Alert archive / Florida / Flash Flood Warnings in 2012
Flash Flood Warning 21, NWS Jacksonville, FL
NWS Jacksonville, FL issued this flash flood warning at Jun 26, 2012, 9:45 PM EDT for 4 counties in Florida. It was in force for 3 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, 9:45 PM EDT (01:45 UTC)
- Expired
- Jun 27, 2012, 12:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, FL, Duval County, FL, Nassau County, FL, Saint Johns County, FL
The radar
The Jacksonville radar (KJAX), 24 km from the middle of the area, began a volume at 01:46 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 26, 9:45 PM EDT | FLASH FLOOD | 4 Nnw Lakeside, FL | KNEE TO WAIST DEEP STANDING WATER REPORTED ON THE 3100 BLOCK OF STONEBRIER RIDGE ROAD IN OAKLEAF PLANTATION. |
| Jun 26, 10:00 PM EDT | FLASH FLOOD | 4 Nw Talbot Island, FL | RESIDENT REPORTS FLOODING ON SAWPIT ROAD ON BLACK HAMMOCK ISLAND. |
| Jun 26, 10:10 PM EDT | FLASH FLOOD | 5 S Jacksonville Intl A, FL | FLOODING IN A HOME ON ROSE ST. |
| Jun 26, 10:42 PM EDT | FLASH FLOOD | 5 Nnw Orange Park, FL | CATOMA STREET IS UNDER WATER AND WATER IS UP TO THE DOORS OF HOUSES AND RESIDENTS HAVE EVACUATED. |
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, 1.8 hours before the alert went out and 262 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.
- Mixed-layer CAPE
- 35 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 893 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
610
WGUS52 KJAX 270145
FFWJAX
FLC019-031-089-109-270445-
/O.NEW.KJAX.FF.W.0021.120627T0145Z-120627T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
945 PM EDT TUE JUN 26 2012
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN CLAY COUNTY IN NORTHEAST FLORIDA
NORTHERN ST. JOHNS COUNTY IN NORTHEAST FLORIDA
DUVAL COUNTY IN NORTHEAST FLORIDA
EASTERN NASSAU COUNTY IN NORTHEAST FLORIDA
* UNTIL 1245 AM EDT
* AT 943 PM EDT...EMERGENCY MANAGEMENT REPORTED WIDESPREAD FLOODING
ACROSS MUCH OF JACKSONVILLE AND AREAS IN NORTHEAST CLAY COUNTY.
WATER RESCUES WERE ONGOING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNF...
TALBOT ISLAND...SAN PABLO...SAN MARCO...RIVERSIDE...ORTEGA...
OCEANWAY...NORMANDY...NEPTUNE BEACH...MAYPORT...LITTLE TALBOT
ISLAND...JACKSONVILLE INTERNATIONAL AIRPORT...JACKSONVILLE BEACH...
FORT CAROLINE...DOWNTOWN JACKSONVILLE AND ARLINGTON. IN NORTHEAST
CLAY COUNTY...OAKLEAF PLANTATION...ARGYLE FORECAST...AND ORANGE
PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF A HALF INCH ARE POSSIBLE IN THE
WARNED AREA THROUGH MIDNIGHT.
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...OR YOU CAN ALSO CALL THE NATIONAL WEATHER
SERVICE IN JACKSONVILLE DIRECTLY AT 800-499-1594 TO REPORT FLOODING.
&&
LAT...LON 3025 8144 3011 8143 3010 8154 3012 8154
3013 8160 3012 8168 3005 8169 3008 8193
3039 8189 3058 8161 3055 8161 3057 8159
3052 8154 3056 8152 3049 8142 3027 8137
3026 8138
$$
ENYEDI1 follow-up statement
206
WGUS72 KJAX 270333
FFSJAX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1133 PM EDT TUE JUN 26 2012
FLC019-031-089-109-270445-
/O.CON.KJAX.FF.W.0021.000000T0000Z-120627T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY FL-ST. JOHNS FL-DUVAL FL-NASSAU FL-
1133 PM EDT TUE JUN 26 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
EASTERN NASSAU...DUVAL...NORTHERN ST. JOHNS AND NORTHERN CLAY
COUNTIES...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THE THREAT OF
HEAVY RAINFALL HAS DIMINISHED ACROSS THE WARNING AREA. HOWEVER...
SIGNIFICANT FLOODING CONTINUES...AND WILL BE SLOW TO DECREASE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AVOID FLOODED AREAS. DO NOT DRIVE ACROSS FLOODED ROADS.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR
COUNTY EMERGENCY MANAGEMENT.
&&
LAT...LON 3025 8144 3011 8143 3010 8154 3012 8154
3013 8160 3012 8168 3005 8169 3008 8193
3039 8189 3058 8161 3055 8161 3057 8159
3052 8154 3056 8152 3049 8142 3027 8137
3026 8138
$$
WOLFThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 8:26 PM EDT | Flash Flood Warning | JAX | Alachua | 3 hr |
| Jun 26, 8:44 PM EDT | Flash Flood Warning | JAX | Saint Johns | 3 hr |
| Jun 26, 9:19 PM EDT | Special Marine Warning | JAX | 116 min | |
| Jun 26, 9:43 PM EDT | Flash Flood Warning | JAX | Marion, Putnam | 3 hr |
| Jun 26, 10:53 PM EDT | Flash Flood Warning | JAX | Flagler, Saint Johns | 3 hr |
| Jun 27, 12:40 AM EDT | Areal Flood Warning | JAX | Clay, Duval | 6 hr |
| Jun 27, 3:33 AM EDT | Rip Current Statement | JAX | Flagler, Nassau | 17 hr |
| Jun 27, 5:24 AM EDT | Wind Advisory | JAX | Flagler, Nassau | 4 hr |
| Jun 27, 7:20 AM EDT | Coastal Flood Advisory | JAX | Flagler, Nassau | 12 hr |
| Jun 27, 7:20 AM EDT | High Surf Advisory | JAX | Flagler, Nassau | 12 hr |
| Jun 27, 9:42 AM EDT | Lake Wind Advisory | JAX | Flagler, Nassau | 8 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.