Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 108, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jul 10, 2021, 1:58 AM CDT for 9 counties in Kansas. It was in force for 47 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 10, 2021, 1:58 AM CDT (06:58 UTC)
- Expired
- Jul 10, 2021, 2:45 AM CDT
- In force
- 47 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Coffey County, KS, Douglas County, KS, Franklin County, KS, Jefferson County, KS, Lyon County, KS, Morris County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 58 km from the middle of the area, began a volume at 06:59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 1:58 AM CDT | TSTM WND DMG | 4 Nw Pauline, KS | LARGE LIMB DOWN ON DRIVEWAY. TIME ESTIMATED BY RADAR. |
| Jul 10, 2:04 AM CDT | TSTM WND GST 60 | 1 E Pauline, KS | KFOE FORBES FIELD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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, 9:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 7.0 hours before the alert went out and 28 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
- 2790 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1645 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.9
The text
As transmitted.
402
WUUS53 KTOP 100658
SVRTOP
KSC031-045-059-087-111-127-139-177-197-100745-
/O.NEW.KTOP.SV.W.0108.210710T0658Z-210710T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
158 AM CDT Sat Jul 10 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Franklin County in east central Kansas...
Jefferson County in northeastern Kansas...
Eastern Morris County in east central Kansas...
Eastern Shawnee County in east central Kansas...
Southern Wabaunsee County in east central Kansas...
Douglas County in east central Kansas...
Osage County in east central Kansas...
Northern Coffey County in east central Kansas...
Northern Lyon County in east central Kansas...
* Until 245 AM CDT.
* At 157 AM CDT, severe thunderstorms were located along a line
extending from 3 miles south of Meriden to 4 miles southwest of
Auburn to 7 miles southwest of Eskridge to near Parkerville, moving
southeast at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...56 mph wind gust was measured at 155 AM at Topeka Billard
Airport.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Topeka, Lawrence, Emporia, Ottawa, Baldwin City, Osage City,
Council Grove, Carbondale, Valley Falls, Oskaloosa, Eskridge,
Tecumseh, Eudora, Richland, Wellsville, Auburn, Overbrook, Lyndon,
Centropolis and Lebo.
This includes the following highways...
Interstate 35 between mile markers 128 and 131, and between mile
markers 145 and 198.
Kansas Turnpike between mile markers 127 and 205.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3839 9506 3839 9550 3838 9551 3842 9562
3841 9632 3844 9636 3852 9635 3852 9644
3884 9679 3884 9628 3894 9583 3942 9541
3942 9518 3897 9519 3898 9516 3895 9509
3898 9508 3899 9506
TIME...MOT...LOC 0657Z 317DEG 54KT 3914 9556 3885 9586 3880 9623 3880
9665
HAIL...<.75IN
WIND...60MPH
$$
CP/BB2 follow-up statements
727
WWUS53 KTOP 100719
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
219 AM CDT Sat Jul 10 2021
KSC031-045-059-087-111-127-139-177-197-100745-
/O.CON.KTOP.SV.W.0108.000000T0000Z-210710T0745Z/
Franklin-Jefferson-Morris-Shawnee-Wabaunsee-Douglas-Osage-Coffey-
Lyon-
219 AM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR FRANKLIN...JEFFERSON...EASTERN MORRIS...EASTERN SHAWNEE...
SOUTHERN WABAUNSEE...DOUGLAS...OSAGE...NORTHERN COFFEY AND NORTHERN
LYON COUNTIES...
At 218 AM CDT, severe thunderstorms were located along a line
extending from 3 miles southwest of Lawrence to near Pomona Lake to 5
miles east of Admire to 4 miles east of Council Grove, moving
southeast at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...60 mph winds were reported at 204 AM at Forbes Field in
Topeka.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Topeka, Lawrence, Emporia, Ottawa, Baldwin City, Osage City, Council
Grove, Carbondale, Valley Falls, Oskaloosa, Eskridge, Tecumseh,
Eudora, Richland, Wellsville, Auburn, Overbrook, Lyndon, Centropolis
and Lebo.
This includes the following highways...
Interstate 35 between mile markers 128 and 131, and between mile
markers 145 and 198.
