Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

June 12, 2021Lafayette County, Florida

NWS Tallahassee, FL issued this special weather statement at Jun 12, 2021, 2:48 PM EDT for Lafayette County, Florida. It was in force for 42 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 12, 2021, 2:48 PM EDT (18:48 UTC)
Expired
Jun 12, 2021, 3:30 PM EDT
In force
42 min
Issued by
NWS Tallahassee, FL

County Lafayette County, FL

The radar

The Tallahassee radar (KTLH), 120 km from the middle of the area, began a volume at 18:51 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, 6.8 hours before the alert went out and 117 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 2021-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1723 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 2021-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.1939Sfc1 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
1723 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jun 12, 1:37 PM EDT, 1 hour 11 minutes earlier.

Area forecast discussion, Jun 12, 1:37 PM EDT, 1 hour 11 minutes before
Area Forecast Discussion
National Weather Service Tallahassee FL
137 PM EDT Sat Jun 12 2021

.AVIATION...
[Through 18Z Sunday]

Widespread showers and storms will affect most terminals through
the remainder of the afternoon bringing localized IFR conditions
at times and brief 30-40 knot wind gusts. Outside of these
thunderstorms, VFR conditions should prevail through the TAF
period. Best coverage for storms will be across KDHN/KVLD and
south though KABY does have a low end chance for storms later this
afternoon. Coverage of storms diminishes tonight with another
round expected again on Sunday.

&&

.PREV DISCUSSION [931 AM EDT]...

.NEAR TERM [Through Tonight]...

A fairly high coverage of showers and thunderstorms is expected from
late morning through this evening as an upper level disturbance
moves southeastward with northwest flow aloft. The airmass is
expected to be strongly unstable with SBCAPE near 3000 j/kg and
DCAPE values near 1000 j/kg. Localized enhancement of the mid-level
flow will aid in the potential for organized multicells to develop
with gusty winds, a few of which could be marginally severe. Highs
will generally be in the upper 80s to lower 90s with overnight lows
in the 70s.

.SHORT TERM [Sunday Through Monday]...

A few impulses embedded within the NW flow aloft will rotate
across the trough over the eastern CONUS through the short term
period. Surface high pressure to the south will keep winds mostly
westerly with PWs ranging from 1.8 to 2.0 inches. Showers and
thunderstorms are expected both Sunday and Monday, with higher
coverage expected on Sunday. Greater coverage is generally
expected over the eastern portions of the area where deeper
moisture resides. A combination of the seabreeze, leftover
boundaries from earlier convection, and showers and storms moving
into the area from the NW to N will all contribute to shower and
thunderstorm development during the afternoon and evening hours. A
bit of drier air could limit coverage somewhat on Monday. High
temperatures are forecast in the low to mid 90s with low
temperatures in the low to mid 70s.

.LONG TERM [Monday Night Through Saturday]...

The large scale pattern remains fairly steady through the long
term period with troughing over the eastern CONUS and westerly to
southwesterly surface winds over the area. A weak cold front is
forecast to approach the area before stalling just to the north
on Tuesday. While it's not likely the front will make it all the
way through our area, it could serve as a mechanism to initiate
some showers and thunderstorms along with the daily seabreeze each
afternoon. With the proximity of the front, slightly cooler and
drier air is expected in the wake of it with increased cloudiness
along and ahead of it, which in turn will keep forecast high
temperatures mostly in the mid 80s to low 90s across the area
through the week. Low temperatures are forecast in the low to mid
70s.

.MARINE...

West to southwest winds and seas near 1 to 3 feet are expected
through the period. Winds may reach caution criteria at times
today and tonight. Showers and thunderstorms will be possible
over the waters, with the greatest coverage expected this weekend.

.FIRE WEATHER...

There are no significant fire weather concerns expected for the next
several days.

.HYDROLOGY...

