Alert archive / Kansas / Frost Advisories in 2021

Frost Advisory 3, NWS Wichita, KS

April 17, 20218 counties in Kansas

NWS Wichita, KS issued this frost advisory at Apr 17, 2021, 3:24 AM CDT for 8 counties in Kansas. It took effect at Apr 18, 2021, 1:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 17, 2021, 3:24 AM CDT (08:24 UTC)
In effect from
Apr 18, 2021, 1:00 AM CDT
Expired
Apr 18, 2021, 8:00 AM CDT
In force
7 hr
Issued by
NWS Wichita, KS

Counties Barton County, KS, Ellsworth County, KS, Lincoln County, KS, McPherson County, KS, Reno County, KS, Rice County, KS, Russell County, KS, Saline County, KS

The radar

The Wichita radar (KICT), 122 km from the middle of the area, began a volume at 08:22 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

Dodge City, (KDDC), launched 00:00Z, 8.4 hours before the alert went out and 174 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.

Skew-T log-pSkew-T log-p diagram, Dodge City, at 00:00Z on 2021-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2021-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

561 
WWUS73 KICT 170824
NPWICT

URGENT - WEATHER MESSAGE
National Weather Service Wichita KS
324 AM CDT Sat Apr 17 2021

KSZ032-033-047>051-172230-
/O.NEW.KICT.FR.Y.0003.210418T0600Z-210418T1300Z/
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-
Including the cities of Russell, Lincoln, Sylvan Grove, 
Great Bend, Ellsworth, Wilson, Salina, Lyons, Sterling, 
and McPherson
324 AM CDT Sat Apr 17 2021

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY...

* WHAT...Temperatures as low as 32 will result in frost 
  formation.

* WHERE...Russell, Lincoln, Barton, Ellsworth, Saline, Rice and 
  McPherson Counties.

* WHEN...From 1 AM to 8 AM CDT Sunday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

* ADDITIONAL DETAILS...Additional opportunities for frost or
  freeze conditions are possible in the coming days.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Ketcham
3 follow-up statements
179 
WWUS73 KICT 172020
NPWICT

URGENT - WEATHER MESSAGE
National Weather Service Wichita KS
320 PM CDT Sat Apr 17 2021

KSZ067-181030-
/O.EXA.KICT.FR.Y.0003.210418T0600Z-210418T1300Z/
Reno-
Including the city of Hutchinson
320 PM CDT Sat Apr 17 2021

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY...

* WHAT...Temperatures as low as 32 degrees will result in frost 
  formation.

* WHERE...Reno County.

* WHEN...From 1 AM to 8 AM CDT Sunday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

* ADDITIONAL DETAILS...Additional opportunities for frost or 
  freeze conditions are possible in the coming days.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

KSZ032-033-047>051-181030-
/O.CON.KICT.FR.Y.0003.210418T0600Z-210418T1300Z/
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-
Including the cities of Russell, Lincoln, Sylvan Grove, 
Great Bend, Ellsworth, Wilson, Salina, Lyons, Sterling, 
and McPherson
320 PM CDT Sat Apr 17 2021

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT
SUNDAY...

* WHAT...Temperatures as low as 30 to 32 degrees will result in 
  frost formation.

* WHERE...Russell, Lincoln, Barton, Ellsworth, Saline, Rice and 
  McPherson Counties.

* WHEN...From 1 AM to 8 AM CDT Sunday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

* ADDITIONAL DETAILS...Additional opportunities for frost or 
  freeze conditions are possible in the coming days.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
863 
WWUS73 KICT 180820
NPWICT

URGENT - WEATHER MESSAGE
National Weather Service Wichita KS
320 AM CDT Sun Apr 18 2021

KSZ032-033-047>051-067-182230-
/O.NEW.KICT.FZ.A.0001.210420T0600Z-210420T1500Z/
/O.NEW.KICT.FZ.A.0002.210421T0600Z-210421T1500Z/
/O.CON.KICT.FR.Y.0003.000000T0000Z-210418T1300Z/
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Reno-
Including the cities of Russell, Lincoln, Sylvan Grove, 
Great Bend, Ellsworth, Wilson, Salina, Lyons, Sterling, 
McPherson, and Hutchinson
320 AM CDT Sun Apr 18 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...
...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
MORNING...
...FREEZE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...For the Frost Advisory, temperatures as low as 32 will 
  result in frost formation. For the first Freeze Watch, sub- 
  freezing temperatures as low as 28 possible. For the second 
  Freeze Watch, sub-freezing temperatures as low as 27 possible.

* WHERE...Russell, Lincoln, Barton, Ellsworth, Saline, Rice, 
  McPherson and Reno Counties.

* WHEN...For the Frost Advisory, until 8 AM CDT this morning. 
  For the first Freeze Watch, from late Monday night through 
  Tuesday morning. For the second Freeze Watch, from late 
  Tuesday night through Wednesday morning.

* IMPACTS...Frost and freeze conditions could 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 above ground outdoor water 
pipes they should be wrapped, drained, or allowed to drip slowly. 

&&

$$

KSZ052-053-068-069-082-083-091-182230-
/O.NEW.KICT.FZ.A.0001.210420T0600Z-210420T1500Z/
/O.NEW.KICT.FZ.A.0002.210421T0600Z-210421T1500Z/
Marion-Chase-Harvey-Butler-Kingman-Sedgwick-Harper-
Including the cities of Hillsboro, Marion, Peabody, 
Cottonwood Falls, Strong City, Newton, El Dorado, Augusta, 
Andover, Rose Hill, Kingman, Derby, Haysville, Bel Aire, 
Park City, Valley Center, Wichita, Anthony, Harper, and Attica
320 AM CDT Sun Apr 18 2021

...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
MORNING...
...FREEZE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...For the first Freeze Watch, sub-freezing temperatures 
  as low as 31 possible. For the second Freeze Watch, sub-
  freezing temperatures as low as 28 possible.

