Alert archive / Florida / Flash Flood Warnings in 2012

Flash Flood Warning 3, NWS Jacksonville, FL

May 29, 2012Suwannee County, Florida

NWS Jacksonville, FL issued this flash flood warning at May 29, 2012, 5:14 AM EDT for Suwannee County, Florida. It was in force for 3 hr. 1 report 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
May 29, 2012, 5:14 AM EDT (09:14 UTC)
Expired
May 29, 2012, 8:15 AM EDT
In force
3 hr
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Flood severity
None

County Suwannee County, FL

What was reported inside it

TimeReportWhereRemark
May 29, 5:37 AM EDTFLOOD3 Ene Obrien, FLEMERGENCY MANAGEMENT REPORTED 11 TO 15 INCHES OF STANDING WATER EAST OF US-129 IN PARTS OF THE OBRIEN AREA.

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

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 9.2 hours before the alert went out and 132 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, Jacksonville, FL at 00:00Z on 2012-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 307 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, Jacksonville, FL at 00:00Z on 2012-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 square meters per square second.1939Sfc1 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
307 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
769 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
-27 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.

925 
WGUS52 KJAX 290914
FFWJAX
FLC121-291215-
/O.NEW.KJAX.FF.W.0003.120529T0914Z-120529T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
514 AM EDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN SUWANNEE COUNTY IN NORTHERN FLORIDA

* UNTIL 815 AM EDT

* AT 510 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS NEAR OBRIEN AND MOVING 
  NORTHEAST. THERE HAVE BEEN DOPPLER ESTIMATES OF OVER 7 INCHES
  SINCE YESTERDAY EVENING WITH AN ADDITIONAL 2 TO 4 INCHES POSSIBLE
  IN THE NEXT COUPLE OF HOURS WHICH WILL CAUSE MORE WIDESPREAD AND
  SIGNIFICANT FLOODING.     

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OBRIEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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...DONT DROWN.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT...OR YOU CAN ALSO CALL THE NATIONAL WEATHER
SERVICE IN JACKSONVILLE DIRECTLY AT 800-499-1594 TO REPORT FLOODING.

&&

LAT...LON 3007 8303 3014 8283 3001 8284 2996 8296
      2998 8297 2999 8297 3000 8300 3003 8303

$$

PETERSON
1 follow-up statement
544 
WGUS72 KJAX 291213
FFSJAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
813 AM EDT TUE MAY 29 2012

FLC121-291223-
/O.EXP.KJAX.FF.W.0003.000000T0000Z-120529T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUWANNEE FL-
813 AM EDT TUE MAY 29 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 815 AM EDT FOR SOUTHERN
SUWANNEE COUNTY...

RAINFALL HAS ENDED ACROSS THE AREA...BUT FLOODING MAY PERSIST IN 
SOME AREAS. AVOID DRIVING OVER FLOODED ROADS.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT...OR YOU CAN ALSO CALL THE NATIONAL WEATHER
SERVICE IN JACKSONVILLE DIRECTLY AT 800-499-1594 TO REPORT FLOODING.

