Alert archive / Colorado / Winter Storm Warnings in 2024
Winter Storm Warning 20, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Dec 28, 2024, 1:52 PM MST for Grand County, Jackson County, Colorado. It took effect at Dec 29, 2024, 8:00 PM MST. It was in force for 21 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 28, 2024, 1:52 PM MST (20:52 UTC)
- In effect from
- Dec 29, 2024, 8:00 PM MST
- Expired
- Dec 30, 2024, 5:00 PM MST
- In force
- 21 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Grand County, CO, Jackson County, CO
The radar
The Cheyenne radar (KCYS), 147 km from the middle of the area, began a volume at 20:56 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.
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter storm warning went out at Dec 28, 11:07 AM MST, 2 hours 45 minutes earlier.
Area forecast discussion, Dec 28, 11:07 AM MST, 2 hours 45 minutes before
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</html>Hazardous weather outlook, Dec 28, 11:04 AM MST, 2 hours 48 minutes before
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<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 1:52 PM MST | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 51 hr |
| Dec 28, 2:12 PM MST | High Wind Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 24 hr |
| Dec 28, 2:27 PM MST | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 8 more | 13 hr |
Nearby
Winter Storm Warnings in Colorado, 2024Every winter storm 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.