Weather Alert in Texas
Red Flag Warning issued February 20 at 12:48PM CST until February 21 at 9:00PM CST by NWS Corpus Christi TX
AREAS AFFECTED: La Salle; McMullen; Live Oak; Bee; Goliad; Webb; Duval; Jim Wells
DESCRIPTION: ...CRITICAL FIRE WEATHER CONDITIONS SATURDAY... .Significantly drier air is expected to move into the region in the wake of the cold front. This will lead to low to very low relative humidity values along with moderate to strong winds with Energy Release Component values in the 50th-89th percentile. The National Weather Service in Corpus Christi has issued a Red Flag Warning for Brush Country and northern Coastal Plains, which is in effect from noon to 9 PM CST Saturday. * AFFECTED AREA...La Salle, McMullen, Live Oak, Bee, Goliad, Webb, Duval and Jim Wells. * TIMING... * WINDS...North 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 percent. * TEMPERATURES...Up to 83. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended
INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Residents are urged to exercise care with respect to all outdoor activities that could inadvertently cause wildfires. Report wildfires quickly to the nearest fire department or law enforcement office.
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Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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