Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 48, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 5, 2012, 1:01 PM CDT for Conecuh County, Escambia County, Monroe County, Alabama. It was in force for 59 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
- Apr 5, 2012, 1:01 PM CDT (18:01 UTC)
- Expired
- Apr 5, 2012, 2:00 PM CDT
- In force
- 59 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Conecuh County, AL, Escambia County, AL, Monroe County, AL
The radar
The Mobile radar (KMOB), 99 km from the middle of the area, began a volume at 18:02 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 5, 9:14 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.0 hours before the alert went out and 220 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
- 315 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -91 m²/s²
- 0-3 km storm-relative helicity
- -43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.5
The text
As transmitted, in the capitals the NWS used until 2016.
108
WUUS54 KMOB 051801
SVRMOB
ALC035-053-099-051900-
/O.NEW.KMOB.SV.W.0048.120405T1801Z-120405T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
101 PM CDT THU APR 5 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
NORTHWESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 200 PM CDT
* AT 100 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS UP TO 60 MPH WAS LOCATED 15
MILES SOUTHWEST OF FRISCO CITY...OR 4 MILES EAST OF URIAH...AND
MOVING EAST AT 25 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
I65 AND AL 41 AROUND 200 PM CDT...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 67 AND 84.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM CDT
THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3116 8713 3118 8753 3122 8762 3124 8762
3125 8765 3129 8770 3141 8763 3141 8760
3142 8759 3144 8710
TIME...MOT...LOC 1800Z 273DEG 20KT 3132 8760
$$
PURDY3 follow-up statements
798 WWUS54 KMOB 051822 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 122 PM CDT THU APR 5 2012 ALC035-053-099-051900- /O.CON.KMOB.SV.W.0048.000000T0000Z-120405T1900Z/ CONECUH AL-ESCAMBIA AL-MONROE AL- 122 PM CDT THU APR 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR SOUTH CENTRAL MONROE...NORTH CENTRAL ESCAMBIA AND SOUTHWESTERN CONECUH COUNTIES... AT 120 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 8 MILES SOUTH OF FRISCO CITY...OR 5 MILES SOUTH OF MEGARGEL...MOVING EAST AT 40 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... I65 AND AL 41 AROUND 140 PM CDT... THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 70 AND 84. PRECAUTIONARY/PREPAREDNESS ACTIONS... HAIL UP TO ONE HALF INCH IN DIAMETER AND VERY GUSTY WINDS HAVE BEEN REPORTED NEAR URIAH WITH THIS STORM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3126 8748 3137 8747 3144 8710 3116 8713 TIME...MOT...LOC 1820Z 277DEG 34KT 3131 8740 $$ PURDY
088 WWUS54 KMOB 051840 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 140 PM CDT THU APR 5 2012 ALC099-051850- /O.CAN.KMOB.SV.W.0048.000000T0000Z-120405T1900Z/ MONROE AL- 140 PM CDT THU APR 5 2012 ...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR SOUTH CENTRAL MONROE COUNTY... AT 140 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTH CENTRAL MONROE COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3121 8730 3134 8726 3144 8710 3116 8713 TIME...MOT...LOC 1840Z 277DEG 34KT 3129 8718 $$ ALC035-053-051900- /O.CON.KMOB.SV.W.0048.000000T0000Z-120405T1900Z/ CONECUH AL-ESCAMBIA AL- 140 PM CDT THU APR 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR NORTH CENTRAL ESCAMBIA AND SOUTHWESTERN CONECUH COUNTIES... AT 140 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 13 MILES NORTHWEST OF BREWTON...OR NEAR I65 AND AL 41...MOVING EAST AT 40 MPH. THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 71 AND 84. PRECAUTIONARY/PREPAREDNESS ACTIONS... CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3121 8730 3134 8726 3144 8710 3116 8713 TIME...MOT...LOC 1840Z 277DEG 34KT 3129 8718 $$ PURDY
071 WWUS54 KMOB 051856 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 156 PM CDT THU APR 5 2012 ALC035-053-051904- /O.EXP.KMOB.SV.W.0048.000000T0000Z-120405T1900Z/ CONECUH AL-ESCAMBIA AL- 156 PM CDT THU APR 5 2012 ...THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE FOR NORTH CENTRAL ESCAMBIA AND SOUTHWESTERN CONECUH COUNTIES... AT 156 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTH CENTRAL ESCAMBIA AND SOUTHWESTERN CONECUH COUNTIES HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE AT 200 PM CDT. TO REPORT SEVERE WEATHER...CALL (800) 284-9059. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3121 8730 3134 8726 3144 8710 3116 8713 TIME...MOT...LOC 1854Z 277DEG 34KT 3127 8703 $$ PURDY
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 8:23 AM CDT | Special Marine Warning | MOB | 97 min | |
| Apr 5, 10:24 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 66 min |
| Apr 5, 11:24 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington, Wilcox | 66 min |
| Apr 5, 5:10 PM CDT | Special Marine Warning | MOB | 65 min | |
| Apr 5, 6:15 PM CDT | Special Marine Warning | MOB | 60 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.