Alert archive / Kansas / Freeze Warnings in 2021
Freeze Warning 2, NWS Wichita, KS
NWS Wichita, KS issued this freeze warning at Apr 20, 2021, 2:36 AM CDT for 26 counties in Kansas. It took effect at Apr 21, 2021, 1:00 AM CDT. It was in force for 8 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
- Apr 20, 2021, 2:36 AM CDT (07:36 UTC)
- In effect from
- Apr 21, 2021, 1:00 AM CDT
- Expired
- Apr 21, 2021, 8:30 AM CDT
- In force
- 8 hr
- Issued by
- NWS Wichita, KS
All 26 counties
Allen County, KS, Barton County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cowley County, KS, Elk County, KS, Ellsworth County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Labette County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Montgomery County, KS, Neosho County, KS, Reno County, KS, Rice County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS
The radar
The Wichita radar (KICT), 45 km from the middle of the area, began a volume at 07:36 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, 7.6 hours before the alert went out and 172 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
- 1288 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
501 WWUS73 KICT 200736 NPWICT URGENT - WEATHER MESSAGE National Weather Service Wichita KS 236 AM CDT Tue Apr 20 2021 KSZ069-082-083-091-202145- /O.UPG.KICT.FZ.A.0002.210421T0600Z-210421T1500Z/ /O.NEW.KICT.FZ.W.0002.210421T0600Z-210421T1500Z/ /O.CON.KICT.FZ.W.0001.000000T0000Z-210420T1500Z/ Butler-Kingman-Sedgwick-Harper- Including the cities of El Dorado, Augusta, Andover, Rose Hill, Kingman, Derby, Haysville, Bel Aire, Park City, Valley Center, Wichita, Anthony, Harper, and Attica 236 AM CDT Tue Apr 20 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 30 degrees this morning. For the second Freeze Warning, sub-freezing temperatures as low as 28 expected. * WHERE...Butler, Kingman, Sedgwick and Harper Counties. * WHEN...For the first Freeze Warning, until 10 AM CDT this morning. For the second Freeze Warning, from 1 AM to 10 AM CDT Wednesday. * 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. Especially for those with sprinkler systems that have above ground piping. && $$ KSZ032-033-047>053-067-068-070>072-092>096-098>100-202145- /O.UPG.KICT.FZ.A.0002.210421T0600Z-210421T1500Z/ /O.NEW.KICT.FZ.W.0002.210421T0600Z-210421T1500Z/ Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion- Chase-Reno-Harvey-Greenwood-Woodson-Allen-Sumner-Cowley-Elk- Wilson-Neosho-Chautauqua-Montgomery-Labette- Including the cities of Russell, Lincoln, Sylvan Grove, Great Bend, Ellsworth, Wilson, Salina, Lyons, Sterling, McPherson, Hillsboro, Marion, Peabody, Cottonwood Falls, Strong City, Hutchinson, Newton, Eureka, Madison, Yates Center, Iola, Humboldt, Wellington, Winfield, Arkansas City, Howard, Moline, Longton, Grenola, Neodesha, Fredonia, Chanute, Sedan, Cedar Vale, Coffeyville, Independence, and Parsons 236 AM CDT Tue Apr 20 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Portions of Central, South Central and Southeast Kansas. * WHEN...From 1 AM to 10 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Especially for those with sprinkler systems that have above ground piping. && $$
3 follow-up statements
981 WWUS73 KICT 202046 NPWICT URGENT - WEATHER MESSAGE National Weather Service Wichita KS 346 PM CDT Tue Apr 20 2021 KSZ032-033-047>053-067>072-082-083-091>096-098>100-211100- /O.CON.KICT.FZ.W.0002.210421T0600Z-210421T1500Z/ Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion- Chase-Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick- Harper-Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery- Labette- Including the cities of Russell, Lincoln, Sylvan Grove, Great Bend, Ellsworth, Wilson, Salina, Lyons, Sterling, McPherson, Hillsboro, Marion, Peabody, Cottonwood Falls, Strong City, Hutchinson, Newton, El Dorado, Augusta, Andover, Rose Hill, Eureka, Madison, Yates Center, Iola, Humboldt, Kingman, Derby, Haysville, Bel Aire, Park City, Valley Center, Wichita, Anthony, Harper, Attica, Wellington, Winfield, Arkansas City, Howard, Moline, Longton, Grenola, Neodesha, Fredonia, Chanute, Sedan, Cedar Vale, Coffeyville, Independence, and Parsons 346 PM CDT Tue Apr 20 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 10 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures in the 23 to 29 degree range. * WHEN...From 1 AM to 10 AM CDT Wednesday. * 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. Especially for those with sprinkler systems that have above ground piping. && $$ Lawson
