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USNA Weather
Graduation Forecast (24 MAY 2018)
Executive Summary: Thursday: Sunny and pleasant. Northeast wind 5-10 mph. High near 80 oF. Friday: Sunny and seasonably warm with gradually increasing humidity. South wind 8-13 mph. High: 80-84 oF. Forecast... Read more
Commissioning Week Weather Forecast (23 MAY 2018)
Executive Summary : Wednesday: Early morning patchy fog will give way to partly sunny skies and comfortable conditions. Northwest wind 5-10 mph. High near 80 oF. Thursday: Sunny and pleasant. North wind 5-10 mph. High:... Read more
Commissioning Week Weather Forecast (21 MAY 2018)
Executive Summary: Monday: Mostly sunny and pleasant. Increasing clouds with a slight chance for scattered showers/storms overnight (25% chance). East wind around 5 mph. High near: 77 oF. Tuesday: A mix of... Read more
Commissioning Week Weather Outlook (16 MAY 2018)
Executive Summary (Updated 18 May 2018 at 1430 EDT): Saturday: Seasonable with periods of steady rain during the day (80% chance). Off-and-on drizzle with scattered showers and thunderstorms in the evening/overnight (50%... Read more
Commissioning Week Weather Forecast (24 MAY 2017)
Executive Summary: Wednesday: Mostly cloudy with light rain showers possible during the morning commute. A mix of clouds and sun by midday with increasing clouds and rain likely overnight (75% chance). East wind 5-10 mph. High: 68-72... Read more
Commissioning Week Weather Forecast (22 MAY 2017)
Executive Summary (Updated 0900 EDT on 23 May 2017): Tuesday: Mostly cloudy with rain showers likely in the afternoon (60% chance). Northeast wind 5-10 mph. High: 68-72 oF. Wednesday: Mostly cloudy conditions in the morning... Read more
Commissioning Week Weather Outlook (17 MAY 2017)
Executive Summary (Updated on 19 May at 0845 EDT): Saturday: Scattered morning showers/drizzle will give way to mostly cloudy skies and noticeably cooler conditions. A slight chance of light rain showers/sprinkles overnight... Read more
Tricky travel possible for the start of Spring Break (09 MAR 2017)
 A quick moving, but potent Clipper system will swing through the Mid-Atlantic region on Friday.  The figure below shows the center of the storm off the Delmarva Peninsula at 0700 EST on March 10.  The... Read more
Light snow possible Thursday night. Frigid temperatures over the weekend (05 JAN 2017)
A quick moving Clipper will result in snowfall overnight on Thursday with unseasonably cold temperatures in its wake over the weekend.  A upper air disturbance (i.e. "Clipper") is over across the Midwest on Thursday morning and... Read more
Winter arrives this weekend (14 DEC 2016)
A complex weather pattern is on tap over the next few days.  First, a potent cold front will push through tonight.  Some light snow showers will be possible before dawn on Thursday.  Behind the front, expect... Read more
The Tropics Are Waking Up (29 AUG 2016)
The Atlantic Ocean has seen an uptick in tropical activity over the last week and that trend is expected to continue over the next two weeks (or more).  The image below from the National Hurricane Center (NHC) shows the... Read more
Class of 2016 Graduation Forecast (26 May 2016)
An Air Quality Alert (Code Orange) has been issued for Anne Arundel County, MD on Thursday, May 26. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups... Read more
Commissioning Week Weather Forecast (25 May 2016)
An Air Quality Alert (Code Orange) has been issued for Anne Arundel County, MD on Wednesday, May 25. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups... Read more
Commissioning Week Weather Forecast (23 May 2016)
Executive Summary: Commissioning Week Weather Forecast Monday: Partly cloudy with scattered showers and isolated thunderstorms possible in the afternoon/evening (50% chance).  North wind 5-10 mph. High near 70 oF. Tuesday:... Read more
Commissioning Week Weather Outlook (20 May 2016)
Executive Summary: Commissioning Week Weather Outlook Saturday: Cold and raw with periods of rain (90% chance). Rain could be heavy at times during the day, but will taper to light showers/sprinkles during the evening. Northeast wind... Read more
