Weather Alert in Texas
Flash Flood Warning issued July 4 at 7:57PM CDT until July 5 at 12:00AM CDT by NWS Austin/San Antonio TX
AREAS AFFECTED: Comal, TX; Kendall, TX
DESCRIPTION: FFWEWX The National Weather Service in Austin/San Antonio has extended the * Flash Flood Warning for... Central Comal County in south central Texas... Central Kendall County in south central Texas... * Until midnight CDT tonight. * At 757 PM CDT, Flash flooding is ongoing or about to occur from near Bergheim and down the Guadalupe River and to the Spring Branch area later tonight. A big wave of rushing water will affect the areas along the river including secondary roads and low sections of the Guadalupe State Park. Take action now. HAZARD...Life threatening flash flooding. SOURCE...Rainfall amounts information and river data. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Canyon Lake, Guadalupe River State Park, Spring Branch, Sisterdale and Honey Creek State Natural Area.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Stay away or be swept away. River banks and culverts can become unstable and unsafe. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.
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Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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