LOUISIANA TO WASKOM TEXAS ON TO NACOGADOCHES TEXAS. THESE THUNDERSTORMS ARE PRODUCING BRIEF HEAVY RAINFALL OF ONE HALF TO ONE INCH ALONG WITH GUSTY WINDS OF 25 TO 35 MPH AND FREQUENT LIGHTNING. THE AREA WAS MOVING TO THE EAST AT 25 MPH. ACROSS SOUTHWEST ARKANSAS...RAINFALL OF ONE TO THREE INCHES OCCURRED TUESDAY EVENING. LIGHT AND MODERATE RAINFALL WAS INDICATED OVER THIS AREA AT 235 AM. ADDITIONAL HEAVY RAIcNFALL MAY CAUSE FLOODING OF LOW AND POOR DRAINAGE AREAS. SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH WEDNESDAY ACROSS THE AREA WITH SOME STORMS REACHING SEVERE INTENSITY ALONG WITH LOCALLY HEAVY RAINFALL.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 2:54 AM CST | Severe Thunderstorm Warning | SHV | Bossier, Caddo, De Soto | 66 min |
| Mar 18, 3:38 AM CST | Severe Thunderstorm Warning | SHV | Bienville, Red River | 67 min |
| Mar 18, 3:38 AM CST | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 67 min |
| Mar 18, 3:52 AM CST | Severe Thunderstorm Warning | SHV | Natchitoches, Sabine | 68 min |
| Mar 18, 4:29 AM CST | Severe Thunderstorm Warning | SHV | Lincoln, Union | 61 min |
| Mar 18, 4:29 AM CST | Severe Thunderstorm Warning | SHV | Jackson | 61 min |
| Mar 18, 4:45 AM CST | Severe Thunderstorm Warning | SHV | Winn | 60 min |
| Mar 18, 5:07 AM CST | Severe Thunderstorm Warning | SHV | Caldwell, Ouachita | 68 min |
| Mar 18, 5:51 AM CST | Severe Thunderstorm Warning | SHV | East Carroll, Madison | 69 min |
| Mar 18, 3:11 PM CST | Severe Thunderstorm Warning | SHV | Natchitoches, Sabine | 59 min |
| Mar 18, 4:49 PM CST | Severe Thunderstorm Warning | SHV | Jackson, Lincoln | 116 min |
| Mar 17, 9:34 PM CST | Severe Thunderstorm Warning | SHV | Howard, Pike | 56 min |
| Mar 18, 2:54 AM CST | Severe Thunderstorm Warning | SHV | Shelby | 66 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.