Alert archive / Mississippi / Tornado Warnings in 2011
Tornado Warning 137, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Sep 4, 2011, 12:40 AM CDT for Harrison County, Mississippi. It was in force for 20 min. 3 reports 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
- Sep 4, 2011, 12:40 AM CDT (05:40 UTC)
- Expired
- Sep 4, 2011, 1:00 AM CDT
- In force
- 20 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
County Harrison County, MS
The radar
The Mobile radar (KMOB), 91 km from the middle of the area, began a volume at 05:43 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 4, 12:42 AM CDT | TORNADO | 6 Nw Gulfport Airport, MS | ROOF DAMAGE IN ROBIN WOOD FOREST SUBDIVISION. REPORTED BY WLOX MET. |
| Sep 4, 12:58 AM CDT | TORNADO | Saucier, MS | MS HIGHWAY PATROL RELAYED PUBLIC REPORTS FROM MOTORISTS ON HIGHWAY 49 CONFIRMING A TOUCH DOWN OF A TORNADO. |
| Sep 4, 1:00 AM CDT | TORNADO | Saucier, MS | CAMPER DAMAGES AND TREES UPROOTED ON BOND ROAD. EVENT TIME ESTIMATED FROM RADAR. REPORT RECEIVED 129 AM CDT. REPORTED BY WLOX MET. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 3, 9:43 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 5.7 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
- 1081 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
679
WFUS54 KLIX 040540
TORLIX
MSC047-040600-
/O.NEW.KLIX.TO.W.0137.110904T0540Z-110904T0600Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1240 AM CDT SUN SEP 4 2011
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN HARRISON COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 100 AM CDT
* AT 1237 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LYMAN...OR
6 MILES NORTHWEST OF GULFPORT...MOVING NORTH AT 30 MPH.
* THE TORNADO WILL BE NEAR...
SAUCIER BY 100 AM CDT...
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT SUNDAY MORNING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3042 8916 3065 8929 3065 8924 3068 8924
3068 8911 3044 8907
TIME...MOT...LOC 0540Z 171DEG 28KT 3049 8913
$$
24/RR1 follow-up statement
744
WWUS54 KLIX 040552
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1252 AM CDT SUN SEP 4 2011
MSC047-040600-
/O.CON.KLIX.TO.W.0137.000000T0000Z-110904T0600Z/
HARRISON MS-
1252 AM CDT SUN SEP 4 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR WESTERN
HARRISON COUNTY...
AT 1251 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR SAUCIER...OR 14
MILES NORTH OF GULFPORT...MOVING NORTH AT 30 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT SUNDAY MORNING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3042 8916 3065 8929 3065 8924 3068 8924
3068 8911 3044 8907
TIME...MOT...LOC 0552Z 171DEG 28KT 3058 8915
$$
24/RRThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 7:02 PM CDT | Tornado Warning | LIX | Harrison | 13 min |
| Sep 3, 8:58 PM CDT | Tornado Warning | LIX | Harrison | 47 min |
| Sep 3, 9:37 PM CDT | Tornado Warning | LIX | Hancock, Harrison | 38 min |
| Sep 3, 10:16 PM CDT | Tornado Warning | LIX | Hancock, Pearl River | 29 min |
| Sep 3, 11:22 PM CDT | Tornado Warning | LIX | Hancock, Harrison | 23 min |
| Sep 3, 11:41 PM CDT | Tornado Warning | LIX | Hancock, Harrison, Pearl River | 34 min |
| Sep 4, 12:41 AM CDT | Tornado Warning | LIX | Harrison | 34 min |
| Sep 4, 1:00 AM CDT | Tornado Warning | LIX | Harrison | 15 min |
| Sep 4, 1:14 AM CDT | Tornado Warning | LIX | Jackson | 31 min |
| Sep 4, 3:23 AM CDT | Tornado Warning | LIX | Walthall | 14 min |
| Sep 4, 4:45 AM CDT | Tornado Warning | LIX | Hancock, Harrison | 45 min |
| Sep 4, 5:09 AM CDT | Tornado Warning | LIX | Hancock, Pearl River | 51 min |
| Sep 4, 5:27 AM CDT | Tornado Warning | LIX | Hancock, Pearl River | 33 min |
| Sep 4, 8:38 AM CDT | Flash Flood Warning | LIX | Pearl River | 3 hr |
| Sep 4, 10:30 AM CDT | Flash Flood Warning | LIX | Harrison, Jackson | 3 hr |
| Sep 4, 10:51 AM CDT | Tornado Warning | LIX | Harrison | 24 min |
| Sep 4, 11:00 AM CDT | River Flood Warning | LIX | Hancock, Pearl River | 16 days |
| Sep 4, 11:00 AM CDT | River Flood Warning | LIX | Hancock, Pearl River | 18 days |
| Sep 4, 1:21 PM CDT | Tornado Warning | LIX | Harrison, Jackson | 39 min |
| Sep 4, 1:27 PM CDT | Flash Flood Warning | LIX | Harrison, Jackson | 3 hr |
| Sep 4, 1:56 PM CDT | Tornado Warning | LIX | Jackson | 34 min |
| Sep 4, 2:32 PM CDT | Tornado Warning | LIX | Pike | 28 min |
| Sep 4, 2:59 PM CDT | Tornado Warning | LIX | Amite, Pike | 46 min |
| Sep 4, 3:43 PM CDT | Tornado Warning | LIX | Pike, Walthall | 47 min |
Nearby
Tornado Warnings in Mississippi, 2011Every tornado warning in 2011Tornadoes in 2011
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; radar from the NEXRAD Level II archive.