Alert archive / Louisiana / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 53, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Feb 21, 1993, 6:12 AM CST for Caldwell Parish, Franklin Parish, Winn Parish, Louisiana. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Feb 21, 1993, 6:12 AM CST (12:12 UTC)
- Expired
- Feb 21, 1993, 7:15 AM CST
- In force
- 63 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Caldwell Parish, LA, Franklin Parish, LA, Winn Parish, LA
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 0.2 hours before the alert went out and 196 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
- 24 J/kg
- Mixed-layer CIN
- -260 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 508 m²/s²
- 0-3 km storm-relative helicity
- 622 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 21, 1:03 AM CST, 5 hours 9 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-210830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 105 AM CST SUN FEB 21 1992 ...PATCHES OF RAIN...SCATTERED SHOWERS AND ISOLATED THUNDERSHOWERS CONTINUED TO SPREAD EAST NORTHEAST ACROSS PARTS OF SOUTHWEST ARKANSAS... SOUTHEAST OKLAHOMA...EASTERN TEXAS...NORTH AND CENTRAL LOUISIANA... AT 100 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A 100 MILE WIDE AREA OF PATCHY RAIN AND SCATTERED SHOWERS THAT EXTENDED FROM LEWISVILLE ARKANSAS ACROSS ARCADIA LOUISIANA TO JENA LOUISIANA. ANOTHER 40 MILE WIDE AREA OF SCATTERED SHOWERS AND ISOLATED THUNDER- SHOWERS EXTENDED FROM SMITHVILLE OKLAHOMA TO TYLER TEXAS TO NEAR WOODVILLE TEXAS. MOVEMENT WAS EAST NORTHEAST NEAR 40 MILES AN HOUR. . THE RAIN...SHOWERS AND THUNDERSHOWERS SHOULD INCREASE OVER THE AREA DURING THE WEE HOURS SUNDAY AS A FRONTAL SYSTEM SPREADS OVER EASTERN OKLAHOMA AND EASTERN TEXAS.
Special weather statement, Feb 21, 4:05 AM CST, 2 hours 7 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-211130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 405 AM CST SUN FEB 21 1992 ...PATCHES OF RAIN...SCATTERED SHOWERS AND ISOLATED THUNDERSHOWERS CONTINUED TO SPREAD EAST NORTHEAST ACROSS PARTS OF SOUTHERN AND CENTRAL ARKANSAS...EASTERN TEXAS...NORTH AND CENTRAL LOUISIANA... AT 400 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A 90 MILE WIDE AREA OF PATCHY RAIN...SCATTERED SHOWERS AND AN ISOLATED THUNDERSHOWER THAT EXTENDED FROM 15 MILES NORTHWEST OF RUSTON LOUISIANA TO SOUTH OF LUFKIN TEXAS. AN ISOLATED THUNDERSHOWER WAS NOTED WEST OF CENTER TEXAS. ALSO...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WERE OBSERVED TO THE NORTHEAST OF A LINE THAT EXTENDED FROM MOUNT IDA ARKANSAS TO NEAR STEPHENS ARKANSAS TO NEAR OAK GROVE LOUISIANA. . MOVEMENT WAS EAST NORTHEAST NEAR 45 MILES AN HOUR. SCATTERED SHOWERS AND THUNDERSTORMS WILL INCREASE OVER THE EASTERN HALF OF THE REGION EARLY THIS MORNING AS A FRONTAL SYSTEM MOVES OVER EASTERN OKLAHOMA AND EASTERN TEXAS. THE POSSIBILITY FOR SOME OF THE STORMS TO BECOME SEVERE THIS MORNING EXISTS OVER NORTHEAST LOUISIANA AND SOUTHEAST ARKANSAS.
Special weather statement, Feb 21, 5:24 AM CST, 48 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-211300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 520 AM CST SUN FEB 21 1992 ...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS CONTINUED TO DEVELOP AND SPREAD EAST NORTHEAST ACROSS PARTS OF EAST CENTRAL TEXAS...SOUTHEAST ARKANSAS...NORTH AND CENTRAL LOUISIANA... AT 515 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A LARGE AREA OF SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THAT EXTENDED SOUTHEAST OF A LINE FROM NEAR STAR CITY ARKANSAS TO JUNCTION CITY ARKANSAS TO BIENVILLE LOUISIANA TO EAST OF SAN AUGUSTINE TEXAS. WITHIN THIS AREA...THUNDERSTORMS THAT WERE PRODUCING GUSTY WINDS OF 35 TO 45 MPH...BRIEF HEAVY RAINS AND FREQUENT LIGHTNING WERE LOCATED NEAR WISNER LOUISIANA...IN A 10 MILE WIDE BAND THAT EXTENDED FROM CAMPTI LOUISIANA TO NEAR ZWOLLE LOUISIANA AND SOUTH OF MONTICELLO ARKANSAS. ALSO...ISOLATED SHOWERS WERE NOTED BETWEEN GARY AND APPLEBY TEXAS. . MOVEMENT WAS EAST NORTHEAST NEAR 45 MILES AN HOUR. SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO INCREASE OVER THE SOUTHEAST SECTIONS THIS MORNING. SOME OF THE STORMS MAY BECOME SEVERE.< A SEVERE THUNDERSTORM WATCH REMAINED IN EFFECT EARLY THIS MORNING FOR PART OF SOUTHEAST ARKANSAS.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 6:27 AM CST | Tornado Warning | SHV | Caldwell, Franklin | 48 min |
| Feb 21, 7:02 AM CST | Severe Thunderstorm Warning | SHV | Tensas | 58 min |
| Feb 21, 7:59 AM CST | Severe Thunderstorm Warning | SHV | Tensas | 31 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1993Every severe thunderstorm warning in 1993
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.