Weather Alert in Florida
Heat Advisory issued July 20 at 2:50AM EDT until July 20 at 7:00PM EDT by NWS Tallahassee FL
AREAS AFFECTED: Central Walton; Holmes; Washington; Jackson; Inland Bay; Calhoun; Inland Gulf; Inland Franklin; Gadsden; Leon; Inland Jefferson; Madison; Inland Wakulla; Inland Taylor; Lafayette; Inland Dixie; South Walton; Coastal Bay; Coastal Gulf; Coastal Franklin; Coastal Jefferson; Coastal Wakulla; Coastal Taylor; Coastal Dixie; Northern Liberty; Southern Liberty; Dougherty; Lee; Worth; Turner; Tift; Ben Hill; Irwin; Baker; Mitchell; Colquitt; Cook; Berrien; Seminole; Decatur; Grady; Thomas; Brooks; Lowndes; Lanier
DESCRIPTION: * WHAT...Heat index values up to 112 expected. * WHERE...Portions of the Big Bend and Panhandle of Florida and south central and southwest Georgia. * WHEN...From 11 AM EDT /10 AM CDT/ this morning to 7 PM EDT /6 PM CDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sunshine, and check up on relatives and neighbors. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening.Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible.
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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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