Alert archive / Florida / Flash Flood Warnings in 2020
Flash Flood Warning 33, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at Nov 9, 2020, 12:47 AM EST for Broward County, Miami-Dade County, Florida. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Nov 9, 2020, 12:47 AM EST (05:47 UTC)
- Expired
- Nov 9, 2020, 5:00 AM EST
- In force
- 4 hr
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Broward County, FL, Miami-Dade County, FL
The radar
The Miami radar (KAMX), 23 km from the middle of the area, began a volume at 05:47 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 00:00Z, 5.8 hours before the alert went out and 4 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
- 241 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 516 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
004
WGUS52 KMFL 090547
FFWMFL
FLC011-086-091000-
/O.NEW.KMFL.FF.W.0033.201109T0547Z-201109T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Miami FL
1247 AM EST Mon Nov 9 2020
The National Weather Service in Miami has issued a
* Flash Flood Warning for...
Southern Broward County in southeastern Florida...
Northern Miami-Dade County in southeastern Florida...
* Until 500 AM EST.
* At 1247 AM EST, Doppler radar indicated another heavy rain band is
developing over Northern Miami-Dade and over Southern Miami-Dade
County. Rainfall amounts of 3 and 6 inches have falle from the
earlier rain bands. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Miami, Hialeah, Hollywood, Miramar, Miami Beach, Homestead, Coral
Gables, Key Biscayne, South Miami, Surfside, Kendall, Black Point,
Virginia Key, The Redland, Homestead Miami Speedway, Miami
Gardens, Turkey Point, Hallandale, North Miami and Doral.
Additional rainfall amounts of 3 to 5 inches are possible in the
warned area with these rain bands that are developing over
Miami-Dade county.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses
as well as other drainage areas and low lying spots.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 2598 8043 2599 8043 2599 8012 2599 8006
2598 8006 2536 8021 2536 8024 2540 8056
FLASH FLOOD...RADAR INDICATED
$$
BAXTER2 follow-up statements
389
WGUS72 KMFL 090637
FFSMFL
Flash Flood Statement
National Weather Service Miami FL
137 AM EST Mon Nov 9 2020
FLC011-086-091000-
/O.CON.KMFL.FF.W.0033.000000T0000Z-201109T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Broward FL-Miami-Dade FL-
137 AM EST Mon Nov 9 2020
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 5 AM EST EARLY THIS
MORNING FOR SOUTHERN BROWARD AND NORTHERN MIAMI-DADE COUNTIES...
At 137 AM EST, Doppler radar continue to indicate a heavy rain band
moving slowly northward over Northern Miami-Dade County where 1 to 2
inches of rainfall has fallen during the last hour, which it turn
allowed for the rainfall total to increased to 3 and 6 inches from
the earlier heavy rain bands. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Miami, Hialeah, Hollywood, Miramar, Miami Beach, Homestead, Coral
Gables, Key Biscayne, South Miami, Surfside, Kendall, Black Point,
Virginia Key, The Redland, Homestead Miami Speedway, Miami
Gardens, Turkey Point, Hallandale, North Miami and Doral.
Additional rainfall amounts of 3 to 5 inches are possible in the
warned area with this slow north moving heavy rain band.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses
as well as other drainage areas and low lying spots.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 2598 8043 2599 8043 2599 8012 2599 8006
2598 8006 2536 8021 2536 8024 2540 8056
FLASH FLOOD...RADAR INDICATED
$$
BAXTER413
WGUS72 KMFL 090920
FFSMFL
Flash Flood Statement
National Weather Service Miami FL
420 AM EST Mon Nov 9 2020
FLC011-086-091000-
/O.CON.KMFL.FF.W.0033.000000T0000Z-201109T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Broward FL-Miami-Dade FL-
420 AM EST Mon Nov 9 2020
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 5 AM EST EARLY THIS
MORNING FOR SOUTHERN BROWARD AND NORTHERN MIAMI-DADE COUNTIES...
