Thursday, December 14, 2017

Today, we started with a accumulating snow that ended mid morning. I took two measurements, one at 7:25 AM and one at 4:00 PM. You can visit the Debriefing Post I made earlier today about last night’s event.  The conditions are still cool and crisp, but windchill is not a factor as of this evening and no advisories, watches or warnings are on the horizon.

According to this evenings Climate Summary from the NWS Pittsburgh Office, the high temperature recorded there today at 407 AM was 33 degrees and the low was 24 recorded at 10:19 AM, bringing their average at 29 degrees making all records for today below normal.

At the NWS Office today, 0.07″ of precip was received bringing the total for December to 0.68″, 22.35 since June 1 and 41.06 for 2017. For Snowfall, they received 2.1 between 7 and 8 am. Bringing our Month and Season totals to 6.7″

Here in South Connellsville, mainly our precipitation fell in the gravel and road surfaces rather than the grassy ones. As of 7:25 AM, EDT we had 0.4″ inches, that was measured with the official NWS ruler that measures in tenths. At storm’s end, I measured our total snowfall at 0.7″ (storm total), again with the ruler. Additionally, I defined our melted core at 0.05″ for storm total, which was our daily precipitation total for CoCoRaHS. This brings our montly total to 1.75″.

On the Youghiogheny River at Connellsville this morning at 7:00, the river stage was 2.58′ dropping 1 hundredth from yesterday. Tomorrow’s forecast is slated for 2.6′. As a reminder, Flood Stage in Connellsville is 12 feet.

For the routine Fire Weather Forecast, Cloudy and cold conditions will remain through Friday night. A return to seasonal conditions is expected for the weekend before
active weather returns mid-week next week. The Haines Index for the district is foretasted for 4 tonight and 3 tomorrow into Saturday.

The Air Quality forecast for the area for Friday in Pittsburgh is code level GREEN,
which is good, and means little or no health risk. The primary
pollutant will be particles.

Tomorrow’s Normal Maximum Temperature is 39 degrees with a record maximum of 68 set in 1971. The normal minimum temperature is 25 degrees with the record being -2, set in 1914.

Sunrise will occur tomorrow at 7:37 AM EDT and Sunset for the day tomorrow will be at 4:55 PM EDT.

The forecast is calling for a 30-50% chance of another inch of snow between 3 PM tomorrow and 8 AM Saturday, then clear for the remainder of the week. Snow and Rain is in the forecast for next week.

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