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Thursday, November 21, 2013

November 21, 2013

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, NOVEMBER…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, NOVEMBER 21, 2013 ALL TIMES ARE IN EASTERN STANDARD TIME VERY COLORFUL SUNRISE WITH THE CIRRUS CLOUDS THIS MORNING CLEAR SKY, CALM WINDS AND VERY DRY AIR ALLOWED FOR STRONG RADIATIONAL COOLING OVERNIGHT LAST NIGHT A brilliant colorful sunrise was observed this morning followed by two bright parahelia (sun dogs) which were each brightest when only one on left or on right of the sun was visible. The clear sky, light winds and very dry air with dew points down around 10 degrees last night were ideal conditions for strong radiational cooling.  Most of the state except Cape Cod, higher elevations, and the immediate coast and some urban centers had low temperatures down into the teens.  Boston and Worcester had lows of 29 degrees, while our minimum atop Blue Hill was 26 degrees. Nearby Norwood Airport had its coldest of the season to date with a low of 14 degrees. Other lows in the teens included: 17 at Taunton, 13 at Springfield, 13 at Orange, 15 at Pittsfield, 17 at Fitchburg, Beverly 19 and Bedford 16. Rainfall is badly needed as moderate drought conditions have continued to develop across much of the area.  Precipitation from September 2 through November 20 (80 days) has only been 3.69 inches, or about 34% of the 30-year average of 10.93 inches. Today’s Observations: 7 A.M. Weather: Scattered cirrus, thin overcast cirrus, breaks in the overcast, bright right parahelion SSE Temperature: 29F; Dew Point: 10F; Wind: N at 6 kts Sea-level pressure: 30.64 ins. Hg, rising slightly Visibility: 60 miles, except 70 miles NW, distant haze 6-hr min temp: 26F BHO SA 1155 250 SCT 300 –OVC 60 375/29/10/3606/064/ PTCHS LWR CI BINOVC BRGHT RIGHT PARAHELION SSE VSBY NW 70 DSNT HZ INVSN PRSNT/ 8/001 53005 10029 20026 10 A.M. Weather: Clear, few cirrus all quadrants Temperature: 38F; Dew Point: 19F; Wind: W at 3 kts, Wind: Light Sea-level pressure: 30.62 ins. Hg, falling then rising slightly Visibility: 60 miles, except 75 miles WNW-NW, smoke layer all horizons, dark smoke layer NNW-ENE, estimated top 6 hundred feet over city N, distant haze BHO SA 1455 CLR 60 370/38/19/2703/062/ FEW CI ALQDS K LYR ALG HRZN ALQDS DRK SHLW K LYR NNW-ENE ESTMTD TOP 6 HND OVR CTY N VSBY WNW-NW 75 ABV INVSN DSNT HZ WND LGT/ 8/001 55005 1 P.M. Weather: Thin scattered cirrus, patches of lower cirrus Temperature: 45F; Dew Point: 22F; Wind: WSW at 7 kts, Wind: Direction variable, SSW-W Sea-level pressure: 30.56 ins. Hg, falling then more quickly Visibility: 75 miles, thin smoke layer distant NNE-ESE, light distant haze 6-hr max temp: 46F BHO SA 1755 250 –SCT 75 348/45/22/2407/056/ PTCHS LWR CI WND 21V27 THN K LYR DSNT NNE-ESE LGT DSNT HZ/ 8/001 58022 10046 20029 WEATHER SUMMARY FOR WEDNESDAY, NOVEMBER 20, 2013 TEMPERATURE (DEGREES F) MAX…..40    NORMAL…..49 MIN…..25    NORMAL…..32 MEAN….33    NORMAL…..40 DEPARTURE FROM 30-YEAR NORMAL………………….-7 TOTAL DEPARTURE FOR THE MONTH…………………+12 [+0.4 DEGREE/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..32  DEPARTURE………+7 TOTAL HEATING UNITS FOR THE MONTH………….420  DEPARTURE……..