Sunday, November 30, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, NOVEMBER 30, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
TEMPERATURES SOAR TO THE 50’S AFTER TWO VERY COLD DAYS
INCREASING SOUTH WIND GUSTS TO 30 TO 40 MPH
After two consecutive sub-freezing days with highs
of 32 degrees. the temperature was rising rapidly
today into the 50’s. Both Friday and Saturday were
the two coldest days of the month and season to date
averaging in the 20’s and 11 and 12 degrees colder
than is average for the dates.
Two inches of snow which was on the ground after just
over 3 inches of snow last week had melted down to one
inch both yesterday and early today. It will likely
be completely melted away by later today.
Some small amounts of ice formed on our nearby ponds
during the past couple of days
Today’s Observations:
7 A.M.
Weather: Broken stratocumulus, overcast altocumulus, small break
in overcast SW-W
Temperature: 41F; Dew Point: 38F; Wind: S at 18 kts
Sea-level pressure: 30.19 ins. Hg, falling
Visibility: 25 miles, thin fog
6-hr max temp: 41F
6-hr min temp: 31F
24-hr precip: 0.00 in.
24-hr snowfall: 0.0 in.
Total snow on ground: 1 inch
BHO SA 1155 E25 BKN 70 OVC 25 224/41/38/1818/019/ SML BINOVC SW-W THN F/
8/57/ 4001 56010 10041 20031
10 A.M.
Weather: Scattered lower cirrus, thin broken cirrus, cumulus
fractus forming ESE-SE, altocumulus layr W-NNE, few cirrocumulus
and cirrocumulus lenticularis
Temperature: 50F; Dew Point: 40F; Wind: SSW at 18G25 kts
Sea-level pressure: 30.17 ins. Hg, falling slowly
Visibility: 20 miles, hazy
BHO SA 1455 220 SCT 250 -BKN 20 217/50/40/2018G25/017/
FEW CUFRA DSNT ESE-SE A LYR W-NNE FEW CC/CCSL HAZY/ 8/131 57007
1 P.M.
Weather: Scattered altocumulus chaotic, scattered dense cirrus,
thin broken cirrus
Temperature: 54F; Dew Point: 37F; Wind: SSW at 16G20 kts
Sea-level pressure: 30.08 ins. Hg, falling, then more slowly
Visibility: 30 miles, distant haze
6-hr max temp: 55F
6-hr min temp: 41F
6-hr precip: 0.00 in.
BHO SA 1755 150 SCT 180 SCT 220 SCT 250 -BKN 300 -BKN 30
188/54/37/2116G20/009/ AC CHAOTIC PTCHS DNS CI DSNT HZ/ 56029
10055 20041
SUMMARY FOR SATURDAY, NOVEMBER 29, 2014
TEMPERATURE (DEGREES F)
MAX…..32 NORMAL…..45
MIN…..17 NORMAL…..29
MEAN….25 NORMAL…..37
8DEPARTURE FROM 30-YEAR NORMAL……………………-12
TOTAL DEPARTURE FOR THE MONTH…………………….-46 [-1.8 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..40 DEPARTURE……….+12
TOTAL HEATING UNITS FOR THE MONTH………….715 DEPARTURE……….+45
TOTAL HEATING UNITS FOR THE SEASON………..1137 DEPARTURE……….-96
TOTAL HEATING UNITS LAST SEASON TO DATE……1183 DIFFERENCE………-46
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………17 S AT 10:41 P.M.
ASOS…………………..20 S AT 10:41 P.M.
DAVIS………………….18 SSE AT 10:20 P.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..16 S AT 10:31 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..16 S AT 10:46 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….15 SSE AT 10:23 P.M.
