Alert archive / Kansas / Winter Storm Warnings in 2023

Winter Storm Warning 1, NWS Topeka, KS

February 15, 202313 counties in Kansas

NWS Topeka, KS issued this winter storm warning at Feb 15, 2023, 2:41 AM CST for 13 counties in Kansas. It took effect at Feb 15, 2023, 4:00 PM CST. It was in force for 20 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
Feb 15, 2023, 2:41 AM CST (08:41 UTC)
In effect from
Feb 15, 2023, 4:00 PM CST
Expired
Feb 16, 2023, 11:45 AM CST
In force
20 hr
Issued by
NWS Topeka, KS

Counties Brown County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Geary County, KS, Jackson County, KS, Marshall County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 69 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

Omaha, NE (KOAX), launched 00:00Z, 8.7 hours before the alert went out and 210 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, Omaha, NE at 00:00Z on 2023-02-15Temperature 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, Omaha, NE at 00:00Z on 2023-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -219 square meters per square second.193958Sfc1 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
618 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-219 m²/s²
0-3 km storm-relative helicity
-262 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 winter storm 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 winter storm warning went out at Feb 14, 5:44 PM CST, 8 hours 57 minutes earlier.

Area forecast discussion, Feb 14, 5:44 PM CST, 8 hours 57 minutes before
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Hazardous weather outlook, Feb 14, 2:29 PM CST, 12 hours 12 minutes before
Hazardous Weather Outlook
National Weather Service Topeka KS
229 PM CST Tue Feb 14 2023

KSZ008>012-020>024-034>036-152030-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Ottawa-Dickinson-Geary-
229 PM CST Tue Feb 14 2023

This Hazardous Weather Outlook is for central Kansas, east central
Kansas, north central Kansas and northeast Kansas.

.DAY ONE...This afternoon and tonight.

A few isolated thunderstorms are possible this afternoon through
early evening. Small hail, gusty winds, and perhaps an isolated
tornado are possible with any strong storms that develop.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Snow is expected to spread across the region Wednesday night through
Thursday morning. A widespread 3 to 6 inches of snow is expected,
with higher amounts possible. Gusty north winds will also result in
blowing snow. A Winter Storm Watch is in effect.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

&&

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

KSZ026-037>040-054>056-058-059-152030-
Jefferson-Morris-Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-
Coffey-Anderson-
229 PM CST Tue Feb 14 2023

This Hazardous Weather Outlook is for east central Kansas and
northeast Kansas.

.DAY ONE...This afternoon and tonight.

A few isolated thunderstorms are possible this afternoon through
early evening. Small hail, gusty winds, and perhaps an isolated
tornado are possible with any strong storms that develop.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Snow is expected to spread across the region Wednesday night through
Thursday morning. 1 to 3 inches of snow accumulation are possible,
with higher amounts possible. Gusty north winds will also result in
blowing snow.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

&&

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

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 2:41 AM CSTWinter Weather AdvisoryTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more38 hr

Nearby

Winter Storm Warnings in Kansas, 2023Every winter storm warning 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.