Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Huntsville, AL

October 15, 2021Franklin County, Lawrence County, Alabama

NWS Huntsville, AL issued this special weather statement at Oct 15, 2021, 10:26 PM CDT for Franklin County, Lawrence County, Alabama. It was in force for 34 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: Oct 15, 2021, 10:26 PM CDT (03:26 UTC)
Expired: Oct 15, 2021, 11:00 PM CDT
In force: 34 min
Issued by: NWS Huntsville, AL
Hail: 0.00 in
Wind: 40

Counties Franklin County, AL, Lawrence County, AL

The radar

The Columbus AFB radar (KGWX), 89 km from the middle of the area, began a volume at 03:30 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

Nashville Metro, TN (KBNA), launched 00:00Z, 3.4 hours before the alert went out and 209 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 519 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 903 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 107 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Huntsville, AL wrote its last area forecast discussion before this special weather statement went out at Oct 15, 8:24 PM CDT, 2 hours 2 minutes earlier.

Area forecast discussion, Oct 15, 8:24 PM CDT, 2 hours 2 minutes before

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Hazardous weather outlook, Oct 15, 8:38 PM CDT, 1 hour 48 minutes before

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In the hours before

Special weather statement, Oct 15, 4:46 PM CDT, 5 hours 40 minutes before

Special Weather Statement
National Weather Service Huntsville AL
446 PM CDT Fri Oct 15 2021

ALZ005-006-TNZ096-152215-
Madison AL-Limestone AL-Lincoln TN-
446 PM CDT Fri Oct 15 2021

...A strong thunderstorm will impact portions of northwestern
Madison, northeastern Limestone and southwestern Lincoln Counties
through 515 PM CDT...

At 445 PM CDT, Doppler radar was tracking a strong thunderstorm near
Ardmore, or 12 miles north of Athens, moving east at 20 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Ardmore, Blanche, Taft, Elkwood, Holland Gin and Cash Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3504 8670 3493 8669 3492 8695 3499 8695
      3499 8684 3502 8683
TIME...MOT...LOC 2145Z 263DEG 19KT 3497 8690

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

KTW

Special weather statement, Oct 15, 5:36 PM CDT, 4 hours 50 minutes before

Special Weather Statement
National Weather Service Huntsville AL
536 PM CDT Fri Oct 15 2021

ALZ002>004-152300-
Lawrence AL-Franklin AL-Colbert AL-
536 PM CDT Fri Oct 15 2021

...A strong thunderstorm will impact portions of southeastern
Colbert, northeastern Franklin and southwestern Lawrence Counties
through 600 PM CDT...

At 536 PM CDT, Doppler radar was tracking a strong thunderstorm near
Russellville, moving east at 30 mph.

HAZARD...Winds up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Russellville, Moulton, Town Creek, Littleville, Courtland, Mt Hope,
La Grange, Tharptown, Ne Smith and Landersville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3443 8775 3461 8777 3468 8732 3441 8730
TIME...MOT...LOC 2236Z 265DEG 24KT 3453 8767

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

KTW

Special weather statement, Oct 15, 6:17 PM CDT, 4 hours 9 minutes before

Special Weather Statement
National Weather Service Huntsville AL
617 PM CDT Fri Oct 15 2021

ALZ004-152345-
Lawrence AL-
617 PM CDT Fri Oct 15 2021

...A strong thunderstorm will impact portions of central Lawrence
County through 645 PM CDT...

At 617 PM CDT, Doppler radar was tracking a strong thunderstorm near
Moulton, moving east at 20 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Moulton, Chalybeate Springs and Hatton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
northwestern Alabama.

&&

LAT...LON 3448 8745 3457 8745 3459 8716 3444 8717
TIME...MOT...LOC 2317Z 274DEG 17KT 3452 8739

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

KTW

Special weather statement, Oct 15, 7:52 PM CDT, 2 hours 34 minutes before

Special Weather Statement
National Weather Service Huntsville AL
752 PM CDT Fri Oct 15 2021

ALZ006-009-TNZ076-096-097-160115-
Madison AL-Jackson AL-Franklin TN-Moore TN-Lincoln TN-
752 PM CDT Fri Oct 15 2021

...Strong thunderstorms will impact portions of northwestern Jackson,
Madison, south central Moore, southeastern Lincoln and southwestern
Franklin Counties through 815 PM CDT...

At 752 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles north of Hazel Green to Meridianville
to Huntsville. Movement was east at 25 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Huntsville, Madison, Moores Mill, Redstone Arsenal, Meridianville,
Hazel Green, Owens Cross Roads, Huntland, Gurley and Marshall Space
Flight Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
north central Alabama...and Middle Tennessee.

&&

LAT...LON 3520 8614 3489 8620 3461 8639 3464 8679
      3466 8679 3485 8666 3509 8661
TIME...MOT...LOC 0052Z 264DEG 21KT 3503 8654 3487 8658 3472 8668

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

KTW

Special weather statement, Oct 15, 10:26 PM CDT, 0 minutes before

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The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 15, 7:52 PM CDT	Special Weather Statement	HUN	Madison	23 min
Oct 15, 10:58 PM CDT	Special Weather Statement	HUN	Lincoln, Moore	47 min

Nearby

Special Weather Statements in Alabama, 2021 Every special weather statement 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.