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> 0.6" RADAR ESTIMATE
OR 0.5" GAUGED IN FORECAST AREA |
|
Event |
Date |
Max ALERT |
Max CoCoRaHS |
QPE STP |
Note |
ADAM |
ARAP |
AURA |
BLDR |
BROM |
DENV |
DOUG |
JEFF |
|
1 |
07-MAY
|
1.85 |
|
>
3.0 |
Surprise early morning storm. QPE was not gauge corrected during event due to ALERT server problem. Event took place during CoCoRaHS gauge reading time so it would be difficult to use since some people may have read their gauge before it rained others after |
X |
X |
X |
X |
X |
X |
X |
X |
|
2
|
22-MAY
|
0.31 |
0.37 |
>
0.8 |
A dry line moved through the District in the late morning and early afternoon. |
|
|
|
|
|
|
|
X |
|
3
|
02-JUN
|
0.28 |
0.26 |
>
1.0 |
No QPE available due to KFTG radar upgrade. |
|
X |
X |
|
|
|
|
|
|
4
|
04-JUN
|
0.75 |
1.46 |
>
1.5 |
Training was experienced over N Jefferson, SE Boulder, NW Adams and Broomfield Counties |
X |
X |
|
X |
X |
|
X |
X |
|
5
|
05-JUN
|
1.14 |
1.01 |
>
1.25 |
Rain showers and thunderstorms were experienced during the day but cool temperatures and fast movement of cells limited observed point rainfall amounts to 0.30" in 10-20 minutes |
|
|
|
X |
|
|
|
|
|
6
|
06-JUL
|
1.89 |
1.53 |
>
2.0 |
Several storms tracked from SW to NE in and around the District |
X |
X |
X |
|
|
|
X |
|
|
7
|
08-JUL
|
0.63 |
1.46 |
>
2.0 |
Moderate and strong thunderstorms were experienced across the eastern portions of the District. Storms moved slowly to the ESE |
X |
X |
X |
|
|
X |
X |
|
|
8
|
17-JUL
|
0.20 |
0.28 |
>
0.8 |
Weak to moderate thunderstorm cells developed over Adams and Broomfield counties due to an outflow boundary. Storms quickly weakened due to cool surface temperatures caused by the boundary. |
|
|
|
|
|
|
X |
|
|
9
|
18-JUL
|
0.63 |
1.46 |
>
1.0 |
Moderate to strong thunderstorm cells developed over Douglas, Arapahoe and Jefferson counties due to an outflow boundary. Storms moved fairly quickly to the east. Fast movement of cells kept point rainfall amounts below 1.00".
|
|
|
|
|
|
|
X |
X
|
|
10
|
23-JUL
|
0.59 |
0.96 |
>
1.25 |
Moderate to strong thunderstorm cells developed over Douglas, Arapahoe and extreme southern Adams Counties due to the outflow boundary. Storms moved slowly to the east/southeast, exiting the District around 430 PM. Moderate to heavy rainfall was observed across central and northeast Douglas and western Arapahoe Counties.
|
|
|
|
|
|
X |
X |
X
|
|
11
|
24-JUL
|
0.45 |
0.74 |
>
1.25 |
Moderate and strong thunderstorm cells developed over Jefferson County due to the outflow boundary and slowly moved to the east. Moderate to heavy rainfall was observed across central Jefferson, southwest Denver, western Arapahoe and southeast Adams Counties.
|
X |
X |
X |
|
|
|
|
|
|
12
|
25-JUL
|
0.51 |
0.55 |
>
1.0 |
A northward moving outflow boundary from thunderstorm cells in Jefferson and Douglas Counties initiated additional thunderstorm cells across central Jefferson, western Denver, western Adams and Boulder Counties. A southward moving outflow boundary from thunderstorm cells in Weld county initiated thunderstorm cells over Adams, northeast Denver, and Arapahoe Counties. Moderate to heavy rainfall was observed across central and eastern Jefferson, west Denver, northwest Douglas, Arapahoe, Adams and northeast Denver Counties.
|
X |
X |
|
X |
|
X |
X |
X
|
|
13
|
26-JUL
|
0.16 |
0.30 |
>
1.0 |
|
|
|
|
|
|
|
X |
|
|
14
|
05-AUG
|
1.54 |
1.22 |
>
2.5 |
|
X |
X |
X |
X
|
X
|
X |
X |
X
|
|
15
|
06-AUG
|
2.54 |
2.28 |
>
2.5 |
Message 2 Day
|
X |
X |
X |
X
|
X
|
X |
X |
X
|
16
|
07-AUG
|
0.16 |
0.15 |
>
0.2 |
Message 2 Day
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