Alert archive / Florida / Flash Flood Warnings in 2012

Flash Flood Warning 21, NWS Tallahassee, FL

June 26, 2012Lafayette County, Taylor County, Florida

NWS Tallahassee, FL issued this flash flood warning at Jun 26, 2012, 1:18 AM EDT for Lafayette County, Taylor County, Florida. It was in force for 6 hr. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 26, 2012, 1:18 AM EDT (05:18 UTC)
Expired
Jun 26, 2012, 7:15 AM EDT
In force
6 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Lafayette County, FL, Taylor County, FL

What was reported inside it

TimeReportWhereRemark
Jun 26, 3:00 AM EDTFLASH FLOOD5 Ssw Mayo, FLPERSON FROM DEPARTMENT OF TRANSPORTATION REPORTED TO COUNTY DISPATCH THAT FLOODING WAS OCCURRING ACROSS HIGHWAY 51 SOUTH.
Jun 26, 3:00 AM EDTHEAVY RAIN 6.272 Ne Fenholloway, FL24 HOUR TOTAL OF 6.27 INCHES AT SITE FOLF1 AT U.S. HIGHWAY 27 AND CORNELL ROAD.
Jun 26, 3:00 AM EDTHEAVY RAIN 6.662 S Luraville, FL24 HOUR TOTAL OF 6.66 INCHES AT SITE LURF1 NEAR LURAVILLE.
Jun 26, 3:00 AM EDTHEAVY RAIN 7.371 Se Midway, FL24 HOUR TOTAL OF 7.37 INCHES AT THE MIDWAY TOWER NEAR COUNTY ROAD 354. SITE MDWF1.
Jun 26, 3:00 AM EDTHEAVY RAIN 7.89Cooks Hammock, FL24 HOUR TOTAL OF 7.89 INCHES AT SITE CKSF1.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 5.3 hours before the alert went out and 116 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 2012-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 164 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 00:00Z on 2012-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -101 square meters per square second.19395878Sfc1 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
164 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-101 m²/s²
0-3 km storm-relative helicity
-288 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

734 
WGUS52 KTAE 260518
FFWTAE
FLC067-123-261115-
/O.NEW.KTAE.FF.W.0021.120626T0518Z-120626T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
118 AM EDT TUE JUN 26 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAFAYETTE COUNTY IN FLORIDA...
  EASTERN TAYLOR COUNTY IN FLORIDA...

* UNTIL 715 AM EDT

* AT 115 AM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED FLASH    
  FLOODING OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TOWNSEND...
  MAYO JUNCTION...CHANCEY...SMITH...DAY AND BUCKVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE 
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS 
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DON'T DROWN.

&&

LAT...LON 2987 8287 2987 8352 3027 8348 3028 8347
      3026 8346 3026 8325 3012 8322 3010 8319
      3011 8312 3009 8307 2995 8292 2992 8292
      2989 8287

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 11:35 PM EDTRiver Flood WarningTAEJefferson, Madison, Taylor8 days
Jun 25, 11:41 PM EDTFlash Flood WarningTAEFranklin, Gulf, Liberty6 hr
Jun 26, 4:00 AM EDTAreal Flood WarningTAEJefferson, Leon, Madison, Taylor, Wakulla6 hr
Jun 26, 4:04 AM EDTHigh Surf AdvisoryTAEBay, Walton13 hr
Jun 26, 12:44 PM EDTRiver Flood WarningTAEDixie, Levy7 days
Jun 26, 12:48 PM EDTRiver Flood WarningTAEDixie, Levy7 days
Jun 26, 12:55 PM EDTAreal Flood WarningTAEFranklin, Jefferson, Liberty, Wakulla24 hr
Jun 26, 2:13 PM EDTAreal Flood WarningTAELafayette, Taylor3 hr
Jun 26, 3:01 PM EDTFlash Flood WarningTAELafayette119 min
Jun 26, 4:08 PM EDTFlash Flood WarningTAETaylor112 min
Jun 26, 4:50 PM EDTAreal Flood WarningTAELafayette, Taylor3 hr
Jun 26, 4:57 PM EDTFlash Flood WarningTAELafayette63 min
Jun 26, 5:07 PM EDTRip Current StatementTAEBay, Franklin, Gulf, Walton11 hr
Jun 26, 5:29 PM EDTSmall Craft AdvisoryTAE11 hr
Jun 26, 5:55 PM EDTFlash Flood WarningTAELafayette2 hr
Jun 26, 7:49 PM EDTAreal Flood WarningTAEDixie, Lafayette, Taylor24 hr

Nearby

Flash Flood Warnings in Florida, 2012Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.