Alert archive / Mississippi / Tornado Warnings in 2015
Tornado Warning 3, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Apr 9, 2015, 7:31 PM CDT for Amite County, Pike County, Walthall County, Mississippi; Saint Helena Parish, Tangipahoa Parish, Louisiana. It was in force for 29 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 9, 2015, 7:31 PM CDT (00:31 UTC)
- Expired
- Apr 9, 2015, 8:00 PM CDT
- In force
- 29 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
Counties Saint Helena Parish, LA, Tangipahoa Parish, LA, Amite County, MS, Pike County, MS, Walthall County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 9, 7:45 PM CDT | TSTM WND DMG | 3 E Greensburg, LA | A TREE WAS KNOCKED DOWN ALONG HIGHWAY 441 NORTH OF HIGHWAY 10. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 0.5 hours before the alert went out and 101 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
- 2164 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 719 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
145
WFUS54 KLIX 100031
TORLIX
LAC091-105-MSC005-113-147-100100-
/O.NEW.KLIX.TO.W.0003.150410T0031Z-150410T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
731 PM CDT THU APR 9 2015
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN TANGIPAHOA PARISH IN SOUTHEASTERN LOUISIANA...
NORTHEASTERN ST. HELENA PARISH IN SOUTHEASTERN LOUISIANA...
SOUTHEASTERN AMITE COUNTY IN SOUTHERN MISSISSIPPI...
SOUTHERN PIKE COUNTY IN SOUTHERN MISSISSIPPI...
SOUTHWESTERN WALTHALL COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 800 PM CDT
* AT 731 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
NEAR GREENSBURG...AND MOVING NORTHEAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
GREENSBURG...KENTWOOD...OSYKA AND TANGIPAHOA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3103 9014 3100 9019 3100 9035 3091 9035
3090 9033 3074 9058 3088 9072 3123 9034
TIME...MOT...LOC 0031Z 228DEG 36KT 3087 9059
$$
111 follow-up statement
409
WWUS54 KLIX 100101
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
801 PM CDT THU APR 9 2015
LAC091-105-MSC005-113-147-100110-
/O.EXP.KLIX.TO.W.0003.000000T0000Z-150410T0100Z/
TANGIPAHOA LA-ST. HELENA LA-AMITE MS-PIKE MS-WALTHALL MS-
801 PM CDT THU APR 9 2015
...THE TORNADO WARNING FOR NORTHWESTERN TANGIPAHOA AND NORTHEASTERN
ST. HELENA PARISHES...SOUTHEASTERN AMITE...SOUTHERN PIKE AND
SOUTHWESTERN WALTHALL COUNTIES HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS TO BE CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 3103 9014 3100 9019 3100 9035 3091 9035
3090 9033 3074 9058 3088 9072 3123 9034
TIME...MOT...LOC 0055Z 228DEG 36KT 3087 9059
$$
11The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 7:29 PM CDT | Special Weather Statement | LIX | Pike | 31 min |
| Apr 10, 1:16 PM CDT | Special Weather Statement | LIX | Amite, Pike | 59 min |
| Apr 10, 3:14 PM CDT | Special Weather Statement | LIX | Hancock, Pearl River | 61 min |
| Apr 10, 3:20 PM CDT | Severe Thunderstorm Warning | LIX | Pearl River | 25 min |
| Apr 10, 4:09 PM CDT | Special Weather Statement | LIX | Stone | 21 min |
| Apr 10, 9:19 AM CDT | Special Marine Warning | LIX | 116 min | |
| Apr 10, 10:51 AM CDT | Special Weather Statement | LIX | Pointe Coupee | 54 min |
| Apr 10, 11:33 AM CDT | Special Marine Warning | LIX | 117 min | |
| Apr 10, 11:45 AM CDT | Special Weather Statement | LIX | East Baton Rouge, West Baton Rouge | 60 min |
| Apr 10, 12:57 PM CDT | Special Weather Statement | LIX | Livingston | 63 min |
| Apr 10, 1:02 PM CDT | Special Weather Statement | LIX | Livingston | 28 min |
| Apr 10, 1:05 PM CDT | Special Marine Warning | LIX | 115 min | |
| Apr 10, 1:12 PM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, Livingston, Saint Helena, Tangipahoa | 33 min |
| Apr 10, 1:47 PM CDT | Special Weather Statement | LIX | Ascension, Assumption | 28 min |
| Apr 10, 2:08 PM CDT | Areal Flood Advisory | LIX | Livingston, Saint Helena, Tangipahoa, Washington | 52 min |
| Apr 10, 2:18 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa | 27 min |
| Apr 10, 2:35 PM CDT | Special Marine Warning | LIX | 85 min | |
| Apr 10, 3:52 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans, Saint Bernard | 113 min |
| Apr 10, 4:02 PM CDT | Special Marine Warning | LIX | 58 min | |
| Apr 10, 4:10 PM CDT | Special Weather Statement | LIX | Orleans | 35 min |
| Apr 10, 4:30 PM CDT | Special Marine Warning | LIX | 60 min | |
| Apr 10, 5:12 PM CDT | Special Marine Warning | LIX | 63 min | |
| Apr 10, 5:47 PM CDT | Special Marine Warning | LIX | 58 min |
Nearby
Tornado Warnings in Mississippi, 2015Tornado Warnings in Louisiana, 2015Every tornado warning in 2015Tornadoes in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.