Alert archive / Florida / Flash Flood Warnings in 1999
Flash Flood Warning 13, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Oct 15, 1999, 12:30 PM EDT for 4 counties in Florida. It was in force for 3 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, 12:30 PM EDT (16:30 UTC)
- Expired
- Oct 15, 1999, 3:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Miami, FL
- Area
- Whole counties
Counties Broward County, FL, Collier County, FL, Miami-Dade County, FL, Monroe County, FL
The radar
The Miami radar (KAMX), 48 km from the middle of the area, began a volume at 16:33 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
Miami, FL (KMFL), launched 12:00Z, 4.5 hours before the alert went out and 53 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
- 13 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 214 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 151631 FFWMIA FLC011-021-025-087-099-151900- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 1230 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 DADE COUNTY IN SOUTHEASTERN FLORIDA COLLIER COUNTY IN SOUTHWESTERN FLORIDA MONROE MAINLAND IN SOUTHWESTERN FLORIDA * UNTIL 300 PM EDT * AT 1230 PM...RADAR CONTINUED TO INDICATE A LARGE AREA OF MODERATE TO HEAVY RAIN COVERING MUCH OF EXTREME SOUTH FLORIDA. RADAR RAINFALL ESTIMATES INDICATE AMOUNTS OF TWO INCHES PER HOUR FALLING OVER THE SAME AREAS. THE HEAVIEST RAIN IS CURRENTLY OVER MIAMI-DADE...BROWARD AND MAINLAND MONROE COUNTY AND WILL BE MOVING INTO PALM BEACH AND COLLIER COUNTY DURING THE NEXT HOUR. MOVEMENT CONTINUES NORTHWEST AT 20 MPH. 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. (
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 8:31 AM EDT | Flash Flood Warning | MFL | Miami-Dade | 2 hr |
| Oct 15, 10:29 AM EDT | Flash Flood Warning | MFL | Broward | 116 min |
| Oct 15, 10:29 AM EDT | Flash Flood Warning | MFL | Miami-Dade, Monroe | 116 min |
| Oct 15, 10:42 AM EDT | Flash Flood Warning | MFL | Broward, Miami-Dade | 103 min |
| Oct 15, 10:42 AM EDT | Flash Flood Warning | MFL | Monroe | 103 min |
| Oct 15, 12:30 PM EDT | Flash Flood Warning | MFL | Palm Beach | 3 hr |
| Oct 15, 2:41 PM EDT | Flash Flood Warning | MFL | Broward, Collier, Miami-Dade, Palm Beach | 3 hr |
| Oct 15, 2:41 PM EDT | Flash Flood Warning | MFL | Monroe | 3 hr |
| Oct 15, 5:52 PM EDT | Flash Flood Warning | MFL | Broward, Collier, Miami-Dade | 2 hr |
| Oct 15, 5:52 PM EDT | Flash Flood Warning | MFL | Palm Beach | 2 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.