Alert archive / Alabama / Special Weather Statements in 2017

Special Weather Statement, NWS Tallahassee, FL

August 31, 2017Houston County, Alabama

NWS Tallahassee, FL issued this special weather statement at Aug 31, 2017, 10:40 AM CDT for Houston County, Alabama. It was in force for 35 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
Aug 31, 2017, 10:40 AM CDT (15:40 UTC)
Expired
Aug 31, 2017, 11:15 AM CDT
In force
35 min
Issued by
NWS Tallahassee, FL

County Houston County, AL

The radar

The Ft Rucker radar (KEOX), 44 km from the middle of the area, began a volume at 15:42 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, 3.7 hours before the alert went out and 118 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 2017-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1781 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 2017-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.193958Sfc1 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
1781 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.0

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 Aug 31, 8:49 AM CDT, 1 hour 51 minutes earlier.

Area forecast discussion, Aug 31, 8:49 AM CDT, 1 hour 51 minutes before
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In the hours before

Local storm report, Aug 31, 8:01 AM CDT, 2 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE TALLAHASSEE FL
901 AM EDT THU AUG 31 2017

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

0440 PM     TSTM WND DMG     MT PLEASANT             30.66N 84.69W
08/30/2017                   GADSDEN            FL   911 CALL CENTER

            1 TREE DOWN.

&&

DVD
Special weather statement, Aug 31, 8:08 AM CDT, 2 hours 32 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
808 AM CDT THU AUG 31 2017

ALZ065-068-311400-
Coffee AL-Geneva AL-
808 AM CDT THU AUG 31 2017

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN COFFEE AND NORTHWESTERN
GENEVA COUNTIES UNTIL 900 AM CDT...

At 808 AM CDT, National Weather Service doppler radar indicated a
strong thunderstorms along a line extending from 6 miles southeast of
Brantley to near Lockhart. Movement was northeast at 45 mph.

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

Locations impacted include...
Elba, Lee, Kinston, Pine Level, Perry Store, Curtis, Carl Folsom A/p,
Ino, Lowry Mill, Camp Humming Hills, Wise Mill, Basin, Arcus,
Woodland Grove Church, Jack, Alberton, Chestnut Grove, Danleys
Crossroads, Rhoades and Wilkinstown.

LAT...LON 3153 8619 3154 8614 3162 8615 3162 8590
      3122 8602 3111 8619
TIME...MOT...LOC 1308Z 213DEG 38KT 3150 8621 3103 8638

11-MOORE
Special weather statement, Aug 31, 8:37 AM CDT, 2 hours 3 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
837 AM CDT THU AUG 31 2017

ALZ065-066-311430-
Dale AL-Coffee AL-
837 AM CDT THU AUG 31 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN DALE AND NORTHEASTERN
COFFEE COUNTIES UNTIL 930 AM CDT...

At 837 AM CDT, National Weather Service doppler radar indicated a
strong thunderstorm 9 miles north of New Brockton, or 9 miles
northeast of Elba, moving east at 35 mph.

Wind gusts of 50 to 55 mph will be possible with this storm.

Locations impacted include...
Fort Rucker, New Brockton, Ariton, Mixons Crossroads, Dill, Lowry
Mill, Camp Humming Hills, Arguta, Wise Mill, Roeton, Marley Hill,
Clowers Crossroads, Phillips Crossroads, Arcus, Hwy 231 Pea River
Bridge, Woodland Grove Church, Jack, Java, Chestnut Grove and
Richburg.

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 3162 8549 3154 8547 3138 8601 3162 8610
TIME...MOT...LOC 1337Z 250DEG 31KT 3152 8596

11-MOORE
Local storm report, Aug 31, 9:55 AM CDT, 45 minutes before
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Special weather statement, Aug 31, 10:29 AM CDT, 11 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
1129 AM EDT THU AUG 31 2017

GAZ121>123-142-311615-
Randolph GA-Calhoun GA-Clay GA-Early GA-
1129 AM EDT THU AUG 31 2017

...SIGNIFICANT WEATHER ADVISORY FOR CLAY...WESTERN RANDOLPH...WESTERN
CALHOUN AND NORTHWESTERN EARLY COUNTIES IN SOUTHWESTERN GEORGIA UNTIL
1215 PM EDT...

