Special Weather Statement, NWS Tallahassee, FL

Area Forecast Discussion
National Weather Service Tallahassee FL
704 AM EDT Tue Jun 22 2021

.AVIATION...
[Through 12Z Wednesday]

As the line of showers and storms progresses across the area over
the next few hours brief periods of MVFR/IFR are possible within
the heaviest rainfall as thunderstorms pass over terminals. Pop up
thunderstorms are possible this afternoon at ECP, DHN and ABY. Showers
and storms are expect to be decrease by sunset with precip ending
first at the westernmost terminals with eastern terminals
following shortly afterwards. Winds could be gusty at times within
thunderstorms.

&&

.PREV DISCUSSION [354 AM EDT]...

.NEAR TERM [Through Tonight]...

As a front continues to make its way southeast across central CONUS
we'll continue to have convective activity ahead of the front
through this evening. The main line of showers and storms currently
making their way through the FL Panhandle is expected to be at the
eastern edge of our CWA by sunset as the frontal feature slows down
and reorients itself from west to east just north of our CWA. The
line is currently in the best environmental set up with MLCAPE over
2000 J/kg and with 0-3km helicity between 150-250 m2/s2. However,
instability is expected to decrease as the line progresses eastward
and the linear structure of the system is expected to gradually
weaken after the line crosses Tallahassee. After a wet few days, we
can expect another 1-2 inches from todays' storms with isolated 2-3
inches possible. Heavy downpours on top of recent rains will cause
concern for potential flash flooding with some riverine flooding
also possible thereafter. Expect daytime highs in the low to mid 80s
with overnight lows in the low 70s.

.SHORT TERM [Wednesday Through Thursday]...

Upper level trough remains situated across the eastern U.S. on
Wednesday. The front that will affect the region today will
remain stretched across the CWA on Wednesday and continue to
provide a focus for enhanced convection on Wednesday. This
boundary does appear to linger in the region on Thursday, helping
to keep PoPs above normal through the short term. The main hazard
in the short term will be the continued risk of flash flooding
with high rainfall rates and multiple days/rounds of showers and
thunderstorms. In addition, instability does increase for
Wednesday and Thursday and a few strong storms with gusty winds
will be possible.

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

Upper level trough over the eastern CONUS is squeezed as ridging
builds in from the west. As this occurs, a piece breaks off with an
upper level low moving south and west across the Gulf of Mexico
through the weekend. Southeasterly flow at the surface will prevail
through the long term and we will see a general summertime pattern
with our great thunderstorm chances in the afternoon and evening.
Highs will be in the upper 80s to low 90s with lows in the lower
70s.

.MARINE...

A front will sink southward today and remain near the area over the
next few days. This will help to elevate shower and thunderstorm
chances across the region through Thursday. Elevated southerly winds
today will allow for a Small Craft Exercise Caution headline, but
winds fall below 15 knots for Wednesday through the rest of the work
week, outside of any thunderstorms.

.FIRE WEATHER...

A wet weather pattern will continue for the next several days,
limiting any fire weather concerns.

.HYDROLOGY...

Multiple rounds of rain have already moved through the
region. Along the coast in the Florida Panhandle and Big Bend,
widespread amounts of 2-3 inches fell in the past 24 hours with
isolated values of 5-6 inches. Additional rainfall is expected today
and tomorrow with another 2-4 inches possible and isolated areas of
5-7 inches.

The amounts over the past 24 hours have primed the region and with
additional rainfall expected, flash flooding will be possible,
particularly in the Florida Panhandle, Florida Big Bend, and the
southern portions of southwest Georgia. A Flash Flood Watch
remains in effect for this region. Outside of that area, the flash
flood threat is a little lower since they haven't seen the
rainfall amounts that locations further south have observed over
the past 24 hours.

.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   83  70  86  71  87 /  90  50  70  40  50
Panama City   84  74  85  74  86 /  90  50  70  30  50
Dothan        81  70  84  71  85 /  90  40  70  30  50
Albany        83  71  86  71  86 /  90  40  60  40  50
Valdosta      82  69  86  70  85 /  90  40  80  40  60
Cross City    84  72  86  71  86 /  90  40  70  40  60
Apalachicola  84  74  85  74  85 /  90  50  60  30  40

&&

.TAE WATCHES/WARNINGS/ADVISORIES...
FL...Flash Flood Watch through Thursday morning for Calhoun-Central
     Walton-Coastal Bay-Coastal Franklin-Coastal Gulf-Coastal
     Jefferson-Coastal Taylor-Coastal Wakulla-Gadsden-Holmes-
     Inland Bay-Inland Franklin-Inland Gulf-Inland Jefferson-
     Inland Taylor-Inland Wakulla-Jackson-Lafayette-Leon-Liberty-
     Madison-North Walton-South Walton-Washington.

     High Rip Current Risk through Wednesday evening for Coastal Bay-
     Coastal Franklin-Coastal Gulf-South Walton.

GA...Flash Flood Watch through Thursday morning for Brooks-Decatur-
     Grady-Lowndes-Seminole-Thomas.

