Weather Alerts for Florida

Recent Locations: Miami International Airport, FL

1. Extreme Heat Watch for: Baker; Inland Nassau; Inland Flagler; Eastern Hamilton; Coastal Nassau; Coastal Duval; Eastern Clay; Eastern Putnam; Trout River; Western Clay; Western Putnam; Northern Columbia; South Central Duval; Western Duval; Northern Inland St. Johns; Southern Inland St. Johns; Western St. Johns; Wayne; Pierce; Brantley; Inland Glynn; Coastal Glynn; Echols; Clinch; Inland Camden; Coastal Camden; Northern Ware; Northeastern Charlton; Southern Ware; Western Charlton

2. Extreme Heat Watch for: Inland Volusia; Northern Lake County; Orange; Seminole; Coastal Volusia; Southern Lake County

3. Extreme Heat Watch for: North Walton; 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; Early; Miller; Baker; Mitchell; Colquitt; Cook; Berrien; Seminole; Decatur; Grady; Thomas; Brooks; Lowndes; Lanier

4. Extreme Heat Watch for: Sumter; Coastal Levy; Coastal Citrus; Coastal Hernando; Inland Levy; Inland Citrus; Inland Hernando

5. Extreme Heat Watch for: Suwannee; Union; Bradford; Gilchrist; Eastern Alachua; Coastal Flagler; Eastern Marion; Western Hamilton; Northeast Coastal St. Johns; Western Alachua; Central Marion; Southeast Coastal St. Johns; Western Marion; Southeastern Columbia; Southwestern Columbia

6. Heat Advisory for: Coastal Indian River; Coastal St. Lucie; Coastal Martin; Inland Indian River; Inland St. Lucie; Inland Martin

7. Heat Advisory for: Osceola; Okeechobee; Inland Northern Brevard; Mainland Northern Brevard; Northern Brevard Barrier Islands; Inland Southern Brevard; Mainland Southern Brevard; Southern Brevard Barrier Islands

8. Heat Advisory for: Pinellas; Polk; Hardee; Highlands; DeSoto; Coastal Pasco; Coastal Hillsborough; Coastal Manatee; Coastal Sarasota; Inland Pasco; Inland Hillsborough; Inland Manatee; Inland Sarasota

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

National Weather Forecast--Current

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National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

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

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