Alert archive / Missouri / Tornado Warnings in 2015

Tornado Warning 32, NWS Kansas City, MO

September 17, 2015Adair County, Sullivan County, Missouri

NWS Kansas City, MO issued this tornado warning at Sep 17, 2015, 7:27 PM CDT for Adair County, Sullivan County, Missouri. It was in force for 33 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: Sep 17, 2015, 7:27 PM CDT (00:27 UTC)
Expired: Sep 17, 2015, 8:00 PM CDT
In force: 33 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Adair County, MO, Sullivan County, MO

The radar

The Des Moines radar (KDMX), 188 km from the middle of the area, began a volume at 00:27 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
Sep 17, 6:38 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.5 hours before the alert went out and 257 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: 1343 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1492 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 495 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 15.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

175 
WFUS53 KEAX 180027
TOREAX
MOC001-211-180100-
/O.NEW.KEAX.TO.W.0032.150918T0027Z-150918T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
727 PM CDT THU SEP 17 2015

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL SULLIVAN COUNTY IN NORTH CENTRAL MISSOURI...
  WEST CENTRAL ADAIR COUNTY IN NORTHEASTERN MISSOURI...

* UNTIL 800 PM CDT

* AT 726 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER MILAN...MOVING EAST AT 30 MPH.

  HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

  SOURCE...WEATHER SPOTTERS REPORTED SEVERAL FUNNEL CLOUDS EARLIER. 

  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
  EAST CENTRAL SULLIVAN AND WEST CENTRAL ADAIR COUNTIES.

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 4011 9268 4014 9315 4023 9317 4025 9274
TIME...MOT...LOC 0026Z 270DEG 27KT 4019 9309 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

MJ

2 follow-up statements

413 
WWUS53 KEAX 180040
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
740 PM CDT THU SEP 17 2015

MOC001-211-180100-
/O.CON.KEAX.TO.W.0032.000000T0000Z-150918T0100Z/
SULLIVAN MO-ADAIR MO-
740 PM CDT THU SEP 17 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR EAST
CENTRAL SULLIVAN AND WEST CENTRAL ADAIR COUNTIES...
    
AT 740 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR GREEN CITY...OR 7 MILES EAST OF MILAN...MOVING EAST
AT 25 MPH.

HAZARD...TORNADO AND GOLF BALL 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. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
EAST CENTRAL SULLIVAN AND WEST CENTRAL ADAIR COUNTIES.

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 4011 9268 4014 9307 4023 9309 4025 9274
TIME...MOT...LOC 0040Z 266DEG 23KT 4019 9297 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

MJ

625 
WWUS53 KEAX 180057 RRA
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
757 PM CDT THU SEP 17 2015

MOC001-211-180107-
/O.EXP.KEAX.TO.W.0032.000000T0000Z-150918T0100Z/
SULLIVAN MO-ADAIR MO-
757 PM CDT THU SEP 17 2015

...THE TORNADO WARNING FOR EAST CENTRAL SULLIVAN AND WEST CENTRAL
ADAIR COUNTIES WILL EXPIRE AT 800 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE.  HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR
NORTHEASTERN MISSOURI.

LAT...LON 4011 9268 4014 9307 4023 9309 4025 9274
TIME...MOT...LOC 0056Z 270DEG 27KT 4019 9297 

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 17, 7:10 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Schuyler, Sullivan	50 min
Sep 17, 7:45 PM CDT	Special Weather Statement	EAX	Holt	45 min
Sep 17, 8:37 PM CDT	Special Weather Statement	EAX	Adair	38 min
Sep 17, 9:30 PM CDT	Special Weather Statement	EAX	DeKalb	45 min
Sep 17, 10:02 PM CDT	Special Weather Statement	EAX	Platte	43 min
Sep 17, 10:05 PM CDT	Areal Flood Advisory	EAX	Buchanan, Platte	5 hr
Sep 17, 10:55 PM CDT	Special Weather Statement	EAX	Clay, Platte	35 min
Sep 17, 11:19 PM CDT	Special Weather Statement	EAX	Platte	26 min
Sep 18, 10:00 AM CDT	Flash Flood Watch	EAX	Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 31 more	11 hr
Sep 18, 3:09 PM CDT	Special Weather Statement	EAX	Jackson	36 min
Sep 18, 3:43 PM CDT	Special Weather Statement	EAX	Cass	32 min
Sep 18, 6:32 PM CDT	Tornado Warning Tornado observed	EAX	Cass	43 min
Sep 18, 6:39 PM CDT	Tornado Warning	EAX	Carroll, Ray	36 min

Nearby

Tornado Warnings in Missouri, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.