Alert archive / Florida / Flash Flood Warnings in 2012

Flash Flood Warning 9, NWS Jacksonville, FL

June 26, 2012Charlton County, Georgia; 8 counties in Florida

NWS Jacksonville, FL issued this flash flood warning at Jun 26, 2012, 1:18 AM EDT for Charlton County, Georgia; 8 counties in Florida. It was in force for 4 hr. 4 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, 5:15 AM EDT
In force
4 hr
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Flood severity
None

Counties Baker County, FL, Bradford County, FL, Columbia County, FL, Duval County, FL, Hamilton County, FL, Nassau County, FL, Suwannee County, FL, Union County, FL, Charlton County, GA

What was reported inside it

TimeReportWhereRemark
Jun 26, 2:30 AM EDTFLASH FLOOD3 W Downtown Jacksonvil, FLANVERS BLVD FLOODED...OTHER ROADS IN THE AREA FLOODED AS WELL.
Jun 26, 3:00 AM EDTFLASH FLOODLive Oak, FLROADS ACROSS CITY AND COUNTY FLOODED. NORTHERN PORTION OF CITY OF LIVE OAK BEING EVACUATED.
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, 5:00 AM EDTFLASH FLOODWhite Springs, FLSEVERE FLASH FLOODING OCCURRED IN THE CITY OF WHITE SPRINGS WITH ROADS WASHED OUT TO A DEPTH OF 8 TO 12 FEET. THE FIRST ROADWAY WASHED OUT WAS 1ST STREET WHICH WAS COMPLETELY SEVERED. THE WATER THEN FLOWED ALONG A STREAM BED TO JEWETT STREET WHICH WAS ALSO COM

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 160 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°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.

119 
WGUS52 KJAX 260518
FFWJAX
FLC003-007-023-031-047-089-121-125-GAC049-260915-
/O.NEW.KJAX.FF.W.0009.120626T0518Z-120626T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN BRADFORD COUNTY IN NORTHERN FLORIDA
  BAKER COUNTY IN NORTHEAST FLORIDA
  COLUMBIA COUNTY IN NORTHERN FLORIDA
  HAMILTON COUNTY IN NORTHERN FLORIDA
  SUWANNEE COUNTY IN NORTHERN FLORIDA
  UNION COUNTY IN NORTHERN FLORIDA
  SOUTHERN CHARLTON COUNTY IN SOUTHEAST GEORGIA
  DUVAL COUNTY IN NORTHEAST FLORIDA
  NASSAU COUNTY IN NORTHEAST FLORIDA

* UNTIL 515 AM EDT

* AT 112 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN CONTINUING ACROSS THE WARNING AREA. A PERSISTENT   
  BAND OF HEAVY RAIN EXTENDED FROM SUWANNEE COUNTY EASTWARD ACROSS
  COLUMBIA...BAKER...SOUTHERN CHARLTON...NASSAU...AND NORTHERN DUVAL.
  THIS BAND IS YIELDING RAINFALL RATES OF ONE TO TWO INCHES PER 
  HOUR...OVER AN AREA THAT HAS RECEIVED 6 TO 10 INCHES OF RAIN. 
  AN ADDITIONAL 2 TO 4 INCHES OF RAIN IS EXPECTED THROUGH 5 AM ACROSS
  A LARGE PART OF THE WARNING AREA. SIGNIFICANT FLOODING IS EXPECTED
  ACROSS THE WARNING AREA...CAUSING ROAD CLOSURES. TRAVEL IS NOT 
  ADVISED ACROSS THE WARNING AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YULEE...
  WINFIELD...WHITE SPRINGS...WELLBORN...WATERTOWN...UNF...TAYLOR...
  SUWANNEE VALLEY...SUWANNEE SPRINGS...SUWANNEE RIVER STATE PARK...
  SANDERSON...SAN PABLO...SAN MARCO...RIVERSIDE...ORTEGA...OLUSTEE...
  OCEANWAY...NORMANDY...RATLIFF...MAYPORT...MAXVILLE...MACCLENNY...
  LIVE OAK...LAKE CITY...JENNINGS...JASPER...JACKSONVILLE
  INTERNATIONAL AIRPORT...JACKSONVILLE BEACH...FORT CAROLINE...
  DOWNTOWN JACKSONVILLE...DOWLING PARK...CALLAHAN...BRYCEVILLE...
  BELMONT...ARLINGTON...AMELIA CITY...ST. MARYS AND ST. GEORGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY 
EMERGENCY MANAGEMENT.

