Alert archive / Indiana / Tornado Warnings in 2022

Tornado Warning 7, NWS Indianapolis, IN

May 19, 2022Knox County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 19, 2022, 10:38 PM EDT for Knox County, Indiana. It was in force for 37 min. 3 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: May 19, 2022, 10:38 PM EDT (02:38 UTC)
Expired: May 19, 2022, 11:15 PM EDT
In force: 37 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Knox County, IN

The radar

The Evansville,IN radar (KVWX), 29 km from the middle of the area, began a volume at 02:40 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
May 19, 10:54 PM EDT	TORNADO	Decker, IN	DELAYED REPORT. NWS SURVEY FOUND EF2 TORNADO DAMAGE ALONG A 26 MILE PATH FROM ILLINOIS INTO INDIANA. MAX ESTIMATED WIND SPEEDS WITH THE TORNADO WERE 115 MPH. DAMAGE IN KNOX COUNTY INDIANA WAS ONLY EF1 WITH THE MOST SEVERE DAMAGE IN DECKER.
May 19, 11:00 PM EDT	TSTM WND DMG	3 Nnw Decker, IN	SEMI TRUCK BLOWN OVER ON US 41 NEAR FIREMEN RD.
May 19, 11:00 PM EDT	TSTM WND DMG	Decker, IN	TREES AND UTILITY LINES DOWN IN AND AROUND THE DECKER AREA.

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
May 19, 8:02 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.6 hours before the alert went out and 203 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: 555 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 1519 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

370 
WFUS53 KIND 200238
TORIND
INC083-200315-
/O.NEW.KIND.TO.W.0007.220520T0238Z-220520T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Indianapolis IN
1038 PM EDT Thu May 19 2022

The National Weather Service in Indianapolis has issued a

* Tornado Warning for...
  Southwestern Knox County in southwestern Indiana...

* Until 1115 PM EDT.
    
* At 1038 PM EDT, a severe thunderstorm capable of producing a
  tornado was located over Mount Carmel, 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.

* This dangerous storm will be near...
  Decker around 1055 PM EDT.

Other locations in the path of this tornadic thunderstorm include
Vincennes.

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 3848 8774 3850 8765 3855 8766 3859 8764
      3869 8747 3856 8732 3853 8738 3853 8746
      3850 8749 3850 8753 3852 8754 3849 8754
      3850 8759 3845 8760 3844 8763 3846 8766
      3843 8767 3842 8773 3845 8773 3846 8776
TIME...MOT...LOC 0238Z 232DEG 43KT 3840 8777 

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

$$

BRB

4 follow-up statements

024 
WWUS53 KIND 200245
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1045 PM EDT Thu May 19 2022

INC083-200315-
/O.CON.KIND.TO.W.0007.000000T0000Z-220520T0315Z/
Knox IN-
1045 PM EDT Thu May 19 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR
SOUTHWESTERN KNOX COUNTY...
        
At 1045 PM EDT, a confirmed tornado was located near Patoka, or near
Mount Carmel, moving northeast at 60 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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.

This tornado will be near...
  Decker around 1055 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3847 8775 3850 8765 3854 8766 3868 8746
      3856 8732 3853 8738 3854 8740 3853 8741
      3854 8743 3853 8746 3850 8749 3850 8753
      3852 8754 3849 8754 3850 8759 3845 8760
      3844 8763 3846 8766 3843 8767 3842 8772
TIME...MOT...LOC 0245Z 235DEG 50KT 3846 8766 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

BRB

630 
WWUS53 KIND 200252
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1052 PM EDT Thu May 19 2022

INC083-200315-
/O.CON.KIND.TO.W.0007.000000T0000Z-220520T0315Z/
Knox IN-
1052 PM EDT Thu May 19 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR
SOUTHWESTERN KNOX COUNTY...
    
At 1051 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Patoka, or 9 miles north of Princeton, moving
northeast at 55 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.

This tornadic thunderstorm will remain over mainly rural areas of
southwestern Knox County.

