Thursday, November 7, 2024

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

THURSDAY, NOVEMBER 7, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0626E
SUNSET:  1630E

BREEZY AND COOLER UNDER MAINLY SUNNY SKIES, BUT STILL ABOVE NORMAL….

After yesterday’s record warmth, today is about 10-15 degrees
cooler. Despite this, it’s still above normal for this time of
year, and quite frankly extremely nice for November standards.
Readings have reached the upper 60s early this afternoon.

There have been periods of cloudiness this morning, but for the
most part, sunshine has been the theme today. A dry cold front
moved through during the mid morning hours with a rather sharp
decrease in dew point and marked increase in wind speeds.

The average wind speed for the day so far is around 14mph, but
it’s been closer to 17-20mph for the last couple of hours following
the frontal passage and onset of the “cold” air advection. Gusts
have been frequently exceeding 25mph since 10am with a peak
gust so far of 37mph which occurred at 12:34pm.

Visibility today has improved thanks to the lowering dew points,
ranging from around 40 miles early this morning to nearly 70 miles
by early this afternoon.

The other story is of course the continued dry conditions leading
to worsening drought. The official update from the Drought Monitor
is showing expansion of severe drought conditions across the area.
We haven’t recorded any precipitation so far in November, and have
gone 8 days (including today) with no precipitation, not even a
trace. The monthly departure is already around approaching 1 inch
below normal, and the annual departure has now surpassed an inch
below normal after having a maximum surplus of nearly 10 inches
back in the spring!

The maximum temperature so far today is 69F, which is 16 degrees
above the normal high of 53F. The minimum temperature since midnight
is 57F, which is 21 degrees above the normal low of 36F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Thin broken cirrus, few altocumulus/castellanus distant
all quadrants
Temperature: 58F; Dew Point: 51F; Relative Humidity: 77%
Wind: W @ 9 kts
Sea-level pressure: 1015.7 mb; 29.99 in. Hg: rising unsteadily
Visibility: 40 miles, hazy
6-hr Max temp: 64F
6-hr Min temp: 57F
24-hr Precip:  0.00 inches
24-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1155 E250 -BKN 40 157/58/51/2709/999/ FEW AC/ACC DSNT ALQDS
HAZY/ 8/081 52006 10064 20057

10 A.M.
Weather: Scattered cumulus, scattered altocumulus/castellanus,
thin scattered cirrus
Temperature: 67F; Dew Point: 52F; Relative Humidity: 59%
Wind: W @ 10G16 kts
Sea-level pressure: 1015.6 mb; 29.99 in. Hg: rising, then falling
Visibility: 60 miles
3-hr Precip: 0.00 inches
3-hr Snowfall: 0.0 inches
BHO SA 1455 50 SCT 85 SCT 250 -SCT 60 156/67/52/2810G16/999/
8/281 58001

1 P.M.
Weather: Scattered stratocumulus, scattered cirrus
Temperature: 68F; Dew Point: 45F; Relative Humidity: 42%
Wind: W @ 18G28 kts, peak wind WNW 37mph at 12:34 P.M.
Sea-level pressure: 1014.5 mb; 29.96 in. Hg: falling, then steady
Visibility: 70 miles
6-hr Max temp: 69F
6-hr Min temp: 57F
6-hr Precip: 0.00 inches
6-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1755 55 SCT 250 SCT 70 145/68/45/2818G28/996/ PK WND 3032/34/
8/501 56011 10069 20057

————————————————————–

SUMMARY FOR WEDNESDAY, NOVEMBER 6, 2024

TEMPERATURE (DEGREES F)
MAX…….80R NORMAL…..54
MIN…….59  NORMAL…..37
MEAN……70  NORMAL…..45

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………….+25
TOTAL DEPARTURE FOR THE MONTH…………………….+43 [+7.0 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2024 THRU JUN 2025)
TOTAL HEATING UNITS FOR YESTERDAY…………….0  DEPARTURE…….-20
TOTAL HEATING UNITS FOR THE MONTH……………76  DEPARTURE…….-38
TOTAL HEATING UNITS FOR THE SEASON………….449  DEPARTURE……-177
TOTAL HEATING UNITS LAST SEASON TO DATE……..471  DEPARTURE…….-22

