Alert archive / Texas / Frost Advisories in 2020
Frost Advisory 2, NWS Amarillo, TX
NWS Amarillo, TX issued this frost advisory at Oct 15, 2020, 2:11 AM CDT for 10 counties in Texas; Cimarron County, Texas County, Oklahoma. It took effect at Oct 16, 2020, 1:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2020, 2:11 AM CDT (07:11 UTC)
- In effect from
- Oct 16, 2020, 1:00 AM CDT
- Expired
- Oct 16, 2020, 10:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS Amarillo, TX
Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Roberts County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 96 km from the middle of the area, began a volume at 07:17 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, 7.2 hours before the alert went out and 244 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2581 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 595 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Oct 14, 6:08 PM CDT, 8 hours 3 minutes earlier.
Area forecast discussion, Oct 14, 6:08 PM CDT, 8 hours 3 minutes before
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</html>Hazardous weather outlook, Oct 14, 2:45 PM CDT, 11 hours 26 minutes before
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</html>Nearby
Frost Advisories in Texas, 2020Frost Advisories in Oklahoma, 2020Every frost advisory in 2020
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.