A partly cloudy, cooler, slightly wet update for West Rockville Maryland on Tuesday, January 23 2018

A partly cloudy, cooler, slightly wet update for West Rockville Maryland on Tuesday, January 23 2018

Tuesday featured slightly cooler temperatures with early morning rain and clouds (0.07″) then changeable skies, turning partly cloudy skies in the PM as high temperatures just reached the 60° mark. I witnessed a classic wind shift with the cold frontal passage mid-morning, with increasing winds switching from SE to NW, but cooler temperatures were really not found behind the front. Sometimes the cooler air just takes a while to take over. The Tuesday maximum temperature from the VP2 (60.3°) was recorded at 1245 while the minimum temperature (44.2°) was recorded at 2353. My dew point temperatures peaked in the early AM hours before falling significantly during most of the PM hours, ranging from 58° at 0358 down to 30° at 1439. Relative humidity values started out very high in the early AM, then fell off considerably in the PM hours (97% – 47%). Barometric values lowered more today from a high of 29.94″ at 0000 down to a min of 29.59″ at 1236.

Remember now you can get the VP2 data on Weatherlink. You can access the data through http://www.weatherlink.com/user/walrusman444.

I am posting daily to weather underground. My ID is KMDROCKV200 and my station is called “Gardens of Traville.” Data is online, normally just about in real-time. I contribute daily to cocorahs as Rockville 2.8 WNW, Station ID MD-MG-115. Please remember that Weather Underground does not report snow data, and reflects what is recorded automatically through the tipping bucket VP2 gauge.

We have cooler low 40s temps now under partly cloudy skies. Wednesday and Thursday should cool off to seasonable low 40s for highs, mid 20s for lows under partly (Wednesday) and mostly sunny (Thursday) skies. Friday looks to warm up a bit, with highs around 50° and lows around freezing under sunny skies. Partly cloudy and milder on Saturday with highs in the mid-upper 50s and lows in the mid 40s. Clouds and showers (80 POP) on Sunday, with highs in the mid 50s and lows in the mid 30s.

On the Channel 4 weather website at 0551 radar is showing scattered snow showers in parts of the mountain regions of western PA and WV at this time.

As of 0551, the data from the VP2 (coming from the ground radiation shield about 4 feet off the ground just under and out from the balcony) and the Lakewood WXBug station are as follows:

Partly Cloudy and cooler at the present time.

Station Relative Location Temp RH DP    BP     Wind High/Low temp Tuesday
VP2            Ground         40.8  66  30 30.00R   NA    60.3/44.2

There was 0.07″ of precipitation in the cocorahs gauge on Tuesday through midnight obs. The VP2 tipping bucket rain gauge under my balcony recorded 0.05″ of precipitation on Tuesday through midnight.

January precipitation is 1.58″.
Tuesday snowfall 0.0″
January snowfall is 1.2″.
Snow on ground 0.0″ (reported to the nearest half-inch)
The seasonal snowfall total is 5.0″.
Year-to-date precipitation total is 1.58″

WX Bug Lakewood 4500 ft, 41 62 29 29.99″R WSW 5 G WNW 11
                            140° from station                            61/43

The Lakewood rain gauge recorded 0.18″ of precipitation on Tuesday. It is now reporting 0.99″ monthly and yearly January 2018 precipitation, up an unexplicable 0.06″ from yesterday’s report.

Temperature from the VP2 at 2400 was 44.2 RH 59% BP 29.87R DP 30.8. Partly Cloudy and cooler at 2400.

Good morning from the partly cloudy, cooler, snowless Walrus early on this Wednesday morning.

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