Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 178, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 4, 2011, 6:39 PM CDT for George County, Greene County, Perry County, Mississippi. It was in force for 36 min. 1 report 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
- Jul 4, 2011, 6:39 PM CDT (23:39 UTC)
- Expired
- Jul 4, 2011, 7:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties George County, MS, Greene County, MS, Perry County, MS
The radar
The Mobile radar (KMOB), 62 km from the middle of the area, began a volume at 23:42 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 |
|---|---|---|---|
| Jul 4, 6:59 PM CDT | HAIL 1.25 | Leakesville, MS | GREENE COUNTY EMA REPORTED QUARTER TO HALF DOLLAR SIZE HAIL IN LEAKESVILLE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 11.7 hours before the alert went out and 130 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
- 2022 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1011 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
819
WUUS54 KMOB 042339
SVRMOB
MSC039-041-111-050015-
/O.NEW.KMOB.SV.W.0178.110704T2339Z-110705T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
639 PM CDT MON JUL 4 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF LEAKESVILLE...
SOUTHEASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 715 PM CDT
* AT 637 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES WEST OF LEAKESVILLE TO
16 MILES NORTHEAST OF WIGGINS...AND MOVING SOUTH AT 5 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
HILLMAN AROUND 705 PM CDT...
DEEP CREEK...BENJOE...AVENT AND MERRILL AROUND 715 PM CDT...
&&
LAT...LON 3134 8846 3106 8847 3084 8887 3091 8887
3091 8894 3099 8896
TIME...MOT...LOC 2339Z 016DEG 5KT 3117 8866 3097 8891
$$1 follow-up statement
801
WWUS54 KMOB 050001
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
701 PM CDT MON JUL 4 2011
MSC111-050010-
/O.CAN.KMOB.SV.W.0178.000000T0000Z-110705T0015Z/
PERRY MS-
701 PM CDT MON JUL 4 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PERRY COUNTY IS
CANCELLED...
LAT...LON 3107 8883 3134 8846 3106 8847 3087 8881
3093 8883 3100 8882 3100 8883
TIME...MOT...LOC 0000Z 272DEG 14KT 3115 8854 3100 8878
$$
MSC039-041-050015-
/O.CON.KMOB.SV.W.0178.000000T0000Z-110705T0015Z/
GEORGE MS-GREENE MS-
701 PM CDT MON JUL 4 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR SOUTHERN GREENE AND NORTH CENTRAL GEORGE COUNTIES...
AT 657 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM LEAKESVILLE TO BENJOE...OR
ALONG A LINE EXTENDING FROM LEAKESVILLE TO 13 MILES NORTHWEST OF
LUCEDALE...MOVING EAST AT 15 MPH. HALF DOLLAR SIZE HAIL...1.25
INCHES IN DIAMETER WAS REPORTED IN LEAKESVILLE MISSISSIPPI AT 7 PM.
SEVERE THUNDERSTORMS WILL BE NEAR...
MERRILL BY 710 PM CDT...
VERNAL...PISGAH AND BEXLEY BY 715 PM CDT...
LAT...LON 3107 8883 3134 8846 3106 8847 3087 8881
3093 8883 3100 8882 3100 8883
TIME...MOT...LOC 0000Z 272DEG 14KT 3115 8854 3100 8878
$$Nearby
Severe Thunderstorm Warnings in Mississippi, 2011Every severe thunderstorm warning 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.