Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 187, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 30, 2012, 11:32 AM CDT for Mobile County, Alabama. It was in force for 43 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
- Aug 30, 2012, 11:32 AM CDT (16:32 UTC)
- Expired
- Aug 30, 2012, 12:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Mobile County, AL
The radar
The Mobile radar (KMOB), 16 km from the middle of the area, began a volume at 16:35 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 30, 7:13 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.5 hours before the alert went out and 145 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 332 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
400
WUUS54 KMOB 301632
SVRMOB
ALC097-301715-
/O.NEW.KMOB.SV.W.0187.120830T1632Z-120830T1715Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1132 AM CDT THU AUG 30 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 1215 PM CDT
* AT 1131 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WAS LOCATED NEAR GRAND BAY...OR 8 MILES
NORTHWEST OF CODEN...AND MOVING NORTHEAST AT 40 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
REGIONAL AIRPORT IN WEST MOBILE AROUND 1155 AM CDT...
I65 AND AL 158 AROUND 1210 PM CDT...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 28. THIS
INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 13.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3036 8832 3039 8833 3037 8838 3039 8840
3055 8841 3086 8826 3078 8802 3075 8803
3074 8801 3072 8801 3070 8800 3037 8826
3038 8829 3036 8830
TIME...MOT...LOC 1632Z 206DEG 35KT 3049 8832
$$1 follow-up statement
127
WWUS54 KMOB 301707
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1207 PM CDT THU AUG 30 2012
ALC097-301715-
/O.CON.KMOB.SV.W.0187.000000T0000Z-120830T1715Z/
MOBILE AL-
1207 PM CDT THU AUG 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT
FOR CENTRAL MOBILE COUNTY...
AT 1203 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 5 MILES WEST OF PRICHARD...OR 4 MILES
WEST OF I65 AND US 45...MOVING NORTHEAST AT 40 MPH.
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 15 AND 28. THIS
INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 13.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM
WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3065 8836 3086 8826 3078 8802 3075 8803
3074 8801 3072 8801 3070 8800 3063 8805
3055 8812
TIME...MOT...LOC 1707Z 206DEG 35KT 3080 8815
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:27 PM CDT | Tornado Warning | MOB | Monroe, Wilcox | 30 min |
| Aug 29, 7:29 PM CDT | Small Craft Advisory | MOB | 33 hr | |
| Aug 29, 7:45 PM CDT | Coastal Flood Warning | MOB | 21 hr | |
| Aug 30, 12:22 AM CDT | Flash Flood Warning | MOB | Mobile, Washington | 6 hr |
| Aug 30, 12:52 AM CDT | Wind Advisory | MOB | Washington | 16 hr |
| Aug 30, 2:28 AM CDT | Areal Flood Warning | MOB | Mobile, Washington | 12 hr |
| Aug 30, 2:46 AM CDT | Tornado Warning | MOB | Covington | 33 min |
| Aug 30, 3:53 AM CDT | Tornado Warning | MOB | Covington, Escambia | 37 min |
| Aug 30, 4:09 AM CDT | Tornado Warning | MOB | Butler, Crenshaw | 16 min |
| Aug 30, 4:31 AM CDT | Tornado Warning | MOB | Washington | 29 min |
| Aug 30, 4:32 AM CDT | Tornado Warning | MOB | Covington | 28 min |
| Aug 30, 6:43 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 37 min |
| Aug 30, 7:41 AM CDT | Tornado Warning | MOB | Mobile | 33 min |
| Aug 30, 8:10 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 35 min |
| Aug 30, 8:13 AM CDT | Tornado Warning | MOB | Washington | 32 min |
| Aug 30, 8:45 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 45 min |
| Aug 30, 9:01 AM CDT | Tornado Warning | MOB | Mobile, Washington | 44 min |
| Aug 30, 10:16 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 44 min |
| Aug 30, 10:56 AM CDT | Tornado Warning | MOB | Choctaw | 49 min |
| Aug 30, 11:44 AM CDT | Flash Flood Warning | MOB | Mobile, Washington | 6 hr |
| Aug 30, 11:56 AM CDT | Tornado Warning | MOB | Choctaw | 33 min |
| Aug 30, 4:29 PM CDT | High Surf Advisory | MOB | 20 hr |
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.