Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 159, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Aug 27, 2021, 5:15 PM CDT for Republic County, Washington County, Kansas. It was in force for 28 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 27, 2021, 5:15 PM CDT (22:15 UTC)
- Expired
- Aug 27, 2021, 5:43 PM CDT
- In force
- 28 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Republic County, KS, Washington County, KS
The radar
The Grand Island radar (KUEX), 101 km from the middle of the area, began a volume at 22:18 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 nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.3 hours before the alert went out and 173 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
- 956 J/kg
- Mixed-layer CIN
- -243 J/kg
- Mixed-layer LCL
- 1443 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
375 WUUS53 KTOP 272215 SVRTOP KSC157-201-272300- /O.NEW.KTOP.SV.W.0159.210827T2215Z-210827T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Topeka KS 515 PM CDT Fri Aug 27 2021 The National Weather Service in Topeka has issued a * Severe Thunderstorm Warning for... Northeastern Republic County in north central Kansas... Northwestern Washington County in north central Kansas... * Until 600 PM CDT. * At 515 PM CDT, a severe thunderstorm was located near Narka, moving northeast at 20 mph. This warning replaces the severe thunderstorm warning that was set to expire at 515 PM. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Narka and Mahaska. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4000 9717 3986 9745 3992 9752 4000 9744 TIME...MOT...LOC 2215Z 237DEG 19KT 3992 9742 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Baerg
3 follow-up statements
479
WWUS53 KTOP 272222
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
522 PM CDT Fri Aug 27 2021
KSC157-201-272300-
/O.CON.KTOP.SV.W.0159.000000T0000Z-210827T2300Z/
Republic-Washington-
522 PM CDT Fri Aug 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHEASTERN REPUBLIC AND NORTHWESTERN WASHINGTON COUNTIES...
At 522 PM CDT, a severe thunderstorm was located near Mahaska, moving
northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Narka and Mahaska.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3988 9741 3993 9744 4000 9741 4000 9717
TIME...MOT...LOC 2222Z 239DEG 20KT 3994 9736
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Baerg239
WWUS53 KTOP 272229
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
529 PM CDT Fri Aug 27 2021
KSC157-272239-
/O.CAN.KTOP.SV.W.0159.000000T0000Z-210827T2300Z/
Republic-
529 PM CDT Fri Aug 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN REPUBLIC COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4000 9717 3990 9737 4000 9737
TIME...MOT...LOC 2229Z 239DEG 20KT 3996 9732
$$
KSC201-272300-
/O.CON.KTOP.SV.W.0159.000000T0000Z-210827T2300Z/
Washington-
529 PM CDT Fri Aug 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHWESTERN WASHINGTON COUNTY...
At 529 PM CDT, a severe thunderstorm was located near Mahaska, moving
northeast at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Mahaska.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4000 9717 3990 9737 4000 9737
TIME...MOT...LOC 2229Z 239DEG 20KT 3996 9732
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Baerg616
WWUS53 KTOP 272243
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
543 PM CDT Fri Aug 27 2021
KSC201-272253-
/O.CAN.KTOP.SV.W.0159.000000T0000Z-210827T2300Z/
Washington-
543 PM CDT Fri Aug 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WASHINGTON COUNTY
IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 4000 9717 3990 9737 4000 9737
TIME...MOT...LOC 2241Z 237DEG 19KT 4000 9723
$$
BaergThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 4:11 PM CDT | Special Weather Statement | TOP | Republic | 64 min |
| Aug 27, 4:27 PM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 48 min |
| Aug 27, 5:05 PM CDT | Areal Flood Advisory | TOP | Republic, Washington | 3 hr |
| Aug 27, 5:11 PM CDT | Special Weather Statement | TOP | Republic | 34 min |
| Aug 27, 5:43 PM CDT | Special Weather Statement | TOP | Washington | 32 min |
| Aug 27, 6:27 PM CDT | Special Weather Statement | TOP | Republic | 48 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.