National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FXUS62 KKEY 271547
AFDKEY

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KEY WEST FL
1047 AM EST TUE JAN 27 2015

.DISCUSSION...HIGHLY AMPLIFIED FLOW ACROSS THE UNITED STATES...RIDGE
UP THE ROCKIES AND A BROAD-DEEP CYCLONE IMPACTING THE NORTHEAST.
AT THE SURFACE...RELATIVELY FLAT HIGH PRESSURE STRETCHES FROM THE
WESTERN GULF OF MEXICO TO THE WESTERN GREAT LAKES. SEVERAL SPOKES OF
ENERGY ASSOCIATED WITH THE DEEP CYCLONE HAVE CARVED OUT WEAK SURFACE
BOUNDARIES ACROSS THE SOUTHEASTERN UNITED STATES AND THE ATLANTIC
BIGHT. FRESH NORTHWEST BREEZES HAVE DECREASED ACROSS THE FLORIDA KEYS
COASTAL WATERS. SKIES ARE PARTLY CLOUDY AND THE RADAR IS ECHO FREE.
TEMPERATURES RANGE FROM 60 TO 68 AND DEWPOINTS ARE IN THE LOWER
50S...RELATIVELY COOL FOR OUR STANDARDS. THE FORECAST PACKAGE WAS
UPDATED TO ACCOUNT FOR TRANSITIONAL WORDING...OTHERWISE NO CHANGES
NEEDED.

&&

.MARINE...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL WINDS DECREASE.
FROM SYNOPSIS...NORTHWEST BREEZES WILL DIMINISH THIS AFTERNOON ON ALL
FLORIDA KEYS COASTAL WATERS. NORTHWEST TO NORTH BREEZES WILL FRESHEN
LATE TONIGHT WITH THE PASSAGE OF A REINFORCING COLD FRONT. A HIGH
PRESSURE SYSTEM OVER THE EASTERN UNITED STATES WILL DROP SOUTHWARD
WEDNESDAY THROUGH SATURDAY NIGHT.

&&

.AVIATION...VFR CONDITIONS WILL PREVAIL AT THE ISLAND TERMINALS
TODAY. NORTHWEST WINDS NEAR 10 KNOTS WILL EASE OFF A BIT THIS
AFTERNOON...THEN SURGE AGAIN LATE TONIGHT...BECOMING NORTH AT 15
KNOTS WITH GUSTS OF 20 TO 25 KNOTS.

&&

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

$$

PUBLIC/MARINE.........CLR
AVIATION/NOWCASTS.....11
DATA COLLECTION.......CHESSER

VISIT US ON THE WEB AT WWW.WEATHER.GOV/KEYWEST

FOLLOW US ON FACEBOOK AND TWITTER AT...

WWW.FACEBOOK.COM/NWSKEYWEST
WWW.TWITTER.COM/NWSKEYWEST