Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 187, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Dec 15, 2021, 5:24 PM CST for 5 counties in Kansas. It was in force for 36 min. 8 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
- Dec 15, 2021, 5:24 PM CST (23:24 UTC)
- Expired
- Dec 15, 2021, 6:00 PM CST
- In force
- 36 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Damage threat
- Destructive
- Hail
- 1.5 in
- Wind
- 80.0 mph
Counties Douglas County, KS, Franklin County, KS, Jefferson County, KS, Osage County, KS, Shawnee County, KS
The radar
The Pleasant Hill radar (KEAX), 80 km from the middle of the area, began a volume at 23:26 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 |
|---|---|---|---|
| Dec 15, 5:24 PM CST | HAIL 1 | 5 N Pomona, KS | EM REPORTS 1-INCH HAIL AT 4104 DELAWARE RD NEAR POMONA. TIME ESTIMATED FROM RADAR. |
| Dec 15, 5:32 PM CST | NON-TSTM WND GST 71 | 3 Ssw Lecompton, KS | DELAYED REPORT: MESONET STATION K5007 I-70 BRIDGE OVER EDGEWOOD RD. |
| Dec 15, 5:35 PM CST | TSTM WND DMG | 1 Nne Baldwin City, KS | ROOF OFF OF TRAILER. |
| Dec 15, 5:35 PM CST | TSTM WND DMG | 2 Ene Lawrence, KS | DELAYED PUBLIC REPORT. SMALL BRANCHES DOWN IN THE AREA, AROUND 1-2 INCHES IN DIAMETER. MANY HEAVY, UNSECURED OUTDOOR OBJECTS HAVE BEEN BLOWN AROUND. POWER LINES ALSO BRIEFLY ARCED TOGETHER, CAUSING QUICK CUT TO POWER WHICH RESTORED ITSELF. ESTIMATION OF PEAK W |
| Dec 15, 5:37 PM CST | TSTM WND GST 61 | 2 Ese Williamstown, KS | DELAYED REPORT: MESONET STATION UP091 1.9 E WILLIAMSTOWN (UPR). |
| Dec 15, 5:40 PM CST | TSTM WND GST 66 | 4 Nne Lawrence, KS | LWC ASOS. |
| Dec 15, 5:40 PM CST | NON-TSTM WND GST 72 | 5 Nne Lawrence, KS | DELAYED REPORT: ASOS STATION KLWC LAWRENCE. |
| Dec 15, 5:45 PM CST | TSTM WND DMG | Eudora, KS | DELAYED REPORT: LARGE TREE AROUND 1 FT IN DIAMETER SNAPPED. |
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 |
|---|---|---|---|
| Dec 15, 3:18 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 11.4 hours before the alert went out and 42 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1036 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 466 m²/s²
- 0-3 km storm-relative helicity
- 477 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
839
WUUS53 KTOP 152324
SVRTOP
KSC045-059-087-139-177-160000-
/O.NEW.KTOP.SV.W.0187.211215T2324Z-211216T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
524 PM CST Wed Dec 15 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Northern Franklin County in east central Kansas...
Southern Jefferson County in northeastern Kansas...
Southeastern Shawnee County in east central Kansas...
Douglas County in east central Kansas...
Northeastern Osage County in east central Kansas...
* Until 600 PM CST.
* At 521 PM CST, severe thunderstorms were located along a line
extending from 3 miles west of Tonganoxie to 3 miles north of
Pleasant Grove to near Pomona, moving east at 55 mph.
THESE ARE DESTRUCTIVE STORMS!
HAZARD...80 mph wind gusts and ping pong ball size hail.
SOURCE...Emergency management. Emergency Management reported
80 mph winds at Lake Perry 515 PM.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
* Locations impacted include...
Lawrence, Ottawa, Baldwin City, Tecumseh, Eudora, Richland,
Wellsville, Overbrook, Lyndon, Centropolis, Perry, Pomona,
Lecompton, Clinton, Quenemo, Lone Star, Pleasant Grove, Vinland,
Williamstown and Pomona Lake.
