wxmeddler Posted August 5, 2013 Share Posted August 5, 2013 RULES: ENTRY END TIME: 1z Tuesday (9PM Monday) CONTEST START TIME: 4z Tuesday (Midnight Tuesday) CONTEST END TIME: 4z Saturday (11:59:59 Friday) CONTEST FIELDS: (copy and fill this out) Rainfall at DCA: Rainfall at IAD:Rainfall at BWI: High Temperature at DCA for period: Low Temperature at DCA for period: Tiebreaker- Lowest humidity for period at DCA: CONTEST SCORING:(Rain @ DCA + Rain @ IAD + Rain @ BWI) + (High @ DCA / 10) + (Low @ DCA /10) = Ex. (2.43 + 2.60 + 1.72) + (82/10) + (68/10) = LATE ENTRIES:Late entries will have a penalty of .25 pts per hour until Midnight Tuesday (Start of the contest)(max .75 pts). After that, the entrant may put out a forecast but will be disqualified and given a " * " Link to comment Share on other sites More sharing options...
nw baltimore wx Posted August 5, 2013 Share Posted August 5, 2013 Did you mean to say BWI? Also, I'm not criticizing but am wondering why you're totally the precipitation from all the airports and not considering the error from each. Why not just say how much total precip at all three airports? But maybe I am missing something. I'm not the sharpest knife on the Christmas tree so maybe I am being stupid. Edit: I should have prefaced this post with a thank you for coming up with and organizing a contest. They're always a lot of fun, so thanks. Link to comment Share on other sites More sharing options...
Avdave Posted August 5, 2013 Share Posted August 5, 2013 You should add a station like Elkins wv or Roanoke va Link to comment Share on other sites More sharing options...
wxmeddler Posted August 5, 2013 Author Share Posted August 5, 2013 Did you mean to say BWI? Also, I'm not criticizing but am wondering why you're totally the precipitation from all the airports and not considering the error from each. Why not just say how much total precip at all three airports? But maybe I am missing something. I'm not the sharpest knife on the Christmas tree so maybe I am being stupid. Edit: I should have prefaced this post with a thank you for coming up with and organizing a contest. They're always a lot of fun, so thanks. Sorry, Yes I meant BWI and I fixed the original post: In the end it doesn't matter if you take off the precip by each airport or if you total each airport and subtract : So: Case 1: each airport (forecast-actual): (|2.50- 2.25|) + (|2.75-2.5|) + (|3.00-2.75) = (.25+.25+.25) = .75 OR Case 2 all airports forecast - actual: (2.50 + 2.75 + 3) - (2.25 + 2.5 + 2.75) = (8.25)-(7.5) = .75 It's the same no matter which way you do the math, it's just a matter of parenthesizes. You should add a station like Elkins wv or Roanoke va Taking the KISS approach. It's only a 24 hr forecast entry time, if I had made it 2 days ago then perhaps. Maybe next time. Link to comment Share on other sites More sharing options...
mattie g Posted August 5, 2013 Share Posted August 5, 2013 Rainfall at DCA: .98" Rainfall at IAD: .72"Rainfall at BWI: 1.46" High Temperature at DCA for period: 90 Low Temperature at DCA for period: 67 Tiebreaker- Lowest humidity for period at DCA: 62% Link to comment Share on other sites More sharing options...
mappy Posted August 5, 2013 Share Posted August 5, 2013 First guess to be edited later (I'm sure): Rainfall at DCA: 1.40 Rainfall at IAD: 1.10 Rainfall at BWI: 1.60 High Temperature at DCA for period: 91 Low Temperature at DCA for period: 67 Tiebreaker- Lowest humidity for period at DCA: 59% Link to comment Share on other sites More sharing options...
mappy Posted August 5, 2013 Share Posted August 5, 2013 wait, is the humidity percentage, or dewpoint? Link to comment Share on other sites More sharing options...
WinterWxLuvr Posted August 5, 2013 Share Posted August 5, 2013 Rainfall at DCA: 1.34 Rainfall at IAD: 1.14 Rainfall at BWI: 0.97 High Temperature at DCA for period: 86 Low Temperature at DCA for period: 66 Tiebreaker- Lowest humidity for period at DCA: 57 % Link to comment Share on other sites More sharing options...
yoda Posted August 5, 2013 Share Posted August 5, 2013 Rainfall at DCA: 1.03 Rainfall at IAD: 1.24Rainfall at BWI: 1.11 High Temperature at DCA for period: 85 Low Temperature at DCA for period: 67 Tiebreaker- Lowest humidity for period at DCA: 60% Link to comment Share on other sites More sharing options...
mappy Posted August 5, 2013 Share Posted August 5, 2013 wait, is the humidity percentage, or dewpoint? I guess its percentage... Link to comment Share on other sites More sharing options...
gymengineer Posted August 5, 2013 Share Posted August 5, 2013 Did you mean to say BWI? Also, I'm not criticizing but am wondering why you're totally the precipitation from all the airports and not considering the error from each. Why not just say how much total precip at all three airports? But maybe I am missing something. I'm not the sharpest knife on the Christmas tree so maybe I am being stupid. Edit: I should have prefaced this post with a thank you for coming up with and organizing a contest. They're always a lot of fun, so thanks. Why are there knives on a Christmas tree? Link to comment Share on other sites More sharing options...
wxmeddler Posted August 5, 2013 Author Share Posted August 5, 2013 Percentage. I initially had it as dew point but the climate report does not include dew point and since this is a "rainy" contest. I figured RH would be better suited. Link to comment Share on other sites More sharing options...
