Alert archive / Florida / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 103, NWS Mobile, AL

June 8, 2011Escambia County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jun 8, 2011, 1:17 PM CDT for Escambia County, Florida. It was in force for 28 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 8, 2011, 1:17 PM CDT (18:17 UTC)
Expired
Jun 8, 2011, 1:45 PM CDT
In force
28 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Escambia County, FL

The radar

The Mobile radar (KMOB), 78 km from the middle of the area, began a volume at 18:20 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 8, 1:35 PM CDTHAIL 18 Nw Molino, FLHAIL UP TO QUARTER SIZE REPORTED NORTHWEST OF MOLINO, FLORIDA IN THE DOGWOOD PARK AREA.

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, 6.3 hours before the alert went out and 226 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 2011-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1685 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 2011-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
1685 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
797 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
-5 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.

365 
WUUS54 KMOB 081817
SVRMOB
FLC033-081845-
/O.NEW.KMOB.SV.W.0103.110608T1817Z-110608T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
117 PM CDT WED JUN 8 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 145 PM CDT

* AT 116 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  MOLINO...OR 11 MILES SOUTH OF OAK GROVE...AND MOVING NORTH AT 15
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OAK GROVE AROUND 145 PM CDT...

&&

LAT...LON 3093 8757 3093 8733 3071 8731 3070 8745
TIME...MOT...LOC 1817Z 180DEG 12KT 3076 8740

$$
1 follow-up statement
967 
WWUS54 KMOB 081835
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
135 PM CDT WED JUN 8 2011

FLC033-081845-
/O.CON.KMOB.SV.W.0103.000000T0000Z-110608T1845Z/
ESCAMBIA FL-
135 PM CDT WED JUN 8 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT
FOR CENTRAL ESCAMBIA COUNTY...

AT 134 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR MCKINNON...OR 8 MILES NORTHWEST OF MOLINO...MOVING NORTH
AT 15 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  OAK GROVE...BOGIA AND 7 MILES SOUTHEAST OF WALNUT HILL BY 145 PM
  CDT...

LAT...LON 3093 8757 3093 8733 3071 8731 3070 8745
TIME...MOT...LOC 1835Z 180DEG 12KT 3080 8742

$$

Nearby

Severe Thunderstorm Warnings in Florida, 2011Every severe thunderstorm warning in 2011

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.