Alert archive / Kansas / Frost Advisories in 2021

Frost Advisory 2, NWS Goodland, KS

October 14, 20214 counties in Kansas; Dundy County, Nebraska; Cheyenne County, Kit Carson County, Yuma County, Colorado

NWS Goodland, KS issued this frost advisory at Oct 14, 2021, 4:22 AM CDT for 4 counties in Kansas; Dundy County, Nebraska; Cheyenne County, Kit Carson County, Yuma County, Colorado. It took effect at Oct 15, 2021, 1:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 14, 2021, 4:22 AM CDT (09:22 UTC)
In effect from
Oct 15, 2021, 1:00 AM CDT
Expired
Oct 15, 2021, 10:00 AM CDT
In force
9 hr
Issued by
NWS Goodland, KS

Counties Cheyenne County, CO, Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Greeley County, KS, Sherman County, KS, Wallace County, KS, Dundy County, NE

The radar

The Goodland radar (KGLD), 29 km from the middle of the area, began a volume at 09:23 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

Denver, CO (KDNR), launched 00:00Z, 9.4 hours before the alert went out and 117 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, Denver, CO at 00:00Z on 2021-10-14Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2021-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
2618 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

431 
WWUS73 KGLD 140922
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
322 AM MDT Thu Oct 14 2021

COZ090>092-KSZ001-013-NEZ079-141730-
/O.NEW.KGLD.FR.Y.0002.211015T0600Z-211015T1500Z/
/O.CON.KGLD.FR.Y.0001.000000T0000Z-211014T1500Z/
Yuma-Kit Carson-Cheyenne-Sherman-Dundy-
Including the cities of Yuma, Wray, Burlington, Arapahoe, 
Cheyenne Wells, St. Francis, Bird City, Goodland, and Benkelman
322 AM MDT Thu Oct 14 2021 /422 AM CDT Thu Oct 14 2021/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT /10 AM CDT/
THIS MORNING...
...FROST ADVISORY IN EFFECT FROM MIDNIGHT MDT /1 AM CDT/ TONIGHT
TO 9 AM MDT /10 AM CDT/ FRIDAY...

* WHAT...For the first Frost Advisory, temperatures as low as 30 
  will result in frost formation. For the second Frost Advisory, 
  temperatures as low as 30 will result in frost formation.

* WHERE...In Kansas, Cheyenne and Sherman Counties. In Colorado, 
  Yuma, Kit Carson and Cheyenne Counties. In Nebraska, Dundy 
  County.

* WHEN...For the first Frost Advisory, until 9 AM MDT /10 AM 
  CDT/ this morning. For the second Frost Advisory, from 
  midnight MDT /1 AM CDT/ tonight to 9 AM MDT /10 AM CDT/ Friday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

KSZ027-141730-
/O.NEW.KGLD.FR.Y.0002.211015T0600Z-211015T1500Z/
Wallace-
Including the city of Sharon Springs
322 AM MDT Thu Oct 14 2021

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
FRIDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Wallace County.

* WHEN...From midnight tonight to 9 AM MDT Friday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

KSZ002>004-014>016-NEZ080-081-141500-
/O.CON.KGLD.FR.Y.0001.000000T0000Z-211014T1500Z/
Rawlins-Decatur-Norton-Thomas-Sheridan-Graham-Hitchcock-
Red Willow-
Including the cities of Atwood, Oberlin, Norton, Colby, Hoxie, 
Hill City, Culbertson, Trenton, Stratton Ne, Palisade, and McCook
422 AM CDT Thu Oct 14 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Temperatures could drop to around 32 degrees resulting 
  in frost formation.

* WHERE...Portions of northwest Kansas, east central and 
  northeast Colorado and southwest Nebraska.

* WHEN...From midnight MDT /1 AM CDT/ tonight to 9 AM MDT /10 AM 
  CDT/ Thursday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
4 follow-up statements
466 
WWUS73 KGLD 141503
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
903 AM MDT Thu Oct 14 2021

COZ090>092-KSZ001-013-NEZ079-142315-
/O.EXP.KGLD.FR.Y.0001.000000T0000Z-211014T1500Z/
/O.CON.KGLD.FR.Y.0002.211015T0600Z-211015T1500Z/
Yuma-Kit Carson-Cheyenne-Sherman-Dundy-
Including the cities of Yuma, Wray, Burlington, Arapahoe, 
Cheyenne Wells, St. Francis, Bird City, Goodland, and Benkelman
903 AM MDT Thu Oct 14 2021 /1003 AM CDT Thu Oct 14 2021/

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT MDT /1 AM CDT/
TONIGHT TO 9 AM MDT /10 AM CDT/ FRIDAY...
...FROST ADVISORY WILL EXPIRE AT 9 AM MDT /10 AM CDT/ THIS
MORNING...

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

* WHERE...In Kansas, Sherman and Cheyenne Counties. In Nebraska, 
  Dundy County. In Colorado, Cheyenne, Kit Carson and Yuma 
  Counties.

* WHEN...From midnight MDT /1 AM CDT/ tonight to 9 AM MDT /10 AM 
  CDT/ Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

KSZ002>004-014>016-NEZ080-081-141615-
/O.EXP.KGLD.FR.Y.0001.000000T0000Z-211014T1500Z/
Rawlins-Decatur-Norton-Thomas-Sheridan-Graham-Hitchcock-
Red Willow-
Including the cities of Atwood, Oberlin, Norton, Colby, Hoxie, 
Hill City, Culbertson, Trenton, Stratton Ne, Palisade, and McCook
1003 AM CDT Thu Oct 14 2021

...FROST ADVISORY EXPIRED AT 10 AM CDT THIS MORNING...

