Forecast Contest

Forecast Contest

10am Dulles Observation for Wed. Dec 9:
KIAD 091452Z 19004KT 0SM R01R/1200V1800FT FG VV002 04/04 A3011
RMK AO2 SFC VIS 1/16 SLP198 T00440039 50003
Low and high for Wed: 29 46
Low and high for Wed for Scottsdale, AZ: 47 71
10am Dulles Observation for Wed. Dec 2:
KIAD 021452Z 16003KT 1/2SM R01R/P6000FT -RA FG VV002 11/11 A2987
RMK AO2 RAB1359 SLP115 P0001 60003 T01060106 58007
Low and high for Wed: 47 57
Low and high for Wed for Norfolk, VA: 56 66
10am Dulles Observation for Wed. Nov 18:
KIAD 181452Z 09004KT 10SM BKN017 OVC025 12/08 A3039 RMK AO2 SLP291 T01170083
Low and high for Wed: 47 66
Low and high for Wed for Casper, WY: 13 46
10am Dulles Observation for Wed. Nov 11:
KDCA 111452Z 30012G19KT 10SM BKN039 BKN250 14/07 A2998
RMK AO2 PK WND 31027/1418 SLP152 T01440072 51024
(oops -- above ob is for DCA)
Low and high for Wed: 45 62
Low and high for Wed for Peoria, IL: 48 66
10am Dulles Observation for Wed. Nov 4:
KIAD 041452Z 00000KT 10SM CLR 16/09 A3034 RMK AO2 SLP275 T01560094
Low and high for Wed: 39 75
Low and high for Wed for Washington National: 48 75
10am Dulles Observation for Wed. Oct 28:
KIAD 281352Z 11012G18KT 4SM -RA BR BKN006 OVC014 17/16 A2998
RMK AO2 RAB10 SLP153 P0003 T01670161=
Low and high for Wed: 54 70
Low and high for Wed for Myrtle Beach: 70 74
10am Dulles Observation for Wed. Oct 21:
KIAD 211352Z 00000KT 10SM FEW250 13/07 A3036 RMK AO2 SLP281 T01330067
Low and high for Wed: 39 77
Low and high for Wed for Seattle WA: 47 61
10am Dulles Observation for Wed. Oct 7:
KIAD 071352Z 30003KT 10SM OVC050 17/13 A3008 RMK AO2 SLP184 T01720133
Low and high for Wed: 52 77
Low and high for Wed for Roswell NM: 57 75
10am Dulles Observation for Wed. Sep 23:
KIAD 231352Z 01007KT 10SM FEW250 18/13 A3028 RMK AO2 SLP252 T01830133
Low and high for Wed: 56 79
Low and high for Wed for Sioux Falls SD: 64 72
10am Dulles Observation for Wed. Sep 16:
KIAD 161352Z 00000KT 10SM FEW250 21/13 A3038
RMK AO2 SLP286 T02110128
Low and high for Wed: 50 86
Low and high for Wed for Syracuse: 54 84
10am Dulles Observation for Wed. Sep 09:
KIAD 091352Z 23006KT 10SM BKN080 BKN110 26/22 A2996 RMK AO2 SLP142 T02610217
Low and high for Wed: 72 92
Low and high for Wed for Blacksburg: 63 85

10am Dulles Observation for Wed. Nov 26:
KIAD 261452Z 02008KT 3SM -SN BR SCT009 BKN017 OVC022 02/01 A3006 RMK AO2 RAE50SNB50 SLP182 P0012 60040 T00170011 56002
Low and high for Wed: 32 45
The low was at 4pm, and the high was at 4am. LOL!
High for Saturday Nov 29: 45
10am Dulles Observation for Wed. Nov 19:
KIAD 191452Z 20007KT 10SM FEW250 M03/M14 A3034 RMK AO2 SLP278 T10331139 50002
Low and high for Wed: 13 35 (Record Low)
High for Saturday Nov 22: 49

10am Dulles Observation for Wed. Nov 12:
KIAD 121452Z 00000KT 10SM FEW075 SCT150 14/11 A2999 RMK AO2 SLP154 T01440106

(The 9am ob: KIAD 121352Z 00000KT 1/16SM R01R/0800V2200FT FG VV001 11/11 A2996 RMK AO2 SLP144 T01110111 )

Low and high for Wed: 47 62
High for Saturday Nov 15: 43

10am Dulles Observation for Wed. Nov 5:
KIAD 051452Z 00000KT 10SM FEW120 SCT200 BKN250 14/03 A3019 RMK AO2 SLP224 T01440033 53013
Low and high for Wed: 49 64
High for Saturday Nov 8: 50

10am Dulles Observation for Wed. Oct 29:
KIAD 291352Z 35008KT 10SM FEW100 BKN170 BKN250 17/10 A2996 RMK AO2 SLP143 T01720100
Low and high for Wed: 53 67

The preliminary high reported at Dulles is 67 at 1213am and a low of 53 at 1247pm. Not sure what to do about this! Based on the hourly reports, the overnight low was about 56 and the daytime high was about 64.
High for Saturday Nov. 1: 50

10am Dulles Observation for Wed. Oct 22:
KIAD 221352Z 33013KT 10SM FEW028 BKN043 OVC080 12/09 A2995 RMK AO2 RAE09 SLP140 P0001 T01170094
Low and high for Wed: 51 55

High for Saturday 25th: 72

10am Dulles Observation for Wed. Oct 8:
KIAD 081352Z 20007KT 10SM CLR 18/14 A2995 RMK AO2 SLP141 T01780139
Low and high for Wed: 49 76
Low Tue night/Wed morning: 52
High Saturday: 58

10am Dulles Observation for Wed. Oct 1:
KIAD 011352Z VRB03KT 7SM BKN009 OVC012 17/16 A3005 RMK AO2 SLP172 T01720161
Low and high for Wed: 58 72
Low Tue night/Wed morning: 62
High Saturday: 67

Note: for the 24 hour midnight-to-midnight period of Oct. 1, the official low was 58 at 11:59pm.
Our forecast contest calls for a forecast for the "low tonight", which is Tue. night / Wed. morning. The preliminary climate report for Dulles (issued 5:27pm on 10/1) indicates a low of 62 at 7:27am. This is the value used for the forecast contest.

10am Dulles Observation for Wed. Sept. 24:
KIAD 241352Z 35007KT 10SM FEW060 SCT160 BKN250 13/09 A3047 RMK AO2 SLP318 T01280094
Low and high for Wed: 47 68
Saturday Hi: 80

10am Dulles Observation for Wed. Sept. 17:
KIAD 171352Z 35004KT 10SM SCT070 17/11 A3008 RMK AO2 SLP185 T01720106
Low and high for Wed: 48 74
Saturday Hi: 79
10am Dulles Observation for Wed. Sept. 10:
KIAD 101352Z 16004KT 10SM OVC016 21/17 A3013 RMK AO2 SLP202 T02060172
Low and high for Wed: 67 77
Saturday Hi: 69