Alert archive / Florida / Special Marine Warnings in 2015

Special Marine Warning 113, NWS Key West, FL

August 29, 2015

NWS Key West, FL issued this special marine warning at Aug 29, 2015, 8:08 PM EDT. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 29, 2015, 8:08 PM EDT (00:08 UTC)
Expired
Aug 29, 2015, 9:15 PM EDT
In force
67 min
Issued by
NWS Key West, FL
Area
Storm-based polygon

What forecasters said that day

The local office's own words before this special marine warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Key West, FL wrote its last area forecast discussion before this special marine warning went out at Aug 29, 4:02 PM EDT, 4 hours 6 minutes earlier.

Area forecast discussion, Aug 29, 4:02 PM EDT, 4 hours 6 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KEY WEST FL
402 PM EDT SAT AUG 29 2015

.DISCUSSION...
SHOWERS HAVE BEEN DRIFTING WESTWARD ACROSS THE FLORIDA KEYS WATERS
THIS AFTERNOON AS WE TRANSITION TO A MORE MOISTURE AND UNSTABLE
ENVIRONMENT. THIS IN PART TO THE IMPENDING APPROACH OF WHAT IT WAS
TROPICAL STORM ERIKA...NOW DEGENERATED TO AN ACTIVE TROPICAL WAVE.
COVERAGE OF SHOWERS AND THUNDERSTORMS WILL INCREASE OVERNIGHT AND
SUNDAY...WITH INCREASING WINDS AND WAVES.

.SHORT TERM (TONIGHT THROUGH SUNDAY NIGHT)...CONDITIONS WILL START
TO DETERIORATE TONIGHT AS SQUALLY WEATHER START REACHING THE FLORIDA
KEYS WATERS. THESE WILL BE ACCOMPANIED BY AN INCREASE OF WINDS AND
WAVES...ESPECIALLY NEAR THUNDERSTORMS AND SQUALLY WEATHER. HEAVY
RAINFALL WITH AMOUNTS OF 2 TO 4 INCHES...LOCALLY HIGHER...WILL BE
OBSERVED ALONG THE FLORIDA KEYS THROUGH MONDAY MORNING.
THEREFORE...URBAN FLOODING IN AREAS OF POOR DRAINAGE ARE LIKELY TO
OCCUR.

.LONG TERM (MONDAY THROUGH FRIDAY)...FROM THE 12Z GFS RUN...THIS
TROPICAL WAVE WILL SPEED UP WEST-NORTHWEST ACROSS THE FLORIDA KEYS
COASTAL WATERS TOMORROW SUNDAY. WINDS WILL THEN SUBSIDE TO NEAR 15
KNOTS STARTING SUNDAY NIGHT AS THIS WAVE MOVES TOWARD THE NORTHEAST
GULF OF MEXICO...DECREASING TO BELOW 10 KNOTS FROM WEDNESDAY ON. AT
THE SAME TIME...A HIGH PRESSURE AREA OVER THE ATLANTIC WILL SHIFT
WESTWARD...LOCATING ITSELF OFF THE MID-ATLANTIC STATES...KEEPING
WINDS FROM THE EAST TO SOUTHEAST THROUGH THE REST OF WEEK. A
WET...MORE NORMAL PATTERN FOR THIS TIME OF THE YEAR IS EXPECTED TO
ALSO STAY IN PLACE THIS WEEK. THEREFORE...POPS HAVE BEEN BUMP UP
REFLECTING A MORE CLIMO APPROACH BY THE END OF THE FORECAST PERIOD.

&&

.MARINE...A VIGOROUS TROPICAL WAVE WILL MOVE WEST-NORTHWESTWARD
ACROSS THE FLORIDA KEYS TONIGHT AND SUNDAY. PERIODS OF FRESH TO
STRONG BREEZES ARE LIKELY...ALONG WITH SQUALLY WEATHER. WINDS AND
SEAS WILL BE LOCALLY HIGHER IN AND NEAR SHOWERS AND THUNDERSTORMS. A
WEAK HIGH PRESSURE AREA WILL EXPAND TO THE FLORIDA PENINSULA IN WAKE
OF THE TROPICAL WAVE ON MONDAY...AND PERSIST THERE THROUGH
WEDNESDAY.

&&

.AVIATION...THROUGH 30/18Z...PREVAILING VFR CONDITIONS ARE EXPECTED AT
BOTH EYW AND MTH. HOWEVER...AN APPROACHING STRONG TROPICAL WAVE WILL
LEAD TO INCREASING FAST-MOVING SHOWERS...WITH SOME SQUALLS AND
THUNDERSTORMS AS WELL. MULTIPLE EPISODES OF INSTRUMENT METEOROLOGICAL
CONDITIONS WILL BE INCREASINGLY LIKELY AFTER 30/00Z...ASSOCIATED WITH
NUMEROUS SQUALLS AND THUNDERSTORMS...SOME PRODUCING HEAVY TO EXTREME
PRECIPITATION AND WINDS GUSTING LOCALLY 20-30 KNOTS.

&&

.KEY WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GM...NONE.
&&

PUBLIC/MARINE.........KN
AVIATION/NOWCASTS.....KASPER
DATA COLLECTION.......CHESSER

VISIT US ON THE WEB AT WEATHER.GOV/KEY

FOLLOW US ON FACEBOOK AND TWITTER AT...

WWW.FACEBOOK.COM/NWSKEYWEST
WWW.TWITTER.COM/NWSKEYWEST
Hazardous weather outlook, Aug 29, 5:49 PM EDT, 2 hours 19 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 9:19 PM EDTSpecial Marine WarningKEY26 min
Aug 29, 9:41 PM EDTSpecial Marine WarningKEY34 min
Aug 29, 10:07 PM EDTSpecial Marine WarningKEY23 min
Aug 29, 10:28 PM EDTSpecial Marine WarningKEY32 min
Aug 30, 12:10 AM EDTSpecial Marine WarningKEY65 min
Aug 30, 12:38 AM EDTSpecial Marine WarningKEY52 min
Aug 30, 1:13 AM EDTSpecial Marine WarningKEY32 min
Aug 30, 2:04 AM EDTSpecial Marine WarningKEY26 min
Aug 30, 2:31 AM EDTSpecial Marine WarningKEY59 min
Aug 30, 6:26 AM EDTSpecial Marine WarningKEY64 min
Aug 30, 8:46 AM EDTSpecial Marine WarningKEY59 min
Aug 30, 8:56 AM EDTSpecial Marine WarningKEY64 min
Aug 30, 10:37 AM EDTSpecial Marine WarningKEY53 min

Nearby

Special Marine Warnings in Florida, 2015Every special marine warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.