COOLING DEGREE DAYS (SEASON: JAN 2024 THRU DEC 2024)
TOTAL COOLING UNITS FOR YESTERDAY…………….5  DEPARTURE……..+5
TOTAL COOLING UNITS FOR THE MONTH…………….5  DEPARTURE……..+5
TOTAL COOLING UNITS FOR THE SEASON………….768  DEPARTURE…….+91
TOTAL COOLING UNITS LAST SEASON TO DATE……..715  DEPARTURE…….+53

PEAK WIND GUST (MPH):
Note: Instruments designated #1 = Main Tower, #2 = South Tower,
F420C, Contacting, Merlin, and Richards are all on Main Tower.
E=Estimated

F420C (Official)………..39 WSW  @   01:08 A.M.
VECTOR #1 (1-Sec)……….39 WSW  @   01:08 A.M.
VECTOR #2 (1-Sec)……….40 WSW  @   01:08 A.M.
DAVIS #1……………….37 WSW  @   01:08 A.M.
DAVIS #2 ………………39 WSW  @   01:08 A.M.
RMY #1 (Instantaneous)…..42 WSW  @   01:07 A.M.
RMY #2 (Instantaneous)…..41 SW   @   01:26 A.M.
MERLIN…………………39 WSW
RICHARDS (C5C) (Inst)…..OTS

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………28 WSW  @   01:10 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..26      @   06:01 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..27      @   01:09 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………26 SW   @   06:01 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………28 WSW  @   01:20 A.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..26 SW   @   06:01 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..27 SW   @   06:01 A.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……..16.4 SW [393 total miles] VECTOR #1………………15.9
VECTOR #2………………16.6
DAVIS #1……………….16.1 WSW
DAVIS #2……………….16.8 WSW
RMY #1…………………15.6 WSW
RMY #2…………………16.4 WSW
RICHARDS (C5C)…………..OTS

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.15
TOTAL PRECIPITATION FOR THE MONTH…………..0.00 DEPARTURE…..-0.89
TOTAL PRECIPITATION FOR THE YEAR (2024)…….43.80 DEPARTURE…..-1.25

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE…….0.0
TOTAL SNOWFALL FOR THE MONTH………………..0.0 DEPARTURE……-0.2
TOTAL SNOWFALL FOR THE SEASON (2024-2025)…….0.0 DEPARTURE……-0.9

————————————————————–

PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN)/SUN(%)/PEAK GUST/VEC1/RMY GUST
PEAK GUST: F420C (Official)
VEC1: Vector #1 1-second gust
RMY:  R.M. Young #1 wind gust recording system (Instantaneous)
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M:    Missing data

11/1   77/49/63/+16/0.00/0.0/347/56       36 WNW VEC1 36 WNW RMY 37
11/2   55/37/46/-1/0.00/0.0/228/37        21 N   VEC1 23 N   RMY 21
11/3   48/30/39/-7/0.00/0.0/595/97        20 NNW VEC1 21 NNW RMY 21
11/4   49/33/41/-5/0.00/0.0/061/10        20 SSE VEC1 21 SSE RMY 21
11/5   73/46/60/+15/0.00/0.0/505/83       35 SW  VEC1 35 SW  RMY 37
11/6   80/59/70/+25/0.00/0.0/558/92       39 WSW VEC1 39 WSW RMY 42

11/7 The low since midnight is 57F, the daily normal low is 36F.

————————————————————–

NOVEMBER DAILY RECORDS TO DATE

11/1 RECORD HIGH TEMPERATURE OF 77F, OLD RECORD WAS 75F IN 2003.

11/6 RECORD HIGH TEMPERATURE OF 80F, OLD RECORD WAS 74F IN 2022.

————————————————————–

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

RECORDS FOR NOVEMBER 7
HIGH 75 IN 1938, 2020
LOW 21 IN 1894, 1930
PRECIP 2.02 INCHES IN 1953
SNOWFALL 3.5 IN 2012
PEAK GUST 69e ENE IN 1953

RECORDS FOR NOVEMBER 8
HIGH 73 IN 2020
LOW 20 IN 1921
PRECIP 2.24 INCHES IN 1972
SNOWFALL 4.0 IN 1894
PEAK GUST 72e SE IN 1947

TODAY’S REPORT PREPARED BY: Matt Douglas