Saturday, January 25, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, JANUARY 25, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
MOSTLY CLOUDY AND WARMER ON STRONG SOUTHERLY WINDS TODAY…
TEMPS RISE TO MID-30S AS A COLD FRONT APPROACHES FROM THE WEST…
PEAK WINDS NEAR 60 MPH EARLIER THIS MORNING…
There was some filtered sunshine at mid-morning through a veil
of thin cirrus fibratus and cirrostratus, though lower clouds
have moved in as of mid-day. Winds have increased from the
south since earlier this morning with a peak gust of 59 mph
from the SSW occuring at 11:16 AM EST. Frequent gusts over 40 mph
have been measured since 10:30 AM this morning. The highest
hourly wind speeds have been 33 mph in each hour from 11 AM
to 2 PM EST today.
Seven inches of snow remain on the ground early this morning.
Peak wind gusts so far today:
NWS 420C: 51 kts, 59 mph SSW
Aerovane: 57 kts, 66 mph SSW
ASOS: 54 kts, 62 mph SSW
Maximum: 71 mph
Merlin: 62 mph SSW
Davis: 61 mph SSW
Today’s Observations:
7 A.M.
Weather: Overcast stratocumulus
Temperature: 18F; Dew Point: 13F; Wind: S at 13 kts
Sea-level pressure: 29.84 ins. Hg, falling
Visibility: 20 miles (estimated)
6-hr. min temp: 12F
Total snow depth on ground: 7 inches
BHO SA 1155 E35 OVC 20 106/18/13/1913/984/ 8/5// 4/007 56028
10018 20012
10 A.M.
Weather: Scattered stratocumulus, thin overcast cirrus and
cirrostratus, blowing snow, hazy
Temperature: 32F Dew Point: 23F; Wind: SSW at 21G30 kts,
Wind: Peak gust 30 kts SSW at 9:53 AM
Sea-level pressure: 29.72 ins. Hg, falling
Visibility: 30 miles
BHO SA 1455 30 SCT 220 –OVC 30 064/32/23/2021G30/972/
FEW CUFRA ALQDS BLWNG SNW HAZY PK WND 2030/53/ 8/508 58042
1 P.M.
Weather: Broken stratocumulus, overcast cirrostratus, sun
occasionally dimly visible, blowing snow, hazy
Temperature: 35F; Dew Point: 23F; Wind: SSW at 30G44 kts,
Wind: Peak gust 44 kts S at 12:48 PM
Sea-level pressure: 29.55 ins. Hg, falling
Visibility: 25 miles
6-hr max. temp: 35F
6-hr min. temp: 18F
BHO SA 1755 E35 BKN 220 OVC 25 005/35/23/2030G44/955/
SUN OCNLY DMLY VSBL BLWNG SNW HAZY PK WND 1944/48/ 8/507
56059 10035 20018
WEATHER SUMMARY FOR FRIDAY, JANUARY 24, 2014
TEMPERATURE (DEGREES F)
MAX…..16 NORMAL…..34
MIN……2 NORMAL…..17
MEAN…..9 NORMAL…..25
DEPARTURE FROM 30-YEAR NORMAL…………………..-16
TOTAL DEPARTURE FOR THE MONTH…………………..+11 [+0.3 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..56 DEPARTURE………+16
TOTAL HEATING UNITS FOR THE MONTH………….938 DEPARTURE………-11
TOTAL HEATING UNITS FOR THE SEASON………..3215 DEPARTURE………-38
TOTAL HEATING UNITS LAST SEASON TO DATE……2861 DIFFERENCE…….+354
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………28 WNW AT 11:40 A.M.
AERO…………………..25 WNW AT 11:40 A.M. *
ASOS…………………..28 NW AT 11:40 A.M.
DAVIS………………….27 WNW AT 9:36 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..21 SSW AT 11:52 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..21 S AT 11:29 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….20 S AT 11:29 P.M.
AVERAGE WIND SPEED AND DIRECTION…………12.6 W
ASOS…………………12.8
DAVIS………………..11.2 W [283 deg.]
