Alert archive / Florida / Flash Flood Warnings in 2024

Flash Flood Warning 2, NWS Miami, FL

March 22, 2024Palm Beach County, Florida

NWS Miami, FL issued this flash flood warning at Mar 22, 2024, 10:20 PM EDT for Palm Beach County, Florida. It was in force for 115 min. 2 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
Mar 22, 2024, 10:20 PM EDT (02:20 UTC)
Expired
Mar 23, 2024, 12:15 AM EDT
In force
115 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Flood severity
None

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 108 km from the middle of the area, began a volume at 02:19 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

TimeReportWhereRemark
Mar 22, 10:44 PM EDTFLASH FLOOD2 Ssw Palm Beach, FLLaw enforcement reported via social media flash flooding on Southern Blvd near Washington Rd. 4 cars are stalled out in high waters.
Mar 22, 11:10 PM EDTFLOODLake Worth, FLFlooding north of 10th Ave on D Street.

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 00:00Z, 2.3 hours before the alert went out and 82 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 00:00Z on 2024-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 537 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2024-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.19395878Sfc1 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
537 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
465 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

530 
WGUS52 KMFL 230220
FFWMFL
FLC099-230415-
/O.NEW.KMFL.FF.W.0002.240323T0220Z-240323T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Miami FL
1020 PM EDT Fri Mar 22 2024

The National Weather Service in Miami has issued a

* Flash Flood Warning for...
  Eastern Palm Beach County in southeastern Florida...

* Until 1215 AM EDT.

* At 1020 PM EDT, Doppler radar indicated training thunderstorms 
  producing heavy rain across the warned area. Between 2 and 3 
  inches of rain have fallen over this area, and additional rainfall 
  amounts of 1 to 3 inches are possible in the warned area with the 
  on going training storms. 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...
  West Palm Beach, Boynton Beach, Delray Beach, Lake Worth, Palm 
  Beach, Ocean Ridge, Greenacres, Palm Springs, Lantana, Atlantis, 
  Haverhill, Cloud Lake, Gun Club Estates, Palm Beach International 
  Airport, Village Of Golf, Royal Palm Estates, Lake Belvedere 
  Estates, Downtown West Palm Beach, Dunes Road and Schall Circle.

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.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 2647 8006 2647 8016 2672 8014 2673 8002
      2650 8000 2650 8001 2649 8003 2649 8004
      2649 8005 2650 8005 2648 8006

FLASH FLOOD...RADAR INDICATED

$$

BAXTER
2 follow-up statements
400 
WGUS72 KMFL 230331
FFSMFL

Flash Flood Statement
National Weather Service Miami FL
1131 PM EDT Fri Mar 22 2024

FLC099-230415-
/O.CON.KMFL.FF.W.0002.000000T0000Z-240323T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Palm Beach FL-
1131 PM EDT Fri Mar 22 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT SATURDAY 
FOR EASTERN PALM BEACH COUNTY...

At 1131 PM EDT, Doppler radar indicated that the thunderstorms have 
moved east of the warning area. However, moderate rains continue 
over the warning area that can still produce rainfall amounts 
between 1 to 2 inches per hour on top of the already 3 and 5 inches 
of rain have fallen from the early thunderstorms. Law enforcement 
also reported via social media flash flooding on Southern Blvd near 
Washington Rd. 4 cars are stalled out in high waters. Flash flooding 
is ongoing in the area.

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...
  West Palm Beach, Boynton Beach, Delray Beach, Lake Worth, Palm 
  Beach, Ocean Ridge, Greenacres, Palm Springs, Lantana, Atlantis, 
  Haverhill, Cloud Lake, Gun Club Estates, Palm Beach International 
  Airport, Village Of Golf, Royal Palm Estates, Lake Belvedere 
  Estates, Downtown West Palm Beach, Dunes Road and Schall Circle.

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.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 2647 8006 2647 8016 2672 8014 2673 8002
      2650 8000 2650 8001 2649 8003 2649 8004
      2649 8005 2650 8005 2648 8006

FLASH FLOOD...RADAR INDICATED

$$

BAXTER
270 
WGUS72 KMFL 230407
FFSMFL

Flash Flood Statement
National Weather Service Miami FL
1207 AM EDT Sat Mar 23 2024

FLC099-230417-
/O.EXP.KMFL.FF.W.0002.000000T0000Z-240323T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Palm Beach FL-
1207 AM EDT Sat Mar 23 2024

...FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM EDT EARLY THIS MORNING 
FOR EASTERN PALM BEACH COUNTY...

