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Category: Record Weather

RECORD RAINFALL FOR THE DC/BALTIMORE METRO ON 4/13/2020

RECORD RAINFALL FOR THE DC/BALTIMORE METRO ON 4/13/2020

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The storms that swept through the area on Monday, April 13, 2020 brought a National Weather Service-confirmed EF-1 Tornado to Frizzellburg (between Westminster and Taneytown in north-central Maryland), and very strong winds and subsequent damage (gusts to greater than 70 MPH!) to many parts of the DC/Baltimore Metro Area, and also record daily rainfall. Both Washington and Dulles basically doubled their previous record amounts (Washington’s official historical record dating back 150 years!). Here are the area’s three major airport record precipitation…

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Baltimore Sets Two Consecutive August Maximum Temperature Records

Baltimore Sets Two Consecutive August Maximum Temperature Records

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With an official temperature archive dating back to 1872, it’s rather difficult for Baltimore to set two consecutive maximum temperature records in the month of August. However, that is exactly what happened over the previous two days as the airport reached 96° on the 18th (tying the records from 2002, 1995, and 1965), then again on the 19th as the temperature soared to 99°, exceeding the previous record of 97° from way back in 1914. Granted, these were the two…

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Baltimore’s Weather Review of 2018

Baltimore’s Weather Review of 2018

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Precipitation was the name of the game in 2018. Baltimore set many records, including the greatest all-time calendar-year total with 71.82″ at Baltimore/Washington International Thurgood Marshall Airport (BWI). This is most impressive considering official precipitation records began in downtown Baltimore back in 1871 (official records were shifted to the airport in August 1950) so this is the highest annual total in the last 147 years! If we were to include the pre-National Weather Service data recorded from 1817-1870 (from various…

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MARYLAND STATE ANNUAL PRECIPITATION RECORD – 2018 FINAL REPORT

MARYLAND STATE ANNUAL PRECIPITATION RECORD – 2018 FINAL REPORT

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  The final 2018 data tables were updated on 5/22/2019 for Maryland’s all-time record precipitation year. With the release of the “Maryland and Delaware Climatological Data Annual Summary” by the National Centers for Environmental Information (NCEI), in conjunction with data from the Applied Climate Information System database (ACIS) from the NOAA Regional Climate Centers, these final numbers could finally be verified. Not only did Maryland set its all-time annual total (the 84.56″ at Catonsville was investigated and verifed by the…

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BALTIMORE BREAKS ITS ANNUAL PRECIPITATION RECORD

BALTIMORE BREAKS ITS ANNUAL PRECIPITATION RECORD

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November 15, 2018 was the day that Baltimore set its long-term record for greatest total precipitation in a calendar year. With 1.33″ of liquid precipitation being recorded by midnight, the 2018 total has now reached 63.01″, breaking the previous record of 62.66″ set in 2003. This data includes the official downtown locations from Jan. 1871 to July 1950, then Baltimore-Washington (nee Friendship) International Airport thereafter. With 6 weeks to go, any new precipitation will be gravy (not literally, and probably…

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Christmas-into-the-New-Year Extreme Cold in Maryland

Christmas-into-the-New-Year Extreme Cold in Maryland

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Now that the cold weather has abated, for now, here are a few things that I’ve discovered occurred during this extended period from Christmastime through the first week of January: It wasn’t the coldest weather that has ever occurred in the state. It wasn’t the lengthiest cold weather to ever occur here. Though it wasn’t the coldest period, it kinda was in several ways. Some cold temperature records were broken but not many. Though the cold may not have been…

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Baltimore and Washington: Extreme Precipitation Within Their Political Boundaries

Baltimore and Washington: Extreme Precipitation Within Their Political Boundaries

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Most larger U.S. cities have one “official” National Weather Service (NWS) weather station for which climate data is recorded and archived. As we weather geeks know, that one location can be very unrepresentative of weather conditions compared with other parts of a city, especially as related to precipitation. Elevation and varying urbanization can provide great differences in temperatures while thunderstorms can drop prodigious amounts of rain in one part of a city, while other areas stay dry. This got me thinking…

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