Alert archive / Louisiana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 113, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at May 31, 2012, 3:49 PM CDT for Washington Parish, Louisiana; Pearl River County, Mississippi. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 31, 2012, 3:49 PM CDT (20:49 UTC)
- Expired
- May 31, 2012, 4:15 PM CDT
- In force
- 26 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
Counties Washington Parish, LA, Pearl River County, MS
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 31, 2:53 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.8 hours before the alert went out and 77 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
- 1878 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 652 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
885
WUUS54 KLIX 312049
SVRLIX
LAC117-MSC109-312115-
/O.NEW.KLIX.SV.W.0113.120531T2049Z-120531T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
349 PM CDT THU MAY 31 2012
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN WASHINGTON PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF BOGALUSA...
NORTHWESTERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 415 PM CDT
* AT 347 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR VARNADO...OR 6 MILES NORTH OF BOGALUSA...AND MOVING NORTHEAST
AT 25 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ANGIE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. A
SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 600 PM CDT
THURSDAY EVENING FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3094 8946 3076 8991 3092 9001 3101 8982
3101 8978 3101 8959
TIME...MOT...LOC 2049Z 247DEG 23KT 3088 8988
$$1 follow-up statement
149
WWUS54 KLIX 312114
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
414 PM CDT THU MAY 31 2012
LAC117-MSC109-312123-
/O.EXP.KLIX.SV.W.0113.000000T0000Z-120531T2115Z/
PEARL RIVER MS-WASHINGTON LA-
414 PM CDT THU MAY 31 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PEARL RIVER
COUNTY...AND EASTERN WASHINGTON PARISH WILL EXPIRE AT 415 PM CDT...
THE STORM THAT PROMPTED THE WARNING HAS WEAKENED ALONG THE PEARL
RIVER...BUT COULD STILL PRODUCE SMALL HAIL AND WIND GUSTS TO 45 MPH.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3094 8946 3076 8991 3092 9001 3101 8982
3101 8978 3101 8959
TIME...MOT...LOC 2113Z 247DEG 23KT 3094 8971
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 2:00 PM CDT | Severe Thunderstorm Warning | LIX | Saint James, Saint John the Baptist | 60 min |
| May 31, 2:11 PM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, Saint Helena | 34 min |
| May 31, 2:39 PM CDT | Special Marine Warning | LIX | 96 min | |
| May 31, 2:50 PM CDT | Severe Thunderstorm Warning | LIX | Livingston, Tangipahoa | 25 min |
| May 31, 2:55 PM CDT | Tornado Warning | LIX | Livingston, Saint Helena, Tangipahoa | 35 min |
| May 31, 3:25 PM CDT | Special Marine Warning | LIX | 65 min | |
| May 31, 3:31 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 29 min |
| May 31, 4:00 PM CDT | Special Marine Warning | LIX | 30 min | |
| May 31, 5:17 PM CDT | Special Marine Warning | LIX | 88 min | |
| May 31, 5:33 PM CDT | Special Marine Warning | LIX | 87 min | |
| May 31, 6:12 PM CDT | Special Marine Warning | LIX | 63 min | |
| May 31, 6:45 PM CDT | Special Marine Warning | LIX | 60 min | |
| May 31, 2:32 PM CDT | Severe Thunderstorm Warning | LIX | Amite, Pike | 28 min |
| May 31, 3:06 PM CDT | Severe Thunderstorm Warning | LIX | Walthall | 24 min |
| May 31, 3:17 PM CDT | Severe Thunderstorm Warning | LIX | Walthall | 28 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2012Severe Thunderstorm Warnings in Mississippi, 2012Every severe thunderstorm warning in 2012
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.