Current Conditions: Baltimore, Maryland, 11/27/2021 06:20:02 pm
Temperature

41°

Mostly Cloudy

19°

Dew Point
Relative Humidity

41%

Feels Like

39°

Wind (W)

3mph

Air Pressure

29.98

Sun
Sun Rise

07:03 AM

Sun Set

04:45 PM

Day Length

09:42 Hours

Difference

1 min 25 sec loss

Moon
Moon Rise

07:00 PM

Moon Set

01:12 PM

Next: New Moon

Dec 04,2021

Moon Phase

Last Quarter

Climate
Average Low

33°

52°

Average High
Record Low

18°


(1991)

74°


(1896)
Record High
Current Conditions

Watching The Nor’easter Develop This Afternoon

Coastal Storm
atmospheric memory
Forecast

Tuesday October 26 2021

The Nor’easter that has been advertised is just getting cranking now.  At first glance, the surface weather map looks quite busy with a few surface Low Pressure centers identified. However, the main event is more evident on the satellite loop entering the afternoon. 

Here is a look at the conditions across the Northeast US to plot and track the Nor’easter forming. This includes satellite loop, surface measurements, forecast animation and interactive wind widget (at the bottom).

 

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Mesoscale Analysis

Refer back to the satellite loop and the Surface Weather map below below.

This is a raw look at the surface pressure and wind flow from the noon observations. Maryland and our main forecast region is in the black box.

 

 

True Color Visible Satellite Loop

10:21 AM to 12:21 PM

The broad circulation here is dominated by the developing Surface Low south of Cape Cod. There is a clearing in the core, with the clouds wrapping quickly around it.

October-26-noreaster-satellite-afternoon

 

 

Surface Map

The is the combined view of satellite, surface pressure, fronts, radar, and annotated wind flow.

 

 



 

 

Surface Wind Observations

A lot of stations began to report winds over 20 and 30 mph.

Winds will continue to increase as the storm develops and then retrogrades back closer to the coast.

 

 

Wind Forecast

Reminder that we are expecting gusts between 45 and 50 mph this afternoon. 

Strong winds are likely to continue Wednesday as the Low retrogrades (loops backwards to the west).

 

 

 

Temperatures – Will Get Colder

While it has remained mild in the 60s for most metro areas, 40s and 30s linger in the mountains. Western Maryland’s Garrett has dropped into the 30s.

The winds will help drop our temps during the day and tonight. 

 

 

Forecast Maps

 

 



 

 

GFS Animation

Here is the retrograde I mentioned. Watch the Surface Low loop back to the west, then south, then swing out to east to the open ocean by Wednesday night.

October-26-noreaster-forecast-map-gfs

 

Wind Widget

Use the slider to control the forecast time and track that Storm Center.

Pinch and slide to zoom in and see the winds in any area.

 

Also See:

NOAA Winter Outlook- But Read The Fine Print

Signals For Early Start To Winter In November

Winter Outlook Series: La Nina Double Dip

Nor’easters May Give Hint For Winter La Nina Pattern

 

 

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