Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 128, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Aug 12, 2021, 9:06 PM CDT for Morris County, Kansas. It was in force for 24 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 12, 2021, 9:06 PM CDT (02:06 UTC)
- Expired
- Aug 12, 2021, 9:30 PM CDT
- In force
- 24 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Morris County, KS
The radar
The Topeka radar (KTWX), 66 km from the middle of the area, began a volume at 02:10 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 00:00Z, 2.1 hours before the alert went out and 110 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
- 4214 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1420 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.4
The text
As transmitted.
866
WUUS53 KTOP 130206
SVRTOP
KSC127-130230-
/O.NEW.KTOP.SV.W.0128.210813T0206Z-210813T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
906 PM CDT Thu Aug 12 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Southwestern Morris County in east central Kansas...
* Until 930 PM CDT.
* At 906 PM CDT, a severe thunderstorm was located near Burdick,
moving north at 5 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...
Burdick.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3866 9689 3866 9669 3852 9667 3852 9688
TIME...MOT...LOC 0206Z 161DEG 5KT 3855 9678
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Reese2 follow-up statements
829
WWUS53 KTOP 130217
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
917 PM CDT Thu Aug 12 2021
KSC127-130230-
/O.CON.KTOP.SV.W.0128.000000T0000Z-210813T0230Z/
Morris-
917 PM CDT Thu Aug 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR SOUTHWESTERN MORRIS COUNTY...
At 917 PM CDT, a severe thunderstorm was located near Burdick, moving
north at 5 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Burdick.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3866 9685 3866 9669 3852 9667 3852 9685
TIME...MOT...LOC 0217Z 161DEG 5KT 3856 9679
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Reese466
WWUS53 KTOP 130226
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
926 PM CDT Thu Aug 12 2021
KSC127-130235-
/O.EXP.KTOP.SV.W.0128.000000T0000Z-210813T0230Z/
Morris-
926 PM CDT Thu Aug 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MORRIS COUNTY
WILL EXPIRE AT 930 PM CDT...
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 will be allowed to expire. However small hail
and gusty winds are still possible with this thunderstorm.
LAT...LON 3866 9685 3866 9669 3852 9667 3852 9685
TIME...MOT...LOC 0225Z 202DEG 7KT 3858 9677
$$
ReeseThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 7:19 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 26 min |
| Aug 12, 7:31 PM CDT | Special Weather Statement | TOP | Douglas | 29 min |
| Aug 12, 8:58 PM CDT | Special Weather Statement | TOP | Morris | 32 min |
| Aug 12, 9:29 PM CDT | Special Weather Statement | TOP | Franklin | 31 min |
| Aug 12, 9:43 PM CDT | Special Weather Statement | TOP | Dickinson | 47 min |
| Aug 12, 9:46 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 29 min |
| Aug 12, 10:02 PM CDT | Special Weather Statement | TOP | Dickinson | 43 min |
| Aug 12, 10:18 PM CDT | Special Weather Statement | TOP | Franklin | 42 min |
| Aug 12, 10:38 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 37 min |
| Aug 12, 10:49 PM CDT | Areal Flood Advisory | TOP | Douglas, Franklin | 5 hr |
| Aug 12, 11:06 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 24 min |
| Aug 12, 11:55 PM CDT | Flash Flood Warning | TOP | Douglas, Franklin, Shawnee | 3 min |
| Aug 13, 12:01 AM CDT | Flash Flood Warning | TOP | Douglas, Franklin | 6 hr |
| Aug 13, 12:11 AM CDT | Areal Flood Advisory | TOP | Douglas, Jefferson | 3 hr |
| Aug 13, 12:22 AM CDT | Severe Thunderstorm Warning | TOP | Brown, Jackson, Nemaha | 23 min |
| Aug 13, 12:43 AM CDT | Severe Thunderstorm Warning | TOP | Brown | 17 min |
| Aug 13, 12:55 AM CDT | Special Weather Statement | TOP | Brown | 35 min |
| Aug 13, 1:19 AM CDT | Special Weather Statement | TOP | Marshall | 41 min |
| Aug 13, 1:38 AM CDT | Special Weather Statement | TOP | Douglas, Jefferson | 52 min |
| Aug 13, 1:49 AM CDT | Areal Flood Advisory | TOP | Brown, Jackson, Marshall, Nemaha | 5 hr |
| Aug 13, 1:56 AM CDT | Special Weather Statement | TOP | Lyon | 49 min |
| Aug 13, 2:07 AM CDT | Severe Thunderstorm Warning | TOP | Coffey, Lyon | 38 min |
| Aug 13, 2:10 AM CDT | Flash Flood Warning | TOP | Lyon, Osage | 4 hr |
| Aug 13, 2:18 AM CDT | Flash Flood Warning | TOP | Douglas, Franklin, Jefferson | 4 hr |
| Aug 13, 2:44 AM CDT | Special Weather Statement | TOP | Wabaunsee | 46 min |
| Aug 13, 2:51 AM CDT | Flash Flood Warning | TOP | Lyon | 4 hr |
| Aug 13, 3:15 AM CDT | Areal Flood Advisory | TOP | Douglas, Jefferson, Osage, Shawnee | 3 hr |
| Aug 13, 3:51 AM CDT | Areal Flood Advisory | TOP | Republic, Washington | 3 hr |
| Aug 13, 6:09 AM CDT | Areal Flood Advisory | TOP | Lyon, Osage | 105 min |
| Aug 13, 6:27 AM CDT | Areal Flood Advisory | TOP | Douglas, Franklin | 2 hr |
| Aug 13, 6:30 AM CDT | Areal Flood Advisory | TOP | Douglas, Franklin, Jefferson | 2 hr |
| Aug 13, 6:52 AM CDT | Areal Flood Advisory | TOP | Lyon | 53 min |
| Aug 13, 9:08 AM CDT | River Flood Warning | TOP | Washington | 4 hr |
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.