Alert archive / Kansas / Freeze Warnings in 2021

Freeze Warning 2, NWS Dodge City, KS

April 20, 202127 counties in Kansas

NWS Dodge City, KS issued this freeze warning at Apr 20, 2021, 4:13 AM CDT for 27 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, 4:13 AM CDT (09:13 UTC)
In effect from
Apr 21, 2021, 1:00 AM CDT
Expired
Apr 21, 2021, 8:54 AM CDT
In force
8 hr
Issued by
NWS Dodge City, KS
All 27 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Stafford County, KS, Stanton County, KS, Stevens County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 22 km from the middle of the area, began a volume at 09:13 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, 9.2 hours before the alert went out and 27 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 2021-04-20Temperature 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 2021-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 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
1206 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
617 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

541 
WWUS73 KDDC 200913
NPWDDC

URGENT - WEATHER MESSAGE
National Weather Service Dodge City KS
413 AM CDT Tue Apr 20 2021

KSZ043-044-061>064-074>081-084>090-202030-
/O.UPG.KDDC.FZ.A.0002.210421T0600Z-210421T1500Z/
/O.NEW.KDDC.FZ.W.0002.210421T0600Z-210421T1500Z/
/O.CON.KDDC.FZ.W.0001.000000T0000Z-210420T1500Z/
Scott-Lane-Hamilton-Kearny-Finney-Hodgeman-Stanton-Grant-Haskell-
Gray-Ford-Edwards-Kiowa-Pratt-Morton-Stevens-Seward-Meade-Clark-
Comanche-Barber-
Including the cities of Scott City, Scott State Lake, Dighton, 
Syracuse, Lakin, Deerfield, Garden City, Jetmore, Hanston, 
Johnson City, Ulysses, Sublette, Satanta, Cimarron, Montezuma, 
Dodge City, Kinsley, Lewis, Greensburg, Haviland, Pratt, Elkhart,
Hugoton, Liberal, Meade, Plains City, Fowler, Ashland, Minneola, 
Coldwater, Lake Coldwater, Protection, Medicine Lodge, and Kiowa
413 AM CDT Tue Apr 20 2021 /313 AM MDT Tue Apr 20 2021/

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/
THIS MORNING...
...FREEZE WARNING IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO 10 AM
CDT /9 AM MDT/ WEDNESDAY...

* WHAT...For the first Freeze Warning, sub-freezing temperatures 
  as low as 23. For the second Freeze Warning, sub-freezing 
  temperatures as low as 26 expected.

* WHERE...Portions of south central, southwest and west central 
  Kansas.

* WHEN...For the first Freeze Warning, until 10 AM CDT /9 AM 
  MDT/ this morning. For the second Freeze Warning, from 1 AM 
  CDT /midnight MDT/ to 10 AM CDT /9 AM MDT/ 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. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

KSZ030-031-045-046-065-066-202030-
/O.UPG.KDDC.FZ.A.0002.210421T0600Z-210421T1500Z/
/O.NEW.KDDC.FZ.W.0002.210421T0600Z-210421T1500Z/
Trego-Ellis-Ness-Rush-Pawnee-Stafford-
Including the cities of Wakeeney, Pfeifer, Hays, Ness City, 
La Crosse, Larned, St. John, Stafford, and Macksville
413 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 24 expected.

* WHERE...Trego, Ellis, Ness, Rush, Pawnee and Stafford Counties.

* 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. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
4 follow-up statements
844 
WWUS73 KDDC 201855
NPWDDC

URGENT - WEATHER MESSAGE
National Weather Service Dodge City KS
155 PM CDT Tue Apr 20 2021

KSZ030-031-043>046-061>066-074>081-084>090-210300-
/O.CON.KDDC.FZ.W.0002.210421T0600Z-210421T1500Z/
Trego-Ellis-Scott-Lane-Ness-Rush-Hamilton-Kearny-Finney-Hodgeman-
Pawnee-Stafford-Stanton-Grant-Haskell-Gray-Ford-Edwards-Kiowa-
Pratt-Morton-Stevens-Seward-Meade-Clark-Comanche-Barber-
Including the cities of Wakeeney, Pfeifer, Hays, Scott City, 
Scott State Lake, Dighton, Ness City, La Crosse, Syracuse, Lakin,
Deerfield, Garden City, Jetmore, Hanston, Larned, St. John, 
Stafford, Macksville, Johnson City, Ulysses, Sublette, Satanta, 
Cimarron, Montezuma, Dodge City, Kinsley, Lewis, Greensburg, 
Haviland, Pratt, Elkhart, Hugoton, Liberal, Meade, Plains City, 
Fowler, Ashland, Minneola, Coldwater, Lake Coldwater, Protection,
Medicine Lodge, and Kiowa
155 PM CDT Tue Apr 20 2021 /1255 PM MDT Tue Apr 20 2021/

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/
TO 10 AM CDT /9 AM MDT/ WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 24 expected.

