Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

February 9, 2021Decatur County, Miller County, Seminole County, Georgia

NWS Tallahassee, FL issued this special weather statement at Feb 9, 2021, 8:12 AM EST for Decatur County, Miller County, Seminole County, Georgia. It was in force for 48 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
Feb 9, 2021, 8:12 AM EST (13:12 UTC)
Expired
Feb 9, 2021, 9:00 AM EST
In force
48 min
Issued by
NWS Tallahassee, FL

Counties Decatur County, GA, Miller County, GA, Seminole County, GA

The radar

The Ft Rucker radar (KEOX), 73 km from the middle of the area, began a volume at 13:15 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 1.2 hours before the alert went out and 89 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, Tallahassee Rgnl, FL at 12:00Z on 2021-02-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 59 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, Tallahassee Rgnl, FL at 12:00Z on 2021-02-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939587897Sfc1 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
59 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.1

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 Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Feb 9, 6:25 AM EST, 1 hour 47 minutes earlier.

Area forecast discussion, Feb 9, 6:25 AM EST, 1 hour 47 minutes before
Area Forecast Discussion
National Weather Service Tallahassee FL
625 AM EST Tue Feb 9 2021

.AVIATION...
[Through 12Z Wednesday]

Mostly IFR conditions and rain showers are expected today with a
few thunderstorms mixed in. Rain chances should diminish into the
late afternoon and evening, although mist will remain possible
through the whole taf period. Ceilings are expected to become IFR
to even LIFR/VLIFR overnight tonight with dense fog possible in
some areas.

&&

.PREV DISCUSSION [229 AM EST]...

.NEAR TERM [Through Tonight]...

A shortwave rotating across the northern Gulf early this morning
will continue to spur the development of showers and thunderstorms
from west to east across the area through much of the day. With the
warm front to our south still, a stable layer at the surface will
keep any thunderstorm development elevated with the main threats
being small hail, heavy rainfall, and lightning. Light showers and
mist may stick around into the evening hours, but thunderstorm
chances should begin to diminish late afternoon as the shortwave
exits the area. A low stratus deck is forecast to move overhead this
morning and remain in place through at least tonight, with
intermittent mist possible throughout the near term period. Fog
development is expected overnight tonight and could become dense in
some areas.

.SHORT TERM [Wednesday Through Thursday]...

In the upper levels, a weak ridge will be over the region. At the
surface, a weak frontal boundary will lift northward through the
region on Wednesday. On Thursday, a low pressure system will develop
near Mississippi. On Wednesday, showers and thunderstorms will be
more likely north of I-10 with POPs of 40 to 60 percent. On
Thursday, showers and thunderstorms will move into the westernmost
part of the region in the late afternoon or evening. Potential for
severe storms will be low Wednesday and Thursday due to the absence
of upper level support. Skies will be cloudy. Highs will be in the
70s. Lows will be in the upper 50s.

.LONG TERM [Thursday Night Through Tuesday]...

In the upper levels, a shortwave will move through the region Friday
night. Otherwise, nearly zonal flow or weak ridging will be in
place. At the surface, a slow moving low pressure system will linger
over the region from Thursday night through Saturday morning. The
best chance for showers and thunderstorms appears to be Thursday
night through Friday night but uncertainty is high this far out.
Temperatures will be cooler after frontal passage with highs in the
50s and 60s this weekend.

.MARINE...

Light southerly winds will increase slightly on Thursday ahead of
the next low pressure system. Winds will be moderate and
northeasterly this weekend. Showers and thunderstorms are expected
with a weak system today and tomorrow, then a slow moving system is
expected late this week.

.FIRE WEATHER...

Very light transport winds and low mixing heights will keep
dispersion fairly stagnant for the next couple of days. Showers and
thunderstorms will be possible today, with fog possible both this
morning and again overnight tonight.

.HYDROLOGY...

Most local rivers are currently below action stage and none are in
flood stage or forecast to reach flood stage at this time. This week
will be fairly wet with a weak system expected today and tomorrow,
then a slow moving system is expected late this week into the
weekend. Forecast rainfall totals for the next five days are 1.5 to
2.5 inches. Flooding is not expected at this time but uncertainty is
high regarding the system late this week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not requested. However, spotters are always
encouraged to safely report significant weather conditions when they
occur (while following all local, state, and CDC guidelines) by
calling the office or tweeting us @NWSTallahassee.

&&

.PRELIMINARY POINT TEMPS/POPS...

Tallahassee   68  61  72  58  75 /  90  20  30  10  10
Panama City   68  61  70  60  71 /  70  10  30  10  20
Dothan        66  58  71  60  73 /  90   0  60  30  40
Albany        67  57  70  59  74 /  90  10  60  30  30
Valdosta      67  60  73  58  77 /  90  30  40  20  20
Cross City    72  59  76  57  78 /  40  10  10  10  10
Apalachicola  67  60  69  59  69 /  60  20  20  10  10

&&

.TAE WATCHES/WARNINGS/ADVISORIES...
FL...None.
GA...None.
AL...None.
GM...None.
&&

NEAR TERM...Merrifield
SHORT TERM...McD
LONG TERM...McD
AVIATION...Merrifield
MARINE...McD
FIRE WEATHER...Merrifield
HYDROLOGY...McD

In the hours before

Special weather statement, Feb 9, 2:16 AM EST, 5 hours 56 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
116 AM CST Tue Feb 9 2021

ALZ068-FLZ007-009-090745-
Geneva AL-Holmes FL-North Walton FL-
116 AM CST Tue Feb 9 2021

...SPECIAL WEATHER STATEMENT...

