Saturday, November 26, 2022

checked the weather predictors

The Guardians saved the galaxy.

Yeh.

8:53 PM. Quickly checked the weather. Remembered to, this evening!

Earlier I had viewed the Fingal Clear Sky Chart, prompted by several email notifications from Clear Sky Alarm Sky.

Clear Sky Chart from Fingal - good for tonight

Clear in the early part of the evening.

Off to EC, Environment Canada for St Thomas. 

The current conditions, observed at the London Int'l Airport, as of 8:00 PM EST Saturday 26 November 2022, were noted as:

  • Partly Cloudy
  • 6°C 
  • Condition: Partly Cloudy
  • Pressure: 101.4 kPa
  • Tendency: Falling
  • Temperature: 5.7°C
  • Dew point: -2.0°C
  • Humidity: 58%
  • Wind: SSW 21 gust 31 km/h
  • Visibility: 24 km

I copied today's and tomorrow's information from the day-by-day predictions. The forecast had been issued at 3:30 PM EST Saturday 26 November 2022:

Detailed Forecast

Tonight - Clear. Becoming partly cloudy overnight. Wind southwest 20 km/h becoming light early this evening. Low plus 4.

evening indicator from EC

I often tell people to pay attention to the indicator circles from the Environment Canada weather web site—they are accurately used. Moon, stars, and a cloud... Hmm.

Sun, 27 Nov - Cloudy. Periods of rain beginning in the morning. Amount 10 to 20 mm. Wind east 20 km/h becoming north 20 late in the afternoon. High 6. UV index 1 or low.

Sun Night - Periods of rain ending in the evening then cloudy. 40 percent chance of showers overnight. Wind northwest 20 km/h gusting to 40 becoming light in the evening. Wind becoming northwest 20 after midnight. Low plus 1.

The high barometric pressure I had also noted on my (new) barometer.

Checked Clear Outside, CO:

Clear Outside expanded chart - red everywhere

It was showing red everywhere. Triggered by 100% high cloud. But I was not seeing that...

GTS:

Good To Stargaze - some cloud

It too was showing lots of cloud... But I could see stars naked eye. No obvious cloud to the east or south.

I adjusted the criteria options. Clouds remained the constraining factor.

Visited Astrospheric. Been a while...

Astrospheric - similar to CSC

The chart from Astrospheric was quite similar to the CSC. Clear early in the evening.

I examined the temperature line graphs. The air was within a couple of degrees of the dew point later on. Would need the dew heaters running, particularly with the large glass...

Could not figure out how to switch to Metric.

§

Wasn't paying close attention at the time. 

Missed the rain forecast for Sunday...

Missed the poor seeing indicator...

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