Thursday, April 23, 2009

Upper Disturbance Still Coming...

I always get nervous when everyone has the same forecast. NWS says..."little or no rainfall to persist thru the middle of next week." They put POP (Prob. of Precip.) at 10% Fri,Sat & Sun. What does that mean? To me? You can never be wrong calling for 10%. The way I see the water vapor & satellite loops tonight, this upper system may trigger more showers Friday PM than anyone is predicting. Timing is everything. It may pass thru after dark when daytime heating is over. Sat & Sunday look warm, breezy & dry.

Looking ahead...I see no front coming until late next week when it will be May...long past the time to get any real cold air down to the Gulf Coast. Fronts now will only bring us drier air. In fact it's often hotter BEHIND the front since winds go westerly and dry air heats up faster than humid air. Any guess when we'll see our first 90 degree day? Last year it happened on May 21st. Get ready for summer!

4 comments:

Caveman said...

"The way I see the water vapor & satellite loops tonight, this upper system may trigger more showers Friday PM than anyone is predicting." All forecaster leave a back door in their forecast just like you did in your statement by using the word "may" so if the upper system does not trigger more showers as you believe then you have your back door in place since you said "may". Forecast are just that predictions and the forecast as you know will change as the data changes. I seem to remember getting wet for Mardi Gras when a certain person knocked all the other forecasters for predicting rain and this person said no rain enjoy the parade... hmmm

ONLYREAL said...

I think we will see our 1st 90 degree day for New Orleans at the Airport will be late next week.

BTW... Did you hear WWL droped Dawn Brown?

Beans said...

What happened with Dawn?

Caveman said...

We had no rain Friday PM just like the NWS said only 10% chance of getting any and we did not... Think they owed some kudos....