Alert archive / Florida / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 76, NWS Mobile, AL

June 9, 2007Escambia County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jun 9, 2007, 3:53 PM CDT for Escambia County, Florida. It was in force for 52 min. 1 report 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
Jun 9, 2007, 3:53 PM CDT (20:53 UTC)
Expired
Jun 9, 2007, 4:45 PM CDT
In force
52 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Escambia County, FL

The radar

The Mobile radar (KMOB), 89 km from the middle of the area, began a volume at 20:53 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
Jun 9, 4:05 PM CDTTSTM WND GST 60Cantonment, FL

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 12:00Z, 8.9 hours before the alert went out and 233 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 2007-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1517 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 2007-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
1517 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-8 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.

000 
WUUS54 KMOB 092052
SVRMOB
FLC033-092145-
/O.NEW.KMOB.SV.W.0076.070609T2053Z-070609T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
353 PM CDT SAT JUN 9 2007

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 445 PM CDT

* AT 349 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR COTTAGE HILL...OR
  ABOUT 17 MILES NORTHWEST OF PENSACOLA...AND MOVING SOUTHEAST AT 25
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GONZALEZ BY 400 PM CDT...
  ENSLEY BY 410 PM CDT...

LAT...LON 3074 8729 3068 8740 3059 8740 3046 8736
      3057 8720 3062 8725

$$
2 follow-up statements
000 
WWUS54 KMOB 092118
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
418 PM CDT SAT JUN 9 2007

FLC033-092145-
/O.CON.KMOB.SV.W.0076.000000T0000Z-070609T2145Z/
ESCAMBIA FL-
418 PM CDT SAT JUN 9 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR CENTRAL ESCAMBIA COUNTY...

AT 414 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR BEULAH...OR ABOUT 12 MILES NORTHWEST OF PENSACOLA...
MOVING SOUTHWEST AT 30 MPH.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3065 8726 3061 8740 3053 8744 3042 8738
      3042 8720 3062 8725

$$
000 
WWUS54 KMOB 092141
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
441 PM CDT SAT JUN 9 2007

FLC033-092151-
/O.EXP.KMOB.SV.W.0076.000000T0000Z-070609T2145Z/
ESCAMBIA FL-
441 PM CDT SAT JUN 9 2007

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ESCAMBIA COUNTY WILL 
BE ALLOWED TO EXPIRE AT 445 PM CDT...

THE SEVERE THUNDERSTORMS HAVE NOW MOVED INTO SOUTHEASTERN BALDWIN 
COUNTY.

LAT...LON 3065 8726 3061 8740 3053 8744 3042 8738
      3042 8720 3062 8725

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 5:51 AM CDTFire Weather WatchMOB9 hr
Jun 9, 2:38 PM CDTFire Weather WatchMOBWalton24 hr
Jun 9, 2:38 PM CDTRed Flag WarningMOBWalton24 hr
Jun 9, 3:19 PM CDTSevere Thunderstorm WarningMOBSanta Rosa26 min
Jun 9, 3:42 PM CDTSpecial Marine WarningMOB33 min
Jun 9, 4:18 PM CDTSpecial Marine WarningMOB27 min
Jun 9, 4:46 PM CDTSpecial Marine WarningMOB59 min

Nearby

Severe Thunderstorm Warnings in Florida, 2007Every severe thunderstorm warning in 2007

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.