WEATHER FOR WEATHER GEEKS MAY 20
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The last of the damp weather was pushing east as of 8:30am today and a gradual decrease in cloud cover is in store for the rest of the day. A nice afternoon although temperatures will be below-average once again.
Rain amounts over the last 24 hours:
Thursday and Friday are looking good with some sunshine each day. Highs in the lower 70s by Friday. Enjoy!

Saturday is coming into focus. I suspect there will be some showers or light rain, especially in the morning. The day is not likely to be a washout but it will be rather cloudy and cooler than average.
Sunday will be pleasant with some sunshine. Temperatures back to average or slightly above (lower 70s)
Next week is likely to be a nice one!
We've righted the ship after a very sketchy period to start May.
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A little bit of rain early this morning and this "piddling" rain can be around at just about any point today. Current radar (8:30am):
Hi-res simulated radar for next 15 hours:
Any rain will be quite light.Temperatures will struggle today; around 60 or so this afternoon.
An area of high pressure will drift eastward tomorrow through Friday, giving us nice weather with a warming trend. Friday's afternoon temperatures should be in the mid 70s. Let's play hooky! 

That moisture on the Friday map will head our way late Friday night.
I get lots of questions about weekend weather at this time of the year...outdoor events of all shapes and sizes occur in May. I wasn't Mr. Popularity during last weekend...will my stock go up this weekend?? Yes and no.The good news: it will NOT be as crummy as last weekend. The bad: Some rain is likely Saturday, especially in the morning.
I SUSPECT we can salvage Saturday afternoon with not much more than a passing shower. Cool-ish Saturday with highs probably in the 60s.Sunday will be a nicer day with seasonable temperatures and (probably) dry weather. Only a small (20%) chance for a shower.
We've been talking about more consistent warmth coming our way for the final third of May for a while now and that idea still looks good.
We've righted the ship after a very sketchy period to start May.
The Valley’s most detailed weather forecast is “Weather For Weather Geeks”! This evening's video will be on ericwfmj.com and wfmj.com/weather as well as the StormTracker app by 8:00pm.
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Well the weekend was......not great. The airport registered 0.2" of snow Sunday. Having snowflakes in mid-May is not ALL that usual but enough to measure? That is! The date of the latest measurable snow in Youngstown is May 16 (today) so yesterday's snow was nearly a record breaker. Biggest May snows in Youngstown:
Today started cold and frosty. Low temperatures:
High pressure is nearly overhead today so it'll be a nice, sun-filled afternoon. Still below average but MUCH better than the weekend!

A system scooting by to our south will spread some light rain into the region Tuesday. Not a washout but plan on at least a little rain at just about any point.Simulated radar:
Wednesday through Friday are all looking nice and comfortable. Enjoy!

We have plenty of time to fine-tune the forecast but as of this morning the chance is there for some rain over the weekend. At least it will NOT be as cold as the previous weekend.
Still think the final 1/3 of May will be warmer!
The Valley’s most detailed weather forecast is “Weather For Weather Geeks”! This evening's video will be on ericwfmj.com and wfmj.com/weather as well as the StormTracker app by 8:00pm.
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Wednesday's highs were in the mid 70s and with some humidity it felt a bit like summer. Today will certainly feel like June or even July with highs between 80-82 this afternoon:
Dewpoints will be mainly in the lower 60s later today, making it feel rather humid (especially by May standards). The warmth and humidity will make the atmosphere modestly unstable later today as a cold front approaches. A shower or thunderstorm is something that can't be ruled out this afternoon but the highest risk of wet weather is this evening into the overnight. 15 hour futurecast:
I am not worried about widespread severe weather with the front coming through at night and a lack of wind shear in the atmosphere. The Storm Prediction Center has much of Ohio in a "marginal" risk and honestly I suspect they are too far east with this.

Friday will start damp but the rain will be out of here shorty after daybreak on average.
The afternoon will be breezy and less humid with sunshine and temperatures in the lower 70s. Take advantage if you can!

