Alert archive / Florida / Coastal Flood Statements in 2009

Coastal Flood Statement 25, NWS Miami, FL

May 20, 2009Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this coastal flood statement at May 20, 2009, 3:35 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
May 20, 2009, 3:35 AM EDT (07:35 UTC)
Expired
May 20, 2009, 8:00 PM EDT
In force
16 hr
Issued by
NWS Miami, FL

Counties Broward County, FL, Miami-Dade County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 59 km from the middle of the area, began a volume at 07:35 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 7.6 hours before the alert went out and 260 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, Cape Canaveral, FL at 00:00Z on 2009-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 597 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 00:00Z on 2009-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
597 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
509 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal flood statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this coastal flood statement went out at May 20, 1:30 AM EDT, 2 hours 5 minutes earlier.

Area forecast discussion, May 20, 1:30 AM EDT, 2 hours 5 minutes before
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Hazardous weather outlook, May 19, 8:57 PM EDT, 6 hours 38 minutes before
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 1:05 AM EDTSpecial Marine WarningMFL25 min
May 20, 9:43 AM EDTSpecial Marine WarningMFL32 min
May 20, 10:45 AM EDTSpecial Marine WarningMFL60 min
May 20, 11:41 AM EDTSpecial Marine WarningMFL64 min
May 20, 12:04 PM EDTTornado WarningMFLPalm Beach26 min
May 20, 12:24 PM EDTSpecial Weather StatementMFLPalm Beach51 min
May 20, 12:30 PM EDTSpecial Weather StatementMFLPalm Beach30 min
May 20, 12:33 PM EDTSpecial Marine WarningMFL57 min
May 20, 12:39 PM EDTSpecial Weather StatementMFLBroward66 min
May 20, 12:46 PM EDTTornado WarningMFLPalm Beach19 min
May 20, 12:52 PM EDTSpecial Marine WarningMFL113 min
May 20, 1:20 PM EDTSevere Thunderstorm WarningMFLPalm Beach13 min
May 20, 1:22 PM EDTSpecial Marine WarningMFL53 min
May 20, 1:30 PM EDTSevere Thunderstorm WarningMFLPalm Beach30 min
May 20, 1:35 PM EDTSpecial Weather StatementMFLGlades55 min
May 20, 1:54 PM EDTSevere Thunderstorm WarningMFLGlades18 min
May 20, 1:58 PM EDTSevere Thunderstorm WarningMFLPalm Beach21 min
May 20, 2:17 PM EDTSpecial Marine WarningMFL58 min
May 20, 2:35 PM EDTSpecial Weather StatementMFLGlades55 min
May 20, 2:38 PM EDTSpecial Weather StatementMFLPalm Beach67 min
May 20, 2:41 PM EDTSpecial Marine WarningMFL94 min
May 20, 3:01 PM EDTSevere Thunderstorm WarningMFLHendry, Palm Beach35 min
May 20, 3:12 PM EDTSpecial Marine WarningMFL32 min
May 20, 3:15 PM EDTSpecial Weather StatementMFLBroward60 min
May 20, 4:10 PM EDTSpecial Marine WarningMFL80 min
May 20, 4:11 PM EDTSpecial Weather StatementMFLHendry64 min
May 20, 5:19 PM EDTSpecial Marine WarningMFL94 min
May 20, 5:34 PM EDTSpecial Weather StatementMFLBroward56 min
May 20, 5:57 PM EDTSpecial Marine WarningMFL53 min
May 20, 6:30 PM EDTSpecial Weather StatementMFLPalm Beach60 min
May 20, 6:44 PM EDTSpecial Weather StatementMFLBroward61 min

Nearby

Coastal Flood Statements in Florida, 2009Every coastal flood statement in 2009

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.