Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 140, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 17, 2012, 6:42 PM CDT for Baldwin County, Alabama. It was in force for 38 min. 2 reports 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, 6:42 PM CDT (23:42 UTC)
- Expired
- Jul 17, 2012, 7:20 PM CDT
- In force
- 38 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Baldwin County, AL
The radar
The Mobile radar (KMOB), 36 km from the middle of the area, began a volume at 23:45 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, 6:45 PM CDT | TSTM WND DMG | Whitehouse Forks, AL | TREE DOWN IN WHITEHOUSE FORKS. |
| Jul 17, 7:00 PM CDT | TSTM WND DMG | Daphne, AL | POWER LINE DOWN ON HWY. 31 IN DAPHNE. |
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, 11.7 hours before the alert went out and 184 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.
976
WUUS54 KMOB 172342
SVRMOB
ALC003-180045-
/O.NEW.KMOB.SV.W.0140.120717T2342Z-120718T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
642 PM CDT TUE JUL 17 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 745 PM CDT
* AT 641 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 4 MILES WEST
OF BAY MINETTE...OR 6 MILES SOUTH OF I65 AND AL 225...AND MOVING
SOUTH AT 10 MPH.
* LOCATIONS IMPACTED INCLUDE...
STAPLETON... SPANISH FORT... LOXLEY...
I65 AND AL 59... I65 AND AL 287... I65 AND AL 225...
DAPHNE... BAY MINETTE...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 34 AND 50. THIS
INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 27 AND 35.
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 3065 8793 3066 8796 3082 8796 3083 8794
3085 8795 3093 8794 3094 8793 3093 8791
3095 8790 3096 8787 3096 8774 3061 8765
3059 8792
TIME...MOT...LOC 2342Z 355DEG 8KT 3087 8784
$$1 follow-up statement
751
WWUS54 KMOB 180020
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
720 PM CDT TUE JUL 17 2012
ALC003-180028-
/O.CAN.KMOB.SV.W.0140.000000T0000Z-120718T0045Z/
BALDWIN AL-
720 PM CDT TUE JUL 17 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR CENTRAL
BALDWIN COUNTY...
AT 713 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL
BALDWIN COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
HOWEVER...EVEN THOUGH THE STORM IS NOT PRODUCING SEVERE WIND GUSTS
OVER 58 MPH OR QUARTER SIZE HAIL...WIND GUSTS OF 40 TO 50 MPH...NEAR
CONTINUOUS CLOUD TO GROUND LIGHTNING AND TORRENTIAL DOWNPOURS
CONTINUE OVER WEST CENTRAL BALDWIN COUNTY. STAY INDOORS UNTIL THE
STORM PASSES!
LAT...LON 3065 8793 3066 8796 3082 8796 3083 8794
3085 8795 3093 8794 3094 8793 3093 8791
3095 8790 3096 8787 3096 8774 3061 8765
3059 8792
TIME...MOT...LOC 0018Z 355DEG 8KT 3079 8783
$$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, 5:35 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 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, 6:49 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.