Sunday AM was foggy early till mid-morning with temps around the freezing mark rising to the mid 40s by mid-afternoon. The snow was all melted off by late afternoon unfortunately. The Sunday maximum temperature from the VP2 (46.1°) was recorded at 1537 while the minimum temperature (30.5°) was recorded at 0716. Dew point temperatures ranged from a low of 30° at 0652 up to a high of 38° at 1046. Relative humidity values were high much of morning then started to fall off during the PM hours, (97% – 57%). Barometric values started lower early today, then rose as HIGH pressure started to fill in. It ranged from a low of 30.04″ at 0009 then rose the rest of the day, reaching a high of 30.51″ at 2228. Today’s feature image is a picture of a snow-coated conifer tree just below my balcony window and where my VP2 resides from Sunday morning before the snow all melted off of it later in the day on Sunday.

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.

I got a bit more DC-AMS Chapter Science Fair work done, responding to emails received as replies to emails I sent on Friday. I got my 2018 master spreadsheet file from my friend and expert excel compiler Lowell Koontz, and used it to input 2/3 of my January data. So that is progress! I chatted with Marty and Ray in the evening a few times about the COOP program and my data collection problems from yesterday (see below). My server daughter Robin met up at PF Changs in the late afternoon for a drink with our fellow blogger and my long-time friend Jeff Taylor, who was in town from Portland for the weekend. 

We had quite a bit of fog, some dense, overnight from Saturday into Sunday. After the fog burned off Sunday was partly cloudy with AM clouds/fog and PM sun with highs in the mid 40s and lows just below the freezing mark. Monday has started off cloudy with light early AM showers (.02″ in the tipping bucket) with temps around 40° then continued clouds (Thin altostratus) which looks to predominate the rest of the day with temps hovering around the 50° mark by afternoon day and only a 20 POP for an isolated PM shower. On Tuesday another warm up under partly cloudy skies (AM clouds/PM sun) with highs in the low 70s and lows in the mid 50s. Wednesday will be mostly sunny and warm again (mid 70s) with lows in the upper 40s. Thursday should cool off, with highs around 50° and lows around 40° and a 90 POP for rain. On Friday cloudy with a 50 POP for showers, highs around 50° and lows in the mid-upper 40s.

On the Channel 4 weather website at 1140 radar is showing quite a bit of rain, some heavy, with possibly a few embedded thunderstorms stretching roughly east to west from Illinois through parts of northern IN and southern MI through much of northern OH and then into parts of western PA and NY. I believe this large area of rain will mostly stay north of my area today.

As of 1140, 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:

Mostly cloudy, mild, and damp (but not precipitating currently)

Station Relative Location Temp RH DP     BP     Wind High/Low temp Saturday
VP2           Ground          41.5  90  39 30.48F    NA     46.1/30.5

The undetermined amount of precipitation in the cocorahs gauge was determined to be 0.50″ on Saturday through midnight obs. I also changed my snowfall total from 2.3″ to 2.0″. The VP2 tipping bucket rain gauge under my balcony recorded 0.42″ as all the snow that didn’t tip on Saturday tipped through with complete melting. It is showing 0.02″ of rain since midnight as a result of a light shower around sunrise this morning.

Saturday’s precipitation 0.50″
Sunday’s precipitation 0.00″
February precipitation is 3.92″
February snowfall 2.0″
Snow on ground 0 (reported to the nearest half-inch)
The seasonal snowfall total is 7.5″.
Year-to-date precipitation total is 5.75″

WX Bug Lakewood 4500 ft, 41 89 38 30.46″F SSW 2 G SSE 9
140° from station 48/29

The Lakewood rain gauge recorded 0.36″ of precipitation on Sunday, as Saturday’s snow melted and registered through the gauge’s unfrozen sensors.. It is now reporting 4.44″ for a monthly (February) total and 2018 year-to-date (YTD) amount of 6.69″.

At 2400 obs Sunday night the temperature from the VP2 was 37.8 RH 80% BP 30.51″R DP 32.2. Cloudy, cool, somewhat damp.

Good late morning from the cloudy, seasonably cold , and somewhat drying out Walrus not so early on this Monday