Alert archive / Florida / Flash Flood Warnings in 2020
Flash Flood Warning 8, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at May 25, 2020, 6:39 PM EDT for Palm Beach County, Florida. It was in force for 3 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
- May 25, 2020, 6:39 PM EDT (22:39 UTC)
- Expired
- May 25, 2020, 9:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 145 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.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 10.7 hours before the alert went out and 120 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
- 961 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 607 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted.
269
WGUS52 KMFL 252239
FFWMFL
FLC099-260130-
/O.NEW.KMFL.FF.W.0008.200525T2239Z-200526T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Miami FL
639 PM EDT Mon May 25 2020
The National Weather Service in Miami has issued a
* Flash Flood Warning for...
Northeastern Palm Beach County in southeastern Florida...
* Until 930 PM EDT.
* At 637 PM EDT, Doppler radar indicated slow moving thunderstorms
producing heavy rain across the warned area. RAINFALL AMOUNTS of 3
to 5 inches have fallen over this area from earlier thunderstorms
today. Additional rainfall a mounts of 1 to 3 inches are expected
from the ongoing slow moving thunderstorms. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
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 flooding include...
West Palm Beach, Jupiter, Palm Beach Gardens, Riviera Beach and
Palm Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other 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 2697 8003 2669 8003 2670 8023 2696 8023
2696 8014 2697 8014
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN THE NEXT COUPLE OF HOURS
$$
BAXTER1 follow-up statement
390
WGUS72 KMFL 260030
FFSMFL
Flash Flood Statement
National Weather Service Miami FL
830 PM EDT Mon May 25 2020
FLC099-260130-
/O.CON.KMFL.FF.W.0008.000000T0000Z-200526T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Palm Beach FL-
830 PM EDT Mon May 25 2020
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR
NORTHEASTERN PALM BEACH COUNTY...
At 827 PM EDT, Doppler radar indicated that the thunderstorms
produced the heavy rains across the warned area have moved out of
the area. However, rainfall amounts of 3 to 5 inches have fallen
from the earlier thunderstorms that will take some time to drain
away. Therefore, the flash warning will remain in effect for the
area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other drainage
and low lying areas.
Some locations that will experience flooding include...
West Palm Beach, Jupiter, Palm Beach Gardens, Riviera Beach and Palm
Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
While the heavy rainfall has ended, flooding remains a threat around
canals and streams, highways, streets, and underpasses as well as
other drainage areas and low lying spots.
&&
LAT...LON 2697 8003 2669 8003 2670 8023 2696 8023
2696 8014 2697 8014
FLASH FLOOD...RADAR INDICATED
$$
BAXTERThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 8:41 PM EDT | Special Marine Warning | MFL | 94 min | |
| May 24, 9:13 PM EDT | Special Weather Statement | MFL | Miami-Dade | 17 min |
| May 25, 12:49 AM EDT | Special Marine Warning | MFL | 56 min | |
| May 25, 1:21 AM EDT | Special Weather Statement | MFL | Miami-Dade | 54 min |
| May 25, 1:27 AM EDT | Tornado Warning | MFL | Miami-Dade | 33 min |
| May 25, 1:39 AM EDT | Special Weather Statement | MFL | Miami-Dade | 66 min |
| May 25, 1:51 AM EDT | Special Weather Statement | MFL | Miami-Dade | 54 min |
| May 25, 2:40 AM EDT | Special Weather Statement | MFL | Broward | 65 min |
| May 25, 2:53 AM EDT | Areal Flood Advisory | MFL | Miami-Dade | 12 hr |
