Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Tallahassee, FL
NWS Tallahassee, FL issued this special weather statement at Jun 12, 2021, 12:44 PM CDT for Walton County, Florida. It was in force for 31 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, 12:44 PM CDT (17:44 UTC)
- Expired
- Jun 12, 2021, 1:15 PM CDT
- In force
- 31 min
- Issued by
- NWS Tallahassee, FL
County Walton County, FL
The radar
The Eglin Afb radar (KEVX), 35 km from the middle of the area, began a volume at 17:43 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, 5.7 hours before the alert went out and 185 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.
- 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
The text
As transmitted.
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</html>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, 12:37 PM CDT, 7 minutes earlier.
Area forecast discussion, Jun 12, 12:37 PM CDT, 7 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...DVDIn the hours before
Local storm report, Jun 12, 12:11 PM CDT, 33 minutes before
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</html>Special weather statement, Jun 12, 12:31 PM CDT, 13 minutes before
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</html>Special weather statement, Jun 12, 12:44 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 10:28 AM CDT | Special Weather Statement | TAE | Bay | 32 min |
| Jun 12, 11:01 AM CDT | Special Weather Statement | TAE | Bay | 29 min |
| Jun 12, 11:05 AM CDT | Special Weather Statement | TAE | Lafayette | 25 min |
| Jun 12, 11:07 AM CDT | Special Weather Statement | TAE | Taylor | 38 min |
| Jun 12, 11:20 AM CDT | Special Weather Statement | TAE | Calhoun | 40 min |
| Jun 12, 11:30 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 12, 11:42 AM CDT | Special Weather Statement | TAE | Lafayette | 33 min |
| Jun 12, 12:00 PM CDT | Special Weather Statement | TAE | Liberty | 30 min |
| Jun 12, 12:05 PM CDT | Special Weather Statement | TAE | Leon | 25 min |
| Jun 12, 12:16 PM CDT | Special Weather Statement | TAE | Lafayette | 29 min |
| Jun 12, 12:31 PM CDT | Special Weather Statement | TAE | Wakulla | 44 min |
| Jun 12, 12:45 PM CDT | Special Marine Warning | TAE | 45 min | |
| Jun 12, 1:12 PM CDT | Special Weather Statement | TAE | Jefferson, Wakulla | 33 min |
| Jun 12, 1:21 PM CDT | Special Weather Statement | TAE | Washington | 24 min |
| Jun 12, 1:27 PM CDT | Special Marine Warning | TAE | 63 min | |
| Jun 12, 1:45 PM CDT | Special Weather Statement | TAE | Bay | 45 min |
| Jun 12, 1:48 PM CDT | Special Weather Statement | TAE | Lafayette | 42 min |
| Jun 12, 2:10 PM CDT | Special Weather Statement | TAE | Jackson | 65 min |
| Jun 12, 2:18 PM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Jackson | 42 min |
| Jun 12, 2:25 PM CDT | Special Weather Statement | TAE | Bay | 50 min |
| Jun 12, 2:38 PM CDT | Special Weather Statement | TAE | Gadsden, Leon | 52 min |
| Jun 12, 2:50 PM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon, Liberty, Wakulla | 40 min |
| Jun 12, 2:59 PM CDT | Severe Thunderstorm Warning | TAE | Calhoun, Gadsden, Jackson, Liberty | 31 min |
| Jun 12, 3:14 PM CDT | Special Weather Statement | TAE | Calhoun, Liberty | 61 min |
| Jun 12, 3:30 PM CDT | Special Weather Statement | TAE | Gadsden | 45 min |
| Jun 12, 3:39 PM CDT | Special Weather Statement | TAE | Franklin | 51 min |
| Jun 12, 4:16 PM CDT | Special Marine Warning | TAE | 79 min | |
| Jun 12, 4:35 PM CDT | Special Weather Statement | TAE | Franklin | 25 min |
| Jun 12, 4:55 PM CDT | Special Weather Statement | TAE | Holmes, Washington | 50 min |
| Jun 12, 5:05 PM CDT | Severe Thunderstorm Warning | TAE | Holmes | 40 min |
| Jun 12, 5:46 PM CDT | Special Weather Statement | TAE | Holmes, Washington | 44 min |
| Jun 12, 6:19 PM CDT | Special Marine Warning | TAE | 86 min | |
| Jun 12, 6:28 PM CDT | Special Weather Statement | TAE | Bay, Walton, Washington | 47 min |
| Jun 12, 8:06 AM CDT | Special Weather Statement | TAE | Quitman | 24 min |
| Jun 12, 12:59 PM CDT | Special Weather Statement | TAE | Early | 31 min |
| Jun 12, 1:31 PM CDT | Special Weather Statement | TAE | Early, Miller, Seminole | 44 min |
| Jun 12, 1:36 PM CDT | Special Weather Statement | TAE | Lanier, Lowndes | 39 min |
| Jun 12, 5:09 PM CDT | Special Weather Statement | TAE | Ben Hill | 51 min |
| Jun 12, 5:19 PM CDT | Special Weather Statement | TAE | Ben Hill, Calhoun, Dougherty, Irwin, Lee, Randolph and 3 more | 56 min |
| Jun 12, 5:21 PM CDT | Severe Thunderstorm Warning | TAE | Ben Hill, Irwin | 24 min |
| Jun 12, 5:50 PM CDT | Severe Thunderstorm Warning | TAE | Ben Hill, Berrien, Colquitt, Irwin, Lee, Tift and 2 more | 40 min |
| Jun 12, 6:13 PM CDT | Severe Thunderstorm Warning | TAE | Berrien, Colquitt, Cook, Lanier, Tift, Worth | 62 min |
| Jun 11, 7:19 PM CDT | Special Weather Statement | TAE | Henry | 41 min |
| Jun 12, 12:35 PM CDT | Special Weather Statement | TAE | Dale, Houston | 25 min |
| Jun 12, 3:55 PM CDT | Special Weather Statement | TAE | Coffee, Dale | 50 min |
| Jun 12, 4:46 PM CDT | Special Weather Statement | TAE | Coffee, Dale, Geneva | 59 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.