Alert archive / Kansas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 144, NWS Wichita, KS

July 30, 2020Lincoln County, Russell County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jul 30, 2020, 1:55 AM CDT for Lincoln County, Russell County, Kansas. It was in force for 65 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 30, 2020, 1:55 AM CDT (06:55 UTC)
Expired: Jul 30, 2020, 3:00 AM CDT
In force: 65 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Lincoln County, KS, Russell County, KS

The radar

The Grand Island radar (KUEX), 149 km from the middle of the area, began a volume at 06:56 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 00:00Z, 6.9 hours before the alert went out and 183 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1771 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1553 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.2

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 29, 11:51 PM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, Jul 29, 11:51 PM CDT, 2 hours 4 minutes before

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Hazardous weather outlook, Jul 29, 7:00 PM CDT, 6 hours 55 minutes before

Hazardous Weather Outlook
National Weather Service Wichita KS
700 PM CDT Wed Jul 29 2020

KSZ032-033-047>053-067>072-082-083-091>096-098>100-302145-
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-
700 PM CDT Wed Jul 29 2020

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

.DAY ONE...Tonight

Scattered thunderstorms will persist into the evening hours across
the Flint Hills and southeast Kansas. Torrential rain will likely
cause temporarily flooding of poor drainage areas.

Storms are expected to increase later this evening and overnight,
moving in from western Kansas. A few strong or marginally severe
storms, with winds to around 60 mph are possible late this evening,
roughly west of a line from Russell to Hutchinson to Anthony. The
biggest threat is localized flooding from torrential rain.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A couple more rounds of thunderstorms are expected through Friday
area wide and lingering into Saturday across southeast Kansas. There
will be a threat for heavy rainfall and localized flooding
with these storms. The heavy rain could lead to rises on some area
rivers and streams. Another round of storms is possible Sunday
across southeast Kansas. These are not expected to be strong or
severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated tonight...however rainfall
reports over an inch would be appreciated.

&&

For a graphical version of this information, see our webpage at:
https://weather.gov/crh/ghwo?sid=ict

In the hours before

Special weather statement, Jul 29, 11:21 PM CDT, 2 hours 34 minutes before

Special Weather Statement
National Weather Service Wichita KS
1121 PM CDT Wed Jul 29 2020

KSZ091-300445-
Harper KS-
1121 PM CDT Wed Jul 29 2020

The National Weather Service in Wichita has issued a

* Significant Weather Advisory for...
  Southern Harper County in south central Kansas...

* Until 1145 PM CDT.

* At 1119 PM CDT...National Weather Service meteorologists were
  tracking a strong thunderstorm 7 miles west of Anthony...moving
  southeast at 40 mph.

Hail up to the size of dimes...and wind gusts up to 50 mph will be
possible with this storm.

* Locations impacted include...
  Anthony, Bluff City and Waldron.

LAT...LON 3700 9824 3714 9833 3725 9809 3711 9780
      3700 9780
TIME...MOT...LOC 0420Z 318DEG 36KT 3711 9815

VAUGHAN

Local storm report, Jul 29, 11:25 PM CDT, 2 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WICHITA KS
1125 PM CDT WED JUL 29 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1114 PM     TSTM WND GST     2 N WELLINGTON          37.30N 97.40W
07/29/2020  M57 MPH          SUMNER             KS   MESONET

            HOME WEATHER STATION.

&&

ADK

Special weather statement, Jul 29, 11:30 PM CDT, 2 hours 25 minutes before

Special Weather Statement
National Weather Service Wichita KS
1130 PM CDT Wed Jul 29 2020

KSZ092-093-300500-
Cowley KS-Sumner KS-
1130 PM CDT Wed Jul 29 2020

The National Weather Service in Wichita has issued a

* Significant Weather Advisory for...
  Cowley County in south central Kansas...
  Sumner County in south central Kansas...

* Until midnight CDT.

