Alert archive / Alabama / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 166, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Dec 23, 2014, 8:30 AM CST for Clarke County, Monroe County, Alabama. It was in force for 16 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
- Dec 23, 2014, 8:30 AM CST (14:30 UTC)
- Expired
- Dec 23, 2014, 8:46 AM CST
- In force
- 16 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Clarke County, AL, Monroe County, AL
The radar
The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 14:32 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 2.5 hours before the alert went out and 216 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
- 1212 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 831 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
609
WUUS54 KMOB 231430
SVRMOB
ALC025-099-231530-
/O.NEW.KMOB.SV.W.0166.141223T1430Z-141223T1530Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
830 AM CST TUE DEC 23 2014
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
SOUTHEASTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 930 AM CST
* AT 828 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 19 MILES EAST
OF CITRONELLE...OR 5 MILES EAST OF MALCOLM...AND MOVING NORTHEAST
AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
WHATLEY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS OFTEN PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING. PLEASE TAKE COVER UNTIL THE STORM PASSES.
&&
LAT...LON 3165 8735 3128 8770 3130 8771 3127 8783
3123 8783 3123 8786 3121 8785 3121 8787
3115 8787 3117 8795 3123 8793 3126 8799
3127 8795 3132 8796 3131 8793 3134 8790
3138 8789 3139 8792 3181 8769
TIME...MOT...LOC 1430Z 210DEG 40KT 3119 8791
$$1 follow-up statement
013
WWUS54 KMOB 231446
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
846 AM CST TUE DEC 23 2014
ALC025-099-231456-
/O.CAN.KMOB.SV.W.0166.000000T0000Z-141223T1530Z/
MONROE AL-CLARKE AL-
846 AM CST TUE DEC 23 2014
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
SOUTHEASTERN CLARKE AND SOUTHWESTERN MONROE COUNTIES...
AT 841 AM CST...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN
CLARKE AND SOUTHWESTERN MONROE COUNTIES HAS WEAKENED TO BELOW SEVERE
LIMITS...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3165 8735 3128 8770 3130 8771 3127 8783
3123 8783 3123 8786 3121 8785 3121 8787
3115 8787 3117 8795 3123 8793 3126 8799
3127 8795 3132 8796 3131 8793 3134 8790
3138 8789 3139 8792 3181 8769
TIME...MOT...LOC 1446Z 210DEG 40KT 3134 8781
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 8:14 PM CST | Rip Current Statement | MOB | 46 hr | |
| Dec 22, 11:24 PM CST | Dense Fog Advisory | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia, Monroe and 1 more | 9 hr |
| Dec 22, 11:29 PM CST | Marine Dense Fog Advisory | MOB | 11 hr | |
| Dec 23, 2:11 AM CST | Special Marine Warning | MOB | 94 min | |
| Dec 23, 3:08 AM CST | Special Marine Warning | MOB | 97 min | |
| Dec 23, 4:10 AM CST | Small Craft Advisory | MOB | 50 hr | |
| Dec 23, 4:52 AM CST | Special Marine Warning | MOB | 113 min | |
| Dec 23, 6:07 AM CST | Special Marine Warning | MOB | 113 min | |
| Dec 23, 6:14 AM CST | High Surf Advisory | MOB | 36 hr | |
| Dec 23, 6:46 AM CST | Special Marine Warning | MOB | 89 min | |
| Dec 23, 6:54 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 66 min |
| Dec 23, 7:31 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Mobile, Washington | 59 min |
| Dec 23, 7:35 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Mobile, Monroe | 40 min |
| Dec 23, 8:21 AM CST | Special Marine Warning | MOB | 84 min | |
| Dec 23, 8:59 AM CST | Special Marine Warning | MOB | 2 hr | |
| Dec 23, 9:08 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Wilcox | 16 min |
| Dec 23, 10:17 AM CST | Severe Thunderstorm Warning | MOB | Conecuh, Covington, Escambia | 43 min |
| Dec 23, 4:19 PM CST | Severe Thunderstorm Warning | MOB | Choctaw | 32 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2014Every severe thunderstorm warning in 2014
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.