720 WWUS73 KICT 210754 NPWICT URGENT - WEATHER MESSAGE National Weather Service Wichita KS 254 AM CDT Wed Apr 21 2021 KSZ052-053-070>072-094>096-099-100-212200- /O.NEW.KICT.FR.Y.0004.210422T0600Z-210422T1400Z/ /O.CON.KICT.FZ.W.0002.000000T0000Z-210421T1500Z/ Marion-Chase-Greenwood-Woodson-Allen-Elk-Wilson-Neosho-Montgomery- Labette- Including the cities of Hillsboro, Marion, Peabody, Cottonwood Falls, Strong City, Eureka, Madison, Yates Center, Iola, Humboldt, Howard, Moline, Longton, Grenola, Neodesha, Fredonia, Chanute, Coffeyville, Independence, and Parsons 254 AM CDT Wed Apr 21 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT THURSDAY... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 27. For the Frost Advisory, temperatures as low as 32 will result in frost formation. * WHERE...Marion, Chase, Greenwood, Woodson, Allen, Elk, Wilson, Neosho, Montgomery and Labette Counties. * WHEN...For the Freeze Warning, until 10 AM CDT this morning. For the Frost Advisory, from 1 AM to 9 AM CDT Thursday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. && $$ KSZ032-033-047>051-067>069-082-083-091>093-098-211500- /O.CON.KICT.FZ.W.0002.000000T0000Z-210421T1500Z/ Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Reno- Harvey-Butler-Kingman-Sedgwick-Harper-Sumner-Cowley-Chautauqua- Including the cities of Russell, Lincoln, Sylvan Grove, Great Bend, Ellsworth, Wilson, Salina, Lyons, Sterling, McPherson, Hutchinson, Newton, El Dorado, Augusta, Andover, Rose Hill, Kingman, Derby, Haysville, Bel Aire, Park City, Valley Center, Wichita, Anthony, Harper, Attica, Wellington, Winfield, Arkansas City, Sedan, and Cedar Vale 254 AM CDT Wed Apr 21 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures in the 23 to 29 degree range. * WHEN...through 10 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. Especially for those with sprinkler systems that have above ground piping. && $$
255 WWUS73 KICT 211330 NPWICT URGENT - WEATHER MESSAGE National Weather Service Wichita KS 830 AM CDT Wed Apr 21 2021 KSZ052-053-070>072-094>096-099-100-220330- /O.CAN.KICT.FZ.W.0002.000000T0000Z-210421T1500Z/ /O.CON.KICT.FR.Y.0004.210422T0600Z-210422T1400Z/ Marion-Chase-Greenwood-Woodson-Allen-Elk-Wilson-Neosho-Montgomery- Labette- Including the cities of Hillsboro, Marion, Peabody, Cottonwood Falls, Strong City, Eureka, Madison, Yates Center, Iola, Humboldt, Howard, Moline, Longton, Grenola, Neodesha, Fredonia, Chanute, Coffeyville, Independence, and Parsons 830 AM CDT Wed Apr 21 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT THURSDAY... ...FREEZE WARNING IS CANCELLED... * WHAT...For the Freeze Warning, temperatures have warmed above freezing this morning, therefore the freeze warning has been cancelled. For the Frost Advisory, temperatures as low as 32 will result in frost formation. * WHERE...Labette, Allen, Woodson, Greenwood, Chase, Marion, Montgomery, Wilson, Elk and Neosho Counties. * WHEN...From 1 AM to 9 AM CDT Thursday. * IMPACTS...Frost conditions could harm crops, other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ KSZ032-033-047>051-067>069-082-083-091>093-098-211430- /O.CAN.KICT.FZ.W.0002.000000T0000Z-210421T1500Z/ Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Reno- Harvey-Butler-Kingman-Sedgwick-Harper-Sumner-Cowley-Chautauqua- Including the cities of Russell, Lincoln, Sylvan Grove, Great Bend, Ellsworth, Wilson, Salina, Lyons, Sterling, McPherson, Hutchinson, Newton, El Dorado, Augusta, Andover, Rose Hill, Kingman, Derby, Haysville, Bel Aire, Park City, Valley Center, Wichita, Anthony, Harper, Attica, Wellington, Winfield, Arkansas City, Sedan, and Cedar Vale 830 AM CDT Wed Apr 21 2021 ...FREEZE WARNING IS CANCELLED... Temperatures have warmed or will warm above freezing by 9 am, therefore the freeze warning has been cancelled. $$
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.