Alert archive / Florida / Flash Flood Warnings in 2012

Flash Flood Warning 19, NWS Tallahassee, FL

June 25, 2012Jefferson County, Madison County, Taylor County, Florida

NWS Tallahassee, FL issued this flash flood warning at Jun 25, 2012, 7:55 PM EDT for Jefferson County, Madison County, Taylor County, Florida. It was in force for 6 hr. 7 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 25, 2012, 7:55 PM EDT (23:55 UTC)
Expired
Jun 26, 2012, 2:00 AM EDT
In force
6 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Jefferson County, FL, Madison County, FL, Taylor County, FL

The radar

The Tallahassee radar (KTLH), 75 km from the middle of the area, began a volume at 23:57 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.

What was reported inside it

TimeReportWhereRemark
Jun 25, 10:00 PM EDTFLASH FLOOD1 Ese Thomas City, FLWATER IN HOMES ON HORSE SHOE ROAD.
Jun 25, 10:00 PM EDTFLASH FLOODMadison, FLWATER REPORTED TO BE RUNNING OVER MANY ROADS IN MADISON COUNTY...BUT NO FLOODING RELATED CALLS HAD BEEN RECEIVED SINCE ABOUT 1230 AM EDT JUNE 26. TIME APPROXIMATE.
Jun 25, 10:30 PM EDTFLASH FLOOD2 E Madison, FLWATER FROM A RETENTION POND HAD RISEN TO THE BACK OF A RESIDENCE TO THE EAST OF MADISON. TIME APPROXIMATE.
Jun 25, 10:42 PM EDTHEAVY RAIN 10.42Madison, FL10.42 INCHES OF RAIN IN THE LAST 24 HOURS AND 12.55 INCHES FOR THE DURATION OF THE STORM.
Jun 25, 10:47 PM EDTFLASH FLOOD2 W Capps, FLHIGHWAY 27 WEST OF HIGHWAY 19 WAS CLOSED DUE TO FLOODING AND HAS NOW REOPENED.
Jun 25, 10:47 PM EDTFLASH FLOOD5 S Monticello, FLTHOMPSON VALLEY ROAD WAS FLOODED.
Jun 26, 12:20 AM EDTHEAVY RAIN 10.74Madison, FL10.74 INCHES OF RAIN IN THE LAST 24 HOURS AND 12.87 INCHES FOR THE DURATION OF THE STORM.

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 12:00Z, 11.9 hours before the alert went out and 73 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 2012-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 81 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2012-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
81 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

248 
WGUS52 KTAE 252355
FFWTAE
FLC065-079-123-260600-
/O.NEW.KTAE.FF.W.0019.120625T2355Z-120626T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
755 PM EDT MON JUN 25 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN JEFFERSON COUNTY IN FLORIDA...
  SOUTHERN MADISON COUNTY IN FLORIDA...
  NORTHERN TAYLOR COUNTY IN FLORIDA...

* UNTIL 200 AM EDT TUESDAY

* AT 751 PM EDT...THE PUBLIC REPORTED FLASH FLOODING CONTINUING      
  AROUND THE WACISSA SPRINGS AREA. SEVERAL FEET OF WATER WAS IN THE  
  YARD OF A HOMEOWNER WITH WATER APPROACHING THE HOME. HEAVY RAIN    
  WILL CONTINUE FOR SEVERAL MORE HOURS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MADISON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF SEVERAL INCHES ARE POSSIBLE IN THE 
WARNED AREA.

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.

REPORT FLOODING OR FLOOD DAMAGE TO THE NATIONAL WEATHER SERVICE IN 
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE 
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. 
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3034 8320 3026 8323 3026 8336 3021 8337
      3020 8338 3004 8394 3009 8402 3010 8408
      3043 8408 3046 8404 3051 8404 3049 8324
      3047 8322 3043 8322 3038 8317

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 4:21 AM EDTTornado WarningTAETaylor24 min
Jun 25, 11:31 AM EDTRiver Flood WarningTAEWakulla9 days
Jun 25, 11:37 AM EDTFlash Flood WarningTAELiberty, Wakulla6 hr
Jun 25, 1:45 PM EDTFlash Flood WarningTAELeon3 hr
Jun 25, 4:42 PM EDTFlash Flood WarningTAELeon3 hr
Jun 25, 4:56 PM EDTFlash Flood WarningTAEJefferson, Madison3 hr
Jun 25, 5:22 PM EDTFlash Flood Warning EmergencyTAEFranklin, Liberty, Wakulla12 hr
Jun 25, 6:18 PM EDTRiver Flood WarningTAEWakulla4 days
Jun 25, 7:37 PM EDTFlash Flood WarningTAELeon6 hr
Jun 25, 7:49 PM EDTFlash Flood WarningTAEJefferson, Madison5 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; radar from the NEXRAD Level II archive.