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You can always see my current weather reading for Peterborough, NH at WeatherCloud.net

 

 

 

 

 

 

Stuff to make using the site easier ..

I use abbreviations for many things:
PB = Peterborough
KE = Keene NH
Precip = Precipitation
SWS = Special Weather Statements
I will continue to add more to this list as I think of them.
I update the forecasts by 7AM and 7PM each day...more frequently if some weather thing is going on. On weekends by 9AM.
Make sure your browser is set to allow "pop-ups" from this site. I use them extensively and there is no danger of any viruses or anything like that.

I am based in Peterborough, NH, but the main forecasts (for now) are for Nashua, NH and the region. I send out an e-mail every Thursday that covers the upcoming weekend forecast. I also send out advisories when issued by the NWS to this list. You will NEVER get SPAM or e-mail from anyone else. I don't share my mail list with anyone. If you'd like to be a part of that mailing, send your e-mail address to: Mail List

What is a "ShortWave"?

Also known as Shortwave Trough; a disturbance in the mid or upper part of the atmosphere which induces upward motion ahead of it. If other conditions are favorable, the upward motion can contribute to thunderstorm development ahead of a shortwave.

MCS = Mesoscale Convective System (Bunch of thunderstorms)

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How I started...

I've been a weather hobbyist all of my life. As a child, I used to stand outside in the rain during thunderstorms just to watch the lightning. Back in the '70s getting weather information was a chore. I remember listening to NWS broadcasts during hurricane season and plotting these on a piece of paper. After moving to New England I finally bought my first real weather station made by Davis Instruments. I began to record daily weather data in a journal. I had a few people, where I work, who knew I was a weather nut, ask me to send them an e-mail on the weekend forecast. So two grew to five then 15, then 40, and now my Thursday weekend mail list reaches over 200+ people. I took some web programming classes in the late '90s and a few years after that RichLefko.com was born. I wanted to share my hobby with anyone who was interested, and I am quite overwhelmed with how many people seem to be interested. I've gotten so many "thank you's" for a variety of reasons..."saved my party", "saved my wedding", "saved my life." It's been fun and rewarding all at the same time.
Thanks for visiting RichLefko.com. Please tell your friends and family.

 

 

 

 

Your Information Source for Weather in New England!!   


Breaking Weather Headlines:

Snow move in late tonight - Light Snow Monday/NH - Heavier snow south

Hazardous Weather Outlook: NH/MA/ME
Winter Weather Advisory - MA/Albany NY/NYC - Winter Storm Warning SE MA

Get set for 'super snow moon,' the biggest supermoon of the year

There is no place to hide from winter - Hawaii sees snow from winter storm for first time in state park on Maui

*Site Hints*
(There is a new "Weather History" graphic each day in the "Daily History" panel below)
(See the daily national extremes and the most active weather spot around
the globe each day in the "Daily Extremes" panel below.)
(See "Links of Interest" for interesting acticles)


See my detailed instrument readings

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Weather Graphics  

Sunny and cold

Light snow expected in NH


Northwest remains cold

Heading our way

Southeast turns wet

Storm heads New England

Beware - Wed/Thur

Pattern - So far this month

Current Radar

See the Radar Page for more views


Click on the radar scope icon to see the current radar

The weather radar previously available was terminated by the owner.
Until I can locate a suitable replacement, please use this NWS link to get a radar view for now. - Thank you, Rich

This Day in Weather History


Today's Daily Extremes

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I will be posting pixs of weather and non-weather events.
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Mount Rainier Casting a Shadow

 

 

See the Local Weather Discussion below...

 

Welcome to Winter in New England


Spring arrives on March 20, 2019 at 5:58 PM EDT

Laugh for Today
You might be a Red neck if...
You call the stains on your sofa "the Pattern"

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Rich's Local Weather Discussion
Regional Weather Discussion

Your Daily Forecast 3 Days at a Time

Updates twice per day, weekdays, by 7:00AM and again by 7:30PM- 9AM/7PM on Weekends
Forecasts are for Southern NH (Nashua) with other locations noted.
(PB = Peterborough, NH) - (KE = Keene, NH)

Last Updated: Sunday, February 17, 2019 4:45 PM

If the Advisory logo above is flashing, go to the Advisories link in the navigation menu,
which can be found on left side of the page. Or click on the links below.

See any Hazardous Weather Outlooks below


Snowfall Estimate Early Monday - 2/17 - 4PM
When will the snow begin? - 2/17 - 4PM
Winter Weather Advisory - MA North - 2/17 - 4PM
Winter Storm Watch - SE MA - 2/17 - 4PM
Winter Weather Advisory NNY/NYC/CT - 2/17 - 4PM


Click on any links above to go to the warning pages

New Hampshire and Maine

Hazardous Weather Outlook
National Weather Service Gray ME
234 PM EST Sun Feb 17 2019

ANZ153-MEZ018-019-025>028-NHZ005>013-015-181945-
Casco Bay-Interior York-Interior Cumberland-Sagadahoc-Lincoln-Knox-
Coastal Waldo-Southern Grafton-Southern Carroll-Sullivan-Merrimack-
Belknap-Strafford-Cheshire-Eastern Hillsborough-Interior Rockingham-
Western And Central Hillsborough-
234 PM EST Sun Feb 17 2019

This Hazardous Weather Outlook is for Atlantic coastal waters,
Maine, south central Maine, southwest Maine, New Hampshire, central
New Hampshire, northern New Hampshire and southern New Hampshire.

