BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA TUESDAY NOVEMBER 20 2001 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....11/20/2001...@ 2 P.M. THE LONG DRY SPELL GOES ON AND ON.... COLD FRONT BRINGS VERY LITTLE RAINFALL...ONLY 0.03 INCH! PEAK WIND GUSTS BRIEFLY PAST 40 MPH ALONG THE FRONT THEN DIMINISHES RAPIDLY... A very scanty 0.03 in. of rain fell here this morning after the cold front passed just after 7 a.m. Peak wind gusts included: 47 MPH WNW on Merlin (Maximum, Inc.); 44 MPH WNW on Aerovane; 44 MPH WNW on NWS 420C; and 40 MPH on ASOS and the time for all gusts was 7:12 A.M. Clearing behind the front has been quite slow with the band of clear sky visible along the western horizon before 10 a.m. but the edge of the clearing was still about 20 miles to our west at 2 p.m. Visibility improved to a spectacular 90 miles + to our northwest by late this morning.... TODAY'S OBSERVATIONS.... 11/20/2001 TUE BHO SA 1155 25 SCT E35 OVC 20 056/57/51/2214G20/970/ RWU WSW AND NW VSBY N 10 WNW 45 HAZY ALQDS WND GRDLY VEERING/ 8/5/// 55005 10057 20053 BHO SP 1215 22 SCT E30 OVC 20RW- 2925G38/ PK WND 3038/12/ WSHFT/FROPA 1207 RB06E12 BHO SA 1455 10 SCT E55 OVC 50RW- 080/40/38/2712G20/977/ BINOVC/LINE OF CLRG XTDNG DSNT WSW-NNW VSBY NW 80 SE 25 PCPN VRY LGT/ 8/72// 50024 6003/ BHO SA 1755 80 SCT E120 BKN 180 BKN 200 OVC 60 074/43/34/2913/975/ FEW SC BINOVC/LINE OF CLRG XTDNG SW-N VIRGA OVHD-NE-S VSBY NW 90 SE 35/ 8/578/ 56006 6003/ 10057 20040 DATA RECORDED FOR MONDAY NOVEMBER 19... TEMPERATURES.... MAX : 60 MIN: 43 // ASOS MAX: 60 ASOS MIN: 43 NORMAL HIGH AND LOW: 48/34 MEAN 52 [+ 12 ] TOTAL DEP FOR MONTH TO DATE: + 48 degrees Nov. is averaging 2.3 degrees WARMER than normal..... PRECIPITATION....ON 11/20 AS OF 7 A.M. 24 HRS ENDING 7 A.M. ... 0.00 IN. ASOS......................0.00 IN. NOV. TOTAL................0.66 IN. DEP. FROM NORMAL: - 2.39 INS. Nov. snowfall: TRACE PRECIP. TOTAL YEAR 2001 TO DATE: 41.53 {- 0.73 IN. ] WIND DATA....FOR 11/19 PEAK GUST ASOS: 38 MPH SW AT 12:09 P.M. PEAK GUST 420C: 39 MPH SW AT 12:09 P.M. PEAK GUST AERO: 40 MPH SW AT 12:09 P.M. DAILY NOV. 2001 DATA....AT BLUE HILL... max/min/mean/dep/precip/snowfall/sun mins/%/pk gust/TSTM = thunderstorm day (Aero = the aerovane wind system ) 11/1 66/48/57/+10/0.13/0/359/58/ 28 SW 11/2 71/54/63/+16/0/0/253/41/ 37 SSW (Aero 38 MPH SSW ) 11/3 61/47/54/+8/0.27/0/012/02/ 31 SSW (Aero 32 MPH SSW) 11/4 58/43/51/+5/0/0/416/68/ 18 S 11/5 47/36/42/-4/0.17/T/195/32/ 36 NW (Aero 38 MPH NW ) 11/6 51/36/44/-1/0/0/522/86/ 42 NW (Aero 44 MPH NW ) 11/7 56/36/46/+1/0/0/526/87/ 48 WNW (Aero 48 MPH WNW ) 11/8 54/35/45/0/0/0/591/98/ 35 S (Aero 36 MPH S ] 11/9 52/33/43/-1/0/0/510/85/ 45 WNW 11/10 49/32/41/-3/T/0/033/06/ 25 SW 11/11 45/28/37/-7/0/0/.../../ 40 NW (Aero 43 MPH NW ) 11/12 42/25/34/-9/0/0/546/92/ 29 WNW (Aero 28 MPH WNW ) 11/13 47/24/36/-7/0/0/.../../ 23 SSW 11/14 55/38/47/+5/0.03/0/.../../ 32 SW 11/15 60/44/52/+10/0/0/241/41/ 25 SSW 11/16 68/42/55/+13/0/0/.../../ 35 W 11/17 42/31/37/-4/0/0/.../../ 27 NE 11/18 58/31/45/+4/0/0/.../../ 27 SW (Aero 27 MPH SW ) 11/19 60/43/52/+12/0/0/.../../ 39 SW (Aero 40 MPH SW ] 11/20 max. 57 in morning; rainfall 0.03 in the morning.... PEAK WIND GUST 44 MPH WNW @ 7:12 A.M. RECORDS FOR NOVEMBER 20 HIGH 72 IN 1953 LOW 10 IN 1894 PRECIP 2.78 INS 1988 SNOWFALL: 3.0 INS. 1897 PEAK GUST 73e MPH S IN 1950 RECORDS FOR NOVEMBER 21 HIGH 69 IN 1931 LOW 10 IN 1888 PRECIP 2.60 INS 1950 SNOWFALL: 4.0 INS. 1929 PEAK GUST 69 MPH NW IN 1989 e = estimated Robert Skilling