Alert archive / Colorado / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 16, NWS Denver/Boulder, CO

April 24, 2025Lincoln County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Apr 24, 2025, 6:14 PM MDT for Lincoln County, Colorado. It was in force for 31 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: Apr 24, 2025, 6:14 PM MDT (00:14 UTC)
Expired: Apr 24, 2025, 6:45 PM MDT
In force: 31 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

County Lincoln County, CO

The radar

The Pueblo radar (KPUX), 82 km from the middle of the area, began a volume at 00:16 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
Apr 24, 3:37 PM MDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.2 hours before the alert went out and 343 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1255 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1377 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

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.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 24, 5:48 PM MDT, 26 minutes earlier.

Area forecast discussion, Apr 24, 5:48 PM MDT, 26 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Apr 24, 10:24 AM MDT, 7 hours 50 minutes before

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1024 AM MDT Thu Apr 24 2025

COZ030>051-251630-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1024 AM MDT Thu Apr 24 2025

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

Scattered thunderstorms are expected to develop this afternoon
and continue into the evening hours. A few strong to severe storms
are expected over the Front Range and nearby plains, mainly west
of a line form Fort Morgan to Limon to the base of the foothills.
Large hail up to golfball size will be the main threat, but
isolated damaging winds and a brief tornado will be possible as
well.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Cooler Friday with potential for fog across the lower elevations.
Critical fire weather conditions are likely come Sunday under
warm, dry and breezy conditions.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may needed mid afternoon to early evening. Any
reports of severe weather will be appreciated.

In the hours before

Local storm report, Apr 24, 3:51 PM MDT, 2 hours 23 minutes before

Preliminary Local Storm Report
National Weather Service Denver CO
351 PM MDT Thu Apr 24 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0300 PM     Tornado          1 E Ponderosa Park      39.40N 104.61W
04/24/2025                   Elbert             CO   Fire Dept/Rescue

&&

Local storm report, Apr 24, 4:09 PM MDT, 2 hours 5 minutes before

Preliminary Local Storm Report
National Weather Service Denver CO
409 PM MDT Thu Apr 24 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0250 PM     Tstm Wnd Gst     2 NNW Ponderosa Park    39.42N 104.66W
04/24/2025  E62 MPH          Elbert             CO   Mesonet

0254 PM     Tstm Wnd Gst     1 ENE Ponderosa Park    39.40N 104.62W
04/24/2025  M65 MPH          Elbert             CO   Mesonet

0255 PM     Tstm Wnd Gst     1 E Ponderosa Park      39.40N 104.62W
04/24/2025  M76 MPH          Elbert             CO   Mesonet

0257 PM     Tstm Wnd Gst     1 E Ponderosa Park      39.40N 104.62W
04/24/2025  M76 MPH          Elbert             CO   Mesonet

&&

Local storm report, Apr 24, 4:11 PM MDT, 2 hours 3 minutes before

Preliminary Local Storm Report...Summary
National Weather Service Denver CO
411 PM MDT Thu Apr 24 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0246 PM     Hail             2 SW The Pinery         39.44N 104.77W
04/24/2025  M0.75 Inch       Douglas            CO   Public

0250 PM     Tstm Wnd Gst     2 NNW Ponderosa Park    39.42N 104.66W
04/24/2025  E62 MPH          Elbert             CO   Mesonet

0254 PM     Tstm Wnd Gst     1 ENE Ponderosa Park    39.40N 104.62W
04/24/2025  M65 MPH          Elbert             CO   Mesonet

0255 PM     Tstm Wnd Gst     1 E Ponderosa Park      39.40N 104.62W
04/24/2025  M76 MPH          Elbert             CO   Mesonet

0257 PM     Tstm Wnd Gst     1 E Ponderosa Park      39.40N 104.62W
04/24/2025  M76 MPH          Elbert             CO   Mesonet

0300 PM     Tornado          1 E Ponderosa Park      39.40N 104.61W
04/24/2025                   Elbert             CO   Fire Dept/Rescue

0328 PM     Hail             6 NNW Hudson            40.15N 104.68W
04/24/2025  E0.88 Inch       Weld               CO   Public

0338 PM     Hail             2 WNW Hudson            40.08N 104.68W
04/24/2025  E1.00 Inch       Weld               CO   Public

&&

Local storm report, Apr 24, 4:32 PM MDT, 1 hour 42 minutes before

Preliminary Local Storm Report
National Weather Service Denver CO
432 PM MDT Thu Apr 24 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0432 PM     Hail             3 W Gill                40.44N 104.58W
04/24/2025  E0.88 Inch       Weld               CO   Trained Spotter

&&

Local storm report, Apr 24, 4:42 PM MDT, 1 hour 32 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Apr 24, 5:01 PM MDT, 1 hour 13 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 24, 6:42 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	33 min
Apr 24, 7:28 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	32 min
Apr 24, 7:39 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	21 min
Apr 24, 8:08 PM MDT	Special Weather Statement	BOU	Crowley	37 min
Apr 25, 2:15 PM MDT	Fire Weather Watch	BOU	Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 5 more	24 hr

Nearby

Severe Thunderstorm Warnings in Colorado, 2025 Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.