Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 153, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 17, 2011, 1:20 PM CDT for Escambia 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
- Jun 17, 2011, 1:20 PM CDT (18:20 UTC)
- Expired
- Jun 17, 2011, 2:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Escambia County, AL
The radar
The Mobile radar (KMOB), 95 km from the middle of the area, began a volume at 18:23 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 |
|---|---|---|---|
| Jun 17, 1:20 PM CDT | HAIL 0.75 | Barnett Crossroads, AL | DIME TO PENNY SIZE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.3 hours before the alert went out and 235 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.
592
WUUS54 KMOB 171820
SVRMOB
ALC053-171900-
/O.NEW.KMOB.SV.W.0153.110617T1820Z-110617T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
120 PM CDT FRI JUN 17 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
THIS INCLUDES THE CITY OF ATMORE...
* UNTIL 200 PM CDT
* AT 118 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 NEAR ATMORE...OR NEAR I65 AND AL
21...AND MOVING EAST AT 10 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
HOLMAN PRISON AROUND 130 PM CDT...
I65 AND AL 113 AROUND 200 PM CDT...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 55 AND 74.
&&
LAT...LON 3117 8755 3127 8732 3127 8726 3107 8716
3100 8747 3100 8749
TIME...MOT...LOC 1820Z 248DEG 9KT 3109 8747
$$1 follow-up statement
614
WWUS54 KMOB 171850
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
150 PM CDT FRI JUN 17 2011
ALC053-171901-
/O.EXP.KMOB.SV.W.0153.000000T0000Z-110617T1900Z/
ESCAMBIA AL-
150 PM CDT FRI JUN 17 2011
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN ESCAMBIA COUNTY WILL
EXPIRE AT 200 PM CDT...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3117 8755 3127 8732 3127 8726 3107 8716
3100 8747 3100 8749
TIME...MOT...LOC 1851Z 248DEG 9KT 3112 8739
$$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, 1:36 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 39 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.