PrinceFrederickWx Posted April 15, 2015 Share Posted April 15, 2015 A somewhat interesting thing I noticed- BWI has not had one 80+ high this month so far. There doesn't appear to be any chance over the next seven days either (unless maybe Saturday busts warm). The last time BWI had an April without an 80+ high was in 1997. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted April 19, 2015 Share Posted April 19, 2015 A somewhat interesting thing I noticed- BWI has not had one 80+ high this month so far. There doesn't appear to be any chance over the next seven days either (unless maybe Saturday busts warm). The last time BWI had an April without an 80+ high was in 1997. Yep. High of 80 today, so nevermind. Link to comment Share on other sites More sharing options...
WxUSAF Posted April 20, 2015 Share Posted April 20, 2015 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 Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted May 2, 2015 Share Posted May 2, 2015 3rd coldest Jan-Apr period at BWI. Below are the top five (in degrees): 1904: 36.7 1875: 37.2 2015: 37.6 1895: 37.7 1893: 37.8 Also remember that Jan-Apr 2014 was tied for 5th last year and is now tied for 6th. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted May 20, 2015 Share Posted May 20, 2015 It's probably time to abandon the idea of top 10 coldest calendar year for BWI and focus on top 10 hottest May, so... 68.4 is the magic number that gives BWI a tie for top 10. Right now they are at 68.6. The next few days will knock that average down, but if we blowtorcher next week as currently forecast it will be back in play again. Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted May 20, 2015 Share Posted May 20, 2015 It's probably time to abandon the idea of top 10 coldest calendar year for BWI and focus on top 10 hottest May, so... 68.4 is the magic number that gives BWI a tie for top 10. Right now they are at 68.6. The next few days will knock that average down, but if we blowtorcher next week as currently forecast it will be back in play again. IF??? Now, that's funny. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted May 20, 2015 Share Posted May 20, 2015 IF??? Now, that's funny. Trying to stay positive. I'm hoping this month isn't another inflection point like March 2010, if you know what I mean... Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted May 20, 2015 Share Posted May 20, 2015 Trying to stay positive. I'm hoping this month isn't another inflection point like March 2010, if you know what I mean... yep. Link to comment Share on other sites More sharing options...
MN Transplant Posted May 25, 2015 Author Share Posted May 25, 2015 Both MOS and the NWS forecasts leave DCA with the #2 warmest May on record. It wouldn't take much more to push to #1. Basically, an average of 88/71 the rest of the way is a tie. Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted May 29, 2015 Share Posted May 29, 2015 May is the new July for BWI. There hasn't been a below average May since 2008, and nine of the last ten Mays (including this one) have been above average. This May is currently ranked 13th hottest, but is very close to being in the top 10- if it happens, that would be two top 10 hottest Mays in just four years. Link to comment Share on other sites More sharing options...
MN Transplant Posted May 29, 2015 Author Share Posted May 29, 2015 Still a toss-up at DCA for warmest May on record. Link to comment Share on other sites More sharing options...
Deck Pic Posted May 31, 2015 Share Posted May 31, 2015 Still a toss-up at DCA for warmest May on record. looks like a lock, though didn't dig into the hundredths of a point. Still even if the 72.9 now is 72.85, today should push us to 73.1...what a vile month... Link to comment Share on other sites More sharing options...
MN Transplant Posted May 31, 2015 Author Share Posted May 31, 2015 looks like a lock, though didn't dig into the hundredths of a point. Still even if the 72.9 now is 72.85, today should push us to 73.1...what a vile month... Yep. Hottest May on record. IAD will be at least top 3. Didn't check BWI. Link to comment Share on other sites More sharing options...
wxdude64 Posted May 31, 2015 Share Posted May 31, 2015 Yep. Hottest May on record. IAD will be at least top 3. Didn't check BWI. U G L Y Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted May 31, 2015 Share Posted May 31, 2015 Easily the worst May in my memory. Worst for heat. Worst for rain. Worst for pollen. Link to comment Share on other sites More sharing options...
RodneyS Posted May 31, 2015 Share Posted May 31, 2015 Easily the worst May in my memory. Worst for heat. Worst for rain. Worst for pollen. Warmest average DC May temperature (73.2 at DCA, vs 73.0 in 1991). However, average maximum temp. of 82.4 was exceeded by 83.1 in 1991. Also, current precipitation (assuming none this evening) of 1.92 inches ranks as only the 28th driest in DC history -- 1991 was only 1.57 inches. 1991 also finished with these three maximum temperatures: 97 on May 29th, 98 on May 30th, and 99 on May 31st. Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted June 1, 2015 Share Posted June 1, 2015 Warmest average DC May temperature (73.2 at DCA, vs 73.0 in 1991). However, average maximum temp. of 82.4 was exceeded by 83.1 in 1991. Also, current precipitation (assuming none this evening) of 1.92 inches ranks as only the 28th driest in DC history -- 1991 was only 1.57 inches. 1991 also finished with these three maximum temperatures: 97 on May 29th, 98 on May 30th, and 99 on May 31st. That 3-day stretch sounds brutal; glad I don't remember it. But it does illustrate how bad this May was by comparison Remove those 3 ridiculous days that occurred at the end of May and this May blows 1991 out of the water. This May didn't reach that extreme, but it's been hot nearly door-to-door, and that is far worse to me than a few days of extreme heat. Great stats look-up, btw. Thanks. Link to comment Share on other sites More sharing options...
