Alert archive / Florida / Flash Flood Warnings in 1998
Flash Flood Warning 3, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Nov 5, 1998, 1:06 AM EST for Palm Beach County, Florida. It was in force for 2 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
- Nov 5, 1998, 1:06 AM EST (06:06 UTC)
- Expired
- Nov 5, 1998, 3:10 AM EST
- In force
- 2 hr
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Palm Beach County, FL
The nearest sounding before it
Miami, FL (KMFL), launched 00:00Z, 6.1 hours before the alert went out and 93 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
- 110 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 853 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 367 m²/s²
- 0-3 km storm-relative helicity
- 607 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 17.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 050608 FFWMIA FLC011-025-099-050810- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 106 AM EST THU NOV 5 1998 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * FLOOD WARNING FOR... PALM BEACH COUNTY IN SOUTHEASTERN FLORIDA BROWARD COUNTY IN SOUTHEASTERN FLORIDA EASTERN DADE COUNTY IN SOUTHEASTERN FLORIDA * UNTIL 310 AM EST * AT 105 AM EST MIAMI DOPPLER RADAR INDICATED THAT AS MUCH AS 4 TO 6 INCHES OF RAIN HAS FALLEN ACROSS MUCH OF EASTERN PALM BEACH... EASTERN BROWARD...AND NORTHEASTERN MIAMI-DADE COUNTIES. HEAVY RAINFALL IS CONTINUING ACROSS A LARGE PART OF THIS AREA AND FLOODING OF STREETS AND UNDERPASSES IS OCCURRING ACROSS A LARGE AREA. WATER AS HIGH AS CAR HOODS HAS BEEN REPORTED IN SOME AREAS. 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 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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Nov 4, 7:35 PM EST, 5 hours 31 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
735 PM EDT WED NOV 04 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0630 PM KEY LARGO FL TORNADO
11/04/98 MONROE *** 20 INJ ESTIMATED ***
MONROE EOC REPORTS LOTS OF
MINOR INJURIES AND A FEW
MAJOR INJURIES AT THE
CALUSA COVE AND RIVIERA
CAMPGROUNDS ON KEY LARGO
NEAR LAKE SURPRISE.The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 4, 9:31 PM EST | Severe Thunderstorm Warning | MFL | Collier | 44 min |
| Nov 4, 10:16 PM EST | Severe Thunderstorm Warning | MFL | Collier | 44 min |
| Nov 4, 10:58 PM EST | Tornado Warning | MFL | Collier | 32 min |
| Nov 4, 11:43 PM EST | Tornado Warning | MFL | Broward | 32 min |
| Nov 5, 12:13 AM EST | Severe Thunderstorm Warning | MFL | Palm Beach | 32 min |
| Nov 5, 1:06 AM EST | Flash Flood Warning | MFL | Broward, Miami-Dade | 2 hr |
Nearby
Flash Flood Warnings in Florida, 1998Every flash flood warning in 1998
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.