* At 1127 PM CDT...National Weather Service Doppler radar was
  tracking strong thunderstorms with locally heavy rainfall along a
  line extending from 5 miles northwest of Winfield to 9 miles south
  of Argonia...and moving southeast at 50 mph.

Wind gusts up to 55 mph will be possible with these storms.

* Locations impacted include...
  Arkansas City, Winfield, Wellington, Belle Plaine, Caldwell,
  Oxford, Udall, Burden, South Haven, Dexter, Atlanta, Geuda Springs,
  Rock, Mayfield, Cambridge, Hunnewell, Perth, Maple City, Winfield
  City Lake and Strother Field Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3718 9780 3748 9708 3747 9652 3700 9653
      3700 9780
TIME...MOT...LOC 0429Z 320DEG 57KT 3732 9705 3714 9780

VAUGHAN

Local storm report, Jul 29, 11:34 PM CDT, 2 hours 21 minutes before

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Special weather statement, Jul 30, 12:04 AM CDT, 1 hour 51 minutes before

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Special weather statement, Jul 30, 1:16 AM CDT, 39 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 7:23 PM CDT	Special Weather Statement	ICT	Sedgwick	37 min
Jul 29, 7:43 PM CDT	Severe Thunderstorm Warning	ICT	Barton, Russell	62 min
Jul 29, 7:56 PM CDT	Special Weather Statement	ICT	Sedgwick	34 min
Jul 29, 8:13 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	62 min
Jul 29, 8:47 PM CDT	Special Weather Statement	ICT	Barton, Ellsworth, Rice	28 min
Jul 29, 9:08 PM CDT	Special Weather Statement	ICT	Rice	37 min
Jul 29, 9:13 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	62 min
Jul 29, 9:19 PM CDT	Severe Thunderstorm Warning	ICT	Harvey, McPherson, Reno, Rice	56 min
Jul 29, 10:12 PM CDT	Severe Thunderstorm Warning	ICT	Harvey, Kingman, Reno, Sedgwick	63 min
Jul 29, 10:55 PM CDT	Special Weather Statement	ICT	Sumner	35 min
Jul 29, 11:21 PM CDT	Special Weather Statement	ICT	Harper	24 min
Jul 29, 11:30 PM CDT	Special Weather Statement	ICT	Cowley, Sumner	30 min
Jul 30, 12:04 AM CDT	Special Weather Statement	ICT	Chautauqua, Cowley	26 min
Jul 30, 1:16 AM CDT	Special Weather Statement	ICT	Barton, Russell	44 min
Jul 30, 2:00 AM CDT	Special Weather Statement	ICT	Barton, Ellsworth, Rice	45 min
Jul 30, 2:13 AM CDT	Severe Thunderstorm Warning	ICT	Ellsworth, Rice	62 min
Jul 30, 2:26 AM CDT	Special Weather Statement	ICT	Kingman, Reno	64 min
Jul 30, 2:37 AM CDT	Severe Thunderstorm Warning	ICT	McPherson, Saline	53 min
Jul 30, 3:10 AM CDT	Special Weather Statement	ICT	Harvey, Sedgwick	50 min
Jul 30, 3:25 AM CDT	Special Weather Statement	ICT	Marion	65 min
Jul 30, 3:39 AM CDT	Special Weather Statement	ICT	Harper, Sumner	51 min
Jul 30, 4:07 AM CDT	Special Weather Statement	ICT	Chase	38 min
Jul 30, 9:50 AM CDT	Flash Flood Watch	ICT	Barton, Chase, Ellsworth, Lincoln, McPherson, Marion and 3 more	18 hr
Jul 30, 3:50 PM CDT	Special Weather Statement	ICT	Butler, Cowley	55 min
Jul 30, 4:42 PM CDT	Special Weather Statement	ICT	Elk	33 min
Jul 30, 6:49 PM CDT	Areal Flood Warning	ICT	Chase, Marion	18 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2020 Every severe thunderstorm warning in 2020

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.