Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Huntsville, AL

June 3, 2021Moore County, Tennessee

NWS Huntsville, AL issued this special weather statement at Jun 3, 2021, 3:49 AM CDT for Moore County, Tennessee. It was in force for 56 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
Jun 3, 2021, 3:49 AM CDT (08:49 UTC)
Expired
Jun 3, 2021, 4:45 AM CDT
In force
56 min
Issued by
NWS Huntsville, AL

County Moore County, TN

The radar

The Northeast Alabama radar (KHTX), 49 km from the middle of the area, began a volume at 08:52 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, 8.8 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2021-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 389 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2021-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
389 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
931 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.1

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 Jun 3, 3:47 AM CDT, 2 minutes earlier.

Area forecast discussion, Jun 3, 3:47 AM CDT, 2 minutes before
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Hazardous weather outlook, Jun 2, 10:09 PM CDT, 5 hours 40 minutes before
Hazardous Weather Outlook
National Weather Service Huntsville AL
1009 PM CDT Wed Jun 2 2021

ALZ001>010-016-TNZ076-096-097-031130-
Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan-
Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN-
1009 PM CDT Wed Jun 2 2021

This Hazardous Weather Outlook is for north Alabama and portions of
southern middle Tennessee.

.DAY ONE...Tonight...

The probability of widespread hazardous weather is low.

A few thunderstorms will be possible overnight, capable of gusty
winds and heavy rainfall.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday...

Scattered to numerous showers and thunderstorms are expected to
develop along and ahead of a cold front on Thursday, with the best
coverage being along and east of the Interstate 65 corridor. A few
of these storms could be strong to marginally severe.

Isolated to scattered thunderstorms will be possible Sunday through
Tuesday.

.SPOTTER CALL TO ACTION STATEMENT...

Activation of storm spotters and emergency management personnel is
not anticipated at this time.

12

In the hours before

Special weather statement, Jun 3, 1:17 AM CDT, 2 hours 32 minutes before
Special Weather Statement
National Weather Service Huntsville AL
117 AM CDT Thu Jun 3 2021

ALZ001>003-030700-
Lauderdale AL-Franklin AL-Colbert AL-
117 AM CDT Thu Jun 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL LAUDERDALE...COLBERT AND
NORTHERN FRANKLIN COUNTIES UNTIL 200 AM CDT...

At 116 AM CDT, Doppler radar was tracking a strong thunderstorm 8
miles northwest of Belgreen, or 13 miles west of Russellville, moving
northeast at 30 mph.

Pea size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Florence, Muscle Shoals, Russellville, Sheffield, Tuscumbia, Red Bay,
Killen, Littleville, Leighton and St. Florian.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Very heavy rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3463 8812 3500 8754 3457 8752 3440 8816
TIME...MOT...LOC 0616Z 244DEG 25KT 3457 8795
Special weather statement, Jun 3, 2:06 AM CDT, 1 hour 43 minutes before
Special Weather Statement
National Weather Service Huntsville AL
206 AM CDT Thu Jun 3 2021

ALZ001-002-004-005-030745-
Lawrence AL-Lauderdale AL-Limestone AL-Colbert AL-
206 AM CDT Thu Jun 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN LAUDERDALE...NORTHWESTERN
LIMESTONE...SOUTHEASTERN COLBERT AND NORTHWESTERN LAWRENCE COUNTIES
UNTIL 245 AM CDT...

At 205 AM CDT, Doppler radar was tracking a strong thunderstorm near
Leighton, or near Muscle Shoals, moving northeast at 40 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Florence, Muscle Shoals, Sheffield, Tuscumbia, Rogersville, Killen,
Town Creek, Littleville, Lexington and Leighton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Very heavy rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3480 8778 3500 8764 3501 8761 3500 8721
      3473 8720 3457 8775 3457 8779
TIME...MOT...LOC 0705Z 234DEG 33KT 3468 8761
Special weather statement, Jun 3, 3:08 AM CDT, 41 minutes before
Special Weather Statement
National Weather Service Huntsville AL
308 AM CDT Thu Jun 3 2021

ALZ004-005-007-030900-
Lawrence AL-Morgan AL-Limestone AL-
308 AM CDT Thu Jun 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LIMESTONE...
NORTHWESTERN MORGAN AND SOUTHEASTERN LAWRENCE COUNTIES UNTIL 400 AM
CDT...

At 308 AM CDT, Doppler radar was tracking a strong thunderstorm 8
miles east of Moulton, moving northeast at 35 mph.

Penny size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Decatur, Madison, Athens, Hartselle, Priceville, Trinity, Tanner,
Huntsville International Airport, Mooresville and Belle Mina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3436 8717 3445 8725 3476 8702 3474 8679
      3469 8678 3452 8680
TIME...MOT...LOC 0808Z 222DEG 31KT 3445 8715
Special weather statement, Jun 3, 3:21 AM CDT, 28 minutes before
Special Weather Statement
National Weather Service Huntsville AL
321 AM CDT Thu Jun 3 2021

ALZ005-006-TNZ076-096-030915-
Madison AL-Limestone AL-Moore TN-Lincoln TN-
321 AM CDT Thu Jun 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MADISON...
NORTHEASTERN LIMESTONE...WEST CENTRAL MOORE AND LINCOLN COUNTIES
UNTIL 415 AM CDT...

At 320 AM CDT, Doppler radar was tracking a cluster of strong
thunderstorms crossing the I-65 corridor in southern middle
Tennessee south to near Athens, moving northeast at 30 mph.

Pea size hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Athens, Fayetteville, Ardmore, Petersburg, Harvest, Elkmont, French
Mill, Elkwood, Howell and Mimosa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Very heavy rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3535 8654 3536 8649 3534 8647 3532 8643
      3473 8680 3475 8706 3500 8696 3499 8684
      3526 8683 3525 8675 3531 8668 3533 8660
      3536 8660 3537 8659
TIME...MOT...LOC 0820Z 222DEG 27KT 3485 8693
Local storm report, Jun 3, 3:45 AM CDT, 4 minutes before
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Special weather statement, Jun 3, 3:49 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 9:02 PM CDTSpecial Weather StatementHUNDeKalb28 min
Jun 3, 12:46 AM CDTSpecial Weather StatementHUNLauderdale44 min
Jun 3, 1:17 AM CDTSpecial Weather StatementHUNColbert, Lauderdale43 min
Jun 3, 2:06 AM CDTSpecial Weather StatementHUNLauderdale39 min
Jun 3, 2:37 AM CDTSevere Thunderstorm WarningHUNLauderdale, Lawrence, Limestone38 min
Jun 3, 3:08 AM CDTSpecial Weather StatementHUNMorgan52 min
Jun 3, 3:21 AM CDTSpecial Weather StatementHUNLimestone54 min
Jun 3, 8:23 AM CDTSpecial Weather StatementHUNJackson37 min
Jun 3, 9:36 AM CDTSpecial Weather StatementHUNJackson24 min
Jun 3, 4:07 PM CDTSpecial Weather StatementHUNDeKalb38 min
Jun 3, 8:29 AM CDTSpecial Weather StatementHUNFranklin46 min

Nearby

Special Weather Statements in Tennessee, 2021Every 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.