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE………….-0.14
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….4.58 DEPARTURE………….+1.18
ASOS…………..4.87
TOTAL PRECIPITATION FOR THE YEAR………..4.58 DEPARTURE………….+1.18
ASOS…………..4.87
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……..0.0 DEPARTURE…………..-0.5
TOTAL SNOWFALL FOR THE MONTH………….32.7 DEPARTURE………….+19.4
TOTAL SNOWFALL FOR THE SEASON…………48.4 DEPARTURE………….+19.1
PRELIMINARY CLIMATE SUMMARY FOR JANUARY 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane wind recording system gust
RMY: RMY = R.M. Young wind gust recording system added 8/9/2011
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
1/1 26/16/21/-6/0.00/0.0/505/92 25 W AERO 25 MPH W RMY 27
1/2 24/00/12/-15/0.97/10.9/000/00 39 NNE AERO 39 MPH NNE RMY 39
1/3 12/-3/05/-21/0.38/4.7/270/49 36 N AERO 39 MPH N RMY 34
1/4 25/-4/11/-15/0.00/0.0/545/99 35 SSW AERO 37 MPH SSW RMY 38
1/5 42/23/33/+07/0.08/0.0/259 47 30 SE AERO 32 MPH SE RMY 42
1/6 57/25/41/+15/0.29/0.0/006/01 41 S AERO 46 MPH S RMY 48
1/7 25/06/16/-10/0.00/0.0/555/100 44 WNW AERO 46 MPH WNW RMY 42
1/8 21/3/12/-14/0.00/0.0/550/99 28 WSW AERO 29 MPH WSW RMY N/A
1/9 28/13/21/-5/0.00/0.0/540/97 23 WNW AERO 24 MPH WNW RMY 27
1/10 37/17/27/+2/0.05/0.3/000/00 17 SSW AERO 18 MPH SW RMY N/A
1/11 57/37/47/+22/0.67/0.0/000/00 50 S AERO 59 MPH S RMY 59
1/12 51/32/42/+17/0.04/0.0/292/52 41 W AERO 44 MPH W RMY 42
1/13 50/30/40/+15/0.00/0.0/473/84 33 S AERO 36 MPH S RMY 37
1/14 49/41/45/+20/0.83/0.0/000/00 35 S AERO 37 MPH S RMY 32
1/15 46/33/40/+15/0.00/0.0/374/66 24 W AERO 23 MPH W RMY N/A
1/16 40/34/37/+12/0.00/0.0/000/00 14 ENE AERO 13 MPH ENE RMY 14
1/17 44/33/39/+14/0.00/0.0/541/95 21 SW AERO 21 MPH SW RMY 22
1/18 37/30/34/+9/0.82/4.2/000/00 18 E AERO 17 MPH E RMY 18
1/19 32/27/30/+5/0.03/0.5/…/.. 28 SW AERO 35 MPH SW RMY 34
1/20 39/23/31/+6/0.00/0.0/…/.. 38 W AERO 41 MPH W RMY 42
1/21 23/8/16/-9/…./…/…/.. 29 WNW AERO 30 MPH WNW RMY 32
1/22 15/3/9/-16/…./…/…/.. 36 N AERO 35 MPH N RMY 34
1/23 20/-1/10/-15/0.00/0.0/…/.. 30 W AERO 29 MPH W RMY 30
1/24 16/2/9/-16/0.00/0.0/…/.. 28 WNW AERO 25 MPH WNW RMY N/A
1/25 morning low temp: 12F; the normal low is now 17F
DAILY RECORDS FOR JANUARY 2014
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JANUARY 25
HIGH 56F IN 2010
LOW -10F IN 1935
PRECIP 2.24 INS. IN 1979
SNOWFALL 12.5 INS. IN 1941
PEAK GUST 81 MPH WNW IN 1972
RECORDS FOR JANUARY 26
HIGH 68F IN 1950 [RECORD FOR MONTH]
LOW -5F IN 1920
PRECIP 1.60 INS. IN 1958
SNOW 9.0 INS. IN 1898
WIND 90e MPH SE IN 1978
TODAY’S REPORT PREPARED BY: Mike Iacono
