Alert archive / Kansas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 136, NWS Topeka, KS

July 9, 20204 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jul 9, 2020, 4:13 AM CDT for 4 counties in Kansas. It was in force for 62 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 9, 2020, 4:13 AM CDT (09:13 UTC)
Expired: Jul 9, 2020, 5:15 AM CDT
In force: 62 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Anderson County, KS, Coffey County, KS, Franklin County, KS, Lyon County, KS

The radar

The Topeka radar (KTWX), 88 km from the middle of the area, began a volume at 09:15 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.

Issued	Product	Office	Lasted
Jul 9, 1:09 AM CDT	Severe Thunderstorm Watch	SPC	11 hr

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 Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 9, 3:54 AM CDT, 19 minutes earlier.

Area forecast discussion, Jul 9, 3:54 AM CDT, 19 minutes before

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Hazardous weather outlook, Jul 9, 3:55 AM CDT, 18 minutes before

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In the hours before

Special weather statement, Jul 9, 2:56 AM CDT, 1 hour 17 minutes before

Special Weather Statement
National Weather Service Topeka KS
256 AM CDT Thu Jul 9 2020

KSZ040-054>056-058-059-090900-
Coffey-Lyon-Douglas-Franklin-Osage-Anderson-
256 AM CDT Thu Jul 9 2020

...SIGNIFICANT WEATHER ADVISORY FOR FRANKLIN...ANDERSON...DOUGLAS...
OSAGE...COFFEY AND LYON COUNTIES UNTIL 400 AM CDT...

At 253 AM CDT, Doppler radar was tracking strong thunderstorm
outflow along a line extending from 3 miles west of Nortonville to 3
miles northeast of Williamstown to 5 miles northwest of Emporia.
There may also be 50 MPH wind gust with thunderstorms behind the
outflow boundary. Movement was southeast at 55 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Lawrence, Emporia, Ottawa, Baldwin City, Garnett, Osage City,
Burlington, Carbondale, Eudora, Wellsville, Overbrook, Lyndon,
Centropolis, Lebo, Burlingame, Americus, Pomona, Scranton, Waverly
and Clinton.

This includes the following highways...
 Interstate 35 between mile markers 128 and 198.
 Kansas Turnpike between mile markers 117 and 154, and between mile
markers 190 and 205.

A Severe Thunderstorm Watch remains in effect until 1000 AM CDT for
east central Kansas.

LAT...LON 3817 9596 3817 9636 3853 9635 3870 9624
      3874 9595 3887 9550 3904 9547 3902 9519
      3896 9518 3898 9516 3895 9509 3899 9506
      3898 9506 3804 9508 3804 9596
TIME...MOT...LOC 0753Z 298DEG 57KT 3945 9517 3910 9530 3827 9667

Gargan

Local storm report, Jul 9, 3:19 AM CDT, 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
319 AM CDT THU JUL 9 2020

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

0316 AM     TSTM WND GST     3 NE TOPEKA             39.08N 95.63W
07/09/2020  M58 MPH          SHAWNEE            KS   ASOS

&&

BAERG

Local storm report, Jul 9, 3:33 AM CDT, 40 minutes before

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Local storm report, Jul 9, 3:36 AM CDT, 37 minutes before

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Local storm report, Jul 9, 3:49 AM CDT, 24 minutes before

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Local storm report, Jul 9, 4:02 AM CDT, 11 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 11:38 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	67 min
Jul 9, 12:04 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Cloud, Republic, Washington	56 min
Jul 9, 12:45 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Cloud, Ottawa, Republic, Washington	60 min
Jul 9, 1:07 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Marshall, Nemaha, Ottawa and 3 more	53 min
Jul 9, 1:35 AM CDT	Severe Thunderstorm Warning	TOP	Brown, Clay, Dickinson, Geary, Jackson, Marshall and 5 more	55 min
Jul 9, 1:53 AM CDT	Flash Flood Warning	TOP	Cloud	4 hr
Jul 9, 2:09 AM CDT	Severe Thunderstorm Warning	TOP	Brown, Geary, Jackson, Jefferson, Nemaha, Pottawatomie and 3 more	66 min
Jul 9, 2:25 AM CDT	Areal Flood Advisory	TOP	Ottawa	3 hr
Jul 9, 2:30 AM CDT	Special Weather Statement	TOP	Morris, Osage	45 min
Jul 9, 2:47 AM CDT	Flash Flood Warning	TOP	Ottawa	4 hr
Jul 9, 2:56 AM CDT	Special Weather Statement	TOP	Anderson, Coffey, Douglas, Franklin, Lyon, Osage	64 min
Jul 9, 3:15 AM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Franklin, Lyon, Osage, Wabaunsee	60 min
Jul 9, 3:19 AM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin, Jefferson, Osage, Shawnee	56 min
Jul 9, 3:42 AM CDT	Flash Flood Warning	TOP	Dickinson	3 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; radar from the NEXRAD Level II archive.