Sunday and the jet stream moving south

On Friday several of us wanted to get a flight in before Saturdays west winds.  It was good: Thermalling on Friday.

Saturdays strong west winds show that jet stream has moved south and strong westerly winds are closer. I believe to fly  this time of year without checking winds aloft at 9K and 12K is irresponsible.  See yet stream.  See winds aloft.

Sunday’s weather map shows clear skies with High to west and Low to east negative pressure gradient of -.35″!   Local forecast shows light west winds till noon but sunny skies should start up slope flow earlier. NBR showing light and variable winds early. Thermal soaring forecast is fair—300’/min starting at 1:45 with no over development but remember it was also fair on Friday when I climbed at 600’/min.  Winds aloft have not been updated yet but Sugar Loaf is reporting light winds.

Sunday looks sunny but short!

Regional weather map shows clear skies and stationary front parked over area.  Local forecast calls for light easterly winds with cloud skies by this PM. Thermal soaring forecast is good—620’/min—starting at 11:15AM with over development by 3PM! Humidity is high at 85%.  40% chance of thunderstorms!

NBR showing light and variable winds early.

Sunny Sunday

Saturday was short and we got west winds by about 1PM.  Sunday looks longer.

Regional weather map shows clear skies and high pressure.  Local forecast shows easterly winds until late afternoon.  NBR showing light and variable winds early. Thermal soaring forecast   is excellent today—-1,400’/min—starting at 11:30AM but over development by 3PM! 20% chance of rain.

 

Sunday looks drier!

Regional Weather map shows high pressure dominating area.   Local weather forecast  shows  southeasterly winds in area.  Humidity is lower than yesterday but still very high at 70%.  Thermal soaring forecast is excellent—1,300’/min starting at 11:30 AM! Again they are calling for no over development but yesterday it did over develop. 20% chance of precipitation. I recommend you start early.

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Sunny Saturday

Regional Weather map shows high pressure and clear skies.  Local forecast is for easterly winds all day.  Humidity is 94% so thermals will be soft and slow to develop. Thermal soaring forecast is good—700’/min starting at 11:30AM and calling for no over development!  I find this suspicious with such high humidity!

20% chance of thunderstorms this PM.

Cold Front Saturday?

Regional weather map show passage of Canadian Cold Front. Already early—5AM– NE winds are consistent at NBR.

At 6AM no wind!  NBR showing cold front has already passed. Waiting till later.

Thermal Soaring forecast is excellent—-1,200’/min—-starting at 10:30 with over development at 3:00PM. Cloud cover will determine thermal development.

30% chance of thunderstorms this PM.