Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 14, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Feb 3, 1990, 1:46 AM CST for Webster Parish, Louisiana; Columbia County, Arkansas. It was in force for 59 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 3, 1990, 1:46 AM CST (07:46 UTC)
- Expired
- Feb 3, 1990, 2:45 AM CST
- In force
- 59 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Columbia County, AR, Webster Parish, LA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 3, 2:10 AM CST | Hail 1 | Webster, 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, 7.8 hours before the alert went out and 141 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
- 377 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 234 m²/s²
- 0-3 km storm-relative helicity
- 297 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
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, Feb 2, 10:20 PM CST, 3 hours 26 minutes before
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</html>Special weather statement, Feb 2, 11:51 PM CST, 1 hour 55 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003- 004-005-006-030800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1140 PM CST FRI FEB 2 1990 ...SEVERE THUNDERSTORM WATCH NO LONGER IN EFFECT FOR NORTH LOUISIANA AND SOUTHWEST ARKANSAS... AT 1130 PM NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED SCATTERED SHOWERS AND THUNDERSTORMS ACROSS NORTHEAST TEXAS AND SOUTHWEST ARKANSAS. THE HEAVIEST RAIN WAS OCCURRING OVER NORTHEAST TEXAS ABOUT 15 MILES NORTH OF DANGERFIELD...AND IN SOUTHWEST ARKANSAS NEAR DEQUEEN. MOVEMENT WAS TO THE NORTHEAST AT 35 MILES PER HOUR. THESE STORMS WERE PRODUCING VERY HEAVY RAINFALL AND LOW AREA FLOODING WILL OCCUR AS WELL AS OVERFLOW OF SMALL STREAMS IN THE AREA. THUNDERSTORM ACTIVITY HAD DIMINISHED ACROSS NORTH LOUISIANA WITH ONLY PATCHY LIGHT RAIN INDICATED BY RADAR. RAINFALL AMOUNTS OVER NORTH CENTRAL LOUISIANA THIS EVENING WERE AROUND TWO INCHES. . RAIN AND THUNDERSTORMS WILL CONTINUE TONIGHT ACROSS THE AREA AS A STATIONARY FRONT REMAINS ACROSS THE ARKLATES TONIGHT.
Special weather statement, Feb 3, 1:20 AM CST, 26 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003- 004-005-006-030900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 115 AM CST SAT FEB 3 1990 ...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD NORTHEAST ACROSS NORTHEAST TEXAS..SOUTHWEST ARKANSAS..AND NORTHWEST LOUISIANA... AT 110 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED SHOWERS AND THUNDERSTORMS THAT EXTENDED GENERALLY NORTHWEST OF A LINE BASTROP TO RUSTON LOUISIANA TO NEAR HEMPHILL TEXAS. THE RAIN EXTENDED ON NORTHWEST INTO SOUTHEAST OKLAHOMA. MOVEMENT WAS NORTHEAST NEAR 30 MILES PER HOUR. STRONG THUNDERSTORMS WERE NOTED NEAR LEWISVILLE ARKANSAS AND FROM BENTON LOUISIANA TO GRAND CANE LOUISIANA. THE STRONG THUNDERSTORMS WERE PRODUCING HEAVY RAINS THAT MAY CAUSE SOME LOW AREA AND STREET FLOODING AS WELL AS FREQUENT LIGHTNING AND GUSTY WINDS. . RAIN AND THUNDERSTORMS WILL CONTINUE TONIGHT ACROSS THE AREA AS A STATIONARY FRONT LINGERS ACROSS THE ARKLATEX THROUGH THE NIGHT.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 6:31 PM CST | Severe Thunderstorm Warning | SHV | Caddo | 59 min |
| Feb 2, 7:55 PM CST | Tornado Warning | SHV | Morehouse | 50 min |
| Feb 3, 1:59 AM CST | Tornado Warning | SHV | Claiborne, Webster | 46 min |
| Feb 3, 5:30 AM CST | Flash Flood Warning | SHV | Webster | 3 hr |
| Feb 3, 5:30 AM CST | Flash Flood Warning | SHV | Bossier | 3 hr |
| Feb 3, 8:58 AM CST | Severe Thunderstorm Warning | SHV | Claiborne | 62 min |
| Feb 3, 1:14 PM CST | Severe Thunderstorm Warning | SHV | Madison | 61 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1990Severe Thunderstorm Warnings in Arkansas, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.