Alert archive / California / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 7, NWS Medford, OR

June 10, 2025Siskiyou County, California

NWS Medford, OR issued this severe thunderstorm warning at Jun 10, 2025, 9:05 PM PDT for Siskiyou County, California. 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: Jun 10, 2025, 9:05 PM PDT (04:05 UTC)
Expired: Jun 10, 2025, 9:45 PM PDT
In force: 40 min
Issued by: NWS Medford, OR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Siskiyou County, CA

The radar

The Medford radar (KMAX), 56 km from the middle of the area, began a volume at 04:07 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

Medford/Jackson, OR (KMFR), launched 00:00Z, 4.1 hours before the alert went out and 89 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: 193 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 3141 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 108 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 severe thunderstorm 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 severe thunderstorm warning went out at Jun 10, 4:39 PM PDT, 4 hours 26 minutes earlier.

Area forecast discussion, Jun 10, 4:39 PM PDT, 4 hours 26 minutes before

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In the hours before

Special weather statement, Jun 10, 3:22 PM PDT, 5 hours 43 minutes before

Special Weather Statement
National Weather Service Medford OR
322 PM PDT Tue Jun 10 2025

CAZ083-084-102245-
North Central and Southeast Siskiyou County CA-
Northeast Siskiyou and Northwest Modoc Counties CA-
322 PM PDT Tue Jun 10 2025

...A strong thunderstorm will impact portions of east central
Siskiyou County through 345 PM PDT
...

At 322 PM PDT, Doppler radar was tracking a strong thunderstorm over
Tennant, or 26 miles northeast of Mount Shasta. This storm was nearly
stationary.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Tennant, Four Corners Snow Park, and Bray.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4151 12198 4157 12207 4178 12194 4161 12164
TIME...MOT...LOC 2222Z 219DEG 4KT 4159 12195

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

ANH

Special weather statement, Jun 10, 3:42 PM PDT, 5 hours 23 minutes before

Special Weather Statement
National Weather Service Medford OR
342 PM PDT Tue Jun 10 2025

CAZ083-084-102330-
North Central and Southeast Siskiyou County CA-
Northeast Siskiyou and Northwest Modoc Counties CA-
342 PM PDT Tue Jun 10 2025

...A strong thunderstorm will impact portions of east central
Siskiyou County through 430 PM PDT
...

At 341 PM PDT, Doppler radar was tracking a strong thunderstorm near
Tennant, or 30 miles northeast of Mount Shasta. This storm was nearly
stationary.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Tennant, Four Corners Snow Park, and Bray.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4151 12187 4162 12204 4180 12192 4163 12164
TIME...MOT...LOC 2241Z 219DEG 3KT 4162 12189

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

ANH

Special weather statement, Jun 10, 4:16 PM PDT, 4 hours 49 minutes before

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Special weather statement, Jun 10, 4:21 PM PDT, 4 hours 44 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 5:01 PM PDT	Special Weather Statement	MFR		29 min
Jun 10, 5:39 PM PDT	Special Weather Statement	MFR	Klamath	36 min
Jun 10, 5:42 PM PDT	Severe Thunderstorm Warning	MFR	Klamath	33 min
Jun 10, 6:44 PM PDT	Special Weather Statement	MFR		31 min
Jun 10, 6:49 PM PDT	Special Weather Statement	MFR	Lake	26 min
Jun 10, 7:36 PM PDT	Special Weather Statement	MFR		39 min
Jun 10, 11:03 PM PDT	Special Weather Statement	MFR		42 min
Jun 11, 12:01 AM PDT	Special Weather Statement	MFR	Klamath	29 min
Jun 11, 2:04 AM PDT	Special Weather Statement	MFR	Lake	26 min
Jun 11, 4:12 AM PDT	Special Weather Statement	MFR	Lake	33 min
Jun 10, 5:49 PM PDT	Special Weather Statement	MFR	Siskiyou	26 min
Jun 10, 6:17 PM PDT	Special Weather Statement	MFR	Siskiyou	28 min
Jun 10, 6:47 PM PDT	Special Weather Statement	MFR	Siskiyou	28 min
Jun 10, 8:29 PM PDT	Special Weather Statement	MFR	Siskiyou	46 min

Nearby

Severe Thunderstorm Warnings in California, 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.