Alert archive / Kansas / Frost Advisories in 2021

Frost Advisory 4, NWS Dodge City, KS

October 30, 202110 counties in Kansas

NWS Dodge City, KS issued this frost advisory at Oct 30, 2021, 2:14 PM CDT for 10 counties in Kansas. It took effect at Oct 31, 2021, 1:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Oct 30, 2021, 2:14 PM CDT (19:14 UTC)
In effect from: Oct 31, 2021, 1:00 AM CDT
Expired: Oct 31, 2021, 10:00 AM CDT
In force: 9 hr
Issued by: NWS Dodge City, KS

Counties Finney County, KS, Grant County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Ness County, KS, Scott County, KS, Stanton County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 90 km from the middle of the area, began a volume at 19:17 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 12:00Z, 7.2 hours before the alert went out and 95 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2669 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

847 
WWUS73 KDDC 301914
NPWDDC

URGENT - WEATHER MESSAGE
National Weather Service Dodge City KS
214 PM CDT Sat Oct 30 2021

KSZ030-043>045-061>063-074>076-311500-
/O.NEW.KDDC.FR.Y.0004.211031T0600Z-211031T1500Z/
Trego-Scott-Lane-Ness-Hamilton-Kearny-Finney-Stanton-Grant-
Haskell-
Including the cities of Wakeeney, Scott City, Scott State Lake, 
Dighton, Ness City, Syracuse, Lakin, Deerfield, Garden City, 
Johnson City, Ulysses, Sublette, and Satanta
214 PM CDT Sat Oct 30 2021 /114 PM MDT Sat Oct 30 2021/

...FROST ADVISORY IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO 10 AM
CDT /9 AM MDT/ SUNDAY...

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

* WHERE...Trego, Scott, Lane, Ness, Hamilton, Kearny, Finney, 
  Stanton, Grant and Haskell Counties.

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

1 follow-up statement

361 
WWUS73 KDDC 311432
NPWDDC

URGENT - WEATHER MESSAGE
National Weather Service Dodge City KS
932 AM CDT Sun Oct 31 2021

KSZ030-043>045-061>063-074>076-311545-
/O.EXP.KDDC.FR.Y.0004.000000T0000Z-211031T1500Z/
Trego-Scott-Lane-Ness-Hamilton-Kearny-Finney-Stanton-Grant-
Haskell-
Including the cities of Wakeeney, Scott City, Scott State Lake, 
Dighton, Ness City, Syracuse, Lakin, Deerfield, Garden City, 
Johnson City, Ulysses, Sublette, and Satanta
932 AM CDT Sun Oct 31 2021 /832 AM MDT Sun Oct 31 2021/

...FROST ADVISORY WILL EXPIRE AT 10 AM CDT /9 AM MDT/ THIS
MORNING...

$$

Nearby

Frost Advisories in Kansas, 2021 Every 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.