At 116 AM CST, Doppler radar was tracking a strong thunderstorm over
Lockhart, or near Florala, moving east at 65 mph.

Half inch hail will be possible with this storm.

Locations impacted include...
Geneva, Samson, Paxton, Coffee Springs, Black, Chancellor, Gaskin,
Kellys Crossroads, Lytle, Darlington, Marl, Logan Field Municipal
A/P, Geneva Municipal A/P, Smith Crossroads, New Hope, Somerset,
Caney Creek, Gordon, Miller Crossroads and Earlytown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3099 8639 3099 8619 3113 8619 3120 8598
      3120 8577 3093 8571 3085 8639
TIME...MOT...LOC 0716Z 253DEG 57KT 3097 8637

11-MM
Special weather statement, Feb 9, 5:14 AM EST, 2 hours 58 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
414 AM CST Tue Feb 9 2021

ALZ068-069-091045-
Geneva AL-Houston AL-
414 AM CST Tue Feb 9 2021

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN GENEVA AND HOUSTON
COUNTIES UNTIL 445 AM CST...

At 414 AM CST, Doppler radar was tracking a strong thunderstorm over
Slocomb, or 10 miles north of Graceville, moving east at 55 mph.

Penny size hail will be possible with this storm.

Locations impacted include...
Cottonwood, Dothan, Hartford, Taylor, Ashford, Slocomb, Cowarts,
Webb, Columbia, Kinsey, Malvern, Rehobeth, Avon, Madrid, Gordon,
Memphis, Pansey, Crosby, Garretts Crossroads and Sigma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3131 8529 3131 8509 3129 8510 3128 8511
      3123 8510 3119 8511 3117 8510 3115 8507
      3112 8506 3111 8503 3104 8501 3100 8544
      3100 8571 3114 8577
TIME...MOT...LOC 1014Z 253DEG 49KT 3110 8556

11-MM
Special weather statement, Feb 9, 6:46 AM EST, 1 hour 26 minutes before
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Special weather statement, Feb 9, 7:31 AM EST, 41 minutes before
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Special weather statement, Feb 9, 8:12 AM EST, 0 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
812 AM EST Tue Feb 9 2021

ALZ069-FLZ011-GAZ142>144-155-156-091400-
Houston AL-Jackson FL-Miller GA-Decatur GA-Baker GA-Seminole GA-
Early GA-
812 AM EST Tue Feb 9 2021

...SPECIAL WEATHER STATEMENT...

At 811 AM EST/711 AM CST/, Doppler radar was tracking a strong
thunderstorm 10 miles southeast of Cottonwood, moving east at 35 mph.

Half inch hail and winds of 30 to 40 mph are be possible with this
storm.

Locations impacted include...
Colquitt, Bainbridge, Donalsonville, West Bainbridge, Malone,
Greenwood, Iron City, Brinson, Jakin, Bascom, Hanover, Ausmac,
Babcock, Reynoldsville, Crosby, Grangeburg, Little Hope, Decatur Co
A/P, Lovedale and Boykin.

LAT...LON 3084 8534 3102 8532 3129 8454 3104 8452
      3082 8458
TIME...MOT...LOC 1311Z 263DEG 32KT 3093 8521

21-WD

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 9, 6:46 AM ESTSpecial Weather StatementTAEHolmes, Walton44 min
Feb 9, 7:31 AM ESTSpecial Weather StatementTAEHolmes, Jackson, Walton, Washington44 min
Feb 9, 7:43 AM ESTSpecial Marine WarningTAE2 hr
Feb 9, 8:28 AM ESTSevere Thunderstorm WarningTAEJackson47 min
Feb 9, 9:17 AM ESTSpecial Weather StatementTAEBay, Calhoun43 min
Feb 9, 9:41 AM ESTSpecial Marine WarningTAE2 hr
Feb 9, 10:01 AM ESTSpecial Weather StatementTAELiberty44 min
Feb 9, 10:25 AM ESTSpecial Weather StatementTAEGadsden50 min
Feb 9, 10:43 AM ESTSpecial Weather StatementTAELeon, Liberty, Wakulla62 min
Feb 9, 3:21 PM ESTMarine Dense Fog AdvisoryTAE3 days
Feb 9, 6:21 PM ESTDense Fog AdvisoryTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more17 hr
Feb 9, 8:35 AM ESTSpecial Weather StatementTAEBerrien, Irwin, Tift40 min
Feb 9, 9:10 AM ESTSpecial Weather StatementTAEDecatur, Grady50 min
Feb 9, 2:16 AM ESTSpecial Weather StatementTAEGeneva29 min
Feb 9, 5:14 AM ESTSpecial Weather StatementTAEHouston31 min

Nearby

Special Weather Statements in Georgia, 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.