Alert archive / Kansas / Frost Advisories in 2021

Frost Advisory 3, NWS Dodge City, KS

October 29, 202123 counties in Kansas

NWS Dodge City, KS issued this frost advisory at Oct 29, 2021, 3:25 PM CDT for 23 counties in Kansas. It took effect at Oct 30, 2021, 4:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Oct 29, 2021, 3:25 PM CDT (20:25 UTC)
In effect from: Oct 30, 2021, 4:00 AM CDT
Expired: Oct 30, 2021, 9:00 AM CDT
In force: 5 hr
Issued by: NWS Dodge City, KS

All 23 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, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rush County, KS, Scott County, KS, Stafford County, KS, Stanton County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 23 km from the middle of the area, began a volume at 20:29 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.4 hours before the alert went out and 338 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: 2171 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

022 
WWUS73 KDDC 292025
NPWDDC

URGENT - WEATHER MESSAGE
National Weather Service Dodge City KS
325 PM CDT Fri Oct 29 2021

KSZ030-031-043>046-061>066-074>081-088>090-301400-
/O.NEW.KDDC.FR.Y.0003.211030T0900Z-211030T1400Z/
Trego-Ellis-Scott-Lane-Ness-Rush-Hamilton-Kearny-Finney-Hodgeman-
Pawnee-Stafford-Stanton-Grant-Haskell-Gray-Ford-Edwards-Kiowa-
Pratt-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, Ashland, Minneola, Coldwater, Lake Coldwater, 
Protection, Medicine Lodge, and Kiowa
325 PM CDT Fri Oct 29 2021 /225 PM MDT Fri Oct 29 2021/

...FROST ADVISORY IN EFFECT FROM 4 AM CDT /3 AM MDT/ TO 9 AM CDT
/8 AM MDT/ SATURDAY...

* WHAT...Temperatures as low as 35 will result in frost  
  formation.

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

* WHEN...From 4 AM CDT /3 AM MDT/ to 9 AM CDT /8 AM MDT/ 
  Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

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.