Alert archive / Mississippi / Tornado Warnings in 2009
Tornado Warning 33, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 12, 2009, 11:27 PM CDT for Greene County, Perry County, Wayne County, Mississippi. It was in force for 50 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
- Apr 12, 2009, 11:27 PM CDT (04:27 UTC)
- Expired
- Apr 13, 2009, 12:17 AM CDT
- In force
- 50 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Greene County, MS, Perry County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 100 km from the middle of the area, began a volume at 04:30 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 |
|---|---|---|---|
| Apr 12, 8:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 4.5 hours before the alert went out and 150 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
- 1395 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 497 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 485 m²/s²
- 0-3 km storm-relative helicity
- 608 m²/s²
- Significant tornado parameter
- 5.0
- Supercell composite
- 19.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KMOB 130427
TORMOB
MSC041-111-153-130530-
/O.NEW.KMOB.TO.W.0033.090413T0427Z-090413T0530Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1127 PM CDT SUN APR 12 2009
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF LEAKESVILLE...
NORTHEASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 1230 AM CDT
* AT 1125 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR RICHTON...
OR ABOUT 12 MILES NORTHEAST OF NEW AUGUSTA...MOVING EAST AT 50 MPH.
* THE TORNADO WILL BE NEAR...
SAND HILL BY 1135 PM CDT...
BOTHWELL AND AVERA BY 1140 PM CDT...
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS. IN ADDITION TO THE TORNADO...THIS
STORM IS CAPABLE OF PRODUCING LARGE DAMAGING HAIL OR DAMAGING
STRAIGHT LINE WINDS.
IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...DITCH OR LOW DEPRESSION AND COVER YOUR
HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR
SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO
REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR SOUTHWESTERN
ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3144 8901 3145 8898 3144 8894 3146 8893
3155 8853 3113 8854 3126 8903
TIME...MOT...LOC 0427Z 277DEG 41KT 3134 8890
$$2 follow-up statements
000
WWUS54 KMOB 130446
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1146 PM CDT SUN APR 12 2009
MSC111-130456-
/O.CAN.KMOB.TO.W.0033.000000T0000Z-090413T0530Z/
PERRY MS-
1146 PM CDT SUN APR 12 2009
...THE TORNADO WARNING FOR NORTHEASTERN PERRY COUNTY IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR
SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO
REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR SOUTHWESTERN
ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3130 8879 3140 8882 3142 8880 3146 8881
3147 8884 3154 8856 3155 8853 3128 8854
TIME...MOT...LOC 0446Z 258DEG 39KT 3140 8869
$$
MSC041-153-130530-
/O.CON.KMOB.TO.W.0033.000000T0000Z-090413T0530Z/
GREENE MS-WAYNE MS-
1146 PM CDT SUN APR 12 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR SOUTH
CENTRAL WAYNE AND NORTHERN GREENE COUNTIES...
AT 1142 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS NEAR PIAVE...OR ABOUT 19 MILES NORTHWEST OF
LEAKESVILLE...MOVING EAST AT 45 MPH.
THE TORNADO WILL BE NEAR...
RURAL NORTHERN GREENE COUNTY AT MIDNIGHT CDT
RURAL SOUTHERN WAYNE COUNTY AT MIDNIGHT CDT
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS. IN ADDITION TO THE TORNADO...THIS
STORM IS CAPABLE OF PRODUCING LARGE DAMAGING HAIL OR DAMAGING
STRAIGHT LINE WINDS.
IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...DITCH OR LOW DEPRESSION AND COVER YOUR
HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR
SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO
REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR SOUTHWESTERN
ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3130 8879 3140 8882 3142 8880 3146 8881
3147 8884 3154 8856 3155 8853 3128 8854
TIME...MOT...LOC 0446Z 258DEG 39KT 3140 8869
$$000
WWUS54 KMOB 130517
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1217 AM CDT MON APR 13 2009
MSC041-153-130527-
/O.CAN.KMOB.TO.W.0033.000000T0000Z-090413T0530Z/
GREENE MS-WAYNE MS-
1217 AM CDT MON APR 13 2009
...THE TORNADO WARNING FOR SOUTH CENTRAL WAYNE AND NORTHERN GREENE
COUNTIES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR
SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO
REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR SOUTHWESTERN
ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3130 8879 3140 8882 3142 8880 3146 8881
3147 8884 3154 8856 3155 8853 3128 8854
TIME...MOT...LOC 0517Z 258DEG 39KT 3147 8830
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 9:07 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry, Wayne | 53 min |
| Apr 12, 9:51 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 39 min |
| Apr 12, 10:32 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 58 min |
| Apr 12, 11:01 PM CDT | Flash Flood Warning | MOB | Wayne | 119 min |
| Apr 12, 11:11 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry, Stone | 64 min |
| Apr 13, 12:55 AM CDT | Flash Flood Warning | MOB | Greene, Perry, Wayne | 3 hr |
| Apr 13, 2:35 AM CDT | Severe Thunderstorm Warning | MOB | George, Greene | 40 min |
| Apr 13, 3:50 AM CDT | Flash Flood Warning | MOB | George, Greene, Perry, Stone | 3 hr |
| Apr 13, 4:51 AM CDT | River Flood Warning | MOB | George, Greene, Perry | 6 days |
| Apr 13, 4:51 AM CDT | River Flood Warning | MOB | George, Greene, Wayne | 5 days |
| Apr 13, 8:32 AM CDT | River Flood Warning | MOB | George, Greene, Jackson | 5 days |
| Apr 13, 6:13 PM CDT | Severe Thunderstorm Warning | MOB | George, Stone | 47 min |
Nearby
Tornado Warnings in Mississippi, 2009Every tornado warning in 2009Tornadoes in 2009
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.