Winter Storm Warning

The official upgrade just went through, and we’ll be under a Winter Storm Warning from 3:00 this afternoon until noon tomorrow.

 

• Snow will begin between 3:00 and 6:00 today for most locations.
  • Again, the evening commute could be slooooow if the snow has started by then. It doesn’t take much to turn a Friday evening commute into a slog.
  • Hopefully road crews can catch up overnight and stay on top of it during the day on Saturday, but there will be plenty of areas will snow-covered and slippery roads.
  • The airports are going to be in trouble from ~6:00 tonight through noon tomorrow. This is a massive storm that is affecting almost the entire country east of the Rockies, so the ripple effects are enormous. Travel waivers are already being offered by most airlines. (see below for the list of all 24 cities Southwest is covering right now!)
• The snowfall could be heavy at times tonight, and the peak snowfall rates will come with winds gusting 30-40 mph overnight.
• Snow will continue through most of the morning on Saturday before tapering. Low-coverage but high-intensity bands of lake-effect snow will come through on Saturday afternoon and evening. Isolated spots could see another 1-4+ inches just from the lake-effect.
• Storms totals through Saturday night are probably an inch or two than they looked yesterday, but lake-prone areas could see even more as the wind set-up is increasingly favorable for lake snow. (Also remember that most of this snow will be overnight, but almost half of it could pile up after sunrise on Saturday.)
  • 3-8 inches is a good guess for most of the area.
  • 6-9+ inches is likely in areas that see lake-effect. Right now, NWS is favoring an area near the lake in northern Cook and southern Lake for the most lake-effect snow, with totals approaching a foot there. Again, this is really hard to pinpoint, and it wouldn’t surprise me if that area shifted or if totals ended up several inches outside that range. It wouldn’t take much for those lake-effect bands to slide south and put white-out conditions into the Loop.
  • The odds of a bust (<2”) and a boom (>12”) are each about 10% for any given location in Lake, Cook, or Dupage.

 

 

 

 

 

 

 

 

 

 

Winter Storm Harper

Based on the forecasted weather conditions, our scheduled service to the cities listed below may be disrupted (flights may be delayed, diverted, and/or cancelled) on the following dates:

Thursday, January 17, through Friday, January 18

·         Des Moines (DSM)

·         Omaha (OMA)

·         Wichita (ICT)

Friday, January 18, through Saturday, January 19

·         Cincinnati (CVG)

·         Cleveland (CLE)

·         Columbus (CMH)

·         Indianapolis (IND)

·         Kansas City (MCI)

·         St. Louis (STL)

Friday, January 18, through Monday, January 21

·         Albany (ALB)

·         Boston (BOS)

·         Buffalo (BUF)

·         Chicago (MDW)

·         Hartford (BDL)

·         Long Island MacArthur (ISP)

·         Manchester (MHT)

·         Milwaukee (MKE)

·         Newark (EWR)

·         New York LaGuardia (LGA)

·         Philadelphia (PHL)

·         Pittsburgh (PIT)

·         Portland, Maine (PWM)

·         Providence (PVD)

·         Rochester (ROC)

 

 

 

 

 

 

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