Return-Path: Received: from mr1.harvard.net (postoffice.harvard.net [140.239.140.175]) by mas2.harvard.net (Mirapoint) with ESMTP id AAA41471; Fri, 20 Apr 2001 11:48:46 -0400 (EDT) Received: from Weather1.bluehill.org (wks101.bluehill.org [140.239.249.101]) by mr1.harvard.net (Mirapoint) with ESMTP id ALL32125; Fri, 20 Apr 2001 11:48:38 -0400 (EDT) Message-Id: <4.3.1.0.20010420113557.00a977e0@postoffice.harvard.net> X-Sender: mdouglas.bluehill.org@postoffice.harvard.net (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 4.3.1 Date: Fri, 20 Apr 2001 11:48:32 -0400 To: (Recipient list suppressed) From: Matthew Douglas Subject: BLUE HILL MA 201100 CLR 30 56/21/SW16G22/3039F/ LO 36/HI 56 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA FRIDAY APRIL 20 2001 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ The next meeting of the Blue Hill Observatory Weather Club to be announced. SKYFEST CELEBRATION MAY 5 2001 AT BLUE HILL OBSERVATORY Make your plans now to attend our big celebration on May 5, 2001... SKYFEST 2001....It's open house at the Observatory that day with lots of activities planned. Please continue to look for updates on the event on this page. DAILY DISCUSSION....11 A.M. 4/20/2001 Rapid warming this morning as the temperature has risen from 43 at 8am to the current 56 at 11am, that's an average of 4 degrees per hour. Dewpoint is also rising, but at a much slower rate from 16 at 8am to 21 at 11am. Few Cirrus observed to the east was the precursor to the warming aloft, looks like more spring-like weather will finally arrive this weekend. DAILY APRIL 2001 DATA....AT BLUE HILL... max/min/mean/dep/precip/snow/sun mins/%/pk gust (Aero = the aerovane wind system ) 1 33/30/32/-9/T/T/000/00/ 25 NNE 2 40/29/35/-6/T/T/015/02/ 24 N (Aero 30 N ) 3 48/27/38/-4/0/0/584/76/ WNW (Aero 34 WNW) 4 51/33/42/0/0/0/479/62/ 20 SSW (Aero 22 SSW ) 5 56/33/45/+3/0/0/760/98/ 26 NNW (Aero 30 NNW) 6 58/36/47/+4/0.25/0/054/07/ 29 S 7 44/33/39/-4/T/T/398/51/ 30 NNE 8 39/32/36/-7/0.51/T/000/00/ 28 SSE 9 68/38/53/+9/0.06/0/597/76/ 24 W 10 57/41/49/+5/0.01/0/679/86/ 18 NE (Aero 20 N ) 11 56/40/48/+4/0/0/317/40/ 23 S (Aero 26 S ) 12 47/40/44/-1/0.40/0/000/00/ 23 ESE 13 63/40/52/+7/0.01/239/30/ 50 WNW (Aero 53 WNW 14 59/40/50/+5/0/0/760/95/ 46 NW ( Aero 51 NW ) 15 59/37/48/+2/0/0/723/90/ 37 NW ( Aero 38 NW ) 16 54/37/46/0/0/0/572/71/ 21 NE 17 53/37/45/-1/T/0/.../../ 24 ENE 18 51/31/41/-6/0.33/0.9/.../../ 38 NNW (Aero 40 NNW ) 19 52/29/41/-6/0/0/.../../ 31 WNW (Aero 30 WNW) 20 morning low 36 degrees THE DAILY MANUAL OBSERVATIONS.... 4/20/2001 FRI 8 a.m. clear with 60 miles view... temp. 43, dewpoint 16, wind west 11 mph... BHO SA 1155 CLR 60 295/43/16/2610/040/ THN K LYR ALNG HRZN ALQDS/ 53014 10043 20036 11 a.m....clear with a few cirrus east through southeast, 30 miles view, hazy....temp: 56, dewpoint 21, wind SW at 16 gusting to 22 mph.... BHO SA 1455 CLR 30 292/56/21/2314G19/039/ FEW CI E-SE HAZY/ 8/001/ 58003 DATA RECORDED FOR THURSDAY APRIL 19 TEMPERATURES.... MAX 52 MIN 29 // ASOS MAX 52 ASOS MIN 29 NORMAL HIGH AND LOW: 57/38 MEAN 41 [- 6] TOTAL DEP FOR MONTH: - 05 degrees April is averaging VERY NEAR NORMAL.... PRECIPITATION....ENDING 8 A.M. 4/20/2001 24 HRS ENDING 8 A.M...NONE MONTH: 1.57 [ - 1.05 IN. ] YEAR: 20.14 [ + 5.20 INS. ] SNOWFALL... 24 HRS ENDING 8 A.M...NONE MONTH: 0.9 IN. SEASON: 91.3 INS. NORMAL SEASONAL TOTAL ABOUT 60 INCHES.... WIND DATA.... PEAK GUST ASOS: 28 MPH WSW AT 3:33 P.M. PEAK GUST: 31 MPH WNW AT 3:33 P.M. (420C chart) PEAK GUST AERO: 30 MPH WNW at 3:33 P.M. ** ** last of several occurrences RECORDS FOR APRIL 20 HIGH 88 IN 1927 LOW 18 IN 1897 PRECIP 1.14 INS 1972 WIND 76 MPH WNW IN 1963 MFD