.DAY ONE...This Afternoon and Tonight.

Light snow is likely tonight into Monday.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

A coastal low may bring a general snowfall to the area Wednesday night into Thursday.

Massachusetts

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Monday

Snow showers likely, mainly before 3pm. Cloudy, with a high near 33. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

 

 

 

PB/KE: Snow showers, mainly before 3pm. High near 32. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

 


 

Monday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Northwest wind around 10 mph.

PB/KE: Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Wind chill values as low as -1. Northwest wind around 5 mph.

 


 

Tuesday

Sunny, with a high near 28. Wind chill values as low as -2. Northwest wind 5 to 10 mph.

PB/KE: Sunny, with a high near 24. Wind chill values as low as -6. Northwest wind around 5 mph.

 

 

 

 

Tuesday Night

Mostly clear, with a low around 10. Northwest wind around 5 mph becoming calm.

PB/KE: Mostly clear, with a low around 7. West wind around 5 mph becoming calm.

 

 

 

Wednesday

Mostly sunny, with a high near 29.

PB/KE: Partly sunny, with a high near 27.

 


 

Wednesday Night

Snow likely. Cloudy, with a low around 23. Chance of precipitation is 70%.

PB/KE: Snow likely. Cloudy, with a low around 21. Chance of precipitation is 70%.

 

 

Thursday

 

 

 

 

Thursday Night

 

 

 

 

Friday

 

 

 


 

Friday Night

 

 

 

 

Saturday

 

 


 

Saturday Night

 

 

 


 

Sunday

 

 

 


 

 

Sunday Night

Snow showers, mainly after 1am. Low around 18. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

 

 

 

PB/KE: Snow showers likely, mainly after 1am. Increasing clouds, with a low around 16. Calm wind. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.

 



Your weekend forecast is always posted on the Thursday morning before the weekend
To see an extended forecast for your zone, look at the Extended Forecast page. 

Links of Interest

How do they do that?
So that's how they bake it.



Get set for 'super snow moon,' the biggest supermoon of the year - Fox Science
NASA Mars rover Opportunity, resilient Red Planet explorer, officially dead - CNET
Hawaii sees snow from winter storm for first time in state park on Maui - Fox Science
Diamond-shaped asteroid captured by NASA spacecraft stuns scientists - Fox Science
See the current monthly Rainfall & Snowfall data - RichLefko.com
NASA's Hubble telescope uncovers Neptune's new 'mysterious dark vortex,' Uranus' giant white cap - Fox Science
See the February 2019 Almanac - RichLefko.com Link
Rain spotted on Saturn's moon Titan, which may be home to alien life - Fox Science
15 Scariest Bridges in the World - Destinantion Tips
81 Severe Weather Survival Tips Every Homeowner Must Know - Family Handyman
TOXIC LEGACY Poisonous dust from 9/11 attack has given almost 10,000 New Yorkers cancer - The Sun

The 2018 Hurricane Tracking Section is now closed - Richlefko.com link
Interested in Apple stuff? iPhones, Macs, etc? See all of my articles at MyMac.com
Got a link to share? Send it to me - RichLefko

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Rich's Local Weather Discussion:

2/17 -  4:35 PM: Elongated low pressure area is tracking to our south and all of the models keep it there. Snow breaks out sometime after midnight with light accumulations here in Southern NH, 1" to 3". However, south of MA/NH line it is a different story. The best dynamics with this system are down there with winter weather advisories and winter storm warnings for more than 6" of snow possible in some locations. The advisory areas to our south have been expanded this afternoon. Tracking this close, it wouldn't take much of a change to push the heavier snow north. High pressure builds in Monday night through Wednesday with colder air in place. Temps will be below average. By Wednesday night a system tracking in from the west will spawn an ocean low that will track northeast. A mostly snow event? Stay tuned. After that, another storm is expected later next weekend. Links to all Advisory, snowfall,onset info can be found here.

SYNOPSIS...NH/ME
Low pressure will track south of Cape Cod later tonight into
early Monday and will bring light snow to southern areas. High
pressure dominates the weather for Tuesday and Wednesday. The
next chance of precipitation occurs Wednesday night into
Thursday as low pressure approaches from the south and west.
More Canadian high pressure builds into the region Friday and
Saturday. Low pressure moves up to the New England coastline
next Sunday.
A elongated area of low pressure stretching across the southern
Appalachians will move northeastwards crossing the mid Atlantic
and southern New England on Monday. All guidance continues to
put the core of this system to our south moving south of Long
Island and east across the benchmark putting southern New
Hampshire on the northern periphery of the precipitation. Expect
light snow to break out across the region early Monday morning
resulting in a few inches of accumulation along the
Massachusetts border through the end of the day.