RodneyS Posted June 1, 2015 Share Posted June 1, 2015 That 3-day stretch sounds brutal; glad I don't remember it. But it does illustrate how bad this May was by comparison Remove those 3 ridiculous days that occurred at the end of May and this May blows 1991 out of the water. This May didn't reach that extreme, but it's been hot nearly door-to-door, and that is far worse to me than a few days of extreme heat. Great stats look-up, btw. Thanks. I think perception of heat depends on whether you're focusing on average maximum or average minimum temperatures. This year at DCA, the average May minimum was 63.8 vs. 62.8 in 1991, and even at IAD the relative numbers for those two Mays are 57.5 vs 57.1. On the other hand, IAD has yet to record its first 90+ degree day of 2015, whereas in 1991 maximums for the last seven days of May ranged between 90 and 95. By the way, the warmest May at IAD was actually 2004 at 69.8, followed by 69.3 in 1991 and 68.9 in 2015. Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted June 1, 2015 Share Posted June 1, 2015 I think perception of heat depends on whether you're focusing on average maximum or average minimum temperatures. This year at DCA, the average May minimum was 63.8 vs. 62.8 in 1991, and even at IAD the relative numbers for those two Mays are 57.5 vs 57.1. On the other hand, IAD has yet to record its first 90+ degree day of 2015, whereas in 1991 maximums for the last seven days of May ranged between 90 and 95. By the way, the warmest May at IAD was actually 2004 at 69.8, followed by 69.3 in 1991 and 68.9 in 2015. Hard to believe that IAD didn't record a 90F this month, OKV had 3. Link to comment Share on other sites More sharing options...
famartin Posted June 1, 2015 Share Posted June 1, 2015 Hard to believe that IAD didn't record a 90F this month, OKV had 3. AWOS's have a history of warm biases, be careful using it. Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted June 1, 2015 Share Posted June 1, 2015 AWOS's have a history of warm biases, be careful using it. That's interesting; didn't know that. I also assumed that each airport used automated sensors, am I wrong? Link to comment Share on other sites More sharing options...
famartin Posted June 1, 2015 Share Posted June 1, 2015 That's interesting; didn't know that. I also assumed that each airport used automated sensors, am I wrong? Yes, but IAD, DCA, etc are ASOS's maintained by NWS, while JYO, OKV, etc are AWOS's maintained by someone else (FAA or the state DOT usually) Link to comment Share on other sites More sharing options...
PrinceFrederickWx Posted June 1, 2015 Share Posted June 1, 2015 May at BWI finished 7th at 69.1 degrees. This moved May 2012 (69.0 degrees) down to tied for 8th now. All without breaking a single daily record high or high minimum too. I can't think of any other year that had a such a dramatic turnaround with temps as this one. 1936 gets talked about a lot, but that was more for the midwest I think- the actual numbers aren't that impressive at BWI at least. Oh and if anyone cares, we're now in 17th for the coldest year ever race. LOL Its a little unsettling how easily BWI tied that record highest min yesterday, just seemingly out of nowhere. I hope that's not an omen like 4/4/2011 or 4/5-6/2010... Yeah it probably was. Could probably add 4/16/12 to the mix too. We're screwed. Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted June 1, 2015 Share Posted June 1, 2015 Yes, but IAD, DCA, etc are ASOS's maintained by NWS, while JYO, OKV, etc are AWOS's maintained by someone else (FAA or the state DOT usually) Good to know. Thank you. Link to comment Share on other sites More sharing options...
Deck Pic Posted June 1, 2015 Share Posted June 1, 2015 May ended up warmer than 14 Junes since the recording station moved to DCA....as recently as 2003 Link to comment Share on other sites More sharing options...
RodneyS Posted June 1, 2015 Share Posted June 1, 2015 May ended up warmer than 14 Junes since the recording station moved to DCA....as recently as 2003 The ultimate in this context would be to have a warmer May than June in the same calendar year. The closest DC has ever come was 1918, at 69.6 degrees in May and 70.8 degrees in June. Link to comment Share on other sites More sharing options...
mitchnick Posted June 1, 2015 Share Posted June 1, 2015 May ended up warmer than 14 Junes since the recording station moved to DCA....as recently as 2003 good! except for 5/57, every strong NINO that had a lousy winter (at BWI) was preceded by colder than normal Mays (5/72 and 5/97) while the decent strong NINO winters had warm Mays (5/65 and 5/82).....and since the NINO of 57/58 had a NINA the preceding winter, we toss and before you say it, I'm just starting the denial process for this winter early, so give me a break that said, I still prefer the "coincidence" to be in our favor than against it Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted June 1, 2015 Share Posted June 1, 2015 good! except for 5/57, every strong NINO that had a lousy winter (at BWI) was preceded by colder than normal Mays (5/72 and 5/97) while the decent strong NINO winters had warm Mays (5/65 and 5/82).....and since the NINO of 57/58 had a NINA the preceding winter, we toss and before you say it, I'm just starting the denial process for this winter early, so give me a break that said, I still prefer the "coincidence" to be in our favor than against it I'll take that inference even further; since this is the warmest May ever, then we must also be due for the best nino winter ever! Link to comment Share on other sites More sharing options...
mitchnick Posted June 1, 2015 Share Posted June 1, 2015 I'll take that inference even further; since this is the warmest May ever, then we must also be due for the best nino winter ever! that's the spirit! your location is always in a primo location during NINOs, so early congrats to ya! Link to comment Share on other sites More sharing options...
MN Transplant Posted June 1, 2015 Author Share Posted June 1, 2015 So, March is now winter and May is now summer. Yeah, Spring-pril. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now