Alert archive / Florida / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 9, NWS Mobile, AL

April 10, 2015Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Apr 10, 2015, 2:07 PM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 53 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
Apr 10, 2015, 2:07 PM CDT (19:07 UTC)
Expired
Apr 10, 2015, 3:00 PM CDT
In force
53 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 105 km from the middle of the area, began a volume at 19:09 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.1 hours before the alert went out and 251 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, Slidell Radar S, LA at 12:00Z on 2015-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2192 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, Slidell Radar S, LA at 12:00Z on 2015-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
2192 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

724 
WUUS54 KMOB 101907
SVRMOB
FLC033-113-102000-
/O.NEW.KMOB.SV.W.0009.150410T1907Z-150410T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
207 PM CDT FRI APR 10 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN SANTA ROSA COUNTY IN NORTHWESTERN FLORIDA...
  CENTRAL ESCAMBIA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 300 PM CDT

* AT 207 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
  SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED OVER MOLINO...
  AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOLINO...              WHITING FIELD...       ROEVILLE...
  WHITFIELD...           POINT BAKER...         BARTH...
  BERRYDALE...           BRICKTON...            MUNSON...
  QUINTETTE...           FLORIDALE...           SPRINGHILL...

LAT...LON 3065 8736 3083 8737 3099 8685 3067 8679
TIME...MOT...LOC 1907Z 255DEG 20KT 3076 8729 
$$

BUTTS
3 follow-up statements
816 
WWUS54 KMOB 101928
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
228 PM CDT FRI APR 10 2015

FLC033-101935-
/O.CAN.KMOB.SV.W.0009.000000T0000Z-150410T2000Z/
ESCAMBIA FL-
228 PM CDT FRI APR 10 2015

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

AT 225 PM CDT...THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF 
ESCAMBIA COUNTY.  AS SUCH...THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED.

HOWEVER...STRONG THUNDERSTORMS...CAPABLE OF PRODUCING WIND GUSTS OF 
40 TO 50 MPH...WILL REMAIN POSSIBLE IN AND AROUND THE BARTH 
COMMUNITY.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN 
MOBILE.

LAT...LON 3069 8727 3071 8727 3072 8728 3072 8730
      3074 8731 3079 8731 3081 8729 3085 8731
      3099 8685 3067 8679 3065 8726
TIME...MOT...LOC 1925Z 263DEG 20KT 3077 8717 

$$

FLC113-102000-
/O.CON.KMOB.SV.W.0009.000000T0000Z-150410T2000Z/
SANTA ROSA FL-
228 PM CDT FRI APR 10 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTHERN SANTA ROSA COUNTY...
    
AT 225 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 8 MILES
NORTHWEST OF POINT BAKER...OR 9 MILES EAST OF MOLINO...MOVING EAST AT
25 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS OFTEN PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING. PLEASE TAKE COVER UNTIL THE STORM PASSES.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN 
MOBILE.

&&

LAT...LON 3069 8727 3071 8727 3072 8728 3072 8730
      3074 8731 3079 8731 3081 8729 3085 8731
      3099 8685 3067 8679 3065 8726
TIME...MOT...LOC 1925Z 263DEG 20KT 3077 8717 
$$

BUTTS
593 
WWUS54 KMOB 101943
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
243 PM CDT FRI APR 10 2015

FLC113-102000-
/O.CON.KMOB.SV.W.0009.000000T0000Z-150410T2000Z/
SANTA ROSA FL-
243 PM CDT FRI APR 10 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTHEASTERN SANTA ROSA COUNTY...
    
AT 242 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED NEAR WHITING
FIELD...OR 10 MILES NORTH OF MILTON...MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
WHITING FIELD...       ROEVILLE...            WHITFIELD...
POINT BAKER...         FLORIDALE...           SPRINGHILL...
INDIAN FORD...         ALLENTOWN...           FIDELIS...
COBBTOWN...            BERRYDALE...           MUNSON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS OFTEN PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING. PLEASE TAKE COVER UNTIL THE STORM PASSES.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN 
MOBILE.

&&

LAT...LON 3099 8685 3067 8679 3065 8718 3089 8718
TIME...MOT...LOC 1942Z 258DEG 19KT 3077 8708 
$$

BUTTS
323 
WWUS54 KMOB 102000
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
300 PM CDT FRI APR 10 2015

FLC113-102008-
/O.EXP.KMOB.SV.W.0009.000000T0000Z-150410T2000Z/
SANTA ROSA FL-
300 PM CDT FRI APR 10 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SANTA ROSA COUNTY
WILL BE ALLOWED TO EXPIRE...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING FOR 
NORTHEASTERN SANTA ROSA COUNTY HAS WEAKENED BELOW SEVERE LIMITS.  AS 
SUCH...THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE AT 
300 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN 
MOBILE.

&&

LAT...LON 3099 8685 3067 8679 3065 8718 3089 8718
TIME...MOT...LOC 1954Z 255DEG 20KT 3077 8708 

$$

BUTTS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 1:38 PM CDTSpecial Weather StatementMOBSanta Rosa52 min

Nearby

Severe Thunderstorm Warnings in Florida, 2015Every severe thunderstorm warning in 2015

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.