Weather Alert in Florida
Hydrologic Outlook issued July 12 at 3:49PM EDT by NWS Miami FL
AREAS AFFECTED: Broward, FL; Collier, FL; Glades, FL; Hendry, FL; Miami-Dade, FL; Monroe, FL; Palm Beach, FL
DESCRIPTION: ESFMFL Broad low/mid level cyclonic flow around the disturbance, combined with the very high moisture values, will result in periods of rainfall at most times of the day, not just during peak diurnal cycles. The wind flow on Monday will be light due to a northerly in the upper levels and a light southerly flow at the surface. The 500 mb temp will also be around -4 to -5C which is warm for this time of year. This means that there could be nearly stationary showers and thunderstorms on Monday over South Florida which will exceed 1 inch over most of the area, with high-end amounts in excess of 3 inches, in some areas perhaps quite a bit higher. WPC's Excessive Rainfall Outlook is currently showing a slight risk of flooding over South Florida for Monday. Tuesday and Wednesday's rainfall amounts could be similar, if not even higher in some areas, as the wind flow shifts to S/SE direction allowing for deep tropical moisture to work into the region keeping the very high moisture values in place. WPC's Excessive Rainfall Outlook has put South Florida in a Slight Risk Of Flooding for Tuesday and Marginal Risk of Flooding for Wednesday. At this time, it looks like rainfall amounts of 2 to 4 inches with locally higher amounts up to 6 inches are possible through Wednesday. There could even be higher amounts with the storms train or sit over the same area. If these trends continue in later forecast through the weekend, but a Flood Watch may be needed for South Florida for early next week.
INSTRUCTION: N/A
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Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
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