Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 2, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jan 8, 2012, 4:45 PM CST for Jefferson Davis County, Lawrence County, Mississippi. It was in force for 45 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
- Jan 8, 2012, 4:45 PM CST (22:45 UTC)
- Expired
- Jan 8, 2012, 5:30 PM CST
- In force
- 45 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
The radar
The Jackson/Brandon,MS radar (KDGX), 71 km from the middle of the area, began a volume at 22:47 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 nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 10.8 hours before the alert went out and 76 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
- 76 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 457 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
511 WUUS54 KJAN 082245 SVRJAN MSC065-077-082330- /O.NEW.KJAN.SV.W.0002.120108T2245Z-120108T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 445 PM CST SUN JAN 8 2012 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI... CENTRAL LAWRENCE COUNTY IN SOUTH CENTRAL MISSISSIPPI... * UNTIL 530 PM CST * AT 445 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WANILLA MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... PROGRESS BY 515 PM CST... PRENTISS BY 525 PM CST... PRECAUTIONARY/PREPAREDNESS ACTIONS... WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES COULD OCCUR. && LAT...LON 3173 8986 3151 8984 3153 9021 3171 9020 TIME...MOT...LOC 2245Z 272DEG 18KT 3162 9010 $$ 40
1 follow-up statement
181 WWUS54 KJAN 082329 SVSJAN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 529 PM CST SUN JAN 8 2012 MSC065-077-082339- /O.EXP.KJAN.SV.W.0002.000000T0000Z-120108T2330Z/ LAWRENCE MS-JEFFERSON DAVIS MS- 529 PM CST SUN JAN 8 2012 ...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL JEFFERSON DAVIS AND CENTRAL LAWRENCE COUNTIES EXPIRES AT 530 PM CST... THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS WEAKENED AS IT PASSED NEAR SILVER CREEK MOVING EAST AT 20 MPH. THE STORM WILL STILL PRODUCE BRIEF HEAVY RAINS AND LIGHTNING STRIKES HOWEVER SHOULD REMAIN BELOW SEVERE LIMITS AND THE WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 3173 8986 3151 8984 3153 9021 3171 9020 TIME...MOT...LOC 2329Z 272DEG 18KT 3161 8993 $$ 40
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 3:49 PM CST | Special Weather Statement | JAN | Covington | 41 min |
| Jan 8, 4:24 PM CST | Severe Thunderstorm Warning | JAN | Jones | 51 min |
| Jan 8, 4:55 PM CST | Special Weather Statement | JAN | Simpson | 30 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2012Every severe thunderstorm warning 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.