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March Obs/Disco Thread


H2O

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Gaithersburg Maryland VP2 backyard report for Sunday, March 11, 2012

Sunday started out a bit frosty with temps just under the freezing mark, but warmed under stronger sun to temps in the mid 60s by mid-late afternoon. Don't forget that timing will be a bit different today since we switched over to Daylight Savings Time early this morning.Tonight partly cloudy skies and lows in the mid 30s as I believe we have seen our last frosty morning this morning in a while. Monday should be partly cloudy, clouding up more towards evening with a 60 POP for showers Monday night. A partly cloudy day on Tuesday with highs up in the low 70s and a 30 POP for showers and even possibly a thunderstorm. Then on Wednesday and Thursday sun returns with high temps up in the mid 70s. A 30 POP for showers on Friday with continued temps in the low 70s, then cloudy to partly cloudy on the weekend, a bit unsettled, with more 70s for highs. Low temps this week after tonight should mostly be in the 40s and 50s. Snow looks more and more like it won't be around till next season... Chances for snow keeps fading as time marches on.

Sunday's precipitation: 0

March total precipitation: 0.57"

2012 annual YTD precipitation total: 5.26"

Seasonal snowfall: 4.9"

VP2 data for Sunday as follows :

High temp 65.1° (1721)

Low temp 30.9° (0428)

Obs temp tonight 46.6°

Relative humidity ranged from a max of 78% (0752) to a low of 27% (1709)

Dew point ranged from 34° to 22°.

Peak Wind Gust 15 MPH from the E (1447)

Pressures ranged from 30.59"(0905) to 30.39"(1844).

At midnight EDT obs the temp was 46.6° and partly cloudy. Winds Calm, barometer 30.41" and steady, humidity 58% with a dew point of 32°.

Currently at 0210 EDT the temp is 44.1°, Partly cloudy, Winds Calm, barometer 30.39" and steady, humidity 63% with a dew point of 32°.

The current radar is showing rain out in sections of the lower Midwest, including western KY and TN, eastern IN, northern half or so of IL, southern WI into sections of IA and MN. .

Kevin the Walrus from Gaithersburg Maryland, signing off early on Monday morning.

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NAM's got nothing in the way of thunderstorms or showers tomorrow night. Keeps a weak line up in PA during the evening. Has one line go through early tomorrow morning before dawn. Temps well into the 70s :sun:

SPC's 5% risk for tomorrow confused me a bit... I mean yeah it's warm and a cold front's coming through but the LCLs are fairly high with the WSW/W downsloping surface winds. ML lapse rates are mediocre at best so you could manage some non-severe wind and hail IF you get the storms to form. Wind shear's not too great, either. I could see the 5% risk for hail, but I'd like to see a better wind profile first.

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55-56 downtown now. I wonder if we can crack 70 and what the record is for consecutive 70 degree days in March

Like every March record it seems, 1945 takes the cake. 9 in a row to close the month and 16/17 from the 15th forward.

# of 70+ days in March

1945 - 16

1921 - 12

1946 - 11

1907 - 10

As soon ago as March 2001 we had no 70° days.

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Like every March record it seems, 1945 takes the cake. 9 in a row to close the month and 16/17 from the 15th forward.

# of 70+ days in March

1945 - 16

1921 - 12

1946 - 11

1907 - 10

As soon ago as March 2001 we had no 70° days.

1944-45 was one of our top analogs this winter but it didn't really end up being a good one. It was kind of cold, especially in the upper Midwest.

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Like every March record it seems, 1945 takes the cake. 9 in a row to close the month and 16/17 from the 15th forward.

# of 70+ days in March

1945 - 16

1921 - 12

1946 - 11

1907 - 10

As soon ago as March 2001 we had no 70° days.

58-59 downtown. I guess it depends on sunshine level. Presumably we have 4 hours of heating left.

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Like every March record it seems, 1945 takes the cake. 9 in a row to close the month and 16/17 from the 15th forward.

# of 70+ days in March

1945 - 16

1921 - 12

1946 - 11

1907 - 10

As soon ago as March 2001 we had no 70° days.

Can we do 9 days in a row? Probably pretty hard. I say we do 6-7

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