Alert archive / Alabama / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 21, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Apr 3, 2007, 10:42 PM CDT for Colbert County, Franklin County, Lawrence County, Alabama. It was in force for 48 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
- Apr 3, 2007, 10:42 PM CDT (03:42 UTC)
- Expired
- Apr 3, 2007, 11:30 PM CDT
- In force
- 48 min
- Issued by
- NWS Huntsville, AL
- Area
- Counties, with a storm outline in the text
Counties Colbert County, AL, Franklin County, AL, Lawrence County, AL
The radar
The Columbus AFB radar (KGWX), 106 km from the middle of the area, began a volume at 03:45 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 |
|---|---|---|---|
| Apr 3, 11:04 PM CDT | HAIL 0.75 | 4 N Moulton, AL |
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 |
|---|---|---|---|
| Apr 3, 8:03 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 3.7 hours before the alert went out and 174 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
- 1952 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 863 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHUN 040342 SVRHUN ALC033-059-079-040430- /O.NEW.KHUN.SV.W.0021.070404T0342Z-070404T0430Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 1042 PM CDT TUE APR 3 2007 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... COLBERT COUNTY IN NORTHWEST ALABAMA... FRANKLIN COUNTY IN NORTHWEST ALABAMA... LAWRENCE COUNTY IN NORTHWEST ALABAMA... * UNTIL 1130 PM CDT * AT 1041 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES EAST OF NORTH COURTLAND TO 13 MILES NORTH OF RED BAY...MOVING SOUTHEAST AT 45 MPH. * LOCATIONS IMPACTED INCLUDE... LEIGHTON... NORTH COURTLAND... LITTLEVILLE... RED BAY... BELGREEN... MOULTON... 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. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING FOR NORTHERN ALABAMA. LAT...LON 3480 8714 3468 8828 3433 8813 3440 8710 $$ JE
2 follow-up statements
000 WWUS54 KHUN 040409 SVSHUN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1109 PM CDT TUE APR 3 2007 ALC033-059-079-040430- /O.CON.KHUN.SV.W.0021.000000T0000Z-070404T0430Z/ FRANKLIN AL-COLBERT AL-LAWRENCE AL- 1109 PM CDT TUE APR 3 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR LAWRENCE...COLBERT AND FRANKLIN COUNTIES... AT 1109 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DIME SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM CADDO TO RED BAY...MOVING SOUTHEAST AT 40 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ISBELL...MOULTON...MT HOPE...LANDERSVILLE...VINA...ATWOOD...SPRUCE PINE...DUKETON...WREN AND SPEAKE INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF POSSIBLE. IF OUTDOORS...STAY AWAY FROM METAL FENCES AND HIGH OBJECTS SUCH AS TREES. AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. HAIL UP TO PENNY SIZE HAS BEEN REPORTED JUST NORTH OF MOULTON WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING FOR NORTHERN ALABAMA. LAT...LON 3480 8714 3468 8828 3433 8813 3440 8710 $$ JE
000
WWUS54 KHUN 040415
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1114 PM CDT TUE APR 3 2007
ALC033-040424-
/O.CAN.KHUN.SV.W.0021.000000T0000Z-070404T0430Z/
COLBERT AL-
1114 PM CDT TUE APR 3 2007
...THE SEVERE THUNDERSTORM WARNING FOR COLBERT COUNTY IS CANCELLED...
THE MAIN LINE OF STORMS HAS MOVED SOUTH OF COLBERT COUNTY...THUS THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING
FOR NORTHERN ALABAMA.
LAT...LON 3475 8728 3477 8721 3471 8713 3436 8712
3435 8813 3442 8815 3458 8813 3457 8752
3465 8747 3466 8743 3469 8745 3478 8741
3479 8733
$$
ALC059-079-040430-
/O.CON.KHUN.SV.W.0021.000000T0000Z-070404T0430Z/
FRANKLIN AL-LAWRENCE AL-
1114 PM CDT TUE APR 3 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR LAWRENCE AND FRANKLIN COUNTIES...
AT 1114 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DIME
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM CADDO TO RED BAY...MOVING
SOUTHEAST AT 40 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
SPRUCE PINE...MT HOPE...LANDERSVILLE AND ATWOOD BY 1120 PM CDT...
WREN AND DUKETON BY 1125 PM CDT...
SPEAKE AND PHIL CAMPBELL BY 1130 PM CDT...
INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF
POSSIBLE. IF OUTDOORS...STAY AWAY FROM METAL FENCES AND HIGH OBJECTS
SUCH AS TREES. AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING
FOR NORTHERN ALABAMA.
LAT...LON 3475 8728 3477 8721 3471 8713 3436 8712
3435 8813 3442 8815 3458 8813 3457 8752
3465 8747 3466 8743 3469 8745 3478 8741
3479 8733
$$
JEThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 9:48 PM CDT | Severe Thunderstorm Warning | HUN | Lauderdale | 42 min |
| Apr 3, 10:34 PM CDT | Tornado Warning | HUN | Madison | 26 min |
| Apr 3, 10:56 PM CDT | Severe Thunderstorm Warning | HUN | Limestone | 21 min |
| Apr 3, 10:58 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 47 min |
| Apr 3, 11:14 PM CDT | Tornado Warning | HUN | Jackson | 24 min |
| Apr 3, 11:29 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 31 min |
| Apr 3, 11:38 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 37 min |
| Apr 3, 11:43 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 32 min |
| Apr 3, 11:46 PM CDT | Severe Thunderstorm Warning | HUN | Marshall | 30 min |
| Apr 4, 12:16 AM CDT | Severe Thunderstorm Warning | HUN | Cullman | 14 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2007Every severe thunderstorm warning in 2007
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.