Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Wichita, KS

October 12, 2021Harper County, Kansas

NWS Wichita, KS issued this special weather statement at Oct 12, 2021, 1:39 PM CDT for Harper County, Kansas. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 12, 2021, 1:39 PM CDT (18:39 UTC)
Expired
Oct 12, 2021, 2:15 PM CDT
In force
36 min
Issued by
NWS Wichita, KS
Hail
0.88 in
Wind
50

County Harper County, KS

The radar

The Vance AFB radar (KVNX), 49 km from the middle of the area, began a volume at 18:43 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, 6.7 hours before the alert went out and 160 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, Dodge City, at 12:00Z on 2021-10-12Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2021-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 276 square meters per square second.1939587897117136Sfc1 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
1890 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
276 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

899 
WWUS83 KICT 121839
SPSICT

Special Weather Statement
National Weather Service Wichita KS
139 PM CDT Tue Oct 12 2021
 
KSZ091-121915-
Harper KS-
139 PM CDT Tue Oct 12 2021

...A strong thunderstorm will impact portions of northwestern Harper
County through 215 PM CDT...

At 139 PM CDT, Doppler radar was tracking a strong thunderstorm near
Hazelton, moving northeast at 50 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Anthony, Harper, Attica, Corwin and Crystal Springs. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3700 9835 3738 9835 3738 9833 3727 9791
      3700 9822
TIME...MOT...LOC 1839Z 212DEG 44KT 3703 9834 

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

$$

MCGUIRE

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 2:13 PM CDTSpecial Weather StatementICTRice32 min
Oct 12, 5:18 PM CDTSpecial Weather StatementICTChautauqua42 min
Oct 12, 5:40 PM CDTSpecial Weather StatementICTElk50 min
Oct 12, 6:05 PM CDTSpecial Weather StatementICTElk, Wilson55 min
Oct 12, 6:11 PM CDTSevere Thunderstorm WarningICTChautauqua, Elk, Montgomery, Wilson30 min

Nearby

Special Weather Statements in Kansas, 2021Every special weather statement 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.