Alert archive / Colorado / Wind Advisories in 2010

Wind Advisory 2, NWS Grand Junction, CO

March 30, 201015 counties in Colorado; Grand County, San Juan County, Uintah County, Utah

NWS Grand Junction, CO issued this wind advisory at Mar 30, 2010, 8:00 PM MDT for 15 counties in Colorado; Grand County, San Juan County, Uintah County, Utah. It took effect at Mar 31, 2010, 9:00 AM MDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Mar 30, 2010, 8:00 PM MDT (02:00 UTC)
In effect from: Mar 31, 2010, 9:00 AM MDT
Expired: Mar 31, 2010, 8:42 PM MDT
In force: 12 hr
Issued by: NWS Grand Junction, CO

Counties Delta County, CO, Dolores County, CO, Eagle County, CO, Garfield County, CO, Gunnison County, CO, Hinsdale County, CO, Mesa County, CO, Moffat County, CO, Montezuma County, CO, Montrose County, CO, Ouray County, CO, Pitkin County, CO, Rio Blanco County, CO, Routt County, CO, San Miguel County, CO, Grand County, UT, San Juan County, UT, Uintah County, UT

The radar

The Grand Junction radar (KGJX), 20 km from the middle of the area, began a volume at 01:58 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

Grand Junction, CO (KGJT), launched 00:00Z, 2.0 hours before the alert went out and 42 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: 4022 m above ground
0-6 km bulk shear: 92 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 219 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 Grand Junction, CO wrote its last area forecast discussion before this wind advisory went out at Mar 30, 3:11 PM MDT, 4 hours 49 minutes earlier.

Area forecast discussion, Mar 30, 3:11 PM MDT, 4 hours 49 minutes before

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Hazardous weather outlook, Mar 30, 2:50 PM MDT, 5 hours 10 minutes before

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In the hours before

Local storm report, Mar 30, 4:08 PM MDT, 3 hours 52 minutes before

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  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
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<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.
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      <p id="message2">
        Please try again in a few minutes.
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      <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 Grand Junction, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 31, 4:16 AM MDT	Winter Storm Warning	GJT	Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more	59 hr
Mar 31, 4:16 AM MDT	Winter Weather Advisory	GJT	Dolores, Garfield, Moffat, Montezuma, Rio Blanco, Routt and 1 more	48 hr

Nearby

Wind Advisories in Colorado, 2010 Wind Advisories in Utah, 2010 Every wind advisory in 2010

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.