Alert archive / Kansas / Wind Advisories in 2021

Wind Advisory 2, NWS Topeka, KS

February 4, 202120 counties in Kansas

NWS Topeka, KS issued this wind advisory at Feb 4, 2021, 4:20 AM CST for 20 counties in Kansas. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 4, 2021, 4:20 AM CST (10:20 UTC)
Expired
Feb 4, 2021, 10:01 AM CST
In force
6 hr
Issued by
NWS Topeka, KS

Counties Anderson County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Geary County, KS, Jackson County, KS, Lyon County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 28 km from the middle of the area, began a volume at 10:21 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

Topeka, KS (KTOP), launched 00:00Z, 10.3 hours before the alert went out and 75 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, Topeka, KS at 00:00Z on 2021-02-04Temperature 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, Topeka, KS at 00:00Z on 2021-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 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
1858 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
298 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

516 
WWUS73 KTOP 041020
NPWTOP

URGENT - WEATHER MESSAGE
National Weather Service Topeka KS
420 AM CST Thu Feb 4 2021

KSZ008>010-020>022-034>036-041700-
/O.NEW.KTOP.WI.Y.0002.210204T1020Z-210204T1700Z/
Republic-Washington-Marshall-Cloud-Clay-Riley-Ottawa-Dickinson-
Geary-
Including the cities of Belleville, Washington, Hanover, Clifton,
Linn, Greenleaf, Marysville, Blue Rapids, Frankfort, Concordia, 
Clay Center, Manhattan, Minneapolis, Bennington, Abilene, 
Herington, and Junction City
420 AM CST Thu Feb 4 2021

...WIND ADVISORY IN EFFECT UNTIL 11 AM CST THIS MORNING...

* WHAT...North winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Republic, Washington, Marshall, Cloud, Clay, Riley, 
  Ottawa, Dickinson and Geary Counties.

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

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  The winds combined with any falling snow may cause greatly
  reduced visibilities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

KSZ011-012-023-024-037>039-054-041700-
/O.NEW.KTOP.WI.Y.0002.210204T1200Z-210204T1900Z/
Nemaha-Brown-Pottawatomie-Jackson-Morris-Wabaunsee-Shawnee-Lyon-
Including the cities of Sabetha, Seneca, Hiawatha, Horton, 
Wamego, St. Marys, Holton, Council Grove, Alma, Eskridge, 
Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, Topeka, 
and Emporia
420 AM CST Thu Feb 4 2021

...WIND ADVISORY IN EFFECT UNTIL 1 PM CST THIS AFTERNOON...

* WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Nemaha, Brown, Pottawatomie, Jackson, Morris, 
  Wabaunsee, Shawnee and Lyon Counties.

* WHEN...Until 1 PM CST this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  The winds combined with any falling snow may cause greatly
  reduced visibilities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

KSZ055-058-059-041700-
/O.NEW.KTOP.WI.Y.0002.210204T1400Z-210204T2000Z/
Osage-Coffey-Anderson-
Including the cities of Osage City, Carbondale, Lyndon, 
Burlingame, Overbrook, Burlington, Lebo, and Garnett
420 AM CST Thu Feb 4 2021

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 PM CST
THIS AFTERNOON...

* WHAT...Northwest winds 25 to 30 mph with gusts to around 45 mph
  expected.

* WHERE...Osage, Coffey and Anderson Counties.

* WHEN...From 8 AM this morning to 2 PM CST this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
1 follow-up statement
682 
WWUS73 KTOP 041601
NPWTOP

URGENT - WEATHER MESSAGE
National Weather Service Topeka KS
1001 AM CST Thu Feb 4 2021

KSZ011-012-023-024-037>039-054-041715-
/O.CAN.KTOP.WI.Y.0002.000000T0000Z-210204T1900Z/
Nemaha-Brown-Pottawatomie-Jackson-Morris-Wabaunsee-Shawnee-Lyon-
Including the cities of Sabetha, Seneca, Hiawatha, Horton, 
Wamego, St. Marys, Holton, Council Grove, Alma, Eskridge, 
Maple Hill, Alta Vista, McFarland, Harveyville, Paxico, Topeka, 
and Emporia
1001 AM CST Thu Feb 4 2021

...WIND ADVISORY IS CANCELLED...

Wind speeds have decreased below advisory criteria, therefore the
Wind Advisory has been cancelled.

$$

KSZ055-058-059-041715-
/O.CAN.KTOP.WI.Y.0002.000000T0000Z-210204T2000Z/
Osage-Coffey-Anderson-
Including the cities of Osage City, Carbondale, Lyndon, 
Burlingame, Overbrook, Burlington, Lebo, and Garnett
1001 AM CST Thu Feb 4 2021

...WIND ADVISORY IS CANCELLED...

Wind speeds have decreased below advisory criteria, therefore the
Wind Advisory has been cancelled.

$$

KSZ008>010-020>022-034>036-041715-
/O.CAN.KTOP.WI.Y.0002.000000T0000Z-210204T1700Z/
Republic-Washington-Marshall-Cloud-Clay-Riley-Ottawa-Dickinson-
Geary-
Including the cities of Belleville, Washington, Hanover, Clifton,
Linn, Greenleaf, Marysville, Blue Rapids, Frankfort, Concordia, 
Clay Center, Manhattan, Minneapolis, Bennington, Abilene, 
Herington, and Junction City
1001 AM CST Thu Feb 4 2021

...WIND ADVISORY IS CANCELLED...

Wind speeds have decreased below advisory criteria, therefore the
Wind Advisory has been cancelled.

$$

Nearby

Wind Advisories in Kansas, 2021Every wind 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.