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From: Thomas Giella, KN4LF (kn4lf{at}gbronline.com)
Date: Mon Nov 18 2002 - 16:14:38 EST
Published Monday 11/19/02 10:00 AM EST
Quite a chilly sunrise across Florida this morning with subfreezing
temperatures dipping southwards into the rural inland central peninsula. The
cold spot in the state was 30 deg. at Perry on the peninsula north and East
Nobleton in Sumter County on the central peninsula. Here in Plant City I
observed 36 deg. with some frost on the roof and the ground in my wind
sheltered area.
Normally the second night after a cold frontal passage is the coldest night,
as skies clear, winds die off and low dewpoints are in place, a perfect
textbook example of radiational cooling. However, tonight's temperature
forecast is quite tricky, as the surface high pressure system center is
already near the longitude of Tallahassee and shifting east in the
progressive (fast moving) jet stream and NNE surface wind flow is already
showing up. Also some high clouds may move in from the west late tonight
ahead of the next storm system. This would all add up to a warmer night
tonight over the central and southern peninsula.
A fly in the ointment is that a northerly drainage wind may set up down the
peninsula, as troughiness forms east of the state overnight. This drainage
wind will allow for a very rapid temperature fall through midnight across
the southern peninsula, around 3:00 am on the central peninsula and and all
night fall across the northern peninsula and central panhandle.
So for tonight in inland rural areas I look for low temperatures in the mid
to upper 20's central panhandle and peninsula north, upper 20's to low 30's
north central peninsula, low to mid 30's central peninsula, mid to upper
30's south central peninsula, upper 30's to low 40's northern Everglades and
mid 40's to low 50's southern Everglades.
Some selected minimum temperatures For 11/18/02.
Panhandle North-
Bronson- 35
Chipley-
Crestview- 31
De Funiak Springs-
Jay- 35
Marianna-
Quincy- 32
Tallahassee- 32
Non Panhandle North-
Alachua- 31
Bell- 32
Cross City- 32
Gainesville- 34
Glen St. Mary- 34
Hastings-
Jacksonville-
Jasper- 32
Lake Butler- 33
Lake City-
Live Oak- 31
Madison- 31
Mayo- 32
Middleburg- 32
Monticello-
Perry- 30
Putnam Hall- 34
North Central-
Apopka-
Avalon-
Brooksville East- 31
Brooksville South- 34
Chiefland-
Citra-
Inverness- 33
Lady Lake-
Nobleton East- 30
Ocala- 33
Ocklawaha-
Okahumpka-
Orlando- (Urban)
Pierson-
Plymouth- 34
Tavares-
Umatilla-
Central-
Balm 40
Dover- 40
Kissimmee-
Knights Station- 36
Lakeland-
Melbourne- (Urban)
Palm Bay-
Plant City West- 36
Ruskin-
San Antonio-
Scottsmoor- 37
St. Leo-
St. Pete./Clearwater- (Urban)
Tampa- (Urban)
South Central/Northern Everglades-
Avon Park- 44
Archbold- 44
Belle Glade- 44
Fort Myers-
Fort Pierce-
Moore Haven-
Okeechobee- 43
Ona- 42
Punta Gorda- 44
Venus- 36
Vero Beach-
Southern Everglades-
Brighton- 41 Devils Garden- 45
Felda-
Homestead- 47
Immokalee- 43
Naples-
Perrine-
South Bay- 41
West Kendall-
73,
Thomas Giella, KN4LF
Plant City, FL, USA
KN4LF 160 meter Amateur Radio Resources & More:
http://www.kn4lf.com
FL Meteorological & Climatic Institute:
http://www.kn4lf.com/sub/fmci.htm
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