Alert archive / Florida / Coastal Flood Statements in 2008

Coastal Flood Statement 21, NWS Miami, FL

November 29, 2008Collier County, Florida

NWS Miami, FL issued this coastal flood statement at Nov 29, 2008, 10:09 PM EST for Collier County, Florida. It took effect at Nov 30, 2008, 11:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Nov 29, 2008, 10:09 PM EST (03:09 UTC)
In effect from
Nov 30, 2008, 11:00 AM EST
Expired
Nov 30, 2008, 7:00 PM EST
In force
8 hr
Issued by
NWS Miami, FL

County Collier County, FL

The radar

The Miami radar (KAMX), 111 km from the middle of the area, began a volume at 03:07 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, 3.2 hours before the alert went out and 113 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 2008-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1101 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
111 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.

000 
WHUS42 KMFL 300309
CFWMFL

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
1009 PM EST SAT NOV 29 2008

...HIGH RISK OF RIP CURRENTS COASTAL COLLIER BEACHES SUNDAY...


FLZ069-301100-
/O.NEW.KMFL.CF.S.0021.081130T1600Z-081201T0000Z/
COASTAL COLLIER-
1009 PM EST SAT NOV 29 2008

...HIGH RISK OF RIP CURRENTS COASTAL COLLIER BEACHES SUNDAY...

A STRONG COLD FRONT CURRENTLY OVER THE NORTH-CENTRAL GULF OF
MEXICO WILL MOVE SOUTHEAST ACROSS MAINLAND SOUTH FLORIDA SUNDAY
NIGHT. SOUTH TO SOUTHWEST WINDS WILL RAPIDLY INCREASE AHEAD OF
THIS FRONT WITH SUSTAINED SPEEDS REACHING 20 MPH BY MID-MORNING
AND 20 TO 25 MPH WITH FREQUENT GUSTS TO NEAR 30 MPH BY EARLY SUNDAY
AFTERNOON. THIS ONSHORE FLOW WILL RESULT IN A HIGH RISK OF
DANGEROUS RIP CURRENTS ALONG THE BEACHES OF COASTAL COLLIER ON
SUNDAY...AND SWIMMING IS STRONGLY DISCOURAGED.

A RIP CURRENT IS A 10 TO 30 YARD WIDE CHANNEL OF WATER THAT CAN
PULL EVEN A STRONG SWIMMER FROM NEAR OR INSIDE THE SAND BAR INTO
DEEPER WATER. DUE TO THE LIFE THREATENING DANGERS THAT THESE
STRONG CURRENTS OF WATER POSE...SWIMMING IS NOT ADVISED.

IF YOU DO GO INTO THE WATERS...SWIM AT GUARDED BEACHES AND HEED
THE ADVICE OF THE BEACH PATROL. IF CAUGHT IN THE SEAWARD PULL OF
A RIP CURRENT DO NOT ATTEMPT TO MOVE DIRECTLY TOWARD SHORE.
INSTEAD...MOVE SIDEWAYS ACROSS THE RIP CURRENT UNTIL THE PULL
EASES.

AN ALTERNATE METHOD OF ESCAPE IS TO LET THE RIP CURRENT PULL YOU
SEAWARD 50 TO 100 YARDS...WHERE THE FORCE WEAKENS...AND THEN SWIM
TOWARD THE BEACH AT AN ANGLE AWAY FROM THE CURRENT.

&&

$$
1 follow-up statement
000 
WHUS42 KMFL 300930 AAA
CFWMFL

COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MIAMI FL
430 AM EST SUN NOV 30 2008

...RIP CURRENTS LIKELY COLLIER COUNTY BEACHES...

FLZ069-010000-
/O.CON.KMFL.CF.S.0021.081130T1600Z-081201T0000Z/
COASTAL COLLIER-
430 AM EST SUN NOV 30 2008

...HIGH RISK OF RIP CURRENTS COASTAL COLLIER BEACHES SUNDAY...

A STRONG COLD FRONT CURRENTLY OVER THE NORTH-CENTRAL GULF OF
MEXICO WILL MOVE SOUTHEAST ACROSS MAINLAND SOUTH FLORIDA TONIGHT. SOUTHWEST
WINDS WILL RAPIDLY INCREASE AHEAD OF THIS FRONT WITH SUSTAINED
SPEEDS REACHING 20 MPH BY MID-MORNING AND 20 TO 25 MPH WITH
FREQUENT GUSTS TO NEAR 30 MPH BY EARLY AFTERNOON. THIS ONSHORE
FLOW WILL RESULT IN A HIGH RISK OF DANGEROUS RIP CURRENTS ALONG
THE BEACHES OF COASTAL COLLIER COUNTY TODAY...AND SWIMMING IS
STRONGLY DISCOURAGED.

A RIP CURRENT IS A 10 TO 30 YARD WIDE CHANNEL OF WATER THAT CAN
PULL EVEN A STRONG SWIMMER FROM NEAR OR INSIDE THE SAND BAR INTO
DEEPER WATER. DUE TO THE LIFE THREATENING DANGERS THAT THESE
STRONG CURRENTS OF WATER POSE...SWIMMING IS NOT ADVISED.

IF YOU DO GO INTO THE WATERS...SWIM AT GUARDED BEACHES AND HEED
THE ADVICE OF THE BEACH PATROL. IF CAUGHT IN THE SEAWARD PULL OF
A RIP CURRENT DO NOT ATTEMPT TO MOVE DIRECTLY TOWARD SHORE.
INSTEAD...MOVE SIDEWAYS ACROSS THE RIP CURRENT UNTIL THE PULL
EASES.

AN ALTERNATE METHOD OF ESCAPE IS TO LET THE RIP CURRENT PULL YOU
SEAWARD 50 TO 100 YARDS...WHERE THE FORCE WEAKENS...AND THEN SWIM
TOWARD THE BEACH AT AN ANGLE AWAY FROM THE CURRENT.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 29, 9:59 PM ESTSmall Craft AdvisoryMFL31 hr
Nov 30, 11:33 AM ESTMarine Weather StatementMFL3 hr
Nov 30, 12:05 PM ESTWind AdvisoryMFLBroward, Collier, Miami-Dade, Monroe, Palm Beach3 hr
Nov 30, 1:45 PM ESTSpecial Marine WarningMFL60 min
Nov 30, 2:22 PM ESTSpecial Weather StatementMFLHendry53 min
Nov 30, 3:09 PM ESTSpecial Weather StatementMFLGlades, Hendry66 min
Nov 30, 3:15 PM ESTSpecial Marine WarningMFL2 hr
Nov 30, 5:21 PM ESTSpecial Weather StatementMFLPalm Beach24 min
Nov 30, 5:38 PM ESTSpecial Weather StatementMFLBroward22 min
Nov 30, 6:05 PM ESTSpecial Weather StatementMFLBroward25 min

Nearby

Coastal Flood Statements in Florida, 2008Every coastal flood statement 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.