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DC/MD/VA/WV General Obs/Disc: mid-July - end of August


Ellinwood

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Not understanding the forecast high today of 82 at all. A dewpoint in the low-to-mid 50s and a cloudless day, and the forecast for here is high of 82? We had an overnight low of 64 (which after the ridiculous heat of the last month felt very nice), so we're only going to warm 18 degress? Not a chance.

Predictably, it's 9:30 AM and already 78.

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Not understanding the forecast high today of 82 at all. A dewpoint in the low-to-mid 50s and a cloudless day, and the forecast for here is high of 82? We had an overnight low of 64 (which after the ridiculous heat of the last month felt very nice), so we're only going to warm 18 degress? Not a chance.

Predictably, it's 9:30 AM and already 78.

I see the NWS forecast highs for BWI and DCA are 86 and 88, but I'm wondering if either location will briefly make 90. Maybe that's a bit of a stretch though.

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I see the NWS forecast highs for BWI and DCA are 86 and 88, but I'm wondering if either location will briefly make 90. Maybe that's a bit of a stretch though.

It sure looks like it will be a lot closer than initial guidance. I guess anything after July is "nice" though.

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I see the NWS forecast highs for BWI and DCA are 86 and 88, but I'm wondering if either location will briefly make 90. Maybe that's a bit of a stretch though.

That seems much more reasonable. I'm not sure why our forecasted highs out here are lower than the city's; we almost always end up just as warm for highs, though our lows are lower outside the urban heat island.

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Wow, IAD really cratered. Wonder if there are local micrometeorological factors that help it get down so low (at least a few degrees cooler than all the PWSs in the area). 67.5 at my place, but I'm on a ridge with no pooling potential on calm nights.

they got a lot less rain over the weekend, tho that might not matter much

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Odds on getting another heatwave (and maybe just another 90+ day) are dropping quickly for those of us outside DC or Fredericksburg and points south. GFS continuing to keep us sub-90 for the entire run. I'm sure DCA will sneak a 90 out of one of the days that's mid-upper 80s for most of us, but we're starting to fight climo now.

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Wow, IAD really cratered. Wonder if there are local micrometeorological factors that help it get down so low (at least a few degrees cooler than all the PWSs in the area). 67.5 at my place, but I'm on a ridge with no pooling potential on calm nights.

I measured 60 for the low out here in the valley this morning, but it's heated up very quickly. 86F at 11:00 AM. No way, we won't smash through 90 today. I think the dryness is playing a big part; day after day the daytime highs are significantly higher than forecast. On a clear night, at least, we can get some relief from the heat, though we can't get any releif from the drought.

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