Alert archive / Florida / Flash Flood Warnings in 2013

Flash Flood Warning 21, NWS Tallahassee, FL

July 4, 2013Bay County, Washington County, Florida

NWS Tallahassee, FL issued this flash flood warning at Jul 4, 2013, 11:38 AM CDT for Bay County, Washington County, Florida. It was in force for 8 hr. 18 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
Jul 4, 2013, 11:38 AM CDT (16:38 UTC)
Expired
Jul 4, 2013, 8:00 PM CDT
In force
8 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Bay County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 18 km from the middle of the area, began a volume at 16:38 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
Jul 4, 11:50 AM CDTFLASH FLOODVernon, FLTWELVE BUILDINGS CONFIRMED TO HAVE WATER ENTERING THE BUILDING IN OR NEAR VERNON. WATER APPROACHING THE SHELTER LOCATION...SO THE SHELTER IS BEING MOVED. STILL NUMEROUS ROAD CLOSURES.
Jul 4, 12:11 PM CDTFLASH FLOOD2 Ese Panama City Beach, FLWATER RISING TO NEAR THE HEIGHT OF A SHORT GUARDRAIL ON ALF COLEMAN ROAD JUST SOUTH OF HIGHWAY 98. LIKELY AT LEAST 6 INCHES DEEP.
Jul 4, 12:40 PM CDTFLASH FLOODLynn Haven, FLWATER OVER ROADS AROUND LYNN HAVEN...VIA A SOCIAL MEDIA REPORT FROM WJHG-TV METEOROLOGIST.
Jul 4, 12:40 PM CDTFLASH FLOODPanama City Beach, FLWATER UP TO 1.5 FEET DEEP ON PARTS OF FRONT BEACH RD.
Jul 4, 1:35 PM CDTFLASH FLOODPanama City Airport, FLCONSIDERABLE FLOODING BEING REPORTED ACROSS PANAMA CITY, INCLUDING REPORTS OF WATER ENTERING SOME HOMES AND BUSINESSES.
Jul 4, 2:50 PM CDTFLASH FLOODPanama City, FLSEWER DRAINS OVERFLOWING NEAR DOWNTOWN PANAMA CITY PER A NEWS HERALD EMPLOYEE.
Jul 4, 3:00 PM CDTHEAVY RAIN 12.352 Nw Panama City Beach, FLRAINFALL TOTAL SINCE TUESDAY AT NWFWMD RAIN GAGE AT FRANK BROWN PARK.
Jul 4, 4:00 PM CDTHEAVY RAIN 10.4511 Nne Panama City Beac, FLRAINFALL TOTAL FOR YESTERDAY AND SO FAR TODAY AT NW FLORIDA BEACHES INTERNATIONAL AIRPORT.
Jul 4, 4:10 PM CDTHEAVY RAIN 8.122 Ne Econfina, FLRAINFALL TOTAL SINCE YESTERDAY AT NWFWMD ECOFINA CREEK FIELD OFFICE.
Jul 4, 4:30 PM CDTHEAVY RAIN 9.5Panama City Beach, FLVIEWER REPORT ON WEST END OF PANAMA CITY BEACH RELAYED BY WMBB-TV. TWO DAY TOTAL.
Jul 4, 4:30 PM CDTHEAVY RAIN 17Lynn Haven, FLVIEWER REPORT RELAYED BY WMBB-TV. TWO DAY TOTAL.
Jul 4, 4:30 PM CDTHEAVY RAIN 18.52 Se Riverside, FLVIEWER REPORT RELAYED BY WMBB-TV. TWO DAY TOTAL.
Jul 4, 5:00 PM CDTFLOODVernon, FLMANY DIRT ROADS IN WASHINGTON COUNTY ARE UNSTABLE DUE TO RISING WATER AND CONTINUED RAINS. SOME OF THE DIRT ROADS IN THE COUNTY HAVE BEEN ERODED SUCH THAT THEY HAVE BEEN CUT IN TWO. PAVED ROADS HAVE ALSO BEEN IMPACTED BY HIGH WATER IN SOME SPOTS. INFORMATION V
Jul 4, 5:00 PM CDTFLASH FLOODPanama City Beach, FLMULTIPLE PHOTOS RELAYED BY BROADCAST MEDIA VIA SOCIAL MEDIA SHOWING SEVERAL CARS STALLED IN DEEP WATER IN THE PANAMA CITY BEACH AREA. WATER HAS ENCROACHED INTO SOME BUILDINGS IN BOTH PANAMA CITY BEACH AND PANAMA CITY. FLOODING IS DESCRIBED AS SOME OF THE WORST
Jul 4, 5:00 PM CDTHEAVY RAIN 10.88Southport, FLSTORM TOTAL SINCE MONDAY.
Jul 4, 5:00 PM CDTHEAVY RAIN 13.42Springfield, FLEVENT TOTAL RAINFALL SO FAR.
Jul 4, 6:00 PM CDTHEAVY RAIN 142 E Southport, FLVIEWER REPORT TO WJHG-TV NEAR SOUTHPORT ELEMENTARY.
Jul 4, 6:00 PM CDTHEAVY RAIN 153 Nw Vernon, FLVIEWER REPORT TO WJHG-TV ON HWY 279 BETWEEN CARYVILLE AND VERNON.

