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Writer's pictureNZP Chasers

Blizzard warnings extended into RRV


Precipitation depiction from today until Thursday

The Colorado Low formed this morning in Colorado, on the east side of the Rocky Mountains. At 1330z this morning, it was depicted to be 975MB deep, which is very impressive. See below for that analysis by he Weather Prediction Center:



1330z surface analysis (WPC)

Below is the FORECASTED position of the Low, fronts and precipitation axis for Thursday morning by the Weather Prediction Center. Note the 988MB Low and main precipitation axis extending into southeast Manitoba:

Future depiction of precipitation and Low track (WPC) for Thursday

Blizzard warnings have been extended into the Red River Valley (seen in red below), however only special weather statements and snowfall warnings are in effect in Manitoba.

Active blizzard warnings (in red) as of 10am CDT


URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Forks ND
901 AM CDT Wed Mar 13 2019

NDZ028>030-038-150600-
/O.CON.KFGF.BZ.W.0005.190314T0000Z-190315T0600Z/
Griggs-Steele-Traill-Barnes-
Including the cities of Cooperstown, Finley, Hope, Mayville,
Hillsboro, Hatton, Portland, and Valley City
901 AM CDT Wed Mar 13 2019

...BLIZZARD WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
1 AM CDT FRIDAY...

* WHAT...Blizzard conditions expected. Total snow accumulations of
  6 to 12 inches, with higher amounts up 18 inches possible. Winds
  gusting as high as 55 mph.

* WHERE...Barnes, Traill, Griggs and Steele Counties.

* WHEN...From 7 PM this evening to 1 AM CDT Friday.

* ADDITIONAL DETAILS...Travel will be dangerous to impossible.
  Widespread blowing snow will significantly reduce visibility.
  The hazardous conditions will impact the morning and evening
  commute. Strong winds could cause extensive damage to trees and
  power lines.
"Impacts from the powerful blizzard will be Wednesday afternoon into evening as rain and snow begins to move in from the south. A large swath of heavy snowfall is expected from southern North Dakota into eastern North Dakota into far northwest Minnesota. 6-12 inches of snowfall is expected within this swath, possibly more for locations in North Dakota. Snow amounts are most uncertain near the outer fringes of this snow band. Major impacts will be felt across the region Wednesday overnight lasting through most of Thursday. Lingering impacts from blowing snow will be continue into late Thursday after snow ends." -NWS Grand Forks, ND

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