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Spring Hill, Florida Area
11-29-2009, 09:58 PM
Post: #1021
Spring Hill, Florida Area
November 27, 2009 Observations:
Daytime High was 58° F
Overnight Low was 45° F
Mean Temperature was 51.5° F

Average Daytime High is 76° F
Average Overnight Low is 50° F
Average Mean for date 63° F

Record High is 89° in 1995
Record Low is 34° in 1977

Sunny with some high cirrus clouds occasionally

Dewpoints in the low 40's

Winds north at 5-12 mph

Forecast for Saturday the 28th:
Today: Partly sunny, with a high near 66. North northeast wind between 6 and 8 mph.

Tonight: Partly cloudy, with a low around 38. Calm wind
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11-29-2009, 09:58 PM
Post: #1022
Spring Hill, Florida Area
November 28, 2009 Observations:
Daytime High was 70° F
Overnight Low was 42° F
Mean Temperature was 56° F

Average Daytime High is 76° F
Average Overnight Low is 50° F
Average Mean for date 63° F

Record High is 89° in 1990
Record Low is 40° in 1999

High Cirrus clouds and sun mixed

Winds north/northeast at 5-10 mph

Dewpoints in the low 40's

Forecast for Sunday the 29th:
Today: Mostly sunny, with a high near 72. East wind at 6 mph becoming west.

Tonight: Mostly clear, with a low around 40. West northwest wind around 6 mph becoming calm.
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11-29-2009, 10:00 PM
Post: #1023
Spring Hill, Florida Area
[COLOR="Red"]SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
138 PM EST SUN NOV 29 2009[/COLOR]


Levy-Citrus-Sumter-Hernando-Pasco-Pinellas-Hillsborough-Polk-Manatee-Hardee-Highlands-Sarasota-De Soto-Charlotte-Lee

Including the cities of Cedar Key...Chiefland..Crystal River...Inverness..Bushnell...The Villages... Brooksville..Spring Hill...New Port Richey...Zephyrhills...Clearwater...St. Petersburg...Brandon...Tampa...Lakeland...Winter Haven...Bradenton...Wauchula...Sebring...Avon Park...Sarasota...Venice...Arcadia...Port Charlotte...Punta Gorda...Cape Coral...Fort Myers

1:38 p.m. EST Sunday November 29, 2009

Potential for Severe Storms and Coastal Hazards Wednesday through Thursday.

An area of Low Pressure is expected to develop over the Western Gulf of Mexico on Tuesday. This low is then expected to intensify as it moves Northeast toward the Northern Gulf coast Tuesday night and into the Southeastern states on Wednesday...Then up along the mid-Atlantic coast Wednesday night and Thursday. Ahead of the Low an increasing moist southerly wind flow will develop over West Central and Southwest Florida during Tuesday night and Wednesday. This increasing southerly flow will help build seas over the adjacent gulf waters. These building seas will generate large breaking waves...dangerous rip currents and high surf along area beaches Wednesday through Thursday with above normal tides causing some coastal flooding at times of high tide.

The strong southerly wind flow and increasing seas will make for hazardous boating conditions over the adjacent gulf waters...and mariners...fishermen...and boating enthusiasts may want to postpone trips into the gulf until conditions improve late in the week.

As the low pressure area lifts northeast into the southeastern states on Wednesday a trailing cold front will approach from the west during the day. An increasingly moist and unstable air mass ahead of this front will set the stage for showers and thunderstorm to develop along and ahead of the front as it moves toward west central and southwest Florida. Current timing of this front would bring showers and thunderstorms into the Nature Coast by early afternoon on Wednesday...with this activity spreading south toward Tampa Bay area mid to late afternoon...and then across southwest Florida Wednesday night.

At the current time sufficient low level moisture combined with strong pre-frontal convergence and increasing wind shear within the atmosphere may support some strong to severe storms as the front moves south through the region...especially from the Bay area north through the Nature Coast...with the main hazards being damaging winds and possible tornadoes and marine waterspouts. In addition
locally heavy rainfall and deadly lightning strikes will accompany storms.