&&

LAT...LON 3062 8326 3057 8222 3058 8221 3058 8210
      3073 8186 3071 8148 3025 8139 3019 8205
      3002 8206 3000 8298 3008 8308 3011 8323
      3026 8325 3041 8318 3042 8323 3046 8323
      3047 8325

$$

WOLF
1 follow-up statement
413 
WGUS72 KJAX 260745
FFSJAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
345 AM EDT TUE JUN 26 2012

FLC003-007-023-031-047-089-121-125-GAC049-260915-
/O.CON.KJAX.FF.W.0009.000000T0000Z-120626T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BRADFORD FL-BAKER FL-COLUMBIA FL-HAMILTON FL-SUWANNEE FL-UNION FL-
CHARLTON GA-DUVAL FL-NASSAU FL-
345 AM EDT TUE JUN 26 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM EDT FOR
NASSAU...DUVAL...SOUTHERN CHARLTON...UNION...SUWANNEE...HAMILTON...
COLUMBIA...BAKER AND NORTHEASTERN BRADFORD COUNTIES...

AT 342 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A BAND OF MODERATE TO HEAVY RAIN ACROSS SUWANNEE...NORTHERN
COLUMBIA...NORTHERN BAKER...SOUTHERN CHARLTON...AND NASSAU COUNTIES.

RADAR RAINFALL ESTIMATES SHOW AMOUNTS OF 3-6 INCHEAS OVER THE PAST
3 HOURS ACROSS THESE AREAS. WIDESPREAD FLOODING IS BEING REPORTED.
PORTIONS OF INTERSTATE 10 IN BAKER AND COLUMBIA COUNTIES ARE CLOSED
DUE TO FLOODING. PORTIONS OF U.S. HIGHWAY 90 IN WELLBORN AND LIVE
OAK ALSO HAVE BEEN CLOSED DUE TO FLOODING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
YULEE...TAYLOR...SUWANNEE SPRINGS...SUWANNEE RIVER STATE 
PARK...OCEANWAY...RATLIFF...JENNINGS...JASPER...JACKSONVILLE 
INTERNATIONAL AIRPORT...FORT CAROLINE...CALLAHAN...BRYCEVILLE... 
BELMONT...AMELIA CITY...ST. MARYS AND ST. GEORGE.

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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
JACKSONVILLE.

&&

LAT...LON 3062 8326 3057 8222 3058 8221 3058 8210
      3073 8186 3071 8148 3025 8139 3019 8205
      3002 8206 3000 8298 3008 8308 3011 8323
      3026 8325 3041 8318 3042 8323 3046 8323
      3047 8325