At 1129 AM EDT, National Weather Service doppler radar indicated a
strong thunderstorms along a line extending from 6 miles north of
Fort Gaines to near Columbia. Movement was northeast at 35 mph.

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

Locations impacted include...
Fort Gaines, Cuthbert, Blakely, Edison, Columbia, Bellville,
Bluffton, Walter F. George Lock And Dam, Parksville, Carnegie, Watson
Crossroads, Pecan, Randolph Co A/p, Rock Hill, Early Co A/p, Jones
Crossing, Bethel, Benevolence, Suttons Corner and Springvale.

LAT...LON 3192 8472 3131 8475 3124 8510 3128 8511
      3130 8509 3137 8509 3154 8504 3163 8507
      3173 8506 3178 8500 3178 8491 3185 8491
      3192 8483
TIME...MOT...LOC 1529Z 219DEG 30KT 3172 8502 3133 8508

42-DVD
Special weather statement, Aug 31, 10:40 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
1040 AM CDT THU AUG 31 2017

ALZ069-311615-
Houston AL-
1040 AM CDT THU AUG 31 2017

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN HOUSTON COUNTY UNTIL 1115
AM CDT...

At 1040 AM CDT, National Weather Service doppler radar indicated a
strong thunderstorm near Cottonwood, moving northeast at 35 mph.

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

Locations impacted include...
Cottonwood, Ashford, Cowarts, Webb, Columbia, Avon, Gordon, Pansey,
Grangeburg, Sigma, Pearce, Enon, Lovetown, Sealy Springs, Barber,
Keytons, Hodgesville, Farley Nuclear Plant and Wilson Mill.

LAT...LON 3131 8509 3128 8510 3128 8511 3126 8511
      3124 8510 3119 8511 3117 8510 3114 8506
      3112 8506 3111 8504 3108 8506 3100 8524
      3100 8527 3109 8540 3131 8522
TIME...MOT...LOC 1540Z 219DEG 30KT 3111 8527

