Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 17, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Mar 2, 2012, 1:31 PM CST for Franklin County, Lawrence County, Alabama. It was in force for 29 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
- Mar 2, 2012, 1:31 PM CST (19:31 UTC)
- Expired
- Mar 2, 2012, 2:00 PM CST
- In force
- 29 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
Counties Franklin County, AL, Lawrence County, AL
The radar
The Columbus AFB radar (KGWX), 93 km from the middle of the area, began a volume at 19:34 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 |
|---|---|---|---|
| Mar 2, 2:00 PM CST | HAIL 0.5 | Nne Mt Hope, AL | DIME SIZE HAIL REPORT2 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 2, 9:25 AM CST | Tornado Watch | SPC | 5 hr |
| Mar 2, 1:20 PM CST | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 7.5 hours before the alert went out and 162 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
- 544 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 530 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
512
WUUS54 KHUN 021931
SVRHUN
ALC059-079-022000-
/O.NEW.KHUN.SV.W.0017.120302T1931Z-120302T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
131 PM CST FRI MAR 2 2012
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN FRANKLIN COUNTY IN NORTHWEST ALABAMA...
CENTRAL LAWRENCE COUNTY IN NORTHWEST ALABAMA...
* UNTIL 200 PM CST
* AT 129 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
DUKETON...OR ABOUT 11 MILES SOUTH OF RUSSELLVILLE...AND MOVING
NORTHEAST AT 55 MPH.
* LOCATIONS IMPACTED INCLUDE...
PLEASANT RIDGE...
NEWBURG...THARPTOWN...
MT HOPE...
HATTON...LANDERSVILLE...
MOULTON...NORTH COURTLAND...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 3431 8772 3431 8786 3440 8792 3457 8757
3457 8752 3458 8751 3460 8751 3470 8731
3450 8718 3430 8768
TIME...MOT...LOC 1931Z 242DEG 46KT 3437 8778
$$
BCC3 follow-up statements
189
WWUS54 KHUN 021944
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
144 PM CST FRI MAR 2 2012
ALC059-079-022000-
/O.CON.KHUN.SV.W.0017.000000T0000Z-120302T2000Z/
FRANKLIN AL-LAWRENCE AL-
144 PM CST FRI MAR 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CST
FOR WESTERN LAWRENCE AND EASTERN FRANKLIN COUNTIES...
AT 144 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR SPRUCE PINE...OR ABOUT 8 MILES SOUTHEAST OF
RUSSELLVILLE...MOVING NORTHEAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
THARPTOWN...NEWBURG...MT HOPE...NE SMITH...LANDERSVILLE...HATTON...
NORTH COURTLAND...MOULTON AND COURTLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY EVENING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
&&
LAT...LON 3447 8777 3457 8757 3457 8752 3458 8751
3460 8751 3470 8731 3450 8718 3430 8768
TIME...MOT...LOC 1944Z 240DEG 37KT 3442 8763
$$
BCC572
WWUS54 KHUN 021953
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
153 PM CST FRI MAR 2 2012
ALC059-079-022000-
/O.CON.KHUN.SV.W.0017.000000T0000Z-120302T2000Z/
FRANKLIN AL-LAWRENCE AL-
153 PM CST FRI MAR 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CST
FOR CENTRAL LAWRENCE AND NORTHEASTERN FRANKLIN COUNTIES...
AT 151 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR NEWBURG...OR ABOUT 12 MILES SOUTHEAST OF RUSSELLVILLE...
MOVING NORTHEAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MT
HOPE...NE SMITH...LANDERSVILLE...HATTON...NORTH COURTLAND...MOULTON
AND COURTLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 3436 8752 3453 8766 3457 8757 3457 8752
3458 8751 3460 8751 3470 8731 3450 8718
TIME...MOT...LOC 1954Z 240DEG 37KT 3445 8751
$$221
WWUS54 KHUN 021956
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
156 PM CST FRI MAR 2 2012
ALC059-079-022007-
/O.EXP.KHUN.SV.W.0017.000000T0000Z-120302T2000Z/
FRANKLIN AL-LAWRENCE AL-
156 PM CST FRI MAR 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LAWRENCE AND
NORTHEASTERN FRANKLIN COUNTIES EXPIRES AT 200 PM CST...
WEATHER SERVICE DOPPLER RADAR INDICATES THE THUNDERSTORM THAT
PROMPTED THE WARNING HAS WEAKENED AND IS NO LONGER SEVERE. THEREFORE
THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE.
