Alert archive / Florida / Flash Flood Watches in 2013

Flash Flood Watch 6, NWS Tallahassee, FL

July 14, 20137 counties in Florida; 5 counties in Alabama

NWS Tallahassee, FL issued this flash flood watch at Jul 14, 2013, 12:45 AM CDT for 7 counties in Florida; 5 counties in Alabama. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Jul 14, 2013, 12:45 AM CDT (05:45 UTC)
Expired
Jul 14, 2013, 1:55 PM CDT
In force
13 hr
Issued by
NWS Tallahassee, FL
Flood severity
None

Counties Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 45 km from the middle of the area, began a volume at 05:48 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 00:00Z, 5.8 hours before the alert went out and 132 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 00:00Z on 2013-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1366 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2013-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
1366 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
807 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jul 13, 8:38 PM CDT, 4 hours 7 minutes earlier.

Area forecast discussion, Jul 13, 8:38 PM CDT, 4 hours 7 minutes before
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In the hours before

Local storm report, Jul 13, 7:54 PM CDT, 4 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
854 PM EDT SAT JUL 13 2013

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

0850 PM     FLASH FLOOD      1 E WICKSBURG           31.21N 85.61W
07/13/2013                   HOUSTON            AL   911 CALL CENTER

            WATER OVER THE ROAD NEAR WICKSBURG.

&&

08-LAMERS
Special weather statement, Jul 13, 8:00 PM CDT, 4 hours 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
900 PM EDT SAT JUL 13 2013

ALZ065-140200-
COFFEE AL-
800 PM CDT SAT JUL 13 2013

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR COFFEE COUNTY IN
SOUTHEAST ALABAMA...

* UNTIL 900 PM CDT

AT 755 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG
THUNDERSTORM 8 MILES NORTHEAST OF NEW BROCKTON...OR NEAR
TABERNACLE...MOVING WEST AT 20 MPH.

PEOPLE IN CENTRAL COFFEE COUNTY...INCLUDING THE CITY OF ELBA...SHOULD
MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS
AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER
THREATEN.

WINDS 50 TO 55 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM IS CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS WHICH MAY
REDUCE VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS.

LAT...LON 3131 8615 3152 8618 3155 8581 3135 8580
TIME...MOT...LOC 0100Z 084DEG 16KT 3146 8585

17-GOULD
Local storm report, Jul 13, 8:21 PM CDT, 4 hours 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
921 PM EDT SAT JUL 13 2013

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

0919 PM     FLASH FLOOD      3 S PINCKARD            31.26N 85.54W
07/13/2013                   DALE               AL   911 CALL CENTER

            COUNTY ROAD 560 CLOSED - UNDER WATER AT A BRIDGE NEAR
            SOAPSTONE BRANCH / CREEK...SOUTH OF PINCKARD.

&&

08-LAMERS
Local storm report, Jul 13, 9:15 PM CDT, 3 hours 30 minutes before
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Local storm report, Jul 13, 9:31 PM CDT, 3 hours 14 minutes before
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Local storm report, Jul 13, 11:15 PM CDT, 1 hour 30 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 7:52 PM CDTAreal Flood WarningTAEJackson3 hr
Jul 13, 8:35 PM CDTFlash Flood WarningTAEHolmes3 hr
Jul 14, 5:18 AM CDTSpecial Marine WarningTAE57 min
Jul 14, 6:23 AM CDTRiver Flood WarningTAECalhoun, Franklin, Gulf, Liberty28 hr
Jul 14, 11:16 AM CDTSpecial Marine WarningTAE59 min
Jul 14, 1:13 PM CDTSpecial Weather StatementTAEWashington32 min
Jul 14, 2:41 PM CDTFlash Flood WarningTAEWashington4 hr
Jul 14, 4:00 PM CDTAreal Flood AdvisoryTAETaylor2 hr
Jul 14, 5:11 PM CDTFlash Flood WarningTAETaylor3 hr
Jul 14, 5:17 PM CDTAreal Flood AdvisoryTAEDixie, Lafayette118 min
Jul 13, 7:07 PM CDTAreal Flood WarningTAECoffee, Dale, Houston3 hr
Jul 13, 7:42 PM CDTFlash Flood WarningTAEDale, Houston3 hr
Jul 13, 8:00 PM CDTSpecial Weather StatementTAECoffee60 min
Jul 14, 4:37 PM CDTSpecial Weather StatementTAEHenry23 min

Nearby

Flash Flood Watches in Florida, 2013Flash Flood Watches in Alabama, 2013Every flash flood watch in 2013

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.