Alert archive / Kansas / Frost Advisories in 2023
Frost Advisory 2, NWS Topeka, KS
NWS Topeka, KS issued this frost advisory at Apr 28, 2023, 2:11 PM CDT for Cloud County, Republic County, Washington County, Kansas. It took effect at Apr 29, 2023, 2:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 28, 2023, 2:11 PM CDT (19:11 UTC)
- In effect from
- Apr 29, 2023, 2:00 AM CDT
- Expired
- Apr 29, 2023, 8:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Topeka, KS
Counties Cloud County, KS, Republic County, KS, Washington County, KS
The radar
The Grand Island radar (KUEX), 108 km from the middle of the area, began a volume at 19:12 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, 7.2 hours before the alert went out and 301 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
- 531 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- 98 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 Topeka, KS wrote its last area forecast discussion before this frost advisory went out at Apr 28, 12:26 PM CDT, 1 hour 45 minutes earlier.
Area forecast discussion, Apr 28, 12:26 PM CDT, 1 hour 45 minutes before
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</html>Hazardous weather outlook, Apr 28, 3:24 AM CDT, 10 hours 47 minutes before
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Frost Advisories in Kansas, 2023Every frost 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.