Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Tallahassee, FL

July 15, 2016Dale County, Alabama

NWS Tallahassee, FL issued this special weather statement at Jul 15, 2016, 6:07 PM CDT for Dale County, Alabama. It was in force for 23 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
Jul 15, 2016, 6:07 PM CDT (23:07 UTC)
Expired
Jul 15, 2016, 6:30 PM CDT
In force
23 min
Issued by
NWS Tallahassee, FL

County Dale County, AL

The radar

The Ft Rucker radar (KEOX), 25 km from the middle of the area, began a volume at 23:09 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, 11.1 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.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2016-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1143 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 2016-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
1143 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
30 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 Jul 15, 2:49 PM CDT, 3 hours 18 minutes earlier.

Area forecast discussion, Jul 15, 2:49 PM CDT, 3 hours 18 minutes before
Area Forecast Discussion
National Weather Service Tallahassee FL
349 PM EDT FRI JUL 15 2016

.NEAR TERM [Through Tonight]...

Convection this afternoon is spreading into Southern Georgia, with a
fair amount of storms still developing back near the coast in the
Florida Big bend. Should see fairly high coverage of storms this
afternoon so have increased PoPs through the evening to near 60
percent across the eastern half of the region. Expect showers and
thunderstorms to diminish between 10pm and 12am, much like last
night. Expect another round of offshore convection overnight as well
getting started perhaps around 3-4am. Patchy fog inland will be
possible tonight, especially at locations that received heavy
rainfall this afternoon/evening. Lows will continue to be on the
warm side, generally in the mid to upper 70s.

.SHORT TERM [Saturday Through Sunday Night]...

A weak upper level +PV anomaly over the Great Lakes will swing
eastward across the northeast through Sunday night. The associated
enhanced upper level divergence may help aid or sustain storm
development in our southeast Alabama and southwest Georgia counties.
Otherwise, the main forcing mechanisms for thunderstorms this
weekend will be the north Florida sea-breeze front, the Atlantic sea-
breeze front and outflow boundaries from collapsing storms. This
will make for another active couple of days with 40-50% chances for
storms across much of the area. Maximum temperatures will be in the
low to mid 90s, with maximum apparent temperatures around 100.
Minimum temperatures will dip to the low to mid 70s overnight.

.LONG TERM [Monday Through Friday]...

Broad upper level high pressure will build over much of the southern
CONUS next week with a few short waves swinging across the Great
Lakes and northeast throughout the week. Around the mid-week, some
of the models show one of these waves amplifying and digging into
the Appalachians. This will increase our chances for showers and
thunderstorms for Thursday and Friday. Highs will be in the mid 90s
and lows will be in the mid 70s.

&&

.AVIATION [Through 18Z Saturday]...

Scattered thunderstorms will continue moving north today,
affecting primarily the TLH/VLD/ABY terminals. Conditions may drop
to IFR levels at times in these storms. After 01z, expect storms
to diminish considerably. With all the storm activity near the
TLH/VLD/ABY terminals today, anticipate MVFR/IFR vsbys possible
before sunrise at these sites. Any restrictions should end by 13z
with VFR conditions expected thereafter.

&&

.MARINE...

Light winds and seas will prevail through at least mid next week.
Chances for showers and thunderstorms will be highest in the
late night and early morning hours.

&&

.FIRE WEATHER...

Hazardous fire weather conditions are not expected.

&&

.HYDROLOGY...

Widespread significant flooding is not expected for the next several
days. However, isolated flooding and quick rises on rapid response
(smaller basin) rivers may occur with localized heavy rainfall from
daily sea-breeze thunderstorms.

&&

.PRELIMINARY POINT TEMPS/POPS...

Tallahassee   76  92  73  93  75 /  20  30  10  40  20
Panama City   79  88  77  89  78 /  30  30  10  30  10
Dothan        74  90  73  93  74 /  20  50  20  30  20
Albany        74  93  74  94  75 /  30  40  30  40  20
Valdosta      75  94  74  94  74 /  20  40  20  40  20
Cross City    75  92  74  94  74 /  20  30  20  30  20
Apalachicola  79  90  77  91  76 /  30  30  20  30  20

&&

.TAE WATCHES/WARNINGS/ADVISORIES...

