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Jan 6/7 "Event" and obs


stormtracker
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6 minutes ago, Warm Nose said:

Dryslot pretty much eroding anything for E Tennessee. They'd projected 2-3".

I used to live in Asheville and near the Tennessee border in Jackson county, NC. East Tennessee is a really tough place to number one forecast snow and number two get snow. The mountains often break up much of the moisture or the moisture skips east or west. The valley locations are much drier than the mountaintops (much like western Colorado). At this point, I’d assume it’s snowing up high and raining or dry in the valleys but don’t think it matters much as far as sensible weather in the dmv.

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1 minute ago, Negnao said:

NWS lowered their totals. Generally 1-3 throughout central md and the cities. 

At least be correct if you are going to post something.

 

URGENT - WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
328 PM EST Thu Jan 6 2022

DCZ001-MDZ005-006-008-011-013-014-016-018-503>508-VAZ052>054-502-
506-071200-
/O.EXT.KLWX.WW.Y.0003.220107T0200Z-220107T1200Z/
District of Columbia-Carroll-Northern Baltimore-Cecil-
Southern Baltimore-Prince Georges-Anne Arundel-Charles-Calvert-
Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Northwest Harford-
Southeast Harford-Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Southern Fauquier-
Eastern Loudoun-
328 PM EST Thu Jan 6 2022

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING
TO 7 AM EST FRIDAY...

* WHAT...Snow accumulations of 2 to 4 inches.

* WHERE...The Washington and Baltimore Metropolitan areas,
  portions of central and southern Maryland, and portions
  northern Virginia.

* WHEN...From 9 PM this evening to 7 AM EST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning commute.

* ADDITIONAL DETAILS...The heaviest snow is expected overnight
  when snowfall rates of 1 inch per hour are possible. Visibility
  will be reduced to near or less than one-half mile.
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Just now, ravensrule said:

At least be correct if you are going to post something.

 

URGENT - WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
328 PM EST Thu Jan 6 2022

DCZ001-MDZ005-006-008-011-013-014-016-018-503>508-VAZ052>054-502-
506-071200-
/O.EXT.KLWX.WW.Y.0003.220107T0200Z-220107T1200Z/
District of Columbia-Carroll-Northern Baltimore-Cecil-
Southern Baltimore-Prince Georges-Anne Arundel-Charles-Calvert-
Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Northwest Harford-
Southeast Harford-Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Southern Fauquier-
Eastern Loudoun-
328 PM EST Thu Jan 6 2022

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING
TO 7 AM EST FRIDAY...

* WHAT...Snow accumulations of 2 to 4 inches.

* WHERE...The Washington and Baltimore Metropolitan areas,
  portions of central and southern Maryland, and portions
  northern Virginia.

* WHEN...From 9 PM this evening to 7 AM EST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning commute.

* ADDITIONAL DETAILS...The heaviest snow is expected overnight
  when snowfall rates of 1 inch per hour are possible. Visibility
  will be reduced to near or less than one-half mile.

In the actual forecast, not the advisory, it went from 2-4 to 1-3. It changed. It’s relevant as it reflects their thinking after today’s models. 

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8 minutes ago, ISeekSnow said:

Hi!  Yea I'm not too far from the airport but finally got my own weather station so I can now compare my info to Dulles since I am usually a degree or 2 warmer than the airport. 

You can also see real time IAD flight weather data on this link: http://www.iadasos.org/IAD/index.html. very helpful as it updates every minute.  

Down to 38.8/19.8 

Great minds think alike. That's been my go to site for 5 1/2 years. :)

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Just now, Negnao said:

In the actual forecast, not the advisory, it went from 2-4 to 1-3. It changed. It’s relevant as it reflects their thinking after today’s models. 

Ah so the advisory they put out after seeing today's models don't reflect their true opinion. Makes sense. 

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1 minute ago, jayyy said:

Watching the radar weaken a bit as precip crosses over the mountains in E TN is as predictable as the end of an adult film.
 

Shouldn’t worry folks around here much unless that trend continues as it goes further east.  

Can you please elaborate on the adult film, i don't really care much for weather. 

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1 minute ago, ravensrule said:

Ah so the advisory they put out after seeing today's models don't reflect their true opinion. Makes sense. 

By your reasoning, anything they put out reflects their thinking. So the latest thing they changed is probably the latest thinking. So let's not be unnecessarily aggro about our bad logic. 

1-3" is probably more accurate. 

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2 minutes ago, ravensrule said:

Ah so the advisory they put out after seeing today's models don't reflect their true opinion. Makes sense. 

The expected snowfall at the national mall went from 4 inches to 2 inches. Please make cheesy sex jokes instead of harassing other posters. Stick wirh what works for you. 

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2 minutes ago, Negnao said:

The expected snowfall at the national mall went from 4 inches to 2 inches. Please make cheesy sex jokes instead of harassing other posters. Stick wirh what works for you. 

Point and click forecasts never match up exactly with the words in products issued to the public. Rely more on the advisory package wording, and their updated snowfalls maps, than your point and click. Point and click are pulled from models and not human entered. 

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2 minutes ago, mappy said:

Point and click forecasts never match up exactly with the words in products issued to the public. Rely more on the advisory package wording, and their updated snowfalls maps, than your point and click. Point and click are pulled from models and not human entered. 

I was using their probability page for the national mall as an example. Anyway I was just making the point we all knew- that the models are less bullish today and the NWS took notice. 

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Just now, Negnao said:

I was using their probability page for the national mall as an example. Anyway I was just making the point we all knew- that the models are less bullish today and the NWS took notice. 

Please dont argue with me. You posted your point and click forecast, and used that to say 1-3 because a computer model put those numbers there, not a human who can digest those models and make forecasts. Rely on your advisory wording and LWX snowfall maps. 

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