Alert archive / Mississippi / Tornado Warnings in 2012
Tornado Warning 47, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Aug 29, 2012, 5:12 AM CDT for Forrest County, Mississippi. It was in force for 18 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, 5:12 AM CDT (10:12 UTC)
- Expired
- Aug 29, 2012, 5:30 AM CDT
- In force
- 18 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
County Forrest County, MS
The radar
The Mobile radar (KMOB), 104 km from the middle of the area, began a volume at 10:12 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, 10.2 hours before the alert went out and 89 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.
696
WFUS54 KJAN 291012
TORJAN
MSC035-291030-
/O.NEW.KJAN.TO.W.0047.120829T1012Z-120829T1030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
512 AM CDT WED AUG 29 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN FORREST COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 530 AM CDT
* AT 512 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
SOUTHEAST OF MAXIE MOVING NORTHWEST AT 45 MPH.
* THE TORNADO WILL BE NEAR...
ROCK HILL BY 530 AM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT WEDNESDAY MORNING
FOR SOUTHERN MISSISSIPPI.
&&
LAT...LON 3091 8934 3100 8934 3101 8935 3112 8934
3099 8913 3091 8913 3090 8927
TIME...MOT...LOC 1012Z 122DEG 38KT 3090 8917
$$
GRGThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 9:09 PM CDT | River Flood Warning | JAN | Franklin | 49 hr |
| Aug 29, 12:47 AM CDT | Special Weather Statement | JAN | Forrest, Lamar, Marion | 38 min |
| Aug 29, 5:53 AM CDT | Tornado Warning | JAN | Forrest | 22 min |
| Aug 29, 10:57 AM CDT | Flash Flood Warning | JAN | Forrest, Lamar, Marion | 6 hr |
| Aug 29, 11:51 AM CDT | Special Weather Statement | JAN | Forrest, Lamar, Marion | 59 min |
| Aug 29, 12:01 PM CDT | Special Weather Statement | JAN | Covington, Jefferson Davis, Lawrence | 59 min |
| Aug 29, 2:16 PM CDT | Special Weather Statement | JAN | Forrest, Lamar, Marion | 59 min |
| Aug 29, 3:38 PM CDT | Flash Flood Warning | JAN | Covington, Jefferson Davis, Lawrence, Lincoln | 6 hr |
| Aug 29, 4:44 PM CDT | Wind Advisory | JAN | Attala, Bolivar, Clarke, Copiah, Hinds, Holmes and 17 more | 23 hr |
| Aug 29, 4:46 PM CDT | Flash Flood Warning | JAN | Forrest, Jones, Lamar, Marion | 5 hr |
| Aug 29, 5:17 PM CDT | Special Weather Statement | JAN | Forrest, Jefferson Davis, Lamar, Lawrence, Lincoln, Marion | 58 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.