Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 131, NWS Mobile, AL

July 6, 2012Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jul 6, 2012, 6:39 AM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 51 min. 3 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
Jul 6, 2012, 6:39 AM CDT (11:39 UTC)
Expired
Jul 6, 2012, 7:30 AM CDT
In force
51 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 102 km from the middle of the area, began a volume at 11:40 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
Jul 6, 6:50 AM CDTTSTM WND DMG2 Nne Bellview, FLA TREE FELL ONTO A VEHICLE ON PINE FOREST ROAD...JUST NORTH OF BLUE ANGEL PARKWAY.
Jul 6, 6:50 AM CDTTSTM WND DMG5 Ese Bellview, FLTREES REPORTED DOWN NEAR W STREET AND GONZALEZ STREET...AND NEAR S STREET AND MAXWELL STREET.
Jul 6, 7:07 AM CDTTSTM WND GST 59Pensacola Naval Base, FLKNPA MEASURED A 51 KNOT OR 59 MPH WIND GUST

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.7 hours before the alert went out and 239 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 00:00Z on 2012-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2528 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 00:00Z on 2012-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
2528 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1266 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
77 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.

444 
WUUS54 KMOB 061139
SVRMOB
FLC033-113-061230-
/O.NEW.KMOB.SV.W.0131.120706T1139Z-120706T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
639 AM CDT FRI JUL 6 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 730 AM CDT

* AT 636 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
  WINDS OVER 60 MPH WAS LOCATED 3 MILES SOUTHEAST OF FERRY PASS...OR
  6 MILES SOUTHWEST OF MULAT...AND MOVING SOUTH AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MULAT...              ORIOLE BEACH...       GULF BREEZE...
  WEST PENSACOLA...     WARRINGTON...         PENSACOLA...
  MYRTLE GROVE...       GOULDING...           GONZALEZ...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 6 AND 23.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

&&

LAT...LON 3029 8744 3061 8729 3058 8717 3049 8714
      3050 8712 3057 8715 3054 8704 3044 8706
      3043 8710 3050 8711 3049 8714 3043 8717
      3038 8726 3033 8726 3035 8715 3034 8709
TIME...MOT...LOC 1139Z 022DEG 16KT 3046 8719

$$
2 follow-up statements
397 
WWUS54 KMOB 061207
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
707 AM CDT FRI JUL 6 2012

FLC113-061218-
/O.CAN.KMOB.SV.W.0131.000000T0000Z-120706T1230Z/
SANTA ROSA FL-
707 AM CDT FRI JUL 6 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR SOUTH
CENTRAL SANTA ROSA COUNTY...

AT 703 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTH CENTRAL
SANTA ROSA COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE SEVERE 
THUNDERSTORM WARNING HAS BEEN CANCELLED.

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

LAT...LON 3042 8738 3043 8735 3045 8737 3050 8735
      3049 8715 3043 8717 3038 8726 3033 8727
      3033 8720 3035 8715 3035 8711 3034 8711
      3033 8711 3031 8725 3032 8731 3029 8744
TIME...MOT...LOC 1208Z 010DEG 17KT 3034 8724

$$

FLC033-061230-
/O.CON.KMOB.SV.W.0131.000000T0000Z-120706T1230Z/
ESCAMBIA FL-
707 AM CDT FRI JUL 6 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR SOUTHEASTERN ESCAMBIA COUNTY...

AT 703 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 3 MILES SOUTHEAST OF WARRINGTON...OR 9
MILES WEST OF ORIOLE BEACH...MOVING SOUTH AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  WEST PENSACOLA...     WARRINGTON...         PENSACOLA...
  MYRTLE GROVE...       GOULDING...           BRENT...
  BELLVIEW...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

&&

LAT...LON 3042 8738 3043 8735 3045 8737 3050 8735
      3049 8715 3043 8717 3038 8726 3033 8727
      3033 8720 3035 8715 3035 8711 3034 8711
      3033 8711 3031 8725 3032 8731 3029 8744
TIME...MOT...LOC 1208Z 010DEG 17KT 3034 8724

$$
674 
WWUS54 KMOB 061233
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
733 AM CDT FRI JUL 6 2012

FLC033-061242-
/O.EXP.KMOB.SV.W.0131.000000T0000Z-120706T1230Z/
ESCAMBIA FL-
733 AM CDT FRI JUL 6 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR
SOUTHEASTERN ESCAMBIA COUNTY...

AT 731 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN
ESCAMBIA COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE.

ALTHOUGH THE STORMS ARE BELOW SEVERE LIMITS...STRONG STORMS WILL 
CONTINUE ACROSS EXTREME SOUTHERN ESCAMBIA COUNTY THROUGH 8 AM.

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

LAT...LON 3042 8738 3043 8735 3045 8737 3050 8735
      3049 8715 3043 8717 3038 8726 3033 8727
      3033 8720 3035 8715 3035 8711 3034 8711
      3033 8711 3031 8725 3032 8731 3029 8744
TIME...MOT...LOC 1207Z 010DEG 17KT 3034 8724

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 4:47 AM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa43 min
Jul 6, 5:24 AM CDTAreal Flood AdvisoryMOBSanta Rosa66 min
Jul 6, 6:24 AM CDTAreal Flood AdvisoryMOBEscambia, Okaloosa, Santa Rosa2 hr
Jul 6, 7:01 AM CDTFlash Flood WarningMOBSanta Rosa119 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.