Cloud Stalker: TROPICAL STORM FAY

Friday, August 15, 2008

TROPICAL STORM FAY

AT 800 PM AST...0000 UTC...THE CENTER OF TROPICAL STORM FAY WAS
ESTIMATED TO BE INLAND OVER HISPANIOLA NEAR LATITUDE 18.6
NORTH...LONGITUDE 70.2 WEST OR ABOUT 35 MILES... 55 KM...
WEST-NORTHWEST OF SANTO DOMINGO IN THE DOMINICAN REPUBLIC AND ABOUT
335 MILES...540 KM...EAST-SOUTHEAST OF GUANTANAMO CUBA.

FAY IS MOVING TOWARD THE WEST NEAR 14 MPH...22 KM/HR. A GENERAL
MOTION TOWARD THE WEST-NORTHWEST IS EXPECTED DURING THE NEXT DAY OR
SO. ON THE FORECAST TRACK...THE CENTER OF FAY WILL CONTINUE TO MOVE
ACROSS HISPANIOLA TONIGHT AND SATURDAY...AND PASS NEAR OR OVER
EASTERN CUBA SATURDAY NIGHT AND SUNDAY.

SHIP OBERVATIONS AND DATA FROM A RECONNAISSANCE PLANE INDICATE THAT
THE MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 45 MPH...75
KM/HR...WITH HIGHER GUSTS. THESE WINDS ARE OCCURING MAINLY OVER
WATER TO THE NORTH AND EAST OF THE CENTER. NO SIGNIFICANT CHANGE IN
STRENGTH IS EXPECTED WHILE THE CENTER OF FAY IS OVER HISPANIOLA.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM
PRIMARILY TO THE NORTH AND EAST OF THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1008 MB...29.77 INCHES.

TIDES OF 1 TO 2 FEET FEET ABOVE NORMAL CAN BE EXPECTED IN THE
WARNING AREA IN AREAS OF ONSHORE FLOW.

FAY IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8
INCHES OVER HISPANIOLA AND EASTERN CUBA...WITH ISOLATED MAXIMUM
AMOUNTS OF 12 INCHES. THESE RAINS MAY PRODUCE LIFE-THREATENING
FLASH FLOODS AND MUDSLIDES.

REPEATING THE 800 PM AST POSITION...18.6 N...70.2 W. MOVEMENT
TOWARD...WEST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS...45 MPH.
MINIMUM CENTRAL PRESSURE...1008 MB.

This one is coming close to home, one can only hope. I know its a sick thing to say but i love these storms and the sound of the wind coming off them is totally amazing!
Plus I am off Tuesday and Wednesday depending on where it makes land fall i will be there with my camera,. I am very excited about this i hope my weather void diminishes.
Here is Fay's visible satellite loop link if you want to watch her. I work tomorrow till 3pm as soon as i get home I will post an update. Until then be good and if u cant be good,be good at it.
Jess
Cloud Stalker

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HAIL (3/4 inch or greater)

Hail can cause significant damage to your vehicle, break windows and damage roofs of homes and businesses.
Hail can cause significant bodily injuries such as broken bones and even blindness if wind blown.
Softball (4.5 inches) sized hail was reported in Lake Wales, Florida on March 30, 1996.
Haildrifts, up to four feet deep of dime to nickel sized hail, occurred in low-lying areas near Zephyrhills, Florida on January 29, 1997.
Hailstones the size of softballs can fall at speeds faster than 100 mph

supercell

Supercells derive their rotation through tilting of horizontal vorticity (an invisible horizontal vortex) caused by wind shear. Strong updrafts lift the air turning about a horizontal axis and cause this air to turn about a vertical axis. This forms the deep rotating updraft, the mesocyclone.
A cap or capping inversion is usually required to form a downdraft of sufficient strength. The cap puts an inverted (warm-above-cold) layer above a normal (cold-above-warm) boundary layer, and by preventing warm surface air from sinking too far, allows one or both of the following:
Air below the cap warms and/or becomes more moist
Air above the cap cools
This creates a warmer, moister layer below a cooler layer, which is increasingly unstable (because warm air is less dense and tends to rise). When the cap weakens or moves, explosive development follows.
In North America, supercells usually show up on Doppler radar as starting at a point or hook shape on the southwestern side, fanning out to the northeast. The heaviest precipitation is usually on the southwest side, ending abruptly short of the rain-free updraft base or main updraft (not visible to radar). The rear flank downdraft, or RFD, carries precipitation counterclockwise around the north and northwest side of the updraft base, producing a "hook echo" that indicates the presence of a mesocyclone.