Alert archive / Texas / Frost Advisories in 2015

Frost Advisory 5, NWS Amarillo, TX

November 5, 201512 counties in Texas; Beaver County, Texas County, Oklahoma

NWS Amarillo, TX issued this frost advisory at Nov 5, 2015, 3:04 AM CST for 12 counties in Texas; Beaver County, Texas County, Oklahoma. It took effect at Nov 6, 2015, 12:00 AM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Nov 5, 2015, 3:04 AM CST (09:04 UTC)
In effect from: Nov 6, 2015, 12:00 AM CST
Expired: Nov 6, 2015, 9:00 AM CST
In force: 9 hr
Issued by: NWS Amarillo, TX

Counties Beaver County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 87 km from the middle of the area, began a volume at 09:01 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 00:00Z, 9.1 hours before the alert went out and 238 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: 946 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 255 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 frost 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 frost advisory went out at Nov 4, 10:58 PM CST, 4 hours 6 minutes earlier.

Area forecast discussion, Nov 4, 10:58 PM CST, 4 hours 6 minutes before

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Hazardous weather outlook, Nov 4, 2:58 PM CST, 12 hours 6 minutes before

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In the hours before

Special weather statement, Nov 4, 9:05 PM CST, 5 hours 59 minutes before

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Special weather statement, Nov 4, 9:11 PM CST, 5 hours 53 minutes before

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Special weather statement, Nov 4, 10:26 PM CST, 4 hours 38 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 4, 8:09 PM CST	Special Weather Statement	AMA	Hansford	51 min
Nov 4, 8:18 PM CST	Special Weather Statement	AMA	Hansford	42 min
Nov 4, 9:05 PM CST	Special Weather Statement	AMA	Ochiltree	40 min
Nov 4, 9:11 PM CST	Special Weather Statement	AMA	Hutchinson	49 min
Nov 4, 10:26 PM CST	Special Weather Statement	AMA	Randall	49 min
Nov 5, 3:04 AM CST	Freeze Watch	AMA	Dallam, Deaf Smith, Hartley, Oldham	16 hr

Nearby

Frost Advisories in Texas, 2015 Frost Advisories in Oklahoma, 2015 Every frost advisory in 2015

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.