Fall 2018;Northern Hemisphere (tornado, snow, warm, record)
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Forecast discussion for California's Central Valley says smoke holding down temperatures
Dry with near normal daytime temperatures and cool nights with
heavy smoke due to the Camp Wildfire. Breezy northeasterly winds
over the Sierra Nevada Saturday night into Sunday bringing
critical fire conditions. Cooler temperatures next week with a
series of wet systems through the middle to end of next week.
&&
.DISCUSSION...
High pressure ridge over the region is continuing pattern of
light winds, smoke with poor visibility and air quality for much
of the area. The smoke is keeping temperatures below normal
blocking heating from the sun during the day and allowing heat to
escape at night, unlike cloud cover. This brought a cold start in
the Valley, with lows down as lows as the upper 20s and lower
30s. This is about 10 degrees below normal for this time of year.
Highs this afternoon will be a little below normal in smoke
covered areas, near to a little above normal in the mountains
above the smoke. Evacuees from the Camp Fire should prepare for
another cold night and morning. Saturday during the day should be
about the same as today.
We had 7 days straight of temps below 60F! That also happened in mid-November 2014..
Impressive week! Hope it continues for you to bring more excitement.
Saw your frost posts... Did you bring your inner tube and funnel in? Good way to measure how cold you been is how many times you bring that in. lol. Mine pretty much stays in November-March. lol. Although I do bring it out for rain events in winter but a pain to measure than bring back inside for night. Rather just replace gauge in the morning.
Quote:
Originally Posted by chicagogeorge
Check out the latest for Thanksgiving. We will be on the mild side but you might see record shattering cold
Check out why. Man O Man.
Quote:
Area Forecast Discussion
National Weather Service New York NY
700 AM EST Sat Nov 17 2018
Guidance is in good agreement with an amplifying pattern
developing across the lower 48 early next week as apiece of the polar vortex breaks off and drops into Hudson Bay. This will
result in a developing longwave trough east of the Rockies with
a high amplitude ridge to the west.
Sfc high pres shifts offshore on Sun as the entrance region of
an upper jet streak with weak shortwave energy tracks from the
Ohio Valley into New England. WAA will also ensure later Sun and
more so Sun night. This is expected to lead to the expansion of
precipitation north and west of NYC late Sun/Sun eve with a weak
sfc low passing through Mon morning. A frontal boundary will
then approach from the NW and slowly track across the area Mon
into Tue bringing the potential for additional pcpn. Soundings
are initially indicating pcpn to begin as snow well inland Sun
night, transitioning to rain by Mon morning with plain rain
throughout the entire event closer to the coast. There is some
uncertainty with the thermal profiles inland Mon night into
Tue, the GFS is significantly colder than the NAM, so this will
need to be monitored and adjusted as needed. Have leaned more on
the colder side for now.
Temperatures are expected to range between 5 and 10 degrees below normal into the middle of next week
Might get a little snow Sunday night here then change to rain.
Impressive week! Hope it continues for you to bring more excitement.
Saw your frost posts... Did you bring your inner tube and funnel in? Good way to measure how cold you been is how many times you bring that in. lol. Mine pretty much stays in November-March. lol. Although I do bring it out for rain events in winter but a pain to measure than bring back inside for night. Rather just replace gauge in the morning.
Might get a little snow Sunday night here then change to rain.
No I left the inner tube and funnel in the gauge. It was looking highly unlikely that I would get any measurable frozen precip. Hopefully I'll need to do it in the coming weeks.
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Man O Man.