There are no widespread flooding concerns expected for the next
several days. However, with a fairly high coverage of showers and
thunderstorms expected through this weekend, localized pockets of
heavy rain are likely. We cannot rule out brief flooding in urban
and poor drainage areas with the heavier storms.

.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   74  94  71  93  72 /  60  70  30  40  20
Panama City   75  90  75  90  76 /  50  50  30  40  20
Dothan        72  91  72  91  72 /  60  50  20  40  10
Albany        73  92  71  94  73 /  60  50  20  40  20
Valdosta      71  91  70  91  71 /  60  70  30  40  20
Cross City    76  90  71  89  72 /  70  70  50  50  30
Apalachicola  76  89  75  87  76 /  50  50  40  30  30

&&

.TAE WATCHES/WARNINGS/ADVISORIES...
FL...High Rip Current Risk until midnight EDT /11 PM CDT/ tonight for
     Coastal Bay-Coastal Gulf-South Walton.

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

NEAR TERM...DVD
SHORT TERM...Merrifield
LONG TERM...Merrifield
AVIATION...Dobbs
MARINE...Merrifield
FIRE WEATHER...DVD
HYDROLOGY...DVD

In the hours before

Special weather statement, Jun 12, 2:12 PM EDT, 36 minutes before
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Special weather statement, Jun 12, 2:21 PM EDT, 27 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
221 PM EDT Sat Jun 12 2021

FLZ008-010-012-108-112-121845-
Coastal Bay FL-Central Walton FL-Inland Bay FL-South Walton FL-
Washington FL-
221 PM EDT Sat Jun 12 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BAY...SOUTHEASTERN
WALTON AND SOUTHWESTERN WASHINGTON COUNTIES UNTIL 245 PM EDT/145 PM
CDT/...

At 221 PM EDT/121 PM CDT/, Doppler radar was tracking a strong
thunderstorm 15 miles northwest of Panama City Beach, moving
southeast at 15 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Panama City Beach, Ebro, Bruce, West Bay, Pine Log, Seminole Hills,
Bunker, Laird, Gulf Resort Beach, Bahama Beach and Bid-a-Wee.

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 3053 8598 3041 8567 3018 8583 3030 8600
      3030 8601 3031 8601 3033 8603 3033 8605
      3035 8607 3037 8610
TIME...MOT...LOC 1821Z 301DEG 15KT 3041 8596
Special weather statement, Jun 12, 2:31 PM EDT, 17 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
231 PM EDT Sat Jun 12 2021

ALZ065>069-FLZ009-011-GAZ121-123-142>144-155-121915-
Coffee AL-Geneva AL-Houston AL-Dale AL-Henry AL-Holmes FL-Jackson FL-
Miller GA-Baker GA-Calhoun GA-Clay GA-Early GA-Seminole GA-
231 PM EDT Sat Jun 12 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN DALE...EASTERN GENEVA...
HOUSTON...SOUTHERN HENRY AND SOUTHEASTERN COFFEE COUNTIES IN
SOUTHEASTERN ALABAMA...NORTHERN JACKSON AND NORTHEASTERN HOLMES
COUNTIES IN THE PANHANDLE OF FLORIDA...SOUTHERN CLAY...SOUTHWESTERN
CALHOUN...NORTHERN SEMINOLE...EARLY...MILLER AND NORTHWESTERN BAKER
COUNTIES IN SOUTHWESTERN GEORGIA UNTIL 315 PM EDT/215 PM CDT/...

At 231 PM EDT/131 PM CDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 8 miles east of Fort Gaines
to Ashford to near Slocomb. Movement was southeast at 25 mph.

