Alert archive / Alabama / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 83, NWS Mobile, AL

May 25, 2014Clarke County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 25, 2014, 7:42 PM CDT for Clarke County, Alabama. It was in force for 63 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 25, 2014, 7:42 PM CDT (00:42 UTC)
Expired
May 25, 2014, 8:45 PM CDT
In force
63 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Clarke County, AL

The radar

The Mobile radar (KMOB), 142 km from the middle of the area, began a volume at 00:44 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.

What was reported inside it

TimeReportWhereRemark
May 25, 7:50 PM CDTHAIL 13 W Fulton, ALHAIL...STARTED AS DIME TO NICKEL SIZE AND INCREASE TO QUARTER SIZE.
May 25, 7:59 PM CDTTSTM WND DMG2 Sse Thomasville, ALTREES DOWN SOUTH OF THOMASVILLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.7 hours before the alert went out and 170 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 00:00Z on 2014-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 533 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 00:00Z on 2014-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
533 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1786 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
44 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.

327 
WUUS54 KMOB 260042
SVRMOB
ALC025-260145-
/O.NEW.KMOB.SV.W.0083.140526T0042Z-140526T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
742 PM CDT SUN MAY 25 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 845 PM CDT

* AT 740 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
  SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 6 MILES NORTH
  OF GROVE HILL...OR 2 MILES WEST OF FULTON...AND MOVING NORTH AT 10
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  THOMASVILLE...        FULTON...

LAT...LON 3188 8767 3188 8763 3187 8762 3185 8762
      3172 8764 3172 8787 3199 8788 3200 8767
TIME...MOT...LOC 0041Z 187DEG 7KT 3179 8776

$$
1 follow-up statement
758 
WWUS54 KMOB 260101
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
801 PM CDT SUN MAY 25 2014

ALC025-260145-
/O.CON.KMOB.SV.W.0083.000000T0000Z-140526T0145Z/
CLARKE AL-
801 PM CDT SUN MAY 25 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTH CENTRAL CLARKE COUNTY...

AT 754 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 7 MILES SOUTH OF
THOMASVILLE...OR 3 MILES NORTHWEST OF FULTON...MOVING NORTH AT 10
MPH.

HAIL TO THE SIZE OF QUARTERS WAS REPORTED NEAR FULTON AROUND 750 PM 
CDT. 

LOCATIONS IMPACTED INCLUDE...
  THOMASVILLE...        FULTON...

LAT...LON 3188 8767 3188 8763 3187 8762 3185 8762
      3172 8764 3172 8787 3199 8788 3200 8767
TIME...MOT...LOC 0059Z 187DEG 7KT 3182 8775

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:19 PM CDTSevere Thunderstorm WarningMOBWilcox56 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.