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 7:28 PM CDTSpecial Weather StatementTAEWalton47 min
Aug 30, 8:34 PM CDTSpecial Marine WarningTAE41 min
Aug 30, 9:32 PM CDTSpecial Weather StatementTAEWashington28 min
Aug 30, 9:33 PM CDTSpecial Marine WarningTAE57 min
Aug 30, 9:58 PM CDTSpecial Weather StatementTAEWashington47 min
Aug 30, 10:25 PM CDTSpecial Weather StatementTAEWashington50 min
Aug 30, 11:38 PM CDTSpecial Weather StatementTAEBay52 min
Aug 31, 1:55 AM CDTSpecial Marine WarningTAE35 min
Aug 31, 2:18 AM CDTSpecial Weather StatementTAEWalton42 min
Aug 31, 7:14 AM CDTSpecial Weather StatementTAEHolmes46 min
Aug 31, 9:03 AM CDTSevere Thunderstorm WarningTAEHolmes, Walton21 min
Aug 31, 9:45 AM CDTSpecial Marine WarningTAE30 min
Aug 31, 10:11 AM CDTSpecial Marine WarningTAE49 min
Aug 31, 10:54 AM CDTSpecial Weather StatementTAEWalton36 min
Aug 31, 11:22 AM CDTSpecial Weather StatementTAELeon23 min
Aug 31, 2:09 PM CDTSpecial Weather StatementTAELeon36 min
Aug 31, 2:16 PM CDTSpecial Weather StatementTAEWalton29 min
Aug 31, 2:46 PM CDTSpecial Weather StatementTAEWashington29 min
Aug 31, 3:11 PM CDTSpecial Weather StatementTAELeon19 min
Aug 31, 3:12 PM CDTSpecial Weather StatementTAEHolmes33 min
Aug 31, 3:13 PM CDTSpecial Weather StatementTAEJackson32 min
Aug 31, 3:26 PM CDTSevere Thunderstorm WarningTAEJackson27 min
Aug 31, 3:48 PM CDTSpecial Marine WarningTAE57 min
Aug 31, 4:23 PM CDTSpecial Weather StatementTAELiberty22 min
Aug 31, 4:40 PM CDTSpecial Weather StatementTAELiberty35 min
Aug 31, 4:42 PM CDTSpecial Marine WarningTAE2 hr
Aug 31, 4:51 PM CDTSpecial Weather StatementTAEGadsden24 min
Aug 31, 5:30 PM CDTSpecial Weather StatementTAELeon30 min
Aug 31, 5:35 PM CDTSpecial Marine WarningTAE55 min
Aug 31, 5:42 PM CDTSpecial Weather StatementTAEWakulla33 min
Aug 31, 5:43 PM CDTSpecial Weather StatementTAEGulf47 min
Aug 31, 5:59 PM CDTSpecial Weather StatementTAELeon31 min
Aug 31, 6:05 PM CDTSpecial Marine WarningTAE85 min
Aug 31, 6:26 PM CDTSpecial Weather StatementTAEWakulla34 min
Aug 31, 6:36 PM CDTSpecial Weather StatementTAEJefferson24 min
Aug 31, 10:29 AM CDTSpecial Weather StatementTAEClay, Early, Randolph46 min
Aug 31, 11:00 AM CDTSpecial Weather StatementTAETerrell30 min
Aug 31, 12:31 PM CDTSpecial Weather StatementTAEGrady29 min
Aug 31, 12:48 PM CDTSevere Thunderstorm WarningTAEThomas28 min
Aug 31, 1:33 PM CDTSpecial Weather StatementTAEBen Hill, Berrien, Colquitt, Irwin, Tift, Turner and 1 more42 min
Aug 31, 2:12 PM CDTSpecial Weather StatementTAEBen Hill, Berrien, Cook, Irwin33 min
Aug 31, 3:42 PM CDTSpecial Weather StatementTAEEarly33 min
Aug 31, 5:13 PM CDTSpecial Weather StatementTAEDecatur, Grady47 min
Aug 31, 5:16 PM CDTSevere Thunderstorm WarningTAEDecatur, Grady44 min
Aug 31, 6:03 PM CDTSpecial Weather StatementTAEThomas27 min
Aug 31, 6:18 PM CDTSevere Thunderstorm WarningTAEBrooks, Thomas36 min
Aug 30, 7:27 PM CDTSpecial Weather StatementTAECoffee, Dale, Geneva48 min
Aug 31, 3:38 AM CDTSpecial Weather StatementTAEGeneva52 min
Aug 31, 4:31 AM CDTSpecial Weather StatementTAEDale44 min
Aug 31, 4:34 AM CDTSpecial Weather StatementTAECoffee41 min
Aug 31, 5:21 AM CDTSpecial Weather StatementTAEDale39 min
Aug 31, 8:08 AM CDTSpecial Weather StatementTAECoffee52 min
Aug 31, 8:37 AM CDTSpecial Weather StatementTAECoffee53 min
Aug 31, 8:50 AM CDTSevere Thunderstorm WarningTAECoffee, Dale22 min
Aug 31, 9:37 AM CDTAreal Flood AdvisoryTAEDale53 min
Aug 31, 4:37 PM CDTSpecial Weather StatementTAEDale23 min
Aug 31, 4:58 PM CDTSpecial Weather StatementTAEDale32 min

Nearby

Special Weather Statements in Alabama, 2017Every special weather statement in 2017

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.