Alert archive / Florida / Flash Flood Warnings in 1999
Flash Flood Warning 19, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Oct 15, 1999, 8:08 PM EDT for Broward County, Collier County, Palm Beach County, Florida. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 15, 1999, 8:08 PM EDT (00:08 UTC)
- Expired
- Oct 16, 1999, 12:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Miami, FL
- Area
- Whole counties
Counties Broward County, FL, Collier County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 84 km from the middle of the area, began a volume at 00:08 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
Key West, FL (KEYW), launched 00:00Z, 0.1 hours before the alert went out and 216 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
- 253 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 160008 FFWMIA FLC011-021-099-160400- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 808 PM EDT FRI OCT 15 1999 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * FLOOD WARNING FOR... PALM BEACH COUNTY IN SOUTHEASTERN FLORIDA BROWARD COUNTY IN SOUTHEASTERN FLORIDA EASTERN COLLIER COUNTY IN SOUTHWESTERN FLORIDA * UNTIL MIDNIGHT EDT * AT 805 PM EDT...DOPPLER RADAR CONTINUED TO INDICATE RAINBANDS ...ASSOCIATED WITH HURRICANE IRENE...MOVING ACROSS METROPOLITAN AREAS OF BROWARD AND PALM BEACH COUNTIES AS WELL AS OVER EXTREME EASTERN SECTIONS OF COLLIER COUNTY. THESE RAINBANDS CONTAIN VERY HEAVY RAINS WITH RAINFALL RATES OF UP TO TWO INCHES PER HOUR. ADDITIONAL ACCUMULATIONS OF UP TO FOUR INCHES ARE POSSIBLE THROUGH THE MIDNIGHT. FOR THIS REASON A FLOOD WARNING CONTINUES IN EFFECT FOR BROWARD...PALM BEACH AND EASTERN COLLIER COUNTIES THROUGH MIDNIGHT. THE HEAVIEST RAIN WAS OVER METROPOLITAN SECTIONS OF BROWARD AND SOUTHEAST SECTIONS OF PALM BEACH COUNTY. THIS RAIN AREA WILL CONTINUE TO SPREAD NORTHWARD AS IRENE CONTINUES ITS NORTHWARD TRACK ACROSS SOUTHEAST FLORIDA THIS EVENING. A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. DO NOT DRIVE INTO AREAS OF PONDING WATER OF UNKNOWN DEPTH. IF FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP OR TO FLOODING WHEN WATER BEGINS R~ISING.
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 10:06 PM EDT | Flash Flood Warning | MFL | Broward, Palm Beach | 4 hr |
Nearby
Flash Flood Warnings in Florida, 1999Every flash flood warning in 1999
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.