Alert archive / Florida / Flash Flood Warnings in 2020

Flash Flood Warning 7, NWS Miami, FL

May 25, 2020Broward County, Florida

NWS Miami, FL issued this flash flood warning at May 25, 2020, 4:28 PM EDT for Broward County, Florida. It was in force for 4 hr. 1 report 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
May 25, 2020, 4:28 PM EDT (20:28 UTC)
Expired
May 25, 2020, 8:30 PM EDT
In force
4 hr
Issued by
NWS Miami, FL
Area
Storm-based polygon
Flood severity
None

County Broward County, FL

What was reported inside it

TimeReportWhereRemark
May 25, 4:58 PM EDTFLASH FLOOD2 Ese Hollywood, FLBROADCAST MEDIA REPORTED SIGNIFICANT FLOODING NEAR THE HOLLYWOOD BEACH GOLF CLUB WITH IMPASSABLE STREETS.

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, 8.5 hours before the alert went out and 22 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.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 12:00Z on 2020-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 961 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2020-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted.

499 
WGUS52 KMFL 252028
FFWMFL
FLC011-252330-
/O.NEW.KMFL.FF.W.0007.200525T2028Z-200525T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Miami FL
428 PM EDT Mon May 25 2020

The National Weather Service in Miami has issued a

* Flash Flood Warning for...
  Southern Broward County in southeastern Florida...

* Until 730 PM EDT.

* At 426 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain moving into Southern Broward County from Northern Miami-
  Dade County. Up to three inches of rain have already fallen over 
  this area from earlier slow moving thunderstorms. Additional 
  rainfall amounts of 1 to 3 inches are expected from the new 
  thunderstorms moving into the area. 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...
  Fort Lauderdale, Pembroke Pines, Hollywood, Miramar and Davie. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 2596 8005 2596 8013 2597 8012 2597 8029
      2596 8030 2596 8035 2612 8034 2607 8004

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

BAXTER
2 follow-up statements
962 
WGUS72 KMFL 252148
FFSMFL

Flash Flood Statement
National Weather Service Miami FL
548 PM EDT Mon May 25 2020

FLC011-252330-
/O.CON.KMFL.FF.W.0007.000000T0000Z-200525T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Broward FL-
548 PM EDT Mon May 25 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR
SOUTHERN BROWARD COUNTY...

At 547 PM EDT, Doppler radar indicated there are still slow moving 
thunderstorms moving through Southern Broward County producing heavy 
rain across the warned area. Up to three inches of rain have already 
fallen, and additional rainfall amounts of 1 to 2 inches are still 
expected in the warning area. 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...
Fort Lauderdale, Pembroke Pines, Hollywood, Miramar and Davie. 


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, 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 2596 8005 2596 8013 2597 8012 2597 8029
      2596 8030 2596 8035 2612 8034 2607 8004

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

BAXTER
515 
WGUS52 KMFL 252322
FFWMFL
FLC011-260030-
/O.EXT.KMFL.FF.W.0007.000000T0000Z-200526T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Miami FL
722 PM EDT Mon May 25 2020

The National Weather Service in Miami has extended the

* Flash Flood Warning for...
  Southern Broward County in southeastern Florida...

* Until 830 PM EDT.

* At 720 PM EDT, Doppler radar indicated slow moving thunderstorms 
  producing heavy rain across approaching the warned area from 
  western metro areas of Broward County. Rainfall amounts of 1 to 3 
  inches are possible with these new thunderstorms on top of the 
  already rainfall amounts of 2 to 4 inches from the earlier 
  thunderstorms. These new rainfall amounts will exasperated ongoing 
  flooding over this 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...
  Fort Lauderdale, Pembroke Pines, Hollywood, Miramar and Davie. 

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, 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 2596 8005 2596 8013 2597 8012 2597 8029
      2596 8030 2596 8035 2612 8034 2607 8004

