Tuesday, November 11, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, NOVEMBER 11, 2014 VETERAN’S DAY
ALL TIMES ARE IN EASTERN STANDARD TIME
INVERSION TO START THE DAY ONCE AGAIN, TEMPS
RISING NEAR 60F BY MID MORNING
At the 7:00 AM EST observation another inversion was present
just below the summit at approximately 600 feet. While the
summit of Great Blue Hill recorded 46F at 7:00 AM, Norwood
Memorial Airport, just a few miles away, was reporting 30F.
By the 10:00 AM EST observation, air lower at the surface
began to mix out and was warmer than the summit once again.
Stratocumulus lenticularis began invading from the W soon after
with mostly clear conditions above.
Today’s Observations:
7 A.M.
Weather: Clear, few cirrus distant NW-SW, inversion present
in all direction estimated 600 feet over city, patches of
fog below inversion in all directions
Temperature: 46F; Dew Point: 45F; Wind: SSE at 12 kts
Sea-level pressure: 30.17 ins. Hg, decreasing, then increasing and lower
Visibility: 15 miles, obscured by patches of fog
6-hr max temp: 46F
6-hr min temp: 43F
24-hr precip: 0.00 inches
BHO SA 1155 CLR 15 217/46/45/1612/017/ INVSN PRSNT ALQDS ESTMTD
TOP 6HND OVR CTY GF BLO INVSN ALQDS FEW CI DSNT NW-SW/ 8//01
55002 10046 20043
10 A.M.
Weather: Clear, few cumulus fractus SW-NW, few cirrostratus distant SE-SW
Temperature: 55F; Dew Point: 48F; Wind: S at 12G18 kts
Sea-level pressure: 30.15 ins. Hg, increasing, then decreasing and lower
Visibility: 40 miles distant, except 25 miles SW-N, haze
3-hr precip: 0.00
BHO SA 1455 CLR 40 211/55/48/1712G18/015/ VSBY SW-N 25 MI FEW CUFRA
SW-NW FEW CS DSNT SE-SW HZ BLO STA ALQDS/ 8/705 58006
1 P.M.
Weather: Broken stratocumulus, broken cirrus
Temperature: 60F; Dew Point: 50F; Wind: S at 11 kts
Sea-level pressure: 30.07 ins. Hg, falling then more slowly
Visibility: 35 miles, hazy
6-hr min temp: 61F
6-hr max temp: 46F
6-hr precip: 0.00 inches
BHO SA 1755 E21 BKN 250 BKN 35 183/60/50/1711/007/ HAZY/ 8/401 58028
10061 20046
WEATHER SUMMARY FOR MONDAY, NOVEMBER 10, 2014
TEMPERATURE (DEGREES F)
MAX…..58 NORMAL…..52
MIN…..40 NORMAL…..35
MEAN….49 NORMAL…..44
DEPARTURE FROM 30-YEAR NORMAL…………………….+5
TOTAL DEPARTURE FOR THE MONTH…………………….+1 [-0.1 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..16 DEPARTURE………..-5
TOTAL HEATING UNITS FOR THE MONTH………….199 DEPARTURE………..-1
TOTAL HEATING UNITS FOR THE SEASON…………621 DEPARTURE………-142
TOTAL HEATING UNITS LAST SEASON TO DATE…….669 DIFFERENCE………-48
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………17 S AT 6:58 P.M.
ASOS…………………..20 S AT 6:59 P.M.
DAVIS………………….19 S AT 7:00 P.M. RMY 20
FASTEST MILE FOR YESTERDAY………………..16 S AT 11:58 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..16 S AT 7:08 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….15 S AT 11:57 P.M.
AVERAGE WIND SPEED AND DIRECTION…………7.9 S
ASOS…………………8.6
DAVIS………………..7.1 SSW (198 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……….1.66 DEPARTURE……..+0.10
ASOS…………..1.69
TOTAL PRECIPITATION FOR THE YEAR……….43.21 DEPARTURE……..-2.12
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 56/38/47/+3/0.00/0.0/…/.. 23 SSW RMY N/A *
10/10 58/40/49/+5/0.00/0.0/…/.. 17 S RMY 20
11/11 morning low temp: 43F since midnight; normal low now 35F
*CORRECTION MADE TO 11/9 MAX.
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 11
HIGH 68 IN 1984
LOW 17 IN 1956
PRECIP 1.14 INCHES IN 1991
SNOWFALL 2.5 IN 1986
PEAK GUST 64 NW IN 1962
RECORDS FOR NOVEMBER 12
HIGH 74 IN 1909
LOW 18 IN 1926
PRECIP 3.25 INCHES IN 1947
SNOWFALL 8.1 INCHES IN 1987
PEAK GUST 79e MPH NW IN 1947
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