-12 TOTAL HEATING UNITS FOR THE SEASON…………897  DEPARTURE……..-98 TOTAL HEATING UNITS LAST SEASON TO DATE…….869  DIFFERENCE…….+28 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………23 NW  AT  2:03 A.M. AERO…………………..25 NW  AT  2:03 A.M. ASOS…………………..25 NW  AT 12:00 A.M. DAVIS………………….22 NW  AT  2:03 A.M. RMY N/A FASTEST MILE FOR YESTERDAY………………..17 NW  AT 12:09 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..18 NW  AT 12:09 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….16 NW  AT 12:09 A.M. AVERAGE WIND SPEED AND DIRECTION…………10.0 NNW ASOS………………….9.7 DAVIS…………………8.5 NNW [330 degrees] 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……….1.01   DEPARTURE…………-2.14 ASOS…………..1.00 TOTAL PRECIPITATION FOR THE YEAR……….44.02   DEPARTURE…………-2.90 ASOS…………..N/A** **ASOS malfunctioned during storm on 2/8-9, leading to erroneous totals SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M…….0.0     DEPARTURE………….-0.1 TOTAL SNOWFALL FOR THE MONTH………….0.2     DEPARTURE………….-0.7 TOTAL SNOWFALL FOR THE SEASON…………0.2     DEPARTURE………….-1.0 PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 2013 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 11/1  68/56/62/+16/0.10/0.0/012/02        60 SSW AERO N/A N/A    RMY 66 11/2  65/49/57/+11/0.00/0.0/296/48        22 WSW AERO N/A N/A    RMY 23 11/3  49/30/40/-6/0.06/T/135/22           23 N   AERO N/A N/A    RMY N/A 11/4  42/27/35/-10/0.00/0.0/588/96        24 NNE AERO N/A N/A    RMY 25 11/5  50/29/40/-5/0.00/0.0/487/80         16 SSW AERO N/A N/A    RMY 17 11/6  59/40/50/+5/0.00/0.0/419/69         30 SSW AERO 31 MPH SSW RMY 33 11/7  65/37/51/+6/0.31/0.0/079/13         33 SW  AERO 37 MPH SW  RMY 37 11/8  48/31/40/-4/T/T/0.0/421/70          37 WNW AERO 37 MPH WNW RMY 39 11/9  44/29/37/-7/0.00/0.0/366/61         25 WNW AERO 25 MPH WNW RMY 29 11/10 52/40/46/+2/0.08/0.0/108/18         31 WNW AERO 33 MPH WNW RMY N/A 11/11 51/36/44/+1/0.00/0.0/500/84         36 WNW AERO 37 MPH WNW RMY 37 11/12 48/24/36/-7/0.11/0.2/000/00         42 SW  AERO 43 MPH SW  RMY 43 11/13 35/21/28/-15/0.00/0.0/591/100       29 NW  AERO 30 MPH NW  RMY 30 11/14 49/26/38/-4/0.00/0.0/536/91         25 SW  AERO 25 MPH SW  RMY 28 11/15 59/38/49/+7/0.00/0.0/393/67         24 S   AERO 25 MPH S   RMY 26 11/16 59/40/50/+8/0.00/0.0/363/62         20 WSW AERO 20 MPH WSW RMY N/A 11/17 59/42/51/+10/0.07/0.0/000/00        23 SSE AERO 25 MPH SSE RMY N/A 11/18 65/46/56/+15/0.28/0.0/400/69        40 SSW AERO 40 MPH S   RMY N/A 11/19 46/28/37/-4/0.00/0.0/428/74         46 WNW AERO 46 MPH WNW RMY 46 11/20 40/25/33/-7/0.00/0.0/…/..         23 NW  AERO 22 MPH NW  RMY 22 11/21 morning low temp: 26F; the normal low is now 32F DAILY RECORDS FOR NOVEMBER 2013 None so far. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR NOVEMBER 21 HIGH 69 IN 1931 LOW 10 IN 1888 PRECIP 2.60 INCHES IN 1950 SNOWFALL 4.0 INS IN 1929 PEAK GUST 69 NW IN 1989 RECORDS FOR NOVEMBER 22 HIGH 70 IN 1931 LOW 12 IN 1987 PRECIP 1.78 INS IN 2005 SNOWFALL 9.0 INS IN 1971 PEAK GUST 70e SE IN 1945 TODAY’S REPORT PREPARED BY: Robert Skilling
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Blue Hill Observatory & Science Center · Legal

