Alert archive / Kansas / Tornado Warnings in 2022

Tornado Warning 2, NWS Kansas City, MO

March 29, 2022Atchison County, Leavenworth County, Kansas

NWS Kansas City, MO issued this tornado warning at Mar 29, 2022, 8:10 PM CDT for Atchison County, Leavenworth County, Kansas. It was in force for 20 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: Mar 29, 2022, 8:10 PM CDT (01:10 UTC)
Expired: Mar 29, 2022, 8:30 PM CDT
In force: 20 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Atchison County, KS, Leavenworth County, KS

The radar

The Pleasant Hill radar (KEAX), 106 km from the middle of the area, began a volume at 01:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 29, 4:57 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.2 hours before the alert went out and 67 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 901 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1720 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

As transmitted.

010 
WFUS53 KEAX 300110
TOREAX
KSC005-103-300130-
/O.NEW.KEAX.TO.W.0002.220330T0110Z-220330T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
810 PM CDT Tue Mar 29 2022

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Northwestern Leavenworth County in northeastern Kansas...
  Southeastern Atchison County in northeastern Kansas...

* Until 830 PM CDT.
    
* At 810 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Nortonville, or 10 miles northeast of Valley
  Falls, moving northeast at 50 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Atchison, Cummings and Potter. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3959 9517 3950 9505 3947 9504 3945 9500
      3944 9500 3937 9518 3942 9518 3942 9535
      3944 9537
TIME...MOT...LOC 0110Z 232DEG 44KT 3943 9532 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

BMW

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 29, 7:44 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	31 min
Mar 29, 8:08 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Johnson, Leavenworth, Wyandotte	52 min
Mar 29, 8:13 PM CDT	Tornado Warning	EAX	Leavenworth	17 min
Mar 29, 8:21 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Doniphan	39 min
Mar 29, 8:28 PM CDT	Tornado Warning	EAX	Leavenworth	17 min
Mar 29, 8:32 PM CDT	Tornado Warning	EAX	Atchison, Doniphan	28 min
Mar 29, 8:47 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	28 min
Mar 29, 10:13 PM CDT	Areal Flood Advisory	EAX	Johnson, Leavenworth, Wyandotte	4 hr
Mar 29, 11:37 PM CDT	Severe Thunderstorm Warning	EAX	Linn	38 min

Nearby

Tornado Warnings in Kansas, 2022 Every tornado warning in 2022 Tornadoes in 2022

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.