SYNOPSIS...MA
Accumulating snow overspreads the region late this evening and
overnight from west to east and continues into Monday, in
association with a low pressure tracking south of New England. Drier
and colder conditions follow Monday night into Wednesday. Another
low approaches the region which will bring snow Wednesday night,
likely changing to a wintry mix inland, and over to rain along the
coast before ending Thursday. Dry conditions should return Friday
into Saturday.

Highlights...

* Snow develops between 10 pm and 2 am from southwest to northeast
* Heaviest snow occurs through 9 am near and esp south of Pike
* Snow continues Mon afternoon with focus across central/eastern MA

LONG TERM /MONDAY NIGHT THROUGH SUNDAY/...

* Dry but turning colder Monday night into Wednesday
* Another chance of snow Wednesday ngt but likely changing to a
wintry mix inland and rain along the coast Thursday
* Dry weather follows Friday and likely lingers into Saturday

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2/17 -  9:40 AM: High pressure in control today. Colder than Saturday with highs in the low 30s. Tonight that storm tracking to our south, the one we said probably won't affect us, will. As it tracks closer snow will spread into the region. Since this system is so far south, areas south of the MA Pike are under a winter storm watch, while coastal MA is in a winter weather advisory and areas north and west of I95 are simple in a Hazardous Weather Outlook for light snow. We'll have to keep an eye on this during the late afternoon/evening updates. Tracking this close, it wouldn't take much of a change to push the heavier snow north. High pressure builds in Monday night through Wednesday with colder air in place. Temps will be below average. By Wednesday night a system tracking in from the west will spawn an ocean low that will track northeast. A mostly snow event? Stay tuned. After that, another storm is expected later next weekend. Links to all Advisory, snowfall,onset info can be found here.

SYNOPSIS...NH/ME
High pressure builds in from the west through tonight. Low
pressure will track south of Cape Cod late tonight into early
Monday and will bring light snow to southern areas. High
pressure dominates the weather for Tuesday and Wednesday. The
next chance of precipitation occurs Wednesday night into
Thursday as low pressure approaches from the west. More
Canadian high pressure builds into the region Friday and
Saturday. Low pressure moves up to the New England coastline
next Sunday.

SYNOPSIS...MA
High pressure will maintain dry weather through today. Accumulating
snow overspreads the region late this evening and overnight from
west to east and continues into Monday, in association with a low
pressure tracking south of New England. Drier and colder conditions
follow Monday night into Wednesday. Another low approaches the
region which will bring snow Wednesday night, likely changing to a
wintry mix inland, and over to rain along the coast before ending
Thursday. Dry conditions should return Friday into Saturday.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM MONDAY/...
* Models have trended upward with precip/snowfall tonight into
Monday.
* Issuing Winter Storm Watches for RI and SE MA and Winter
Weather Advisories for N CT and Mass Pike corridor into Boston
and coastal NE MA.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/...
* Dry but turning colder Monday night into Wednesday
* Another chance of snow Wednesday ngt but likely changing to a
wintry mix inland and rain along the coast Thursday
* Dry weather follows Friday and likely lingers into Saturday

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Regional Weather Discussion ...

Across the nation today:

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
223 AM EST Sun Feb 17 2019

Valid 12Z Sun Feb 17 2019 - 12Z Tue Feb 19 2019

...Snow expected for much of the western U.S. and northern plains, and
rain for the southeast states...

Conditions will continue to be cold and unsettled for the western U.S.
through this weekend and into Monday as an upper level trough becomes
established over the region. A strong shortwave impulse pivoting around
this trough will lead to a favorable pattern for moderate to heavy
mountain snow, with the Mogollon Rim of Arizona and the southern
Colorado/northern New Mexico Rockies expected to have the heaviest snow
through Tuesday morning. The potential exists for 8 to 16 inches of snow
for the higher mountain ranges. The recent heavy snow for the Sierra
Nevada will become lighter in intensity and coverage.

Snow will also be making weather headlines from the Dakotas to the greater
Chicago area as a surface low tracks from the ArkLaTex region to the Ohio
Valley through Sunday night. Convergence from an inverted trough axis and
an approaching shortwave aloft will result in a swath of 2 to 5 inches of
snow with locally higher amounts. Winter weather advisories are in effect
for these areas. Frigid temperatures are expected from Montana to the
Dakotas with highs in the single digits and teens with a large arctic
surface high governing the weather pattern.

Across the southeast U.S., the aforementioned surface low over Arkansas
Sunday morning will track towards the central Appalachians and reform off
the East Coast by Monday. There will likely be a corridor of 1 inch or
greater rainfall from Alabama to the southern Appalachians, followed by a
return to colder conditions for the beginning of the week. Light snow is
expected across southern New England as the secondary low forms near the
coast, but this is not expected to become a major event at this time.

These "discussions" are from the NWS, or WMUR Manchester NH, or me.

 

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