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 1 HOUR

$$

BAXTER

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 8:41 PM EDTSpecial Marine WarningMFL94 min
May 24, 9:13 PM EDTSpecial Weather StatementMFLMiami-Dade17 min
May 25, 12:49 AM EDTSpecial Marine WarningMFL56 min
May 25, 1:21 AM EDTSpecial Weather StatementMFLMiami-Dade54 min
May 25, 1:27 AM EDTTornado WarningMFLMiami-Dade33 min
May 25, 1:39 AM EDTSpecial Weather StatementMFLMiami-Dade66 min
May 25, 1:51 AM EDTSpecial Weather StatementMFLMiami-Dade54 min
May 25, 2:40 AM EDTSpecial Weather StatementMFLBroward65 min
May 25, 2:53 AM EDTAreal Flood AdvisoryMFLMiami-Dade12 hr
May 25, 3:33 AM EDTAreal Flood AdvisoryMFLMiami-Dade3 hr
May 25, 4:53 AM EDTSpecial Weather StatementMFLMiami-Dade52 min
May 25, 4:57 AM EDTSpecial Weather StatementMFLMiami-Dade48 min
May 25, 6:20 AM EDTAreal Flood AdvisoryMFLMiami-Dade4 hr
May 25, 6:20 AM EDTSpecial Marine WarningMFL85 min
May 25, 6:55 AM EDTSpecial Weather StatementMFLMiami-Dade50 min
May 25, 7:02 AM EDTSpecial Marine WarningMFL43 min
May 25, 7:17 AM EDTSpecial Weather StatementMFLMartin13 min
May 25, 7:28 AM EDTSpecial Marine WarningMFL2 hr
May 25, 7:40 AM EDTSpecial Marine WarningMFL95 min
May 25, 7:43 AM EDTSpecial Weather StatementMFLPalm Beach47 min
May 25, 8:08 AM EDTSpecial Weather StatementMFLMiami-Dade52 min
May 25, 8:35 AM EDTSpecial Weather StatementMFLPalm Beach40 min
May 25, 8:53 AM EDTAreal Flood AdvisoryMFLPalm Beach4 hr
May 25, 9:02 AM EDTSpecial Weather StatementMFLMiami-Dade43 min
May 25, 9:11 AM EDTSpecial Marine WarningMFL64 min
May 25, 9:23 AM EDTSpecial Marine WarningMFL67 min
May 25, 9:47 AM EDTSpecial Marine WarningMFL28 min
May 25, 10:19 AM EDTSpecial Marine WarningMFL86 min
May 25, 10:33 AM EDTSpecial Marine WarningMFL57 min
May 25, 11:42 AM EDTSpecial Marine WarningMFL63 min
May 25, 12:27 PM EDTSpecial Weather StatementMFLMiami-Dade48 min
May 25, 12:43 PM EDTSpecial Marine WarningMFL2 hr
May 25, 12:44 PM EDTSpecial Marine WarningMFL61 min
May 25, 1:02 PM EDTAreal Flood AdvisoryMFLMiami-Dade118 min
May 25, 1:17 PM EDTSpecial Weather StatementMFLMiami-Dade43 min
May 25, 1:40 PM EDTSpecial Marine WarningMFL65 min
May 25, 2:01 PM EDTSpecial Weather StatementMFLMiami-Dade44 min
May 25, 2:17 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade28 min
May 25, 2:23 PM EDTFlash Flood WarningMFLMiami-Dade6 hr
May 25, 2:46 PM EDTSpecial Weather StatementMFLMiami-Dade44 min
May 25, 2:48 PM EDTSpecial Marine WarningMFL57 min
May 25, 2:52 PM EDTSpecial Marine WarningMFL83 min
May 25, 3:17 PM EDTAreal Flood AdvisoryMFLBroward3 hr
May 25, 3:33 PM EDTSpecial Weather StatementMFLBroward57 min
May 25, 3:40 PM EDTAreal Flood AdvisoryMFLMiami-Dade3 hr
May 25, 3:46 PM EDTSpecial Marine WarningMFL89 min
May 25, 4:04 PM EDTAreal Flood AdvisoryMFLMiami-Dade3 hr
May 25, 4:07 PM EDTSpecial Marine WarningMFL98 min
May 25, 4:32 PM EDTSpecial Weather StatementMFLMiami-Dade43 min
May 25, 4:44 PM EDTSpecial Marine WarningMFL61 min
May 25, 4:49 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach3 hr
May 25, 5:11 PM EDTSpecial Marine WarningMFL64 min
May 25, 5:32 PM EDTAreal Flood AdvisoryMFLPalm Beach3 hr
May 25, 5:47 PM EDTSpecial Marine WarningMFL58 min
May 25, 6:00 PM EDTSpecial Weather StatementMFLBroward45 min
May 25, 6:13 PM EDTSpecial Marine WarningMFL62 min
May 25, 6:24 PM EDTAreal Flood AdvisoryMFLBroward3 hr
May 25, 6:39 PM EDTFlash Flood WarningMFLPalm Beach3 hr
May 25, 6:43 PM EDTSpecial Marine WarningMFL62 min
May 25, 6:47 PM EDTSpecial Weather StatementMFLBroward43 min
May 25, 7:15 PM EDTSpecial Marine WarningMFL90 min
May 25, 7:33 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach3 hr
May 25, 7:51 PM EDTSpecial Marine WarningMFL54 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.