Alert archive / Florida / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 85, NWS Mobile, AL

May 28, 2014Escambia County, Santa Rosa County, Florida; Conecuh County, Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 28, 2014, 7:23 PM CDT for Escambia County, Santa Rosa County, Florida; Conecuh County, Escambia County, Alabama. It was in force for 67 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
May 28, 2014, 7:23 PM CDT (00:23 UTC)
Expired
May 28, 2014, 8:30 PM CDT
In force
67 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Conecuh County, AL, Escambia County, AL, Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 106 km from the middle of the area, began a volume at 00:23 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 00:00Z, 0.4 hours before the alert went out and 235 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 2014-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 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 2014-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
131 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
855 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
51 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.

174 
WUUS54 KMOB 290023
SVRMOB
ALC035-053-FLC033-113-290130-
/O.NEW.KMOB.SV.W.0085.140529T0023Z-140529T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
723 PM CDT WED MAY 28 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  NORTHWESTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  SOUTH CENTRAL CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  CENTRAL ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 830 PM CDT

* AT 718 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
  WINDS OVER 60 MPH WAS LOCATED 6 MILES NORTHWEST OF MOLINO...OR 16
  MILES SOUTHWEST OF PINE LEVEL...AND MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FLOMATON...           CENTURY...            I65 AND AL 41...
  POLLARD...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 73 AND 83.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS...WHICH MAY
PRODUCE FLOODING NEAR CREEKS AND IN POOR DRAINAGE AREAS. DO NOT DRIVE
YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3136 8722 3127 8696 3074 8737 3077 8745
TIME...MOT...LOC 0024Z 206DEG 33KT 3083 8736

$$
2 follow-up statements
472 
WWUS54 KMOB 290105
SVSMOB

 SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
805 PM CDT WED MAY 28 2014

FLC033-113-290115-
/O.CAN.KMOB.SV.W.0085.000000T0000Z-140529T0130Z/
SANTA ROSA FL-ESCAMBIA FL-
805 PM CDT WED MAY 28 2014

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
NORTHEASTERN ESCAMBIA AND NORTHWESTERN SANTA ROSA COUNTIES...

AT 801 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN 
ESCAMBIA AND NORTHWESTERN SANTA ROSA COUNTIES HAS MOVED OUT OF THE 
COUNTY...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

LAT...LON 3100 8735 3136 8722 3127 8696 3100 8717
TIME...MOT...LOC 0105Z 206DEG 33KT 3117 8717

$$

ALC035-053-290130-
/O.CON.KMOB.SV.W.0085.000000T0000Z-140529T0130Z/
CONECUH AL-ESCAMBIA AL-
805 PM CDT WED MAY 28 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR CENTRAL ESCAMBIA AND SOUTH CENTRAL CONECUH COUNTIES...

AT 801 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 7 MILES WEST OF BREWTON...OR 7 MILES
NORTH OF POLLARD...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  FLOMATON...           I65 AND AL 41...      POLLARD...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 74 AND 83.

LAT...LON 3100 8735 3136 8722 3127 8696 3100 8717
TIME...MOT...LOC 0105Z 206DEG 33KT 3117 8717

$$
309 
WWUS54 KMOB 290125
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
825 PM CDT WED MAY 28 2014

ALC035-053-290135-
/O.EXP.KMOB.SV.W.0085.000000T0000Z-140529T0130Z/
CONECUH AL-ESCAMBIA AL-
825 PM CDT WED MAY 28 2014

...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR
CENTRAL ESCAMBIA AND SOUTH CENTRAL CONECUH COUNTIES...

AT 820 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL
ESCAMBIA AND SOUTH CENTRAL CONECUH COUNTIES HAS WEAKENED TO BELOW
SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED 
TO EXPIRE AT 830 PM CDT. WINDS GUSTING TO 45 MPH ARE STILL POSSIBLE 
WITH THIS STORMS. PERSONS SHOULD REMAIN INDOORS UNTIL THIS STORM HAS 
PASSED. 

LAT...LON 3100 8735 3136 8722 3127 8696 3100 8717
TIME...MOT...LOC 0125Z 206DEG 33KT 3133 8708

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 9:02 PM CDTAreal Flood AdvisoryMOBEscambia, Santa Rosa118 min
May 29, 1:01 AM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa119 min
May 29, 5:51 AM CDTAreal Flood AdvisoryMOBOkaloosa3 hr
May 29, 6:03 PM CDTRiver Flood WarningMOBOkaloosa4 days
May 29, 1:28 AM CDTFlash Flood WarningMOBMobile2 hr
May 29, 3:27 AM CDTFlash Flood WarningMOBMobile3 hr

Nearby

Severe Thunderstorm Warnings in Florida, 2014Severe 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.