Sunday, November 16, 2014

BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, NOVEMBER 16, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

CHILL CONTINUES THROUGH SUNDAY, OVERCAST CONDITIONS
FROM MID MORNING ONWARD

A red, partly cloudy sky was observed at sunrise this morning,
as cirrostratus began filtering in from the W. Winds shifted
from W to S by mid day, allowing an overnight low of 26F to
climb to 39F by the 1:00 PM EST observation.

Today’s Observations:

7 A.M.
Weather: Broken altocumulus, broken cirrostratus,
sun dog visible
Temperature: 29F; Dew Point: 19F; Wind: WSW at 7 kts
Sea-level pressure: 30.39 ins. Hg, rising, then more slowly
Visibility: 70 miles, visibility W-N 50 miles
6-hr max temp: 29F
6-hr min temp: 26F
24-hr precip: 0.00 inches
BHO SA 1155 E160 BKN 220 BKN 70 292/29/19/2407/039/
VSBY W-N 50 MI SUN DOG/ 8/075 51007 10029 20026

10 A.M.
Weather: Broken altocumulus, overcast cirrostratus,
few cumulus distant offshore NE, thin spots SSE
Temperature: 33F; Dew Point: 23F; Wind: estimated SSW at 4 kts
Sea-level pressure: 30.38 ins. Hg, falling, then more slowly
Visibility: 50 miles, except 70 miles W-N
BHO SA 1455 E140 BKN 220 OVC 50 289/33/23/E2004/038/
VSBY W-N 60 MI FEW CU DSNT OFFSHRE NE THN SPTS SSE WND LGT/
8/175 56003

1 P.M.
Weather: Scattered altocumulus lenticularis,
broken altostratus, overcast cirrostratus
Temperature: 39F; Dew Point: 23F; Wind: SSW at 8 kts
Sea-level pressure: 30.29 ins. Hg, falling
Visibility: 60 miles, except SE-SW, 40 miles
6-hr max temp: 39F
6-hr min temp: 29F
BHO SA 1755 40 SCT E120 BKN 220 BKN 60 256/39/23/2008/029/
VSBY SE-SW 40 MI ACSL ALQDS/ 8/047 58033 10039 20029

SUMMARY FOR SATURDAY, NOVEMBER 15, 2014

TEMPERATURE (DEGREES F)
MAX…..37   NORMAL…..50
MIN…..24   NORMAL…..34
MEAN….31   NORMAL…..42

DEPARTURE FROM 30-YEAR NORMAL……………………-11
TOTAL DEPARTURE FOR THE MONTH…………………….-4 [-0.5 DEGREE/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..34  DEPARTURE……….+11
TOTAL HEATING UNITS FOR THE MONTH………….316  DEPARTURE………..+4
TOTAL HEATING UNITS FOR THE SEASON…………738  DEPARTURE………-137
TOTAL HEATING UNITS LAST SEASON TO DATE…….799  DIFFERENCE………-61

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………23 NW  AT  9:26 A.M.
ASOS…………………..25 NW  AT  9:26 A.M.
DAVIS………………….22 NW  AT  9:26 A.M. RMY 23
FASTEST MILE FOR YESTERDAY………………..17 NW  AT  9:26 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..20 NW  AT  9:27 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….17 NW  AT  9:27 A.M.
AVERAGE WIND SPEED AND DIRECTION…………10.4 NW
ASOS…………………10.0
DAVIS…………………8.8 WNW (293 degrees)
* Last of several occurrences

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……….2.03  DEPARTURE…..-0.33
ASOS…………..2.03
TOTAL PRECIPITATION FOR THE YEAR……….43.58  DEPARTURE…..-2.55
ASOS………….43.90

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE……-0.1
TOTAL SNOWFALL FOR THE MONTH…………….5.3  DEPARTURE……+4.7
TOTAL SNOWFALL FOR THE SEASON……………5.3  DEPARTURE……+4.4

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/…/..              23 SSW RMY N/A
11/10 58/40/49/+5/0.00/0.0/…/..              17 S   RMY 20
11/11 61/43/52/+9/0.00/0.0/…/..              22 S   RMY 25
11/12 59/40/50/+7/0.00/0.0/…/..              22 W   RMY 25
11/13 49/32/41/-2/0.08/T/…/..                21 NW  RMY N/A
11/14 41/27/34/-8/0.00/0.0/…/..              23 NW  RMY 27
11/15 37/24/31/-11/0.00/0.0/…/..             23 NW  RMY 23

11/16 morning low temp: 26F since midnight; normal low now 34F

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 16
HIGH 73 IN 1927
LOW 8 IN 1933
PRECIP 2.25 INCHES IN 1981
SNOWFALL 2.0 IN 1913
PEAK GUST 78 S IN 1989

RECORDS FOR NOVEMBER 17
HIGH 74 IN 1928
LOW 10 IN 1924
PRECIP 1.92 INCHES IN 1920
SNOWFALL 1.0 INS IN 1980
PEAK GUST 61 SSE IN 2006

TODAY’S REPORT PREPARED BY: Brian Fitzgerald