Alert archive / Alabama / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 21, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Mar 18, 2013, 12:59 PM CDT for Colbert County, Franklin County, Lawrence County, Alabama. It was in force for 31 min. 3 reports 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 18, 2013, 12:59 PM CDT (17:59 UTC)
- Expired
- Mar 18, 2013, 1:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
Counties Colbert County, AL, Franklin County, AL, Lawrence County, AL
The radar
The Columbus AFB radar (KGWX), 107 km from the middle of the area, began a volume at 17:59 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 18, 1:03 PM CDT | HAIL 0.5 | 1 Ssw Russellville, AL | MARBLE SIZED HAIL REPORTED JUST SOUTH OF RUSSELLVILLE |
| Mar 18, 1:10 PM CDT | HAIL 0.5 | 2 S Town Creek, AL | DIME SIZED HAIL REPORTED NORTH OF HATTON |
| Mar 18, 1:18 PM CDT | HAIL 1.5 | S Hatton, AL | SILVER DOLLAR SIZED HAIL REPORTED IN HATTON |
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 18, 8:09 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.0 hours before the alert went out and 170 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
- 196 J/kg
- Mixed-layer CIN
- -139 J/kg
- Mixed-layer LCL
- 520 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 298 m²/s²
- 0-3 km storm-relative helicity
- 281 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
424
WUUS54 KHUN 181759
SVRHUN
ALC033-059-079-181830-
/O.NEW.KHUN.SV.W.0021.130318T1759Z-130318T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1259 PM CDT MON MAR 18 2013
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN COLBERT COUNTY IN NORTHWEST ALABAMA...
NORTHEASTERN FRANKLIN COUNTY IN NORTHWEST ALABAMA...
NORTHWESTERN LAWRENCE COUNTY IN NORTHWEST ALABAMA...
* UNTIL 130 PM CDT
* AT 1259 PM CDT...DOPPLER RADAR INDICATED A CLUSTER OF SEVERE
THUNDERSTORMS OVER EASTERN FRANKLIN COUNTY. CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE
STRONGEST OF THESE STORMS WAS LOCATED NEAR RUSSELLVILLE...AND
MOVING EAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
RUSSELLVILLE...TOWN CREEK...LITTLEVILLE...LEIGHTON...NORTH
COURTLAND...COURTLAND AND HILLSBORO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 3454 8786 3479 8739 3473 8724 3461 8716
3452 8721 3436 8789
TIME...MOT...LOC 1755Z 251DEG 37KT 3451 8768
$$
KTW1 follow-up statement
785
WWUS54 KHUN 181811
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
111 PM CDT MON MAR 18 2013
ALC033-059-079-181830-
/O.CON.KHUN.SV.W.0021.000000T0000Z-130318T1830Z/
COLBERT AL-FRANKLIN AL-LAWRENCE AL-
111 PM CDT MON MAR 18 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR EXTREME SOUTHEASTERN COLBERT...EASTERN FRANKLIN AND NORTHWESTERN
LAWRENCE COUNTIES...
AT 111 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 9
MILES SOUTHWEST OF TOWN CREEK...MOVING EAST AT 45 MPH.
IN ADDITION...AT 111 PM DIME SIZE HAIL WAS REPORTED BETWEEN HATTON
AND TOWN CREEK.
LOCATIONS IMPACTED INCLUDE...
NORTH COURTLAND...COURTLAND AND HILLSBORO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MILES
PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 3455 8765 3469 8735 3474 8727 3461 8716
3452 8721 3440 8776
TIME...MOT...LOC 1805Z 251DEG 37KT 3456 8751
$$
KTWThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 7:55 AM CDT | Special Weather Statement | HUN | Jackson | 35 min |
| Mar 18, 8:20 AM CDT | Special Weather Statement | HUN | Limestone | 40 min |
| Mar 18, 8:52 AM CDT | Special Weather Statement | HUN | Madison | 23 min |
| Mar 18, 9:19 AM CDT | Special Weather Statement | HUN | Lauderdale | 26 min |
| Mar 18, 10:20 AM CDT | Special Weather Statement | HUN | Colbert | 40 min |
| Mar 18, 10:39 AM CDT | Special Weather Statement | HUN | Colbert | 36 min |
| Mar 18, 10:51 AM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin | 24 min |
| Mar 18, 11:24 AM CDT | Special Weather Statement | HUN | Lauderdale | 21 min |
| Mar 18, 11:40 AM CDT | Special Weather Statement | HUN | Lawrence | 35 min |
| Mar 18, 11:50 AM CDT | Special Weather Statement | HUN | Franklin | 25 min |
| Mar 18, 12:14 PM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Limestone | 31 min |
| Mar 18, 12:20 PM CDT | Special Weather Statement | HUN | Colbert, Franklin | 40 min |
| Mar 18, 12:34 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 26 min |
| Mar 18, 12:44 PM CDT | Severe Thunderstorm Warning | HUN | Limestone, Madison | 31 min |
| Mar 18, 1:21 PM CDT | Special Weather Statement | HUN | Madison | 39 min |
| Mar 18, 1:27 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lawrence, Morgan | 33 min |
| Mar 18, 1:32 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale | 43 min |
| Mar 18, 1:33 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Lawrence | 27 min |
| Mar 18, 1:38 PM CDT | Special Weather Statement | HUN | Jackson | 37 min |
| Mar 18, 1:59 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale, Lawrence | 31 min |
| Mar 18, 2:00 PM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Limestone, Morgan | 30 min |
| Mar 18, 2:11 PM CDT | Severe Thunderstorm Warning | HUN | Limestone | 19 min |
| Mar 18, 2:14 PM CDT | Special Weather Statement | HUN | Jackson | 31 min |
| Mar 18, 2:15 PM CDT | Severe Thunderstorm Warning | HUN | Limestone, Morgan | 30 min |
| Mar 18, 2:27 PM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Limestone, Morgan | 48 min |
| Mar 18, 2:54 PM CDT | Severe Thunderstorm Warning | HUN | Cullman, Lawrence, Limestone, Madison, Morgan | 36 min |
| Mar 18, 3:08 PM CDT | Special Weather Statement | HUN | Jackson | 22 min |
| Mar 18, 3:12 PM CDT | Severe Thunderstorm Warning | HUN | Cullman, DeKalb, Jackson, Limestone, Madison, Marshall and 1 more | 48 min |
| Mar 18, 3:15 PM CDT | Severe Thunderstorm Warning | HUN | Jackson | 15 min |
| Mar 18, 3:27 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 33 min |
| Mar 18, 3:32 PM CDT | Severe Thunderstorm Warning | HUN | Jackson | 28 min |
| Mar 18, 3:41 PM CDT | Tornado Warning | HUN | DeKalb, Jackson | 19 min |
| Mar 18, 3:45 PM CDT | Tornado Warning | HUN | DeKalb | 15 min |
| Mar 18, 3:52 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb, Jackson, Marshall | 38 min |
| Mar 18, 3:59 PM CDT | Tornado Warning | HUN | DeKalb | 31 min |
| Mar 18, 3:59 PM CDT | Tornado Warning | HUN | DeKalb | 31 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2013Every severe thunderstorm warning in 2013
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.