Tuesday, November 25, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, NOVEMBER 25, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
EXTREMELY WARM OVERNIGHT LOW OF 55F, DAYTIME
TEMPS IN THE 60S ONCE AGAIN…DEW POINT PLUNGES
FROM THE 50S TO 20S TODAY WITH THE PASSAGE OF A
COLD FRONT AHEAD OF STORM EXPECTED TOMORROW…
Rain came to an end after 2:00 PM EST yesterday,
totaling 0.60 inches. A daytime maximum of 63F was
reached as well, 16 degrees above the daily
norm maximum of 47F.
Fog lifted and cleared by mid afternoon, with gusty
winds reaching a daytime maximum of 44 MPH from the S
at 8:10 AM EST.
An overnight low of 55F was reached just after 6:00 AM EST
this morning with temperatures reaching the 60s by
mid-morning. Following the passage of a cold front at
mid-day, the temperature began to fall from the highs of
the day and the much drier air moved in with the dew point
dropping from 55F at 7:00 AM EST to 27F at 1 PM EST. This
is beginning to set the stage for the coastal storm expected
to impact the area on Wednesday.
Today’s Observations:
7 A.M.
Weather: Scattered altocumulus, overcast cirrostratus,
few stratus fractus distant SE-SW
Temperature: 55F; Dew Point: 55F; Wind: SSW at 24 kts
Sea-level pressure: 29.83 ins. Hg, rising, then more slowly
Visibility: 20 miles, except 15 miles SE-SW, light fog
6-hr max temp: 56F
6-hr min temp: 55F
24-hr precip: 0.47 in.
BHO SA 1155 170 SCT E280 OVC 20 101/55/55/2114/983/
VSBY SE-SW 15 MI FEW STFRA DSNT SE-SW LGT FG ALQDS/
8/777 51025 ASOS 70056 MANUAL 70047 10056 20055
10 A.M.
Weather: Broken cirrostratus, thin overcast of cirrus,
few altocumulus distant SW
Temperature: 61F; Dew Point: 45F; Wind: WSW at 14G20 kts
Sea-level pressure: 29.88 ins. Hg, rising, then more quickly
Visibility: 70 miles, except 50 miles SW-WSW
BHO SA 1455 E220 BKN 300 -OVC 70 119/61/45/2414G20/988/
VSBY SW-WSW 50 MI FEW AC DSNT SW/ 8/047 53018
1 P.M.
Weather: Overcast altostratus, few altocumulus distant SW-WNW
Temperature: 58F; Dew Point: 27F; Wind: WSW at 11G18 kts
Sea-level pressure: 29.87 ins. Hg, falling, then more quickly
Visibility: 80 miles
6-hr max temp: 61F
6-hr min temp: 55F
6-hr precip: 0.00 in.
BHO SA 1755 E200 OVC 80 116/58/27/2411G18/987/
FEW AC DSNT SW-WNW/ 8/041 58003 10061 20055
SUMMARY FOR MONDAY, NOVEMBER 24, 2014
TEMPERATURE (DEGREES F)
MAX…..63 NORMAL…..47
MIN…..43 NORMAL…..31
MEAN….53 NORMAL…..39
8DEPARTURE FROM 30-YEAR NORMAL……………………+14
TOTAL DEPARTURE FOR THE MONTH…………………….-31 [-1.5 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..12 DEPARTURE……….-14
TOTAL HEATING UNITS FOR THE MONTH………….565 DEPARTURE……….+31
TOTAL HEATING UNITS FOR THE SEASON…………987 DEPARTURE………-110
TOTAL HEATING UNITS LAST SEASON TO DATE……1019 DIFFERENCE………-32
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………44 S AT 8:10 A.M.
ASOS…………………..55 S AT 8:11 A.M.
DAVIS………………….52 S AT 8:10 A.M. RMY 53
FASTEST MILE FOR YESTERDAY………………..37 SSE AT 8:11 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..37 SSE AT 8:12 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….36 SSE AT 8:11 A.M.
AVERAGE WIND SPEED AND DIRECTION…………23.8 S
ASOS…………………21.6
DAVIS………………..21.5 S (184 degrees)
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.47 DEPARTURE…..+0.31
ASOS…………..0.56
TOTAL PRECIPITATION FOR THE MONTH……….4.30 DEPARTURE…..+0.20
ASOS…………..4.37
TOTAL PRECIPITATION FOR THE YEAR……….45.85 DEPARTURE…..-1.71
ASOS………….46.24
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE……-0.2
TOTAL SNOWFALL FOR THE MONTH…………….5.3 DEPARTURE……+3.9
TOTAL SNOWFALL FOR THE SEASON……………5.3 DEPARTURE……+3.6
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 morning low temp: 55F since midnight; normal low now 31F
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 25
HIGH 71 IN 1979
LOW 13 IN 1938
PRECIP 3.10 INCHES IN 1983
SNOWFALL 8.0 INS IN 1888
PEAK GUST 94e E IN 1950
RECORDS FOR NOVEMBER 26
HIGH 66 IN 1979
LOW 6 IN 1938
PRECIP 2.22 INS IN 1888
SNOWFALL 3.0 INS IN 1974
PEAK GUST 78 SSE IN 1964
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