$$

WOLF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:50 PM EDTAreal Flood AdvisoryJAXCamden, Charlton115 min
Jun 25, 8:57 PM EDTAreal Flood WarningJAXCharlton3 hr
Jun 25, 10:39 PM EDTFlash Flood WarningJAXCharlton3 hr
Jun 25, 11:03 PM EDTFlash Flood WarningJAXCharlton3 hr
Jun 26, 4:28 AM EDTFlash Flood WarningJAXCamden, Charlton4 hr
Jun 26, 5:31 AM EDTFlash Flood WarningJAXClinch, Echols, Ware3 hr
Jun 26, 8:55 AM EDTAreal Flood WarningJAXBrantley, Charlton, Clinch, Echols, Pierce, Ware6 hr
Jun 26, 9:05 AM EDTAreal Flood WarningJAXCamden, Glynn6 hr
Jun 26, 5:19 PM EDTLake Wind AdvisoryJAXAppling, Atkinson, Bacon, Brantley, Camden, Clinch and 6 more16 hr
Jun 25, 9:14 PM EDTFlash Flood WarningJAXDuval, Nassau, Saint Johns2 hr
Jun 25, 10:09 PM EDTSpecial Marine WarningJAX2 hr
Jun 25, 11:59 PM EDTSpecial Marine WarningJAX61 min
Jun 26, 5:13 AM EDTFlash Flood WarningJAXBaker, Columbia, Hamilton, Suwannee3 hr
Jun 26, 6:48 AM EDTSpecial Marine WarningJAX117 min
Jun 26, 8:27 AM EDTAreal Flood WarningJAXBaker, Columbia, Hamilton, Suwannee6 hr
Jun 26, 9:53 AM EDTSpecial Marine WarningJAX2 hr
Jun 26, 11:35 AM EDTRiver Flood WarningJAXColumbia, Gilchrist, Suwannee16 days
Jun 26, 12:03 PM EDTSpecial Marine WarningJAX87 min
Jun 26, 12:23 PM EDTRiver Flood WarningJAXGilchrist, Suwannee9 days
Jun 26, 12:34 PM EDTRiver Flood WarningJAXHamilton, Suwannee10 days
Jun 26, 1:14 PM EDTSpecial Weather StatementJAXColumbia46 min
Jun 26, 1:22 PM EDTSpecial Marine WarningJAX98 min
Jun 26, 1:26 PM EDTSpecial Marine WarningJAX2 hr
Jun 26, 1:39 PM EDTSpecial Weather StatementJAXColumbia36 min
Jun 26, 1:40 PM EDTSpecial Weather StatementJAXClay35 min
Jun 26, 2:13 PM EDTSpecial Weather StatementJAXClay32 min
Jun 26, 2:23 PM EDTAreal Flood WarningJAXBaker, Columbia, Hamilton, Suwannee, Union6 hr
Jun 26, 3:13 PM EDTFlash Flood WarningJAXSuwannee3 hr
Jun 26, 3:13 PM EDTSpecial Weather StatementJAXBaker47 min
Jun 26, 3:38 PM EDTAreal Flood WarningJAXClay, Duval, Nassau3 hr
Jun 26, 3:38 PM EDTSpecial Weather StatementJAXClay52 min
Jun 26, 3:50 PM EDTSpecial Weather StatementJAXBaker40 min
Jun 26, 4:15 PM EDTFlash Flood WarningJAXDuval3 hr
Jun 26, 4:20 PM EDTSpecial Weather StatementJAXSaint Johns40 min
Jun 26, 4:24 PM EDTFlash Flood WarningJAXBaker, Bradford, Columbia, Union3 hr
Jun 26, 4:24 PM EDTSpecial Weather StatementJAXClay51 min
Jun 26, 4:42 PM EDTSpecial Weather StatementJAXBaker48 min
Jun 26, 4:48 PM EDTSpecial Weather StatementJAXBaker, Clay, Columbia, Duval, Nassau, Saint Johns and 1 more57 min
Jun 26, 5:42 PM EDTSpecial Weather StatementJAXBaker, Clay, Columbia, Duval, Nassau, Saint Johns and 1 more63 min
Jun 26, 5:47 PM EDTSpecial Marine WarningJAX58 min
Jun 26, 5:51 PM EDTSpecial Weather StatementJAXBradford24 min
Jun 26, 6:24 PM EDTFlash Flood WarningJAXDuval3 hr
Jun 26, 6:43 PM EDTFlash Flood Warning EmergencyJAXClay, Duval3 hr
Jun 26, 6:47 PM EDTSpecial Marine WarningJAX88 min
Jun 26, 7:49 PM EDTSpecial Marine WarningJAX86 min

Nearby

Flash Flood Warnings in Florida, 2012Flash Flood Warnings in Georgia, 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.