Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 9, NWS Kansas City, MO

May 2, 20184 counties in Missouri

NWS Kansas City, MO issued this tornado warning at May 2, 2018, 9:49 PM CDT for 4 counties in Missouri. It was in force for 41 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: May 2, 2018, 9:49 PM CDT (02:49 UTC)
Expired: May 2, 2018, 10:30 PM CDT
In force: 41 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Bates County, MO, Cass County, MO, Henry County, MO, Johnson County, MO

The radar

The Pleasant Hill radar (KEAX), 34 km from the middle of the area, began a volume at 02:50 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
May 2, 5:27 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.8 hours before the alert went out and 182 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: 1170 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1041 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.6

Open this sounding in Storm Lab

The text

As transmitted.

612 
WFUS53 KEAX 030249
TOREAX
MOC013-037-083-101-030330-
/O.NEW.KEAX.TO.W.0009.180503T0249Z-180503T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
949 PM CDT WED MAY 2 2018

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Southeastern Cass County in west central Missouri...
  Northwestern Henry County in west central Missouri...
  Northeastern Bates County in west central Missouri...
  Southwestern Johnson County in west central Missouri...

* Until 1030 PM CDT.
    
* At 949 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Archie, or 7 miles northeast of Adrian, moving
  east at 35 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Garden City, Archie, Urich, Creighton, Chilhowee, Blairstown and
  Quick City.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3842 9438 3847 9437 3854 9440 3868 9393
      3858 9385 3846 9385
TIME...MOT...LOC 0249Z 254DEG 32KT 3849 9429 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Kurtz

2 follow-up statements

325 
WWUS53 KEAX 030311
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1011 PM CDT WED MAY 2 2018

MOC013-030321-
/O.CAN.KEAX.TO.W.0009.000000T0000Z-180503T0330Z/
Bates MO-
1011 PM CDT WED MAY 2 2018

...THE TORNADO WARNING FOR NORTHEASTERN BATES COUNTY 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 100 AM CDT for west central
Missouri.

LAT...LON 3846 9409 3845 9412 3851 9413 3857 9417
      3867 9392 3858 9385 3846 9385 3844 9407
TIME...MOT...LOC 0311Z 257DEG 32KT 3852 9404 

$$

MOC037-083-101-030330-
/O.CON.KEAX.TO.W.0009.000000T0000Z-180503T0330Z/
Cass MO-Henry MO-Johnson MO-
1011 PM CDT WED MAY 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
SOUTHEASTERN CASS...NORTHWESTERN HENRY AND SOUTHWESTERN JOHNSON
COUNTIES...
    
At 1011 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Creighton, or 8 miles east of Garden City, moving
east at 35 mph.

HAZARD...Tornado and quarter size hail.

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...
Urich, Creighton, Chilhowee, Blairstown and Quick City. 

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3846 9409 3845 9412 3851 9413 3857 9417
      3867 9392 3858 9385 3846 9385 3844 9407
TIME...MOT...LOC 0311Z 257DEG 32KT 3852 9404 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Kurtz

095 
WWUS53 KEAX 030324
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1024 PM CDT WED MAY 2 2018

MOC037-083-101-030333-
/O.EXP.KEAX.TO.W.0009.000000T0000Z-180503T0330Z/
Cass MO-Henry MO-Johnson MO-
1024 PM CDT WED MAY 2 2018

...THE TORNADO WARNING FOR SOUTHEASTERN CASS...NORTHWESTERN HENRY AND
SOUTHWESTERN JOHNSON COUNTIES WILL EXPIRE AT 1030 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 100 AM CDT for west central
Missouri.

Remember, a Severe Thunderstorm Warning still remains in effect for
Henry and Johnson County.

LAT...LON 3846 9409 3845 9412 3851 9413 3857 9417
      3867 9392 3858 9385 3846 9385 3844 9407
TIME...MOT...LOC 0323Z 254DEG 32KT 3855 9392 

$$

Kurtz

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 7:03 PM CDT	Tornado Warning	EAX	Atchison, Holt	16 min
May 2, 7:27 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Atchison, Buchanan, Holt, Nodaway, Platte	48 min
May 2, 7:30 PM CDT	Tornado Warning	EAX	Atchison, Nodaway	15 min
May 2, 8:04 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Gentry, Nodaway and 2 more	41 min
May 2, 9:06 PM CDT	Tornado Warning	EAX	Bates, Cass	24 min
May 2, 9:09 PM CDT	Tornado Warning	EAX	Cass, Jackson	36 min
May 2, 9:22 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry, Jackson, Johnson, Lafayette	38 min
May 2, 9:28 PM CDT	Tornado Warning	EAX	Jackson, Lafayette	32 min
May 2, 9:44 PM CDT	Tornado Warning	EAX	Carroll, Cass, Jackson, Johnson, Lafayette, Ray	46 min
May 2, 9:57 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Carroll, Cass, Henry, Johnson, Lafayette and 1 more	63 min
May 2, 10:22 PM CDT	Tornado Warning	EAX	Johnson, Lafayette, Pettis, Saline	23 min
May 2, 10:39 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Henry, Johnson, Pettis, Saline	66 min
May 2, 10:47 PM CDT	Severe Thunderstorm Warning	EAX	Macon, Randolph	28 min
May 2, 11:07 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Schuyler, Sullivan	28 min
May 3, 4:09 PM CDT	Special Weather Statement	EAX	Atchison	21 min

Nearby

Tornado Warnings in Missouri, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.