Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 78, NWS Mobile, AL

June 6, 2011Baldwin County, Alabama; Escambia County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jun 6, 2011, 2:24 PM CDT for Baldwin County, Alabama; Escambia County, Florida. It was in force for 31 min. 2 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
Jun 6, 2011, 2:24 PM CDT (19:24 UTC)
Expired
Jun 6, 2011, 2:55 PM CDT
In force
31 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Baldwin County, AL, Escambia County, FL

The radar

The Mobile radar (KMOB), 82 km from the middle of the area, began a volume at 19:26 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 6, 2:40 PM CDTHAIL 0.88Bellview, FL
Jun 6, 2:45 PM CDTHAIL 1.751 E Bellview, FLGOLFALL SIZE HAIL REPORTED AT PUBLIX

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, 7.4 hours before the alert went out and 216 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 2011-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3013 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 2011-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
3013 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1021 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
54 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.

366 
WUUS54 KMOB 061924
SVRMOB
ALC003-FLC033-062015-
/O.NEW.KMOB.SV.W.0078.110606T1924Z-110606T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
224 PM CDT MON JUN 6 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITIES OF...MYRTLE GROVE...BELLVIEW...
  SOUTHEASTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 315 PM CDT

* AT 224 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
  BELLVIEW...OR 7 MILES WEST OF PENSACOLA REGIONAL...AND MOVING WEST
  AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MYRTLE GROVE AROUND 230 PM CDT...

THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 2 AND 8.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 3033 8750 3034 8748 3033 8752 3053 8760
      3058 8733 3044 8725 3035 8741 3036 8744
      3034 8742 3036 8744 3033 8747 3032 8746
      3031 8748
TIME...MOT...LOC 1924Z 069DEG 4KT 3048 8733

$$
1 follow-up statement
380 
WWUS54 KMOB 061955
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
255 PM CDT MON JUN 6 2011

ALC003-FLC033-062005-
/O.CAN.KMOB.SV.W.0078.000000T0000Z-110606T2015Z/
BALDWIN AL-ESCAMBIA FL-
255 PM CDT MON JUN 6 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ESCAMBIA AND
SOUTHEASTERN BALDWIN COUNTIES IS CANCELLED...

LAT...LON 3033 8750 3034 8748 3033 8752 3053 8760
      3058 8733 3044 8725 3035 8741 3036 8744
      3034 8742 3036 8744 3033 8747 3032 8746
      3031 8748
TIME...MOT...LOC 1955Z 069DEG 4KT 3047 8737

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 1:43 PM CDTSevere Thunderstorm WarningMOBBaldwin47 min
Jun 6, 1:57 PM CDTSevere Thunderstorm WarningMOBBaldwin33 min
Jun 6, 2:26 PM CDTSevere Thunderstorm WarningMOBBaldwin30 min
Jun 6, 3:05 PM CDTSevere Thunderstorm WarningMOBBaldwin11 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011Severe 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.