FL...None.
GA...None.
AL...None.
GM...None.

&&

NEAR TERM...Godsey
SHORT TERM...Moore
LONG TERM...Moore
AVIATION...Godsey
MARINE...Moore
FIRE WEATHER...DVD
HYDROLOGY...Moore

In the hours before

Special weather statement, Jul 15, 2:37 PM CDT, 3 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
337 PM EDT FRI JUL 15 2016

FLZ017-152000-
LEON FL-
337 PM EDT FRI JUL 15 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL LEON COUNTY UNTIL
400 PM EDT...

AT 337 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 10 MILES SOUTHWEST OF TALLAHASSEE COMM COLLEGE...
OR 11 MILES NORTHWEST OF CRAWFORDVILLE...MOVING EAST AT 25 MPH.

WINDS NEAR 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
TALLAHASSEE...INNOVATION PARK...TALLAHASSEE REGIONAL A/P...LAKE
BRADFORD...LEON SINKS...ANDREW...HELEN AND LAKE MUNSON.

LAT...LON 3041 8449 3043 8431 3030 8431 3030 8447
TIME...MOT...LOC 1937Z 255DEG 20KT 3032 8445

42-DVD
Local storm report, Jul 15, 2:42 PM CDT, 3 hours 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
342 PM EDT FRI JUL 15 2016

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

0215 PM     TSTM WND DMG     1 SW NICKLEVILLE        30.80N 84.35W
07/15/2016                   GRADY              GA   UTILITY COMPANY

            TREES AND LIMBS DOWN ON POWER LINES NEAR FARMERS BRANCH
            RD AS WELL AS OTHER SCATTERED AREAS IN DECATUR AND GRADY
            COUNTIES.

&&

MOORE
Special weather statement, Jul 15, 3:13 PM CDT, 2 hours 54 minutes before
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Local storm report, Jul 15, 5:02 PM CDT, 1 hour 5 minutes before
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Local storm report, Jul 15, 5:15 PM CDT, 52 minutes before
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Special weather statement, Jul 15, 6:07 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 7:02 PM CDTSpecial Weather StatementTAELiberty43 min
Jul 14, 7:31 PM CDTSpecial Weather StatementTAELiberty44 min
Jul 15, 6:38 AM CDTSpecial Marine WarningTAE67 min
Jul 15, 7:15 AM CDTSpecial Marine WarningTAE60 min
Jul 15, 7:29 AM CDTSpecial Marine WarningTAE61 min
Jul 15, 12:10 PM CDTSpecial Weather StatementTAEGulf50 min
Jul 15, 1:50 PM CDTSevere Thunderstorm WarningTAEGadsden, Leon16 min
Jul 15, 2:10 PM CDTSpecial Weather StatementTAEWakulla35 min
Jul 15, 2:37 PM CDTSpecial Weather StatementTAELeon23 min
Jul 15, 6:03 PM CDTSpecial Marine WarningTAE57 min
Jul 14, 7:35 PM CDTSpecial Weather StatementTAEMiller40 min
Jul 15, 12:12 PM CDTSpecial Weather StatementTAEBrooks33 min
Jul 15, 12:25 PM CDTSpecial Weather StatementTAELowndes35 min
Jul 15, 12:53 PM CDTSpecial Weather StatementTAEGrady52 min
Jul 15, 1:10 PM CDTSevere Thunderstorm WarningTAEDecatur, Grady35 min
Jul 15, 1:14 PM CDTSpecial Weather StatementTAEEarly46 min
Jul 15, 2:54 PM CDTSevere Thunderstorm WarningTAEWorth21 min
Jul 15, 3:13 PM CDTSpecial Weather StatementTAEBen Hill, Irwin32 min
Jul 15, 6:23 PM CDTSpecial Weather StatementTAEDale37 min

Nearby

Special Weather Statements in Alabama, 2016Every special weather statement in 2016

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.