Alert archive / Kansas / Freeze Warnings in 2021
Freeze Warning 4, NWS Topeka, KS
NWS Topeka, KS issued this freeze warning at Oct 29, 2021, 3:14 AM CDT for 8 counties in Kansas. It took effect at Oct 30, 2021, 3:00 AM CDT. It was in force for 6 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
- Oct 29, 2021, 3:14 AM CDT (08:14 UTC)
- In effect from
- Oct 30, 2021, 3:00 AM CDT
- Expired
- Oct 30, 2021, 9:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Topeka, KS
Counties Brown County, KS, Clay County, KS, Geary County, KS, Marshall County, KS, Nemaha County, KS, Pottawatomie County, KS, Riley County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 64 km from the middle of the area, began a volume at 08:14 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 96 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 816 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
699 WWUS73 KTOP 290814 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 314 AM CDT Fri Oct 29 2021 KSZ010>012-292100- /O.NEW.KTOP.FZ.W.0004.211030T0800Z-211030T1400Z/ Marshall-Nemaha-Brown- Including the cities of Marysville, Blue Rapids, Frankfort, Sabetha, Seneca, Hiawatha, and Horton 314 AM CDT Fri Oct 29 2021 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 32 expected. * WHERE...Marshall, Nemaha and Brown Counties. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ KSZ008-009-020>024-026-034>040-054>056-058-059-292100- /O.NEW.KTOP.FR.Y.0007.211030T0800Z-211030T1400Z/ Republic-Washington-Cloud-Clay-Riley-Pottawatomie-Jackson- Jefferson-Ottawa-Dickinson-Geary-Morris-Wabaunsee-Shawnee-Douglas- Lyon-Osage-Franklin-Coffey-Anderson- Including the cities of Belleville, Washington, Hanover, Clifton, Linn, Greenleaf, Concordia, Clay Center, Manhattan, Wamego, St. Marys, Holton, Valley Falls, Oskaloosa, Perry, McLouth, Grantville, Meriden, Nortonville, Minneapolis, Bennington, Abilene, Herington, Junction City, Council Grove, Alma, Eskridge, Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, Topeka, Lawrence, Emporia, Osage City, Carbondale, Lyndon, Burlingame, Overbrook, Ottawa, Burlington, Lebo, and Garnett 314 AM CDT Fri Oct 29 2021 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of central, east central, north central and northeast Kansas. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
784 WWUS73 KTOP 291931 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 231 PM CDT Fri Oct 29 2021 KSZ009-021>023-036-300930- /O.UPG.KTOP.FR.Y.0007.211030T0800Z-211030T1400Z/ /O.EXA.KTOP.FZ.W.0004.211030T0800Z-211030T1400Z/ Washington-Clay-Riley-Pottawatomie-Geary- Including the cities of Washington, Hanover, Clifton, Linn, Greenleaf, Clay Center, Manhattan, Wamego, St. Marys, and Junction City 231 PM CDT Fri Oct 29 2021 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures of 30 to 32 degrees expected. * WHERE...Washington, Clay, Riley, Pottawatomie and Geary Counties. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ KSZ010>012-300930- /O.CON.KTOP.FZ.W.0004.211030T0800Z-211030T1400Z/ Marshall-Nemaha-Brown- Including the cities of Marysville, Blue Rapids, Frankfort, Sabetha, Seneca, Hiawatha, and Horton 231 PM CDT Fri Oct 29 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures of 30 to 32 degrees expected. * WHERE...Nemaha, Marshall and Brown Counties. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ KSZ008-020-024-026-034-035-037>040-054>056-058-059-300930- /O.CON.KTOP.FR.Y.0007.211030T0800Z-211030T1400Z/ Republic-Cloud-Jackson-Jefferson-Ottawa-Dickinson-Morris- Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson- Including the cities of Belleville, Concordia, Holton, Valley Falls, Oskaloosa, Perry, McLouth, Grantville, Meriden, Nortonville, Minneapolis, Bennington, Abilene, Herington, Council Grove, Alma, Eskridge, Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, Topeka, Lawrence, Emporia, Osage City, Carbondale, Lyndon, Burlingame, Overbrook, Ottawa, Burlington, Lebo, and Garnett 231 PM CDT Fri Oct 29 2021 ...FROST ADVISORY REMAINS 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, 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. && $$ Wolters