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, 4.6 hours before the alert went out and 141 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 2013-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 677 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 2013-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
677 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

790 
WGUS52 KTAE 041638
FFWTAE
FLC005-133-042030-
/O.NEW.KTAE.FF.W.0021.130704T1638Z-130704T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1138 AM CDT THU JUL 4 2013

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL BAY COUNTY IN THE PANHANDLE OF FLORIDA...
  THIS INCLUDES THE CITIES OF...PANAMA CITY BEACH...PANAMA CITY...
  LYNN HAVEN...CALLAWAY...
  WASHINGTON COUNTY IN THE PANHANDLE OF FLORIDA...
  THIS INCLUDES THE CITY OF VERNON...

* UNTIL 330 PM CDT

* AT 1127 AM CDT...FLOODING CONTINUED ACROSS WASHINGTON COUNTY AND 
  PARTS OF WESTERN BAY COUNTY ACCORDING TO LAW ENFORCEMENT REPORTS. 
  ADDITIONAL HEAVY RAIN BANDS WERE MOVING INTO THESE AREAS AND MAY
  LEAD TO INCREASINGLY SEVERE FLOODING THIS AFTERNOON.

  ADDITIONALLY...HEAVY RAINFALL IS EXPECTED TO MOVE INTO PANAMA
  CITY AND PANAMA CITY BEACH...WITH RAIN RATES OF 1 TO 2 INCHES
  PER HOUR POSSIBLE. THIS MAY LEAD TO FLASH FLOODING IN THOSE AREAS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW HOPE...
  ECONFINA...WAUSAU...EBRO...CRYSTAL LAKE...CARYVILLE.

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 3042 8599 3044 8591 3049 8586 3051 8588
      3059 8589 3060 8592 3064 8591 3073 8582
      3079 8582 3079 8575 3075 8573 3075 8562
      3080 8560 3027 8546 3011 8553 3010 8559
      3008 8554 3002 8557 3027 8600

$$

08-LAMERS
2 follow-up statements
658 
WGUS72 KTAE 041840
FFSTAE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
140 PM CDT THU JUL 4 2013

FLC005-133-042030-
/O.CON.KTAE.FF.W.0021.000000T0000Z-130704T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BAY FL-WASHINGTON FL-
140 PM CDT THU JUL 4 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
WASHINGTON AND CENTRAL BAY COUNTIES...

AT 132 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WIDESPREAD 
AND INCREASINGLY SIGNIFICANT FLASH FLOODING ACROSS BAY AND 
WASHINGTON COUNTIES. ADDITIONAL HEAVY RAIN WAS MOVING INTO THE 
WARNED AREA AND THIS WILL LIKELY ONLY WORSEN THE FLOODING SITUATION.

BOTH THE BAY AND WASHINGTON COUNTY SHERIFFS DEPARTMENTS REPORTED 
NUMEROUS ROAD CLOSURES AND WATER BEGINNING TO ENTER AND AFFECT SOME 
HOMES AND BUSINESSES.

THIS IS QUICKLY BECOMING A SERIOUS FLASH FLOODING SITUATION!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A SERIOUS FLOODING SITUATION! WATER MAY RISE RAPIDLY. NOW IS 
THE TIME TO MOVE AWAY FROM STREAMS AND LOW SPOTS. MOST FLOOD DEATHS 
OCCUR IN VEHICLES. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADS. 
REMEMBER...TURN AROUND...DON'T DROWN.

&&

LAT...LON 3042 8599 3044 8591 3049 8586 3051 8588
      3059 8589 3060 8592 3064 8591 3073 8582
      3079 8582 3079 8575 3075 8573 3075 8562
      3080 8560 3027 8546 3011 8553 3010 8559
      3008 8554 3002 8557 3027 8600

$$

08-LAMERS
257 
WGUS52 KTAE 042014
FFWTAE
FLC005-133-050100-
/O.EXT.KTAE.FF.W.0021.000000T0000Z-130705T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
314 PM CDT THU JUL 4 2013

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  CENTRAL BAY COUNTY IN THE PANHANDLE OF FLORIDA..
  WASHINGTON COUNTY IN THE PANHANDLE OF FLORIDA...

