Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 63, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 26, 2011, 12:43 PM CDT for Choctaw County, Washington County, Alabama; Wayne County, Mississippi. It was in force for 47 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
- May 26, 2011, 12:43 PM CDT (17:43 UTC)
- Expired
- May 26, 2011, 1:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Choctaw County, AL, Washington County, AL, Wayne County, MS
The radar
The Mobile radar (KMOB), 117 km from the middle of the area, began a volume at 17:46 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
Jackson, MS (KJAN), launched 12:00Z, 5.7 hours before the alert went out and 183 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
- 1916 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 14.2
The text
As transmitted, in the capitals the NWS used until 2016.
666
WUUS54 KMOB 261743
SVRMOB
ALC023-129-MSC153-261830-
/O.NEW.KMOB.SV.W.0063.110526T1743Z-110526T1830Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1243 PM CDT THU MAY 26 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF WAYNESBORO...
SOUTHWESTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
NORTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 130 PM CDT
* AT 1241 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES
SOUTHEAST OF WAYNESBORO...OR NEAR ROBINSON JUNCTION...AND MOVING
EAST AT 20 MPH.
&&
LAT...LON 3184 8816 3182 8818 3178 8816 3176 8814
3156 8806 3147 8863 3168 8872 3187 8818
TIME...MOT...LOC 1743Z 250DEG 19KT 3159 8856
$$2 follow-up statements
119
WWUS54 KMOB 261751
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1251 PM CDT THU MAY 26 2011
ALC023-129-MSC153-261830-
/O.CON.KMOB.SV.W.0063.000000T0000Z-110526T1830Z/
WASHINGTON AL-CHOCTAW AL-WAYNE MS-
1251 PM CDT THU MAY 26 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR EAST CENTRAL WAYNE...SOUTHWESTERN CHOCTAW AND NORTHWESTERN
WASHINGTON COUNTIES...
AT 1248 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR ROBINSONS JUNCTION...OR 8 MILES SOUTHEAST OF
WAYNESBORO...MOVING EAST AT 20 MPH.
ANOTHER SEVERE THUNDERSTORM HAS DEVELOPED WITHIN THE WARNED AREA
OVER SOUTHERN CHOCTAW COUNTY AND WAS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR SILAS...OR 17 MILES EAST OF WAYNESBORO...MOVING EAST AT
15 MPH.
LAT...LON 3184 8816 3182 8818 3178 8816 3176 8814
3156 8806 3147 8863 3168 8872 3187 8818
TIME...MOT...LOC 1751Z 256DEG 15KT 3176 8835
$$281
WWUS54 KMOB 261807
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
107 PM CDT THU MAY 26 2011
ALC023-129-MSC153-261830-
/O.CON.KMOB.SV.W.0063.000000T0000Z-110526T1830Z/
WASHINGTON AL-CHOCTAW AL-WAYNE MS-
107 PM CDT THU MAY 26 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR EAST CENTRAL WAYNE...SOUTHWESTERN CHOCTAW AND NORTHWESTERN
WASHINGTON COUNTIES...
AT 104 PM CDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR ROBINSONS JUNCTION...OR 8 MILES
SOUTHEAST OF WAYNESBORO...MOVING EAST AT 15 MPH.
LAT...LON 3184 8816 3182 8818 3178 8816 3176 8814
3156 8806 3147 8863 3168 8872 3187 8818
TIME...MOT...LOC 1807Z 256DEG 15KT 3161 8851
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 10:25 AM CDT | Severe Thunderstorm Warning | MOB | Mobile | 50 min |
| May 26, 12:14 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke | 33 min |
| May 26, 12:22 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Wilcox | 27 min |
| May 26, 12:45 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 45 min |
| May 26, 1:04 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 41 min |
| May 26, 1:24 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile, Washington | 37 min |
| May 26, 1:27 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 63 min |
| May 26, 1:29 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 46 min |
| May 26, 1:34 PM CDT | Severe Thunderstorm Warning | MOB | Covington, Crenshaw | 26 min |
| May 26, 2:43 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 62 min |
| May 26, 2:44 PM CDT | Flash Flood Warning | MOB | Choctaw, Washington | 3 hr |
| May 26, 3:20 PM CDT | Tornado Warning | MOB | Mobile | 40 min |
| May 26, 3:31 PM CDT | Special Marine Warning | MOB | 59 min | |
| May 26, 3:39 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Mobile, Monroe, Washington | 20 min |
| May 26, 4:23 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 37 min |
| May 26, 1:47 PM CDT | Severe Thunderstorm Warning | MOB | Perry | 20 min |
| May 26, 6:05 PM CDT | Severe Thunderstorm Warning | MOB | George, Stone | 40 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2011Severe Thunderstorm Warnings in Mississippi, 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.