Alert archive / Colorado / Winter Weather Advisories in 2017

Winter Weather Advisory 22, NWS Pueblo, CO

May 17, 201712 counties in Colorado

NWS Pueblo, CO issued this winter weather advisory at May 17, 2017, 4:19 AM MDT for 12 counties in Colorado. It took effect at May 17, 2017, 6:00 PM MDT. It was in force for 51 hr.

The area

The counties it named.

The facts

Issued: May 17, 2017, 4:19 AM MDT (10:19 UTC)
In effect from: May 17, 2017, 6:00 PM MDT
Expired: May 19, 2017, 9:00 PM MDT
In force: 51 hr
Issued by: NWS Pueblo, CO

Counties Chaffee County, CO, Conejos County, CO, Costilla County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Lake County, CO, Las Animas County, CO, Mineral County, CO, Rio Grande County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 136 km from the middle of the area, began a volume at 10:22 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

Denver, CO (KDEN), launched 00:00Z, 10.3 hours before the alert went out and 289 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: 4 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 1528 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -140 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pueblo, CO wrote its last area forecast discussion before this winter weather advisory went out at May 16, 11:28 PM MDT, 4 hours 51 minutes earlier.

Area forecast discussion, May 16, 11:28 PM MDT, 4 hours 51 minutes before

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Hazardous weather outlook, May 16, 8:04 PM MDT, 8 hours 15 minutes before

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In the hours before

Special weather statement, May 17, 3:54 AM MDT, 25 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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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 Pueblo, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 3:54 AM MDT	Special Weather Statement	PUB	Prowers	96 min
May 17, 3:29 PM MDT	Winter Storm Warning	PUB	Chaffee, El Paso, Lake, Saguache, Teller	42 hr

Nearby

Winter Weather Advisories in Colorado, 2017 Every winter weather advisory in 2017

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.