Alert archive / Kansas / Frost Advisories in 2021

Frost Advisory 5, NWS Goodland, KS

October 24, 2021Yuma County, Colorado; 5 counties in Kansas

NWS Goodland, KS issued this frost advisory at Oct 24, 2021, 1:28 PM MDT for Yuma County, Colorado; 5 counties in Kansas. It took effect at Oct 25, 2021, 12:00 AM MDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 24, 2021, 1:28 PM MDT (19:28 UTC)
In effect from
Oct 25, 2021, 12:00 AM MDT
Expired
Oct 25, 2021, 7:53 AM MDT
In force
8 hr
Issued by
NWS Goodland, KS

Counties Yuma County, CO, Cheyenne County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS

The radar

The Goodland radar (KGLD), 19 km from the middle of the area, began a volume at 19:32 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 12:00Z, 7.5 hours before the alert went out and 142 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 12:00Z on 2021-10-24Temperature 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 12:00Z on 2021-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.1939587897Sfc1 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
2064 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

167 
WWUS73 KGLD 241928
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
128 PM MDT Sun Oct 24 2021

COZ090-KSZ001-013-250600-
/O.NEW.KGLD.FR.Y.0005.211025T0600Z-211025T1400Z/
Yuma-Cheyenne-Sherman-
Including the cities of Yuma, Wray, St. Francis, Bird City, 
and Goodland
128 PM MDT Sun Oct 24 2021 /228 PM CDT Sun Oct 24 2021/

...FROST ADVISORY IN EFFECT FROM MIDNIGHT MDT /1 AM CDT/ TONIGHT
TO 8 AM MDT /9 AM CDT/ MONDAY...

* WHAT...Temperatures in the low to mid 30s will result in frost 
  formation.

* WHERE...In Kansas, Cheyenne and Sherman Counties. In Colorado, 
  Yuma County.

* WHEN...From midnight MDT /1 AM CDT/ tonight to 8 AM MDT /9 AM 
  CDT/ Monday.

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

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
221 
WWUS73 KGLD 250230
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
830 PM MDT Sun Oct 24 2021

COZ090-KSZ001-013-251400-
/O.CON.KGLD.FR.Y.0005.211025T0600Z-211025T1400Z/
Yuma-Cheyenne-Sherman-
Including the cities of Yuma, Wray, St. Francis, Bird City, 
and Goodland
830 PM MDT Sun Oct 24 2021 /930 PM CDT Sun Oct 24 2021/

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT MDT /1 AM CDT/
TONIGHT TO 8 AM MDT /9 AM CDT/ MONDAY...

* WHAT...Temperatures in the mid 30s may result in frost  
  formation.

* WHERE...In Kansas, Cheyenne and Sherman Counties. In Colorado, 
  Yuma County.

* WHEN...From midnight MDT /1 AM CDT/ tonight to 8 AM MDT /9 AM 
  CDT/ Monday.

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


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.

&&

$$
314 
WWUS73 KGLD 251122
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
522 AM MDT Mon Oct 25 2021

KSZ002-014-251600-
/O.NEW.KGLD.FG.Y.0023.211025T1122Z-211025T1600Z/
/O.EXA.KGLD.FR.Y.0005.000000T0000Z-211025T1400Z/
Rawlins-Thomas-
Including the cities of Atwood and Colby
622 AM CDT Mon Oct 25 2021

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING...
...FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* WHAT...For the Frost Advisory, temperatures as low as 37 will 
  result in frost formation. For the Dense Fog Advisory, 
  visibility one quarter to one half mile in dense fog.

* WHERE...Rawlins and Thomas Counties.

* WHEN...For the Frost Advisory, until 9 AM CDT this morning. 
  For the Dense Fog Advisory, until 11 AM CDT this morning.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered. Hazardous driving conditions due to low 
  visibility.

* The dense fog may end before 11 AM CDT.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

KSZ003-004-015-016-028-029-NEZ080-081-251600-
/O.NEW.KGLD.FG.Y.0023.211025T1122Z-211025T1600Z/
Decatur-Norton-Sheridan-Graham-Logan-Gove-Hitchcock-Red Willow-
Including the cities of Oberlin, Norton, Hoxie, Hill City, 
Oakley, Quinter, Grinnell, Grainfield, Culbertson, Trenton, 
Stratton Ne, Palisade, and McCook
622 AM CDT Mon Oct 25 2021

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...In Kansas, Decatur, Norton, Sheridan, Graham, Logan 
  and Gove Counties. In Nebraska, Hitchcock and Red Willow 
  Counties.

* WHEN...Until 11 AM CDT this morning.

* IMPACTS...Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...The dense fog may end prior to 11 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

COZ090-KSZ001-013-251400-
/O.CON.KGLD.FR.Y.0005.000000T0000Z-211025T1400Z/
Yuma-Cheyenne-Sherman-
Including the cities of Yuma, Wray, St. Francis, Bird City, 
and Goodland
522 AM MDT Mon Oct 25 2021 /622 AM CDT Mon Oct 25 2021/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT /9 AM CDT/
THIS MORNING...

* WHAT...Temperatures in the mid 30s may result in frost 
  formation.

* WHERE...In Kansas, Cheyenne and Sherman Counties. In Colorado, 
  Yuma County.

