Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 121, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 4, 2012, 1:04 PM CDT for Baldwin County, Alabama. It was in force for 43 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
- Jul 4, 2012, 1:04 PM CDT (18:04 UTC)
- Expired
- Jul 4, 2012, 1:47 PM CDT
- In force
- 43 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Baldwin County, AL
The radar
The Mobile radar (KMOB), 51 km from the middle of the area, began a volume at 18:04 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 |
|---|---|---|---|
| Jul 4, 1:20 PM CDT | TSTM WND DMG | 3 Sw Summerdale, AL | TREES ACROSS COUNTY ROAD 28 AND POWER LINES DOWN JUST WEST OF COUNTY ROAD 55. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.1 hours before the alert went out and 181 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
- 2629 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
423
WUUS54 KMOB 041804
SVRMOB
ALC003-041900-
/O.NEW.KMOB.SV.W.0121.120704T1804Z-120704T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
104 PM CDT WED JUL 4 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 200 PM CDT
* AT 1259 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 4 MILES WEST
OF FOLEY...OR NEAR MAGNOLIA SPRINGS...AND MOVING WEST AT 10 MPH.
* LOCATIONS IMPACTED INCLUDE...
POINT CLEAR... MAGNOLIA SPRINGS... FOLEY...
BON SECOUR...
LAT...LON 3034 8783 3037 8785 3038 8787 3041 8792
3045 8793 3051 8792 3048 8765 3030 8766
3030 8777
TIME...MOT...LOC 1805Z 094DEG 7KT 3040 8776
$$2 follow-up statements
313
WWUS54 KMOB 041828
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
128 PM CDT WED JUL 4 2012
ALC003-041900-
/O.CON.KMOB.SV.W.0121.000000T0000Z-120704T1900Z/
BALDWIN AL-
128 PM CDT WED JUL 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR SOUTH CENTRAL BALDWIN COUNTY...
AT 127 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 7 MILES WEST OF
FOLEY...OR 2 MILES WEST OF MAGNOLIA SPRINGS...MOVING WEST AT 10 MPH.
LOCATIONS IMPACTED INCLUDE...
POINT CLEAR... MAGNOLIA SPRINGS... FOLEY...
BON SECOUR...
LAT...LON 3034 8783 3037 8785 3038 8787 3041 8792
3045 8793 3051 8792 3048 8767 3030 8769
3030 8777
TIME...MOT...LOC 1828Z 094DEG 7KT 3040 8781
$$737
WWUS54 KMOB 041847
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
147 PM CDT WED JUL 4 2012
ALC003-041857-
/O.CAN.KMOB.SV.W.0121.000000T0000Z-120704T1900Z/
BALDWIN AL-
147 PM CDT WED JUL 4 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR SOUTH
CENTRAL BALDWIN COUNTY...
AT 145 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTH CENTRAL
BALDWIN COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3034 8783 3037 8785 3038 8787 3041 8792
3045 8793 3051 8792 3048 8767 3030 8769
3030 8777
TIME...MOT...LOC 1847Z 094DEG 7KT 3040 8785
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 10:21 AM CDT | Special Marine Warning | MOB | 63 min | |
| Jul 4, 12:15 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 60 min |
| Jul 4, 3:50 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Washington | 25 min |
| Jul 4, 4:03 PM CDT | Special Marine Warning | MOB | 42 min | |
| Jul 4, 4:09 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Washington | 23 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning in 2012
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.