Alert archive / Kansas / Frost Advisories in 2021
Frost Advisory 5, NWS Topeka, KS
NWS Topeka, KS issued this frost advisory at Oct 15, 2021, 3:11 AM CDT for 17 counties in Kansas. It took effect at Oct 16, 2021, 3:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2021, 3:11 AM CDT (08:11 UTC)
- In effect from
- Oct 16, 2021, 3:00 AM CDT
- Expired
- Oct 16, 2021, 9:00 AM CDT
- In force
- 6 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, Jefferson County, KS, Marshall County, KS, Morris County, KS, Nemaha 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), 50 km from the middle of the area, began a volume at 08:12 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
Topeka, KS (KTOP), launched 00:00Z, 8.2 hours before the alert went out and 91 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
- 1592 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
073 WWUS73 KTOP 150811 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 311 AM CDT Fri Oct 15 2021 KSZ008-009-020-021-151615- /O.NEW.KTOP.FR.Y.0005.211016T0800Z-211016T1400Z/ Republic-Washington-Cloud-Clay- Including the cities of Belleville, Washington, Hanover, Clifton, Linn, Greenleaf, Concordia, and Clay Center 311 AM CDT Fri Oct 15 2021 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Republic, Washington, Cloud and Clay Counties. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
5 follow-up statements
412 WWUS73 KTOP 151852 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 152 PM CDT Fri Oct 15 2021 KSZ034-161400- /O.EXA.KTOP.FR.Y.0005.211016T0800Z-211016T1400Z/ Ottawa- Including the cities of Minneapolis and Bennington 152 PM CDT Fri Oct 15 2021 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Ottawa County. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ KSZ008-009-020-021-161400- /O.CON.KTOP.FR.Y.0005.211016T0800Z-211016T1400Z/ Republic-Washington-Cloud-Clay- Including the cities of Belleville, Washington, Hanover, Clifton, Linn, Greenleaf, Concordia, and Clay Center 152 PM CDT Fri Oct 15 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Republic, Washington, Cloud and Clay Counties. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
653 WWUS73 KTOP 160130 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 830 PM CDT Fri Oct 15 2021 KSZ010>012-022>024-026-035>039-160930- /O.EXA.KTOP.FR.Y.0005.211016T0800Z-211016T1400Z/ Marshall-Nemaha-Brown-Riley-Pottawatomie-Jackson-Jefferson- Dickinson-Geary-Morris-Wabaunsee-Shawnee- Including the cities of Marysville, Blue Rapids, Frankfort, Sabetha, Seneca, Hiawatha, Horton, Manhattan, Wamego, St. Marys, Holton, Valley Falls, Oskaloosa, Perry, McLouth, Grantville, Meriden, Nortonville, Abilene, Herington, Junction City, Council Grove, Alma, Eskridge, Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, and Topeka 830 PM CDT Fri Oct 15 2021 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of central, east central and northeast Kansas. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ KSZ008-009-020-021-034-160930- /O.CON.KTOP.FR.Y.0005.211016T0800Z-211016T1400Z/ Republic-Washington-Cloud-Clay-Ottawa- Including the cities of Belleville, Washington, Hanover, Clifton, Linn, Greenleaf, Concordia, Clay Center, Minneapolis, and Bennington 830 PM CDT Fri Oct 15 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Cloud, Clay, Republic, Washington and Ottawa Counties. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
675 WWUS73 KTOP 160132 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 832 PM CDT Fri Oct 15 2021 KSZ008>012-020>024-026-034>039-161400- /O.CON.KTOP.FR.Y.0005.211016T0800Z-211016T1400Z/ Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley- Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris- Wabaunsee-Shawnee- Including the cities of Belleville, Washington, Hanover, Clifton, Linn, Greenleaf, Marysville, Blue Rapids, Frankfort, Sabetha, Seneca, Hiawatha, Horton, Concordia, Clay Center, Manhattan, Wamego, St. Marys, Holton, Valley Falls, Oskaloosa, Perry, McLouth, Grantville, Meriden, Nortonville, Minneapolis, Bennington, Abilene, Herington, Junction City, Council Grove, Alma, Eskridge, Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, and Topeka 832 PM CDT Fri Oct 15 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures ranging from 33 to 37 degrees will result in frost formation. * WHERE...Portions of central, east central, north central and northeast Kansas. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
893 WWUS73 KTOP 160750 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 250 AM CDT Sat Oct 16 2021 KSZ008>012-020>024-026-034>039-161400- /O.CON.KTOP.FR.Y.0005.211016T0800Z-211016T1400Z/ Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley- Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris- Wabaunsee-Shawnee- Including the cities of Belleville, Washington, Hanover, Clifton, Linn, Greenleaf, Marysville, Blue Rapids, Frankfort, Sabetha, Seneca, Hiawatha, Horton, Concordia, Clay Center, Manhattan, Wamego, St. Marys, Holton, Valley Falls, Oskaloosa, Perry, McLouth, Grantville, Meriden, Nortonville, Minneapolis, Bennington, Abilene, Herington, Junction City, Council Grove, Alma, Eskridge, Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, and Topeka 250 AM CDT Sat Oct 16 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...This mornings low temperatures, ranging from 33 to 38 degrees, will result in frost formation. * WHERE...Portions of central, east central, north central, and northeast Kansas. * WHEN...Through 9 AM CDT. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
868 WWUS73 KTOP 161357 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 857 AM CDT Sat Oct 16 2021 KSZ008>012-020>024-026-034>039-161500- /O.EXP.KTOP.FR.Y.0005.000000T0000Z-211016T1400Z/ Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley- Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris- Wabaunsee-Shawnee- Including the cities of Belleville, Washington, Hanover, Clifton, Linn, Greenleaf, Marysville, Blue Rapids, Frankfort, Sabetha, Seneca, Hiawatha, Horton, Concordia, Clay Center, Manhattan, Wamego, St. Marys, Holton, Valley Falls, Oskaloosa, Perry, McLouth, Grantville, Meriden, Nortonville, Minneapolis, Bennington, Abilene, Herington, Junction City, Council Grove, Alma, Eskridge, Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, and Topeka 857 AM CDT Sat Oct 16 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING... Temperatures have warmed into the upper 30s to mid 40s, so the frost advisory will be allowed to expire at 9 AM. $$
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 14, 8:57 PM CDT | Special Weather Statement | TOP | Lyon | 33 min |
Nearby
Frost Advisories in Kansas, 2021Every frost 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.