Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 41, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Feb 1, 2012, 4:31 PM CST for Phillips County, Arkansas; Coahoma County, Mississippi. It was in force for 44 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
- Feb 1, 2012, 4:31 PM CST (22:31 UTC)
- Expired
- Feb 1, 2012, 5:15 PM CST
- In force
- 44 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Phillips County, AR, Coahoma County, MS
The radar
The Memphis radar (KNQA), 151 km from the middle of the area, began a volume at 22:34 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 |
|---|---|---|---|
| Feb 1, 5:00 PM CST | TSTM WND DMG | Clarksdale, MS | TREE DOWN ON RENO STREET. |
| Feb 1, 5:00 PM CST | TSTM WND GST 50 | 1 N Clarksdale, MS | |
| Feb 1, 5:05 PM CST | TSTM WND DMG | Clarksdale, MS | TREES DOWN IN A MOBILE HOME PARK. |
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 |
|---|---|---|---|
| Feb 1, 3:45 PM CST | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 10.5 hours before the alert went out and 100 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
- 34 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
983
WUUS54 KMEG 012231
SVRMEG
ARC107-MSC027-012315-
/O.NEW.KMEG.SV.W.0041.120201T2231Z-120201T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
431 PM CST WED FEB 1 2012
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN PHILLIPS COUNTY IN EASTERN ARKANSAS...
COAHOMA COUNTY IN NORTHWEST MISSISSIPPI...
* UNTIL 515 PM CST
* AT 431 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DESTRUCTIVE
WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED 6 MILES
SOUTHWEST OF ELAINE...AND MOVING EAST AT 35 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ELAINE AND
CLARKSDALE.
THIS WARNING ALSO INCLUDES AREAS NEAR HORSESHOE LAKE...MOON LAKE AND
OLD TOWN LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.
&&
LAT...LON 3438 9083 3435 9045 3398 9046 3398 9050
3401 9066 3411 9067 3412 9105
TIME...MOT...LOC 2231Z 285DEG 30KT 3425 9092
$$2 follow-up statements
213
WWUS54 KMEG 012255
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
455 PM CST WED FEB 1 2012
ARC107-012305-
/O.CAN.KMEG.SV.W.0041.000000T0000Z-120201T2315Z/
PHILLIPS AR-
455 PM CST WED FEB 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PHILLIPS COUNTY
IS CANCELLED...
AT 455 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA
AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE SEVERE THUNDERSTORM WARNING IS CANCELLED.
LAT...LON 3432 9068 3431 9066 3435 9067 3437 9066
3435 9045 3398 9046 3398 9050 3401 9066
3411 9066 3412 9078
TIME...MOT...LOC 2255Z 285DEG 30KT 3420 9069
$$
MSC027-012315-
/O.CON.KMEG.SV.W.0041.000000T0000Z-120201T2315Z/
COAHOMA MS-
455 PM CST WED FEB 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CST
FOR CENTRAL COAHOMA COUNTY...
AT 455 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR
SHERARD...OR 7 MILES WEST OF CLARKSDALE...MOVING EAST AT 35 MPH.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BOBO...
CLARKSDALE...LYON...BEVERLY...FARRELL...COUNTS...MATTSON...
CLAREMONT...LURAND...HOPSON...CLOVER HILL AND RUDYARD.
THIS WARNING ALSO INCLUDES AREAS NEAR HORSESHOE LAKE AND MOON LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.
&&
LAT...LON 3432 9068 3431 9066 3435 9067 3437 9066
3435 9045 3398 9046 3398 9050 3401 9066
3411 9066 3412 9078
TIME...MOT...LOC 2255Z 285DEG 30KT 3420 9069
$$198
WWUS54 KMEG 012313
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
513 PM CST WED FEB 1 2012
MSC027-012323-
/O.EXP.KMEG.SV.W.0041.000000T0000Z-120201T2315Z/
COAHOMA MS-
513 PM CST WED FEB 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL COAHOMA COUNTY WILL
EXPIRE AT 515 PM CST...
AT 513 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO
EXPIRE.
LAT...LON 3432 9068 3431 9066 3435 9067 3437 9066
3435 9045 3398 9046 3398 9050 3401 9066
3411 9066 3412 9078
TIME...MOT...LOC 2313Z 285DEG 30KT 3416 9052
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 6:16 AM CST | Dense Fog Advisory | MEG | Clay, Craighead, Greene, Lawrence, Randolph | 3 hr |
| Feb 1, 3:55 PM CST | Severe Thunderstorm Warning | MEG | Lee, Phillips | 50 min |
| Feb 1, 4:20 PM CST | Special Weather Statement | MEG | Lee | 25 min |
| Feb 1, 4:25 PM CST | Tornado Warning | MEG | Phillips | 35 min |
| Feb 1, 4:41 PM CST | Tornado Warning | MEG | Phillips | 49 min |
| Feb 1, 4:46 PM CST | Severe Thunderstorm Warning | MEG | Lee, Phillips | 44 min |
| Feb 1, 5:02 PM CST | Severe Thunderstorm Warning | MEG | Coahoma, Panola, Quitman, Tallahatchie | 43 min |
| Feb 1, 5:11 PM CST | Special Weather Statement | MEG | DeSoto | 34 min |
| Feb 1, 5:26 PM CST | Severe Thunderstorm Warning | MEG | Panola, Quitman, Tallahatchie | 34 min |
| Feb 1, 5:33 PM CST | Special Weather Statement | MEG | Panola | 27 min |
| Feb 1, 5:40 PM CST | Tornado Warning | MEG | Tallahatchie | 16 min |
| Feb 1, 5:44 PM CST | Severe Thunderstorm Warning | MEG | Lafayette, Panola, Tallahatchie, Yalobusha | 46 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2012Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.