West Rockville MD Weather

Well as promised I bring you the report for the first 3 days of May. Temps have been going up and down depending on the position of the warm front swaying to and fro here in the mid-Atlantic states. And with the frontal boundary close by, showers and thunderstorms have become more numerous the past two days.  There was a total of 0.75″ of precipitation falling on Thursday May 2 and Friday May 3. No rain fell on Wednesday, May…

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Well I got behind again big time. I will post a necessarily short report here to cover the rest of April, and then try and resume with a more normal schedule for May. It was a bit of a wetter period than earlier April, with some severe weather on a few days during the period. No real extremes of temperature on either end of the spectrum was noted.  There was a total of 1.44″ of precipitation through the Friday, April…

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Word from John Markle of Interior Alaska received in late April on the warm weather Alaska has been recently experiencing. Feel free to comment on it and I will pass them on to John. Pass this along to Nathan and the Weather Together folks if you want.  Hi Kevin  Well I am not as  smart as the scientists are but a lot of this warmth is coming from the tropics.  Majority of the winter the  wind flow was from the…

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MARCH 2019 MONTHLY SUMMARY ROCKVILLE 2.8 WNW MARYLAND by Kevin Shaw, Observer   March 2019 wound up about normal for temperatures (cooler than normal max temps balanced out by warmer than normal min temps)  based on new normals for my station developed out of the Oregon State Univ. PRISM program. My max temp (51.7°) was 1.8° below normal but my min temp (35.1°) was 1.7° above normal, resulting in the mean temperature (43.4°) to be normal. My total precipitation of…

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Well I got behind again as I had to finish up my March data summary spreadsheet and analysis the past few days. So I have briefly summarized the past 3 days ahead of a very active, stormy Friday upcoming. No measurable rain fell during this three day period.  Tuesday featured seasonable temps and partly cloudy skies  Temps in the low 40s early rose to the mid 60s by mid-afternoon. The maximum temperature was 65.4° at 1623. The minimum temperature was…

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Monday featured early AM clouds, warm temps and frontal showers (0.12″ – from 0100 to 0245 approx). Temps in the low 70s in the first few hours gradually dropped off under increasing NW breezes (post-frontal) to the mid 40s by late evening.   Clouds gradually gave way to sun at times, but blustery, unsettled skies kept quite a bit of clouds in during most of the daylight hours. Storms in the region kept up during the first few hours of the…

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Sunday featured more clouds and damp conditions, with late afternoon/early evening showers (0.08″) that were convective in nature, and in areas just 20 miles to my north, severe, with a radar indicated possible tornado just south of Frederick in the Urbana/New Market area. Ground truth confirmation has not come in yet.  If daylight shows damage, NWS may send out a survey team to assess the situation if it was a tornado or not. Other areas of the region also experienced…

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Saturday was mostly cloudy/foggy and somewhat wet (0.11″) early AM, then warmer and drier with partly cloudy skies during the afternoon, then clouding up in the evening once again. High temps reached into the mid 70s by mid-afternoon, after early AM lows in the lower 60s.  Dense fog developed about 0715 and persisted till about 0845 when it started to lift out. Please see today’s featured image for a glimpse at what it looked like at the height of this…

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Friday was cloudy, milder and wetter with high temps in the upper 60s by mid-day, before early AM lows in the upper 40s. Light rain started to fall in the early afternoon and lasted till mid-evening, becoming heavier at the end with a rumble of thunder at times (total of 0.36″ for the day).  The maximum temperature was 68.2° at 1226. The minimum temperature was 47.8° at 0228. The dew point temperatures ranged from a low of 43° @ 0000…

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Thursday was mostly cloudy and cooler with high temps only in the upper 50s at the very beginning of the day, falling into the mid 40s by mid-morning and remaining around 50° the rest of the day.  The maximum temperature was 58.3° at 0001. The minimum temperature was 45.3° at 0707. The dew point temperatures ranged from a low of 31° @ 0645 up to a high of 44° @ 1811. The relative humidity values ranged from a low of 41%…

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