At 420 AM EST, Doppler radar indicated another band of heavy rains
developing over the Atlantic waters of South Florida moving west
northwest towards Miami-Dade County. As this band of heavy rains
moves into the region addtional rainfall amounts of 2 to 4 inches
are possible on the already 3 to 6 inches that has fallen from
previous heavy rains overnight. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Miami, Hialeah, Hollywood, Miramar, Miami Beach, Homestead, Coral
Gables, Key Biscayne, South Miami, Surfside, Kendall, Black Point,
Virginia Key, The Redland, Homestead Miami Speedway, Miami
Gardens, Turkey Point, Hallandale, North Miami and Doral.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses
as well as other drainage areas and low lying spots.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 2598 8043 2599 8043 2599 8012 2599 8006
2598 8006 2536 8021 2536 8024 2540 8056
FLASH FLOOD...RADAR INDICATED
$$
BAXTERThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 8, 7:37 PM EST | Special Marine Warning | MFL | 53 min | |
| Nov 8, 7:44 PM EST | Flash Flood Warning | MFL | Broward, Palm Beach | 9 hr |
| Nov 8, 7:59 PM EST | Special Marine Warning | MFL | 91 min | |
| Nov 8, 8:47 PM EST | Special Weather Statement | MFL | Broward | 43 min |
| Nov 8, 9:35 PM EST | Special Marine Warning | MFL | 85 min | |
| Nov 8, 10:08 PM EST | Flash Flood Warning | MFL | Miami-Dade | 4 hr |
| Nov 8, 10:48 PM EST | Areal Flood Warning | MFL | Palm Beach | 16 min |
| Nov 8, 10:59 PM EST | Special Weather Statement | MFL | Broward | 46 min |
| Nov 8, 11:01 PM EST | Special Marine Warning | MFL | 89 min | |
| Nov 8, 11:04 PM EST | Flash Flood Warning | MFL | Palm Beach | 3 hr |
| Nov 8, 11:56 PM EST | Special Marine Warning | MFL | 2 hr | |
| Nov 9, 12:05 AM EST | Special Marine Warning | MFL | 85 min | |
| Nov 9, 12:14 AM EST | Special Weather Statement | MFL | Palm Beach | 46 min |
| Nov 9, 1:00 AM EST | Special Weather Statement | MFL | Palm Beach | 45 min |
| Nov 9, 1:15 AM EST | Special Weather Statement | MFL | Miami-Dade | 30 min |
| Nov 9, 1:31 AM EST | Areal Flood Advisory | MFL | Palm Beach | 3 hr |
| Nov 9, 2:34 AM EST | Special Weather Statement | MFL | Broward | 41 min |
| Nov 9, 2:53 AM EST | Special Weather Statement | MFL | Palm Beach | 52 min |
| Nov 9, 3:24 AM EST | Special Weather Statement | MFL | Palm Beach | 51 min |
| Nov 9, 3:41 AM EST | Areal Flood Advisory | MFL | Collier, Hendry | 7 hr |
| Nov 9, 3:44 AM EST | Special Marine Warning | MFL | 91 min | |
| Nov 9, 4:02 AM EST | Flash Flood Warning | MFL | Palm Beach | 3 hr |
| Nov 9, 4:20 AM EST | Special Weather Statement | MFL | Palm Beach | 40 min |
| Nov 9, 4:42 AM EST | Flash Flood Warning | MFL | Broward, Miami-Dade | 10 hr |
| Nov 9, 4:46 AM EST | Special Weather Statement | MFL | Monroe | 44 min |
| Nov 9, 5:18 AM EST | Flash Flood Warning | MFL | Broward, Miami-Dade | 3 hr |
| Nov 9, 5:58 AM EST | Special Weather Statement | MFL | Collier | 47 min |
| Nov 9, 6:01 AM EST | Special Marine Warning | MFL | 119 min | |
| Nov 9, 6:46 AM EST | Areal Flood Warning | MFL | Palm Beach | 3 hr |
| Nov 9, 9:11 AM EST | Special Weather Statement | MFL | Broward | 49 min |
| Nov 9, 9:14 AM EST | Special Weather Statement | MFL | Monroe | 46 min |
| Nov 9, 9:53 AM EST | Small Craft Advisory | MFL | 69 hr | |
| Nov 9, 9:57 AM EST | Special Weather Statement | MFL | Collier, Hendry, Monroe | 93 min |
| Nov 9, 10:07 AM EST | High Surf Advisory | MFL | Palm Beach | 15 hr |
| Nov 9, 10:46 AM EST | Areal Flood Advisory | MFL | Collier, Hendry | 3 hr |
| Nov 9, 10:57 AM EST | Special Marine Warning | MFL | 32 min | |
| Nov 9, 11:27 AM EST | Special Weather Statement | MFL | Collier | 93 min |
| Nov 9, 2:46 PM EST | Areal Flood Warning | MFL | Broward, Miami-Dade, Palm Beach | 16 hr |
| Nov 9, 5:37 PM EST | Special Weather Statement | MFL | Hendry | 38 min |
Nearby
Flash Flood Warnings in Florida, 2020Every flash flood warning in 2020
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.