AL...None.
GM...None.
&&

NEAR TERM...Oliver
SHORT TERM...Fieux
LONG TERM...Fieux
AVIATION...Oliver
MARINE...Fieux
FIRE WEATHER...Oliver
HYDROLOGY...Fieux

Special Weather Statement
National Weather Service Tallahassee FL
600 AM EDT Tue Jun 22 2021

FLZ012>014-026-112-114-221045-
Coastal Bay FL-Liberty FL-Inland Bay FL-Calhoun FL-Inland Gulf FL-
Coastal Gulf FL-
600 AM EDT Tue Jun 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GULF...SOUTHEASTERN
BAY...CALHOUN COUNTIES IN THE PANHANDLE OF FLORIDA AND NORTHWESTERN
LIBERTY COUNTIES IN BIG BEND OF FLORIDA UNTIL 645 AM EDT/545 AM
CDT/...

At 559 AM EDT/459 AM CDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 6 miles east of Blountstown
to 14 miles west of Tyndall Air Force Base. Movement was northeast at
50 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Panama City, Lynn Haven, Panama City Beach, Callaway, Blountstown,
Springfield, Mexico Beach, Hiland Park, Stonemill Creek, Tyndall Air
Force Base, Orange, Parker, Wewahitchka, Bristol, Honeyville,
Clarksville, Selman, Abe Springs, Allanton and Vilas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3057 8505 3036 8468 3033 8472 3032 8470
      3029 8473 3026 8473 2984 8543 3013 8591
TIME...MOT...LOC 0959Z 246DEG 44KT 3041 8495 2999 8578

Special Weather Statement
National Weather Service Tallahassee FL
619 AM EDT Tue Jun 22 2021

GAZ146>148-158>161-221115-
Berrien GA-Brooks GA-Lanier GA-Lowndes GA-Colquitt GA-Cook GA-
Thomas GA-
619 AM EDT Tue Jun 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR COOK...BERRIEN...LANIER...
LOWNDES...SOUTHEASTERN THOMAS...BROOKS AND EASTERN COLQUITT COUNTIES
UNTIL 715 AM EDT...

At 618 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Enigma to 7 miles east of Pavo to 8 miles
north of Monticello. Movement was east at 35 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Nashville, Adel, Valdosta, Lake Park, Lakeland, Quitman, Thomasville,
Hahira, Sparks, Boston, Enigma, Ray City, Lenox, Alapaha, Pavo, I-75
At Exit 16, Moody Air Force Base, Remerton, Meigs and Dasher.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3085 8301 3085 8309 3080 8310 3080 8313
      3063 8314 3067 8393 3069 8408 3096 8382
      3133 8353 3133 8346 3140 8337 3143 8337
      3146 8315 3140 8314 3133 8306 3128 8304
      3119 8305 3119 8298 3113 8297 3087 8297
TIME...MOT...LOC 1018Z 263DEG 31KT 3135 8337 3092 8362 3066 8391

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Special Weather Statement
National Weather Service Tallahassee FL
744 AM EDT Tue Jun 22 2021

FLZ017-027-221230-
Inland Wakulla FL-Leon FL-
744 AM EDT Tue Jun 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN WAKULLA AND SOUTHERN
LEON COUNTIES UNTIL 830 AM EDT...

At 744 AM EDT, Doppler radar was tracking a strong thunderstorm 12
miles northwest of Crawfordville, moving east at 30 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Woodville, Crawfordville, Tallahassee, Florida A And M, Doak Campbell
Stadium, Wakulla, Lake Bradford, Ralford Greenway, Newport, Brown
House, Leon Sinks, Gaither Community Center, Lake Munson, Wakulla
Springs, Eight Mile Pond, Chaires, Bethel, Tallahassee Regional A/P,
State Capital Complex and Governors Square Mall.

LAT...LON 3022 8458 3040 8455 3048 8404 3046 8404
      3044 8407 3019 8407
TIME...MOT...LOC 1144Z 266DEG 28KT 3030 8450

25-CAMP

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
815 AM EDT TUE JUN 22 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0754 AM     FLOOD            1 N CALLAWAY            30.15N 85.58W
06/22/2021                   BAY                FL   911 CALL CENTER

            BAY COUNTY DISPATCH REPORTS THAT STATE ROAD
            22 IS CLOSED BETWEEN NORTH KIMBEL AVE AND N
            BERTHE AVE NEAR CALLAWAY DUE TO STANDING
            WATER IN THE ROAD WAY. NO INJURIES OR
            FATALITIES WERE REPORTED.

&&

Special Weather Statement
National Weather Service Tallahassee FL
819 AM EDT Tue Jun 22 2021

FLZ017-018-221300-
Inland Jefferson FL-Leon FL-
819 AM EDT Tue Jun 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN JEFFERSON AND
SOUTHEASTERN LEON COUNTIES UNTIL 900 AM EDT...

At 819 AM EDT, Doppler radar was tracking a strong thunderstorm 10
miles east of Tallahassee, moving east at 40 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Monticello, Tallahassee, Alma, Ralford Greenway, Dills, Nash,
Miccosukee, Drifton, Casa Blanco, Chaires, Waukeenah, Pisgah Church,
Lake Miccosukee, Apalachee Regional Park, Chaires Crossroads, Festus,
Aucilla, Baum, Capps and Lois.

LAT...LON 3058 8362 3057 8362 3057 8364 3055 8364
      3055 8367 3054 8367 3054 8370 3052 8371
      3052 8373 3051 8374 3049 8373 3043 8372
      3041 8375 3036 8417 3057 8420 3066 8376
      3065 8362 3064 8360 3058 8360
TIME...MOT...LOC 1219Z 258DEG 36KT 3047 8410

25-CAMP