Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 77, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 6, 2011, 1:57 PM CDT for Baldwin County, Alabama. It was in force for 33 min. 3 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, 1:57 PM CDT (18:57 UTC)
- Expired
- Jun 6, 2011, 2:30 PM CDT
- In force
- 33 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Baldwin County, AL
The radar
The Mobile radar (KMOB), 60 km from the middle of the area, began a volume at 18:58 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 2:10 PM CDT | HAIL 1.75 | 2 N Foley, AL | QUARTER TO GOLF BALL SIZE HAIL REPORTED BY THE PUBLIC NEAR THE FOLEY BEACH EXPRESS AN CR 32 |
| Jun 6, 2:20 PM CDT | HAIL 1 | Summerdale, AL | |
| Jun 6, 2:32 PM CDT | HAIL 1.75 | Summerdale, AL | HAIL UP TO GOLF BALL SIZE STILL FALLING IN SUMMERDALE |
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, 7.0 hours before the alert went out and 195 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
808
WUUS54 KMOB 061857
SVRMOB
ALC003-061930-
/O.NEW.KMOB.SV.W.0077.110606T1857Z-110606T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
157 PM CDT MON JUN 6 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITIES OF...ROBERTSDALE...FOLEY...
* UNTIL 230 PM CDT
* AT 154 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
FOLEY...OR NEAR SUMMERDALE...AND MOVING WEST AT 5 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SILVERHILL
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 3032 8778 3057 8786 3057 8758 3047 8753
3043 8761 3039 8759
TIME...MOT...LOC 1857Z 076DEG 5KT 3045 8769
$$2 follow-up statements
728
WWUS54 KMOB 061907
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
207 PM CDT MON JUN 6 2011
ALC003-061930-
/O.CON.KMOB.SV.W.0077.000000T0000Z-110606T1930Z/
BALDWIN AL-
207 PM CDT MON JUN 6 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR SOUTHERN BALDWIN COUNTY...
AT 203 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR FOLEY...MOVING WEST AT 5 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SUMMERDALE...RIVER PARK...SILVERHILL...MARLOW...MAGNOLIA SPRINGS AND
CLAY CITY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 3032 8778 3057 8786 3057 8758 3047 8753
3043 8761 3039 8759
TIME...MOT...LOC 1907Z 077DEG 5KT 3045 8768
$$194
WWUS54 KMOB 061916
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
216 PM CDT MON JUN 6 2011
ALC003-061930-
/O.CON.KMOB.SV.W.0077.000000T0000Z-110606T1930Z/
BALDWIN AL-
216 PM CDT MON JUN 6 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR SOUTHERN BALDWIN COUNTY...
AT 212 PM CDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED NEAR SUMMERDALE...OR NEAR FOLEY...MOVING
WEST AT 5 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RIVER
PARK...SILVERHILL...ROBERTSDALE...MARLOW...MAGNOLIA SPRINGS AND CLAY
CITY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HAIL UP TO GOLF BALL SIZE HAS BEEN REPORTED BETWEEN FOLEY AND
SUMMERDALE WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...
TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 3032 8778 3057 8786 3057 8758 3047 8753
3043 8761 3039 8759
TIME...MOT...LOC 1915Z 086DEG 4KT 3047 8769
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 1:43 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 47 min |
| Jun 6, 2:24 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 31 min |
| Jun 6, 2:26 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 30 min |
| Jun 6, 3:05 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 11 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.