textproduct: Reno

KEY MESSAGES

* Unseasonably warm with gusty winds across NE California and far NW Nevada today. Strong outflow winds also possible this afternoon.

* Cooler temperatures Wednesday with renewed wind impacts in the afternoon.

* Dry and mild weather expected to end the week with cooler, breezier conditions possible over the weekend.

DISCUSSION

Persistent western ridging will give one more opportunity to set new daily record highs today before cooler temperatures -- albeit still warmer than normal -- prevail to end the week. Daytime highs nearing or exceeding 80F/90F in Sierra/lower NE CA/W NV valleys, respectively, will yield a minor (2 of 5 risk) to moderate (3 of 5 risk) HeatRisk this afternoon, so be sure to stay hydrated and limit strenuous outdoor activities. Winds will continue to increase across NE California and far NW Nevada with SW gusts reaching 30-40 mph during this afternoon. Impacts should be limited to lakes in this area where choppy waters will make for hazardous conditions for recreation.

Father east, there is still the prospect of sudden, strong outflow winds of 40+ mph in the late afternoon and evening today in an area from Mono County extending northward into Pershing County. Model soundings suggest that this area will become increasingly more favorable through the afternoon as a well-mixed boundary layer continues to deepen and midlevels cool/moistens, narrowing the window for strong downdrafts/outflows to 4 PM to 8 PM PDT. Lightning is unlikely given a shallow depth of moist convection, but a few isolated strikes may accompany stronger updrafts.

An eastern Pacific low and attendant cold front will pass through the region Wednesday, giving us a ~10F cooldown and gusty W/NW winds in the afternoon. Be prepared for additional impacts to lake recreation and air/ground travel on Wednesday, especially in western Nevada. Dry and mild weather is in store for the end of the week, with cooler, breezier conditions possibly returning this weekend.

-Salas

AVIATION

The main weather concern today will gusty SW winds through the afternoon, posing a risk of minor LLWS impacts for Sierra and Sierra Front terminals. There is a low probability of strong outflow winds of 35+ kts impacting KHTH-KNFL-KLOL between 23Z and 03Z, with an even lower likelihood of isolated lightning near these terminals.

Mountain wave turbulence will be possible tonight into Wednesday morning as FL100 winds increase to 30-35 kts. W/NW surface gusts of 20-30kts may renew LLWS impacts Wednesday afternoon. Otherwise, expect VFR conditions to persist.

-Salas

REV Watches/Warnings/Advisories

NV...Lake Wind Advisory from 11 AM to 8 PM PDT Wednesday NVZ004.

CA...Lake Wind Advisory until 8 PM PDT this evening CAZ071.