Wednesday, October 22, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, OCTOBER 22, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
A NOR’EASTER BEGAN THIS MORNING WITH INCREASING NNE-NE WINDS
GUSTS OF 30 TO 40 MPH BEGAN BETWEEN 7 AND 8 A.M. EDT
PRECIPITATION HAS BEEN MOSTLY IN THE FORM OF LIGHT DRIZZLE
WITH PERIODS OF INTERMITTENT LIGHT RAIN
An October nor’easter began this morning with gentle north winds
of very early this morning veering to ENE and then NE-NNE and increasing
from only about 10 kts overnight to suddenly gusts of 30 to
40 MPH between about 7:30 and 8:30 A.M. EDT.
Temperatures reached a maximum of 54F at 8 A.M. EDT before
falling back to near 50F by late morning as the wind direction
backed to NNE and finally down to 49F during the early afternoon.
Precipitation has been mostly light drizzle but with periods
of light rain becoming more frequent by noon.
Total precipitation through 2 p.m. EDT is 0.30 inch
Today’s Observations:
7 A.M.
Weather: Obscurement with dense fog, light drizzle and heavy fog
Temperature: 54F; Dew Point: 54F; Wind: ENE at 17G29 kts,
Wind: Peak wind 29 kts NE @ 6:52 A,M,
Sea-level pressure: 29.98 ins. Hg, rising then falling slightly
Visibility: 1/8 mile, variable 1/16 to 1/4 mile, dense fog
6-hr max temp: 54F
6-hr min temp: 48F
6-hr precip: 0.07 (ASOS)
24-hr precip: 0.23 inch
BHO SA 1155 W2X 1/8VL-F 151/54/54/0617G29/998/ VSBY 1/16V1/4
PK WND 0429/52/ 8//// 50001 ASOS 60007 MANUAL 6022/ ASOS 70022
MANUAL 70023 10054 20048
10 A.M.
Weather: Overcast stratus fractus, higher nimbostratus overcast
Temperature: 50F; Dew Point: 50F; Wind: NNE at 15G32 kts,
Wind: Peak wind from NNE at 32 kts at 9:48 A.M. EST
Sea-level pressure: 29.98 ins. Hg, rising, then falling and lower
Visibility: 3/4 variable 1/2 variable 1 mile, occasionally lower
BHO SA 1455 E3 OVC 3/4VL-F 153/50/50/0315G32/998/ CIG RGD VSBY 1/2V1
OCNL LWR STFRA DRFTG OVR SMT PK WND 0332/48/ 8/72/ 50002 ASOS 60009
MANUAL 6009/
1 P.M.
Weather: Obscurement with fog, light drizzle and heavy fog
Temperature: 49F; Dew Point: 49F; Wind: NNE at 18G28 kts,
Wind: Peak wind from NNE at 30 kts at 12:02 P.M. EST
Sea-level pressure: 29.91 ins. Hg, falling, then more quickly
Visibility: 1/16 mile light drizzle and heavy fog
6-hr max temp: 54F
6-hr min. temp: 49F
6-hr precip: 0.22 in.
BHO SA 1755 W2X 1/16L-F 129/49/49/0318G28/991/ PK WND 0230/02/
8//// 58024 MANUAL 6022/ ASOS 60023 10054 20049
WEATHER SUMMARY FOR TUESDAY, OCTOBER 21, 2014
TEMPERATURE (DEGREES F)
MAX…..61 NORMAL…..59
MIN…..49 NORMAL…..41
MEAN….55 NORMAL…..50
DEPARTURE FROM 30-YEAR NORMAL…………………….+5
TOTAL DEPARTURE FOR THE MONTH……………………+63 [+2.8 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..10 DEPARTURE………..-5
TOTAL HEATING UNITS FOR THE MONTH………….190 DEPARTURE……….-61
TOTAL HEATING UNITS FOR THE SEASON…………291 DEPARTURE………-102
TOTAL HEATING UNITS LAST SEASON TO DATE…….291 DIFFERENCE………..0
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………17 NNE AT 6:33 P.M.
ASOS…………………..20 N AT 11:32 P.M.
DAVIS………………….18 SE AT 8-9 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..14 N AT 11:34 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..15 N AT 11:33 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….N/A AT 11-12 A.M.
AVERAGE WIND SPEED AND DIRECTION………… 8.6 SE
ASOS………………….8.7
DAVIS…………………7.9 ESE (110 degrees)
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.23 DEPARTURE……..+0.08
ASOS…………..0.22
TOTAL PRECIPITATION FOR THE MONTH……….3.74 DEPARTURE……..+0.61
ASOS…………..3.70
TOTAL PRECIPITATION FOR THE YEAR……….35.33 DEPARTURE……..-6.88
ASOS………….35.50
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/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
10/1 56/55/56/-1/1.63/000/00 33 NE RMY 36
10/2 55/47/51/-6/0.29/000/00 30 NE RMY N/A
10/3 54/46/50/-6/0.05/000/00 20 NE RMY 20
10/4 63/52/58/+2/0.30/000/00 30 SE RMY 32
10/5 60/45/53/-3/0.00/658/95 26 W RMY 28
10/6 66/42/54/-1/0.00/669/97 25 SSE RMY N/A
10/7 72/54/63/+8/0.01/281/38 43 S RMY 49
10/8 72/53/63/+9/0.01/562/82 40 S RMY N/A
10/9 64/48/56/+2/0.00/648/95 35 W RMY 39
10/10 63/43/53/-1/0.00/489/72 23 W RMY N/A
10/11 50/43/47/-6/0.35/000/00 15 N RMY N/A
10/12 60/40/50/-3/0.00/681/100 20 NW RMY N/A
10/13 61/45/53/+0/0.00/054/08 23 S RMY 25
10/14 75/58/67/+15/0.00/448/67 29 S RMY 31
10/15 79/62/71/+18/0.02/459/69 32 SSW RMY 36
10/16 70/60/65/+14/0.60/000/00 37 S RMY 41
10/17 71/57/64/+13/0.00/218/33 28 SW RMY 30
10/18 71/52/62/+11/0.24/217/33 28 WNW RMY 30 TSTM
10/19 55/39/47/-3/0.00/…/.. 28 NW RMY 29
10/20 56/33/45/-5/0.00/…/.. 23 SW RMY 25
10/21 61/49/55/+5/…./…/.. 17 NNE RMY N/A
10/22 morning low temp: 48F since midnight; normal low now 41F
DAILY RECORDS FOR OCTOBER 2014:
10/1 – A NEW RECORD DAILY PRECIPITATION OF 1.63 INCHES;
surpasses the previous record of 1.44 ins. in 1984
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR OCTOBER 22
HIGH 85F IN 1979
LOW 22F IN 1940
PRECIP 1.37 INCHES IN 1898
SNOWFALL TRACE IN 1969, 2010
PEAK GUST 67 MPH ESE IN 1988
RECORDS FOR OCTOBER 23
HIGH 82F IN 1947
LOW 24F IN 1969
PRECIP 2.18 INCHES IN 1956
SNOWFALL 3.0 INCHES IN 1891
PEAK GUST 78e MPH NW IN 1941
TODAY’S REPORT PREPARED BY: Robert Skilling