Kansas Turnpike between mile markers 127 and 205.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3839 9506 3839 9550 3838 9551 3842 9562
3841 9632 3844 9636 3852 9635 3852 9644
3884 9679 3884 9628 3894 9583 3942 9541
3942 9518 3897 9519 3898 9516 3895 9509
3898 9508 3899 9506
TIME...MOT...LOC 0718Z 316DEG 49KT 3891 9529 3862 9559 3862 9601 3866
9640
HAIL...<.75IN
WIND...60MPH
$$
CP/BB422
WWUS53 KTOP 100735
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
235 AM CDT Sat Jul 10 2021
KSC031-045-059-087-111-127-139-177-197-100745-
/O.EXP.KTOP.SV.W.0108.000000T0000Z-210710T0745Z/
Franklin-Jefferson-Morris-Shawnee-Wabaunsee-Douglas-Osage-Coffey-
Lyon-
235 AM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR FRANKLIN...JEFFERSON...EASTERN
MORRIS...EASTERN SHAWNEE...SOUTHERN WABAUNSEE...DOUGLAS...OSAGE...
NORTHERN COFFEY AND NORTHERN LYON COUNTIES WILL EXPIRE AT 245 AM
CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
northeastern and east central Kansas.
LAT...LON 3839 9506 3839 9550 3838 9551 3842 9562
3841 9632 3844 9636 3852 9635 3852 9644
3884 9679 3884 9628 3894 9583 3942 9541
3942 9518 3897 9519 3898 9516 3895 9509
3898 9508 3899 9506
TIME...MOT...LOC 0735Z 317DEG 54KT 3874 9509 3845 9539 3845 9581 3849
9620
$$
CP/BBThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 11:19 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 56 min |
| Jul 9, 11:54 PM CDT | Severe Thunderstorm Warning | TOP | Washington | 66 min |
| Jul 10, 12:00 AM CDT | Severe Thunderstorm Warning | TOP | Cloud | 60 min |
| Jul 10, 12:13 AM CDT | Severe Thunderstorm Warning | TOP | Republic | 32 min |
| Jul 10, 12:34 AM CDT | Severe Thunderstorm Warning | TOP | Clay, Marshall, Pottawatomie, Riley, Washington | 56 min |
| Jul 10, 12:57 AM CDT | Severe Thunderstorm Warning | TOP | Clay, Dickinson, Geary, Marshall, Nemaha, Pottawatomie and 1 more | 48 min |
| Jul 10, 1:19 AM CDT | Severe Thunderstorm Warning | TOP | Geary, Jackson, Morris, Shawnee, Wabaunsee | 56 min |
| Jul 10, 1:45 AM CDT | Severe Thunderstorm Warning | TOP | Brown | 30 min |
| Jul 10, 1:49 AM CDT | Special Weather Statement | TOP | Riley | 26 min |
| Jul 10, 2:44 AM CDT | Special Weather Statement | TOP | Riley | 31 min |
| Jul 10, 3:08 AM CDT | Special Weather Statement | TOP | Wabaunsee | 37 min |
| Jul 10, 3:27 AM CDT | Special Weather Statement | TOP | Lyon | 33 min |
| Jul 10, 4:02 AM CDT | Special Weather Statement | TOP | Lyon, Osage | 28 min |
| Jul 10, 4:13 AM CDT | Special Weather Statement | TOP | Cloud | 32 min |
| Jul 10, 4:25 AM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 35 min |
| Jul 10, 4:36 AM CDT | Special Weather Statement | TOP | Anderson, Franklin | 54 min |
| Jul 10, 4:40 AM CDT | Special Weather Statement | TOP | Clay | 35 min |
| Jul 10, 5:05 AM CDT | Special Weather Statement | TOP | Riley | 40 min |
| Jul 10, 5:58 AM CDT | Special Weather Statement | TOP | Wabaunsee | 47 min |
| Jul 10, 3:34 PM CDT | Special Weather Statement | TOP | Republic | 56 min |
| Jul 10, 4:11 PM CDT | Special Weather Statement | TOP | Washington | 34 min |
| Jul 10, 4:45 PM CDT | Special Weather Statement | TOP | Washington | 30 min |
| Jul 10, 4:53 PM CDT | Special Weather Statement | TOP | Brown, Nemaha | 67 min |
| Jul 10, 5:05 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Pottawatomie, Washington | 25 min |
| Jul 10, 5:26 PM CDT | Special Weather Statement | TOP | Pottawatomie | 34 min |
| Jul 10, 5:47 PM CDT | Special Weather Statement | TOP | Pottawatomie | 28 min |
| Jul 10, 5:54 PM CDT | Special Weather Statement | TOP | Dickinson, Geary | 36 min |
| Jul 10, 6:16 PM CDT | Special Weather Statement | TOP | Jefferson | 29 min |
| Jul 10, 6:47 PM CDT | Special Weather Statement | TOP | Douglas | 28 min |
| Jul 10, 6:52 PM CDT | Special Weather Statement | TOP | Douglas, Osage, Shawnee | 53 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.