Alert archive / Nebraska / Frost Advisories in 2020
Frost Advisory 3, NWS Goodland, KS
NWS Goodland, KS issued this frost advisory at Sep 28, 2020, 3:22 PM CDT for Cheyenne County, Greeley County, Kansas; Cheyenne County, Kit Carson County, Colorado; Dundy County, Hitchcock County, Red Willow County, Nebraska. It took effect at Sep 29, 2020, 12:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Sep 28, 2020, 3:22 PM CDT (20:22 UTC)
- In effect from
- Sep 29, 2020, 12:00 AM CDT
- Expired
- Sep 29, 2020, 9:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS Goodland, KS
Counties Cheyenne County, CO, Kit Carson County, CO, Cheyenne County, KS, Greeley County, KS, Dundy County, NE, Hitchcock County, NE, Red Willow County, NE
The radar
The Goodland radar (KGLD), 22 km from the middle of the area, began a volume at 20:27 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 (KDNR), launched 12:00Z, 8.4 hours before the alert went out and 135 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
- 1913 m above ground
- 0-6 km bulk shear
- 109 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- 29 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 Goodland, KS wrote its last area forecast discussion before this frost advisory went out at Sep 28, 2:51 PM CDT, 31 minutes earlier.
Area forecast discussion, Sep 28, 2:51 PM CDT, 31 minutes before
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</html>Hazardous weather outlook, Sep 28, 11:29 AM CDT, 3 hours 53 minutes before
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</html>Nearby
Frost Advisories in Nebraska, 2020Frost Advisories in Kansas, 2020Frost Advisories in Colorado, 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.