HEAVY RAIN...SMALL HAIL...GUSTY WINDS...AND FREQUENT LIGHTNING ARE
STILL POSSIBLE FROM THIS THUNDERSTORM. STAY INDOORS UNTIL THE STORM
HAS PASSED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY EVENING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
LAT...LON 3436 8752 3453 8766 3457 8757 3457 8752
3458 8751 3460 8751 3470 8731 3450 8718
TIME...MOT...LOC 1957Z 240DEG 37KT 3446 8747
$$
BCCThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 4:44 AM CST | Wind Advisory | HUN | Colbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more | 11 hr |
| Mar 2, 7:21 AM CST | Special Weather Statement | HUN | Lawrence | 39 min |
| Mar 2, 8:09 AM CST | Special Weather Statement | HUN | Lawrence, Limestone | 51 min |
| Mar 2, 8:51 AM CST | Severe Thunderstorm Warning | HUN | Lauderdale, Lawrence, Limestone, Madison | 24 min |
| Mar 2, 9:12 AM CST | Severe Thunderstorm Warning | HUN | Limestone, Madison | 33 min |
| Mar 2, 9:15 AM CST | Special Weather Statement | HUN | Lawrence | 30 min |
| Mar 2, 9:18 AM CST | Tornado Warning | HUN | Limestone, Madison | 27 min |
| Mar 2, 9:35 AM CST | Tornado Warning | HUN | Limestone, Madison | 25 min |
| Mar 2, 9:41 AM CST | Tornado Warning | HUN | Jackson, Madison | 34 min |
| Mar 2, 9:59 AM CST | Tornado Warning | HUN | Jackson, Madison | 31 min |
| Mar 2, 10:10 AM CST | Tornado Warning | HUN | Jackson | 35 min |
| Mar 2, 10:24 AM CST | Tornado Warning | HUN | Jackson, Madison | 36 min |
| Mar 2, 1:01 PM CST | Special Weather Statement | HUN | Lawrence, Limestone | 44 min |
| Mar 2, 1:26 PM CST | Special Weather Statement | HUN | Franklin | 34 min |
| Mar 2, 1:30 PM CST | Severe Thunderstorm Warning | HUN | Lauderdale, Lawrence, Limestone | 30 min |
| Mar 2, 1:55 PM CST | Severe Thunderstorm Warning | HUN | Limestone, Madison | 50 min |
| Mar 2, 2:00 PM CST | Tornado Warning | HUN | Limestone | 30 min |
| Mar 2, 2:06 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 24 min |
| Mar 2, 2:29 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 31 min |
| Mar 2, 2:41 PM CST | Tornado Warning | HUN | Colbert, Lauderdale, Lawrence | 34 min |
| Mar 2, 3:07 PM CST | Tornado Warning | HUN | Limestone | 23 min |
| Mar 2, 3:16 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Lawrence | 29 min |
| Mar 2, 3:26 PM CST | Tornado Warning | HUN | Limestone, Madison | 34 min |
| Mar 2, 3:27 PM CST | Tornado Warning | HUN | Lawrence | 33 min |
| Mar 2, 3:44 PM CST | Severe Thunderstorm Warning | HUN | Limestone | 31 min |
| Mar 2, 3:58 PM CST | Tornado Warning | HUN | Jackson, Madison | 14 min |
| Mar 2, 4:00 PM CST | Severe Thunderstorm Warning | HUN | Lawrence, Morgan | 30 min |
| Mar 2, 4:10 PM CST | Severe Thunderstorm Warning | HUN | Jackson, Madison | 50 min |
| Mar 2, 4:15 PM CST | Severe Thunderstorm Warning | HUN | Cullman, Morgan | 30 min |
| Mar 2, 4:21 PM CST | Severe Thunderstorm Warning | HUN | Madison | 24 min |
| Mar 2, 4:33 PM CST | Tornado Warning | HUN | Cullman, Morgan | 27 min |
| Mar 2, 4:51 PM CST | Severe Thunderstorm Warning | HUN | Jackson, Madison | 24 min |
| Mar 2, 4:55 PM CST | Tornado Warning | HUN | Morgan | 15 min |
| Mar 2, 5:14 PM CST | Severe Thunderstorm Warning | HUN | Jackson | 46 min |
| Mar 2, 5:49 PM CST | Severe Thunderstorm Warning | HUN | Cullman | 26 min |
| Mar 2, 5:57 PM CST | Severe Thunderstorm Warning | HUN | Jackson | 18 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.