This includes the following highways...
Interstate 35 between mile markers 187 and 198.
Kansas Turnpike between mile markers 184 and 205.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
This is an EXTREMELY DANGEROUS SITUATION. These storms are producing
widespread wind damage across east central Kansas. SEEK SHELTER NOW
inside a sturdy structure and stay away from windows!
&&
LAT...LON 3870 9506 3869 9507 3862 9507 3856 9572
3908 9558 3909 9519 3897 9519 3896 9518
3896 9516 3898 9515 3897 9513 3897 9511
3895 9509 3896 9507 3899 9506
TIME...MOT...LOC 2321Z 265DEG 48KT 3910 9514 3890 9526 3859 9540
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH
$$The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 1:57 PM CST | Severe Thunderstorm Warning | TOP | Cloud, Ottawa, Republic | 48 min |
| Dec 15, 2:42 PM CST | Severe Thunderstorm Warning | TOP | Clay, Cloud, Dickinson, Marshall, Ottawa, Republic and 2 more | 48 min |
| Dec 15, 3:00 PM CST | Severe Thunderstorm Warning | TOP | Dickinson, Geary, Morris | 45 min |
| Dec 15, 3:01 PM CST | Blowing Dust Advisory | TOP | Clay, Cloud, Dickinson, Ottawa, Republic, Washington | 3 hr |
| Dec 15, 3:19 PM CST | Severe Thunderstorm Warning | TOP | Clay, Dickinson, Geary, Jackson, Marshall, Nemaha and 4 more | 41 min |
| Dec 15, 3:29 PM CST | Tornado Warning | TOP | Dickinson, Geary, Riley | 13 min |
| Dec 15, 3:33 PM CST | Tornado Warning | TOP | Pottawatomie, Riley | 15 min |
| Dec 15, 3:39 PM CST | Severe Thunderstorm Warning | TOP | Geary, Morris, Wabaunsee | 51 min |
| Dec 15, 3:54 PM CST | Severe Thunderstorm Warning | TOP | Brown, Geary, Jackson, Marshall, Nemaha, Pottawatomie and 3 more | 51 min |
| Dec 15, 3:57 PM CST | Tornado Warning | TOP | Jackson, Pottawatomie | 10 min |
| Dec 15, 4:10 PM CST | Tornado Warning | TOP | Nemaha, Pottawatomie | 20 min |
| Dec 15, 4:20 PM CST | Severe Thunderstorm Warning | TOP | Lyon, Morris, Osage, Shawnee, Wabaunsee | 40 min |
| Dec 15, 4:33 PM CST | Severe Thunderstorm Warning | TOP | Brown, Jackson, Jefferson, Shawnee | 27 min |
| Dec 15, 4:35 PM CST | Severe Thunderstorm Warning | TOP | Coffey, Lyon, Osage | 40 min |
| Dec 15, 4:53 PM CST | Severe Thunderstorm Warning | TOP | Douglas, Franklin, Jefferson, Lyon, Osage, Shawnee and 1 more | 37 min |
| Dec 15, 4:54 PM CST | Severe Thunderstorm Warning | TOP | Brown, Douglas, Jackson, Jefferson, Shawnee | 51 min |
| Dec 15, 5:09 PM CST | Severe Thunderstorm Warning | TOP | Franklin, Osage | 36 min |
| Dec 15, 5:15 PM CST | Severe Thunderstorm Warning | TOP | Anderson, Coffey, Franklin, Lyon, Osage | 45 min |
| Dec 15, 5:42 PM CST | Severe Thunderstorm Warning | TOP | Franklin, Osage | 33 min |
| Dec 15, 5:54 PM CST | Severe Thunderstorm Warning | TOP | Anderson, Coffey, Franklin, Osage | 36 min |
| Dec 15, 5:57 PM CST | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 18 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.