Alert archive / Florida / Flash Flood Warnings in 2008
Flash Flood Warning 13, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Aug 20, 2008, 12:36 AM EDT for Glades County, Florida. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 20, 2008, 12:36 AM EDT (04:36 UTC)
- Expired
- Aug 20, 2008, 6:30 AM EDT
- In force
- 6 hr
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Glades County, FL
The radar
The Melbourne radar (KMLB), 132 km from the middle of the area, began a volume at 04:36 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.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 4.6 hours before the alert went out and 148 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
- 428 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS52 KMFL 200436
FFWMFL
FLC043-201030-
/O.NEW.KMFL.FF.W.0013.080820T0436Z-080820T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1236 AM EDT WED AUG 20 2008
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* FLASH FLOOD WARNING FOR...
GLADES COUNTY IN SOUTHERN FLORIDA...
THIS INCLUDES THE CITIES OF...PALMDALE...MOORE HAVEN...LAKEPORT...
* UNTIL 630 AM EDT
* AT 1220 AM EDT...EMERGENCY OF OPERATION CENTER OFFICIALS REPORTED
THAT WATER WAS CONTINUING TO RISE IN THE MUSE...ORTONA...AND
PALMDALE AREAS. LOCAL FIRE DEPARTMENTS HAVE BEEN SAND BAGGING
THREATENED HOMES. ALSO...HIGHWAY 74 HAS BEEN CLOSED AND THAT
PORTIONS OF HIGHWAY 29 AND WEST 78 HAVE WATER COVERING PARTS OF
THE HIGHWAY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORTONA...
MUSE...BUCKHEAD RIDGE AND BRIGHTON SEMINOLE INDIAN
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. THE WATER MAY OBSCURE DEEP CANALS OR PONDS.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO A SAFER LOCATION IMMEDIATELY.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN ALSO CALL THE
NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT 305.229.4528 TO REPORT
FLOODING.
LAT...LON 2716 8087 2705 8097 2698 8108 2692 8107
2693 8110 2689 8111 2683 8106 2682 8095
2678 8095 2678 8157 2703 8156 2703 8129
2705 8127 2713 8126 2713 8117 2720 8117
2720 8091
$$
JRThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 9:44 PM EDT | Areal Flood Advisory | MFL | Hendry | 3 hr |
| Aug 19, 10:45 PM EDT | Special Marine Warning | MFL | 90 min | |
| Aug 20, 6:31 AM EDT | Areal Flood Warning | MFL | Glades | 12 hr |
| Aug 20, 8:50 AM EDT | Special Marine Warning | MFL | 55 min | |
| Aug 20, 11:01 AM EDT | Special Marine Warning | MFL | 59 min | |
| Aug 20, 11:04 AM EDT | Special Weather Statement | MFL | Broward | 56 min |
| Aug 20, 11:53 AM EDT | Special Marine Warning | MFL | 67 min | |
| Aug 20, 12:12 PM EDT | Special Marine Warning | MFL | 63 min | |
| Aug 20, 12:37 PM EDT | Special Marine Warning | MFL | 53 min | |
| Aug 20, 12:52 PM EDT | Special Marine Warning | MFL | 53 min | |
| Aug 20, 1:19 PM EDT | Areal Flood Warning | MFL | Hendry | 8 hr |
| Aug 20, 1:41 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Aug 20, 1:44 PM EDT | Special Weather Statement | MFL | Miami-Dade | 61 min |
| Aug 20, 2:31 PM EDT | Special Marine Warning | MFL | 89 min | |
| Aug 20, 2:58 PM EDT | Special Weather Statement | MFL | Miami-Dade | 62 min |
| Aug 20, 3:44 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Aug 20, 7:59 PM EDT | Areal Flood Warning | MFL | Glades, Hendry | 4 days |
Nearby
Flash Flood Warnings in Florida, 2008Every flash flood warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.