Weather Alerts for Virginia

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1. Cold Weather Advisory for: Caroline; Dinwiddie; Prince George; Charles City; New Kent; Western Hanover; Eastern Hanover; Western Chesterfield; Eastern Chesterfield (Including Col. Heights); Western Henrico (Including the City of Richmond); Eastern Henrico; Western King William; Eastern King William

2. Cold Weather Advisory for: Fluvanna; Cumberland; Goochland; Nottoway; Amelia; Powhatan; Western Louisa; Eastern Louisa

3. Cold Weather Advisory for: Greensville; Sussex

4. Cold Weather Advisory for: Nelson; Albemarle; Greene; Madison; Culpeper

5. Cold Weather Advisory for: Norfolk/Portsmouth; Virginia Beach

6. Cold Weather Advisory for: Orange; Spotsylvania

7. Cold Weather Advisory for: Rappahannock; Stafford; King George; Southern Fauquier

8. Cold Weather Advisory for: Smyth; Bland; Giles; Wythe; Pulaski; Montgomery

9. Cold Weather Advisory for: Tazewell; Mercer; Summers; Monroe

10. Cold Weather Advisory for: Western King and Queen

11. Cold Weather Advisory for: Westmoreland; Richmond; Northumberland; Lancaster; Middlesex; Eastern King and Queen; Western Essex; Eastern Essex

12. Extreme Cold Warning for: Accomack; Northampton

13. Extreme Cold Warning for: Bath

14. Extreme Cold Warning for: Eastern Highland; Eastern Pendleton

15. Extreme Cold Watch for: Norfolk/Portsmouth; Virginia Beach

16. High Wind Warning for: Accomack; Northampton

17. High Wind Warning for: Bath

18. High Wind Warning for: Eastern Highland; Eastern Pendleton

19. High Wind Warning for: Norfolk/Portsmouth; Virginia Beach

20. Wind Advisory for: Caroline; Dinwiddie; Prince George; Charles City; New Kent; Western Hanover; Eastern Hanover; Western Chesterfield; Eastern Chesterfield (Including Col. Heights); Western Henrico (Including the City of Richmond); Eastern Henrico; Western King William; Eastern King William

21. Wind Advisory for: Greensville; Sussex

22. Wind Advisory for: Nelson; Albemarle; Greene; Madison; Culpeper

23. Wind Advisory for: Rappahannock; Stafford; King George; Southern Fauquier

24. Wind Advisory for: Smyth; Bland; Giles; Wythe; Pulaski; Montgomery

25. Wind Advisory for: Tazewell; Mercer; Summers; Monroe

26. Wind Advisory for: Western King and Queen

27. Wind Advisory for: Westmoreland; Richmond; Northumberland; Lancaster; Middlesex; Eastern King and Queen; Western Essex; Eastern Essex

28. Winter Weather Advisory for: Dickenson; Buchanan; Wayne; Cabell; Mason; Jackson; Wood; Pleasants; Tyler; Lincoln; Putnam; Kanawha; Roane; Wirt; Calhoun; Ritchie; Doddridge; Mingo; Logan; Boone; Clay; Braxton; Gilmer; Lewis; Harrison; Taylor; McDowell; Wyoming; Southeast Pocahontas

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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

The Current National Weather Forecast and National Weather Map are shown below.

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 Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

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