# National Weather Service Baltimore/Washington

The National Weather Service Baltimore/Washington is a local office of the National Weather Service responsible for monitoring weather conditions in 44 counties in eastern West Virginia, northern and central Virginia, the majority of the state of Maryland, as well as the city of Washington, D.C. Although labeled as the NWS Baltimore/Washington, its actual location is off Old Ox Road (Virginia State Route 606) in the Dulles section of Sterling, Virginia, adjacent to Washington Dulles International Airport.
The NWS Baltimore/Washington currently employs about 25 people including meteorologists, support personnel, and management staff, working rotating shifts 24 hours a day, 7 days a week.
As of November 10, 2020, the National Weather Service Baltimore/Washington is responsible for Cecil County, Maryland, rather than the National Weather Service Mount Holly/Philadelphia. As of the same date, the National Weather Service Baltimore/Washington is responsible for Garrett County, Maryland, rather than the National Weather Service Pittsburgh.

## Jurisdictions served
### District of Columbia

* Washington, D.C.

### Maryland
#### Counties

* Allegany County
* Anne Arundel County
* Baltimore County
* Calvert County
* Carroll County
* Cecil County (from November 10, 2020)
* Charles County
* Frederick County
* Garrett County (from November 10, 2020)
* Harford County
* Howard County
* Montgomery County
* Prince George's County
* St. Mary's County
* Washington County

#### Independent city

* City of Baltimore

### Virginia
#### Counties

* Albemarle County
* Arlington County
* Augusta County
* Clarke County
* Culpeper County
* Fairfax County
* Fauquier County
* Frederick County
* Greene County
* Highland County
* King George County
* Loudoun County
* Madison County
* Nelson County
* Orange County
* Page County
* Prince William County
* Rappahannock County
* Rockingham County
* Shenandoah County
* Spotsylvania County
* Stafford County
* Warren County

#### Independent cities

* City of Alexandria
* City of Charlottesville
* City of Fairfax
* City of Falls Church
* City of Fredericksburg
* City of Harrisonburg
* City of Manassas
* City of Manassas Park
* City of Staunton
* City of Waynesboro
* City of Winchester

### West Virginia

* Berkeley County
* Grant County
* Hampshire County
* Hardy County
* Jefferson County
* Mineral County
* Morgan County
* Pendleton County

## Aviation weather services locations

* Maryland
** Baltimore–Washington International Airport (Linthicum)
** Martin State Airport (Middle River)
* Virginia
** Charlottesville-Albemarle Airport (Charlottesville)
** Ronald Reagan Washington National Airport (Arlington)
** Washington Dulles International Airport (Chantilly/Sterling)
* West Virginia
** Shepherd Field/Eastern West Virginia Regional Airport (Martinsburg)

## First-order/climate sites

* Maryland
** Baltimore–Washington International Airport (Linthicum)
** Hagerstown Regional Airport
** Maryland Science Center (Baltimore)
* Virginia
** Charlottesville-Albemarle Airport
** Ronald Reagan Washington National Airport (Arlington)
** Washington Dulles International Airport (Chantilly/Sterling)
* West Virginia
** Eastern WV Regional Airport (Martinsburg)

## NOAA Weather Radio

The National Weather Service Baltimore/Washington forecast office provides programming for eight NOAA Weather Radio stations.
| City of license | Call sign | Frequency (MHz) | Power | Service area of transmitter |
| Baltimore, Maryland | KEC83 | 162.400 MHz | 1,000 watts | Baltimore Metro Area and northeastern Maryland |
| Hagerstown, Maryland | WXM42 | 162.475 MHz | 1,000 watts | Central Maryland, Northern Shenandoah Valley |
| Manassas, Virginia | KHB36 | 162.550 MHz | 1,000 watts | Northern Virginia |
| Moorefield, West Virginia | WXM73 | 162.400 MHz | 500 watts | Potomac Highlands, Shenandoah Valley |
| Frostburg, Maryland | WXM43 | 162.425 MHz | 300 watts | Western Maryland, Potomac Highlands |
| Charlottesville, Virginia | KZZ28 | 162.450 MHz | 1,000 watts | Charlottesville Metro Area and Central Virginia |
| Washington, D.C. | WNG736 | 162.450 MHz | 300 watts | Immediate Washington Metro Area |
| Fredericksburg, Virginia | WZ2527 | 162.425 MHz | 300 watts | Fredericksburg Metro Area and Northern Virginia |