Greenie Posted August 19, 2021 Share Posted August 19, 2021 Not sure what to call this but I live less than two miles from the airport in Bangor - where accurate weather readings are collected and are available online. I have a wired David rain gauge that I zeroed out a few days ago and was still zeroed. Yesterday I spent some time laying out a hose and sprinkler on our lawn only to have rain start 10 minutes later. It poured. According to the gauge 1/2" fell in 20 minutes, .77" fell during the entire storm - which lasted with only light showers for several hours. This morning the Davis Weather Wizard III read .77". As I always do, I checked with the BIA site https://w1.weather.gov/data/obhistory/KBGR.html and saw .02" during the entire storm. I've never seen such a big difference, so I looked at another resource https://www.cocorahs.org/ViewData/StateDailyPrecipReports.aspx?state=ME and saw no other nearby rainfall total even half of what we received. What happened? Did this storm form and then stall overhead? 1 Link to comment Share on other sites More sharing options...
tamarack Posted August 19, 2021 Share Posted August 19, 2021 18 minutes ago, Greenie said: Not sure what to call this but I live less than two miles from the airport in Bangor - where accurate weather readings are collected and are available online. I have a wired David rain gauge that I zeroed out a few days ago and was still zeroed. Yesterday I spent some time laying out a hose and sprinkler on our lawn only to have rain start 10 minutes later. It poured. According to the gauge 1/2" fell in 20 minutes, .77" fell during the entire storm - which lasted with only light showers for several hours. This morning the Davis Weather Wizard III read .77". As I always do, I checked with the BIA site https://w1.weather.gov/data/obhistory/KBGR.html and saw .02" during the entire storm. I've never seen such a big difference, so I looked at another resource https://www.cocorahs.org/ViewData/StateDailyPrecipReports.aspx?state=ME and saw no other nearby rainfall total even half of what we received. What happened? Did this storm form and then stall overhead? Isolated storms. A couple of Kennebec County sites about 25 miles to my south reported 1.90" and 1.42". No other cocorahs reports higher than 0.52" and I had only 0.19". Glad to see a poster from the Queen City. Maine beyond its SW 1/4 has been poorly represented in recent years. 1 Link to comment Share on other sites More sharing options...
dryslot Posted August 19, 2021 Share Posted August 19, 2021 3 hours ago, Greenie said: Not sure what to call this but I live less than two miles from the airport in Bangor - where accurate weather readings are collected and are available online. I have a wired David rain gauge that I zeroed out a few days ago and was still zeroed. Yesterday I spent some time laying out a hose and sprinkler on our lawn only to have rain start 10 minutes later. It poured. According to the gauge 1/2" fell in 20 minutes, .77" fell during the entire storm - which lasted with only light showers for several hours. This morning the Davis Weather Wizard III read .77". As I always do, I checked with the BIA site https://w1.weather.gov/data/obhistory/KBGR.html and saw .02" during the entire storm. I've never seen such a big difference, so I looked at another resource https://www.cocorahs.org/ViewData/StateDailyPrecipReports.aspx?state=ME and saw no other nearby rainfall total even half of what we received. What happened? Did this storm form and then stall overhead? Do you have a stratus gauge as well?, You can verify the two to see if there were drastic differences from the davis tipper or the manual gauge, Some of those cells yesterday looked to train for a time over the same areas north of here and DE towards your area. Link to comment Share on other sites More sharing options...
Greenie Posted August 19, 2021 Author Share Posted August 19, 2021 "Do you have a stratus gauge as well?, You can verify the two to see if there were drastic differences from the davis tipper or the manual gauge, Some of those cells yesterday looked to train for a time over the same areas north of here and DE towards your area." No other gauge but the airport is 1 1/2 miles away. I've made a habit out of recording my total accumulation vs BIA. The two are never the same but usually in the ballpark sometimes my amount is higher, sometimes BIA ... but not by this much. If I keep seeing large differences I can pick up a manual plastic gauge to check. BTW... Accuweather has revised tonight's rainfall to 1.75" Link to comment Share on other sites More sharing options...
tamarack Posted August 19, 2021 Share Posted August 19, 2021 Don't know what the airport measured, but on cocorahs "Bangor 2.1 N" reported 0.30" and no one in Penobscot County reported more than 0.43". Link to comment Share on other sites More sharing options...
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