Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 88, NWS Mobile, AL

June 7, 2011Greene County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jun 7, 2011, 3:57 PM CDT for Greene County, Mississippi. It was in force for 33 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, 3:57 PM CDT (20:57 UTC)
Expired: Jun 7, 2011, 4:30 PM CDT
In force: 33 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Greene County, MS

The radar

The Mobile radar (KMOB), 87 km from the middle of the area, began a volume at 20:58 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.0 hours before the alert went out and 160 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 639 J/kg
Mixed-layer CIN: -166 J/kg
Mixed-layer LCL: 1521 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

155 
WUUS54 KMOB 072057
SVRMOB
MSC041-072130-
/O.NEW.KMOB.SV.W.0088.110607T2057Z-110607T2130Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 430 PM CDT

* AT 354 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 13
  MILES EAST OF RICHTON...OR 16 MILES SOUTHWEST OF STATE LINE...AND
  MOVING NORTHEAST AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OLD AVERA...CLARK AND KITTRELL AROUND 430 PM CDT...

&&

LAT...LON 3144 8854 3127 8854 3127 8883 3144 8882
TIME...MOT...LOC 2057Z 243DEG 7KT 3133 8871

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 2:29 PM CDT	Severe Thunderstorm Warning	MOB	Perry, Wayne	16 min
Jun 7, 2:31 PM CDT	Areal Flood Advisory	MOB	Perry	59 min
Jun 7, 2:50 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	25 min
Jun 7, 3:19 PM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	26 min
Jun 7, 4:22 PM CDT	Areal Flood Advisory	MOB	Greene	113 min
Jun 7, 4:46 PM CDT	Severe Thunderstorm Warning	MOB	Greene, Wayne	44 min
Jun 7, 5:18 PM CDT	Severe Thunderstorm Warning	MOB	Greene	42 min
Jun 7, 5:35 PM CDT	Flash Flood Warning	MOB	Greene, Wayne	4 hr
Jun 7, 6:08 PM CDT	Severe Thunderstorm Warning	MOB	Greene, Wayne	52 min
Jun 7, 6:17 PM CDT	Severe Thunderstorm Warning	MOB	Greene	43 min
Jun 7, 6:38 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene	37 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2011 Every 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.