Alert archive / Louisiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 310, NWS Shreveport, LA

November 14, 1993West Carroll Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Nov 14, 1993, 1:03 PM CST for West Carroll Parish, Louisiana. It was in force for 87 min.

The area

The counties it named.

The facts

Issued: Nov 14, 1993, 1:03 PM CST (19:03 UTC)
Expired: Nov 14, 1993, 2:30 PM CST
In force: 87 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County West Carroll Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.1 hours before the alert went out and 139 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1454 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 547 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 208 m²/s²
0-3 km storm-relative helicity: 285 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 10.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSHV 141905 RRA
SVRSHV
LAC041-123-142030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
103 PM CST SUN NOV 14 1993
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST LOUISIANA
 
   ...FRANKLIN PARISH...WEST CARROLL PARISH
 
AT 100 PM CST...THE NATIONAL WEATHER SERVICE RADAR IN
SHREVEPORT INDICATED SEVERE THUNDERSTORMS 15 MILES
SOUTHWEST OF OAK GROVE OR 5 MILES WEST OF DARNELL AND
ANOTHER SEVERE THUNDERSTORM WAS NEAR FORT
NECESSITY IN LOUISIANA.
 
A TORNADO WATCH IS ALONG AND AHEAD OF THE THUNDERSTORMS.
THE STORMS WERE MOVING NOFRTHEAST AT 50 TO 70 MILES
AN HOUR AND WILL LIKELY PRODUCE HIGH DAMAGING WINDS
IN EXCESS OF 70 MILES AN HOUR.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 14, 2:10 AM CST	Severe Thunderstorm Warning	SHV	Caddo	50 min
Nov 14, 7:55 AM CST	Severe Thunderstorm Warning	SHV	Bossier, Caddo	65 min
Nov 14, 8:19 AM CST	Severe Thunderstorm Warning	SHV	Webster	76 min
Nov 14, 8:19 AM CST	Severe Thunderstorm Warning	SHV	De Soto	76 min
Nov 14, 9:15 AM CST	Severe Thunderstorm Warning	SHV	Natchitoches, Sabine	75 min
Nov 14, 9:22 AM CST	Severe Thunderstorm Warning	SHV	Bienville, Red River	83 min
Nov 14, 9:22 AM CST	Severe Thunderstorm Warning	SHV	Claiborne	83 min
Nov 14, 10:30 AM CST	Severe Thunderstorm Warning	SHV	Bienville, Jackson, Lincoln, Natchitoches, Red River, Winn	90 min
Nov 14, 10:30 AM CST	Severe Thunderstorm Warning	SHV	Sabine	90 min
Nov 14, 10:30 AM CST	Severe Thunderstorm Warning	SHV	Ouachita	90 min
Nov 14, 11:27 AM CST	Severe Thunderstorm Warning	SHV	Morehouse	63 min
Nov 14, 11:57 AM CST	Severe Thunderstorm Warning	SHV	Caldwell, Ouachita	78 min
Nov 14, 11:57 AM CST	Severe Thunderstorm Warning	SHV	Winn	78 min
Nov 14, 12:30 PM CST	Severe Thunderstorm Warning	SHV	Morehouse, Richland	75 min
Nov 14, 1:03 PM CST	Severe Thunderstorm Warning	SHV	Franklin	87 min
Nov 14, 1:37 PM CST	Severe Thunderstorm Warning	SHV	East Carroll, Madison	98 min
Nov 14, 1:56 PM CST	Severe Thunderstorm Warning	SHV	Tensas	94 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1993 Every 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.