Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 11, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Nov 18, 2021, 5:39 PM EST for Miami-Dade County, Florida. It was in force for 4 hr. 4 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
- Nov 18, 2021, 5:39 PM EST (22:39 UTC)
- Expired
- Nov 18, 2021, 10:00 PM EST
- In force
- 4 hr
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 31 km from the middle of the area, began a volume at 22:42 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 |
|---|---|---|---|
| Nov 18, 5:41 PM EST | FLASH FLOOD | 1 Nne Miami, FL | WSVN REPORTED SEVERAL VEHICLES STRANDED IN FLOOD WATERS ALONG BISCAYNE BLVD NEAR THE ADRIENNE ARSHT CENTER VIA SOCIAL MEDIA. |
| Nov 18, 5:59 PM EST | FLOOD | 1 Se Liberty City, FL | PUBLIC REPORTED FLOODING VIA SOCIAL MEDIA ON INTERSTATE 195 NEAR THE INTERSTATE 95 INTERCHANGE BLOCKING THE FAR RIGHT EASTBOUND LANE OF TRAFFIC. |
| Nov 18, 6:13 PM EST | FLOOD | 2 Ssw Miami Beach, FL | PUBLIC REPORTED FLOODING VIA SOCIAL MEDIA NEAR THE INTERSECTION OF ALTON ROAD AND 10TH STREET. SEVERAL INCHES OF STANDING WATER WERE VISIBLE OVER THE CURB, SIDEWALK, AND PART OF THE ROADWAY. WATER WAS ROUGHLY ABOUT HALFWAY UP THE TIRES OF CARS. |
| Nov 18, 6:29 PM EST | FLASH FLOOD | 1 Nne Miami, FL | BROADCAST METEOROLOGIST REPORTS FLASH FLOOD VIA SOCIAL MEDIA AT THE INTERSECTION OF BISCAYNE BLVD & NE 11TH ST IN DOWNTOWN MIAMI. SEVERAL STALLED-OUT VEHICLES ARE PRESENT IN THE PHOTO PROVIDED, WITH WATER COMPLETELY OBSCURING CAR TIRES. CURBS AND AN ADJACENT S |
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, 10.7 hours before the alert went out and 16 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
- 393 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 892 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted.
001
WGUS52 KMFL 182239
FFWMFL
FLC086-190030-
/O.NEW.KMFL.FF.W.0011.211118T2239Z-211119T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Miami FL
539 PM EST Thu Nov 18 2021
The National Weather Service in Miami has issued a
* Flash Flood Warning for...
Miami-Dade County in southeastern Florida...
* Until 730 PM EST.
* At 539 PM EST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 3 inches of rain have
fallen. Additional rainfall amounts of 1 to 3 inches are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Miami, Miami Beach, Key Biscayne, Virginia Key, North Bay Village,
Fisher Island, Port Of Miami, Downtown Miami, Marlins Park, Little
Haiti, Liberty City, Gladeview and Allapattah.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Please report flooding to your local law enforcement agency when you
can do so safely. You can also share your report with NWS Miami on
Facebook and Twitter.
&&
LAT...LON 2573 8023 2583 8023 2586 8014 2588 8008
2572 8007 2571 8007 2569 8007 2569 8023
FLASH FLOOD...RADAR INDICATED
$$
RAG3 follow-up statements
311
WGUS72 KMFL 182250
FFSMFL
Flash Flood Statement
National Weather Service Miami FL
550 PM EST Thu Nov 18 2021
FLC086-190030-
/O.CON.KMFL.FF.W.0011.000000T0000Z-211119T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Miami-Dade FL-
550 PM EST Thu Nov 18 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM EST THIS
EVENING FOR MIAMI-DADE COUNTY...
At 550 PM EST, the public reported thunderstorms producing heavy
rain across the warned area. Up to 3 inches of rain have fallen.
Additional rainfall amounts of 1 to 3 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Public reported.
IMPACT...Flash flooding of urban areas, highways, streets and
underpasses as well as other poor drainage and low-lying
areas.
Some locations that will experience flash flooding include...
