Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 114, NWS Mobile, AL

July 3, 2012Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jul 3, 2012, 4:12 PM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 52 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
Jul 3, 2012, 4:12 PM CDT (21:12 UTC)
Expired
Jul 3, 2012, 5:04 PM CDT
In force
52 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 100 km from the middle of the area, began a volume at 21:12 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, 9.2 hours before the alert went out and 241 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 2012-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1652 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 2012-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
1652 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
3 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.

443 
WUUS54 KMOB 032112
SVRMOB
FLC033-113-032215-
/O.NEW.KMOB.SV.W.0114.120703T2112Z-120703T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
412 PM CDT TUE JUL 3 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 515 PM CDT

* AT 407 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
  WINDS OVER 60 MPH WAS LOCATED 3 MILES WEST OF PACE...OR 4 MILES    
  NORTHWEST OF FLORIDATOWN...AND WAS NEARLY STATIONARY.

* LOCATIONS IMPACTED INCLUDE...
  WHITING FIELD...      ROEVILLE...           POINT BAKER...
  PEA RIDGE...          MULAT...              FLORIDATOWN...
  PACE...               MILTON...             BAGDAD...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 40.

LAT...LON 3048 8744 3049 8743 3052 8745 3064 8739
      3070 8745 3071 8745 3074 8683 3050 8683
      3049 8702 3054 8701 3054 8703 3049 8705
      3048 8711 3051 8710 3057 8717 3048 8716
      3047 8743
TIME...MOT...LOC 2112Z 341DEG 3KT 3061 8721

$$
1 follow-up statement
048 
WWUS54 KMOB 032204
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
504 PM CDT TUE JUL 3 2012

FLC033-113-032214-
/O.CAN.KMOB.SV.W.0114.000000T0000Z-120703T2215Z/
SANTA ROSA FL-ESCAMBIA FL-
504 PM CDT TUE JUL 3 2012

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

AT 459 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL
ESCAMBIA AND CENTRAL SANTA ROSA COUNTIES HAS WEAKENED TO BELOW SEVERE
LIMITS...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

TO REPORT SEVERE WEATHER...CALL (800) 284-9059.

LAT...LON 3048 8744 3049 8743 3052 8745 3064 8739
      3070 8745 3071 8745 3074 8683 3050 8683
      3049 8702 3054 8701 3054 8703 3049 8705
      3048 8711 3051 8710 3057 8717 3048 8716
      3047 8743
TIME...MOT...LOC 2204Z 341DEG 3KT 3057 8719

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 3:14 PM CDTSevere Thunderstorm WarningMOBEscambia61 min

Nearby

Severe Thunderstorm Warnings in Florida, 2012Every severe thunderstorm warning in 2012

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.