Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 185, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 14, 2011, 4:39 PM CDT for Monroe County, Alabama. It was in force for 39 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 14, 2011, 4:39 PM CDT (21:39 UTC)
- Expired
- Jul 14, 2011, 5:18 PM CDT
- In force
- 39 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Monroe County, AL
The radar
The Mobile radar (KMOB), 139 km from the middle of the area, began a volume at 21:42 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
Birmingham, AL (KBMX), launched 12:00Z, 9.7 hours before the alert went out and 174 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
- 2065 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 744 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
431
WUUS54 KMOB 142139
SVRMOB
ALC099-142230-
/O.NEW.KMOB.SV.W.0185.110714T2139Z-110714T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
439 PM CDT THU JUL 14 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 530 PM CDT
* AT 437 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 17 MILES NORTH OF MONROEVILLE...
OR NEAR VREDENBURGH...AND MOVING SOUTHWEST AT 20 MPH.
&&
LAT...LON 3171 8720 3154 8758 3156 8756 3170 8756
3171 8751 3181 8752 3184 8742 3184 8727
TIME...MOT...LOC 2139Z 067DEG 15KT 3176 8734
$$2 follow-up statements
520
WWUS54 KMOB 142155
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
455 PM CDT THU JUL 14 2011
ALC099-142230-
/O.CON.KMOB.SV.W.0185.000000T0000Z-110714T2230Z/
MONROE AL-
455 PM CDT THU JUL 14 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTH CENTRAL MONROE COUNTY...
AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR VREDENBURGH...OR 17
MILES NORTH OF MONROEVILLE...MOVING WEST AT 10 MPH.
LAT...LON 3171 8720 3154 8758 3156 8756 3170 8756
3171 8751 3181 8752 3184 8742 3184 8727
TIME...MOT...LOC 2156Z 068DEG 11KT 3176 8738
$$271
WWUS54 KMOB 142218
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
518 PM CDT THU JUL 14 2011
ALC099-142227-
/O.CAN.KMOB.SV.W.0185.000000T0000Z-110714T2230Z/
MONROE AL-
518 PM CDT THU JUL 14 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MONROE COUNTY IS
CANCELLED...
AT 517 PM CDT...THE STORM THAT PROMPTED THE WARNING HAS WEAKENED TO
BELOW SEVERE LIMITS...THUS THE WARNING HAS BEEN CANCELLED.
LAT...LON 3171 8720 3154 8758 3156 8756 3170 8756
3171 8751 3181 8752 3184 8742 3184 8727
TIME...MOT...LOC 2217Z 068DEG 11KT 3174 8745
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 5:51 PM CDT | Areal Flood Advisory | MOB | Conecuh, Covington, Escambia | 114 min |
| Jul 14, 6:25 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 50 min |
| Jul 14, 6:28 PM CDT | Areal Flood Advisory | MOB | Covington | 2 hr |
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.