Alert archive / Kansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 181, NWS Wichita, KS

July 19, 20184 counties in Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jul 19, 2018, 4:17 PM CDT for 4 counties in Kansas. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 19, 2018, 4:17 PM CDT (21:17 UTC)
Expired
Jul 19, 2018, 5:05 PM CDT
In force
48 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Allen County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS

The radar

The Topeka radar (KTWX), 155 km from the middle of the area, began a volume at 21:18 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 19, 12:26 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 9.3 hours before the alert went out and 142 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 2018-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2062 joules per kilogram.LCLLFCEL10008507005003002001001 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, Topeka, KS at 12:00Z on 2018-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 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
2062 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
944 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
198 m²/s²
Significant tornado parameter
1.7
Supercell composite
9.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wichita, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 19, 3:29 PM CDT, 48 minutes earlier.

Area forecast discussion, Jul 19, 3:29 PM CDT, 48 minutes before
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Hazardous weather outlook, Jul 19, 12:48 PM CDT, 3 hours 29 minutes before
Hazardous Weather Outlook
National Weather Service Wichita KS
1248 PM CDT Thu Jul 19 2018

KSZ032-033-047>053-067>072-082-083-091>096-098>100-201800-
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase-
Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper-
Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette-
1248 PM CDT Thu Jul 19 2018

This hazardous weather outlook is for portions of Central Kansas,
South Central Kansas and Southeast Kansas.

.DAY ONE...This Afternoon and Tonight

Dangerous heat and humidity will grip all of Southern Kansas from
this afternoon until early this evening. For details, you should
refer to the Heat Advisory which is in effect from 1 PM until 8 PM
CDT. Heat indices from 102 to 104 are likely across Central Kansas.

Severe storms with golf ball size hail and winds to 70 mph are
possible this afternoon mainly north of Highway 50 where a severe
thunderstorm watch is in effect. South of Highway 50, the situation
is much more uncertain for storms. If they do develop, golf ball
size hail and winds to 70 mph are possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Intense heat and humidity are likely across extreme Southern Kansas
Friday afternoon where indices around 105 are possible, while heat
indices from 100 to 104 are likely for most other areas. Scattered
thunderstorms are possible for areas primarily along, and south, of
a line from Great Bend, through Newton, to Iola Friday evening.
Scattered thunderstorms may also occur across the region from late
Tuesday night thru late Wednesday night. A few thunderstorms may
once again produce gusts around 50 mph and heavy rains.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today or tonight.

&&

For a graphical version of this information, see our webpage at:
http://weather.gov/wichita/hwo/

KRC

In the hours before

Special weather statement, Jul 19, 11:57 AM CDT, 4 hours 20 minutes before
Special Weather Statement
National Weather Service Wichita KS
1157 AM CDT THU JUL 19 2018

KSZ033-191745-
Lincoln KS-
1157 AM CDT THU JUL 19 2018

The National Weather Service in Wichita has issued a

* Significant Weather Advisory for...
  Central Lincoln County in central Kansas...

* Until 1245 PM CDT.

* At 1154 AM CDT...National Weather Service meteorologists were
  tracking a strong thunderstorm near Hunter, or 19 miles northwest
  of Lincoln...moving southeast at 35 mph.

hail up to the size of nickels...and wind gusts up to 55 mph will be
possible with this storm.

* Locations impacted include...
  Lincoln, Sylvan Grove, Barnard and Ash Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared to take shelter in the event the storms intensify and
become severe...or a warning is issued by the National Weather
Service.

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3922 9801 3888 9818 3907 9848 3913 9848
      3913 9849 3922 9849
TIME...MOT...LOC 1657Z 297DEG 30KT 3917 9846

Martin
Special weather statement, Jul 19, 12:43 PM CDT, 3 hours 34 minutes before
Special Weather Statement
National Weather Service Wichita KS
1243 PM CDT THU JUL 19 2018

KSZ049-191830-
Saline KS-
1243 PM CDT THU JUL 19 2018

The National Weather Service in Wichita has issued a

* Significant Weather Advisory for...
  Northern Saline County in central Kansas...

* Until 130 PM CDT.

* At 1239 PM CDT...National Weather Service meteorologists were
  tracking a strong thunderstorm near Beverly, or 13 miles southeast
  of Lincoln...moving southeast at 30 mph.

hail up to the size of nickels...and wind gusts up to 55 mph will be
possible with this storm.

* Locations impacted include...
  Salina, New Cambria, Glendale and Salina Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared to take shelter in the event the storms intensify and
become severe...or a warning is issued by the National Weather
Service.

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
central Kansas.

LAT...LON 3896 9737 3869 9753 3887 9793 3896 9793
TIME...MOT...LOC 1742Z 297DEG 26KT 3895 9793

Martin
Special weather statement, Jul 19, 1:28 PM CDT, 2 hours 49 minutes before
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Local storm report, Jul 19, 2:22 PM CDT, 1 hour 55 minutes before
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Special weather statement, Jul 19, 4:07 PM CDT, 10 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 11:57 AM CDTSpecial Weather StatementICTLincoln48 min
Jul 19, 12:19 PM CDTSevere Thunderstorm WarningICTLincoln41 min
Jul 19, 12:43 PM CDTSpecial Weather StatementICTSaline47 min
Jul 19, 1:28 PM CDTSpecial Weather StatementICTSaline32 min
Jul 19, 4:07 PM CDTSpecial Weather StatementICTAllen, Woodson53 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2018Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.