AVERAGE WIND SPEED AND DIRECTION…………. 7.5 WNW
ASOS……………………8.1
DAVIS…………………..6.7 SW (225 degrees)
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE…..-0.16
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….6.21 DEPARTURE…..+1.61
ASOS…………..6.32
TOTAL PRECIPITATION FOR THE YEAR……….47.76 DEPARTURE…..-0.61
ASOS………….48.19
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE……-0.1
TOTAL SNOWFALL FOR THE MONTH…………….8.7 DEPARTURE……+6.6
TOTAL SNOWFALL FOR THE SEASON……………8.7 DEPARTURE……+6.3
PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY GUST
RMY: R.M. Young wind gust recording system
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
11/1 45/36/41/-5/0.79/0.0/000/00 35 NNE RMY N/A
11/2 37/32/35/-11/0.29/1.8/000/00 46 NW RMY 49
11/3 50/30/45/-6/0.00/0.0/584/95 39 WNW RMY 43
11/4 61/44/53/+8/0.00/0.0/208/34 28 SSW RMY 32
11/5 66/50/58/+13/0.00/0.0/006/01 29 SSW RMY N/A
11/6 52/45/49/+4/0.58/0.0/000/00 23 NE RMY 24
11/7 46/34/40/-5/0.00/0.0/079/13 39 NW RMY 42
11/8 47/30/39/-5/0.00/0.0/555/92 24 W RMY 25
11/9 56/38/47/+3/0.00/0.0/204/34 23 SSW RMY N/A
11/10 58/40/49/+5/0.00/0.0/592/99 17 S RMY 20
11/11 61/43/52/+9/0.00/0.0/358/60 22 S RMY 25
11/12 59/40/50/+7/0.00/0.0/095/16 22 W RMY 25
11/13 49/32/41/-2/0.08/T/450/76 21 NW RMY N/A
11/14 41/27/34/-8/0.29/3.5/442/75 23 NW RMY 27
11/15 37/24/31/-11/0.00/0.0/569/97 23 NW RMY 23
11/16 39/26/33/-9/0.00/0.0/012/02 17 S RMY 19
11/17 52/34/43/+2/1.67/0.0/000/00 29 ENE RMY 31
11/18 44/23/34/-7/0.00/0.0/494/85 33 W RMY 39
11/19 35/19/27/-14/0.00/0.0/544/94 31 WSW RMY N/A
11/20 47/26/37/-3/0.00/0.0/542/94 35 WSW RMY 41
11/21 34/22/28/-12/0.00/0.0/569/99 31 WNW RMY 39
11/22 43/20/32/-8/0.00/0.0/…/.. 32 SW RMY 36
11/23 58/40/49/+10/0.00/0.0/…/.. 26 SW RMY N/A
11/24 63/43/53/+14/0.60/0.0/…/.. 44 S RMY 53
11/25 61/44/53/+14/0.00/0.0/…/.. 28 SW RMY 30
11/26 44/31/38/+0/…./…/000/00 41 NE RMY 46
11/27 36/27/32/-6/…./…/…/.. 29 N RMY N/A
11/28 32/21/27/-11/…./…/…/.. 29 WNW RMY 32
11/29 32/17/25/-12/…./…/…/.. 17 S RMY N/A
11/30 morning low temp: 30F since midnight; the normal low is now 29F
DAILY RECORDS FOR NOVEMBER 2014:
11/2 – A NEW RECORD DAILY SNOWFALL: 1.8 INCHES;
surpasses the previous record of 0.2 ins. in 1906, 1951
11/14 – DAILY SNOWFALL RECORD EQUALED: 3.5 INCHES;
ties previous record on this date in 1997
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR NOVEMBER 30
HIGH 67 IN 2006
LOW 7 IN 1887, 1929
PRECIP 2.42 INCHES IN 1944
SNOWFALL 10.2 INS IN 1945
PEAK GUST 90 SSW IN 1963
RECORDS FOR DECEMBER 1
HIGH 70 IN 2001
LOW 3 IN 1887
PRECIP 1.46 INS. IN 1917
SNOW 2.0 INS. IN 1902
PEAK GUST 72 MPH NW IN 1964
TODAY’S REPORT PREPARED BY: Robert Skilling
