WxUSAF
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Everything posted by WxUSAF
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Although we're suffering through endless summer and tropical moistness, we should, in theory, be only weeks away from the first freeze in our region (minus DCA, which may never have a freeze again). You are forecasting the first day the temperature reaches 32F at these locations: DCA: BWI: IAD: RIC: Tiebreaker: October rainfall at IAD. Lowest total departure wins! This thread will lock at midnight September 30th.
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My hands have been very dry.
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Maybe it did and I just forgot. But I remember having no issues driving to work.
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I thought 3/25/13 was ridiculous. I had ~6", nothing on the streets, didn't even get a day off work, and it was all gone by lunch.
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My WAG is IAD and BWI at least get a fraction of an inch in February and then all 3 airports get 3" of slop overnight in mid-March that melts by 10am. It's like 12-13 but even worse.
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I think that's the idea, yes. So low southern ice and the ridiculously low Arctic ice gives you that insane figure.
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Ooof. Holy shi-t.
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Saw on Twitter that the IAD sounding had 1.8" of precipitable water, which sets the all-time Dec-Apr record.
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What's the most anomalous single day departure on record for the airports? We're looking at a +30 or so for xmas eve?
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New paper linking the cold winter of 13-14 with the warm central Pacific SST anomaly. http://onlinelibrary.wiley.com/wol1/doi/10.1002/2015GL063083/full
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10 below normal months at BWI in the period of November 13-February 15. February 15, January 15, November 14, August 14, July 14, April 14, March 14, February 14, January 14, November 13 That's a pretty impressive run given climate and UHI both progressively working against below normal temps. Maybe some of the stat-minded folks can tell us how exceptional it is?
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1st time with 4 consecutive BN months at BWI since 1970 apparently? According to Tony Pann.
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That's a gimmee today. Same for IAD.
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Wow…62F is the record. Lowest record high max of the entire month and only set 2 years ago! That's a gimmee. IAD's record is 61F, also set in 2011. Both of those are probably locks. DCA is 68F. That's going to be close.
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Here's a nice reference for the upper air pattern when a KU is about to happen:
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^that was the greatest quake meme ever
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Best ever
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Biggest facepalm moment so far...a met on WTOP radio saying that a 2.8 magnitude aftershock was "half as strong" as the 5.8 primary quake. The Richter scale is LOGARITHMIC. A 2.8 is 1000 times weaker than a 5.8.
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It's the 3rd update to the depth I've seen...but they've all said "poorly constrained". First depth was ~4km (can't remember exactly), then 1km, and now 0.1km.
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Thanks for the link, Josh! Wish I had that before I sent my report in to USGS. I said "Moderate" in my report, but based on that, it was "Rather Strong" or possibly even "Strong". My exact thought was that it felt like a freight train was speeding by my office.
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Updated depth...0.1 km!!
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Bethesda...how many downed trees, broken water mains, collapsed buildings and fatalties in your area?
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Not sure where people are getting 6.0 magnitudes from. Still says 5.9 on USGS.
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Was two distinct periods here. First one was relatively minor, then a pause for a few seconds, then stronger shaking (made my computer screen shake). Are those the p and s waves? Or vice versa?