* WHERE...Trego, Ellis, Ness, Rush, Pawnee and Stafford Counties.

* 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. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
168 
WWUS73 KDDC 210044
NPWDDC

URGENT - WEATHER MESSAGE
National Weather Service Dodge City KS
744 PM CDT Tue Apr 20 2021

KSZ030-031-043>046-061>066-074>081-084>090-211500-
/O.CON.KDDC.FZ.W.0002.210421T0600Z-210421T1500Z/
Trego-Ellis-Scott-Lane-Ness-Rush-Hamilton-Kearny-Finney-Hodgeman-
Pawnee-Stafford-Stanton-Grant-Haskell-Gray-Ford-Edwards-Kiowa-
Pratt-Morton-Stevens-Seward-Meade-Clark-Comanche-Barber-
Including the cities of Wakeeney, Pfeifer, Hays, Scott City, 
Scott State Lake, Dighton, Ness City, La Crosse, Syracuse, Lakin,
Deerfield, Garden City, Jetmore, Hanston, Larned, St. John, 
Stafford, Macksville, Johnson City, Ulysses, Sublette, Satanta, 
Cimarron, Montezuma, Dodge City, Kinsley, Lewis, Greensburg, 
Haviland, Pratt, Elkhart, Hugoton, Liberal, Meade, Plains City, 
Fowler, Ashland, Minneola, Coldwater, Lake Coldwater, Protection,
Medicine Lodge, and Kiowa
744 PM CDT Tue Apr 20 2021 /644 PM MDT Tue Apr 20 2021/

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/
TO 10 AM CDT /9 AM MDT/ WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 24 expected.

* WHERE...Central and southwestern 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. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
690 
WWUS73 KDDC 210901
NPWDDC

URGENT - WEATHER MESSAGE
National Weather Service Dodge City KS
401 AM CDT Wed Apr 21 2021

KSZ030-031-043>046-061>066-074>081-084>090-211500-
/O.CON.KDDC.FZ.W.0002.000000T0000Z-210421T1500Z/
Trego-Ellis-Scott-Lane-Ness-Rush-Hamilton-Kearny-Finney-Hodgeman-
Pawnee-Stafford-Stanton-Grant-Haskell-Gray-Ford-Edwards-Kiowa-
Pratt-Morton-Stevens-Seward-Meade-Clark-Comanche-Barber-
Including the cities of Wakeeney, Pfeifer, Hays, Scott City, 
Scott State Lake, Dighton, Ness City, La Crosse, Syracuse, Lakin,
Deerfield, Garden City, Jetmore, Hanston, Larned, St. John, 
Stafford, Macksville, Johnson City, Ulysses, Sublette, Satanta, 
Cimarron, Montezuma, Dodge City, Kinsley, Lewis, Greensburg, 
Haviland, Pratt, Elkhart, Hugoton, Liberal, Meade, Plains City, 
Fowler, Ashland, Minneola, Coldwater, Lake Coldwater, Protection,
Medicine Lodge, and Kiowa
401 AM CDT Wed Apr 21 2021 /301 AM MDT Wed Apr 21 2021/

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/
THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 24.

* WHERE...Portions of central, south central, southwest and west 
  central Kansas.

* WHEN...Until 10 AM CDT /9 AM MDT/ 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.

&&

$$
968 
WWUS73 KDDC 211354
NPWDDC

URGENT - WEATHER MESSAGE
National Weather Service Dodge City KS
854 AM CDT Wed Apr 21 2021

KSZ030-031-043>046-061>066-074>081-084>090-211500-
/O.CAN.KDDC.FZ.W.0002.000000T0000Z-210421T1500Z/
Trego-Ellis-Scott-Lane-Ness-Rush-Hamilton-Kearny-Finney-Hodgeman-
Pawnee-Stafford-Stanton-Grant-Haskell-Gray-Ford-Edwards-Kiowa-
Pratt-Morton-Stevens-Seward-Meade-Clark-Comanche-Barber-
Including the cities of Wakeeney, Pfeifer, Hays, Scott City, 
Scott State Lake, Dighton, Ness City, La Crosse, Syracuse, Lakin,
Deerfield, Garden City, Jetmore, Hanston, Larned, St. John, 
Stafford, Macksville, Johnson City, Ulysses, Sublette, Satanta, 
Cimarron, Montezuma, Dodge City, Kinsley, Lewis, Greensburg, 
Haviland, Pratt, Elkhart, Hugoton, Liberal, Meade, Plains City, 
Fowler, Ashland, Minneola, Coldwater, Lake Coldwater, Protection,
Medicine Lodge, and Kiowa
854 AM CDT Wed Apr 21 2021 /754 AM MDT Wed Apr 21 2021/

...FREEZE WARNING IS CANCELLED...

$$

Nearby

Freeze 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.