* WHERE...Marion, Chase, Harvey, Butler, Kingman, Sedgwick and 
  Harper Counties.

* WHEN...For the first Freeze Watch, from late Monday night 
  through Tuesday morning. For the second Freeze Watch, from 
  late Tuesday night through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be ready to take steps to protect tender plants and outdoor above
ground pipes from the cold. To prevent freezing and possible 
bursting of above ground outdoor water pipes they should be 
wrapped, drained, or allowed to drip slowly. 

&&

$$

KSZ070>072-092>096-098>100-182230-
/O.NEW.KICT.FZ.A.0002.210421T0600Z-210421T1500Z/
Greenwood-Woodson-Allen-Sumner-Cowley-Elk-Wilson-Neosho-
Chautauqua-Montgomery-Labette-
Including the cities of Eureka, Madison, Yates Center, Iola, 
Humboldt, Wellington, Winfield, Arkansas City, Howard, Moline, 
Longton, Grenola, Neodesha, Fredonia, Chanute, Sedan, Cedar Vale,
Coffeyville, Independence, and Parsons
320 AM CDT Sun Apr 18 2021

...FREEZE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...Sub-freezing temperatures as low as 29 possible.

* WHERE...Portions of South Central and Southeast Kansas.

* WHEN...From late Tuesday night through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be ready to take steps to protect tender plants and outdoor above
ground pipes from the cold. To prevent freezing and possible 
bursting of above ground outdoor water pipes they should be 
wrapped, drained, or allowed to drip slowly. 

&&

$$

Jakub
715 
WWUS73 KICT 181256
NPWICT

URGENT - WEATHER MESSAGE
National Weather Service Wichita KS
756 AM CDT Sun Apr 18 2021

KSZ032-033-047>051-067-190300-
/O.EXP.KICT.FR.Y.0003.000000T0000Z-210418T1300Z/
/O.CON.KICT.FZ.A.0001.210420T0600Z-210420T1500Z/
/O.CON.KICT.FZ.A.0002.210421T0600Z-210421T1500Z/
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Reno-
Including the cities of Russell, Lincoln, Sylvan Grove, 
Great Bend, Ellsworth, Wilson, Salina, Lyons, Sterling, 
McPherson, and Hutchinson
756 AM CDT Sun Apr 18 2021

...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY MORNING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY MORNING...
...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING...

* WHAT...For the first Freeze Watch, sub-freezing temperatures 
  as low as 28 possible. For the second Freeze Watch, sub-
  freezing temperatures as low as 27 possible.

* WHERE...Russell, Lincoln, Barton, Ellsworth, Saline, Rice, 
  McPherson and Reno Counties.

* WHEN...For the first Freeze Watch, from late Monday night 
  through Tuesday morning. For the second Freeze Watch, from late 
  Tuesday night through Wednesday morning.

* IMPACTS...Frost and freeze conditions could 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.

&&

$$

KSZ052-053-068-069-082-083-091-190300-
/O.CON.KICT.FZ.A.0001.210420T0600Z-210420T1500Z/
/O.CON.KICT.FZ.A.0002.210421T0600Z-210421T1500Z/
Marion-Chase-Harvey-Butler-Kingman-Sedgwick-Harper-
Including the cities of Hillsboro, Marion, Peabody, 
Cottonwood Falls, Strong City, Newton, El Dorado, Augusta, 
Andover, Rose Hill, Kingman, Derby, Haysville, Bel Aire, 
Park City, Valley Center, Wichita, Anthony, Harper, and Attica
756 AM CDT Sun Apr 18 2021

...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY MORNING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...For the first Freeze Watch, sub-freezing temperatures 
  as low as 31 possible. For the second Freeze Watch, sub- 
  freezing temperatures as low as 28 possible.

* WHERE...Marion, Chase, Harvey, Butler, Kingman, Sedgwick and 
  Harper Counties.

* WHEN...For the first Freeze Watch, from late Monday night 
  through Tuesday morning. For the second Freeze Watch, from 
  late Tuesday night through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be ready to take steps to protect tender plants and outdoor above
ground pipes from the cold. To prevent freezing and possible
bursting of above ground outdoor water pipes they should be
wrapped, drained, or allowed to drip slowly.

&&

$$

KSZ070>072-092>096-098>100-190300-
/O.CON.KICT.FZ.A.0002.210421T0600Z-210421T1500Z/
Greenwood-Woodson-Allen-Sumner-Cowley-Elk-Wilson-Neosho-
Chautauqua-Montgomery-Labette-
Including the cities of Eureka, Madison, Yates Center, Iola, 
Humboldt, Wellington, Winfield, Arkansas City, Howard, Moline, 
Longton, Grenola, Neodesha, Fredonia, Chanute, Sedan, Cedar Vale,
Coffeyville, Independence, and Parsons
756 AM CDT Sun Apr 18 2021

...FREEZE WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...Sub-freezing temperatures as low as 29 possible.

* WHERE...Portions of South Central and Southeast Kansas.

* WHEN...From late Tuesday night through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be ready to take steps to protect tender plants and outdoor above
ground pipes from the cold. To prevent freezing and possible
bursting of above ground outdoor water pipes they should be
wrapped, drained, or allowed to drip slowly.

&&

$$

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.