Alert archive / Florida / Special Weather Statements in 2013

Special Weather Statement, NWS Miami, FL

October 17, 2013Collier County, Florida

NWS Miami, FL issued this special weather statement at Oct 17, 2013, 5:51 PM EDT for Collier County, Florida. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 17, 2013, 5:51 PM EDT (21:51 UTC)
Expired
Oct 17, 2013, 6:15 PM EDT
In force
24 min
Issued by
NWS Miami, FL

County Collier County, FL

The radar

The Miami radar (KAMX), 145 km from the middle of the area, began a volume at 21:57 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, 9.9 hours before the alert went out and 142 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 2013-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 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, Miami, FL at 12:00Z on 2013-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
22 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
-50 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.

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What forecasters said that day

The local office's own words before this special weather 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 special weather statement went out at Oct 17, 3:26 PM EDT, 2 hours 25 minutes earlier.

Area forecast discussion, Oct 17, 3:26 PM EDT, 2 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
326 PM EDT THU OCT 17 2013

...MINOR COASTAL FLOODING AROUND HIGH TIDE PORTIONS OF THE ATLANTIC
COAST THROUGH THE UPCOMING WEEKEND DUE TO HIGHER THAN NORMAL TIDAL
LEVELS...

.DISCUSSION...STREET FLOODING HAS OCCURRED OVER THE PAST FEW HIGH
TIDE CYCLES ALONG THE BAY AND INTRACOASTAL SIDE OF THE BARRIER
ISLANDS OF THE ATLANTIC COAST. THIS IS EXPECTED TO OCCUR AGAIN
WITH EACH SUCCESSIVE HIGH TIDE CYCLE THROUGH THE UPCOMING
WEEKEND. THE NEXT HIGH TIDE IS THIS MID EVENING AND MID MORNING ON
FRIDAY. THE HIGHER WATER LEVELS (WITH DEPARTURES BETWEEN 1/2-3/4
FT ABOVE NORMAL) ARE OCCURRING WITH THE "SPRING TIDE" (AN
ASTRONOMICAL EVENT WHEN THE MOON AND SUN ALIGN WITH THE EARTH).
THE WATER LEVELS ARE EXPECTED TO PEAK FRIDAY INTO EARLY SATURDAY
BEFORE GRADUALLY IMPROVING. AGAIN, THE MAIN IMPACTS WILL BE
ISOLATED STREET FLOODING. A COASTAL FLOOD STATEMENT IS IN EFFECT
ADDRESSING THIS FLOODING.

THE TIDES ARE THE MAIN "WEATHER" STORY AS TRANQUIL WEATHER WILL
CONTINUE TO PREVAIL ACROSS SOUTH FL INTO THE UPCOMING WEEKEND
UNDER A RIDGE OF HIGH PRESSURE. THE STRONG MID LEVEL RIDGE ACROSS
THE AREA WILL WEAKEN AND BECOME DISPLACED TO THE EAST AS A
LONGWAVE TROUGH DIVES OUT FROM THE UPPER MIDWEST AND ACROSS THE
EASTERN STATES NORTH OF FLORIDA. MOISTURE LEVELS WILL ONLY GRADUALLY
INCREASE SO JUST A FEW SHOWERS ARE POSSIBLE THIS WEEKEND. /GREGORIA

LONG TERM FROM PREVIOUS DISCUSSION...
THE HIGH WILL REMAIN NEARLY STATIONARY OVER THE WESTERN BAHAMA
ISLANDS EARLY NEXT WEEK, AS THE FRONT REMAINS NEARLY STATIONARY
NEAR OR ACROSS NORTH FLORIDA. THIS WILL KEEP A EAST TO SOUTHEAST
WIND FLOW OVER SOUTH FLORIDA DURING THIS TIME ALONG WITH A 10 TO
20 PERCENT CHANCE OF SHOWERS.

THE COLD FRONT WILL THEN GET PUSHED DOWN THE SUNSHINE STATE
SOMETIME DURING THE MIDDLE OF NEXT WEEK, AND THROUGH SOUTH FLORIDA
LATE NEXT WEEK, AS LOW PRESSURE SWINGS THROUGH THE GREAT LAKES AND
INTO THE NORTHEAST UNITED STATES. THIS COULD BRING A MUCH COOLER
AND DRIER AIR MASS TO SOUTH FLORIDA FOR LATE NEXT WEEK. /BNB

&&

.AVIATION...VFR CONDITIONS WILL PREVAIL THROUGH THE 24 HR TAF PERIOD.
WINDS WILL REMAIN LIGHT AND PRIMARILY DOMINATED MAINLY BY
LAND/SEA BREEZES. /AK

&&

.MARINE...TRANQUIL MARINE CONDITIONS WILL CONTINUE IN A LIGHT
EASTERLY WIND FLOW PATTERN. SEAS WILL REMAIN LESS THAN 4 FT.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  72  87  74  87 / 10 10 10 10
FORT LAUDERDALE  76  87  77  87 / 10 10 10 10
MIAMI            75  87  76  87 / 10 10 10 10
NAPLES           71  89  71  88 / -  -  -  20

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.
GM...NONE.
&&

DISCUSSION/MARINE/FIRE...57/GREGORIA
AVIATION/RADAR...84/AK
Hazardous weather outlook, Oct 17, 4:59 PM EDT, 52 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
459 PM EDT THU OCT 17 2013

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
181200-
LAKE OKEECHOBEE-BISCAYNE BAY-
COASTAL WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL OUT 20 NM-
COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL OUT 20 NM-
WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL EXTENDING FROM
20 NM TO 60 NM-
WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL EXTENDING FROM 20 NM
TO THE TERRITORIAL WATERS OF THE BAHAMAS-GLADES-HENDRY-
INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER-INLAND COLLIER-
INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE-METRO MIAMI DADE-
MAINLAND MONROE-COASTAL PALM BEACH-COASTAL BROWARD-
COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE-
COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL OUT 20 NM-
COASTAL WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE, FL OUT 20 NM-
GULF WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL EXTENDING FROM
20 TO 60 NM-
459 PM EDT THU OCT 17 2013

...MINOR TIDAL FLOODING ALONG ATLANTIC COAST, INCLUDING BISCAYNE BAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TONIGHT

FLOODING: HIGHER THAN NORMAL TIDES WILL LEAD TO MINOR INUNDATION
OF LOW-LYING AND AREAS ALONG THE ATLANTIC COAST, ESPECIALLY NEAR
ASTRONOMICAL HIGH TIDE. BAYSIDE PORTIONS OF MIAMI BEACH WILL BE
PARTICULARLY SUSCEPTIBLE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

HIGH ASTRONOMICAL TIDES WILL CONTINUE THROUGH THE WEEKEND. FLOODING
WILL REMAIN A THREAT ALONG THE EAST COAST BEACHES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER INDIVIDUAL
SPOTTERS ARE ENCOURAGED TO REPORT TIDAL FLOODING TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN MIAMI.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.

KONARIK

In the hours before

Special weather statement, Oct 17, 5:51 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 9:25 AM EDTCoastal Flood StatementMFLBroward, Miami-Dade, Palm Beach3 days

Nearby

Special Weather Statements in Florida, 2013Every special weather statement in 2013

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.