To: All F2P2 Partners
In compiling our notes for this year, we wanted to give everyone a chance to weigh-in on
any flooding events that may have impacted your communities or you personally. As most of
you already know, 2020 had very few rainstorms capable of causing serious flood impacts
making this year our least impactful since the F2P2 began 42 years ago.
To help with your recall, here are the storm dates that likely produced daily rainfall
amounts of 2" or more:
DATE
LOCATION(s) POTENTIALLY IMPACTED
NOTES*
May 24
General widespread, low intensity rainfall
max GARR >3.29", no rain alarms
Jun 26
Arapaho, Boulder, Denver, Douglas & Jefferson Counties including Aurora and Lakewood
max GARR >2.97", greatest number of rain
alarms<https://f2p2.udfcd.org/2020_summary/06-27-2020_RFRA.pdf> for a single day in
2020
Jul 4
Aurora & southern Douglas County
max GARR >3.41"
Jul 9
Adams County (Barr Lake area northwest of DIA)
max GARR
>2"<https://udfcd.org/FWP/floodhistory/2020storms/2020jul9rainfall.jpg>, no
rain alarms
Jul 19
extreme SE Aurora & Arapahoe County
max GARR >1.96"
*For more details and other storm days see
https://f2p2.udfcd.org/2020_summary.html
Intense rainfall exceeding 3 inch-per-hour rates occurred on other days , but total
rainfall for those days was under 2 inches.
Any information you can send us will be most appreciated. Thank you for all you do to keep
your communities safe.
________________________________
Final closing climate trivia...2020 was Colorado's 3rd driest year on record.
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https://www.ncdc.noaa.gov/temp-and-precip/us-maps/6/202009?products[]=sta...
Kevin Stewart, P.E.
Engineering Services Manager
MILE HIGH FLOOD DISTRICT
2480 W. 26th Ave Suite 156-B | Denver, Colorado 80211
Office: 303-455-6277 | Direct: 303-749-5417 |
www.mhfd.org<http://www.mhfd.org>
Protecting People, Property, and our Environment
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