Alert archive / Kansas / Freeze Warnings in 2022

Freeze Warning 5, NWS Topeka, KS

April 18, 202216 counties in Kansas

NWS Topeka, KS issued this freeze warning at Apr 18, 2022, 3:34 AM CDT for 16 counties in Kansas. It took effect at Apr 19, 2022, 3:00 AM CDT. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 18, 2022, 3:34 AM CDT (08:34 UTC)
In effect from
Apr 19, 2022, 3:00 AM CDT
Expired
Apr 19, 2022, 8:06 AM CDT
In force
5 hr
Issued by
NWS Topeka, KS

Counties Anderson County, KS, Brown County, KS, Clay County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Marshall County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 30 km from the middle of the area, began a volume at 08:38 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

Springfield, MO (KSGF), launched 00:00Z, 8.6 hours before the alert went out and 331 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2022-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2022-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
587 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
254 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 freeze warning 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 freeze warning went out at Apr 17, 6:32 PM CDT, 9 hours 2 minutes earlier.

Area forecast discussion, Apr 17, 6:32 PM CDT, 9 hours 2 minutes before
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Hazardous weather outlook, Apr 17, 1:37 PM CDT, 13 hours 57 minutes before
Hazardous Weather Outlook
National Weather Service Topeka KS
137 PM CDT Sun Apr 17 2022

KSZ008>012-020>024-026-034>040-054>056-058-059-181845-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
137 PM CDT Sun Apr 17 2022

This hazardous weather outlook is for east central...north
central and northeast Kansas.

.DAY ONE...This Afternoon and Tonight

A Frost Advisory and Freeze Warning have been issued for tonight.
See weather.gov/TOP for more details.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Temperatures are forecast to once again drop below freezing
Tuesday morning across northern and eastern Kansas. A Freeze Watch
has been issued. For more details visit weather.gov/TOP.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

More detailed information can be accessed at...
http://www.weather.gov/media/top/DssPacket.pdf

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 18, 3:36 PM CDTFrost AdvisoryTOPCloud, Coffey, Dickinson, Geary, Lyon, Morris and 1 more17 hr

Nearby

Freeze Warnings in Kansas, 2022Every freeze warning in 2022

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.