Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 139, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 17, 2012, 5:35 PM CDT for Mobile County, Alabama. It was in force for 40 min. 1 report 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
- Jul 17, 2012, 5:35 PM CDT (22:35 UTC)
- Expired
- Jul 17, 2012, 6:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Mobile County, AL
The radar
The Mobile radar (KMOB), 15 km from the middle of the area, began a volume at 22:36 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 |
|---|---|---|---|
| Jul 17, 5:55 PM CDT | HAIL 0.75 | 3 E Mobile Airport, AL | SEVERAL REPORTS OF DIME SIZE HAIL OR SMALLER AROUND HILLCREST AND COTTAGE HILL ROADS |
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, 10.6 hours before the alert went out and 138 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
- 1803 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 867 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
898
WUUS54 KMOB 172235
SVRMOB
ALC097-172315-
/O.NEW.KMOB.SV.W.0139.120717T2235Z-120717T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
535 PM CDT TUE JUL 17 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL MOBILE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 615 PM CDT
* AT 531 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED NEAR TILLMANS
CORNER...OR 4 MILES WEST OF I10 AND I65...AND MOVING WEST AT 10
MPH.
* LOCATIONS IMPACTED INCLUDE...
WEST MOBILE... MIDTOWN MOBILE... TILLMANS CORNER...
THEODORE... I10 AND I65... GRAND BAY...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 21. THIS
INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
&&
LAT...LON 3045 8840 3052 8841 3068 8842 3072 8812
3055 8808
TIME...MOT...LOC 2235Z 075DEG 7KT 3061 8818
$$2 follow-up statements
289
WWUS54 KMOB 172252
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
552 PM CDT TUE JUL 17 2012
ALC097-172315-
/O.CON.KMOB.SV.W.0139.000000T0000Z-120717T2315Z/
MOBILE AL-
552 PM CDT TUE JUL 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR CENTRAL MOBILE COUNTY...
AT 550 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 3 MILES
NORTHWEST OF TILLMANS CORNER...OR 5 MILES WEST OF I10 AND I65...
MOVING WEST AT 5 MPH.
LOCATIONS IMPACTED INCLUDE...
WEST MOBILE... MIDTOWN MOBILE... TILLMANS CORNER...
THEODORE... I10 AND I65... GRAND BAY...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 20. THIS
INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
&&
LAT...LON 3054 8811 3045 8840 3052 8841 3068 8842
3072 8812
TIME...MOT...LOC 2252Z 083DEG 6KT 3062 8821
$$604
WWUS54 KMOB 172309
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
609 PM CDT TUE JUL 17 2012
ALC097-172319-
/O.EXP.KMOB.SV.W.0139.000000T0000Z-120717T2315Z/
MOBILE AL-
609 PM CDT TUE JUL 17 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR
CENTRAL MOBILE COUNTY...
AT 604 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL
MOBILE COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE AT 615 PM CDT.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
LAT...LON 3054 8811 3045 8840 3052 8841 3068 8842
3072 8812
TIME...MOT...LOC 2309Z 083DEG 6KT 3062 8824
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 6:22 AM CDT | Special Marine Warning | MOB | 83 min | |
| Jul 17, 12:41 PM CDT | Special Marine Warning | MOB | 94 min | |
| Jul 17, 2:18 PM CDT | Special Marine Warning | MOB | 27 min | |
| Jul 17, 2:34 PM CDT | Areal Flood Advisory | MOB | Butler | 116 min |
| Jul 17, 2:58 PM CDT | Special Marine Warning | MOB | 62 min | |
| Jul 17, 3:33 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 16 min |
| Jul 17, 3:41 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 26 min |
| Jul 17, 4:10 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 36 min |
| Jul 17, 4:58 PM CDT | Areal Flood Advisory | MOB | Escambia | 2 hr |
| Jul 17, 5:20 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 40 min |
| Jul 17, 6:05 PM CDT | Areal Flood Advisory | MOB | Mobile | 115 min |
| Jul 17, 6:36 PM CDT | Special Marine Warning | MOB | 84 min | |
| Jul 17, 6:42 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 38 min |
| Jul 17, 6:49 PM CDT | Special Marine Warning | MOB | 56 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.