Alert archive / Florida / Flash Flood Warnings in 2013

Flash Flood Warning 7, NWS Miami, FL

May 29, 2013Palm Beach County, Florida

NWS Miami, FL issued this flash flood warning at May 29, 2013, 8:15 AM 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 29, 2013, 8:15 AM EDT (12:15 UTC)
Expired
May 29, 2013, 11:00 AM 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), 117 km from the middle of the area, began a volume at 12:16 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, 0.3 hours before the alert went out and 92 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 2013-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1190 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 2013-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -77 square meters per square second.193958Sfc1 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
1190 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
495 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-77 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

845 
WGUS52 KMFL 291215
FFWMFL
FLC099-291500-
/O.NEW.KMFL.FF.W.0007.130529T1215Z-130529T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
815 AM EDT WED MAY 29 2013

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL PALM BEACH COUNTY IN SOUTHEAST FLORIDA...

* UNTIL 1100 AM EDT

* AT 811 AM EDT...DOPPLER RADAR INDICATED SHOWERS WITH VERY HEAVY
  RAINFALL ACROSS MUCH OF EASTERN PALM BEACH COUNTY.  RADAR ESTIMATES
  AND RAIN GAGES INDICATED BETWEEN 3 AND 5 INCHES OF RAIN HAS FALLEN
  FROM BOYNTON BEACH TO THE ACREAGE.  BROADCAST MEDIA REPORTED
  FLOODING IN HOMES IN THE ACREAGE...AND OTHER REPORTS OF FLOODING   
  HAVE BEEN RECEIVED FROM BOYNTON BEACH.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BOYNTON BEACH...DELRAY BEACH...LAKE WORTH...WEST PALM BEACH...
  GOLDEN LAKES...GREENACRES CITY...HAVERHILL...LION COUNTRY SAFARI...
  OCEAN RIDGE...PALM BEACH...ROYAL PALM BEACH...VILLAGE OF GOLF AND
  WELLINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

&&

LAT...LON 2655 8004 2644 8006 2668 8041 2692 8036
      2675 8002 2663 8003 2662 8004 2661 8003
      2660 8004 2659 8003 2655 8003

$$
KONARIK

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 10:12 PM EDTSmall Craft AdvisoryMFL6 hr
May 29, 7:07 AM EDTAreal Flood AdvisoryMFLPalm Beach113 min
May 29, 2:29 PM EDTSmall Craft AdvisoryMFL42 hr
May 29, 3:43 PM EDTFlood WatchMFLBroward, Miami-Dade, Palm Beach19 hr
May 29, 4:35 PM EDTAreal Flood AdvisoryMFLMiami-Dade115 min
May 29, 4:59 PM EDTSpecial Weather StatementMFLBroward46 min
May 29, 5:09 PM EDTSpecial Marine WarningMFL111 min

Nearby

Flash Flood Warnings in Florida, 2013Every flash flood warning in 2013

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.