Alert archive / Oregon / Red Flag Warnings in 2025

Red Flag Warning 22, NWS Medford, OR

August 25, 20258 counties in Oregon; Modoc County, Siskiyou County, California

NWS Medford, OR issued this red flag warning at Aug 25, 2025, 1:53 PM PDT for 8 counties in Oregon; Modoc County, Siskiyou County, California. It took effect at Aug 26, 2025, 1:00 PM PDT. It was in force for 8 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: Aug 25, 2025, 1:53 PM PDT (20:53 UTC)
In effect from: Aug 26, 2025, 1:00 PM PDT
Expired: Aug 26, 2025, 9:00 PM PDT
In force: 8 hr
Issued by: NWS Medford, OR

Counties Modoc County, CA, Siskiyou County, CA, Curry County, OR, Douglas County, OR, Harney County, OR, Jackson County, OR, Josephine County, OR, Klamath County, OR, Lake County, OR, Lane County, OR

The radar

The Medford radar (KMAX), 80 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.

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 8.9 hours before the alert went out and 470 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: 29 J/kg
Mixed-layer CIN: -338 J/kg
Mixed-layer LCL: 1472 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Medford, OR wrote its last area forecast discussion before this red flag warning went out at Aug 25, 10:55 AM PDT, 2 hours 58 minutes earlier.

Area forecast discussion, Aug 25, 10:55 AM PDT, 2 hours 58 minutes before

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In the hours before

Local storm report, Aug 25, 8:13 AM PDT, 5 hours 40 minutes before

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  <meta charset="utf-8">
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  <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.
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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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The office that day

Everything else NWS Medford, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 24, 5:58 PM PDT	Special Weather Statement	MFR	Klamath	32 min
Aug 24, 6:35 PM PDT	Special Weather Statement	MFR	Jackson	25 min
Aug 25, 2:53 PM PDT	Special Weather Statement	MFR	Klamath	22 min
Aug 25, 3:29 PM PDT	Special Weather Statement	MFR	Josephine	31 min
Aug 25, 3:58 PM PDT	Special Weather Statement	MFR		32 min
Aug 25, 4:29 PM PDT	Special Weather Statement	MFR		31 min
Aug 25, 4:31 PM PDT	Special Weather Statement	MFR	Josephine	29 min
Aug 24, 5:07 PM PDT	Special Weather Statement	MFR	Siskiyou	23 min
Aug 24, 5:12 PM PDT	Special Weather Statement	MFR	Siskiyou	33 min
Aug 24, 5:29 PM PDT	Special Weather Statement	MFR	Siskiyou	31 min
Aug 24, 5:47 PM PDT	Special Weather Statement	MFR	Siskiyou	28 min

Nearby

Red Flag Warnings in Oregon, 2025 Red Flag Warnings in California, 2025 Every red flag 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.