Sep 162014
 

I have zoomed in and cropped the image below. There is still a pronounced boundary to the heavy precipitation area. The precipitation scale is the same as in the earlier image in my last post. This is from a shorter range, high-resolution model. I think Flagstaff ends up in the 3/4 to 1 inch range. Notice that another boundary is forming along I-40 to the east. Stay tuned! There will be areas of Arizona receiving large amounts of precipitation over the next few days.

Cropped 72-hour total precipitation forecast from the North American Mesoscale computer model by the National Centers for Environmental Prediction. 16 September, 2014.

Cropped 72-hour total precipitation forecast from the North American Mesoscale computer model by the National Centers for Environmental Prediction. 16 September, 2014.

 Posted by at 6:49 am
Sep 112014
 

The newest 6-10 and 8-14 day precipitation outlooks show wet conditions continuing. We should be dry today and Friday. There is a chance for showers over the weekend and into early next week. Sometime in the second half of next week, tropical storm, soon hurricane, Odile will deliver more moisture to Arizona. Tweet

 Posted by at 6:28 am
Sep 092014
 

Mother nature decided to blow the forecast away. There was a ton of moisture in Arizona’s atmosphere. Below is an image from Intellicast.com that shows an estimate of daily precipitation based on radar imagery. If you compare this image to from the National Weather Service, you can see that things didn’t turn out to forecast. [...]

 Posted by at 6:51 am
Sep 032014
 

Reinforcing my post from yesterday. The Climate Prediction Center released their new September outlook. We are looking at above average precipitation. Add to this the 6-10 and 8-14 day precipitation outlooks, and they have painted a very wet picture for us this month. Moisture is already flowing our way. Look for thunderstorms to start tomorrow [...]

 Posted by at 6:20 am
Sep 022014
 

We had a wet and cool August. The National Weather Service in Flagstaff published their monthly report for August. Northern Arizona was cool and wet. The wet piece probably surprises no one. The part I find interesting is that the cool temperatures and above average precipitation prevailed in most of Northern Arizona. Too often, we [...]

 Posted by at 6:47 am
Aug 232014
 

On Thursday, the Climate Prediction Center released new 1-month and 3-month long-range outlooks. They point to continued above normal precipitation for September, and September to November. They are below. I think the above average temperature waters off the West Coast and the Gulf of Mexico. El Nino continues to look iffy. Currently, another slightly drier [...]

 Posted by at 7:03 am
Aug 172014
 

In my last post, I pointed out that a drier period was ahead. What I had meant, and what the models foretold, was no rain for a week or so. That has not been the case. Thursday evening, a storm moved across the west side of Flagstaff dumping heavy rain across the area. Friday evening [...]

 Posted by at 10:16 pm
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