Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 97, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 7, 2011, 5:39 PM CDT for 6 counties in Alabama. It was in force for 51 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 7, 2011, 5:39 PM CDT (22:39 UTC)
- Expired
- Jun 7, 2011, 6:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Baldwin County, AL, Choctaw County, AL, Clarke County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 99 km from the middle of the area, began a volume at 22:41 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 7, 6:08 PM CDT | HAIL 1 | Topton, AL | QUARTER SIZE HAIL REPORTED. |
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, 10.7 hours before the alert went out and 212 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
- 772 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 1496 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
959 WUUS54 KMOB 072239 SVRMOB ALC003-023-025-097-099-129-072330- /O.NEW.KMOB.SV.W.0097.110607T2239Z-110607T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 539 PM CDT TUE JUN 7 2011 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA... NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA... SOUTH CENTRAL CHOCTAW COUNTY IN SOUTHWEST ALABAMA... CLARKE COUNTY IN SOUTHWEST ALABAMA... THIS INCLUDES THE CITIES OF...JACKSON...GROVE HILL... NORTHEASTERN MOBILE COUNTY IN SOUTHWEST ALABAMA... EASTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA... THIS INCLUDES THE CITY OF CHATOM... * UNTIL 630 PM CDT * AT 536 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM GROVE HILL TO 13 MILES NORTH OF BAY MINETTE...AND MOVING WEST AT 20 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... CHOCTAW BLUFF AROUND 545 PM CDT... JACKSON AROUND 600 PM CDT... JACKSON AROUND 605 PM CDT... CORTELUOU AROUND 625 PM CDT... SAINT STEPHRNS...MOUNT VERNON...MCINTOSH AND COFFEEVILLE AROUND 630 PM CDT... && LAT...LON 3184 8770 3103 8762 3106 8822 3186 8829 TIME...MOT...LOC 2239Z 092DEG 16KT 3175 8780 3107 8773 $$
1 follow-up statement
213
WWUS54 KMOB 072304
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
604 PM CDT TUE JUN 7 2011
ALC099-072314-
/O.CAN.KMOB.SV.W.0097.000000T0000Z-110607T2330Z/
MONROE AL-
604 PM CDT TUE JUN 7 2011
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHWESTERN MONROE
COUNTY IS CANCELLED...
LAT...LON 3184 8782 3135 8773 3137 8775 3133 8778
3131 8776 3131 8773 3103 8768 3106 8822
3185 8829
TIME...MOT...LOC 2304Z 090DEG 22KT 3171 8808 3107 8789
$$
ALC003-023-025-097-129-072330-
/O.CON.KMOB.SV.W.0097.000000T0000Z-110607T2330Z/
WASHINGTON AL-CLARKE AL-CHOCTAW AL-BALDWIN AL-MOBILE AL-
604 PM CDT TUE JUN 7 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHEASTERN MOBILE...NORTHWESTERN BALDWIN...SOUTH CENTRAL
CHOCTAW...WESTERN CLARKE AND EASTERN WASHINGTON COUNTIES...
AT 559 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM TATTLERSVILLE TO LATHAM...OR
ALONG A LINE EXTENDING FROM 16 MILES WEST OF GROVE HILL TO 14 MILES
NORTH OF BAY MINETTE...MOVING WEST AT 25 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
SERVICE...WAGARVILLE AND TOINETTE BY 610 PM CDT...
FORT STODDARD...CALVERT...MCINTOSH AND MALCOLM BY 615 PM CDT...
BLADON SPRINGS...MOUNT VERNON AND SILVER CROSS BY 620 PM CDT...
LAT...LON 3184 8782 3135 8773 3137 8775 3133 8778
3131 8776 3131 8773 3103 8768 3106 8822
3185 8829
TIME...MOT...LOC 2304Z 090DEG 22KT 3171 8808 3107 8789
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 12:33 AM CDT | Special Marine Warning | MOB | 87 min | |
| Jun 7, 2:11 AM CDT | Special Marine Warning | MOB | 94 min | |
| Jun 7, 3:16 AM CDT | Special Marine Warning | MOB | 44 min | |
| Jun 7, 4:10 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 35 min |
| Jun 7, 4:30 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 45 min |
| Jun 7, 4:36 PM CDT | Severe Thunderstorm Warning | MOB | Monroe | 39 min |
| Jun 7, 4:46 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 44 min |
| Jun 7, 4:52 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Escambia, Monroe | 38 min |
| Jun 7, 5:07 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Washington | 16 min |
| Jun 7, 5:18 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 42 min |
| Jun 7, 5:19 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Escambia, Monroe, Washington | 41 min |
| Jun 7, 5:35 PM CDT | Flash Flood Warning | MOB | Washington | 4 hr |
| Jun 7, 5:53 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 37 min |
| Jun 7, 6:08 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 52 min |
| Jun 7, 6:17 PM CDT | Severe Thunderstorm Warning | MOB | Mobile, Washington | 43 min |
| Jun 7, 6:38 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 37 min |
| Jun 7, 6:47 PM CDT | Special Marine Warning | MOB | 88 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.