Alert archive / Florida / Flood Watches in 2008

Flood Watch 1, NWS Miami, FL

August 18, 20087 counties in Florida

NWS Miami, FL issued this flood watch at Aug 18, 2008, 2:30 AM EDT for 7 counties in Florida. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
Aug 18, 2008, 2:30 AM EDT (06:30 UTC)
Expired
Aug 19, 2008, 8:00 PM EDT
In force
42 hr
Issued by
NWS Miami, FL
Flood severity
None

Counties Broward County, FL, Collier County, FL, Glades County, FL, Hendry County, FL, Miami-Dade County, FL, Monroe County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 82 km from the middle of the area, began a volume at 06:32 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

Tampa Bay, FL (KTBW), launched 00:00Z, 6.5 hours before the alert went out and 224 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, Tampa Bay, FL at 00:00Z on 2008-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1215 joules per kilogram.LCLLFCEL10008507005003002001001 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, Tampa Bay, FL at 00:00Z on 2008-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
1215 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
19 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

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at Aug 18, 1:26 AM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Aug 18, 1:26 AM EDT, 1 hour 4 minutes before
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Hazardous weather outlook, Aug 17, 7:16 PM EDT, 7 hours 14 minutes before
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In the hours before

Special weather statement, Aug 18, 2:15 AM EDT, 15 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 8:02 PM EDTSpecial Marine WarningMFL28 min
Aug 17, 8:32 PM EDTSpecial Marine WarningMFL28 min
Aug 18, 2:15 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe75 min
Aug 18, 3:30 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe75 min
Aug 18, 6:19 AM EDTInland Tropical Storm WarningMFLBroward, Collier, Glades, Hendry, Miami-Dade, Palm Beach43 hr
Aug 18, 6:19 AM EDTTropical Storm WarningMFL43 hr
Aug 18, 6:19 AM EDTTropical Storm WarningMFLBroward, Collier, Miami-Dade, Monroe, Palm Beach36 hr
Aug 18, 6:43 AM EDTSpecial Marine WarningMFL47 min
Aug 18, 8:36 AM EDTSpecial Marine WarningMFL24 min
Aug 18, 8:42 AM EDTSpecial Weather StatementMFLBroward48 min
Aug 18, 8:58 AM EDTSpecial Marine WarningMFL32 min
Aug 18, 9:08 AM EDTSpecial Weather StatementMFLMiami-Dade52 min
Aug 18, 9:17 AM EDTTornado WarningMFLMiami-Dade28 min
Aug 18, 9:23 AM EDTSpecial Marine WarningMFL67 min
Aug 18, 10:17 AM EDTSpecial Weather StatementMFLPalm Beach28 min
Aug 18, 10:43 AM EDTSpecial Marine WarningMFL32 min
Aug 18, 10:58 AM EDTSpecial Weather StatementMFLMiami-Dade32 min
Aug 18, 11:05 AM EDTSpecial Marine WarningMFL25 min
Aug 18, 11:24 AM EDTSpecial Weather StatementMFLPalm Beach51 min
Aug 18, 11:52 AM EDTHurricane WarningMFL18 hr
Aug 18, 11:52 AM EDTHurricane WarningMFLCollier, Monroe18 hr
Aug 18, 12:11 PM EDTSpecial Weather StatementMFLMiami-Dade34 min
Aug 18, 2:25 PM EDTSpecial Marine WarningMFL65 min
Aug 18, 2:52 PM EDTTornado WarningMFLMiami-Dade23 min
Aug 18, 3:01 PM EDTTornado WarningMFLMiami-Dade29 min
Aug 18, 3:42 PM EDTSpecial Marine WarningMFL33 min
Aug 18, 4:13 PM EDTSpecial Marine WarningMFL92 min
Aug 18, 4:24 PM EDTSpecial Marine WarningMFL36 min
Aug 18, 4:40 PM EDTTornado WarningMFLBroward, Collier, Miami-Dade20 min
Aug 18, 4:43 PM EDTSpecial Marine WarningMFL47 min
Aug 18, 5:23 PM EDTSpecial Marine WarningMFL37 min
Aug 18, 5:23 PM EDTTornado WarningMFLPalm Beach22 min
Aug 18, 5:34 PM EDTSpecial Marine WarningMFL86 min
Aug 18, 5:45 PM EDTTornado WarningMFLBroward15 min
Aug 18, 6:12 PM EDTSpecial Marine WarningMFL63 min
Aug 18, 7:22 PM EDTSpecial Marine WarningMFL53 min

Nearby

Flood Watches in Florida, 2008Every flood watch in 2008

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.