All residents and visitors of West Central and Southwest Florida should remain alert to rapidly changing weather conditions during Wednesday and Wednesday night.
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11-30-2009, 12:38 AM
Post: #1024
Spring Hill, Florida Area
[Image: image2.gif]

Long Term Map
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11-30-2009, 09:20 AM
Post: #1025
Spring Hill, Florida Area
November 29, 2009 Observations:
Daytime High was 70° F
Overnight Low was 47° F
Mean Temperature was 58.5° F

Average Daytime High is 76° F
Average Overnight Low is 50° F
Average Mean for date 63° F

Record High is 89° in 1990
Record Low is 31° in 1988

Mostly Sunny

Dewpoints in the mid 40's

Winds light out of the northeast

Forecast for Monday the 30th:
Today: Mostly sunny, with a high near 76. Southwest wind between 6 and 8 mph.

Tonight: Partly cloudy, with a low around 54. West wind around 5 mph becoming calm.
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12-01-2009, 05:06 AM
Post: #1026
Spring Hill, Florida Area
....

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12-01-2009, 08:57 AM
Post: #1027
Spring Hill, Florida Area
November 30, 2009 Observations:
Daytime High was 74° F
Overnight Low was 48° F
Mean Temperature was 61° F

Average Daytime High is 76° F
Average Overnight Low is 50° F
Average Mean for date 63° F

Record High is 88° in 1978
Record Low is 30° in 1979

Sun and high cirrus clouds through the morning into early afternoon

Dewpoints rising to the mid 50's

Winds variable at 5-7 mph then south/southwest at 5-10 mph

Forecast for Tuesday, December 1st:
Today: A 20 percent chance of showers. Mostly cloudy, with a high near 75. East northeast wind between 6 and 9 mph.

Tonight: A 20 percent chance of showers. Mostly cloudy, with a low around 64. East southeast wind around 11 mph, with gusts as high as 21 mph.
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12-01-2009, 08:58 AM
Post: #1028
Spring Hill, Florida Area
November 2009 Observations for Month:
Average Daytime High was 74.7° F (3.9° below normal)
Average Overnight Low was 58.1° F (4.9° above normal)
Average Mean was 66.4° (0.5° above normal)

Highest Daytime Temperature was 84° on November 10th
"Coolest" Overnight Low Temperature was 42° on November 28th

Coolest Maximum High was 58° on November 27th
Warmest Minimum Low was 71° on November 10th and 11th

Total Rainfall = 1.47” (0.57" below normal).

Record Monthly High is 91° occurring in 1988
Record Monthly Low is 23° occurring in 1970
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12-01-2009, 02:58 PM
Post: #1029
Spring Hill, Florida Area
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12-01-2009, 05:55 PM
Post: #1030
Spring Hill, Florida Area
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
146 PM EST TUE DEC 1 2009

...SLIGHT RISK FOR SEVERE WEATHER WEDNESDAY AFTERNOON THROUGH EARLY THURSDAY...

SHORT TERM (TONIGHT-THURSDAY)...THE STALLED BOUNDARY IN PLACE ACROSS THE TAMPA BAY AREA WILL LIFT NORTH TONIGHT AS A LOW PRESSURE AREA IN THE WESTERN GULF LIFTS NE INTO THE LA/MA/AL/WEST FL PANHANDLE REGION. THE LOW WILL CONTINUE TO TRACK NE THURSDAY AND DRAG A COLD FRONT THROUGH THE AREA LATE WEDNESDAY AFTERNOON/WEDNESDAY NIGHT INTO EARLY THURSDAY MORNING BRINGING SHOWERS AND SOME STRONG TO POSSIBLY SEVERE THUNDERSTORMS ACROSS THE
AREA. A STRONG LOW LEVEL JET WILL BE IN PLACE ACROSS THE NORTHERN HALF OF THE AREA ALONG WITH GOOD INSTABILITY AHEAD OF THE FRONT TO ALLOW FOR THE POSSIBILITY OF THUNDERSTORMS WITH 50+ KNOT WIND GUSTS...HAIL AND POSSIBLY AN ISOLATED TORNADO...MAINLY IN THE WEDNESDAY NIGHT TIME FRAME. THE BOUNDARY WILL THEN STALL ACROSS SOUTH FL THURSDAY WITH RAIN CHANCES CONTINUING ACROSS THE SOUTHERN HALF OF THE AREA AS HIGH PRESSURE BUILDS INTO THE NORTH.

