textproduct: Reno
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
* Widespread freezing temperatures are expected this morning and tomorrow morning across the region.
* Gusty ridgetop winds from the northeast persist today, before lighter winds prevail for the rest of the weekend.
* A significant warming trend starts today with temperatures well above average by early next week, then cooler and showery conditions return by mid-week.
DISCUSSION
After the storm yesterday, current satellite imagery shows clear skies and mostly light winds across valleys and midslopes of area mountains this morning. The clear skies combined with light winds will lead to significant radiational cooling leading to cold valleys reaching freezing temperatures this morning. Currently looking at an 85% chance or greater of experiencing freezing temps this morning, and a 50-60% or greater tomorrow morning.
Gusty ridge winds persist from the east and northeast this morning especially over Sierra ridges. However, as the upper level ridge strengthens today those winds will eventually come down. Also those winds are inhibiting the chances for freezing fog over the Martis Valley this morning. Although once the winds decrease the chances for fog in Sierra valleys potentially return by Saturday morning. Otherwise, expect temperatures to continue a warming trend through early next week with afternoon temperatures 10-20 degrees above normal.
Next week, a series of weak waves approach the Great Basin. This will lead to temperatures peaking on Monday and Tuesday, as cloud cover increases towards mid-week. Models are vastly diverging in their solutions starting on Wednesday resulting in a lot of uncertainty. For now, the trend that we can see indicates cooler temperatures, breezy to gusty winds, especially over area mountains, and low chances of precipitation (20-30%).
-HC
AVIATION
VFR conditions expected through Saturday morning. Main concern continue to be winds today, but they will be lighter and from the east and northeast with speeds AOB 12 kts with gusts up to 20 kts in the valleys. FL100 winds may go up to 35 kts that could lead to minor LLWS and turbulence through 00Z this evening.
-HC
REV Watches/Warnings/Advisories
NV...None. CA...None.
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