Alert archive / Kansas / Special Weather Statements in 2018

Special Weather Statement, NWS Topeka, KS

June 2, 20186 counties in Kansas

NWS Topeka, KS issued this special weather statement at Jun 2, 2018, 2:08 AM CDT for 6 counties in Kansas. It was in force for 52 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 2, 2018, 2:08 AM CDT (07:08 UTC)
Expired
Jun 2, 2018, 3:00 AM CDT
In force
52 min
Issued by
NWS Topeka, KS

Counties Cloud County, KS, Jackson County, KS, Marshall County, KS, Nemaha County, KS, Republic County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 81 km from the middle of the area, began a volume at 07:12 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.

What was reported inside it

TimeReportWhereRemark
Jun 2, 2:36 AM CDTTSTM WND GST 61Concordia Airport, KS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 7.1 hours before the alert went out and 111 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 2018-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2011 joules per kilogram.LCLLFCEL10008507005003002001001 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 2018-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 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
2011 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
1778 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

433 
WWUS83 KTOP 020708
SPSTOP

Special Weather Statement
National Weather Service Topeka KS
208 AM CDT SAT JUN 2 2018
 
KSZ008>012-020>024-020800-
Republic-Clay-Pottawatomie-Cloud-Brown-Riley-Jackson-Washington-
Nemaha-Marshall-
208 AM CDT SAT JUN 2 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN RILEY...NORTHERN
POTTAWATOMIE...NEMAHA...NORTHERN JACKSON...REPUBLIC...WASHINGTON...
SOUTHWESTERN BROWN...NORTHERN CLAY...NORTHERN CLOUD AND MARSHALL
COUNTIES UNTIL 300 AM CDT...

At 206 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles northeast of Axtell to near Republic to
Portis. Movement was southeast at 35 mph.

Half inch hail and winds of 40 TO 50 mph will be possible with these 
storms.

Locations impacted include...
Concordia, Clay Center, Holton, Marysville, Sabetha, Seneca,
Belleville, Horton, Washington, Blue Rapids, Westmoreland, Blaine,
Frankfort, Clyde, Onaga, Hanover, Waterville, Clifton, Centralia and
Linn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may 
lead to ponding of water on roads. Do not drive your vehicle through 
flooded roadways.

&&

LAT...LON 3994 9793 3999 9782 4000 9580 3965 9550
      3965 9556 3942 9557 3942 9559 3939 9559
      3938 9734 3955 9793
TIME...MOT...LOC 0706Z 326DEG 30KT 3998 9617 3994 9778 3955 9868 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 1:27 AM CDTSpecial Weather StatementTOPMarshall, Republic, Washington33 min
Jun 2, 2:56 AM CDTSpecial Weather StatementTOPBrown, Clay, Cloud, Geary, Jackson, Jefferson and 5 more64 min
Jun 2, 3:53 AM CDTSpecial Weather StatementTOPDickinson, Douglas, Franklin, Geary, Jackson, Jefferson and 8 more52 min
Jun 2, 4:41 AM CDTSpecial Weather StatementTOPAnderson, Coffey, Douglas, Franklin, Lyon, Osage and 2 more49 min
Jun 2, 5:17 AM CDTSevere Thunderstorm WarningTOPCoffey, Lyon, Osage43 min
Jun 2, 5:34 AM CDTSevere Thunderstorm WarningTOPLyon26 min
Jun 2, 5:58 AM CDTSpecial Weather StatementTOPAnderson, Coffey, Franklin32 min
Jun 2, 6:34 AM CDTSpecial Weather StatementTOPAnderson26 min

Nearby

Special Weather Statements in Kansas, 2018Every special weather statement in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.