Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Mar 16, 2021, 1:45 AM CDT for Lauderdale County, Alabama. It was in force for 45 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
- Mar 16, 2021, 1:45 AM CDT (06:45 UTC)
- Expired
- Mar 16, 2021, 2:30 AM CDT
- In force
- 45 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Lauderdale County, AL
The radar
The Columbus AFB radar (KGWX), 121 km from the middle of the area, began a volume at 06:47 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 nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 6.8 hours before the alert went out and 177 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2890 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
263
WUUS54 KHUN 160645
SVRHUN
ALC077-160730-
/O.NEW.KHUN.SV.W.0002.210316T0645Z-210316T0730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Huntsville AL
145 AM CDT Tue Mar 16 2021
The National Weather Service in Huntsville Alabama has issued a
* Severe Thunderstorm Warning for...
Northwestern Lauderdale County in northwestern Alabama...
* Until 230 AM CDT.
* At 145 AM CDT, a severe thunderstorm was located over J P Coleman
State Park, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Waterloo, Wright, Zip City and Threet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3501 8816 3500 8758 3491 8756 3488 8797
3491 8804 3489 8810 3492 8816 3496 8817
3500 8820
TIME...MOT...LOC 0645Z 258DEG 37KT 3492 8814
HAIL...1.00IN
WIND...60MPH
$$
05/MA1 follow-up statement
176
WWUS54 KHUN 160705
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
205 AM CDT Tue Mar 16 2021
ALC077-160730-
/O.CON.KHUN.SV.W.0002.000000T0000Z-210316T0730Z/
Lauderdale AL-
205 AM CDT Tue Mar 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR NORTH CENTRAL LAUDERDALE COUNTY...
At 205 AM CDT, a severe thunderstorm was located 8 miles southeast of
Walnut Grove, or 12 miles east of J P Coleman State Park, moving east
at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Zip City and Threet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3500 8758 3491 8756 3488 8797 3501 8799
TIME...MOT...LOC 0705Z 257DEG 32KT 3495 8794
HAIL...1.00IN
WIND...60MPH
$$
05/MAThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 12:42 AM CDT | Special Weather Statement | HUN | Morgan | 48 min |
| Mar 16, 1:10 AM CDT | Special Weather Statement | HUN | Franklin | 50 min |
| Mar 16, 1:31 AM CDT | Special Weather Statement | HUN | Lauderdale | 44 min |
| Mar 16, 2:01 AM CDT | Special Weather Statement | HUN | Madison | 44 min |
| Mar 16, 2:04 AM CDT | Special Weather Statement | HUN | Lawrence | 41 min |
| Mar 16, 2:25 AM CDT | Severe Thunderstorm Warning | HUN | Lauderdale | 49 min |
| Mar 16, 2:42 AM CDT | Special Weather Statement | HUN | Limestone | 48 min |
| Mar 16, 2:45 AM CDT | Special Weather Statement | HUN | Lawrence | 45 min |
| Mar 16, 3:02 AM CDT | Special Weather Statement | HUN | Madison, Morgan | 43 min |
| Mar 16, 3:17 AM CDT | Special Weather Statement | HUN | Limestone | 43 min |
| Mar 16, 3:46 AM CDT | Special Weather Statement | HUN | Jackson | 44 min |
| Mar 16, 5:32 AM CDT | Flash Flood Warning | HUN | Cullman | 3 hr |
| Mar 16, 2:44 PM CDT | River Flood Warning | HUN | Madison | 62 hr |
| Mar 16, 3:17 PM CDT | River Flood Warning | HUN | Jackson, Madison, Marshall | 43 hr |
Nearby
Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm warning in 2021
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.