Thursday, November 27, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, NOVEMBER 27, 2014 THANKSGIVING DAY
ALL TIMES ARE IN EASTERN STANDARD TIME
STORM BRINGS 1.5 INCHES OF SNOW AND SLEET,
NEARLY 2 INCHES OF LIQUID ON GREAT BLUE HILL
Snow, sleet, freezing rain and rain all fell yesterday
leaving a liquid storm total of 1.81 inches, 1.5 inches
of snow and sleet, and 0.1 inches of glaze.
Winds gusted last evening to 41 MPH to the NE as the
center of low pressure passed by the region. Temperatures
yesterday fluctuated above and below the freezing mark
before all snow took over before midnight.
At the 7:00 AM EST observation a morning low of 30F was
recorded.
Today’s Observations:
7 A.M.
Weather: Broken altocumulus, few stratus fractus
in all directions
Temperature: 30F; Dew Point: 30F; Wind: NW at 11 kts
Sea-level pressure: 29.85 ins. Hg, rising, then more slowly
Visibility: 50 miles
6-hr max temp: 31F
6-hr min temp: 30F
24-hr precip: 1.81 in.
24-hr snowfall: 1.5 in.
24-hr glaze: 0.1 in.
BHO SA 1155 E80 BKN 50 108/30/30/3211/985/ FEW STFRA ALQDS
GLZ 0.1 PST 24HRS NEW SNW PST 18 HRS 1.1 INS NEW SNW PST 24HRS 1.5 INS/
8/730 4/002 51021 ASOS 60005 70186 MANUAL 70181 10031 20030
10 A.M.
Weather: Broken stratocumulus, overcast altostratus,
few cumulus fractus in all directions
Temperature: 32F; Dew Point: 31F; Wind: WNW at 8 kts
Sea-level pressure: 29.97 ins. Hg, rising, then more slowly
Visibility: 70 miles, except 40 miles NE-SE
3-hr precip: 0.00 in
BHO SA 1455 E27 BKN 50 OVC 70 149/32/31/2908/997/
FEW CUFRA ALQDS VSBY NE-SE 40 MI/ 8/51/ 51041
SUMMARY FOR WEDNESDAY, NOVEMBER 26, 2014
TEMPERATURE (DEGREES F)
MAX…..44 NORMAL…..46
MIN…..31 NORMAL…..30
MEAN….38 NORMAL…..38
8DEPARTURE FROM 30-YEAR NORMAL…………………….+0
TOTAL DEPARTURE FOR THE MONTH…………………….-17 [-0.9 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..27 DEPARTURE………..+0
TOTAL HEATING UNITS FOR THE MONTH………….604 DEPARTURE……….+17
TOTAL HEATING UNITS FOR THE SEASON………..1026 DEPARTURE………-125
TOTAL HEATING UNITS LAST SEASON TO DATE……1090 DIFFERENCE………-64
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………41 NE AT 7:50 P.M.
ASOS…………………..46 NE AT 7:56 P.M.
DAVIS………………….41 NE AT 6:37 A.M. RMY 46
FASTEST MILE FOR YESTERDAY………………..29 NE AT 6:38 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..29 NE AT 6:39 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….27 NNE AT 5:49 A.M.
AVERAGE WIND SPEED AND DIRECTION…………13.9 NNE
ASOS…………………13.7
DAVIS………………..12.1 N (002 degrees)
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….1.81 DEPARTURE…..+1.65
ASOS…………..1.86
TOTAL PRECIPITATION FOR THE MONTH……….6.11 DEPARTURE…..+2.00
ASOS…………..6.23
TOTAL PRECIPITATION FOR THE YEAR……….47.66 DEPARTURE…..-0.22
ASOS………….48.10
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….1.5 DEPARTURE……+1.3
TOTAL SNOWFALL FOR THE MONTH…………….6.8 DEPARTURE……+5.1
TOTAL SNOWFALL FOR THE SEASON……………6.8 DEPARTURE……+4.8
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/…/.. 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/…./…/…/.. 41 NE RMY 46
11/27 morning low temp: 30F since midnight; normal low now 30F
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 27
HIGH 68 IN 1896
LOW 5 IN 1932
PRECIP 1.92 INS IN 1898
SNOWFALL 16.0 INS IN 1898
PEAK GUST 68 NW IN 1997
RECORDS FOR NOVEMBER 28
HIGH 70 IN 1990
LOW 10 IN 1901,1930,1936
PRECIP 1.84 INCHES IN 1889
SNOWFALL 3.0 INS IN 1917
PEAK GUST 90 SSW IN 1958
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