500 WWUS73 KTOP 300812 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 312 AM CDT Sat Oct 30 2021 KSZ009>012-021>023-036-301400- /O.CON.KTOP.FZ.W.0004.000000T0000Z-211030T1400Z/ Washington-Marshall-Nemaha-Brown-Clay-Riley-Pottawatomie-Geary- Including the cities of Washington, Hanover, Clifton, Linn, Greenleaf, Marysville, Blue Rapids, Frankfort, Sabetha, Seneca, Hiawatha, Horton, Clay Center, Manhattan, Wamego, St. Marys, and Junction City 312 AM CDT Sat Oct 30 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 to 32 degrees. * WHERE...Washington, Clay, Riley, Pottawatomie, Nemaha, Marshall, Brown and Geary Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ KSZ008-020-024-026-034-035-037>040-054>056-058-059-301400- /O.CON.KTOP.FR.Y.0007.000000T0000Z-211030T1400Z/ Republic-Cloud-Jackson-Jefferson-Ottawa-Dickinson-Morris- Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson- Including the cities of Belleville, Concordia, Holton, Valley Falls, Oskaloosa, Perry, McLouth, Grantville, Meriden, Nortonville, Minneapolis, Bennington, Abilene, Herington, Council Grove, Alma, Eskridge, Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, Topeka, Lawrence, Emporia, Osage City, Carbondale, Lyndon, Burlingame, Overbrook, Ottawa, Burlington, Lebo, and Garnett 312 AM CDT Sat Oct 30 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of central, east central, north central and northeast Kansas. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
020 WWUS73 KTOP 301348 NPWTOP URGENT - WEATHER MESSAGE National Weather Service Topeka KS 848 AM CDT Sat Oct 30 2021 KSZ009>012-021>023-036-301500- /O.EXP.KTOP.FZ.W.0004.000000T0000Z-211030T1400Z/ Washington-Marshall-Nemaha-Brown-Clay-Riley-Pottawatomie-Geary- Including the cities of Washington, Hanover, Clifton, Linn, Greenleaf, Marysville, Blue Rapids, Frankfort, Sabetha, Seneca, Hiawatha, Horton, Clay Center, Manhattan, Wamego, St. Marys, and Junction City 848 AM CDT Sat Oct 30 2021 ...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING... Temperatures will continue to warm above freezing. Therefore the freeze warning will be allowed to expire at 9 am. $$ KSZ008-020-024-026-034-035-037>040-054>056-058-059-301500- /O.EXP.KTOP.FR.Y.0007.000000T0000Z-211030T1400Z/ Republic-Cloud-Jackson-Jefferson-Ottawa-Dickinson-Morris- Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson- Including the cities of Belleville, Concordia, Holton, Valley Falls, Oskaloosa, Perry, McLouth, Grantville, Meriden, Nortonville, Minneapolis, Bennington, Abilene, Herington, Council Grove, Alma, Eskridge, Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, Topeka, Lawrence, Emporia, Osage City, Carbondale, Lyndon, Burlingame, Overbrook, Ottawa, Burlington, Lebo, and Garnett 848 AM CDT Sat Oct 30 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING... Temperatures will continue to warm this morning. Therefore the frost advisory will be allowed to expire at 9 am. $$ Wolters
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 3:14 AM CDT | Frost Advisory | TOP | Anderson, Clay, Cloud, Coffey, Dickinson, Douglas and 14 more | 30 hr |
Nearby
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.