Data Use & Privacy Policy

Please read the full Policy before accessing Observatory data · Effective January 1, 2025

Notice: By accessing, downloading, or using any Blue Hill Observatory data or services, you unconditionally accept and agree to be bound by this Policy in its entirety. If you do not agree, you may not access or use Observatory data.
Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
Part I — Data Use Policy
§ 01

Ownership and Proprietary Rights

All observational records, compiled datasets, metadata, database structures, and related materials provided by the Blue Hill Observatory & Science Center are the exclusive property of the Blue Hill Observatory & Science Center. The Observatory has maintained continuous weather observations at the summit of Great Blue Hill since 1885, and the entirety of that record — its compilation, structure, curation, and organization — constitutes a proprietary database protected under applicable United States law, including copyright law and common law database protections.

All rights not expressly granted in this Policy are reserved by the Observatory. No access to or use of Observatory data shall be construed as a waiver of any rights or as a license to use data beyond the scope expressly stated herein.

§ 02

Governing Law and Jurisdiction

This Policy shall be governed by and construed in accordance with the laws of the Commonwealth of Massachusetts, without regard to its conflict of law provisions. For interactions with international users, this Policy shall apply to the maximum extent permitted by applicable local law.

Any dispute arising from or related to this Policy shall be subject to the exclusive jurisdiction of the state and federal courts located in Norfolk County, Massachusetts. By accessing Observatory data, all users consent to personal jurisdiction in Massachusetts and waive any objection to the venue or inconvenience of such forum.

§ 03

Permitted Uses

Observatory data are made available for the following limited, non-commercial purposes only:

  • Personal study and analysis
  • Educational classroom use
  • Student projects
  • Non-commercial academic research
  • Publication of analyses, figures, models, or conclusions derived from the data, subject to the attribution requirements of Section 4

All other uses require prior written authorization from the Observatory.

§ 04

Attribution Requirement

Any use of Observatory data in any published, presented, or publicly distributed work must include the following verbatim acknowledgment:

“Data provided by the Blue Hill Observatory & Science Center, Milton, Massachusetts. Continuous weather observations since 1885.”

Failure to include proper attribution is a material violation of this Policy.

§ 05

Prohibited Uses

Unless explicitly authorized in writing, Users may not:

  • Resell, license, sublicense, or commercially exploit Observatory data in any form
  • Redistribute the dataset in whole or in part to any third party
  • Publish the dataset for download by third parties
  • Host, mirror, or archive the dataset on any external website, repository, or storage service
  • Upload the dataset to any public or institutional data repository
  • Provide the data through APIs, automated services, or subscription platforms
  • Incorporate the data into any commercial product, software, application, or service
  • Use the data for AI or machine learning systems intended for commercial use or external distribution
  • Use the data to create derivative datasets that enable reconstruction of the underlying observations
§ 06

Commercial Licensing

Organizations seeking to use Observatory data for commercial purposes must obtain a license prior to any such use. Licensing inquiries: data@bluehill.org.

§ 07

Automated Access

Automated scraping, bulk harvesting, or systematic downloading of Observatory data is strictly prohibited without prior written authorization.

§ 08

Enforcement and Remedies

Violation of this Policy may result in immediate revocation of data access, pursuit of legal remedies available under United States law, and referral to applicable authorities. The Observatory reserves all rights to seek injunctive relief, damages, and attorneys’ fees in connection with any unauthorized use of its data.

Part II — Privacy Policy
§ 09–10

Scope & Information Collected

This section governs the collection, use, storage, and disclosure of personal information from visitors to the Blue Hill Observatory website and users of its data services. The Observatory may collect contact information (name, email, organization) when voluntarily submitted, usage data including IP addresses and pages visited, and data download records.

§ 11–12

How We Use Information & Retention

Information is used solely for: responding to inquiries and licensing requests; monitoring and enforcing compliance with this Policy; improving website performance; and communicating Observatory news to opted-in users. The Observatory does not sell, rent, or share personal information with third parties for marketing purposes. Data access records may be retained indefinitely for compliance and enforcement purposes.

§ 13

International Users and Data Transfers

The Observatory is located in the United States. International users acknowledge their information will be processed in the United States under U.S. law. Users requiring specific data processing agreements under non-US law must contact data@bluehill.org before accessing data.

§ 14–16

Cookies, Security & Children’s Privacy

The Observatory website may use cookies for analytics and functionality. By continuing to use the site, users consent to cookie use. The Observatory implements reasonable measures to protect personal information but cannot guarantee absolute security. Observatory data services are not directed at children under 13.

Part III — General Provisions
§ 17–20

Modifications, Severability, Entire Agreement & Contact

The Observatory reserves the right to modify this Policy at any time. Updated versions will be posted at bluehill.org. Continued use of Observatory data following any modification constitutes acceptance of the revised Policy. This Policy constitutes the entire agreement between the User and the Observatory. Questions and licensing inquiries: Blue Hill Observatory & Science Center, Milton, Massachusetts — data@bluehill.org

By accessing, downloading, or using any Blue Hill Observatory data or services, you acknowledge that you have read, understood, and agree to be bound by this Policy.
Effective January 1, 2025 · Blue Hill Observatory & Science Center · Milton, Massachusetts
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