Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 203, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 22, 2011, 6:55 PM CDT for Baldwin County, Alabama; Escambia County, Florida. It was in force for 38 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
- Aug 22, 2011, 6:55 PM CDT (23:55 UTC)
- Expired
- Aug 22, 2011, 7:33 PM CDT
- In force
- 38 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Baldwin County, AL, Escambia County, FL
The radar
The Mobile radar (KMOB), 85 km from the middle of the area, began a volume at 23:57 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, 11.9 hours before the alert went out and 232 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
- 2680 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 812 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
631
WUUS54 KMOB 222355
SVRMOB
ALC003-FLC033-230045-
/O.NEW.KMOB.SV.W.0203.110822T2355Z-110823T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
655 PM CDT MON AUG 22 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
EAST CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 745 PM CDT
* AT 653 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 4 MILES WEST OF CENTURY...OR 11
MILES WEST OF BROWNSDALE...AND MOVING SOUTH AT 10 MPH.
* LOCATIONS IMPACTED INCLUDE...
MOLINO... CENTURY...
&&
LAT...LON 3070 8756 3098 8750 3094 8730 3089 8729
3085 8731 3081 8729 3079 8731 3073 8731
3072 8727 3069 8727
TIME...MOT...LOC 2355Z 010DEG 10KT 3087 8742
$$1 follow-up statement
059
WWUS54 KMOB 230033
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
733 PM CDT MON AUG 22 2011
ALC003-FLC033-230042-
/O.CAN.KMOB.SV.W.0203.000000T0000Z-110823T0045Z/
ESCAMBIA FL-BALDWIN AL-
733 PM CDT MON AUG 22 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BALDWIN AND
NORTHERN ESCAMBIA COUNTIES IS CANCELLED...
THE STORM HAS WEAKENED BELOW SEVERE LIMITS..T.HOUGH WINDS GUSTING TO
35 MPH ARE POSSIBLE...WHICH CAN DOWN SMALL LIMBS.
LAT...LON 3070 8756 3098 8750 3094 8730 3089 8729
3085 8731 3081 8729 3079 8731 3073 8731
3072 8727 3069 8727
TIME...MOT...LOC 0032Z 010DEG 10KT 3077 8744
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 7:48 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 42 min |
| Aug 22, 5:04 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 25 min |
| Aug 22, 5:20 PM CDT | Severe Thunderstorm Warning | MOB | Monroe | 25 min |
| Aug 22, 5:39 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 31 min |
| Aug 22, 5:53 PM CDT | Special Marine Warning | MOB | 52 min | |
| Aug 22, 6:00 PM CDT | Severe Thunderstorm Warning | MOB | Escambia, Monroe | 45 min |
| Aug 22, 6:21 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 16 min |
| Aug 22, 6:36 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 39 min |
| Aug 22, 6:54 PM CDT | Special Marine Warning | MOB | 51 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2011Severe Thunderstorm Warnings in Florida, 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.