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 3850 8765 3865 8743 3856 8732 3853 8738
      3854 8740 3853 8741 3854 8743 3853 8746
      3850 8749 3850 8753 3852 8754 3849 8754
      3850 8759 3845 8760
TIME...MOT...LOC 0251Z 239DEG 48KT 3850 8756 

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

$$

BRB

192 
WWUS53 KIND 200300
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1100 PM EDT Thu May 19 2022

INC083-200315-
/O.CON.KIND.TO.W.0007.000000T0000Z-220520T0315Z/
Knox IN-
1100 PM EDT Thu May 19 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR SOUTH
CENTRAL KNOX COUNTY...
    
At 1100 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles southeast of Vincennes, moving northeast at 55
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.

This tornadic thunderstorm will remain over mainly rural areas of
south central Knox County.

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 3851 8747 3855 8751 3863 8741 3857 8733
      3853 8742 3854 8743 3853 8746
TIME...MOT...LOC 0300Z 239DEG 48KT 3856 8744 

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

$$

BRB

158 
WWUS53 KIND 200310
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1110 PM EDT Thu May 19 2022

INC083-200319-
/O.EXP.KIND.TO.W.0007.000000T0000Z-220520T0315Z/
Knox IN-
1110 PM EDT Thu May 19 2022

...THE TORNADO WARNING FOR SOUTH CENTRAL KNOX COUNTY WILL EXPIRE AT
1115 PM EDT...
                
The storm no longer appears immediately capable of producing a 
tornado. Trends will be monitored closely. 

A Severe Thunderstorm Watch remains in effect until 200 AM EDT for
southwestern Indiana.

LAT...LON 3851 8747 3855 8751 3863 8741 3857 8733
      3853 8742 3854 8743 3853 8746
TIME...MOT...LOC 0309Z 232DEG 43KT 3862 8733 

$$

BRB

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 19, 8:58 PM EDT	Flood Watch	IND	Bartholomew, Brown, Clay, Daviess, Decatur, Greene and 13 more	11 hr
May 19, 10:15 PM EDT	Special Weather Statement	IND	Sullivan	30 min
May 19, 10:21 PM EDT	Severe Thunderstorm Warning	IND	Knox, Sullivan	24 min
May 19, 10:36 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Knox	39 min
May 19, 11:07 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Daviess, Greene, Knox, Martin	38 min
May 19, 11:31 PM EDT	Special Weather Statement	IND	Boone, Hendricks, Morgan	29 min
May 19, 11:46 PM EDT	Special Weather Statement	IND	Daviess, Greene, Lawrence, Martin	29 min
May 19, 11:49 PM EDT	Special Weather Statement	IND	Knox	26 min
May 20, 12:05 AM EDT	Special Weather Statement	IND	Boone, Hamilton, Marion, Tipton	25 min
May 20, 12:19 AM EDT	Special Weather Statement	IND	Lawrence	26 min
May 20, 12:36 AM EDT	Special Weather Statement	IND	Bartholomew	24 min
May 20, 12:37 AM EDT	Special Weather Statement	IND	Jackson	38 min
May 20, 1:00 AM EDT	Areal Flood Advisory	IND	Greene	3 hr
May 20, 1:05 AM EDT	Special Weather Statement	IND	Daviess	25 min
May 20, 1:27 AM EDT	Special Weather Statement	IND	Jennings	33 min
May 20, 1:40 AM EDT	Special Weather Statement	IND	Greene	35 min
May 20, 1:45 AM EDT	Special Weather Statement	IND	Martin	30 min
May 20, 1:52 AM EDT	Areal Flood Advisory	IND	Hamilton, Marion	113 min
May 20, 1:59 AM EDT	Areal Flood Advisory	IND	Lawrence, Martin	3 hr
May 20, 2:14 AM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Bartholomew, Decatur, Jackson, Jennings	31 min
May 20, 2:42 AM EDT	Special Weather Statement	IND	Jennings	18 min
May 20, 5:10 AM EDT	Areal Flood Advisory	IND	Lawrence, Martin, Monroe	6 hr
May 20, 9:08 AM EDT	Areal Flood Advisory	IND	Jackson, Jennings	7 hr
May 20, 11:38 AM EDT	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	4 days
May 20, 11:38 AM EDT	River Flood Warning	IND	Gibson, Knox	5 days
May 20, 7:47 PM EDT	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	4 days

Nearby

Tornado Warnings in Indiana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.