Alert archive / Mississippi / Tornado Warnings in 2012
Tornado Warning 53, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Aug 29, 2012, 6:20 AM CDT for Harrison County, Mississippi. It was in force for 25 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
- Aug 29, 2012, 6:20 AM CDT (11:20 UTC)
- Expired
- Aug 29, 2012, 6:45 AM CDT
- In force
- 25 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
County Harrison County, MS
The radar
The Mobile radar (KMOB), 89 km from the middle of the area, began a volume at 11:23 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 28, 6:47 PM CDT | Tornado Watch | SPC | 21 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 11.3 hours before the alert went out and 61 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
- 275 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 509 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 392 m²/s²
- 0-3 km storm-relative helicity
- 473 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 8.0
The text
As transmitted, in the capitals the NWS used until 2016.
810
WFUS54 KLIX 291120
TORLIX
MSC047-291145-
/O.NEW.KLIX.TO.W.0053.120829T1120Z-120829T1145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
620 AM CDT WED AUG 29 2012
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
HARRISON COUNTY IN SOUTHERN MISSISSIPPI...
THIS INCLUDES THE CITIES OF...LONG BEACH...GULFPORT...BILOXI...
* UNTIL 645 AM CDT
* AT 612 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
TWO SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO...ONE NEAR
LYMAN...AND ANOTHER 4 MILES SOUTH OF BILOXI...MOVING NORTHWEST AT
55 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GULFPORT AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT WEDNESDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3038 8901 3032 8922 3044 8934 3065 8934
3065 8925 3067 8924 3069 8923 3069 8920
3039 8888 3038 8889
TIME...MOT...LOC 1119Z 134DEG 49KT 3050 8917 3035 8901
$$1 follow-up statement
245
WWUS54 KLIX 291139
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
639 AM CDT WED AUG 29 2012
MSC047-291147-
/O.EXP.KLIX.TO.W.0053.000000T0000Z-120829T1145Z/
HARRISON MS-
639 AM CDT WED AUG 29 2012
...THE TORNADO WARNING FOR HARRISON COUNTY WILL EXPIRE AT 645 AM
CDT...
AT 637 AM CDT...THE THUNDERSTORMS THAT PROMPTED THE TORNADO WARNINGS
HAD WEAKENED...AND UNLESS ROTATION STRENGTHENS...THE WARNING WILL BE
ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT WEDNESDAY
AFTERNOON FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3038 8901 3032 8922 3044 8934 3065 8934
3065 8925 3067 8924 3069 8923 3069 8920
3039 8888 3038 8889
TIME...MOT...LOC 1137Z 134DEG 49KT 3067 8938 3052 8922
$$
22/TDThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 9:21 PM CDT | River Flood Warning | LIX | Pike, Walthall | 4 days |
| Aug 28, 9:37 PM CDT | River Flood Warning | LIX | Hancock, Pearl River | 11 days |
| Aug 28, 9:43 PM CDT | River Flood Warning | LIX | Hancock, Pearl River | 13 days |
| Aug 28, 9:47 PM CDT | River Flood Warning | LIX | Pearl River | 5 days |
| Aug 28, 9:53 PM CDT | River Flood Warning | LIX | Pearl River | 4 days |
| Aug 28, 9:58 PM CDT | River Flood Warning | LIX | Jackson | 6 days |
| Aug 28, 10:13 PM CDT | River Flood Warning | LIX | Harrison | 4 days |
| Aug 29, 3:06 AM CDT | Tornado Warning | LIX | Jackson | 24 min |
| Aug 29, 4:09 AM CDT | Tornado Warning | LIX | Jackson | 21 min |
| Aug 29, 4:39 AM CDT | Flash Flood Warning | LIX | Jackson | 3 hr |
| Aug 29, 4:52 AM CDT | Tornado Warning | LIX | Hancock, Harrison | 23 min |
| Aug 29, 4:55 AM CDT | Tornado Warning | LIX | Jackson | 20 min |
| Aug 29, 5:18 AM CDT | Tornado Warning | LIX | Jackson | 27 min |
| Aug 29, 5:36 AM CDT | Tornado Warning | LIX | Jackson | 24 min |
| Aug 29, 8:58 AM CDT | Tornado Warning | LIX | Hancock, Harrison | 17 min |
| Aug 29, 9:15 AM CDT | Tornado Warning | LIX | Hancock, Pearl River | 11 min |
| Aug 29, 10:49 AM CDT | Tornado Warning | LIX | Hancock, Harrison, Pearl River | 26 min |
| Aug 29, 12:20 PM CDT | Tornado Warning | LIX | Hancock, Harrison, Pearl River | 25 min |
| Aug 29, 12:28 PM CDT | Tornado Warning | LIX | Harrison | 32 min |
| Aug 29, 1:00 PM CDT | Tornado Warning | LIX | Harrison | 30 min |
| Aug 29, 1:20 PM CDT | Flash Flood Warning | LIX | Harrison | 3 hr |
| Aug 29, 1:51 PM CDT | Flash Flood Warning | LIX | Pearl River, Walthall | 3 hr |
| Aug 29, 3:48 PM CDT | Tornado Warning | LIX | Harrison | 27 min |
| Aug 29, 4:15 PM CDT | Flash Flood Warning | LIX | Harrison | 4 hr |
| Aug 29, 4:44 PM CDT | Flash Flood Warning | LIX | Pearl River, Walthall | 3 hr |
| Aug 29, 5:14 PM CDT | Tornado Warning | LIX | Harrison | 31 min |
| Aug 29, 6:30 PM CDT | Tornado Warning | LIX | Harrison | 30 min |
Nearby
Tornado Warnings in Mississippi, 2012Every tornado warning in 2012Tornadoes 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; radar from the NEXRAD Level II archive.