Forecast: Lake Effect Snow Warning, cold temperatures, dangerous wind chills

CLEVELAND - A Lake Effect Snow Warning is in effect until 7am Wednesday for the following counties: Cuyahoga, Lake, Geauga and Ashtabula. A WARNING means heavy snow is likely across parts of the warning area.

A Wind Chill Advisory is in effect for ALL of Northern Ohio from 8pm tonight thru 11am Wednesday morning. Expect wind chills dropping to -10 to -16 below zero.

12:00 am Update: * SNOW ACCUMULATIONS...STORM TOTAL OF 1 TO 2 FEET ACROSS THE WARNING AREA WHERE THE SQUALLS PERSIST.

* TIMING...THROUGH WEDNESDAY MORNING.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* IMPACTS...DRIVING WILL BE VERY SLOW OR POSSIBLY IMPOSSIBLE AND
  HAZARDOUS WITH HIGHLY VARIABLE ROAD CONDITIONS.

* TEMPERATURES...4 TO 12 ABOVE.

* VISIBILITIES...WILL BE REDUCED TO ZERO IN THE HEAVIEST SNOW
  SQUALLS.

* WIND CHILL READINGS...AS LOW AS 16 BELOW ZERO.

* IMPACTS...POTENTIAL FROSTBITE AND HYPOTHERMIA.

IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW
IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY.

10:00 pm Update: Squalls are reorganizing. Looks like winds have shifted a little more the the northwest. Main band will still affect Eastern Cuyahoga, Lake, Geauga, & Ashtabula Counties overnight.

9:00 pm Update: Main band of moderate to heavy Lake Effect snow is now moving on-shore into Northern Lorain, Northern Cuyahoga, Lake, & Ashtabula Counties. Driving conditions will deteriorate rapidly this evening. Temperatures are in the middle teens everywhere with wind chills around 0 egrees!

5:00 pm Update: Main band of moderate to heavy snow is still out over Lake Erie. We will monitor this band as it begins to shift inland across the snowbelt tonight. Follow me on Twitter for the latest instant updates.

3:00 pm Update: Winds across the lake have been southwesterly for most of today. That has kept any organized lake effect snow bands mainly offshore. A weak trough of low pressure move across Ohio earlier this afternoon and is now in Western Pennsylvania. With the trough to our east, winds should shift a more westerly direction late this afternoon and evening. This will allow the lake effect snow bands to shift on-shore into Northern Lorain, Cuyahoga, Lake, Ashtabula, and Geauga Counties. Snow will become heavy in these bands with accumulation rates 1/2-inch to 1-inch per hour at times. accumulations tonight will range from 2 to 7 inches WHERE SQUALLS PERSIST. Outside of the heavy snow bands, the rest of Northern Ohio can expect a trace to perhaps an inch of new snow tonight in isolated snow showers.

All of Northern Ohio is under a wind chill advisory overnight. Winds will gust 15-25 mph with even higher gusts at times, especially close to Lake Erie. Overnight lows will drop into the single digits everywhere with "feels like" values between -10 & -15 degrees F.

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Update: Bands of lake effect snow are now forming over Lake Erie and will likely move inland as we move through the afternoon. Expect a quick burst of snow of a half inch to an inch per hour snow.

Update: The squall that was affecting eastern Cuyahoga County, Lake, Geauga and Ashtabula Counties has moved north. Snow totals up to 6" were reported in Lake County in just 3 hours.

More snow is possible this afternoon and tonight, mainly in counties along the lake and east of Cleveland

Westerly winds will produce lake effect snow squalls for the next 48 hours. Snow totals could reach 12" or more in many areas through early Wednesday. Higher totals up to 20" are possible where squalls persist.

Outside the warning area it will be cold and breezy. Light snow is possible at times with minor accumulations. Afternoon temperatures will hit the upper teens with wind chills in the single digits.

Tuesday's forecasted high of 12 degrees, could be the coldest day in Cleveland since January 16, 2009. We reached a high of 2 degrees  that day, with a low of -13 degrees!

Snow will continue east of Cleveland Tuesday through early Wednesday.

When snow is in the forecast, are you prepared? Our new STORM SHIELD app will help you plan for winter storms in advance. You'll get critical alerts via voice and text. Also, instant warnings on the go. Download it here: STORM SHIELD . Storm Shield is now available for Android!

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