* UNTIL 800 PM CDT

* AT 305 PM CDT...NUMEROUS REPORTS OF FLASH FLOODING HAVE BEEN
  RECEIVED FROM BAY AND WASHINGTON COUNTIES. MANY ROADS WERE CLOSED
  AND WATER WAS AFFECTING SOME HOMES AND BUSINESSES. ADDITIONAL 
  RAINFALL OF 1 TO 2 INCHES...WITH ISOLATED AMOUNTS OF 3 INCHES...
  WILL CAUSE FLOODING TO CONTINUE INTO THE LATE AFTERNOON.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PANAMA CITY...PANAMA CITY BEACH...LYNN HAVEN...CALLAWAY...VERNON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A SERIOUS FLOODING SITUATION! WATER MAY RISE RAPIDLY. NOW IS 
THE TIME TO MOVE AWAY FROM STREAMS AND LOW SPOTS. MOST FLOOD DEATHS 
OCCUR IN VEHICLES. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADS. 
REMEMBER...TURN AROUND...DON'T DROWN.

REPORT FLOODING OR FLOOD DAMAGE TO THE NATIONAL WEATHER SERVICE AT 
(8 5 0) 9 4 2 8 8 3 3...OR CONTACT LAW ENFORCEMENT.

&&

LAT...LON 3042 8599 3044 8591 3049 8586 3051 8588
      3059 8589 3060 8592 3064 8591 3073 8582
      3079 8582 3079 8575 3075 8573 3075 8562
      3080 8560 3027 8546 3011 8553 3010 8559
      3008 8554 3002 8557 3027 8600

$$

08-LAMERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 10:24 PM CDTRiver Flood WarningTAEHolmes, Washington15 days
Jul 3, 10:24 PM CDTRiver Flood WarningTAEWalton18 days
Jul 4, 12:46 AM CDTSpecial Marine WarningTAE89 min
Jul 4, 1:12 AM CDTSpecial Weather StatementTAEWakulla48 min
Jul 4, 1:24 AM CDTSpecial Marine WarningTAE51 min
Jul 4, 1:49 AM CDTHigh Surf AdvisoryTAEBay, Walton29 hr
Jul 4, 4:03 AM CDTSpecial Marine WarningTAE87 min
Jul 4, 4:59 AM CDTSpecial Marine WarningTAE31 min
Jul 4, 5:39 AM CDTSpecial Marine WarningTAE2 hr
Jul 4, 5:48 AM CDTFlash Flood WarningTAEBay, Holmes, Walton, Washington6 hr
Jul 4, 8:58 AM CDTSevere Thunderstorm WarningTAELeon, Wakulla47 min
Jul 4, 9:12 AM CDTSevere Thunderstorm WarningTAEGadsden, Leon, Wakulla48 min
Jul 4, 9:15 AM CDTSpecial Marine WarningTAE75 min
Jul 4, 9:56 AM CDTSpecial Weather StatementTAELeon64 min
Jul 4, 10:01 AM CDTSpecial Weather StatementTAEBay, Gulf59 min
Jul 4, 10:13 AM CDTRiver Flood WarningTAEJefferson, Madison, Taylor4 days
Jul 4, 10:30 AM CDTSpecial Marine WarningTAE90 min
Jul 4, 11:05 AM CDTSevere Thunderstorm WarningTAEBay, Walton, Washington25 min
Jul 4, 11:27 AM CDTSevere Thunderstorm WarningTAEBay, Washington33 min
Jul 4, 11:53 AM CDTSpecial Marine WarningTAE112 min
Jul 4, 12:17 PM CDTSpecial Weather StatementTAEBay, Washington58 min
Jul 4, 12:29 PM CDTRiver Flood WarningTAECalhoun, Franklin, Gulf, Liberty8 days
Jul 4, 12:35 PM CDTSevere Thunderstorm WarningTAEHolmes25 min
Jul 4, 12:40 PM CDTSpecial Marine WarningTAE2 hr
Jul 4, 12:46 PM CDTFlash Flood WarningTAEHolmes, Jackson, Washington4 hr
Jul 4, 12:53 PM CDTSevere Thunderstorm WarningTAEHolmes52 min
Jul 4, 1:30 PM CDTSevere Thunderstorm WarningTAEFranklin, Liberty, Wakulla45 min
Jul 4, 1:39 PM CDTSpecial Marine WarningTAE51 min
Jul 4, 2:13 PM CDTSpecial Weather StatementTAEGadsden, Jefferson, Leon, Liberty, Wakulla62 min
Jul 4, 2:32 PM CDTSevere Thunderstorm WarningTAEGadsden, Leon43 min

Nearby

Flash Flood Warnings in Florida, 2013Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.