Alert archive / Florida / Flash Flood Warnings in 2014

Flash Flood Warning 9, NWS Tallahassee, FL

April 15, 20145 counties in Florida

NWS Tallahassee, FL issued this flash flood warning at Apr 15, 2014, 6:02 AM EDT for 5 counties in Florida. It was in force for 3 hr. 8 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
Apr 15, 2014, 6:02 AM EDT (10:02 UTC)
Expired
Apr 15, 2014, 9:00 AM EDT
In force
3 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Gadsden County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 13 km from the middle of the area, began a volume at 10:02 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
Apr 15, 6:49 AM EDTFLASH FLOODTallahassee, FLMANY ROADS WITH A FEW INCHES OF WATER RUNNING ACROSS AND A COUPLE LOCATIONS WITH AS MUCH AS 6-8 INCHES OF WATER.
Apr 15, 7:20 AM EDTFLASH FLOOD1 N Monticello, FLREPORT OF FLOODING ON HIGHWAY 19 NORTH OF MONTICELLO
Apr 15, 7:20 AM EDTFLASH FLOOD1 Nnw Chaires, FLINTERSECTION OF BUCK LAKE ROAD AND CHAIRES ROAD IS IMPASSIBLE DUE TO FLOODING.
Apr 15, 7:20 AM EDTFLASH FLOOD1 Wnw Tallahassee, FLFLOODING ON THE EASTBOUND LANES OF GAINES STREET AT GAY ROAD.
Apr 15, 7:20 AM EDTFLASH FLOOD2 S Tallahassee, FLTHE 500 BLOCK OF PAUL RUSSELL IS IMPASSIBLE DUE TO FLOODING.
Apr 15, 7:20 AM EDTFLASH FLOOD3 Wsw Concord, FLTHE INTERSECTION OF BAUM ROAD AND MICCOSUKEE ROAD IS FLOODED AND IMPASSIBLE.
Apr 15, 7:37 AM EDTFLASH FLOOD4 N Tallahassee, FLREPORT THAT MERIDIAN ROAD IS FLOODED JUST NORTH OF I-10.
Apr 15, 9:05 AM EDTHEAVY RAIN 3.537 Ne Tallahassee Coml A, FL

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, 10.0 hours before the alert went out and 15 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 2014-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 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 2014-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
127 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
840 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

150 
WGUS52 KTAE 151002
FFWTAE
FLC039-065-073-077-129-151300-
/O.NEW.KTAE.FF.W.0009.140415T1002Z-140415T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
602 AM EDT TUE APR 15 2014

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN GADSDEN COUNTY IN FLORIDA...
  NORTHERN JEFFERSON COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF MONTICELLO...
  LEON COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF TALLAHASSEE...
  LIBERTY COUNTY IN FLORIDA...
  NORTHWESTERN WAKULLA COUNTY IN FLORIDA...

* UNTIL 900 AM EDT

* AT 601 AM EDT...RADAR INDICATES VERY HEAVY RAIN MOVING REPEATEDLY  
  OVER THE WARNED AREA. RAINFALL RATES OF 2 TO 3 INCHES PER HOUR ARE 
  INDICATED...AND FLASH FLOODING IS EXPECTED TO DEVELOP OVER THE     
  NEXT FEW HOURS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE AWAY FROM RISING WATER TO HIGHER GROUND! MOST FLOOD DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADS.
REMEMBER...TURN AROUND...DON'T DROWN.

&&

LAT...LON 3055 8364 3001 8484 3001 8500 2997 8502
      3016 8513 3026 8506 3037 8503 3069 8431
      3064 8361 3058 8361

$$

42-DVD
1 follow-up statement
453 
WGUS72 KTAE 151252
FFSTAE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
852 AM EDT TUE APR 15 2014

FLC039-065-073-077-129-151302-
/O.EXP.KTAE.FF.W.0009.000000T0000Z-140415T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEON FL-GADSDEN FL-WAKULLA FL-JEFFERSON FL-LIBERTY FL-
852 AM EDT TUE APR 15 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 900 AM EDT FOR LIBERTY...
NORTHERN JEFFERSON...NORTHWESTERN WAKULLA...SOUTHEASTERN GADSDEN AND
LEON COUNTIES...

RAIN IS TAPERING OFF AND THE THREAT OF FLASH FLOODING IS DIMINISHED.
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.

LAT...LON 3055 8364 3001 8484 3001 8500 2997 8502
      3016 8513 3026 8506 3037 8503 3069 8431
      3064 8361 3058 8361

$$

08-LAMERS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 10:00 PM EDTSevere Thunderstorm WarningTAEWalton30 min
Apr 14, 11:50 PM EDTFlash Flood WarningTAEHolmes, Walton, Washington3 hr
Apr 15, 12:48 AM EDTFlash Flood WarningTAEJackson, Washington4 hr
Apr 15, 2:01 AM EDTSpecial Marine WarningTAE89 min
Apr 15, 2:39 AM EDTFlash Flood WarningTAEWalton, Washington3 hr
Apr 15, 3:12 AM EDTRip Current StatementTAEBay, Franklin, Gulf, Walton25 hr
Apr 15, 3:22 AM EDTSpecial Marine WarningTAE83 min
Apr 15, 3:50 AM EDTFlash Flood WarningTAEBay, Calhoun, Gadsden, Jackson, Liberty, Washington4 hr
Apr 15, 3:59 AM EDTFreeze WatchTAEWalton11 hr
Apr 15, 4:46 AM EDTTornado WarningTAECalhoun, Liberty44 min
Apr 15, 5:39 AM EDTAreal Flood AdvisoryTAELeon2 hr
Apr 15, 8:00 AM EDTSpecial Marine WarningTAE2 hr
Apr 15, 9:57 AM EDTRiver Flood WarningTAEWakulla10 days
Apr 15, 10:24 AM EDTSpecial Marine WarningTAE96 min
Apr 15, 10:54 AM EDTRiver Flood WarningTAECalhoun11 days

Nearby

Flash Flood Warnings in Florida, 2014Every flash flood warning in 2014

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.