Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 154, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 17, 2011, 1:36 PM CDT for Conecuh County, Escambia County, Alabama. It was in force for 39 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
- Jun 17, 2011, 1:36 PM CDT (18:36 UTC)
- Expired
- Jun 17, 2011, 2:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Conecuh County, AL, Escambia County, AL
The radar
The Mobile radar (KMOB), 113 km from the middle of the area, began a volume at 18:36 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.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.6 hours before the alert went out and 215 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
- 1495 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 688 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
867
WUUS54 KMOB 171836
SVRMOB
ALC035-053-171915-
/O.NEW.KMOB.SV.W.0154.110617T1836Z-110617T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
136 PM CDT FRI JUN 17 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
THIS INCLUDES THE CITY OF EVERGREEN...
NORTH CENTRAL ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 215 PM CDT
* AT 131 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 15 MILES SOUTH OF FRISCO CITY...
OR NEAR I65 AND AL 113...AND MOVING NORTHEAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
REPTON AROUND 155 PM CDT...
CASTLEBERRY AROUND 205 PM CDT...
EVERGREEN AROUND 215 PM CDT...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 65 AND 98.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3112 8734 3126 8746 3127 8745 3127 8743
3131 8739 3132 8736 3134 8735 3157 8705
3138 8684
TIME...MOT...LOC 1836Z 232DEG 29KT 3124 8732
$$2 follow-up statements
200
WWUS54 KMOB 171902
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
202 PM CDT FRI JUN 17 2011
ALC035-053-171915-
/O.CON.KMOB.SV.W.0154.000000T0000Z-110617T1915Z/
ESCAMBIA AL-CONECUH AL-
202 PM CDT FRI JUN 17 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR SOUTHWESTERN CONECUH AND NORTH CENTRAL ESCAMBIA COUNTIES...
AT 158 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR I65 AND CR 6...OR 13
MILES SOUTHWEST OF EVERGREEN...MOVING NORTHEAST AT 35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
I65 AND US 84...FAIRVIEW...OLD SPARTA AND 8 MILES SOUTHEAST OF
NICHBURG BY 210 PM CDT...
EVERGREEN...I65 AND AL 83...JAY VILLA AND 6 MILES SOUTHEAST OF
LOREE BY 215 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3112 8734 3126 8746 3127 8745 3127 8743
3131 8739 3132 8736 3134 8735 3157 8705
3138 8684
TIME...MOT...LOC 1902Z 232DEG 29KT 3136 8711
$$135
WWUS54 KMOB 171912
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
212 PM CDT FRI JUN 17 2011
ALC035-053-171921-
/O.EXP.KMOB.SV.W.0154.000000T0000Z-110617T1915Z/
ESCAMBIA AL-CONECUH AL-
212 PM CDT FRI JUN 17 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CONECUH AND NORTH
CENTRAL ESCAMBIA COUNTIES WILL EXPIRE AT 215 PM CDT...
THE STORM THAT THE PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...BUT WINDS GUSTING TO 45 MPH ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3112 8734 3126 8746 3127 8745 3127 8743
3131 8739 3132 8736 3134 8735 3157 8705
3138 8684
TIME...MOT...LOC 1911Z 232DEG 29KT 3140 8704
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 12:39 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 21 min |
| Jun 17, 1:20 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 40 min |
| Jun 17, 2:29 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 46 min |
| Jun 17, 3:35 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 28 min |
| Jun 17, 3:38 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Monroe, Wilcox | 35 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning in 2011
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.