Colorado storm reports for September 11, 2019

Name: NOAA storm reports, Colorado, September 11, 2019
Creator: NOAA/NWS Storm Prediction Center

NOAA recorded 44 hail reports, 1 wind report and 2 tornado reports in Colorado on September 11, 2019.

in Colorado; 47
Storm reports: Near 40.62, -103.25, CO; 3.25 in
Largest hail: Near 40.86, -102.80, CO; 61 mph
Highest gust: Highest rating EF2, near 40.73, -103.00, CO; 2
Tornado reports

Hail, inches

0.75
1
1.5
2
2.5
3+

Dots: reports.

Wind report
Tornado and its path
Surveyed tornado path

Sources: NOAA/NWS Storm Prediction Center reports; damage surveys from the NWS Damage Assessment Toolkit

Hail, inches

0.75
1
1.5
2
2.5
3+

Dots: reports.

Wind report
Tornado and its path
Surveyed tornado path

Source: NOAA/NWS Storm Prediction Center, final severe weather database (from NOAA's Storm Data). Report day: 12:00 UTC on September 11, 2019 to 12:00 UTC the next day. Times are Central.

Select a dot or a path for the report. NWS survey teams walked the shaded paths after the storm; each is drawn at the widest width they found, so it can look wider than the damage at any one spot.

Reports by hour

Hail44, most at 7 PM

Wind1, most at 8 PM

Tornado2, most at 7 PM

Reports per hour, Central time. Each row has its own scale.

Every report

Source: NOAA/NWS Storm Prediction Center.

Time	Rating	Where	Path
7:58 PM	EF2	Near 40.73, -103.00, CO	0.5 mi long, 440 yd wide
8:00 PM	EF2	Near 40.71, -102.95, CO	0.1 mi long, 75 yd wide

Time	Size	Where
5:25 PM	1.5 in	Near 38.81, -102.09, CO
5:27 PM	1.5 in	About 15 miles from Boulder, CO
5:27 PM	1.0 in	About 10 miles from Boulder, CO
5:28 PM	1.0 in	About 13 miles from Boulder, CO
5:30 PM	1.0 in	About 14 miles from Boulder, CO
5:34 PM	1.0 in	About 13 miles from Boulder, CO
5:37 PM	1.25 in	About 13 miles from Boulder, CO
5:52 PM	1.0 in	Near 39.55, -107.64, CO
6:03 PM	1.0 in	About 7 miles from Greeley, CO
6:05 PM	1.25 in	About 6 miles from Greeley, CO
6:06 PM	1.25 in	In Greeley, CO
6:10 PM	1.0 in	In Greeley, CO

Show all 44 hail reports

Time	Size	Where
6:12 PM	1.0 in	In Greeley, CO
6:17 PM	1.0 in	About 4 miles from Greeley, CO
6:20 PM	1.25 in	In Greeley, CO
6:22 PM	1.75 in	About 2 miles from Greeley, CO
6:26 PM	1.5 in	About 3 miles from Greeley, CO
6:56 PM	1.0 in	About 17 miles from Boulder, CO
6:57 PM	1.0 in	About 17 miles from Boulder, CO
7:00 PM	1.0 in	About 17 miles from Boulder, CO
7:05 PM	1.0 in	About 6 miles from Boulder, CO
7:10 PM	1.5 in	About 9 miles from Boulder, CO
7:11 PM	1.0 in	About 18 miles from Boulder, CO
7:13 PM	1.0 in	About 12 miles from Boulder, CO
7:14 PM	1.0 in	About 12 miles from Boulder, CO
7:17 PM	2.75 in	About 45 miles from Greeley, CO
7:18 PM	1.5 in	About 17 miles from Boulder, CO
7:30 PM	2.75 in	About 50 miles from Greeley, CO
7:30 PM	1.5 in	About 51 miles from Greeley, CO
7:49 PM	1.5 in	Near 40.67, -103.51, CO
7:57 PM	2.75 in	Near 40.64, -103.21, CO
7:58 PM	2.5 in	Near 40.71, -103.22, CO
7:58 PM	1.5 in	Near 40.63, -103.21, CO
8:00 PM	3.0 in	Near 40.63, -103.21, CO
8:00 PM	2.75 in	Near 40.63, -103.21, CO
8:01 PM	3.25 in	Near 40.62, -103.25, CO
8:04 PM	1.25 in	Near 40.63, -103.23, CO
8:12 PM	1.5 in	About 9 miles from Boulder, CO
8:16 PM	1.75 in	Near 40.76, -103.06, CO
8:35 PM	2.5 in	Near 40.74, -102.46, CO
8:45 PM	3.0 in	Near 40.65, -102.38, CO
8:56 PM	1.75 in	Near 40.74, -102.27, CO
9:00 PM	1.75 in	Near 40.72, -102.07, CO
9:08 PM	1.75 in	Near 40.81, -102.10, CO

Cities with reports nearby

Reports within 15 miles of the center of each city we track.

City	Largest hail	Highest gust	Tornado reports
Greeley, CO	1.75 in	None	0
Boulder, CO	1.5 in	None	0

Reports are what observers recorded near a location, not a complete record of every storm. They don’t describe conditions at any building.