Alert archive / Kansas / Wind Advisories in 2017

Wind Advisory 13, NWS Topeka, KS

December 13, 2017Brown County, Marshall County, Nemaha County, Kansas

NWS Topeka, KS issued this wind advisory at Dec 13, 2017, 11:02 AM CST for Brown County, Marshall County, Nemaha County, Kansas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2017, 11:02 AM CST (17:02 UTC)
Expired
Dec 13, 2017, 3:00 PM CST
In force
4 hr
Issued by
NWS Topeka, KS

Counties Brown County, KS, Marshall County, KS, Nemaha County, KS

The radar

The Topeka radar (KTWX), 91 km from the middle of the area, began a volume at 17:03 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 (KFOE), launched 12:00Z, 5.0 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2017-12-13Temperature 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 12:00Z on 2017-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 square meters per square second.19395878Sfc1 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
2565 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

804 
WWUS73 KTOP 131702
NPWTOP

URGENT - WEATHER MESSAGE
National Weather Service Topeka KS
1102 AM CST Wed Dec 13 2017

KSZ010>012-132100-
/O.NEW.KTOP.WI.Y.0013.171213T1702Z-171213T2100Z/
Marshall-Nemaha-Brown-
Including the cities of Marysville, Blue Rapids, Frankfort, 
Sabetha, Seneca, Hiawatha, and Horton
1102 AM CST Wed Dec 13 2017

...WIND ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

The National Weather Service in Topeka has issued a Wind
Advisory, which is in effect until 3 PM CST this afternoon. 

* TIMING...Through the afternoon hours.

* WINDS...Northwest winds sustained between 30 and 35 MPH with 
  gusts upwards of 50 MPH.

* IMPACTS...Motorists should use caution, especially high-profile
  vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or gusts to
45 mph are expected. Steps should be taken to secure any lawn
furniture or light weight objects and use extra caution when
driving.

&&

$$
1 follow-up statement
505 
WWUS73 KTOP 132054
NPWTOP

URGENT - WEATHER MESSAGE
National Weather Service Topeka KS
254 PM CST Wed Dec 13 2017

KSZ010>012-132200-
/O.EXP.KTOP.WI.Y.0013.000000T0000Z-171213T2100Z/
Marshall-Nemaha-Brown-
Including the cities of Marysville, Blue Rapids, Frankfort, 
Sabetha, Seneca, Hiawatha, and Horton
254 PM CST Wed Dec 13 2017

...WIND ADVISORY WILL EXPIRE AT 3 PM CST THIS AFTERNOON...

Wind speeds have decreased below wind advisory criteria, 
therefore the advisory will be allowed to expire at 3 PM.

$$

Nearby

Wind Advisories in Kansas, 2017Every wind advisory in 2017

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.