Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 133, NWS Mobile, AL

June 16, 2011Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 16, 2011, 1:21 PM CDT for Mobile County, Alabama. It was in force for 39 min. 7 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 16, 2011, 1:21 PM CDT (18:21 UTC)
Expired
Jun 16, 2011, 2:00 PM CDT
In force
39 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Mobile County, AL

The radar

The Mobile radar (KMOB), 13 km from the middle of the area, began a volume at 18:24 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 16, 1:49 PM CDTHAIL 17 Ene Mobile Airport, ALQUARTER SIZE HAIL ON INTERSTATE 65 ONE MILE NORTH OF AIRPORT BLVD.
Jun 16, 1:55 PM CDTHAIL 0.754 Se Mobile Airport, ALPENNY SIZE HAIL NEAR BURMA STREET.
Jun 16, 2:04 PM CDTTSTM WND DMG4 E Mobile Airport, ALTREE DOWN JUST EAST OF UNIVERSITY AVE AT AIRPORT BLVD.
Jun 16, 2:04 PM CDTTSTM WND DMG5 Se Mobile Airport, ALTREE DOWN AT HILLCREST ROAD AND COTTAGE HILL ROAD.
Jun 16, 2:04 PM CDTHAIL 15 Se Mobile Airport, ALQUARTER SIZE HAIL HILLCREST ROAD AT COTTAGE HILL ROAD.
Jun 16, 2:10 PM CDTHAIL 0.54 S Mobile Airport, ALPEA TO MARBLE SIZE HAIL OFF DAWES ROAD.
Jun 16, 2:10 PM CDTNON-TSTM WND GST 454 S Mobile Airport, ALWINDS OF 40 TO 45 MPH OFF DAWES ROAD.

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, 6.4 hours before the alert went out and 160 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 2011-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3053 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2011-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.193958Sfc1 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
3053 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
700 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
17 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.

921 
WUUS54 KMOB 161821
SVRMOB
ALC097-161900-
/O.NEW.KMOB.SV.W.0133.110616T1821Z-110616T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
121 PM CDT THU JUN 16 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MOBILE COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITIES OF...PRICHARD...DOWNTOWN MOBILE...
  CHICKASAW...

* UNTIL 200 PM CDT

* AT 119 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR DOWNTOWN MOBILE...OR NEAR
  MOBILE INFIRMARY...AND MOVING WEST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPRING HILL COLLEG AROUND 130 PM CDT...
  FOREST HILL AND KNOLLWOOD HOSPITAL AROUND 135 PM CDT...
  UNIVERSITY OF SOUTH...AIRPORT AND UNIVER AND AIRPORT AND UNIVERSITY
  AROUND 140 PM CDT...
  MAGNOLIA GROVE GOL AROUND 150 PM CDT...
  MOBILE AIRPORT AROUND 155 PM CDT...
  SNOW AND TANNER WI AND HUTCHENS ELEMENTAR AROUND 200 PM CDT...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 18 AND 29.

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 12.

&&

LAT...LON 3060 8838 3084 8838 3078 8802 3076 8802
      3075 8801 3074 8802 3071 8799 3067 8800
      3067 8802 3065 8805 3062 8805 3060 8806
TIME...MOT...LOC 1822Z 095DEG 12KT 3069 8810

$$
3 follow-up statements
935 
WWUS54 KMOB 161835
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
135 PM CDT THU JUN 16 2011

ALC097-161900-
/O.CON.KMOB.SV.W.0133.000000T0000Z-110616T1900Z/
MOBILE AL-
135 PM CDT THU JUN 16 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR CENTRAL MOBILE COUNTY...

AT 132 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR SPRING HILL COLLEGE...
OR NEAR PRICHARD...MOVING WEST AT 15 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  UNIVERSITY OF SOUTH ALABAMA...UNIVERSITY OF SOUTH...WEST HILL AND
  WHEELERVILLE BY 145 PM CDT...
  ORCHARD AND SUGAR CREEK BY 150 PM CDT...
  MOBILE AIRPORT...MAGNOLIA GROVE GOL AND CRAWFORD BY 155 PM CDT...
  MOBILE REGIONAL AIRPORT BY 200 PM CDT...

