Alert archive / Kansas / Winter Weather Advisories in 2021
Winter Weather Advisory 8, NWS Topeka, KS
NWS Topeka, KS issued this winter weather advisory at Feb 13, 2021, 3:34 AM CST for 23 counties in Kansas. It took effect at Feb 14, 2021, 12:00 AM CST. It was in force for 42 hr.
The area
The counties it named.
The facts
- Issued
- Feb 13, 2021, 3:34 AM CST (09:34 UTC)
- In effect from
- Feb 14, 2021, 12:00 AM CST
- Expired
- Feb 15, 2021, 6:00 PM CST
- In force
- 42 hr
- Issued by
- NWS Topeka, KS
All 23 counties
Anderson County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Lyon County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa 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), 16 km from the middle of the area, began a volume at 09:38 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
Topeka, KS (KTOP), launched 00:00Z, 9.6 hours before the alert went out and 61 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
- 900 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 244 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather 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 winter weather advisory went out at Feb 12, 11:19 PM CST, 4 hours 15 minutes earlier.
Area forecast discussion, Feb 12, 11:19 PM CST, 4 hours 15 minutes before
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</html>Hazardous weather outlook, Feb 12, 4:09 PM CST, 11 hours 25 minutes before
Hazardous Weather Outlook National Weather Service Topeka KS 409 PM CST Fri Feb 12 2021 KSZ008>012-020>024-026-034>040-054>056-058-059-132215- Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley- Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris- Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson- 409 PM CST Fri Feb 12 2021 This hazardous weather outlook is for east central...north central and northeast Kansas. .DAY ONE...Tonight. Wind chill values of 15 to 20 below zero are expected tonight into Saturday morning. A Wind Chill Advisory is in effect for the entire area for tonight into tomorrow morning. Light snow is expected this afternoon through Saturday morning. The best chances for accumulating snow are along and north of Highway 9 where around an inch snow is possible. Other areas may see around a dusting. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Wind chill readings are forecast to range from 10 below zero to 30 below through Tuesday. The coldest wind chills look to be during the morning Sunday, Monday, and Tuesday. Another chance for accumulating snow comes Sunday into Monday with the best chances across north central and east central Kansas. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight. && More detailed information can be accessed at... http://www.weather.gov/top/sitrep
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 13, 3:34 AM CST | Wind Chill Watch | TOP | Anderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more | 24 hr |
| Feb 13, 3:34 AM CST | Wind Chill Advisory | TOP | Anderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more | 38 hr |
Nearby
Winter Weather Advisories in Kansas, 2021Every winter weather advisory in 2021
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.