Alert archive / Florida / Coastal Flood Statements in 2021

Coastal Flood Statement 2, NWS Miami, FL

October 29, 2021Collier County, Florida

NWS Miami, FL issued this coastal flood statement at Oct 29, 2021, 3:36 PM EDT for Collier County, Florida. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Oct 29, 2021, 3:36 PM EDT (19:36 UTC)
Expired
Oct 30, 2021, 12:00 PM EDT
In force
20 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 19:35 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

Miami, FL (KMFL), launched 12:00Z, 7.6 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 12:00Z on 2021-10-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 116 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 2021-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
116 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
990 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

371 
WHUS42 KMFL 291936
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
336 PM EDT Fri Oct 29 2021

FLZ069-301200-
/O.NEW.KMFL.CF.S.0002.211029T1936Z-211030T1600Z/
/O.EXT.KMFL.SU.Y.0005.000000T0000Z-211031T0000Z/
/O.CON.KMFL.RP.S.0035.000000T0000Z-211031T0000Z/
Coastal Collier-
336 PM EDT Fri Oct 29 2021

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 PM EDT SATURDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY EVENING...
...COASTAL FLOOD STATEMENT NOW IN EFFECT UNTIL 12 PM EDT SATURDAY...

* WHAT...For the High Surf Advisory, large breaking waves of 3 to
  6 feet in the surf zone. For the High Rip Current Risk,
  dangerous rip currents. For the isolated minor coastal flooding
  during high tides.

* WHERE...Coastal Collier County.

* WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. For
  the High Rip Current Risk, through Saturday evening. For the
  Coastal Flood Statement, through Saturday morning.

* IMPACTS...Minor saltwater flooding of low-lying lots, parks, 
  and roadways may occur near the coast line. Temporary closure 
  of some coastal roads possible, especially during high tide. 
  Some storm drains will overflow, and some seawalls and docks 
  will be overtopped. Boaters can expect less clearance under 
  fixed bridges. Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.

* ADDITIONAL DETAILS...The next high tides at Naples Bay, north
  end will be 09:53 PM EDT tonight and again at 09:17 AM EDT
  Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

Baxter
1 follow-up statement
601 
WHUS42 KMFL 300704
CFWMFL

Coastal Hazard Message
National Weather Service Miami FL
304 AM EDT Sat Oct 30 2021

FLZ069-310000-
/O.EXT.KMFL.RP.S.0035.000000T0000Z-211031T1200Z/
/O.CON.KMFL.SU.Y.0005.000000T0000Z-211031T0000Z/
/O.CON.KMFL.CF.S.0002.000000T0000Z-211030T1600Z/
Coastal Collier-
304 AM EDT Sat Oct 30 2021

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH SUNDAY MORNING...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT...
...MINOR COASTAL FLOODING POSSIBLE DURING HIGH TIDES...

* WHAT...For the High Surf Advisory, large breaking waves up to 6
  feet in the surf zone. For the High Rip Current Risk, dangerous
  rip currents. For the isolated minor coastal flooding during 
  high tides.

* WHERE...Coastal Collier County.

* WHEN...For the High Surf Advisory, until 8 PM EDT this evening.
  For the High Rip Current Risk, through Sunday morning.

* IMPACTS...Minor saltwater flooding of low-lying lots, parks, and
  roadways may occur near the coast line. Temporary closure of
  some coastal roads possible, especially during high tide. Some
  storm drains will overflow, and some seawalls and docks will be
  overtopped. Boaters can expect less clearance under fixed
  bridges. Dangerous swimming and surfing conditions and localized
  beach erosion. Rip currents can sweep even the best swimmers
  away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

FLZ168-310000-
/O.EXB.KMFL.RP.S.0035.000000T0000Z-211031T1200Z/
Coastal Palm Beach-
304 AM EDT Sat Oct 30 2021

...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY MORNING...

* WHAT...High Rip Current Risk, dangerous rip currents.

* WHERE...Coastal Palm Beach County.

* WHEN...Through Sunday morning.

* IMPACTS...Dangerous swimming and surfing conditions and 
  localized beach erosion. Rip currents can sweep even the best 
  swimmers away from shore into deeper water.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 8:06 PM EDTSpecial Weather StatementMFLHendry39 min
Oct 28, 8:10 PM EDTSpecial Weather StatementMFLCollier50 min
Oct 28, 8:36 PM EDTSevere Thunderstorm WarningMFLCollier39 min
Oct 28, 8:42 PM EDTSpecial Marine WarningMFL33 min
Oct 28, 8:48 PM EDTSpecial Weather StatementMFLPalm Beach27 min
Oct 28, 8:52 PM EDTSpecial Marine WarningMFL23 min
Oct 28, 8:53 PM EDTSpecial Weather StatementMFLCollier, Hendry67 min
Oct 28, 9:16 PM EDTSpecial Weather StatementMFLPalm Beach29 min
Oct 28, 9:42 PM EDTSpecial Marine WarningMFL63 min
Oct 28, 10:32 PM EDTSpecial Marine WarningMFL58 min
Oct 28, 10:45 PM EDTSpecial Marine WarningMFL60 min
Oct 28, 11:02 PM EDTSpecial Weather StatementMFLBroward28 min
Oct 29, 12:00 AM EDTSpecial Weather StatementMFLMiami-Dade45 min
Oct 29, 12:17 AM EDTSpecial Weather StatementMFLBroward43 min
Oct 29, 12:25 AM EDTSpecial Marine WarningMFL65 min
Oct 29, 1:01 AM EDTSpecial Marine WarningMFL59 min
Oct 29, 2:31 AM EDTSpecial Marine WarningMFL44 min
Oct 29, 3:39 AM EDTHigh Surf AdvisoryMFLCollier40 hr
Oct 29, 5:42 AM EDTSpecial Marine WarningMFL63 min

Nearby

Coastal Flood Statements in Florida, 2021Every coastal flood statement in 2021

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.