Overcast and cold

Good morning Augusta.

This morning it is overcast with a chance of snow. High of 27F with a windchill as low as 9F. Breezy. Winds from the NW at 10 to 20 mph. Chance of snow 40% with accumulations up to 1 in. possible.

Tonight it will be mostly cloudy in the evening, then clear. Low of 5F with a windchill as low as -8F. Winds from the WNW at 10 to 15 mph.

The readings from my own weather instruments are:

The humidity is 85% with a dew point of 19.7ºF and a wind chill of 18.2ºF.

The temperature is 23.6ºF. ºF.

Presently we have   West Northwest winds between 5.1 MPH and 9.6 MPH.

Our Barometric pressure is 29.39/HPA 995.2 and falling with a weather graphic indicating rain/snow.

The UV rating is 0 out of 16, sunset will be at 4:08 PM with Moon Rise at 6:42 p.m. Eastern Standard Time, and the moon phase is waning gibbous.

For the pilots out there: Raw METAR is –

METAR KAUG 301153Z AUTO 33014G23KT 8SM UP OVC060 M06/M08 A2945 RMK AO2 PK WND 32026/1136 UPB11SNE11 SLP977 P0000 60000 70014 T10561078 11056 21061 53013 $

Visibility is 8.0 miles/12.9 Kilometers with some clouds but overcast to 6,000 ft / 1,828 m.

We have had just over 8 inches of snow in the past 24 hours.

Have you wondered what the difference between Isobar and Millibar is?

Millibar:

n. Abbr. mb

A unit of atmospheric pressure equal to one thousandth (10-3) of a bar. Standard atmospheric pressure at sea level is about 1,013 millibars.

(The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved)

And:

(Mathematics & Measurements / Units) a cgs unit of atmospheric pressure equal to 10-3 bar, 100 newtons per square metre or 0.7500617 millimetre of mercury

(Collins English Dictionary – Complete and Unabridged © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003)

 

Isobar: N.

a line drawn on a weather map or chart that connects points at which the barometric pressure is the same.

(Random House Unabridged Dictionary)

And:

Isobar N.

(meteorology)an isogram connecting points having equal barometric pressure at a given time