Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 8, NWS Kansas City, MO

May 2, 20186 counties in Missouri

NWS Kansas City, MO issued this tornado warning at May 2, 2018, 9:44 PM CDT for 6 counties in Missouri. It was in force for 46 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, 9:44 PM CDT (02:44 UTC)
Expired
May 2, 2018, 10:30 PM CDT
In force
46 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Carroll County, MO, Cass County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 34 km from the middle of the area, began a volume at 02:43 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.

IssuedProductOfficeLasted
May 2, 5:27 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.7 hours before the alert went out and 242 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, Springfield, MO at 00:00Z on 2018-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1170 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, Springfield, MO at 00:00Z on 2018-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
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.

248 
WFUS53 KEAX 030244
TOREAX
MOC033-037-095-101-107-177-030330-
/O.NEW.KEAX.TO.W.0008.180503T0244Z-180503T0330Z/

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

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Northeastern Cass County in west central Missouri...
  Southern Ray County in west central Missouri...
  Southwestern Carroll County in north central Missouri...
  Lafayette County in west central Missouri...
  Eastern Jackson County in west central Missouri...
  Northern Johnson County in west central Missouri...

* Until 1030 PM CDT.

* At 943 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located
  along a line extending from near Buckner to near Blue Springs to
  near Grain Valley to Baldwin Park, moving northeast at 55 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...
  Independence, Blue Springs, Warrensburg, Grain Valley, Pleasant
  Hill, Oak Grove, Richmond, Odessa, Greenwood, Higginsville,
  Lexington, Buckner, Concordia, Lake Lotawana, Lone Jack, Orrick,
  Wellington, Lake Tapawingo, Norborne and Hardin.

This includes Interstate 70 in Missouri between mile markers 19 and
58.
 
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!

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3870 9437 3895 9431 3905 9430 3922 9431
      3924 9425 3921 9421 3925 9421 3943 9359
      3928 9354 3905 9354 3876 9366
TIME...MOT...LOC 0243Z 245DEG 47KT 3912 9423 3906 9424 3898 9423 3881
9425

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

$$

Kurtz
2 follow-up statements
504 
WWUS53 KEAX 030256
SVSEAX

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

MOC037-095-030305-
/O.CAN.KEAX.TO.W.0008.000000T0000Z-180503T0330Z/
Cass MO-Jackson MO-
956 PM CDT WED MAY 2 2018

...THE TORNADO WARNING FOR NORTHEASTERN CASS AND EASTERN JACKSON
COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 3877 9412 3928 9410 3943 9359 3928 9354
      3905 9354 3876 9366
TIME...MOT...LOC 0255Z 246DEG 47KT 3917 9405 3910 9407 3902 9406 3885
9408

$$

MOC033-101-107-177-030330-
/O.CON.KEAX.TO.W.0008.000000T0000Z-180503T0330Z/
Ray MO-Carroll MO-Lafayette MO-Johnson MO-
956 PM CDT WED MAY 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
SOUTHEASTERN RAY...SOUTHWESTERN CARROLL...LAFAYETTE AND NORTHERN
JOHNSON COUNTIES...

At 955 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from near Wellington to near Levasy to near Oak Grove
to near Lone Jack, moving northeast at 55 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...
Warrensburg, Oak Grove, Richmond, Odessa, Higginsville, Lexington,
Concordia, Wellington, Norborne, Hardin, Corder, Alma, Henrietta,
Mayview, Lake Lafayette, Napoleon, Bates City, Camden, Fleming and
Dover.

This includes Interstate 70 in Missouri between mile markers 30 and
58.
 
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!

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3877 9412 3928 9410 3943 9359 3928 9354
      3905 9354 3876 9366
TIME...MOT...LOC 0255Z 246DEG 47KT 3917 9405 3910 9407 3902 9406 3885
9408

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

$$

Kurtz
980 
WWUS53 KEAX 030310
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1010 PM CDT WED MAY 2 2018

MOC033-101-107-177-030330-
/O.CON.KEAX.TO.W.0008.000000T0000Z-180503T0330Z/
Ray MO-Carroll MO-Lafayette MO-Johnson MO-
1010 PM CDT WED MAY 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
SOUTHEASTERN RAY...SOUTHWESTERN CARROLL...LAFAYETTE AND NORTHEASTERN
JOHNSON COUNTIES...

At 1010 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from Hardin to near Lexington to near Mayview to 9
miles southeast of Odessa, moving northeast at 55 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...
Richmond, Odessa, Higginsville, Lexington, Concordia, Norborne,
Hardin, Corder, Alma, Henrietta, Mayview, Lake Lafayette, Dover,
Aullville and Fayetteville.

This includes Interstate 70 in Missouri between mile markers 38 and
58.
 
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!

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3878 9399 3903 9396 3932 9397 3943 9359
      3928 9354 3905 9354 3881 9364
TIME...MOT...LOC 0310Z 245DEG 47KT 3925 9383 3918 9383 3909 9383 3889
9386

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

$$

Kurtz

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:03 PM CDTTornado WarningEAXAtchison, Holt16 min
May 2, 7:27 PM CDTSevere Thunderstorm WarningEAXAndrew, Atchison, Buchanan, Holt, Nodaway, Platte48 min
May 2, 7:30 PM CDTTornado WarningEAXAtchison, Nodaway15 min
May 2, 8:04 PM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan, Clinton, DeKalb, Gentry, Nodaway and 2 more41 min
May 2, 9:06 PM CDTTornado WarningEAXBates, Cass24 min
May 2, 9:09 PM CDTTornado WarningEAXCass, Jackson36 min
May 2, 9:22 PM CDTSevere Thunderstorm WarningEAXBates, Cass, Henry, Jackson, Johnson, Lafayette38 min
May 2, 9:28 PM CDTTornado WarningEAXJackson, Lafayette32 min
May 2, 9:49 PM CDTTornado WarningEAXBates, Cass, Henry, Johnson41 min
May 2, 9:57 PM CDTSevere Thunderstorm WarningEAXBates, Carroll, Cass, Henry, Johnson, Lafayette and 1 more63 min
May 2, 10:22 PM CDTTornado WarningEAXJohnson, Lafayette, Pettis, Saline23 min
May 2, 10:39 PM CDTSevere Thunderstorm WarningEAXCarroll, Chariton, Henry, Johnson, Pettis, Saline66 min
May 2, 10:47 PM CDTSevere Thunderstorm WarningEAXMacon, Randolph28 min
May 2, 11:07 PM CDTSevere Thunderstorm WarningEAXAdair, Putnam, Schuyler, Sullivan28 min
May 3, 4:09 PM CDTSpecial Weather StatementEAXAtchison21 min

Nearby

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