* WHEN...From midnight MDT /1 AM CDT/ tonight to 8 AM MDT /9 AM 
  CDT/ Monday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

JTL
568 
WWUS73 KGLD 251135
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
535 AM MDT Mon Oct 25 2021

KSZ027-251400-
/O.EXA.KGLD.FR.Y.0005.000000T0000Z-211025T1400Z/
Wallace-
Including the city of Sharon Springs
535 AM MDT Mon Oct 25 2021

...FROST ADVISORY IN EFFECT UNTIL 8 AM MDT THIS MORNING...

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

* WHERE...Wallace County.

* WHEN...For the Frost Advisory, until 9 AM CDT this morning. 
  For the Dense Fog Advisory, until 11 AM CDT this morning.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered. Hazardous driving conditions due to low 
  visibility.

* ADDITIONAL DETAILS...

* The dense fog may end before 11 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

KSZ002-014-251600-
/O.CON.KGLD.FG.Y.0023.000000T0000Z-211025T1600Z/
/O.CON.KGLD.FR.Y.0005.000000T0000Z-211025T1400Z/
Rawlins-Thomas-
Including the cities of Atwood and Colby
635 AM CDT Mon Oct 25 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM CDT THIS
MORNING...
...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* WHAT...For the Frost Advisory, temperatures as low as 27 will 
  result in frost formation. For the Dense Fog Advisory, 
  visibility one quarter to one half mile in dense fog.

* WHERE...Rawlins and Thomas Counties.

* WHEN...For the Frost Advisory, until 9 AM CDT this morning. 
  For the Dense Fog Advisory, until 11 AM CDT this morning.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered. Hazardous driving conditions due to low 
  visibility.

* ADDITIONAL DETAILS...Be prepared for rapidly changing visibility
  due to dense fog.

* The dense fog may end before 11 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

KSZ003-004-015-016-028-029-NEZ080-081-251600-
/O.CON.KGLD.FG.Y.0023.000000T0000Z-211025T1600Z/
Decatur-Norton-Sheridan-Graham-Logan-Gove-Hitchcock-Red Willow-
Including the cities of Oberlin, Norton, Hoxie, Hill City, 
Oakley, Quinter, Grinnell, Grainfield, Culbertson, Trenton, 
Stratton Ne, Palisade, and McCook
635 AM CDT Mon Oct 25 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM CDT THIS
MORNING...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...In Kansas, Decatur, Norton, Sheridan, Graham, Logan 
  and Gove Counties. In Nebraska, Hitchcock and Red Willow 
  Counties.

* WHEN...Until 11 AM CDT this morning.

* IMPACTS...Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...The dense fog may end prior to 11 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

COZ090-KSZ001-013-251400-
/O.CON.KGLD.FR.Y.0005.000000T0000Z-211025T1400Z/
Yuma-Cheyenne-Sherman-
Including the cities of Yuma, Wray, St. Francis, Bird City, 
and Goodland
535 AM MDT Mon Oct 25 2021 /635 AM CDT Mon Oct 25 2021/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT /9 AM CDT/
THIS MORNING...

* WHAT...Temperatures in the mid 30s may result in frost 
  formation.

* WHERE...In Kansas, Cheyenne and Sherman Counties. In Colorado, 
  Yuma County.

* WHEN...From midnight MDT /1 AM CDT/ tonight to 8 AM MDT /9 AM 
  CDT/ Monday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
819 
WWUS73 KGLD 251353
NPWGLD

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
753 AM MDT Mon Oct 25 2021

KSZ002-014-251600-
/O.CAN.KGLD.FR.Y.0005.000000T0000Z-211025T1400Z/
/O.CON.KGLD.FG.Y.0023.000000T0000Z-211025T1600Z/
Rawlins-Thomas-
Including the cities of Atwood and Colby
853 AM CDT Mon Oct 25 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM CDT THIS
MORNING...
...FROST ADVISORY IS CANCELLED...

* WHAT...Visibility one to two miles in dense fog.

* WHERE...Rawlins and Thomas Counties.

* WHEN...Until 11 AM CDT this morning.

* IMPACTS...Hazardous driving conditions due to low visibility.

* The dense fog may end before 11 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

COZ090-KSZ001-013-027-251500-
/O.CAN.KGLD.FR.Y.0005.000000T0000Z-211025T1400Z/
Yuma-Cheyenne-Sherman-Wallace-
Including the cities of Yuma, Wray, St. Francis, Bird City, 
Goodland, and Sharon Springs
753 AM MDT Mon Oct 25 2021 /853 AM CDT Mon Oct 25 2021/

...FROST ADVISORY IS CANCELLED...

Temperatures have risen above frost criteria along with fog and
clouds moving into the advisory area, therefore the advisory has
been cancelled.

$$

KSZ003-004-015-016-028-029-NEZ080-081-251600-
/O.CON.KGLD.FG.Y.0023.000000T0000Z-211025T1600Z/
Decatur-Norton-Sheridan-Graham-Logan-Gove-Hitchcock-Red Willow-
Including the cities of Oberlin, Norton, Hoxie, Hill City, 
Oakley, Quinter, Grinnell, Grainfield, Culbertson, Trenton, 
Stratton Ne, Palisade, and McCook
853 AM CDT Mon Oct 25 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM CDT THIS
MORNING...

* WHAT...Visibility one quarter to one half mile in dense fog.

* WHERE...In Kansas, Decatur, Sheridan, Norton, Graham, Logan 
  and Gove Counties. In Nebraska, Red Willow and Hitchcock 
  Counties.

* WHEN...Until 11 AM CDT this morning.

* IMPACTS...Hazardous driving conditions due to low visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 23, 8:45 PM MDTDense Fog AdvisoryGLDCheyenne, Kit Carson, Yuma8 hr

Nearby

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