Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 92, NWS Mobile, AL

June 7, 2011Greene County, Wayne County, Mississippi; Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 7, 2011, 4:46 PM CDT for Greene County, Wayne County, Mississippi; Washington County, Alabama. It was in force for 44 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
Jun 7, 2011, 4:46 PM CDT (21:46 UTC)
Expired
Jun 7, 2011, 5:30 PM CDT
In force
44 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Washington County, AL, Greene County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 96 km from the middle of the area, began a volume at 21:49 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, 9.8 hours before the alert went out and 166 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2011-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2011-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1725 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
1495 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

342 
WUUS54 KMOB 072146
SVRMOB
ALC129-MSC041-153-072230-
/O.NEW.KMOB.SV.W.0092.110607T2146Z-110607T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
446 PM CDT TUE JUN 7 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHEASTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF WAYNESBORO...
  WEST CENTRAL WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 530 PM CDT

* AT 444 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 14
  MILES WEST OF CHATOM...OR NEAR STATE LINE...AND MOVING NORTHWEST AT
  15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ROBINSON JUNCTION AROUND 515 PM CDT...

&&

LAT...LON 3143 8883 3174 8860 3151 8832 3129 8852
TIME...MOT...LOC 2146Z 118DEG 14KT 3145 8849

$$
1 follow-up statement
323 
WWUS54 KMOB 072203
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
503 PM CDT TUE JUN 7 2011

ALC129-MSC041-153-072230-
/O.CON.KMOB.SV.W.0092.000000T0000Z-110607T2230Z/
WASHINGTON AL-GREENE MS-WAYNE MS-
503 PM CDT TUE JUN 7 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHEASTERN WAYNE...NORTHERN GREENE AND WEST CENTRAL WASHINGTON
COUNTIES...

AT 458 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE 
HAIL AND DAMAGING WINDS NEAR 65 MPH.  THIS STORM WAS LOCATED NEAR 
STATE LINE...OR 14 MILES WEST OF CHATOM...MOVING NORTHWEST AT 10 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BATTLES AND KITTRELL BY 515 PM CDT...
  7 MILES SOUTHWEST OF BELMONT BY 525 PM CDT...
  BUCKATUNNA...CHICORA...6 MILES SOUTH OF ROBINSONS JUNCTION AND 6
  MILES SOUTH OF ROBINSON JUNCTION BY 530 PM CDT...

LAT...LON 3143 8883 3174 8860 3151 8832 3129 8852
TIME...MOT...LOC 2203Z 126DEG 10KT 3145 8851

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 2:29 PM CDTSevere Thunderstorm WarningMOBPerry, Wayne16 min
Jun 7, 2:31 PM CDTAreal Flood AdvisoryMOBPerry59 min
Jun 7, 2:50 PM CDTSevere Thunderstorm WarningMOBWayne25 min
Jun 7, 3:19 PM CDTSevere Thunderstorm WarningMOBGreene, Perry, Wayne26 min
Jun 7, 3:57 PM CDTSevere Thunderstorm WarningMOBGreene33 min
Jun 7, 4:22 PM CDTAreal Flood AdvisoryMOBGreene113 min
Jun 7, 5:18 PM CDTSevere Thunderstorm WarningMOBGreene42 min
Jun 7, 5:35 PM CDTFlash Flood WarningMOBGreene, Wayne4 hr
Jun 7, 6:08 PM CDTSevere Thunderstorm WarningMOBGreene, Wayne52 min
Jun 7, 6:17 PM CDTSevere Thunderstorm WarningMOBGreene43 min
Jun 7, 6:38 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene37 min
Jun 7, 12:33 AM CDTSpecial Marine WarningMOB87 min
Jun 7, 2:11 AM CDTSpecial Marine WarningMOB94 min
Jun 7, 3:16 AM CDTSpecial Marine WarningMOB44 min
Jun 7, 4:10 PM CDTSevere Thunderstorm WarningMOBEscambia35 min
Jun 7, 4:30 PM CDTSevere Thunderstorm WarningMOBConecuh, Escambia45 min
Jun 7, 4:36 PM CDTSevere Thunderstorm WarningMOBMonroe39 min
Jun 7, 4:52 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Escambia, Monroe38 min
Jun 7, 5:07 PM CDTSevere Thunderstorm WarningMOBClarke, Washington16 min
Jun 7, 5:19 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Escambia, Monroe, Washington41 min
Jun 7, 5:39 PM CDTSevere Thunderstorm WarningMOBBaldwin, Choctaw, Clarke, Mobile, Monroe, Washington51 min
Jun 7, 5:53 PM CDTSevere Thunderstorm WarningMOBWashington37 min
Jun 7, 6:47 PM CDTSpecial Marine WarningMOB88 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2011Severe Thunderstorm Warnings in Alabama, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.