Alert archive / Washington / Wind Advisories in 2009

Wind Advisory 20, NWS Pendleton, OR

March 30, 20095 counties in Oregon; 7 counties in Washington

NWS Pendleton, OR issued this wind advisory at Mar 30, 2009, 3:13 PM PDT for 5 counties in Oregon; 7 counties in Washington. It took effect at Mar 31, 2009, 8:00 AM PDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Mar 30, 2009, 3:13 PM PDT (22:13 UTC)
In effect from: Mar 31, 2009, 8:00 AM PDT
Expired: Mar 31, 2009, 8:00 PM PDT
In force: 12 hr
Issued by: NWS Pendleton, OR

Counties Gilliam County, OR, Morrow County, OR, Sherman County, OR, Umatilla County, OR, Wasco County, OR, Benton County, WA, Columbia County, WA, Franklin County, WA, Kittitas County, WA, Klickitat County, WA, Walla Walla County, WA, Yakima County, WA

The radar

The Pendleton radar (KPDT), 79 km from the middle of the area, began a volume at 22:19 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

Spokane, WA (KOTX), launched 12:00Z, 10.2 hours before the alert went out and 321 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: 685 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 115 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 wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pendleton, OR wrote its last area forecast discussion before this wind advisory went out at Mar 30, 2:41 PM PDT, 32 minutes earlier.

Area forecast discussion, Mar 30, 2:41 PM PDT, 32 minutes before

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Hazardous weather outlook, Mar 30, 12:22 PM PDT, 2 hours 51 minutes before

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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.
      </p>
      <p class="small" id="detail">
        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 Pendleton, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 30, 3:20 PM PDT	Winter Weather Advisory	PDT	Umatilla, Union, Wallowa	37 hr
Mar 29, 7:06 PM PDT	Areal Flood Advisory	PDT	Walla Walla	14 hr

Nearby

Wind Advisories in Washington, 2009 Wind Advisories in Oregon, 2009 Every wind advisory in 2009

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.