Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 98, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 31, 1990, 3:10 PM CDT for Calcasieu Parish, Cameron Parish, Louisiana. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Aug 31, 1990, 3:10 PM CDT (20:10 UTC)
- Expired
- Aug 31, 1990, 4:15 PM CDT
- In force
- 65 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Calcasieu Parish, LA, Cameron 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.2 hours before the alert went out and 12 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
- 2238 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 940 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 9.2
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, Aug 31, 2:11 PM CDT, 59 minutes before
TXZ033-046-312015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 211 PM CDT FRI AUG 31 1990 ...STRONG THUNDERSTORMS IN ANGELINA COUNTY... AT 210 PM CDT TWO STRONG THUNDERSTORMS HAVE DEVELOPED DURING THE PAST HOUR IN ANGELINA COUNTY. THE STRONGEST THUNDERSTORM WAS LOCATED OVER BURKE IN SOUTH ANGELINA COUNTY. THE OTHER STRONG THUNDERSTORM WAS LOCATED OVER REDLAND JUST NORTH OF LUFKIN. PEA SIZE HAIL WAS REPORTED WITH THESE STORMS. ALSO STRONG GUSTY WINDS...HEAVY RAINFALL AND FREQUENT LIGHTNING WERE OCCURRING WITH THESE THUNDERSTORMS. MOVEMENT WAS TO THE SOUTHWEST AT 10 MILES AN HOUR. NNNN
Special weather statement, Aug 31, 2:46 PM CDT, 24 minutes before
LAZ005-006-007-008-011-012-312045 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 245 PM CDT THU AUG 30 1990 AT 225 PM...SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN WERE DEVELOPING RATHER QUICKLY OVER EXTREME PORTIONS OF SOUTHWEST LOUISIANA AND MOST OF EASTERN TEXAS. RADAR INDICATED INTENSE THUNDERSTORM JUST EAST OF BAYTOWN TEXAS AND ALSO ALONG THE SABINE RIVER BETWEEN ORANGE AND WEST OF DERIDDER. STRONG GUSTY WINDS..DANGEROUS LIGHTNING..AND SMALL HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS. OTHERWISE SCATTERED THUNDERSTORMS WERE SHOWN FROM NORTH OF HOUSTON TO LUFKIN AND ALSO SOUTHEAST OF LAKE CHARLES NEAR LAKE ARTHUR AND OFFSHORE 50 TO 100 MILES INTO THE GULF.
Special weather statement, Aug 31, 3:09 PM CDT, 1 minute before
TXZ033-046-048-312115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 309 PM CDT FRI AUG 31 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST TEXAS UNTIL 900 PM CDT... ...STRONG THUNDERSTORMS SCATTERED IN SOUTHEAST TEXAS... AT 305 PM CDT STRONG THUNDERSTORMS WERE SCATTERED IN SOUTHEAST TEXAS. THE STRONGEST ACTIVITY ACTIVITY WAS LOCATED IN SOUTHERN JASPER COUNTY AND SOUTHERN NACOOGDOCHES COUNTY. ELSEWHERE THUNDERSTORMS WERE DEVELOPING ACROSS SOUTHEAST TEXAS. PEAS SIZE HAIL HAS BEEN REPORTED ALONG WITH STRONG GUSTY WINDS AND HEAVY RAINFALL. THIS WILL MAKE EVENING RUSH HOUR TRAFFIC HAZARDOUS WITH LOCAL STREET AND LOW LYING AREA FLOODING. MOVEMENT WAS TO THE SOUTHWEST AT 15 MILES AN HOUR. NNNN
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 7:48 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Lafayette, Vermilion | 57 min |
| Aug 30, 8:17 PM CDT | Tornado Warning | LCH | Lafayette, Vermilion | 43 min |
| Aug 30, 9:20 PM CDT | Severe Thunderstorm Warning | LCH | Cameron, Vermilion | 55 min |
| Aug 30, 11:00 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 60 min |
| Aug 31, 12:02 AM CDT | Tornado Warning | LCH | Cameron | 43 min |
| Aug 31, 3:03 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 57 min |
| Aug 31, 3:05 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 70 min |
| Aug 31, 3:52 PM CDT | Severe Thunderstorm Warning | LCH | Cameron | 53 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.