Miami, Miami Beach, Key Biscayne, Virginia Key, North Bay Village,
Fisher Island, Port Of Miami, Downtown Miami, Marlins Park, Little
Haiti, Liberty City, Gladeview and Allapattah.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Please report flooding to your local law enforcement agency when you
can do so safely. You can also share your report with NWS Miami on
Facebook and Twitter.
&&
LAT...LON 2573 8023 2583 8023 2586 8014 2588 8008
2572 8007 2571 8007 2569 8007 2569 8023
FLASH FLOOD...OBSERVED
$$
RAG953
WGUS52 KMFL 182339
FFWMFL
FLC086-190130-
/O.EXT.KMFL.FF.W.0011.000000T0000Z-211119T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Miami FL
639 PM EST Thu Nov 18 2021
The National Weather Service in Miami has extended the
* Flash Flood Warning for...
Miami-Dade County in southeastern Florida...
* Until 830 PM EST.
* At 639 PM EST, the public reported thunderstorms producing heavy
rain across the warned area. Up to 3 inches of rain have fallen.
Additional rainfall amounts up to 2 inches are possible in the
warned area. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Public reported.
IMPACT...Flash flooding of urban areas, highways, streets and
underpasses as well as other poor drainage and low-
lying areas.
* Some locations that will experience flash flooding include...
Miami, Miami Beach, Key Biscayne, Virginia Key, North Bay Village,
Fisher Island, Port Of Miami, Downtown Miami, Marlins Park, Little
Haiti, Liberty City, Gladeview and Allapattah.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Please report flooding to your local law enforcement agency when you
can do so safely. You can also share your report with NWS Miami on
Facebook and Twitter.
&&
LAT...LON 2573 8023 2583 8023 2586 8014 2588 8008
2572 8007 2571 8007 2569 8007 2569 8023
FLASH FLOOD...OBSERVED
$$
RAG961
WGUS52 KMFL 190111
FFWMFL
FLC086-190300-
/O.EXT.KMFL.FF.W.0011.000000T0000Z-211119T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Miami FL
811 PM EST Thu Nov 18 2021
The National Weather Service in Miami has extended the
* Flash Flood Warning for...
Miami-Dade County in southeastern Florida...
* Until 1000 PM EST.
* At 811 PM EST, the public reported flash flooding across the
warned area. Up to 4 inches of rain have fallen. Flash flooding is
already occurring.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Public reported.
IMPACT...Flash flooding of urban areas, highways, streets and
underpasses as well as other poor drainage and low-
lying areas.
* Some locations that will experience flash flooding include...
Miami, Miami Beach, Key Biscayne, Virginia Key, North Bay Village,
Fisher Island, Port Of Miami, Downtown Miami, Marlins Park, Little
Haiti, Liberty City, Gladeview and Allapattah.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Please report flooding to your local law enforcement agency when you
can do so safely. You can also share your report with NWS Miami on
Facebook and Twitter.
&&
LAT...LON 2573 8023 2583 8023 2586 8014 2588 8008
2572 8007 2571 8007 2569 8007 2569 8023
FLASH FLOOD...OBSERVED
$$
RAGThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 1:04 PM EST | Special Weather Statement | MFL | Miami-Dade | 56 min |
| Nov 18, 1:53 PM EST | Special Weather Statement | MFL | Miami-Dade | 67 min |
| Nov 18, 2:23 PM EST | Special Marine Warning | MFL | 97 min | |
| Nov 18, 3:00 PM EST | Areal Flood Advisory | MFL | Miami-Dade | 5 hr |
| Nov 18, 3:04 PM EST | Special Marine Warning | MFL | 56 min | |
| Nov 18, 3:17 PM EST | Special Weather Statement | MFL | Miami-Dade | 43 min |
| Nov 18, 4:21 PM EST | Areal Flood Advisory | MFL | Broward, Miami-Dade | 4 hr |
| Nov 18, 4:48 PM EST | Special Weather Statement | MFL | Miami-Dade | 42 min |
Nearby
Flash Flood Warnings in Florida, 2021Every flash flood warning in 2021
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.