Alert archive / Iowa / Tornado Warnings in 2022

Tornado Warning 9, NWS Des Moines, IA

March 5, 20224 counties in Iowa

NWS Des Moines, IA issued this tornado warning at Mar 5, 2022, 5:23 PM CST for 4 counties in Iowa. It was in force for 37 min. 11 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: Mar 5, 2022, 5:23 PM CST (23:23 UTC)
Expired: Mar 5, 2022, 6:00 PM CST
In force: 37 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Tornado: Observed
Damage threat: Considerable
Hail: 1.0 in

Counties Clarke County, IA, Decatur County, IA, Lucas County, IA, Wayne County, IA

The radar

The Des Moines radar (KDMX), 95 km from the middle of the area, began a volume at 23:23 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
Mar 5, 5:23 PM CST	TORNADO	1 W Humeston, IA	TORNADO REPORT OF A TORNADO ON THE GROUND WEST OF HUMESTON VIA PUBLIC AND STORM CHASER.
Mar 5, 5:25 PM CST	TORNADO	3 Wsw Humeston, IA	EMERGENCY MANAGEMENT RELAYED LAW ENFORCEMENT REPORT OF A TORNADO ON THE GROUND 3 MILES W AND 1 MILE S OF HUMESTON. AT LEAST ONE HOME DAMAGED.
Mar 5, 5:33 PM CST	TORNADO	3 N Humeston, IA	TORNADO REPORT VIA TWITTER.
Mar 5, 5:36 PM CST	TORNADO	2 E Derby, IA	STORM CHASERS REPORTED TORNADO STILL ON THE GROUND JUST EAST OF DERBY. LOCATION ESTIMATED.
Mar 5, 5:37 PM CST	TORNADO	5 Nw Millerton, IA	TORNADO ON THE GROUND REPORTED VIA PUBLIC.
Mar 5, 5:38 PM CST	TORNADO	4 Ene Derby, IA	TORNADO REPORT VIA PHONE CALL.
Mar 5, 5:44 PM CST	TORNADO	Derby, IA	STORM CHASER REPORT OF TWIN TORNADOES ON THE GROUND EAST OF DERBY.
Mar 5, 5:48 PM CST	TORNADO	1 Sw Chariton, IA	TORNADO REPORTED VIA SPOTTER NETWORK - FAMILY MEMBER JUST TEXTED ME A PICTURE OF A CONE TORNADO IN PROGRESS JUST SW OF CHARITON JUST A COUPLE MINUTES AGO. THEY ARE SEEKING SHELTER NOW.
Mar 5, 5:54 PM CST	TORNADO	1 S Chariton, IA	TORNADO DAMAGE REPORT VIA NWSCHAT - CITY OF CHARITON IS FINE. 1 MILE SOUTH OF TOWN HAS A ROW OF 15 POWER POLES DOWN.
Mar 5, 5:54 PM CST	TORNADO	Garden Grove, IA	PUBLIC REPORT VIA PHONE CALL - HEAVY DAMAGE, ROOFS RIPPED OFF, METAL BUILDING FLATTENED/COMPLETELY GONE.
Mar 5, 5:59 PM CST	TORNADO	2 Se Chariton, IA	TORNADO DAMAGE VIA NWSCHAT - SIGNIFICANT HOME DAMAGE 2 SE OF CHARITON. ROOF AND WALLS GONE.

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
Mar 5, 2:04 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.4 hours before the alert went out and 250 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: 119 J/kg
Mixed-layer CIN: -205 J/kg
Mixed-layer LCL: 883 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

019 
WFUS53 KDMX 052323
TORDMX
IAC039-053-117-185-060000-
/O.NEW.KDMX.TO.W.0009.220305T2323Z-220306T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
523 PM CST Sat Mar 5 2022

The National Weather Service in Des Moines  has issued a

* Tornado Warning for...
  Southeastern Lucas County in south central Iowa...
  Eastern Decatur County in south central Iowa...
  Northwestern Wayne County in south central Iowa...
  Southeastern Clarke County in south central Iowa...

* Until 600 PM CST.
    
* At 522 PM CST, a confirmed large and extremely dangerous tornado
  was located 13 miles northwest of Corydon, moving northeast at 45
  mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* Locations impacted include...
  Chariton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 4079 9359 4085 9362 4113 9327 4097 9310
TIME...MOT...LOC 2322Z 237DEG 41KT 4086 9353 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.00 IN

$$

Martin

2 follow-up statements

811 
WWUS53 KDMX 052333
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
533 PM CST Sat Mar 5 2022

IAC039-053-185-052343-
/O.CAN.KDMX.TO.W.0009.000000T0000Z-220306T0000Z/
Decatur IA-Wayne IA-Clarke IA-
533 PM CST Sat Mar 5 2022

...THE TORNADO WARNING FOR EASTERN DECATUR...NORTHWESTERN WAYNE AND
SOUTHEASTERN CLARKE COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 PM CST for south central
Iowa.

LAT...LON 4090 9338 4090 9352 4113 9327 4097 9310
TIME...MOT...LOC 2333Z 236DEG 39KT 4092 9341 

$$

IAC117-060000-
/O.CON.KDMX.TO.W.0009.000000T0000Z-220306T0000Z/
Lucas IA-
533 PM CST Sat Mar 5 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CST FOR
SOUTHEASTERN LUCAS COUNTY...
        
