Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 175, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 2, 2011, 2:28 PM CDT for Mobile County, Alabama. It was in force for 31 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
- Jul 2, 2011, 2:28 PM CDT (19:28 UTC)
- Expired
- Jul 2, 2011, 2:59 PM CDT
- In force
- 31 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Mobile County, AL
The radar
The Mobile radar (KMOB), 26 km from the middle of the area, began a volume at 19:29 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, 7.5 hours before the alert went out and 150 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.
- Mixed-layer CAPE
- 2612 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 922 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
789
WUUS54 KMOB 021928
SVRMOB
ALC097-022015-
/O.NEW.KMOB.SV.W.0175.110702T1928Z-110702T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
228 PM CDT SAT JUL 2 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL MOBILE COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITIES OF...TILLMANS CORNER...THEODORE...GRAND
BAY...BAYOU LA BATRE...
* UNTIL 315 PM CDT
* AT 225 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
THEODORE...OR NEAR BELLE FONTAINE...AND MOVING SOUTHWEST AT 10 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
BAYOU LA BATRE AND GRAND BAY AROUND 315 PM CDT...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 4 AND 16.
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 3034 8818 3036 8820 3036 8821 3048 8836
3061 8819 3054 8808 3052 8807 3052 8809
3048 8809 3047 8810 3044 8810
TIME...MOT...LOC 1927Z 042DEG 7KT 3051 8816
$$2 follow-up statements
444
WWUS54 KMOB 021941
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
241 PM CDT SAT JUL 2 2011
ALC097-022015-
/O.CON.KMOB.SV.W.0175.000000T0000Z-110702T2015Z/
MOBILE AL-
241 PM CDT SAT JUL 2 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR SOUTH CENTRAL MOBILE COUNTY...
AT 239 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR LAURENDINE...OR NEAR THEODORE...MOVING SOUTHWEST AT 10
MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
SAINT ELMO BY 255 PM CDT...
DIXON CORNER AND BAYOU LA BATRE BY 305 PM CDT...
GRAND BAY BY 315 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 3034 8818 3036 8820 3036 8821 3048 8836
3061 8819 3054 8808 3052 8807 3052 8809
3048 8809 3047 8810 3044 8810
TIME...MOT...LOC 1941Z 054DEG 9KT 3050 8820
$$568
WWUS54 KMOB 021959
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
259 PM CDT SAT JUL 2 2011
ALC097-022009-
/O.CAN.KMOB.SV.W.0175.000000T0000Z-110702T2015Z/
MOBILE AL-
259 PM CDT SAT JUL 2 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MOBILE COUNTY IS
CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS.
LAT...LON 3034 8818 3036 8820 3036 8821 3048 8836
3061 8819 3054 8808 3052 8807 3052 8809
3048 8809 3047 8810 3044 8810
TIME...MOT...LOC 1959Z 054DEG 9KT 3047 8824
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 12:59 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 31 min |
| Jul 2, 1:03 PM CDT | Special Marine Warning | MOB | 42 min | |
| Jul 2, 1:12 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 26 min |
| Jul 2, 1:55 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 35 min |
| Jul 2, 2:37 PM CDT | Areal Flood Advisory | MOB | Baldwin | 53 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.