LAT...LON 3007 8303 3014 8283 3001 8284 2996 8296
      2998 8297 2999 8297 3000 8300 3003 8303

$$

WOLF

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 8:22 PM EDTLake Wind AdvisoryJAXNassau8 hr
May 28, 8:46 PM EDTSpecial Weather StatementJAXAlachua44 min
May 28, 9:23 PM EDTSpecial Weather StatementJAXFlagler52 min
May 28, 9:29 PM EDTSpecial Weather StatementJAXAlachua46 min
May 28, 9:34 PM EDTAreal Flood AdvisoryJAXAlachua, Bradford, Clay, Marion, Putnam56 min
May 28, 9:56 PM EDTSpecial Weather StatementJAXSaint Johns34 min
May 28, 10:13 PM EDTSpecial Weather StatementJAXMarion, Putnam32 min
May 28, 10:28 PM EDTAreal Flood AdvisoryJAXAlachua, Marion, Putnam62 min
May 28, 10:35 PM EDTSpecial Marine WarningJAX55 min
May 28, 10:43 PM EDTSpecial Weather StatementJAXDuval32 min
May 28, 10:46 PM EDTSpecial Weather StatementJAXMarion29 min
May 28, 10:50 PM EDTAreal Flood WarningJAXMarion3 hr
May 28, 11:18 PM EDTSpecial Weather StatementJAXMarion42 min
May 28, 11:53 PM EDTSpecial Weather StatementJAXSuwannee37 min
May 29, 12:00 AM EDTSpecial Weather StatementJAXMarion30 min
May 29, 12:16 AM EDTFlash Flood WarningJAXMarion3 hr
May 29, 12:40 AM EDTSpecial Weather StatementJAXColumbia50 min
May 29, 12:51 AM EDTAreal Flood WarningJAXColumbia, Gilchrist, Hamilton, Suwannee3 hr
May 29, 2:08 AM EDTSpecial Weather StatementJAXMarion52 min
May 29, 2:50 AM EDTSpecial Marine WarningJAX55 min
May 29, 3:10 AM EDTAreal Flood WarningJAXMarion, Putnam4 hr
May 29, 3:58 AM EDTAreal Flood WarningJAXColumbia, Hamilton, Suwannee3 hr
May 29, 4:40 AM EDTSpecial Weather StatementJAXSuwannee35 min
May 29, 5:17 AM EDTSpecial Weather StatementJAXSuwannee43 min
May 29, 5:59 AM EDTSpecial Weather StatementJAXColumbia31 min
May 29, 6:26 AM EDTSpecial Weather StatementJAXColumbia34 min
May 29, 6:52 AM EDTAreal Flood WarningJAXBaker, Columbia, Gilchrist, Union3 hr
May 29, 6:52 AM EDTSpecial Weather StatementJAXUnion38 min
May 29, 8:30 AM EDTSpecial Weather StatementJAXBaker45 min
May 29, 9:26 AM EDTSpecial Weather StatementJAXAlachua34 min
May 29, 9:51 AM EDTSpecial Weather StatementJAXAlachua, Bradford39 min
May 29, 10:46 AM EDTSpecial Weather StatementJAXAlachua44 min
May 29, 1:20 PM EDTSpecial Weather StatementJAXUnion40 min
May 29, 1:34 PM EDTSpecial Weather StatementJAXBaker26 min
May 29, 1:46 PM EDTSpecial Weather StatementJAXColumbia44 min
May 29, 1:53 PM EDTSpecial Weather StatementJAXUnion52 min
May 29, 2:18 PM EDTSpecial Weather StatementJAXCitrus27 min
May 29, 2:45 PM EDTSpecial Weather StatementJAXBradford, Union60 min
May 29, 3:39 PM EDTSpecial Weather StatementJAXNassau36 min
May 29, 3:43 PM EDTTornado WarningJAXBradford, Union32 min
May 29, 4:19 PM EDTSpecial Weather StatementJAXBaker26 min
May 29, 4:44 PM EDTSpecial Weather StatementJAXDuval46 min
May 29, 4:49 PM EDTAreal Flood AdvisoryJAXBaker, Nassau25 min
May 29, 5:15 PM EDTSpecial Weather StatementJAXClay30 min
May 29, 5:45 PM EDTSpecial Weather StatementJAXClay30 min
May 29, 6:16 PM EDTSpecial Weather StatementJAXBradford, Clay, Gilchrist29 min
May 29, 6:43 PM EDTSpecial Weather StatementJAXAlachua, Clay, Gilchrist32 min
May 29, 7:13 PM EDTSpecial Weather StatementJAXAlachua32 min
May 29, 7:20 PM EDTSevere Thunderstorm WarningJAXAlachua, Clay, Putnam40 min
May 29, 7:40 PM EDTSpecial Weather StatementJAXAlachua50 min
May 29, 7:45 PM EDTAreal Flood AdvisoryJAXAlachua, Putnam90 min
May 29, 7:53 PM EDTSpecial Weather StatementJAXPutnam37 min

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.