WINDS WILL INCREASE AHEAD OF THE FRONT TONIGHT AND MAY CAUSE SOME COASTAL FLOODING FROM MANATEE COUNTY NORTH THROUGH LEVY COUNTY. WATER LEVELS ARE EXPECTED TO BE 3-4FEET ABOVE NORMAL FROM MANATEE NORTH TO HERNANDO DURING HIGH TIDES...AND 4-5FEET ABOVE NORMAL FOR THE CITRUS AND LEVY COUNTY COASTS. IN ADDITION...WILL BE WATCHING FOR POSSIBLE HIGH SURF ADVISORY CONDITIONS/HIGH RISK OF RIP CURRENTS WEDNESDAY AFTERNOON THROUGH EARLY THURSDAY AS WINDS AND SEAS INCREASE AND TURN ONSHORE AHEAD OF THE SYSTEM. A LAKE WIND ADVISORY MAY ALSO BECOME NECESSARY WEDNESDAY AFTERNOON AS WINDS OVER LAND WILL BE BREEZY.

LONG TERM (THURSDAY NIGHT-TUESDAY)...MODELS REMAIN FAIRLY CONSISTENT IN SHOWING THE FRONT STALLING OUT ACROSS THE SOUTHERN PENINSULA THURSDAY NIGHT INTO FRIDAY AS IT BECOMES PARALLEL TO THE UPPER FLOW. ADDITIONAL SHORT WAVE ENERGY MOVING THROUGH THE BASE OF THE EASTERN U.S. TROUGH WITH ATTENDANT WEAK AREAS OF LOW PRESSURE DEVELOPING ALONG THE FRONT OVER THE GULF WILL MOVE ACROSS THE FORECAST AREA FRIDAY THROUGH EARLY SATURDAY WITH AN OVERRUNNING TYPE EVENT WITH CONSIDERABLE CLOUDINESS AND STRATIFORM RAINS..SOME OF WHICH COULD BE LOCALLY HEAVY IN SOME LOCATIONS. MEX AND ENSEMBLE POP GUIDANCE HAS INCREASED CONSIDERABLY (POPS IN THE 80-90% RANGE) FROM PREVIOUS RUNS...SO HAVE BUMPED UP CURRENT GRIDDED POPS INTO THE 50-70% RANGE FROM NORTH TO SOUTH DURING THIS TIME FRAME.

DRIER AIR WILL MOVE INTO THE REGION LATE SATURDAY AS THE SHORT WAVE AND WEAK SURFACE LOW MOVES EAST OF THE REGION WITH THE FRONT AND DEEP MOISTURE AXIS SHIFTING SOUTH AND EAST AS SURFACE HIGH PRESSURE BUILDS IN FROM THE NORTHWEST WITH PLEASANT DRY WEATHER EXPECTED ON SUNDAY. DURING SUNDAY NIGHT THROUGH TUESDAY MAY AGAIN SEE SOME LOW CHANCES FOR SOME SHOWERS AS ADDITIONAL SHORT WAVE ENERGY MOVES OVERHEAD WITHIN THE PROGRESSIVE FLOW PATTERN...SO WILL DEPICT 20% POPS IN THE GRIDS FOR MONDAY AND TUESDAY. TEMPERATURES WILL RUN SLIGHTLY BELOW NORMAL FRIDAY THROUGH SUNDAY...THEN RETURN TO NEAR NORMAL LEVELS EARLY NEXT WEEK AS THE LOW LEVEL FLOW BECOMES EAST.
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