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Greg

Nowcast Overview

  • Beautiful! Top 10 weather day of 2016?

Nowcast (now-12/15 hours)

WPC surface zoom map

Washington 12hr loop

Overnight lows 

Regional Roundup

IAD 12Z Sounding 

MOS (wind/temp)

Short Term (24-72 hours)

Overview

  • Slowly starting to warm up for Tuesday
  • How warm? NWS going for mid 80s
  • Even Warmer on Wednesday. 90 degrees likely (56th 90 degree day in DC this year)

NAM 4km 850mb temps

NAM under doing temps?

MOS 

NWS Sterling 

GFS Temps Wed

Warming ahead of frontal passage

Long Term (Thursday and Beyond)

Overview

  • More near perfect weather for Thursday-Saturday

 

GFS 250mb winds/heights (stagnant flow/best lift to the north)

GFS 850mb winds/temp

GFS Dew Point

GFS 500mb large scale picture (frontal passage on Sunday)

Forecast

Monday

 

Tuesday 

 

Wednesday