LAT...LON 3060 8838 3084 8838 3078 8802 3076 8802
      3075 8801 3074 8802 3071 8799 3067 8800
      3067 8802 3065 8805 3062 8805 3060 8806
TIME...MOT...LOC 1836Z 095DEG 12KT 3069 8815

$$
371 
WWUS54 KMOB 161840
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
140 PM CDT THU JUN 16 2011

ALC097-161900-
/O.CON.KMOB.SV.W.0133.000000T0000Z-110616T1900Z/
MOBILE AL-
140 PM CDT THU JUN 16 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR CENTRAL MOBILE COUNTY...

AT 137 PM CDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
NEAR SPRING HILL COLLEG...OR 6 MILES SOUTHWEST OF PRICHARD...MOVING
WEST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUGAR CREEK...ORCHARD...MAGNOLIA GROVE GOL AND WHEELERVILLE BY 145
  PM CDT...
  MOBILE AIRPORT AND CRAWFORD BY 150 PM CDT...
  MOBILE REGIONAL AIRPORT AND DAWES BY 155 PM CDT...
  SNOW AND TANNER WI AND SNOW AND TANNER WILLIAMS BY 200 PM CDT...

LAT...LON 3078 8807 3060 8807 3060 8838 3079 8838
TIME...MOT...LOC 1840Z 090DEG 17KT 3069 8817

$$
024 
WWUS54 KMOB 161849
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
149 PM CDT THU JUN 16 2011

ALC097-161900-
/O.CON.KMOB.SV.W.0133.000000T0000Z-110616T1900Z/
MOBILE AL-
149 PM CDT THU JUN 16 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR CENTRAL MOBILE COUNTY...

AT 145 PM CDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
NEAR WHEELERVILLE...OR 7 MILES NORTH OF TILLMANS CORNER...MOVING WEST
AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MOBILE REGIONAL AIRPORT...MOBILE AIRPORT AND DAWES BY 155 PM CDT...
  SNOW AND TANNER WI...SNOW AND TANNER WILLIAMS...SEVEN HILLS AND BIG
  CREEK LAKE DAM BY 200 PM CDT...

LAT...LON 3078 8807 3060 8807 3060 8838 3079 8838
TIME...MOT...LOC 1850Z 090DEG 17KT 3069 8822

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 9:37 AM CDTSpecial Marine WarningMOB38 min
Jun 16, 10:07 AM CDTSpecial Marine WarningMOB38 min
Jun 16, 11:45 AM CDTSevere Thunderstorm WarningMOBBaldwin30 min
Jun 16, 12:38 PM CDTSevere Thunderstorm WarningMOBBaldwin52 min
Jun 16, 1:54 PM CDTSevere Thunderstorm WarningMOBMobile32 min
Jun 16, 2:05 PM CDTSevere Thunderstorm WarningMOBChoctaw25 min
Jun 16, 2:23 PM CDTSevere Thunderstorm WarningMOBChoctaw52 min
Jun 16, 2:30 PM CDTSevere Thunderstorm WarningMOBWashington25 min
Jun 16, 2:33 PM CDTSevere Thunderstorm WarningMOBClarke, Monroe42 min
Jun 16, 2:36 PM CDTSevere Thunderstorm WarningMOBMobile39 min
Jun 16, 3:05 PM CDTSevere Thunderstorm WarningMOBChoctaw25 min
Jun 16, 3:08 PM CDTSevere Thunderstorm WarningMOBMobile22 min
Jun 16, 3:21 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington24 min
Jun 16, 3:22 PM CDTSevere Thunderstorm WarningMOBChoctaw23 min
Jun 16, 3:39 PM CDTSevere Thunderstorm WarningMOBChoctaw51 min
Jun 16, 3:48 PM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia42 min
Jun 16, 4:04 PM CDTSevere Thunderstorm WarningMOBCovington41 min
Jun 16, 4:45 PM CDTSevere Thunderstorm WarningMOBConecuh27 min
Jun 16, 4:52 PM CDTSevere Thunderstorm WarningMOBChoctaw38 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.