WEST ROCKVILLE MARYLAND WEATHER UPDATE – WEDNESDAY JULY 28, 2021

WEST ROCKVILLE MARYLAND WEATHER UPDATE – WEDNESDAY JULY 28, 2021

Wednesday was a bit less hot than Tuesday with dew points lowering a bit into the 60s most of the day. We warmed up to the upper 80s by early mid-afternoon. The day
was predominately partly to mostly cloudy skies with evening thunderstorms featuring more of gusty winds, vivid lightning and loud thunder rather than heavy rain. The daily
minimum temperature around 70 was reached in the early morning just before sunrise.

The peak winds (33 MPH) were strong in the mid-evening thunderstorms, maintaining a northwesterly direction in the evening convective activity. Barometric pressures
were highest in the mid-evening thunderstorm activity while the lowest was only a few hours earlier in the early evening before the surprise storms moved in.

My birthday Thursday should be partly sunny, hot and humid with highs around 90 and lows around 70 with showers and storms, some possibly severe especially in the
early-mid evening. Friday and Saturday should be a bit cooler and dry, with highs in the mid 80s and lows in the upper 50s to low 60s. Sunday and Monday should cool
off a bit more, with low 80s for highs and low 60s for lows with a chance of late day showers on Sunday.

Statistics for Wednesday:

High temp 89.2 at 1405

Low temp 70.7 at 0535

Max humidity 90% at 2257

Min humidity 47% at 1407

Max dew point 70 at 1405

Min dew point 64 at 0537

Max barometric pressure 30.03″ at 2222

Low barometric pressure 29.94″ at 1855

Peak Wind Gust (PWG) 33 MPH from the NW at 2122

Wednesday’s average daily wind speed 5.0 (BWI) 5.1 (IAD)

Wednesday’s average sky cover 0.2 (BWI) 0.2 (IAD)

Daily total precipitation 0.15 (BWI 0 IAD 0 – note only through 1700 EDT today)

July total precipitation 3.32″

Year-to-date total precipitation 17.61″

Sunrise 0607 (EDT)

Sunset 2024 (EDT)

Moon Waning Gibbous

Currently at 1245 AM EDT Thursday we have cloudy skies with a temperature of 71.5, barometer 30.01″ and rising, relative humidity 90%, dew point 69, winds WNW at 0-5 MPH. No rain has fallen since midnight into the tipping bucket VP2 gauge at the USG site across the street from me.

The attached image for today shows last Saturday (7/17) afternoon’s thunderstorm clouds building out my bedroom window.

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