Alert archive / Alabama / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 99, NWS Mobile, AL

July 9, 2007Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 9, 2007, 4:35 PM CDT for Crenshaw County, Alabama. It was in force for 23 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: Jul 9, 2007, 4:35 PM CDT (21:35 UTC)
Expired: Jul 9, 2007, 4:58 PM CDT
In force: 23 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Crenshaw County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.6 hours before the alert went out and 168 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: 2270 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 742 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 46 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.

000 
WUUS54 KMOB 092135
SVRMOB
ALC041-092215-
/O.NEW.KMOB.SV.W.0099.070709T2135Z-070709T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
435 PM CDT MON JUL 9 2007

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF LUVERNE...

* UNTIL 515 PM CDT

* AT 429 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  LUVERNE...AND MOVING SOUTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GLENWOOD BY 440 PM CDT...

LAT...LON 3184 8622 3168 8633 3159 8615 3179 8615

$$

1 follow-up statement

000 
WWUS54 KMOB 092158
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
458 PM CDT MON JUL 9 2007

ALC041-092208-
/O.CAN.KMOB.SV.W.0099.000000T0000Z-070709T2215Z/
CRENSHAW AL-
458 PM CDT MON JUL 9 2007

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CRENSHAW COUNTY
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY AND 
IS NO LONGER A THREAT TO CRENSHAW COUNTY. 

LAT...LON 3184 8622 3168 8633 3159 8615 3179 8615

$$

Nearby

Severe Thunderstorm Warnings in Alabama, 2007 Every severe thunderstorm warning in 2007

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.