Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 61, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 21, 2012, 4:26 PM CDT for Conecuh County, Escambia County, Alabama. It was in force for 64 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 21, 2012, 4:26 PM CDT (21:26 UTC)
- Expired
- May 21, 2012, 5:30 PM CDT
- In force
- 64 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Conecuh County, AL, Escambia County, AL
The radar
The Mobile radar (KMOB), 110 km from the middle of the area, began a volume at 21:28 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, 9.4 hours before the alert went out and 224 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
- 468 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1309 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
640
WUUS54 KMOB 212126
SVRMOB
ALC035-053-212230-
/O.NEW.KMOB.SV.W.0061.120521T2126Z-120521T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
426 PM CDT MON MAY 21 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
CENTRAL ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 530 PM CDT
* AT 423 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 12 MILES NORTH OF FLOMATON...OR 3
MILES NORTHEAST OF I65 AND AL 113...AND MOVING SOUTHEAST AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
I65 AND AL 41... I65 AND AL 21... I65 AND AL 113...
EAST BREWTON... BREWTON...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 58 AND 80.
LAT...LON 3109 8690 3106 8745 3125 8753 3127 8747
3126 8743 3129 8741 3133 8728 3126 8702
TIME...MOT...LOC 2126Z 319DEG 20KT 3122 8726
$$1 follow-up statement
165
WWUS54 KMOB 212202
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
502 PM CDT MON MAY 21 2012
ALC035-053-212230-
/O.CON.KMOB.SV.W.0061.000000T0000Z-120521T2230Z/
CONECUH AL-ESCAMBIA AL-
502 PM CDT MON MAY 21 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR CENTRAL ESCAMBIA AND SOUTHWESTERN CONECUH COUNTIES...
AT 502 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 20 MILES WEST
OF BREWTON...OR 8 MILES SOUTHEAST OF HUXFORD...MOVING SOUTHEAST
AT 25 MPH.
THIS WARNING INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 59 AND 80.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. PREPARE FOR LARGE HAIL AND DAMAGING
WINDS. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY
FROM WINDOWS.
&&
LAT...LON 3109 8690 3106 8745 3125 8753 3127 8747
3126 8743 3129 8741 3133 8728 3126 8702
TIME...MOT...LOC 2159Z 308DEG 20KT 3109 8736
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 2:03 PM CDT | Special Marine Warning | MOB | 87 min | |
| May 21, 2:54 PM CDT | Severe Thunderstorm Warning | MOB | Monroe, Wilcox | 51 min |
| May 21, 3:04 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 19 min |
| May 21, 3:08 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Monroe | 52 min |
| May 21, 3:11 PM CDT | Special Marine Warning | MOB | 59 min | |
| May 21, 3:36 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Clarke, Conecuh, Covington, Crenshaw, Monroe and 1 more | 54 min |
| May 21, 4:32 PM CDT | Special Marine Warning | MOB | 88 min | |
| May 21, 4:54 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia, Mobile | 51 min |
| May 21, 5:48 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia, Mobile | 57 min |
| May 21, 6:56 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 64 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning in 2012
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.