Flood waters have receded. Light to moderate rain should continue 
over the area. However, flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

&&

LAT...LON 2647 8006 2647 8016 2672 8014 2673 8002
      2650 8000 2650 8001 2649 8003 2649 8004
      2649 8005 2650 8005 2648 8006

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 8:10 PM EDTSevere Thunderstorm WarningMFLMiami-Dade20 min
Mar 22, 8:15 PM EDTSpecial Weather StatementMFLCollier45 min
Mar 22, 8:19 PM EDTSpecial Weather StatementMFLBroward41 min
Mar 22, 8:26 PM EDTSpecial Weather StatementMFLPalm Beach34 min
Mar 22, 8:32 PM EDTSpecial Marine WarningMFL43 min
Mar 22, 8:34 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade5 hr
Mar 22, 8:45 PM EDTSpecial Marine WarningMFL60 min
Mar 22, 8:47 PM EDTSpecial Weather StatementMFLCollier, Hendry58 min
Mar 22, 8:53 PM EDTFlash Flood WarningMFLMiami-Dade4 hr
Mar 22, 8:55 PM EDTSpecial Weather StatementMFLBroward35 min
Mar 22, 8:58 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade32 min
Mar 22, 8:59 PM EDTSevere Thunderstorm WarningMFLBroward, Collier, Hendry, Palm Beach46 min
Mar 22, 9:03 PM EDTSpecial Weather StatementMFLBroward42 min
Mar 22, 9:19 PM EDTSpecial Marine WarningMFL41 min
Mar 22, 9:20 PM EDTSpecial Weather StatementMFLBroward40 min
Mar 22, 9:26 PM EDTSpecial Marine WarningMFL64 min
Mar 22, 9:29 PM EDTSevere Thunderstorm WarningMFLPalm Beach31 min
Mar 22, 9:33 PM EDTAreal Flood AdvisoryMFLMiami-Dade3 hr
Mar 22, 9:45 PM EDTSpecial Marine WarningMFL45 min
Mar 22, 9:48 PM EDTSpecial Weather StatementMFLBroward42 min
Mar 22, 9:51 PM EDTSpecial Weather StatementMFLMiami-Dade24 min
Mar 22, 9:52 PM EDTAreal Flood AdvisoryMFLPalm Beach28 min
Mar 22, 10:01 PM EDTSpecial Marine WarningMFL44 min
Mar 22, 10:30 PM EDTSpecial Marine WarningMFL45 min
Mar 22, 10:30 PM EDTSpecial Marine WarningMFL60 min
Mar 22, 10:35 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach3 hr
Mar 22, 10:49 PM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr
Mar 22, 10:49 PM EDTSpecial Marine WarningMFL26 min
Mar 22, 10:52 PM EDTTornado WarningMFLMiami-Dade23 min
Mar 22, 11:18 PM EDTSpecial Marine WarningMFL42 min
Mar 22, 11:22 PM EDTSpecial Marine WarningMFL97 min
Mar 22, 11:24 PM EDTAreal Flood AdvisoryMFLMiami-Dade113 min
Mar 22, 11:29 PM EDTSpecial Weather StatementMFLMiami-Dade31 min
Mar 22, 11:32 PM EDTSpecial Marine WarningMFL58 min
Mar 22, 11:41 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade96 min
Mar 22, 11:44 PM EDTSpecial Marine WarningMFL46 min
Mar 22, 11:58 PM EDTSpecial Marine WarningMFL47 min
Mar 23, 12:55 AM EDTSpecial Marine WarningMFL50 min
Mar 23, 12:57 AM EDTSpecial Marine WarningMFL33 min
Mar 23, 7:45 AM EDTSpecial Marine WarningMFL30 min
Mar 23, 8:32 AM EDTAreal Flood AdvisoryMFLMiami-Dade4 hr
Mar 23, 8:49 AM EDTSpecial Weather StatementMFLMiami-Dade26 min
Mar 23, 9:02 AM EDTSpecial Marine WarningMFL43 min
Mar 23, 9:10 AM EDTSpecial Weather StatementMFLMiami-Dade20 min
Mar 23, 10:53 AM EDTSpecial Weather StatementMFLMiami-Dade37 min
Mar 23, 11:03 AM EDTAreal Flood AdvisoryMFLMiami-Dade88 min
Mar 23, 11:10 AM EDTSpecial Weather StatementMFLMonroe20 min
Mar 23, 11:11 AM EDTSpecial Marine WarningMFL16 min
Mar 23, 11:27 AM EDTSpecial Marine WarningMFL33 min
Mar 23, 11:49 AM EDTSpecial Marine WarningMFL41 min
Mar 23, 12:16 PM EDTSpecial Marine WarningMFL29 min
Mar 23, 12:28 PM EDTSpecial Marine WarningMFL16 min
Mar 23, 12:44 PM EDTSpecial Marine WarningMFL46 min
Mar 23, 1:49 PM EDTSpecial Marine WarningMFL56 min
Mar 23, 2:45 PM EDTSpecial Marine WarningMFL30 min
Mar 23, 3:18 PM EDTSpecial Marine WarningMFL42 min
Mar 23, 4:03 PM EDTSpecial Marine WarningMFL27 min

Nearby

Flash Flood Warnings in Florida, 2024Every flash flood warning in 2024

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.