Alert archive / Florida / Coastal Flood Statements in 2016

Coastal Flood Statement 13, NWS Key West, FL

November 1, 2016Monroe County, Florida

NWS Key West, FL issued this coastal flood statement at Nov 1, 2016, 6:39 PM EDT for Monroe County, Florida. It took effect at Nov 1, 2016, 9:00 PM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Nov 1, 2016, 6:39 PM EDT (22:39 UTC)
In effect from
Nov 1, 2016, 9:00 PM EDT
Expired
Nov 2, 2016, 2:00 AM EDT
In force
5 hr
Issued by
NWS Key West, FL

County Monroe County, FL

The radar

The Miami radar (KAMX), 51 km from the middle of the area, began a volume at 22:42 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, 10.7 hours before the alert went out and 69 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 2016-11-01Temperature 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 12:00Z on 2016-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1091 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

898 
WHUS42 KKEY 012239
CFWKEY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE KEY WEST FL
639 PM EDT TUE NOV 1 2016

FLZ076>078-020600-
/O.NEW.KKEY.CF.S.0013.161102T0100Z-161102T0600Z/
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-
639 PM EDT TUE NOV 1 2016

...MINOR COASTAL FLOODING OF LOW-LYING AREAS EXPECTED...

* COASTAL FLOODING...WATER LEVELS THROUGHOUT THE FLORIDA KEYS WILL BE
  ABOVE NORMAL THIS EVENING AND TONIGHT...WITH NUISANCE COASTAL
  FLOODING OF LOW-LYING AREAS EXPECTED.

* TIMING...WATER LEVELS WILL PEAK AT THE TIME OF THE HIGHER HIGH TIDE
  THIS EVENING AND TONIGHT...MAINLY BETWEEN 9 PM AND 2 AM.

* IMPACTS...MINOR SALTWATER FLOODING OF LOW ELEVATION STREETS AND
  LOTS IS LIKELY. SOME STORM DRAINS WILL OVERFLOW...AND SOME DOCKS
  AND SEAWALLS WILL BE OVERTOPPED.

$$
BS

Nearby

Coastal Flood Statements in Florida, 2016Every coastal flood statement in 2016

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.