Alert archive / Florida / Flash Flood Warnings in 2004
Flash Flood Warning 8, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Sep 28, 2004, 4:30 PM EDT for Miami-Dade County, Florida. It was in force for 90 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 28, 2004, 4:30 PM EDT (20:30 UTC)
- Expired
- Sep 28, 2004, 6:00 PM EDT
- In force
- 90 min
- Issued by
- NWS Miami, FL
- Area
- Counties, with a storm outline in the text
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 10 km from the middle of the area, began a volume at 20:31 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, 8.5 hours before the alert went out and 21 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
- 1026 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 778 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- -17 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 282032 FFWMIA FLC086-282200- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 430 PM EDT TUE SEP 28 2004 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * FLASH FLOOD WARNING FOR... MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA * UNTIL 600 PM EDT * AT 423 PM EDT...THE PUBLIC REPORTED SIGNIFICANT STREET FLOODING FROM A THUNDERSTORM NEAR KENDALE LAKES...OR ABOUT 7 MILES WEST OF KENDALL...MOVING NORTHEAST AT 5 MPH. DOPPLER RADAR ESTIMATES THAT FIVE TO IN EXCESS OF SIX INCHES OF RAIN HAS FALLEN SINCE EARLY THIS AFTERNOON. NEW THUNDERSTORM DEVELOPMENT IS ALSO OCCURRING OVER THE EVERGLADES WEST OF KROME AVENUE MOVING TO THE NORTHEAST AT 5 MPH. ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE POSSIBLE IN THE WARNED AREA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY THE WATER MAY OBSCURE DEEP CANALS OR PONDS. LAT...LON 2574 8048 2563 8048 2563 8039 2575 8039 $$ KB
1 follow-up statement
000 WGUS72 KMFL 282136 FFSMIA FLC086-282200- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 535 PM EDT TUE SEP 28 2004 ...FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 6 PM... MIAMI DOPPLER RADAR INDICATES THE VERY HEAVY RAIN THAT OCCURRED IN THE KENDALE LAKES VICINITY WAS GRADUALLY TAPERING OFF. THEREFORE...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 6 PM. RADAR ESTIMATES THAT IN EXCESS OF SIX INCHES OF RAIN FELL IN THIS AREA THIS AFTERNOON. ROADWAYS WILL CONTINUE TO HAVE STANDING WATER FOR SEVERAL HOURS BUT WILL BEGIN TO RECEDE DURING THE EARLY EVENING. THE THUNDERSTORMS THAT PROMPTED THE FLASH FLOOD WARNING WERE BEGINNING TO DIMINISH AND ONLY LIGHT AMOUNTS OF ADDITIONAL RAINFALL IS EXPECTED BEFORE DISSIPATING BY AROUND 7 OR 8 PM. $$ KB
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 12:32 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 28 min |
| Sep 28, 12:33 PM EDT | Special Marine Warning | MFL | 57 min | |
| Sep 28, 2:35 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 115 min |
Nearby
Flash Flood Warnings in Florida, 2004Every flash flood warning in 2004
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.