Alert archive / Florida / Flash Flood Warnings in 2017
Flash Flood Warning 4, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Aug 1, 2017, 3:47 PM EDT for Miami-Dade County, Florida. It was in force for 118 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 1, 2017, 3:47 PM EDT (19:47 UTC)
- Expired
- Aug 1, 2017, 5:45 PM EDT
- In force
- 118 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 37 km from the middle of the area, began a volume at 19:51 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 1, 3:50 PM EDT | FLASH FLOOD | Miami Beach, FL | NUMEROUS REPORTS OF FLASH FLOODING THROUGHOUT THE CITY OF MIAMI BEACH. LAW ENFORCEMENT REPORTED THAT VEHICLES WERE STRANDED ALONG PORTIONS OF COLLINS RD... INDIANCREEK DRIVE... AND WASHINGTON STREET. THERE WERE ALSO NUMEROUS REPORTS OF FLOODING FROM SOCIAL MED |
| Aug 1, 4:00 PM EDT | FLASH FLOOD | 1 Wsw South Beach, FL | NUMEROUS REPORTS OF FLOOD WATERS ENTERING BUSINESSES... HOMES... APARTMENT LOBBIES AND PARKING GARAGES IN MIAMI BEACH AND SOUTH BEACH FROM SOCIAL MEDIA... AND TV NEWS MEDIA. WATER WAS 1 TO 2 FEET DEEP ON STREETS IN MANY AREAS OF SOUTH BEACH... INCLUDING PURDY |
| Aug 1, 4:35 PM EDT | HEAVY RAIN 7.19 | 1 N Miami Beach, FL | 7.19 INCHES OF RAIN FELL ON AUGUST 1ST DURING THE 24 HOURS FROM MIDNIGHT TO MIDNIGHT AT MESONET SITE EW0888 ON MIAMI BEACH NEAR 56TH STREET JUST EAST OF ALTON ROAD. 6.97 OF THESE INCHES FELL WITHIN 3.5 HOURS FROM 105PM TO 435PM. 3.83 INCHES FELL IN 1 HOUR FROM |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 7.8 hours before the alert went out and 17 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
- 859 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 875 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
751 WGUS52 KMFL 011947 FFWMFL FLC086-012145- /O.NEW.KMFL.FF.W.0004.170801T1947Z-170801T2145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Miami FL 347 PM EDT TUE AUG 1 2017 The National Weather Service in Miami has issued a * Flash Flood Warning for... Eastern Miami-Dade County in southeastern Florida... * Until 545 PM EDT * At 345 PM EDT, local law enforcement reported heavy rain has led to flash flooding across portions of Miami Beach. Up to three to five inches of rain have already fallen. * Some locations that will experience flooding include... Miami, Miami Beach and Fisher Island. Additional rainfall amounts of one to two inches are possible in the warned area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 2586 8010 2575 8008 2576 8017 2585 8014 $$ JT
1 follow-up statement
193 WGUS72 KMFL 012043 FFSMFL Flash Flood Statement National Weather Service Miami FL 443 PM EDT TUE AUG 1 2017 FLC086-012145- /O.CON.KMFL.FF.W.0004.000000T0000Z-170801T2145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Miami-Dade FL- 443 PM EDT TUE AUG 1 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR EASTERN MIAMI-DADE COUNTY... At 436 PM EDT, local law enforcement reported significant road flooding due to heavy rain in Miami Beach. NWS radar estimates up to six inches of rain have already fallen. Flash flooding is expected to continue over the next hour. Some locations that will experience flooding include... Miami Beach and Fisher Island. Although the heaviest rain has passed, additional rainfall amounts of a quarter to half an inch are possible in the warned area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 2586 8010 2575 8008 2576 8017 2585 8014 $$ JT
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 8:11 PM EDT | Special Weather Statement | MFL | Palm Beach | 64 min |
| Jul 31, 8:41 PM EDT | Special Marine Warning | MFL | 64 min | |
| Jul 31, 9:03 PM EDT | Special Marine Warning | MFL | 57 min | |
| Jul 31, 9:09 PM EDT | Special Weather Statement | MFL | Palm Beach | 66 min |
| Jul 31, 9:59 PM EDT | Tornado Warning | MFL | Palm Beach | 31 min |
| Jul 31, 10:16 PM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 59 min |
| Aug 1, 12:09 AM EDT | Areal Flood Advisory | MFL | Collier | 3 hr |
| Aug 1, 12:18 AM EDT | Special Weather Statement | MFL | Collier | 42 min |
| Aug 1, 12:30 AM EDT | Special Marine Warning | MFL | 60 min | |
| Aug 1, 1:02 PM EDT | Special Marine Warning | MFL | 43 min | |
| Aug 1, 1:58 PM EDT | Special Marine Warning | MFL | 62 min | |
| Aug 1, 2:14 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| Aug 1, 3:06 PM EDT | Special Marine Warning | MFL | 24 min | |
| Aug 1, 3:27 PM EDT | Special Marine Warning | MFL | 63 min | |
| Aug 1, 3:59 PM EDT | Special Weather Statement | MFL | Miami-Dade | 61 min |
| Aug 1, 4:19 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| Aug 1, 4:48 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 57 min |
| Aug 1, 5:46 PM EDT | Areal Flood Warning | MFL | Miami-Dade | 4 hr |
Nearby
Flash Flood Warnings in Florida, 2017Every flash flood warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.