Commissioning Week Weather Outlook (18 May 2016; Updated 19 May)
Executive Summary: Commissioning Week Weather Outlook Saturday: Cold and raw with periods of rain likely (90% chance). Rain could be heavy at times during the day. Northeast wind 10-15 mph, gusting to 25 mph. Low: 52-56 oF. High: 58-62... Read more
Late Season Snow Storm w/ Warming Trend Next Week (18 Mar 16)
An area of low pressure will develop across the upper Midwest on Friday.  This system is expected to phase with energy out of the Gulf of Mexico on Saturday night, before tracking up the coast. Periods of rain are expected to... Read more
Winter Weather Thursday Night and Friday (03 MAR 16)
Storm Overview:   An area of low pressure currently situated near the Texas/Arkansas boarder will quickly move east throughout the day.   The system is expected to rapidly intensify off the Carolina coast late... Read more
Unseasonably warm weather this weekend; another chance for winter weather next week (19 Feb 16)
A warm front will lift to our north Friday evening.  Southerly flow behind the front will usher in unseasonably warm air on Saturday and Sunday; the normal high temperature at BWI Airport this time of year is 46 oF. ... Read more
Cold Air and Another Chance for Winter Weather (12 Feb 16)
An Arctic cold front will slide across the region Friday night.  As it passes, snow showers are possible Friday evening with a coating of snow (up to one inch is possible in isolated locations).  Due to the potential... Read more
Light Rain/Snow Expected Monday Night through Wednesday Morning (02 Feb 2016)
A series of intermittent (and relatively weak) pulses of energy will move across the Mid Atlantic region over the next 48 hour.  The first pulse of energy will arrive between 1600 and 2000 EST on Monday as primarily... Read more
Blizzard Update (22 JAN 16)
The National Weather Service Baltimore/Washington Office has issued a Blizzard Warning beginning at 1500 today through 0600 on Sunday.  The National Weather Service has indicated that more than 2 feet of snow is possible for... Read more
Winter Storm Update (21 JAN 2016)
Almost all major global circulation models are dumping a potentially historic amount of snow on the greater Baltimore-Washington-Annapolis metro area over the weekend.  This is the result of a potent amount of "mid-level"... Read more
First Call Snowfall Forecast (20 JAN 16)
The next four days will bring us two chances for accumulating snow.  The first will arrive on Wednesday evening as a fast moving clipper system could produce up to one inch of snow between 1500 EST and 2300 EST on... Read more
Unseasonably Warm for the Navy-Army Game
Generally zonal flow cross the Continental United States is expected for the work week, with a series of fast moving, midlevel short waves of energy.  The first wave of energy will cross the Mid-Atlantic States on... Read more
A Warm First Week of November (04 NOV 15)
Unseasonably warm weather is on-tap for the remainder of the work week.  As shown in the Figure below, an area of high pressure centered over interior New England on Wednesday morning will strength and move offshore throughout... Read more
After a Cold Weekend, Warming Trend On-tap (19 OCT 2015)
It was a cold weekend throughout the greater Baltimore, Washington, and Annapolis metro area. Despite the abundant sunshine, the day time temperatures remained in the 50’s throughout the region, while the overnight lows were... Read more
A Cool Pattern this Weekend (and perhaps the first frost of the season) 14 OCT 2015
The first in a series of cold fronts pushed across Maryland on Tuesday, with the second, and perhaps more pronounced, front on-tap for Friday. As a result, seasonably cool conditions are likely through the weekend, along with our first... Read more
A Wet Week is On-tap (28 SEP 2015)
The coming week will be cloudy and wet across Maryland with a chance for rain each of the next five to seven days.  On Monday, high pressure will be across the North Atlantic with a wave of low pressure off the Carolina... Read more
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