Alert archive / Florida / Flash Flood Warnings in 2015

Flash Flood Warning 2, NWS Miami, FL

June 10, 2015Palm Beach County, Florida

NWS Miami, FL issued this flash flood warning at Jun 10, 2015, 8:44 PM EDT for Palm Beach County, Florida. It was in force for 2 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
Jun 10, 2015, 8:44 PM EDT (00:44 UTC)
Expired
Jun 10, 2015, 10:45 PM EDT
In force
2 hr
Issued by
NWS Miami, FL
Area
Storm-based polygon
Flood severity
None

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 141 km from the middle of the area, began a volume at 00:46 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, 0.7 hours before the alert went out and 116 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 2015-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2108 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 00:00Z on 2015-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
2108 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
58 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.

155 
WGUS52 KMFL 110044
FFWMFL
FLC099-110245-
/O.NEW.KMFL.FF.W.0002.150611T0044Z-150611T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
844 PM EDT WED JUN 10 2015

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN PALM BEACH COUNTY IN SOUTHEASTERN FLORIDA...

* UNTIL 1045 PM EDT
    
* AT 842 PM EDT...DOPPLER RADAR INDICATED NUMEROUS THUNDERSTORMS 
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. 4 TO 6 INCHES ALREADY 
  FELL EARLIER TODAY WITH ANOTHER 1 TO 3 INCHES POSSIBLE IN THE NEXT 
  30 TO 60 MINUTES. ROADWAYS SUSCEPTIBLE TO HIGH WATER MAY BECOME 
  IMPASSABLE.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  WEST PALM BEACH...JUPITER...PALM BEACH GARDENS...RIVIERA BEACH AND
  PALM BEACH.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD 
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 2674 8004 2683 8029 2696 8029 2696 8011
      2694 8012 2695 8011 2696 8008 2683 8004
      2682 8004 2684 8006 2679 8005 2680 8004
      2675 8005 2676 8004

$$

KM
1 follow-up statement
018 
WGUS72 KMFL 110218
FFSMFL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1018 PM EDT WED JUN 10 2015

FLC099-110226-
/O.CAN.KMFL.FF.W.0002.000000T0000Z-150611T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PALM BEACH FL-
1018 PM EDT WED JUN 10 2015

...THE FLASH FLOOD WARNING FOR NORTHEASTERN PALM BEACH COUNTY IS
CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO 
POSE A THREAT. IN ADDITION NO REPORTS OF FLOODING WAS RECEIVED. 
HOWEVER...THERE ARE SOME LINGERING SHOWERS ACROSS THE WARNING AREA 
AND RESIDENTS NEED TO EXERCISE CAUTION.

LAT...LON 2674 8004 2683 8029 2696 8029 2696 8011
      2694 8012 2695 8011 2696 8008 2683 8004
      2682 8004 2684 8006 2679 8005 2680 8004
      2675 8005 2676 8004

$$

60

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 8:00 PM EDTSpecial Weather StatementMFLPalm Beach45 min
Jun 10, 8:12 PM EDTSevere Thunderstorm WarningMFLPalm Beach48 min
Jun 10, 8:18 PM EDTSpecial Marine WarningMFL42 min
Jun 10, 8:37 PM EDTSpecial Weather StatementMFLMonroe38 min
Jun 10, 8:59 PM EDTSpecial Weather StatementMFLMonroe46 min
Jun 10, 9:02 PM EDTSpecial Marine WarningMFL58 min
Jun 10, 9:49 PM EDTSpecial Marine WarningMFL41 min
Jun 10, 11:37 PM EDTSpecial Weather StatementMFLMiami-Dade38 min
Jun 10, 11:42 PM EDTSpecial Marine WarningMFL63 min
Jun 10, 11:57 PM EDTSpecial Marine WarningMFL63 min
Jun 11, 12:09 AM EDTSpecial Weather StatementMFLCollier51 min
Jun 11, 12:29 AM EDTSpecial Marine WarningMFL61 min
Jun 11, 12:36 AM EDTSpecial Marine WarningMFL54 min
Jun 11, 1:14 AM EDTSpecial Weather StatementMFLMonroe46 min
Jun 11, 1:52 AM EDTSpecial Weather StatementMFLHendry, Monroe53 min
Jun 11, 2:03 AM EDTSpecial Weather StatementMFLMiami-Dade42 min
Jun 11, 4:17 PM EDTSpecial Weather StatementMFLMonroe43 min
Jun 11, 4:37 PM EDTSpecial Weather StatementMFLCollier38 min
Jun 11, 4:43 PM EDTSpecial Marine WarningMFL62 min
Jun 11, 4:49 PM EDTSpecial Weather StatementMFLCollier41 min
Jun 11, 5:21 PM EDTSpecial Weather StatementMFLCollier39 min
Jun 11, 5:28 PM EDTSevere Thunderstorm WarningMFLCollier62 min
Jun 11, 6:02 PM EDTSpecial Weather StatementMFLHendry58 min
Jun 11, 6:43 PM EDTSpecial Weather StatementMFLGlades62 min
Jun 11, 6:46 PM EDTSpecial Weather StatementMFLGlades14 min
Jun 11, 7:01 PM EDTSpecial Weather StatementMFLHendry59 min
Jun 11, 7:34 PM EDTSpecial Marine WarningMFL56 min

Nearby

Flash Flood Warnings in Florida, 2015Every flash flood warning in 2015

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.