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Author: Jeff Taylor

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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Record-Wet 2018 Already for Several Maryland Locations

Record-Wet 2018 Already for Several Maryland Locations

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It has certainly been a wet year in the Free State, with several locations already exceeding their record-annual totals, mainly on the western side of the Chesapeake Bay. Some of these stations even have long-term periods-of-record so it’s not for lack of data that has allowed for the all-time totals. Here are the current National Weather Service Cooperative Observer Network and First-Order station totals as of this morning’s report (data either through the 13th or 14th, depending on how up-to-date…

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Baltimore’s Highest Rain Total at this Point in the Year

Baltimore’s Highest Rain Total at this Point in the Year

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The Baltimore Airport has recorded 2.22″ of rain today (as of the 5:00 P.M. EDT report), with a monthly total now of 6.31″ and bringing the annual total up to 51.57″ at this point in the calendar year.  This latter value supersedes the previous record of 50.63″ through Sept. 18, 1889 when official Baltimore records were kept at Holliday & E Baltimore Streets (SW Corner) at the Neal Office Building, near City Hall. The all-time full Calendar-Year record for Baltimore…

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Historic July Rains in Central Maryland

Historic July Rains in Central Maryland

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After a very dry start to July 2018 with only 0.03″ of rain through the 14th at the airport in Baltimore (Baltimore/Washington International Airport (BWI)), and just 0.41″ covering the 33-day period June 12 – July 14, 2018, historic amounts of rain began to fall in mid-July as a seemingly endless flow of moisture from the south occurred. Within the 10-day period July 16th-25th, 15.38″ fell at BWI, far exceeding any previous July total dating back to 1871 in the…

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2018: Maryland’s Record-Wettest & Third-Warmest Month of May

2018: Maryland’s Record-Wettest & Third-Warmest Month of May

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May of 2018 was the wettest ever recorded for Maryland as the Statewide average of 7.68” surpassed the previous record of 7.31”. The month actually started off quite dry through most of the first half (except for a fairly wet 2-day event from Frederick County and westward), then the deluges began, especially pummeling the Ellicott City area (Howard County and parts of Baltimore County), again, after this area was so devastated back in July 2016. Many news stations and newspapers…

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Baltimore’s Longest March Streak of Freezing Minimum Temperatures

Baltimore’s Longest March Streak of Freezing Minimum Temperatures

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For the 23 consecutive days from March 5th to March 27th, 2018, the Baltimore Airport (BWI) had minimum temperatures reach ≤32° each day, the longest such record for that location with a period-of-record back to 1951, as well as for the prior downtown locations dating back to 1871 in the historical record. The Average Minimum Temperature for this 23-day period was 28.5°, with a low temperature of 23° on both the 10th and 11th of the month. The minimum temperature at the…

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