Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 160, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Aug 31, 2021, 7:30 AM CDT for Marshall County, Washington County, Kansas. It was in force for 25 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
- Aug 31, 2021, 7:30 AM CDT (12:30 UTC)
- Expired
- Aug 31, 2021, 7:55 AM CDT
- In force
- 25 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Marshall County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 100 km from the middle of the area, began a volume at 12:31 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
Topeka, KS (KTOP), launched 12:00Z, 0.5 hours before the alert went out and 123 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.
- Mixed-layer CAPE
- 986 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 1015 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted.
353 WUUS53 KTOP 311230 SVRTOP KSC117-201-311330- /O.NEW.KTOP.SV.W.0160.210831T1230Z-210831T1330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Topeka KS 730 AM CDT Tue Aug 31 2021 The National Weather Service in Topeka has issued a * Severe Thunderstorm Warning for... Northeastern Washington County in north central Kansas... Marshall County in northeastern Kansas... * Until 830 AM CDT. * At 730 AM CDT, a severe thunderstorm was located 4 miles northeast of Diller, moving southeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Marysville, Blue Rapids, Hanover, Waterville, Axtell, Beattie, Barnes, Summerfield, Oketo, Hollenberg and Bremen. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4000 9624 3977 9624 3960 9681 4000 9703 TIME...MOT...LOC 1230Z 336DEG 32KT 4014 9687 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Jones
1 follow-up statement
296
WWUS53 KTOP 311255
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
755 AM CDT Tue Aug 31 2021
KSC117-201-311305-
/O.CAN.KTOP.SV.W.0160.000000T0000Z-210831T1330Z/
Washington-Marshall-
755 AM CDT Tue Aug 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHINGTON AND
MARSHALL COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
LAT...LON 4000 9624 3977 9624 3960 9681 4000 9703
TIME...MOT...LOC 1253Z 336DEG 32KT 3993 9675
$$
JonesThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 5:32 AM CDT | Special Weather Statement | TOP | Brown | 13 min |
| Aug 31, 7:49 AM CDT | Special Weather Statement | TOP | Brown, Nemaha | 26 min |
| Aug 31, 7:57 AM CDT | Special Weather Statement | TOP | Marshall, Washington | 33 min |
| Aug 31, 8:10 AM CDT | Severe Thunderstorm Warning | TOP | Brown, Jackson, Nemaha | 26 min |
| Aug 31, 8:35 AM CDT | Special Weather Statement | TOP | Jackson, Jefferson | 25 min |
| Aug 31, 8:55 AM CDT | Special Weather Statement | TOP | Jefferson, Shawnee | 35 min |
| Aug 31, 9:24 AM CDT | Special Weather Statement | TOP | Geary, Wabaunsee | 36 min |
| Aug 31, 9:26 AM CDT | Special Weather Statement | TOP | Douglas, Franklin, Osage | 34 min |
| Aug 31, 9:53 AM CDT | Special Weather Statement | TOP | Franklin, Osage | 37 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 2021Every severe thunderstorm warning 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.