H2O Posted August 5, 2013 Share Posted August 5, 2013 DCA: .89" IAD: .95" BWI: 1.08" Hi temp: 87 Low temp: 65 Humidity: 70% Link to comment Share on other sites More sharing options...
Scuddz Posted August 5, 2013 Share Posted August 5, 2013 I haven't joined one of these in a while: DCA: .1.34" IAD: .78" BWI: 1.57" Hi temp: 91 Low temp: 69 Humidity: 49% Link to comment Share on other sites More sharing options...
North Balti Zen Posted August 5, 2013 Share Posted August 5, 2013 DCA: 1.11" IAD: 1.32" BWI: 1.21" Hi temp: 84 Low temp: 63 Humidity: 56% Link to comment Share on other sites More sharing options...
aldie 22 Posted August 5, 2013 Share Posted August 5, 2013 DCA .48 IAD .55 BWI .40 Hi temp 92 Low temp 64 Humidity 59% Link to comment Share on other sites More sharing options...
MN Transplant Posted August 5, 2013 Share Posted August 5, 2013 DCA: 0.76" IAD: 1.20" BWI: 0.98" Hi: 88 Lo: 67 Humidity: 57% Link to comment Share on other sites More sharing options...
RodneyS Posted August 5, 2013 Share Posted August 5, 2013 DCA: 1.49" IAD: 1.08" BWI: 1.58" Hi: 87 Lo: 67 Humidity: 59% Link to comment Share on other sites More sharing options...
Ian Posted August 5, 2013 Share Posted August 5, 2013 Rainfall at DCA: 1.25" Rainfall at IAD: 1"Rainfall at BWI: 1.5" High Temperature at DCA for period: 90 Low Temperature at DCA for period: 66 Tiebreaker- Lowest humidity for period at DCA: 52% == most complicated contest ever? Link to comment Share on other sites More sharing options...
mappy Posted August 6, 2013 Share Posted August 6, 2013 I made an edit to my entry but am mobile so I couldn't time stamp it Link to comment Share on other sites More sharing options...
wxmeddler Posted August 6, 2013 Author Share Posted August 6, 2013 I made an edit to my entry but am mobile so I couldn't time stamp it No problem. I won't tally it until 9pm then again at midnight for any late comers. Link to comment Share on other sites More sharing options...
wxmeddler Posted August 6, 2013 Author Share Posted August 6, 2013 Rainfall at DCA: 1.14 Rainfall at IAD: 0.87Rainfall at BWI: 1.06 High Temperature at DCA for period: 87 Low Temperature at DCA for period: 68 Tiebreaker- Lowest humidity for period at DCA: 71% Link to comment Share on other sites More sharing options...
Ian Posted August 6, 2013 Share Posted August 6, 2013 Rainfall at DCA: 1.14 Rainfall at IAD: 0.87 Rainfall at BWI: 1.06 High Temperature at DCA for period: 87 Low Temperature at DCA for period: 68 Tiebreaker- Lowest humidity for period at DCA: 71% You're going to bust on humidity in a few hours Link to comment Share on other sites More sharing options...
Ian Posted August 6, 2013 Share Posted August 6, 2013 Dews are surging nice maybe you won't bust that fast on humidity. I actually had to go back a look at some past warm/humid days on that one or I would have gone higher. Link to comment Share on other sites More sharing options...
wxmeddler Posted August 6, 2013 Author Share Posted August 6, 2013 Dews are surging nice maybe you won't bust that fast on humidity. I actually had to go back a look at some past warm/humid days on that one or I would have gone higher. I thought DCA would radiate a bit faster than it did with near clear skies and dry mid/upper levels, combine that with the low level moisture increasing from the S (Potomac) and that's where I got my 71%. It looks like it will be 64-65%. Better than 52% Link to comment Share on other sites More sharing options...
MN Transplant Posted August 6, 2013 Share Posted August 6, 2013 I really like the RH as a contest variable, because you have to give it some thought. The problem with meddler's guess is that the high temp of 87 requires a DP of 76 to stay above his min RH. The min RH is likely to be Friday afternoon, even if it is steamy and gross because of how the calculation works. Link to comment Share on other sites More sharing options...
Ian Posted August 6, 2013 Share Posted August 6, 2013 I thought DCA would radiate a bit faster than it did with near clear skies and dry mid/upper levels, combine that with the low level moisture increasing from the S (Potomac) and that's where I got my 71%. It looks like it will be 64-65%. Better than 52% Yeah not a bust after all really. Yet at least. Link to comment Share on other sites More sharing options...
mappy Posted August 6, 2013 Share Posted August 6, 2013 my humidity entry was a total guess. i think dewpoint would have been easier Link to comment Share on other sites More sharing options...
Scuddz Posted August 6, 2013 Share Posted August 6, 2013 I particularly enjoy all the max T's 90+ with min RH in the high 50's. Link to comment Share on other sites More sharing options...
MN Transplant Posted August 6, 2013 Share Posted August 6, 2013 DCA: 0.07" IAD: 0.01" BWI: 0.08" Link to comment Share on other sites More sharing options...
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