Alert archive / Colorado / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 249, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 13, 2024, 6:35 PM MDT for Washington County, Colorado. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2024, 6:35 PM MDT (00:35 UTC)
- Expired
- Aug 13, 2024, 7:15 PM MDT
- In force
- 40 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
County Washington County, CO
The radar
The Denver radar (KFTG), 117 km from the middle of the area, began a volume at 00:34 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 13, 4:52 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Aug 13, 6:00 PM MDT, 35 minutes before
Preliminary Local Storm Report...Summary
National Weather Service Denver CO
600 PM MDT Tue Aug 13 2024
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0528 PM Tstm Wnd Gst 2 ENE Deer Trail 39.62N 104.00W
08/13/2024 M60 MPH Arapahoe CO Mesonet
0450 PM Tstm Wnd Gst 8 WNW Hoyt Beet Dump 40.13N 104.19W
08/13/2024 M58 MPH Weld CO Mesonet
0448 PM Tstm Wnd Gst 6 ESE Byers 39.69N 104.12W
08/13/2024 M73 MPH Arapahoe CO Mesonet
0415 PM Tstm Wnd Gst 2 WNW Cornish 40.53N 104.46W
08/13/2024 M59 MPH Weld CO Mesonet
0350 PM Tstm Wnd Gst 4 NE Elizabeth 39.40N 104.55W
08/13/2024 M58 MPH Elbert CO Mesonet
Mesonet station DW4786 Elizabeth.
0346 PM Tstm Wnd Gst 5 NE Ponderosa Park 39.44N 104.55W
08/13/2024 M65 MPH Elbert CO Mesonet
0344 PM Tstm Wnd Gst 4 NE Elizabeth 39.41N 104.56W
08/13/2024 M67 MPH Elbert CO Public
0256 PM Tornado 4 NW Broomfield 39.96N 105.07W
08/13/2024 Boulder CO Storm Chaser
Corrects previous tornado report from 2 NW
Broomfield. Brief Landspout Tornado. Lasted
less than a minute.
&&Local storm report, Aug 13, 6:33 PM MDT, 2 minutes before
Preliminary Local Storm Report
National Weather Service Denver CO
633 PM MDT Tue Aug 13 2024
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0624 PM Tstm Wnd Gst 1 NNW Akron 40.17N 103.22W
08/13/2024 M61 MPH Washington CO AWOS
AWOS station KAKO Akron.
&&The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 6:02 PM MDT | Areal Flood Advisory | BOU | Arapahoe, Elbert | 28 min |
| Aug 13, 6:06 PM MDT | Tornado Warning | BOU | Washington | 24 min |
| Aug 13, 6:15 PM MDT | Flash Flood Warning | BOU | Jefferson | 58 min |
| Aug 13, 6:15 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 45 min |
| Aug 13, 6:30 PM MDT | Flash Flood Warning | BOU | Arapahoe, Elbert, Lincoln | 95 min |
| Aug 13, 6:34 PM MDT | Areal Flood Advisory | BOU | Morgan, Washington | 3 hr |
| Aug 13, 6:46 PM MDT | Areal Flood Advisory | BOU | Logan, Morgan, Washington | 3 hr |
| Aug 13, 6:59 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 46 min |
| Aug 13, 7:12 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 33 min |
| Aug 13, 7:13 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 32 min |
| Aug 13, 7:24 PM MDT | Areal Flood Advisory | BOU | Washington | 3 hr |
| Aug 13, 7:25 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 50 min |
| Aug 13, 7:31 PM MDT | Tornado Warning | BOU | Washington | 29 min |
| Aug 13, 8:07 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 23 min |
| Aug 14, 12:45 PM MDT | Areal Flood Warning | BOU | Logan | 20 hr |
| Aug 14, 3:29 PM MDT | Special Weather Statement | BOU | Broomfield | 46 min |
| Aug 14, 3:39 PM MDT | Areal Flood Advisory | BOU | Weld | 3 hr |
Nearby
Severe Thunderstorm Warnings in Colorado, 2024Every severe thunderstorm warning in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.