Sunday, November 9, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, NOVEMBER 9, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

SUNSHINE THROUGH MIDDLE AND HIGH CLOUDS TODAY
TEMPERATURES EDGING ABOVE NORMAL AFTER TWO COLD DAYS

Sunshine through high clouds with southwest winds is
allowing for milder temperatures today.  The morning
low of 38F was 3 degrees above normal for the date and
well above the 30-degree freeze of yesterday.
High temperatures are reaching the low 50’s at noon
today, and the average for the day is moving through
the mid-40’s into an above normal range.

Today’s Observations:

7 A.M.
Weather: Overcast altocumulus opaqus, duplicatus, small break in the
overcast W-NW, bright spots and higher clouds visible E-S
Temperature: 41F; Dew Point: 35F; Wind: SSW at 12 kts
Sea-level pressure: 29.93 ins. Hg, increasing, then more quickly
Visibility: 30 miles, distant haze
6-hr max temp: 41F
6-hr min temp: 39F
24-hr precip: 0.00 inches
BHO SA 1155 E90 OVC 30 135/41/35/2012/993/ FEW ACSL W SML
BINOVC W-NW BRGHT SPTS/HIER CLD VSB E-S DSNT HAZE/
8/071 53016 10041 20039

10 A.M.
Weather: Broken altocumulus translucidus, thin broken cirrus filosus
Temperature: 48F; Dew Point: 36F; Wind: SW at 8 kts
Sea-level pressure: 29.95 ins. Hg, rising, then falling
Visibility: 40 miles distant haze
BHO SA 1455 E75 BKN 250 -BKN 40 142/48/36/2208/995/ DSNT HZ/
8/031 50007

1 P.M.
Weather: Scattered dense cirrus, overcast cirrostratus, few cumulus
fractus and cumulus, solar halo, thin spots in overcast
Temperature: 55F; Dew Point: 34F; Wind: SSW at 7 kts
Sea-level pressure: 29.89 ins. Hg, falling then more quickly
Visibility: 50 miles distant haze
6-hr max temp: 56F
6-hr min temp: 41F
BHO SA 1755 220 SCT E250 OVC 50 121/55/34/2107/989/ FEW CUFRA/CU
FRMG AC MSTLY DSNT W-NE THN SPTS IOVC HALO DSNT HZ/ 8/137
58021 10056 20041

WEATHER SUMMARY FOR SATURDAY, NOVEMBER 8, 2014

TEMPERATURE (DEGREES F)
MAX…..47   NORMAL…..53
MIN…..30   NORMAL…..36
MEAN….39   NORMAL…..44

DEPARTURE FROM 30-YEAR NORMAL…………………….-5
TOTAL DEPARTURE FOR THE MONTH…………………….-7 [-1.1 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..26  DEPARTURE………..+5
TOTAL HEATING UNITS FOR THE MONTH………….165  DEPARTURE………..+8
TOTAL HEATING UNITS FOR THE SEASON…………587  DEPARTURE………-134
TOTAL HEATING UNITS LAST SEASON TO DATE…….622  DIFFERENCE………-35

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………24 W   AT  9:08 A.M.
ASOS…………………..26 W   AT  9:08 A.M.
DAVIS………………….25 WNW AT  4:50 A.M. RMY 25
FASTEST MILE FOR YESTERDAY………………..19 NW  AT  9:07 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..20 NW  AT  9:09 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….18 W   AT  4:51 A.M.
AVERAGE WIND SPEED AND DIRECTION…………12.0 SSW
ASOS…………………12.4
DAVIS………………..10.6 WSW (250 degrees)
* Last of several occurrences

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……..-0.15
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….1.66  DEPARTURE……..+0.42
ASOS…………..1.69
TOTAL PRECIPITATION FOR THE YEAR……….43.21  DEPARTURE……..-1.80
ASOS………….43.56

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/…./0.0/000/00              35 NNE RMY N/A
11/2 37/32/35/-11/…./1.8/000/00             46 NW  RMY 49
11/3 50/30/45/-6/0.00/0.0/…/..              39 WNW RMY 43
11/4 61/44/53/+8/0.00/0.0/…/..              28 SSW RMY 32
11/5 66/50/58/+13/0.00/0.0/…/..             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/…/..              39 NW  RMY 42
11/8 47/30/39/-5/0.00/0.0/…/..              24 W   RMY 25

11/9 morning low temp: 38F since midnight; normal low now 35F

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

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR NOVEMBER 9
HIGH 72 IN 1975
LOW 17 IN 1971
PRECIP 1.37 INCHES IN 1969
SNOWFALL 0.2 IN 1921,1923
PEAK GUST 73e S IN 1943

RECORDS FOR NOVEMBER 10
HIGH 75 IN 1931
LOW 20 IN 2004
PRECIP 2.11 INCHES IN 1888
SNOWFALL 2.2 IN 1987
PEAK GUST 83e S IN 1942

TODAY’S REPORT PREPARED BY: Robert Skilling