Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 29, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 12, 2012, 6:31 AM CDT for Mobile County, Alabama. It was in force for 59 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
- Mar 12, 2012, 6:31 AM CDT (11:31 UTC)
- Expired
- Mar 12, 2012, 7:30 AM CDT
- In force
- 59 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Mobile County, AL
The radar
The Mobile radar (KMOB), 13 km from the middle of the area, began a volume at 11:33 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
Jackson, MS (KJAN), launched 00:00Z, 11.5 hours before the alert went out and 265 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
- 10 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 960 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 261 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
713
WUUS54 KMOB 121131
SVRMOB
ALC097-121230-
/O.NEW.KMOB.SV.W.0029.120312T1131Z-120312T1230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
631 AM CDT MON MAR 12 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL AND SOUTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 730 AM CDT
* AT 629 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 14 MILES SOUTH OF LUCEDALE TO 10 MILES NORTHEAST OF ESCATAWPA
TO ESCATAWPA...AND MOVING EAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
TILLMANS CORNER... THEODORE... TANNER WILLIAMS...
I65 AND US 45... I65 AND I165... I10 AND I65...
GRAND BAY... FOREST HILL... MOBILE...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 27.
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...TORNADOES ARE POSSIBLE WITH SEVERE
THUNDERSTORMS.
&&
LAT...LON 3044 8840 3062 8842 3075 8841 3077 8804
3064 8804 3063 8805 3059 8805 3057 8808
3053 8807 3051 8809 3045 8809
TIME...MOT...LOC 1130Z 267DEG 26KT 3073 8852 3062 8848
3049 8856
$$2 follow-up statements
939
WWUS54 KMOB 121153
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
653 AM CDT MON MAR 12 2012
ALC097-121230-
/O.CON.KMOB.SV.W.0029.000000T0000Z-120312T1230Z/
MOBILE AL-
653 AM CDT MON MAR 12 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR SOUTHERN MOBILE COUNTY...
AT 647 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM BIG CREEK LAKE DAM TO SEVEN HILLS TO CLOVERDALE...OR
ALONG A LINE EXTENDING FROM 15 MILES NORTHWEST OF TILLMANS CORNER TO
8 MILES WEST OF TILLMANS CORNER TO GRAND BAY...MOVING EAST AT 30 MPH.
AN AREA OF 50-60 MPH WINDS WILL MOVE FROM WEST MOBILE TO DOWNTOWN
DURING THE NEXT HALF HOUR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...CLOUD TO GROUND LIGHTNING IS
OCCURRING...ESPECIALLY IN THE WAKE OF THE THUNDERSTORM LINE. IF YOU
CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3044 8840 3062 8842 3075 8841 3077 8804
3064 8804 3063 8805 3059 8805 3057 8808
3053 8807 3051 8809 3045 8809
TIME...MOT...LOC 1151Z 267DEG 26KT 3074 8834 3062 8830
3049 8838
$$964
WWUS54 KMOB 121211
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
711 AM CDT MON MAR 12 2012
ALC097-121230-
/O.CON.KMOB.SV.W.0029.000000T0000Z-120312T1230Z/
MOBILE AL-
711 AM CDT MON MAR 12 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR SOUTHERN MOBILE COUNTY...
AT 706 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 7 MILES SOUTHWEST OF PRICHARD TO
7 MILES NORTHWEST OF TILLMANS CORNER TO TILLMANS CORNER TO THEODORE
TO GRAND BAY...MOVING EAST AROUND 30 MPH.
THE THUNDERSTORM LINE WILL MOVE ACROSS I-65 AND AIRPORT TO MIDTOWN
TOP DOWNTOWN THROUGH 730 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...CLOUD TO GROUND LIGHTNING IS
OCCURRING WITH THIS LINE OF STORMS. MOVE INDOORS IMMEDIATELY!
&&
LAT...LON 3044 8840 3053 8839 3060 8829 3075 8830
3077 8804 3064 8804 3063 8805 3059 8805
3057 8808 3053 8807 3051 8809 3045 8809
TIME...MOT...LOC 1209Z 270DEG 20KT 3073 8822 3067 8823
3061 8817 3055 8819 3042 8834
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 11:03 PM CDT | Small Craft Advisory | MOB | 8 hr | |
| Mar 12, 6:27 AM CDT | Special Marine Warning | MOB | 93 min | |
| Mar 12, 7:26 AM CDT | Areal Flood Advisory | MOB | Mobile | 2 hr |
| Mar 12, 7:53 AM CDT | Special Marine Warning | MOB | 52 min | |
| Mar 12, 8:47 AM CDT | Special Marine Warning | MOB | 88 min | |
| Mar 12, 10:12 AM CDT | Special Marine Warning | MOB | 93 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.