Alert archive / Louisiana / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 4, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Feb 11, 1993, 4:32 PM CST for Tangipahoa Parish, Louisiana. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Feb 11, 1993, 4:32 PM CST (22:32 UTC)
- Expired
- Feb 11, 1993, 5:15 PM CST
- In force
- 43 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Tangipahoa Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.5 hours before the alert went out and 80 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -99 m²/s²
- 0-3 km storm-relative helicity
- -194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 11, 4:01 PM CST, 31 minutes before
LAZ009-112300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 355 PM CST THU FEB 11 1993 ...THUNDERSTORM OVER BATON ROUGE METROPOLITAN AREA PRODUCING SMALL HAIL AND HEAVY RAIN... RADAR AND PUBLIC REPORTS INDICATES THAT A THUNDERSTORM OVER THE BATON ROUGE AREA IS PRODUCING SMALL HAIL AND HEAVY RAIN ACROSS THE SOUTHERN PART OF THE CITY. HAIL UP TO 1/2 INCHHAS BEEN REPORTED IN BRUSLY... THE INTERSTATE 10/12 AREA AND JEFFERSON H6IGHWAY IN SOUTH BATON ROUGE. THE THUNDERSTORM WAS MOVING TO THE EAST AROUND 25 MPH AND WILL CONTINUE ACROSS PARTS OF LIVINGSTON PARISH FOR THE NEXT HOUR.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 4:41 PM CST | Tornado Warning | LIX | Tangipahoa | 34 min |
| Feb 11, 5:10 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 50 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.