A rainy start to Saturday with spotty showers around in the afternoon as well. Much cooler with highs in the mid 50s.
Sunday: Yick. Even cooler with spotty showers that may have soft hail/graupel. Wet SNOW could be seen in southern NY and northern PA (I don't think we see snowflakes here). Highs around 50 or so. Many will stay in the 40s. Catch up on Netflix.
FROST/FREEZE THREAT?Temperatures will drop quickly Sunday night. The threat for frost is legitimate and I can't rule out subfreezing temperatures for some. Plan to cover/bring in plants.
I like the chances for warmth in the longer range....the final 1/3 of May will hold the best chance for above average temperatures this month.
It's been a tough month so far in this area but we were on the money Wednesday.
The Valley’s most detailed weather forecast is “Weather For Weather Geeks”! This evening's video will be on ericwfmj.com and wfmj.com/weather as well as the StormTracker app by 8:00pm.
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A seasonable day Tuesday with highs in the mid 60s. We'll do even better today. Not exactly a bright and sunny start to our day though:
We expect variable amounts of clouds today with the weather staying largely dry until late afternoon. That's when a shower or thunderstorm is most likely to pop up here and there. 15 hour futurecast:
Severe weather risk is very minimal today....any thunderstorm this afternoon will bring a downpour. Remember that lightning is always dangerous.
The air mass will continue to warm ahead of a cold front on Thursday. It will be humid as well with dewpoints reaching the lower and middle 60s.Temperatures should be near 80!
Showers and thunderstorms will wait until pretty late in the day to get this far east. The greatest risk will be after 5-6pm:
While the risk of severe weather is somewhat higher than today, it's still pretty low. Higher likelihood to our west:
In the wake of the front, Friday will feature a drying trend with a pretty nice afternoon. Highs near 70 with noticeably lower humidity.
The second front will be the stronger one. A raw and damp day on the way Saturday with the steadiest rain likely in the morning hours. Temperatures no higher than the mid 50s.
Sunday will be quite chilly as well. A secondary weather disturbance might bring an afternoon shower or sprinkle. Again...temperatures no higher than 52-55.
Pattern change is likely in the longer range...be patient!
The Valley’s most detailed weather forecast is “Weather For Weather Geeks”! This evening's video will be on ericwfmj.com and wfmj.com/weather as well as the StormTracker app by 8:00pm.
Interested in joining our closed spotter group on Facebook?? We prefer you be SKYWARN trained but some exceptions can be made. This group is a place to report severe weather or just chat about interesting weather across our region. Fill out this form if interested!Storm Tracker 21 Spotter Sign Up Sheet
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A nice sunny Mother's Day and the new work week is starting with some sunshine as well.BUT, the radar at 8:20am is a little concerning, right?
Well this is a bit deceiving. A lot of the rain is not reaching the ground north of I-70. There is a lot of DRY air in the lowest few thousand feet of the atmosphere so the rain evaporates on the way down.You can see the dry air when looking at a vertical profile of the atmosphere (a "sounding"). The sounding for Youngstown early this afternoon shows a large spread in the green (dewpoint) and res (temperature) lines, indicating the air is quite dry.
The HRRR model simulated radar shows some of the precipitation trying to work in around midday today. Aside from a sprinkle, I am not expecting any rain...just an increase in clouds.
Highs today will be just a shade below average.
Tuesday through Thursday will be the unsettled part of the week although none of those days should be a "washout". We look for a couple of showers Tuesday; thunder is not very likely.
Wednesday will bring a better chance for thunder as more humid air arrives. Notice the "CAPE" a measure of instability, gets pretty high in the afternoon:
Thursday is the day with the best chance for stronger storms, depending on the timing of the arrival of the next front. If the front approaches late in the afternoon, some storms could be feisty.
The front sweeps east of Friday does not look bad.
A chilly weekend on the way with showers pretty likely on Saturday. Sunday looks cool but largely dry. A warming trend next week.
The Valley’s most detailed weather forecast is “Weather For Weather Geeks”! This evening's video will be on ericwfmj.com and wfmj.com/weather as well as the StormTracker app by 8:00pm.
Interested in joining our closed spotter group on Facebook?? We prefer you be SKYWARN trained but some exceptions can be made. This group is a place to report severe weather or just chat about interesting weather across our region. Fill out this form if interested!Storm Tracker 21 Spotter Sign Up Sheet
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