Alert archive / Texas / Wind Chill Advisories in 2023

Wind Chill Advisory 2, NWS Amarillo, TX

February 15, 20237 counties in Texas; Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this wind chill advisory at Feb 15, 2023, 9:56 PM CST for 7 counties in Texas; Cimarron County, Texas County, Oklahoma. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Feb 15, 2023, 9:56 PM CST (03:56 UTC)
Expired: Feb 16, 2023, 9:00 AM CST
In force: 11 hr
Issued by: NWS Amarillo, TX

Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Ochiltree County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 112 km from the middle of the area, began a volume at 03:59 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

Norman, OK (KOUN), launched 00:00Z, 3.9 hours before the alert went out and 416 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: 2138 m above ground
0-6 km bulk shear: 93 kt
0-1 km storm-relative helicity: 342 m²/s²
0-3 km storm-relative helicity: 540 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 chill 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 chill advisory went out at Feb 15, 5:26 PM CST, 4 hours 30 minutes earlier.

Area forecast discussion, Feb 15, 5:26 PM CST, 4 hours 30 minutes before

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Hazardous weather outlook, Feb 15, 2:17 PM CST, 7 hours 39 minutes before

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In the hours before

Local storm report, Feb 15, 5:23 PM CST, 4 hours 33 minutes before

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Local storm report, Feb 15, 5:32 PM CST, 4 hours 24 minutes before

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Local storm report, Feb 15, 5:33 PM CST, 4 hours 23 minutes before

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Local storm report, Feb 15, 5:47 PM CST, 4 hours 9 minutes before

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Local storm report, Feb 15, 5:51 PM CST, 4 hours 5 minutes before

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Local storm report, Feb 15, 5:56 PM CST, 4 hours before

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Nearby

Wind Chill Advisories in Texas, 2023 Wind Chill Advisories in Oklahoma, 2023 Every wind chill advisory in 2023

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.