Scientific Forecaster Discussion
Area forecast discussion for the Florida Keys
National Weather Service Key West Florida
915 am EDT Wednesday Jul 23 2014
kbyx detects widely separated showers throughout the forecast area.
Skies over the island chain are partly cloudy. Winds over land are
southeast to south at 5 to 10 miles per hour. C-man winds...on average...are
southeast to south near 10 knots. Temperatures are in the middle to
Short term (this afternoon)...
in the low to middle levels of the atmosphere...an Atlantic ridge of
high pressure will build across south central Florida this
afternoon. In the upper levels of the atmosphere...an area of high
pressure will be centered just north of the Bahamas today. The 12z
kkey sounding is very unstable and typically moist for this time of
year...with a precipitable water (pwat) value just above one and
three quarters of an inch. Atmospheric moisture will remain constant
this afternoon. Near normal atmospheric conditions for the latter
half of July will result in a forecast based on climatology today.
gentle southeast to south breezes will prevail on all Keys coastal
waters this afternoon. No advisories or cautionary headlines
expected this afternoon through at least Sunday night.
VFR conditions will prevail at both the Key West international and
Marathon island terminals. Winds will average from between 110-140
degrees at 6 to 8 knots. Expect just some scattered cumulus clouds
with bases at 2000-2500 feet.
on this date in Keys weather history...in 1900...2.06 inches of rain
fell in Key West. This set the daily record for maximum rainfall
measured in Key West on July 23rd...a record which still stands 114
years later. Rainfall records at Key West date back to 1871.
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