Alert archive / Texas / Wind Advisories in 2010

Wind Advisory 11, NWS Amarillo, TX

April 28, 20108 counties in Texas

NWS Amarillo, TX issued this wind advisory at Apr 28, 2010, 3:29 PM CDT for 8 counties in Texas. It took effect at Apr 29, 2010, 10:00 AM CDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Apr 28, 2010, 3:29 PM CDT (20:29 UTC)
In effect from: Apr 29, 2010, 10:00 AM CDT
Expired: Apr 29, 2010, 9:00 PM CDT
In force: 11 hr
Issued by: NWS Amarillo, TX

Counties Armstrong County, TX, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 50 km from the middle of the area, began a volume at 20:35 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

Dodge City, (KDDC), launched 12:00Z, 8.5 hours before the alert went out and 328 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: 1714 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 638 m²/s²
0-3 km storm-relative helicity: 720 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 Amarillo, TX wrote its last area forecast discussion before this wind advisory went out at Apr 28, 12:26 PM CDT, 3 hours 3 minutes earlier.

Area forecast discussion, Apr 28, 12:26 PM CDT, 3 hours 3 minutes before

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Hazardous weather outlook, Apr 28, 4:59 AM CDT, 10 hours 30 minutes before

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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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The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 4:15 AM CDT	Fire Weather Watch	AMA	Armstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 6 more	24 hr
Apr 28, 4:15 AM CDT	Red Flag Warning	AMA	Armstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 6 more	17 hr

Nearby

Wind Advisories in Texas, 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.