| May 25, 3:33 AM EDT | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| May 25, 4:53 AM EDT | Special Weather Statement | MFL | Miami-Dade | 52 min |
| May 25, 4:57 AM EDT | Special Weather Statement | MFL | Miami-Dade | 48 min |
| May 25, 6:20 AM EDT | Areal Flood Advisory | MFL | Miami-Dade | 4 hr |
| May 25, 6:20 AM EDT | Special Marine Warning | MFL | 85 min | |
| May 25, 6:55 AM EDT | Special Weather Statement | MFL | Miami-Dade | 50 min |
| May 25, 7:02 AM EDT | Special Marine Warning | MFL | 43 min | |
| May 25, 7:17 AM EDT | Special Weather Statement | MFL | Martin | 13 min |
| May 25, 7:28 AM EDT | Special Marine Warning | MFL | 2 hr | |
| May 25, 7:40 AM EDT | Special Marine Warning | MFL | 95 min | |
| May 25, 7:43 AM EDT | Special Weather Statement | MFL | Palm Beach | 47 min |
| May 25, 8:08 AM EDT | Special Weather Statement | MFL | Miami-Dade | 52 min |
| May 25, 8:35 AM EDT | Special Weather Statement | MFL | Palm Beach | 40 min |
| May 25, 8:53 AM EDT | Areal Flood Advisory | MFL | Palm Beach | 4 hr |
| May 25, 9:02 AM EDT | Special Weather Statement | MFL | Miami-Dade | 43 min |
| May 25, 9:11 AM EDT | Special Marine Warning | MFL | 64 min | |
| May 25, 9:23 AM EDT | Special Marine Warning | MFL | 67 min | |
| May 25, 9:47 AM EDT | Special Marine Warning | MFL | 28 min | |
| May 25, 10:19 AM EDT | Special Marine Warning | MFL | 86 min | |
| May 25, 10:33 AM EDT | Special Marine Warning | MFL | 57 min | |
| May 25, 11:42 AM EDT | Special Marine Warning | MFL | 63 min | |
| May 25, 12:27 PM EDT | Special Weather Statement | MFL | Miami-Dade | 48 min |
| May 25, 12:43 PM EDT | Special Marine Warning | MFL | 2 hr | |
| May 25, 12:44 PM EDT | Special Marine Warning | MFL | 61 min | |
| May 25, 1:02 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 118 min |
| May 25, 1:17 PM EDT | Special Weather Statement | MFL | Miami-Dade | 43 min |
| May 25, 1:40 PM EDT | Special Marine Warning | MFL | 65 min | |
| May 25, 2:01 PM EDT | Special Weather Statement | MFL | Miami-Dade | 44 min |
| May 25, 2:17 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 28 min |
| May 25, 2:23 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 6 hr |
| May 25, 2:46 PM EDT | Special Weather Statement | MFL | Miami-Dade | 44 min |
| May 25, 2:48 PM EDT | Special Marine Warning | MFL | 57 min | |
| May 25, 2:52 PM EDT | Special Marine Warning | MFL | 83 min | |
| May 25, 3:17 PM EDT | Areal Flood Advisory | MFL | Broward | 3 hr |
| May 25, 3:33 PM EDT | Special Weather Statement | MFL | Broward | 57 min |
| May 25, 3:40 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| May 25, 3:46 PM EDT | Special Marine Warning | MFL | 89 min | |
| May 25, 4:04 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| May 25, 4:07 PM EDT | Special Marine Warning | MFL | 98 min | |
| May 25, 4:28 PM EDT | Flash Flood Warning | MFL | Broward | 4 hr |
| May 25, 4:32 PM EDT | Special Weather Statement | MFL | Miami-Dade | 43 min |
| May 25, 4:44 PM EDT | Special Marine Warning | MFL | 61 min | |
| May 25, 4:49 PM EDT | Areal Flood Advisory | MFL | Broward, Palm Beach | 3 hr |
| May 25, 5:11 PM EDT | Special Marine Warning | MFL | 64 min | |
| May 25, 5:32 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 3 hr |
| May 25, 5:47 PM EDT | Special Marine Warning | MFL | 58 min | |
| May 25, 6:00 PM EDT | Special Weather Statement | MFL | Broward | 45 min |
| May 25, 6:13 PM EDT | Special Marine Warning | MFL | 62 min | |
| May 25, 6:24 PM EDT | Areal Flood Advisory | MFL | Broward | 3 hr |
| May 25, 6:43 PM EDT | Special Marine Warning | MFL | 62 min | |
| May 25, 6:47 PM EDT | Special Weather Statement | MFL | Broward | 43 min |
| May 25, 7:15 PM EDT | Special Marine Warning | MFL | 90 min | |
| May 25, 7:33 PM EDT | Areal Flood Advisory | MFL | Broward, Palm Beach | 3 hr |
| May 25, 7:51 PM EDT | Special Marine Warning | MFL | 54 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.