Maryland State Climatologist Office
Department of Atmospheric & Oceanic Science

Welcome

The Maryland State Climatologist Office (MDSCO) resides in the Department of Atmospheric and Oceanic Science at the University of Maryland; it was established in the 1980s. Its mission is to 1) provide climate information services including data; 2) develop analyses and products to educate Marylanders on current and emerging climate; 3) place extreme events in historical perspective; and 4) support the Maryland Mesonet Project.

Check for Hazardous Weather from the National Weather Service
 West of the Bay, Eastern Shore & Southern MD
Alerts & Radar
Weather Safety for all Hazards
⚠️ ACTIVE: Severe Thunderstorm Watch
WHERE: Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Tidal Potomac from Key Bridge to Indian Head MD; Patapsco River including Baltimore Harbor
VALID UNTIL: 10:00 PM, Jun 11
DATA AS OF: Jun 11, 5:36 PM
Last Updated: Jun 11, 5:36 PM
(Updates every 10 minutes)
Other Active Alerts:
Heat Advisories: 2


Maryland Climate Bulletin: April 2026