Alert archive / Wyoming / High Wind Watches in 2014

High Wind Watch 23, NWS Cheyenne, WY

November 21, 20144 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Nov 21, 2014, 2:49 PM MST for 4 counties in Wyoming. It took effect at Nov 22, 2014, 11:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued: Nov 21, 2014, 2:49 PM MST (21:49 UTC)
In effect from: Nov 22, 2014, 11:00 AM MST
Expired: Nov 22, 2014, 2:22 AM MST
In force
Issued by: NWS Cheyenne, WY

Counties Albany County, WY, Converse County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 102 km from the middle of the area, began a volume at 21:49 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

Riverton, WY (KRIW), launched 12:00Z, 9.8 hours before the alert went out and 285 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: 1850 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: -19 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 high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this high wind watch went out at Nov 21, 11:16 AM MST, 3 hours 33 minutes earlier.

Area forecast discussion, Nov 21, 11:16 AM MST, 3 hours 33 minutes before

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Hazardous weather outlook, Nov 21, 6:20 AM MST, 8 hours 29 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        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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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 21, 4:29 AM MST	High Wind Watch	CYS	Albany, Carbon, Laramie, Platte	10 hr
Nov 21, 4:55 AM MST	Winter Storm Watch	CYS	Albany, Carbon	22 hr
Nov 21, 2:49 PM MST	High Wind Warning	CYS	Albany, Carbon, Converse, Laramie, Platte	30 hr

Nearby

High Wind Watches in Wyoming, 2014 Every high wind watch in 2014

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.