Temperatures have begun to increase this morning above 36 degrees,
allowing the expiration of the Frost Advisory to occur.

$$

KSZ027-142315-
/O.CON.KGLD.FR.Y.0002.211015T0600Z-211015T1500Z/
Wallace-
Including the city of Sharon Springs
903 AM MDT Thu Oct 14 2021

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
MDT FRIDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Wallace County.

* WHEN...From midnight tonight to 9 AM MDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Kauffman
387 
WWUS73 KGLD 141945
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
145 PM MDT Thu Oct 14 2021

COZ090>092-150345-
/O.UPG.KGLD.FR.Y.0002.211015T0600Z-211015T1500Z/
/O.NEW.KGLD.FZ.W.0001.211015T0600Z-211015T1500Z/
Yuma-Kit Carson-Cheyenne-
Including the cities of Yuma, Wray, Burlington, Arapahoe, 
and Cheyenne Wells
145 PM MDT Thu Oct 14 2021

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
FRIDAY...

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

* WHERE...Yuma, Kit Carson and Cheyenne Counties.

* WHEN...From midnight tonight to 9 AM MDT Friday.

* 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.

&&

$$

KSZ041-150345-
/O.EXA.KGLD.FR.Y.0002.211015T0600Z-211015T1500Z/
Greeley-
Including the city of Tribune
145 PM MDT Thu Oct 14 2021

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
FRIDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Greeley County.

* WHEN...From midnight tonight to 9 AM MDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

KSZ001-013-027-NEZ079-150345-
/O.CON.KGLD.FR.Y.0002.211015T0600Z-211015T1500Z/
Cheyenne-Sherman-Wallace-Dundy-
Including the cities of St. Francis, Bird City, Goodland, 
Sharon Springs, and Benkelman
145 PM MDT Thu Oct 14 2021 /245 PM CDT Thu Oct 14 2021/

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT MDT /1 AM CDT/
TONIGHT TO 9 AM MDT /10 AM CDT/ FRIDAY...

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...In Kansas, Sherman, Cheyenne and Wallace Counties. In 
  Nebraska, Dundy County.

* WHEN...From midnight MDT /1 AM CDT/ tonight to 9 AM MDT /10 AM 
  CDT/ Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Kauffman
919 
WWUS73 KGLD 150229
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
829 PM MDT Thu Oct 14 2021

COZ090>092-151500-
/O.CON.KGLD.FZ.W.0001.211015T0600Z-211015T1500Z/
Yuma-Kit Carson-Cheyenne-
Including the cities of Yuma, Wray, Burlington, Arapahoe, 
and Cheyenne Wells
829 PM MDT Thu Oct 14 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
MDT FRIDAY...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...Kit Carson, Yuma and Cheyenne Counties.

* WHEN...From midnight tonight to 9 AM MDT Friday.

* 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.

&&

$$

KSZ001-013-027-041-NEZ079-151500-
/O.CON.KGLD.FR.Y.0002.211015T0600Z-211015T1500Z/
Cheyenne-Sherman-Wallace-Greeley-Dundy-
Including the cities of St. Francis, Bird City, Goodland, 
Sharon Springs, Tribune, and Benkelman
829 PM MDT Thu Oct 14 2021 /929 PM CDT Thu Oct 14 2021/

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT MDT /1 AM CDT/
TONIGHT TO 9 AM MDT /10 AM CDT/ FRIDAY...

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...In Kansas, Greeley, Sherman, Cheyenne and Wallace 
  Counties. In Nebraska, Dundy County.

* WHEN...From midnight MDT /1 AM CDT/ tonight to 9 AM MDT /10 AM 
  CDT/ Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
817 
WWUS73 KGLD 151505
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
905 AM MDT Fri Oct 15 2021

COZ090>092-151615-
/O.EXP.KGLD.FZ.W.0001.000000T0000Z-211015T1500Z/
Yuma-Kit Carson-Cheyenne-
Including the cities of Yuma, Wray, Burlington, Arapahoe, 
and Cheyenne Wells
905 AM MDT Fri Oct 15 2021

...FREEZE WARNING HAS EXPIRED...

Temperatures have increased into the upper 30s to lower 40s this
morning, allowing the freeze warning to expire.

$$

KSZ001-013-027-041-NEZ079-151615-
/O.EXP.KGLD.FR.Y.0002.000000T0000Z-211015T1500Z/
Cheyenne-Sherman-Wallace-Greeley-Dundy-
Including the cities of St. Francis, Bird City, Goodland, 
Sharon Springs, Tribune, and Benkelman
905 AM MDT Fri Oct 15 2021 /1005 AM CDT Fri Oct 15 2021/

...FROST ADVISORY HAS EXPIRED...

Temperatures have increased into the lower 40s this morning, 
allowing the frost advisory to expire.

$$

Kauffman

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 14, 2:45 PM CDTFreeze WarningGLDCheyenne, Kit Carson, Yuma19 hr

Nearby

Frost Advisories in Kansas, 2021Frost Advisories in Colorado, 2021Frost Advisories in Nebraska, 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.