Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 183, NWS Topeka, KS

December 15, 20217 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Dec 15, 2021, 4:53 PM CST for 7 counties in Kansas. It was in force for 37 min. 12 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, 4:53 PM CST (22:53 UTC)
Expired
Dec 15, 2021, 5:30 PM CST
In force
37 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Damage threat
Destructive
Hail
0.75 in
Wind
80.0 mph

Counties Douglas County, KS, Franklin County, KS, Jefferson County, KS, Lyon County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS

The radar

The Pleasant Hill radar (KEAX), 83 km from the middle of the area, began a volume at 22:55 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

TimeReportWhereRemark
Dec 15, 4:59 PM CSTTSTM WND DMG6 Wsw Topeka, KSDELAYED REPORT: 8 INCH TREE LIMB DOWN. TIME ESTIMATED BY RADAR.
Dec 15, 5:00 PM CSTTSTM WND DMG2 S Topeka, KSDELAYED REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN.
Dec 15, 5:14 PM CSTTSTM WND GST 602 N Pauline, KSDELAYED REPORT: MESONET STATION K5006 I-470 BRIDGE OVER US-75.
Dec 15, 5:20 PM CSTHAIL 1.755 Nw Quenemo, KSDELAYED REPORT.
Dec 15, 5:22 PM CSTHAIL 1.75Quenemo, KS
Dec 15, 5:24 PM CSTHAIL 15 N Pomona, KSEM REPORTS 1-INCH HAIL AT 4104 DELAWARE RD NEAR POMONA. TIME ESTIMATED FROM RADAR.
Dec 15, 5:32 PM CSTNON-TSTM WND GST 713 Ssw Lecompton, KSDELAYED REPORT: MESONET STATION K5007 I-70 BRIDGE OVER EDGEWOOD RD.
Dec 15, 5:35 PM CSTTSTM WND DMG1 Nne Baldwin City, KSROOF OFF OF TRAILER.
Dec 15, 5:35 PM CSTTSTM WND DMG2 Ene Lawrence, KSDELAYED 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 CSTTSTM WND GST 612 Ese Williamstown, KSDELAYED REPORT: MESONET STATION UP091 1.9 E WILLIAMSTOWN (UPR).
Dec 15, 5:40 PM CSTTSTM WND GST 664 Nne Lawrence, KSLWC ASOS.
Dec 15, 5:40 PM CSTNON-TSTM WND GST 725 Nne Lawrence, KSDELAYED REPORT: ASOS STATION KLWC LAWRENCE.

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.

IssuedProductOfficeLasted
Dec 15, 3:18 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.9 hours before the alert went out and 39 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.

Skew-T log-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2021-12-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2021-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 466 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted.

050 
WUUS53 KTOP 152253
SVRTOP
KSC045-059-087-111-139-177-197-152330-
/O.NEW.KTOP.SV.W.0183.211215T2253Z-211215T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
453 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...
  Southern Shawnee County in east central Kansas...
  Southeastern Wabaunsee County in east central Kansas...
  Douglas County in east central Kansas...
  Osage County in east central Kansas...
  Northeastern Lyon County in east central Kansas...

* Until 530 PM CST.

* At 451 PM CST, severe thunderstorms were located along a line
  extending from Topeka to 3 miles southeast of Auburn to 4 miles
  northeast of Reading, moving east at 60 mph.

  THESE ARE DESTRUCTIVE STORMS!

  HAZARD...80 mph wind gusts.

  SOURCE...Trained weather spotters. These storms have produced 
           widespread wind damage and winds around 80 mph. 

  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...
  Topeka, Lawrence, Ottawa, Baldwin City, Osage City, Carbondale,
  Tecumseh, Eudora, Richland, Wellsville, Dover, Auburn, Overbrook,
  Lyndon, Centropolis, Burlingame, Perry, Pomona, Scranton and
  Lecompton.

This includes the following highways...
 Interstate 35 between mile markers 187 and 198.
 Interstate 70 between mile markers 349 and 355.
 Kansas Turnpike between mile markers 143 and 205.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 3869 9507 3862 9507 3853 9610 3906 9590
      3908 9519 3897 9519 3896 9516 3898 9515
      3897 9513 3897 9511 3895 9509 3896 9507
      3898 9507 3899 9506 3870 9506
TIME...MOT...LOC 2251Z 265DEG 52KT 3907 9565 3887 9577 3856 9591 

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH

$$

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 15, 1:57 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPCloud, Ottawa, Republic48 min
Dec 15, 2:42 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPClay, Cloud, Dickinson, Marshall, Ottawa, Republic and 2 more48 min
Dec 15, 3:00 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPDickinson, Geary, Morris45 min
Dec 15, 3:01 PM CSTBlowing Dust AdvisoryTOPClay, Cloud, Dickinson, Ottawa, Republic, Washington3 hr
Dec 15, 3:19 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPClay, Dickinson, Geary, Jackson, Marshall, Nemaha and 4 more41 min
Dec 15, 3:29 PM CSTTornado WarningTOPDickinson, Geary, Riley13 min
Dec 15, 3:33 PM CSTTornado WarningTOPPottawatomie, Riley15 min
Dec 15, 3:39 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPGeary, Morris, Wabaunsee51 min
Dec 15, 3:54 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPBrown, Geary, Jackson, Marshall, Nemaha, Pottawatomie and 3 more51 min
Dec 15, 3:57 PM CSTTornado WarningTOPJackson, Pottawatomie10 min
Dec 15, 4:10 PM CSTTornado WarningTOPNemaha, Pottawatomie20 min
Dec 15, 4:20 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPLyon, Morris, Osage, Shawnee, Wabaunsee40 min
Dec 15, 4:33 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPBrown, Jackson, Jefferson, Shawnee27 min
Dec 15, 4:35 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPCoffey, Lyon, Osage40 min
Dec 15, 4:54 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPBrown, Douglas, Jackson, Jefferson, Shawnee51 min
Dec 15, 5:09 PM CSTSevere Thunderstorm Warning Considerable damage threatTOPFranklin, Osage36 min
Dec 15, 5:15 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPAnderson, Coffey, Franklin, Lyon, Osage45 min
Dec 15, 5:24 PM CSTSevere Thunderstorm Warning Destructive damage threatTOPDouglas, Franklin, Jefferson, Osage, Shawnee36 min
Dec 15, 5:42 PM CSTSevere Thunderstorm Warning Considerable damage threatTOPFranklin, Osage33 min
Dec 15, 5:54 PM CSTSevere Thunderstorm Warning Considerable damage threatTOPAnderson, Coffey, Franklin, Osage36 min
Dec 15, 5:57 PM CSTSevere Thunderstorm WarningTOPDouglas, Franklin18 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.