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

Locations impacted include...
Daleville, Colquitt, Cottonwood, Fort Gaines, Blakely, Graceville,
Headland, Dothan, Donalsonville, Marianna, Fort Rucker, Hartford,
Taylor, Midland City, Kinsey, Ashford, Level Plains, Slocomb, Cowarts
and Newton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3141 8445 3089 8487 3076 8536 3132 8594
      3134 8541 3165 8508
TIME...MOT...LOC 1831Z 313DEG 23KT 3158 8492 3119 8523 3111 8563
Special weather statement, Jun 12, 2:36 PM EDT, 12 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
236 PM EDT Sat Jun 12 2021

FLZ019-GAZ159>161-121915-
Madison FL-Brooks GA-Lanier GA-Lowndes GA-
236 PM EDT Sat Jun 12 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN MADISON...LANIER...
LOWNDES AND SOUTHEASTERN BROOKS COUNTIES UNTIL 315 PM EDT...

At 235 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Lakeland to near I-75 At Exit 16. Movement
was southeast at 30 mph.

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

Locations impacted include...
Lake Park, Lakeland, Valdosta, Moody Air Force Base, I-75 At Exit 16,
Remerton, Meigs, Dasher, Naylor, Courthouse, Greenwood, Barretts,
Twin Lakes, Hansell, Valdosta Regional Airport, Kinderlou, I-75 At
Exit 5, Clyattville, Blue Springs and I-75 At Exit 11.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3086 8300 3085 8301 3085 8309 3083 8309
      3083 8310 3080 8310 3080 8313 3063 8314
      3063 8329 3062 8327 3059 8326 3055 8326
      3052 8324 3049 8324 3078 8348 3113 8304
      3108 8297 3087 8297
TIME...MOT...LOC 1835Z 316DEG 26KT 3102 8303 3077 8335
Special weather statement, Jun 12, 2:45 PM EDT, 3 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
245 PM EDT Sat Jun 12 2021

FLZ012-112-121930-
Coastal Bay FL-Inland Bay FL-
245 PM EDT Sat Jun 12 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL BAY COUNTY UNTIL 330 PM
EDT/230 PM CDT/...

At 245 PM EDT/145 PM CDT/, Doppler radar was tracking a strong
thunderstorm 8 miles northeast of Panama City Beach, moving east at
20 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Panama City, Lynn Haven, Callaway, Springfield, Hiland Park, Parker,
Nixon, Bayhead, West Bay, Southport, Cedar Grove, Dirego Park, Bay
Harbor, Recota Beach, College Station, Bayou George, Camp Flowers,
Cairo, Brannonville and Millville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3043 8581 3033 8539 3031 8539 3007 8549
      3028 8590
TIME...MOT...LOC 1845Z 290DEG 18KT 3032 8578
Special weather statement, Jun 12, 2:48 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
248 PM EDT Sat Jun 12 2021

FLZ028-029-034-121930-
Inland Taylor FL-Inland Dixie FL-Lafayette FL-
248 PM EDT Sat Jun 12 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN LAFAYETTE...
NORTHEASTERN DIXIE AND EAST CENTRAL TAYLOR COUNTIES UNTIL 330 PM
EDT...

At 248 PM EDT, Doppler radar was tracking a strong thunderstorm 15
miles north of Steinhatchee, moving southeast at 25 mph.

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

Locations impacted include...
Cross City, Tennille, Cooks Hammock, Hines, Clara, Cross City
Airport, Salem and Carbur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 2984 8348 3000 8339 2985 8294 2961 8308
TIME...MOT...LOC 1848Z 297DEG 20KT 2989 8337