At 533 PM CST, a confirmed large and extremely dangerous tornado was
located 8 miles southwest of Chariton, moving northeast at 45 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Chariton, Russell, Williamson, Derby, Red Haw Lake State Park and
Chariton Municipal Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 4090 9338 4090 9352 4113 9327 4097 9310
TIME...MOT...LOC 2333Z 236DEG 39KT 4092 9341 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...<.75 IN

$$

Martin

870 
WWUS53 KDMX 052348
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
548 PM CST Sat Mar 5 2022

IAC117-060000-
/O.CON.KDMX.TO.W.0009.000000T0000Z-220306T0000Z/
Lucas IA-
548 PM CST Sat Mar 5 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CST FOR EASTERN
LUCAS COUNTY...
        
At 548 PM CST, a confirmed large and extremely dangerous tornado was
located near Chariton, moving northeast at 40 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Chariton, Russell, Williamson and Red Haw Lake State Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 4094 9328 4100 9335 4113 9327 4097 9310
TIME...MOT...LOC 2348Z 232DEG 35KT 4101 9326 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...<.75 IN

$$

Martin

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 5, 3:32 AM CST	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 31 more	23 hr
Mar 5, 3:45 AM CST	Special Weather Statement	DMX	Adair, Cass	45 min
Mar 5, 4:36 AM CST	Special Weather Statement	DMX	Adair, Guthrie	39 min
Mar 5, 8:50 AM CST	Special Weather Statement	DMX	Ringgold	25 min
Mar 5, 9:25 AM CST	Special Weather Statement	DMX	Clarke, Decatur, Lucas	50 min
Mar 5, 9:49 AM CST	Special Weather Statement	DMX	Monroe	26 min
Mar 5, 12:51 PM CST	Special Weather Statement	DMX	Adair	24 min
Mar 5, 1:10 PM CST	Special Weather Statement	DMX	Madison, Polk	35 min
Mar 5, 1:37 PM CST	Special Weather Statement	DMX	Jasper	23 min
Mar 5, 1:51 PM CST	Special Weather Statement	DMX	Marshall	24 min
Mar 5, 2:00 PM CST	Severe Thunderstorm Warning	DMX	Jasper, Marshall	25 min
Mar 5, 2:08 PM CST	Special Weather Statement	DMX	Black Hawk, Bremer, Grundy	52 min
Mar 5, 2:17 PM CST	Special Weather Statement	DMX	Tama	28 min
Mar 5, 2:35 PM CST	Special Weather Statement	DMX	Black Hawk	25 min
Mar 5, 3:17 PM CST	Severe Thunderstorm Warning	DMX	Adams, Taylor, Union	43 min
Mar 5, 3:22 PM CST	Tornado Warning	DMX	Audubon, Cass	12 min
Mar 5, 3:26 PM CST	Tornado Warning	DMX	Adams, Taylor	49 min
Mar 5, 3:33 PM CST	Severe Thunderstorm Warning	DMX	Audubon	27 min
Mar 5, 3:36 PM CST	Tornado Warning	DMX	Adair, Adams, Taylor, Union	39 min
Mar 5, 3:48 PM CST	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass	27 min
Mar 5, 4:11 PM CST	Tornado Warning Tornado observed	DMX	Adair, Madison, Union	35 min
Mar 5, 4:34 PM CST	Tornado Warning	DMX	Dallas, Madison, Polk, Warren	41 min
Mar 5, 4:53 PM CST	Severe Thunderstorm Warning	DMX	Dallas, Madison, Polk	37 min
Mar 5, 4:56 PM CST	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Wayne	34 min
Mar 5, 5:03 PM CST	Tornado Warning	DMX	Decatur, Lucas, Wayne	27 min
Mar 5, 5:05 PM CST	Tornado Warning Tornado observedConsiderable damage threat	DMX	Jasper, Polk, Warren	40 min
Mar 5, 5:13 PM CST	Severe Thunderstorm Warning Considerable damage threat	DMX	Decatur, Lucas, Wayne	32 min
Mar 5, 5:16 PM CST	Tornado Warning	DMX	Decatur, Wayne	29 min
Mar 5, 5:19 PM CST	Severe Thunderstorm Warning	DMX	Grundy, Hardin, Marshall, Story	41 min
Mar 5, 5:35 PM CST	Tornado Warning Tornado observedConsiderable damage threat	DMX	Jasper, Marshall	40 min
Mar 5, 5:36 PM CST	Tornado Warning	DMX	Appanoose, Lucas, Wayne	24 min
Mar 5, 5:52 PM CST	Tornado Warning Tornado observedConsiderable damage threat	DMX	Lucas, Marion, Monroe	23 min
Mar 5, 5:53 PM CST	Severe Thunderstorm Warning	DMX	Jasper, Marion, Marshall, Polk, Warren	41 min
Mar 5, 5:53 PM CST	Tornado Warning	DMX	Appanoose, Monroe, Wayne	37 min

Nearby

Tornado Warnings in Iowa, 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.