Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 66, NWS Mobile, AL

May 26, 2011Baldwin County, Mobile County, Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 26, 2011, 1:24 PM CDT for Baldwin County, Mobile County, Washington County, Alabama. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 26, 2011, 1:24 PM CDT (18:24 UTC)
Expired: May 26, 2011, 2:01 PM CDT
In force: 37 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties Baldwin County, AL, Mobile County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 50 km from the middle of the area, began a volume at 18:27 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.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.4 hours before the alert went out and 187 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3259 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 464 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 12.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

063 
WUUS54 KMOB 261824
SVRMOB
ALC003-097-129-261915-
/O.NEW.KMOB.SV.W.0066.110526T1824Z-110526T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
124 PM CDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
  NORTHEASTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITIES OF...SATSUMA...SARALAND...CREOLA...
  CITRONELLE...
  SOUTHEASTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 215 PM CDT

* AT 123 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM CITRONELLE TO 7 MILES NORTHWEST
  OF SATSUMA TO SATSUMA...AND MOVING NORTHEAST AT 30 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  CITRONELLE AND CREOLA AROUND 130 PM CDT...
  PINEOLA AROUND 140 PM CDT...
  MOUNT VERNON...I65 AND AL 59 AND I65 AND AL 225 AROUND 150 PM
  CDT...
  I65 AND AL 287 AROUND 200 PM CDT...
  I65 AND CR 47 AROUND 210 PM CDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 12 AND 46.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

&&

LAT...LON 3087 8821 3106 8835 3125 8804 3122 8794
      3120 8794 3119 8792 3121 8789 3117 8775
      3101 8761 3078 8810
TIME...MOT...LOC 1824Z 231DEG 26KT 3102 8827 3093 8812
          3084 8801

$$

PURDY

2 follow-up statements

776 
WWUS54 KMOB 261848
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
148 PM CDT THU MAY 26 2011

ALC003-097-129-261915-
/O.CON.KMOB.SV.W.0066.000000T0000Z-110526T1915Z/
WASHINGTON AL-BALDWIN AL-MOBILE AL-
148 PM CDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR NORTHEASTERN MOBILE...NORTHWESTERN BALDWIN AND SOUTHEASTERN
WASHINGTON COUNTIES...

AT 146 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS 
WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES EAST OF CITRONELLE 
TO 7 MILES NORTHWEST OF BAY MINETTE...MOVING NORTHEAST AT 35 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  LATHAM AND MALCOLM BY 155 PM CDT...
  PERDIDO...RABUN AND I65 AND CR 47 BY 200 PM CDT...
  TENSAW BY 205 PM CDT...

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 3100 8803 3113 8824 3125 8804 3122 8794
      3120 8794 3119 8792 3121 8789 3117 8775
      3101 8761 3088 8788
TIME...MOT...LOC 1846Z 229DEG 33KT 3115 8809 3106 8794
          3097 8783

$$

PURDY

786 
WWUS54 KMOB 261901
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
201 PM CDT THU MAY 26 2011

ALC003-097-129-261910-
/O.CAN.KMOB.SV.W.0066.000000T0000Z-110526T1915Z/
WASHINGTON AL-BALDWIN AL-MOBILE AL-
201 PM CDT THU MAY 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MOBILE...
NORTHWESTERN BALDWIN AND SOUTHEASTERN WASHINGTON COUNTIES IS
CANCELLED...

THESE THUNDERSTORMS HAVE RECENTLY FALLEN JUST BELOW SEVERE LIMITS 
BUT CAN STILL PRODUCE WIND GUSTS IN THE 45 TO 55 MPH RANGE MAINLY 
OVER SOUTHEAST WASHINGTON AND NORTHWEST BALDWIN COUNTIES THROUGH 215 
PM CDT.

LAT...LON 3100 8803 3113 8824 3125 8804 3122 8794
      3120 8794 3119 8792 3121 8789 3117 8775
      3101 8761 3088 8788
TIME...MOT...LOC 1900Z 180DEG 0KT 3102 8812 3106 8794
          3107 8779

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 10:25 AM CDT	Severe Thunderstorm Warning	MOB	Mobile	50 min
May 26, 12:14 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke	33 min
May 26, 12:22 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Wilcox	27 min
May 26, 12:43 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	47 min
May 26, 12:45 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	45 min
May 26, 1:04 PM CDT	Severe Thunderstorm Warning	MOB	Butler	41 min
May 26, 1:27 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	63 min
May 26, 1:29 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	46 min
May 26, 1:34 PM CDT	Severe Thunderstorm Warning	MOB	Covington, Crenshaw	26 min
May 26, 2:43 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	62 min
May 26, 2:44 PM CDT	Flash Flood Warning	MOB	Choctaw, Washington	3 hr
May 26, 3:20 PM CDT	Tornado Warning	MOB	Mobile	40 min
May 26, 3:31 PM CDT	Special Marine Warning	MOB		59 min
May 26, 3:39 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	20 min
May 26, 4:23 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	37 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.