Special Weather Statement, NWS Tallahassee, FL

Area Forecast Discussion
National Weather Service Tallahassee FL
547 AM EDT Mon Apr 20 2020

.NEAR TERM [Today]...

The cold front continues to push through our area with rain still
impacting the region in a SW to NE line south and east of
Tallahassee. Temps are back in the 50s/60s behind it with skies
clearing in western AL. Ahead of the front, we are still prime for
severe weather with surface CAPE over 3000 J/KG, low level shear
around 40 knots with bulk shear of 60-70 knots. We are still seeing
widespread wind damage within the line. The counties along and east
of the line are still in a Tornado Watch and damaging winds are
still possible.

.SHORT TERM [Tonight through Wednesday Night]...

Dry weather returns tonight with a drying northwest flow and
clearing skies. Lows will be in the mid to upper 50s. Northwest
flow aloft continues through Wednesday with mid level ridging
building north from the Gulf. The next system starts to take shape
Wednesday as an upper low moves through TX with a surface low
developing underneath and moving east. The first chance of rain we
will see with this is late Wednesday night. Highs will be in the
lower 80s Tue and Wed with lows rising from the mid 50s to lower
60s Wed night.

.LONG TERM [Thursday Through Monday]...

A warm front will pass through Thursday morning followed by a cold
front Thursday night as the upper low moves through. Widespread rain
and scattered thunderstorms will accompany this although the severe
threat looks marginal at this time. This will have to continue to be
monitored but right now instability looks limited. Things clear
out again Friday before another low pressure system moves across
the region on Saturday.

&&

.AVIATION...
[Through 06Z Tuesday]

Winds will diminish quickly behind the front with some MVFR and
IFR CIGS moving into SE AL but they should clear out before
reaching the other TAF sites. Winds remain around 10-15kts today
before diminishing to less than 10 knots overnight with clear
skies.

&&

.MARINE...

A line of strong to severe storms is still moving through our
waters with a Small Craft Advisory remaining in effect. Winds will
quickly diminish this afternoon and evening to 10 knots or less
overnight. Winds and seas increase again on Thursday as another
frontal system impacts the region.

&&

.FIRE WEATHER...

Heavy rain is still moving through part of the region but will
clear out quickly by this afternoon. As a result, skies will
quickly clear with rising mixing heights. That combined with high
transport winds will lead to high dispersions both today and
Tuesday. RH values will be quickly dropping today and be in the
30% range on Tuesday. No fog is expected.

&&

.HYDROLOGY...

The front has moved off to the south east of the GA counties so
the Flood Watch was cancelled. River Flood Warnings have been
issued for Kinchafoonee Creek at Preston and Dawson. Multiple
sites along the Flint River are also going to be rising and be at
flood stage by Saturday so no warnings were issued. Apalachicola
River at Blountstown is also rising into Flood by Wednesday and no
warnings were issued just yet. Additional rainfall is expected on
Thursday so updates will be coming later today.

&&

.SPOTTER INFORMATION STATEMENT...

Spotter activation is requested. Spotters should safely report
significant weather conditions and/or damage (while following all
local, state, and CDC guidelines) by calling the office or tweeting
us @NWSTallahassee.

&&

.PRELIMINARY POINT TEMPS/POPS...

Tallahassee   84  58  85  57  84 /  20   0   0   0   0
Panama City   78  62  81  61  81 /  10   0   0   0   0
Dothan        76  54  81  54  80 /  10   0   0   0   0
Albany        76  55  81  54  79 /  10   0   0   0   0
Valdosta      80  59  82  56  82 /  40   0   0   0   0
Cross City    81  60  83  58  84 /  60   0   0   0   0
Apalachicola  79  62  79  62  77 /  20   0   0   0   0

&&

.TAE WATCHES/WARNINGS/ADVISORIES...
FL...High Rip Current Risk through Tuesday morning for Coastal Bay-
     Coastal Franklin-Coastal Gulf-South Walton.

GA...None.
AL...None.
GM...Small Craft Advisory until 2 PM EDT /1 PM CDT/ this afternoon
     for Apalachee Bay or Coastal Waters From Keaton Beach to
     Ochlockonee River FL out to 20 Nm-Coastal Waters From
     Ochlockonee River to Apalachicola Fl out to 20 Nm-Coastal
     waters from Suwannee River to Keaton Beach FL out 20 NM-
     Coastal waters from Mexico Beach to Apalachicola FL out 20
     NM-Coastal waters from Mexico Beach to Okaloosa Walton
     County Line FL out 20 NM-Waters from Suwannee River to
     Apalachicola FL from 20 to 60 NM-Waters from Apalachicola
     to Mexico Beach FL from 20 to 60 NM-Waters from Mexico
     Beach to Okaloosa Walton County Line FL from 20 to 60 NM.

&&

NEAR TERM...LN
SHORT TERM...LN
LONG TERM...LN
AVIATION...LN
MARINE...LN
FIRE WEATHER...LN
HYDROLOGY...LN

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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
540 AM EDT MON APR 20 2020

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

0523 AM     TSTM WND GST     5 SW SAINT GEORGE ISLAN 29.62N 84.93W
04/20/2020  M45 MPH          GMZ755             FL   MESONET

            MESONET STATION CW8103 ON ST. GEORGE ISLAND
            MEASURED A GUST TO 45 MPH.

&&

DH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
547 AM EDT MON APR 20 2020

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

0445 AM     TSTM WND DMG     PORT SAINT JOE          29.80N 85.30W
04/20/2020                   GULF               FL   911 CALL CENTER

            REPORT OF A TREE ON A POWER LINE NEAR 13TH
            AND MONUMENT AVE.

&&

Special Weather Statement
National Weather Service Tallahassee FL
549 AM EDT Mon Apr 20 2020

FLZ019-028-029-201015-
Inland Taylor FL-Madison FL-Lafayette FL-
549 AM EDT Mon Apr 20 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN LAFAYETTE AND
SOUTHEASTERN MADISON COUNTIES UNTIL 615 AM EDT...

At 549 AM EDT, Doppler radar was tracking a strong thunderstorm near
Dowling Park, or 12 miles northwest of Mayo, moving east at 55 mph.

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

Locations impacted include...
Mayo, Townsend, Chancey, Buckville, Day, Alton and Mayo Junction.

A Tornado Watch remains in effect until 700 AM EDT for Big Bend of
Florida.

LAT...LON 3006 8340 3033 8337 3033 8321 3026 8324
      3025 8325 3025 8324 3024 8325 3023 8324
      3018 8325 3017 8323 3011 8323 3010 8318
      3011 8316 3010 8313 3010 8312 3009 8311
      3008 8307 3007 8307 3006 8305 3005 8304
TIME...MOT...LOC 0949Z 270DEG 49KT 3019 8332

72-BUNKER