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 11:28 AM EDTSpecial Weather StatementTAEBay32 min
Jun 12, 12:01 PM EDTSpecial Weather StatementTAEBay29 min
Jun 12, 12:05 PM EDTSpecial Weather StatementTAELafayette25 min
Jun 12, 12:07 PM EDTSpecial Weather StatementTAETaylor38 min
Jun 12, 12:20 PM EDTSpecial Weather StatementTAECalhoun40 min
Jun 12, 12:30 PM EDTSpecial Marine WarningTAE2 hr
Jun 12, 12:42 PM EDTSpecial Weather StatementTAELafayette33 min
Jun 12, 1:00 PM EDTSpecial Weather StatementTAELiberty30 min
Jun 12, 1:05 PM EDTSpecial Weather StatementTAELeon25 min
Jun 12, 1:16 PM EDTSpecial Weather StatementTAELafayette29 min
Jun 12, 1:31 PM EDTSpecial Weather StatementTAEWakulla44 min
Jun 12, 1:44 PM EDTSpecial Weather StatementTAEWalton31 min
Jun 12, 1:45 PM EDTSpecial Marine WarningTAE45 min
Jun 12, 2:12 PM EDTSpecial Weather StatementTAEJefferson, Wakulla33 min
Jun 12, 2:21 PM EDTSpecial Weather StatementTAEWashington24 min
Jun 12, 2:27 PM EDTSpecial Marine WarningTAE63 min
Jun 12, 2:45 PM EDTSpecial Weather StatementTAEBay45 min
Jun 12, 3:10 PM EDTSpecial Weather StatementTAEJackson65 min
Jun 12, 3:18 PM EDTSevere Thunderstorm WarningTAEGadsden, Jackson42 min
Jun 12, 3:25 PM EDTSpecial Weather StatementTAEBay50 min
Jun 12, 3:38 PM EDTSpecial Weather StatementTAEGadsden, Leon52 min
Jun 12, 3:50 PM EDTSevere Thunderstorm WarningTAEGadsden, Leon, Liberty, Wakulla40 min
Jun 12, 3:59 PM EDTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson, Liberty31 min
Jun 12, 4:14 PM EDTSpecial Weather StatementTAECalhoun, Liberty61 min
Jun 12, 4:30 PM EDTSpecial Weather StatementTAEGadsden45 min
Jun 12, 4:39 PM EDTSpecial Weather StatementTAEFranklin51 min
Jun 12, 5:16 PM EDTSpecial Marine WarningTAE79 min
Jun 12, 5:35 PM EDTSpecial Weather StatementTAEFranklin25 min
Jun 12, 5:55 PM EDTSpecial Weather StatementTAEHolmes, Washington50 min
Jun 12, 6:05 PM EDTSevere Thunderstorm WarningTAEHolmes40 min
Jun 12, 6:46 PM EDTSpecial Weather StatementTAEHolmes, Washington44 min
Jun 12, 7:19 PM EDTSpecial Marine WarningTAE86 min
Jun 12, 7:28 PM EDTSpecial Weather StatementTAEBay, Walton, Washington47 min
Jun 12, 9:06 AM EDTSpecial Weather StatementTAEQuitman24 min
Jun 12, 1:59 PM EDTSpecial Weather StatementTAEEarly31 min
Jun 12, 2:31 PM EDTSpecial Weather StatementTAEEarly, Miller, Seminole44 min
Jun 12, 2:36 PM EDTSpecial Weather StatementTAELanier, Lowndes39 min
Jun 12, 6:09 PM EDTSpecial Weather StatementTAEBen Hill51 min
Jun 12, 6:19 PM EDTSpecial Weather StatementTAEBen Hill, Calhoun, Dougherty, Irwin, Lee, Randolph and 3 more56 min
Jun 12, 6:21 PM EDTSevere Thunderstorm WarningTAEBen Hill, Irwin24 min
Jun 12, 6:50 PM EDTSevere Thunderstorm WarningTAEBen Hill, Berrien, Colquitt, Irwin, Lee, Tift and 2 more40 min
Jun 12, 7:13 PM EDTSevere Thunderstorm WarningTAEBerrien, Colquitt, Cook, Lanier, Tift, Worth62 min
Jun 11, 8:19 PM EDTSpecial Weather StatementTAEHenry41 min
Jun 12, 1:35 PM EDTSpecial Weather StatementTAEDale, Houston25 min
Jun 12, 4:55 PM EDTSpecial Weather StatementTAECoffee, Dale50 min
Jun 12, 5:46 PM EDTSpecial Weather StatementTAECoffee, Dale, Geneva59 min

Nearby

Special Weather Statements in Florida, 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.