Weather Alert in Texas
Red Flag Warning issued March 14 at 2:28AM CDT until March 14 at 9:00PM CDT by NWS Austin/San Antonio TX
AREAS AFFECTED: Llano; Burnet; Williamson; Val Verde; Edwards; Real; Kerr; Bandera; Gillespie; Kendall; Blanco; Hays; Travis; Bastrop; Lee; Kinney; Uvalde; Medina; Bexar; Comal; Guadalupe; Caldwell; Maverick; Zavala; Frio; Atascosa; Wilson; Dimmit
DESCRIPTION: ...GUSTY WINDS AND VERY DRY AIR BEHIND A DRYLINE AND PACIFIC FRONT WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS FRIDAY AFTERNOON AND EARLY EVENING... .A dryline and Pacific cold front are expected to move across South Central Texas today. Strong west to northwest winds and very dry air behind the front will bring critical fire weather conditions across much of South Central Texas. These conditions will quickly spread eastward, becoming widespread along and west of the I-35 corridor. Sustained winds of 15 to 30 mph with gusts to 45 mph will coincide with minimum RH values of 5 to 15 percent along and west of the I-35 corridor late this morning through early this evening. Winds are forecast to diminish after sunset. Strong winds and very dry air are forecast across all of South Central Texas on Saturday and will result in another critical fire weather day. * AFFECTED AREA...Southern Edwards Plateau, Hill Country, Rio Grande Plains, and I-35 corridor. * TIMING...For the Red Flag Warning, from 10 AM this morning to 9 PM CDT this evening. For the Fire Weather Watch, from Saturday morning through Saturday evening. * WINDS...West to northwest 15 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop will rapidly increase in size and intensity, move quickly, and be very difficult to control.
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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
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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
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
