Alert archive / California / Special Weather Statements in 2015

Special Weather Statement, NWS Medford, OR

July 4, 2015Siskiyou County, California

NWS Medford, OR issued this special weather statement at Jul 4, 2015, 5:03 PM PDT for Siskiyou County, California. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 4, 2015, 5:03 PM PDT (00:03 UTC)
Expired: Jul 4, 2015, 5:30 PM PDT
In force: 27 min
Issued by: NWS Medford, OR

County Siskiyou County, CA

The radar

The Medford radar (KMAX), 74 km from the middle of the area, began a volume at 00:06 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, 0.1 hours before the alert went out and 107 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3806 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 4, 3:33 PM PDT, 1 hour 30 minutes earlier.

Area forecast discussion, Jul 4, 3:33 PM PDT, 1 hour 30 minutes before

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In the hours before

Special weather statement, Jul 4, 5:00 PM PDT, 3 minutes before

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Special weather statement, Jul 4, 5:03 PM PDT, 0 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        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
Jul 5, 4:43 AM PDT	Fire Weather Watch	MFR	Douglas, Harney, Jackson, Josephine, Klamath, Lake and 1 more	22 hr
Jul 5, 4:43 AM PDT	Red Flag Warning	MFR	Douglas, Harney, Jackson, Klamath, Lake	18 hr
Jul 5, 3:20 PM PDT	Severe Thunderstorm Warning	MFR	Klamath	30 min
Jul 5, 3:58 PM PDT	Special Weather Statement	MFR	Jackson	32 min
Jul 5, 4:05 PM PDT	Areal Flood Advisory	MFR	Klamath	85 min
Jul 5, 4:35 PM PDT	Special Weather Statement	MFR	Jackson	55 min
Jul 5, 4:43 PM PDT	Severe Thunderstorm Warning	MFR	Klamath	13 min
Jul 5, 4:46 PM PDT	Severe Thunderstorm Warning	MFR	Klamath	29 min
Jul 4, 5:00 PM PDT	Special Weather Statement	MFR	Siskiyou	30 min
Jul 5, 1:52 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	38 min
Jul 5, 3:26 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	25 min
Jul 5, 3:44 PM PDT	Special Weather Statement	MFR	Siskiyou	31 min
Jul 5, 3:52 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	23 min
Jul 5, 4:12 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	33 min

Nearby

Special Weather Statements in California, 2015 Every special weather statement in 2015

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.