Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 196, NWS Mobile, AL

September 25, 2016Butler County, Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Sep 25, 2016, 3:00 PM CDT for Butler County, Crenshaw County, Alabama. It was in force for 13 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
Sep 25, 2016, 3:00 PM CDT (20:00 UTC)
Expired
Sep 25, 2016, 3:13 PM CDT
In force
13 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Butler County, AL, Crenshaw County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.0 hours before the alert went out and 179 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, Birmingham, AL at 12:00Z on 2016-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 351 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, Birmingham, AL at 12:00Z on 2016-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.193958Sfc1 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
351 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1572 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

219 
WUUS54 KMOB 252000
SVRMOB
ALC013-041-252100-
/O.NEW.KMOB.SV.W.0196.160925T2000Z-160925T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
300 PM CDT SUN SEP 25 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...
  EAST CENTRAL BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 400 PM CDT

* AT 259 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER RUTLEDGE...OR
  NEAR LUVERNE...MOVING SOUTHWEST AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  LUVERNE AND RUTLEDGE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3149 8639 3150 8640 3153 8640 3153 8642
      3177 8664 3187 8629 3168 8619
TIME...MOT...LOC 1959Z 061DEG 13KT 3173 8633 

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
063 
WWUS54 KMOB 252013
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
313 PM CDT SUN SEP 25 2016

ALC013-041-252023-
/O.CAN.KMOB.SV.W.0196.000000T0000Z-160925T2100Z/
CRENSHAW AL-BUTLER AL-
313 PM CDT SUN SEP 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CRENSHAW AND EAST
CENTRAL BUTLER COUNTIES IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 3149 8639 3150 8640 3153 8640 3153 8642
      3177 8664 3187 8629 3168 8619
TIME...MOT...LOC 2012Z 061DEG 13KT 3170 8638 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 6:35 AM CDTSpecial Marine WarningMOB55 min
Sep 25, 7:40 AM CDTSpecial Marine WarningMOB65 min
Sep 25, 2:00 PM CDTSpecial Weather StatementMOBBaldwin30 min
Sep 25, 2:12 PM CDTSpecial Weather StatementMOBEscambia33 min
Sep 25, 2:26 PM CDTSpecial Weather StatementMOBBaldwin34 min
Sep 25, 2:45 PM CDTSpecial Weather StatementMOBButler, Crenshaw45 min
Sep 25, 2:50 PM CDTSpecial Marine WarningMOB55 min
Sep 25, 3:44 PM CDTSpecial Weather StatementMOBBaldwin46 min
Sep 25, 3:46 PM CDTSpecial Weather StatementMOBCovington44 min
Sep 25, 3:55 PM CDTSevere Thunderstorm WarningMOBBaldwin50 min
Sep 25, 3:57 PM CDTSpecial Marine WarningMOB63 min
Sep 25, 4:37 PM CDTSpecial Weather StatementMOBMobile38 min
Sep 25, 4:41 PM CDTSpecial Weather StatementMOBConecuh34 min
Sep 25, 5:59 PM CDTSpecial Weather StatementMOBClarke31 min
Sep 25, 6:51 PM CDTSpecial Marine WarningMOB54 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2016Every severe thunderstorm warning in 2016

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.