Alert archive / Alabama / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 113, NWS Mobile, AL

June 22, 2014Conecuh County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 22, 2014, 5:29 PM CDT for Conecuh County, Alabama. It was in force for 26 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 22, 2014, 5:29 PM CDT (22:29 UTC)
Expired
Jun 22, 2014, 5:55 PM CDT
In force
26 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Conecuh County, AL

The radar

The Mobile radar (KMOB), 142 km from the middle of the area, began a volume at 22:32 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

Birmingham, AL (KBMX), launched 12:00Z, 10.5 hours before the alert went out and 194 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 2014-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1774 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 2014-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
1774 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
62 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.

005 
WUUS54 KMOB 222229
SVRMOB
ALC035-222315-
/O.NEW.KMOB.SV.W.0113.140622T2229Z-140622T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
529 PM CDT SUN JUN 22 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 615 PM CDT

* AT 527 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
  WINDS OVER 60 MPH WAS LOCATED 9 MILES WEST OF EVERGREEN...OR 6
  MILES WEST OF I65 AND US 84...AND MOVING EAST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  I65 AND US 84...      I65 AND AL 83...      EVERGREEN...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 88 AND 97.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3155 8700 3134 8691 3137 8716 3145 8718
TIME...MOT...LOC 2229Z 267DEG 6KT 3142 8710

$$
1 follow-up statement
008 
WWUS54 KMOB 222255
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
555 PM CDT SUN JUN 22 2014

ALC035-222305-
/O.CAN.KMOB.SV.W.0113.000000T0000Z-140622T2315Z/
CONECUH AL-
555 PM CDT SUN JUN 22 2014

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR CENTRAL
CONECUH COUNTY...

AT 551 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL
CONECUH COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.

LAT...LON 3155 8700 3134 8691 3137 8716 3145 8718
TIME...MOT...LOC 2255Z 267DEG 6KT 3142 8705

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 3:22 PM CDTSevere Thunderstorm WarningMOBCrenshaw35 min
Jun 22, 3:34 PM CDTSevere Thunderstorm WarningMOBCovington41 min
Jun 22, 5:28 PM CDTSevere Thunderstorm WarningMOBEscambia32 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2014Every severe thunderstorm warning in 2014

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.