Area Forecast Discussion
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FXUS62 KKEY 261917
AFDKEY

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KEY WEST FL
220 PM EST THU FEB 26 2015

.DISCUSSION...
.CURRENTLY...
KBYX DETECTS NO PRECIPITATION ECHOES IN THE FORECAST AREA. SKIES
OVER THE ISLAND CHAIN ARE MOSTLY SUNNY. WINDS OVER LAND ARE SOUTH
TO SOUTHWEST AT 10 TO 15 MPH. C-MAN WINDS...ON AVERAGE...ARE SOUTH
TO SOUTHWEST NEAR 15 KNOTS...WITH GUSTS NEAR 20 KNOTS. TEMPERATURES
ARE NEAR 80 DEGREES.

.SHORT TERM (TONIGHT THROUGH SATURDAY NIGHT)...
A COLD FRONT WILL PASS THROUGH THE FLORIDA KEYS TONIGHT. A LARGE
AREA OF HIGH PRESSURE WILL PROGRESSES EASTWARD ACROSS THE OHIO
VALLEY AND MID ATLANTIC UNITED STATES FRIDAY THROUGH SATURDAY NIGHT.
RAIN CHANCES IN THE SHORT TERM PORTION OF THE FORECAST WILL BE
HIGHEST TONIGHT AHEAD OF THE APPROACHING COLD FRONT.

.LONG TERM (SUNDAY THROUGH THURSDAY)...
THE AFOREMENTIONED LARGE AREA OF HIGH PRESSURE WILL BE CENTERED OVER
VIRGINIA SUNDAY. THIS AREA OF HIGH PRESSURE WILL ENTER THE WESTERN
ATLANTIC OCEAN SUNDAY NIGHT. AN ATLANTIC RIDGE OF HIGH PRESSURE WILL
EXTEND ACROSS NORTH CENTRAL FLORIDA MONDAY THROUGH TUESDAY NIGHT.
THIS RIDGE OF HIGH PRESSURE WILL SHIFT SOUTHWARD WEDNESDAY...BEFORE
RETREATING EASTWARD WEDNESDAY NIGHT. A COLD FRONT MAY APPROACH THE
FLORIDA KEYS THURSDAY. NO MORE THAN SLIGHT CHANCE POPS ARE NEEDED IN
THE LONG TERM PORTION OF THE FORECAST AT THIS TIME.

&&

.MARINE...
MODERATE SOUTHWEST BREEZES WILL SHIFT TO NORTH AROUND MIDNIGHT
TONIGHT ON ALL KEYS COASTAL WATERS. NO ADVISORIES EXPECTED TONIGHT
THROUGH SATURDAY. A SMALL CRAFT ADVISORY WILL LIKELY BE REQUIRED FOR
THE COASTAL WATERS OF THE FLORIDA STRAITS SATURDAY NIGHT THROUGH
TUESDAY NIGHT.

&&

.AVIATION...
MAIN CONCERN FOR AVIATORS TONIGHT WILL BE A BROKEN BAND OF SHOWERS
MOVING OVER EYW AND MTH. TIMING FOR THESE SHOWERS IS A BEST GUESS AT
THE MOMENT AND WILL BE AMENDED AS THE SHOWERS APPROACH THE
TERMINALS. WINDS WILL BEGIN TO SHIFT QUICKLY AS THE LINE ARRIVES.
ONCE THIS LINE MOVES THROUGH THE FLORIDA KEYS...A DENSE CLOUD SHIELD
WILL REMAIN THROUGH AT LEAST FRIDAY MORNING...BRINGING IN PERIODS OF
IFR CEILINGS AND POTENTIAL LIFR CEILINGS...WITH WINDS SHIFTING FROM
THE NORTHWEST TO THE NORTHEAST.

&&

.CLIMATE...
ON THIS DATE IN FLORIDA KEYS WEATHER HISTORY...IN 1967...THE LOW
TEMPERATURE AT KEY WEST INTERNATIONAL AIRPORT WAS 49 DEGREES. THIS
SET THE DAILY RECORD FOR MINIMUM TEMPERATURE MEASURED IN KEY WEST ON
FEBRUARY 26TH...A RECORD WHICH STILL STANDS 48 YEARS LATER.
TEMPERATURE RECORDS AT KEY WEST DATE BACK TO 1872.

&&

.PRELIMINARY POINT TEMPS/POPS...
KEY WEST  70 77 71 80 / 40 20 20 20
MARATHON  71 78 71 81 / 40 20 20 20

&&

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

&&

$$

PUBLIC/MARINE/FIRE/CLIMATE/DIGITAL...BS
AVIATION.............................VICKERY
DATA COLLECTION......................MP

VISIT US ON THE WEB AT WEATHER.GOV/KEY

FOLLOW US ON FACEBOOK AND TWITTER AT...

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



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.