Alert archive / Missouri / Freeze Warnings in 2021
Freeze Warning 6, NWS Kansas City, MO
NWS Kansas City, MO issued this freeze warning at Oct 29, 2021, 3:21 AM CDT for Doniphan County, Kansas; Atchison County, Holt County, Nodaway County, Missouri. 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, 3:21 AM CDT (08:21 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 Kansas City, MO
Counties Doniphan County, KS, Atchison County, MO, Holt County, MO, Nodaway County, MO
The radar
The Topeka radar (KTWX), 159 km from the middle of the area, began a volume at 08:23 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, 8.4 hours before the alert went out and 136 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.
880 WWUS73 KEAX 290821 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 321 AM CDT Fri Oct 29 2021 KSZ102-MOZ001-002-011-292100- /O.NEW.KEAX.FZ.W.0006.211030T0800Z-211030T1400Z/ Doniphan-Atchison MO-Nodaway-Holt- Including the cities of Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Mound City, Oregon, Maitland, Forest City, and Craig 321 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 31 expected. * WHERE...In Kansas, Doniphan County. In Missouri, Atchison MO, Nodaway and Holt 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. && $$ KSZ025-057-060-103>105-MOZ003-004-012-013-020-021-028-029-037-043- 292100- /O.NEW.KEAX.FR.Y.0007.211030T0800Z-211030T1400Z/ Atchison KS-Miami-Linn KS-Leavenworth-Wyandotte-Johnson KS-Worth- Gentry-Andrew-De Kalb-Buchanan-Clinton-Platte-Clay-Jackson-Cass- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Grant City, Albany, Stanberry, King City, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, St. Joseph Airport, St. Joseph, Cameron, Plattsburg, Lathrop, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kearney, Kansas City, Independence, Belton, Raymore, Harrisonville, and Pleasant Hill 321 AM CDT Fri Oct 29 2021 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of east central and northeast Kansas and northwest and west central Missouri. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
547 WWUS73 KEAX 292016 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 316 PM CDT Fri Oct 29 2021 KSZ102-MOZ001-002-011-301115- /O.CON.KEAX.FZ.W.0006.211030T0800Z-211030T1400Z/ Doniphan-Atchison MO-Nodaway-Holt- Including the cities of Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Mound City, Oregon, Maitland, Forest City, and Craig 316 PM CDT Fri Oct 29 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...In Kansas, Doniphan County. In Missouri, Atchison MO, Nodaway and Holt 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. && $$ KSZ025-057-060-103>105-MOZ003-004-012-013-020-021-028-029-037-043- 301115- /O.CON.KEAX.FR.Y.0007.211030T0800Z-211030T1400Z/ Atchison KS-Miami-Linn KS-Leavenworth-Wyandotte-Johnson KS-Worth- Gentry-Andrew-De Kalb-Buchanan-Clinton-Platte-Clay-Jackson-Cass- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Grant City, Albany, Stanberry, King City, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, St. Joseph Airport, St. Joseph, Cameron, Plattsburg, Lathrop, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kearney, Kansas City, Independence, Belton, Raymore, Harrisonville, and Pleasant Hill 316 PM CDT Fri Oct 29 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Portions of east central and northeast Kansas and northwest and west central Missouri. * WHEN...From 3 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
677 WWUS73 KEAX 300821 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 321 AM CDT Sat Oct 30 2021 KSZ102-MOZ001-002-011-301400- /O.CON.KEAX.FZ.W.0006.000000T0000Z-211030T1400Z/ Doniphan-Atchison MO-Nodaway-Holt- Including the cities of Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Mound City, Oregon, Maitland, Forest City, and Craig 321 AM CDT Sat Oct 30 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 32. * WHERE...In Kansas, Doniphan County. In Missouri, Atchison MO, Nodaway and Holt 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. && $$ KSZ025-057-060-103>105-MOZ003-004-012-013-020-021-028-029-037-043- 301400- /O.CON.KEAX.FR.Y.0007.000000T0000Z-211030T1400Z/ Atchison KS-Miami-Linn KS-Leavenworth-Wyandotte-Johnson KS-Worth- Gentry-Andrew-De Kalb-Buchanan-Clinton-Platte-Clay-Jackson-Cass- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Grant City, Albany, Stanberry, King City, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, St. Joseph Airport, St. Joseph, Cameron, Plattsburg, Lathrop, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kearney, Kansas City, Independence, Belton, Raymore, Harrisonville, and Pleasant Hill 321 AM CDT Sat Oct 30 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of east central and northeast Kansas and northwest and west central Missouri. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
011 WWUS73 KEAX 301356 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 856 AM CDT Sat Oct 30 2021 KSZ102-MOZ001-002-011-301500- /O.EXP.KEAX.FZ.W.0006.000000T0000Z-211030T1400Z/ Doniphan-Atchison MO-Nodaway-Holt- Including the cities of Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Mound City, Oregon, Maitland, Forest City, and Craig 856 AM CDT Sat Oct 30 2021 ...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING... The threat for freezing conditions has abated as temperatures warm this morning. $$ KSZ025-057-060-103>105-MOZ003-004-012-013-020-021-028-029-037-043- 301500- /O.EXP.KEAX.FR.Y.0007.000000T0000Z-211030T1400Z/ Atchison KS-Miami-Linn KS-Leavenworth-Wyandotte-Johnson KS-Worth- Gentry-Andrew-De Kalb-Buchanan-Clinton-Platte-Clay-Jackson-Cass- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Grant City, Albany, Stanberry, King City, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, St. Joseph Airport, St. Joseph, Cameron, Plattsburg, Lathrop, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kearney, Kansas City, Independence, Belton, Raymore, Harrisonville, and Pleasant Hill 856 AM CDT Sat Oct 30 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING... The threat for frost has diminished this morning as temperatures have warmed. $$
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 3:21 AM CDT | Frost Advisory | EAX | Atchison, Johnson, Leavenworth, Linn, Miami, Wyandotte | 30 hr |
Nearby
Freeze Warnings in Missouri, 2021Freeze Warnings in Kansas, 2021Every freeze warning 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.