Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 12, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Mar 27, 2021, 4:28 PM CDT for Cullman County, Alabama. It was in force for 47 min. 6 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 27, 2021, 4:28 PM CDT (21:28 UTC)
- Expired
- Mar 27, 2021, 5:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Cullman County, AL
The radar
The Birmingham radar (KBMX), 93 km from the middle of the area, began a volume at 21:29 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 27, 4:57 PM CDT | TSTM WND DMG | 1 Nne Good Hope, AL | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 NNE GOOD HOPE. TREE DOWN IN GOOD HOPE. |
| Mar 27, 4:57 PM CDT | TSTM WND DMG | Good Hope, AL | TWO TREES WERE UPROOTED AND BLOWN DOWN OVER THE ROAD ON DOC CLEMMONS ROAD. |
| Mar 27, 5:01 PM CDT | HAIL 0.88 | Good Hope, AL | NICKLE-SIZED HAIL REPORTED IN GOOD HOPE, AL. |
| Mar 27, 5:02 PM CDT | TSTM WND DMG | 1 Sw Good Hope, AL | FOUR TREES WERE REPORTED DOWN ON DAY GAP ROAD. |
| Mar 27, 5:03 PM CDT | TSTM WND GST 50 | Good Hope, AL | MEASURED 50 MPH WIND GUST IN GOOD HOPE, AL ALSO BLEW DOWN ONE SMALL TREE. |
| Mar 27, 5:13 PM CDT | HAIL 1 | Cullman, AL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 9.5 hours before the alert went out and 92 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
- 1085 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.2
The text
As transmitted.
635
WUUS54 KHUN 272128
SVRHUN
ALC043-272215-
/O.NEW.KHUN.SV.W.0012.210327T2128Z-210327T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Huntsville AL
428 PM CDT Sat Mar 27 2021
The National Weather Service in Huntsville Alabama has issued a
* Severe Thunderstorm Warning for...
Central Cullman County in north central Alabama...
* Until 515 PM CDT.
* At 428 PM CDT, a severe thunderstorm was located over Sipsey, or 7
miles northwest of Sumiton, moving northeast 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...
Cullman, Hanceville, Good Hope, Holly Pond, Dodge City, Vinemont,
Garden City, Colony, Phelan and Walter.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM CDT for north central
Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3389 8701 3390 8710 3392 8708 3397 8713
3429 8680 3414 8659 3412 8660 3412 8663
3409 8668 3409 8669 3405 8668 3406 8671
3403 8670 3395 8679 3396 8682 3394 8682
3391 8692 3387 8693 3386 8699
TIME...MOT...LOC 2128Z 227DEG 37KT 3386 8710
HAIL...1.00IN
WIND...60MPH
$$
KTW2 follow-up statements
350
WWUS54 KHUN 272202
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
502 PM CDT Sat Mar 27 2021
ALC043-272215-
/O.CON.KHUN.SV.W.0012.000000T0000Z-210327T2215Z/
Cullman AL-
502 PM CDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR CENTRAL CULLMAN COUNTY...
At 502 PM CDT, a severe thunderstorm was located over Hanceville, or
near Cullman, moving northeast at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Cullman, Hanceville, Good Hope, Holly Pond, Dodge City, Vinemont,
Garden City, Phelan and Walter.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM CDT for north central
Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3409 8700 3429 8680 3414 8659 3412 8660
3412 8663 3409 8668 3409 8669 3405 8668
3406 8671 3403 8670 3395 8679 3396 8682
TIME...MOT...LOC 2202Z 227DEG 37KT 3410 8679
HAIL...1.00IN
WIND...60MPH
$$
KTW083
WWUS54 KHUN 272208
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
508 PM CDT Sat Mar 27 2021
ALC043-272215-
/O.CON.KHUN.SV.W.0012.000000T0000Z-210327T2215Z/
Cullman AL-
508 PM CDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR CENTRAL CULLMAN COUNTY...
At 508 PM CDT, a severe thunderstorm was located near Hanceville, or
near Cullman, moving northeast at 45 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Cullman, Hanceville, Good Hope, Holly Pond, Dodge City, Vinemont,
Garden City, Phelan and Walter.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM CDT for north central
Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3429 8680 3414 8659 3412 8660 3412 8663
3409 8668 3409 8669 3405 8668 3406 8671
3403 8670 3399 8676 3401 8682 3412 8697
TIME...MOT...LOC 2208Z 227DEG 37KT 3415 8673
HAIL...1.50IN
WIND...60MPH
$$
KTWThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 1:28 AM CDT | Flash Flood Watch | HUN | Colbert, Franklin, Jackson, Lauderdale, Lawrence, Limestone and 2 more | 31 hr |
| Mar 27, 2:47 AM CDT | Special Weather Statement | HUN | Colbert | 28 min |
| Mar 27, 3:05 AM CDT | Special Weather Statement | HUN | Jackson | 40 min |
| Mar 27, 3:14 AM CDT | Special Weather Statement | HUN | Lauderdale | 46 min |
| Mar 27, 3:40 AM CDT | Special Weather Statement | HUN | Jackson | 35 min |
| Mar 27, 3:52 AM CDT | Severe Thunderstorm Warning | HUN | Jackson | 38 min |
| Mar 27, 10:02 AM CDT | Special Weather Statement | HUN | Lauderdale | 28 min |
| Mar 27, 10:57 AM CDT | Special Weather Statement | HUN | Lauderdale | 18 min |
| Mar 27, 4:22 PM CDT | Special Weather Statement | HUN | Lawrence | 23 min |
| Mar 27, 4:36 PM CDT | Severe Thunderstorm Warning | HUN | Lawrence | 24 min |
| Mar 27, 4:57 PM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Morgan | 18 min |
| Mar 27, 5:14 PM CDT | Severe Thunderstorm Warning | HUN | Cullman, Madison, Marshall, Morgan | 46 min |
| Mar 27, 5:17 PM CDT | Special Weather Statement | HUN | Morgan | 28 min |
| Mar 27, 5:44 PM CDT | Special Weather Statement | HUN | Morgan | 46 min |
| Mar 27, 5:54 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison, Marshall | 36 min |
| Mar 27, 6:14 PM CDT | Special Weather Statement | HUN | Madison | 16 min |
| Mar 27, 6:24 PM CDT | Severe Thunderstorm Warning | HUN | Jackson | 31 min |
| Mar 27, 6:29 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 16 min |
| Mar 27, 6:43 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 17 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.