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Feb 16-17th Winter Storm


Chicago Storm
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2 hours ago, A-L-E-K said:

chasing dust up this way but looks like there will be a northern fringe weenie fgen band and corresponding screw hole just south somewhere over the area

good call

KLOT update

Another area to watch is around the I-88 corridor west of and
into the Chicago metro where a stacked 850-700 hPa F-gen axis is
generating a narrow but moderate to heavy precip band aloft. Some
12Z CAMs latched onto this band, but the dry air feed from the
north will erode this band to some extent near the ground. Will
continue to monitor this axis for the potential for a quick couple
inches of snow.
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4 minutes ago, ILSNOW said:

good call

KLOT update

Another area to watch is around the I-88 corridor west of and
into the Chicago metro where a stacked 850-700 hPa F-gen axis is
generating a narrow but moderate to heavy precip band aloft. Some
12Z CAMs latched onto this band, but the dry air feed from the
north will erode this band to some extent near the ground. Will
continue to monitor this axis for the potential for a quick couple
inches of snow.

Virgo IMBY right now, but I like the look

AC70288F-5791-4A1A-8AA9-02345B4F888E.png

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14 minutes ago, ILSNOW said:

good call

KLOT update

Another area to watch is around the I-88 corridor west of and
into the Chicago metro where a stacked 850-700 hPa F-gen axis is
generating a narrow but moderate to heavy precip band aloft. Some
12Z CAMs latched onto this band, but the dry air feed from the
north will erode this band to some extent near the ground. Will
continue to monitor this axis for the potential for a quick couple
inches of snow.

I'm I -88 and 355 may as well ride this thing until the bitter end.:weenie:

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No blizzard warning upgrade from LOT

 

Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
1138 AM CST Thu Feb 17 2022

.UPDATE...
Issued at 1108 AM CST Thu Feb 17 2022

Only some minor tweaks to the forecast late this morning, with no
changes to the active headlines. Warmer low-level thermal
profiles are lingering across the far southeast CWA this morning
and will likely lead to a couple hours of mixed precip at onset
(as noted by recent reports of freezing rain/drizzle in Iroquois
and Ford counties.) This may cut into snow totals slightly, but
make little change to the expected impacts.

As with previous shifts, consideration was given to upgrade the
southeast CWA to a Blizzard Warning. After coordination with
bordering WFOs, opted to hold on to the Winter Storm Warning as
the the coverage and longevity of conditions meeting strict
blizzard criteria mid to late afternoon may be too short.
Additionally, the somewhat warmer profiles noted above may keep
snowfall character a little wetter. Either way, very dangerous
travel conditions are expected roughly in the 2-7pm window around
and south of a Pontiac to Valparaiso line. Near blizzard
conditions also remain likely at times in primarily open areas
between that line and the I-80 corridor.

Another area to watch is around the I-88 corridor west of and
into the Chicago metro where a stacked 850-700 hPa F-gen axis is
generating a narrow but moderate to heavy precip band aloft. Some
12Z CAMs latched onto this band, but the dry air feed from the
north will erode this band to some extent near the ground. Will
continue to monitor this axis for the potential for a quick couple
inches of snow.

Kluber

 

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