Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 112, NWS Shreveport, LA

May 14, 1992Bienville Parish, Bossier Parish, Webster Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at May 14, 1992, 4:50 PM CDT for Bienville Parish, Bossier Parish, Webster Parish, Louisiana. It was in force for 55 min.

The area

The counties it named.

The facts

Issued: May 14, 1992, 4:50 PM CDT (21:50 UTC)
Expired: May 14, 1992, 5:45 PM CDT
In force: 55 min
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties Bienville Parish, LA, Bossier Parish, LA, Webster Parish, LA

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 9.8 hours before the alert went out and 122 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: 2724 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 837 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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, May 14, 11:46 AM CDT, 5 hours 4 minutes before

OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-
002-003-004-005-006-141800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1145 AM CDT THU MAY 14 1992

...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR EXTREME SOUTHEAST
OKLAHOMA AND NORTHEAST TEXAS UNTIL 400 PM CDT...
...WIDELY SCATTERED THUNDERSTORMS OVER NORTHEAST TEXAS...

AT 1140 AM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED WIDELY
SCATTERED SHOWERS AND THUNDERSTORMS OVER NORTHEAST TEXAS NEAR MT
VERNON.  THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE SOUTHEAST
AT 25 MPH.  RADAR ALSO SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS
OVER NORTH TEXAS THAT EXTENDED FROM NEAR BONHAM SOUTHWEST TO THE
DALLASN/FORT WORTH AREA.

THE SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE AND DEVELOP
SOUTHEAST OVER NORTHEAST TEXAS.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 3:29 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Webster	61 min
May 14, 3:55 PM CDT	Severe Thunderstorm Warning	SHV	Red River	65 min
May 14, 4:42 PM CDT	Severe Thunderstorm Warning	SHV	Caddo	63 min
May 14, 5:12 PM CDT	Severe Thunderstorm Warning	SHV	Natchitoches, Sabine	63 min
May 14, 5:42 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Caddo, Webster	63 min
May 14, 5:42 PM CDT	Severe Thunderstorm Warning	SHV	De Soto	63 min
May 14, 6:16 PM CDT	Severe Thunderstorm Warning	SHV	Natchitoches, Sabine	59 min
May 14, 6:45 PM CDT	Severe Thunderstorm Warning	SHV	Caddo, De Soto, Natchitoches	60 min
May 14, 6:45 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Webster	60 min
May 14, 6:45 PM CDT	Severe Thunderstorm Warning	SHV	Bossier	60 min
May 14, 4:17 PM CDT	Severe Thunderstorm Warning	SHV	Pike	58 min
May 14, 12:48 PM CDT	Severe Thunderstorm Warning	SHV	Cass	57 min
May 14, 6:16 PM CDT	Severe Thunderstorm Warning	SHV	Shelby	59 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1992 Every 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; the sounding from the Mesonet's radiosonde archive.