Alert archive / Missouri / Tornado Warnings in 2007

Tornado Warning 32, NWS Kansas City, MO

October 17, 2007Chariton County, Missouri

NWS Kansas City, MO issued this tornado warning at Oct 17, 2007, 5:22 PM CDT for Chariton County, Missouri. It was in force for 43 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: Oct 17, 2007, 5:22 PM CDT (22:22 UTC)
Expired: Oct 17, 2007, 6:05 PM CDT
In force: 43 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon

County Chariton County, MO

The radar

The Pleasant Hill radar (KEAX), 131 km from the middle of the area, began a volume at 22:24 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 nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.4 hours before the alert went out and 236 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: 49 J/kg
Mixed-layer CIN: -212 J/kg
Mixed-layer LCL: 667 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 356 m²/s²
0-3 km storm-relative helicity: 339 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 172224
TOREAX
MOC041-172315-
/O.NEW.KEAX.TO.W.0032.071017T2222Z-071017T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
522 PM CDT WED OCT 17 2007

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  CHARITON COUNTY IN NORTH CENTRAL MISSOURI

* UNTIL 615 PM CDT

* AT 519 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES NORTHWEST OF SLATER...AND MOVING
  NORTHEAST AT 40 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  6 MILES SOUTHEAST OF BRUNSWICK BY 530 PM CDT.
  KEYTESVILLE BY 545 PM CDT.
  6 MILES NORTHWEST OF SALISBURY BY 550 PM CDT.

THE TOWNS OF DALTON AND PRAIRIE HILL ARE ALSO IN THE PATH OF THIS
TORNADIC STORM.

THIS STORM HAS A HISTORY OF PRODUCING A TORNADO IN JOHNSON COUNTY. 
THIS STORM CONTINUES TO EXHIBIT VERY STRONG ROTATION AND TRACK ALONG 
A WARM FRONT...CONDITIONS THAT BOTH FAVOR IMMINENT TORNADO 
DEVELOPMENT. 

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3946 9270 3930 9296 3931 9298 3931 9304
      3938 9311 3939 9313 3940 9312 3942 9314
      3970 9271
TIME...MOT...LOC 2222Z 225DEG 35KT 3929 9314

$$

BOOKBINDER

2 follow-up statements

000 
WWUS53 KEAX 172247
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
547 PM CDT WED OCT 17 2007

MOC041-172315-
/O.CON.KEAX.TO.W.0032.000000T0000Z-071017T2315Z/
CHARITON MO-
547 PM CDT WED OCT 17 2007

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN CHARITON COUNTY
UNTIL 615 PM CDT...

AT 543 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR KEYTESVILLE...OR 8 MILES WEST OF SALISBURY...
MOVING NORTHEAST AT 40 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF EASTERN CHARITON
COUNTY...INCLUDING THE TOWN OF PRAIRIE HILL.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3970 9272 3958 9270 3953 9271 3937 9294
      3946 9305
TIME...MOT...LOC 2247Z 225DEG 35KT 3946 9292

$$

BOOKBINDER

000 
WWUS53 KEAX 172305
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
604 PM CDT WED OCT 17 2007

MOC041-172314-
/O.CAN.KEAX.TO.W.0032.000000T0000Z-071017T2315Z/
CHARITON MO-
604 PM CDT WED OCT 17 2007

...THE TORNADO WARNING FOR EASTERN CHARITON COUNTY IS CANCELLED...

AT 602 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED...AND NO LONGER 
POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE 
TORNADO WARNING IS CANCELLED.

ALTHOUGH ADDITIONAL SEVERE WEATHER IS NOT PRESENTLY EXPECTED...A 
TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT THURSDAY MORNING 
FOR NORTHWESTERN MISSOURI. 

LAT...LON 3970 9272 3958 9270 3953 9271 3937 9294
      3946 9305
TIME...MOT...LOC 2304Z 225DEG 35KT 3958 9277

$$

BOOKBINDER

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 17, 8:01 AM CDT	Areal Flood Advisory	EAX	Andrew, Atchison, Buchanan, Clinton, DeKalb, Gentry and 3 more	4 hr
Oct 17, 10:57 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	12 hr
Oct 17, 10:57 AM CDT	River Flood Warning	EAX	Clay, Jackson, Ray	29 hr
Oct 17, 2:39 PM CDT	Severe Thunderstorm Warning	EAX	Bates	51 min
Oct 17, 2:58 PM CDT	River Flood Warning	EAX	Buchanan, Platte	8 hr
Oct 17, 2:58 PM CDT	River Flood Warning	EAX	Platte	8 hr
Oct 17, 3:36 PM CDT	Areal Flood Advisory	EAX	Clay, Jackson, Platte	4 hr
Oct 17, 3:37 PM CDT	Tornado Warning	EAX	Johnson	38 min
Oct 17, 4:10 PM CDT	Tornado Warning	EAX	Johnson, Lafayette, Pettis, Saline	50 min
Oct 17, 4:41 PM CDT	Areal Flood Advisory	EAX	Henry, Johnson	6 hr
Oct 17, 4:45 PM CDT	Tornado Warning	EAX	Saline	45 min
Oct 17, 5:04 PM CDT	Areal Flood Advisory	EAX	Buchanan	2 hr
Oct 17, 5:15 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson, Pettis	41 min
Oct 17, 5:30 PM CDT	Flash Flood Warning	EAX	Henry, Johnson, Lafayette, Pettis, Saline	6 hr
Oct 17, 6:19 PM CDT	Severe Thunderstorm Warning	EAX	Pettis, Saline	41 min
Oct 17, 6:24 PM CDT	Areal Flood Advisory	EAX	Chariton, Linn, Macon, Saline	6 hr
Oct 17, 6:34 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Macon	41 min
Oct 17, 6:40 PM CDT	Areal Flood Advisory	EAX	Adair, Linn, Macon, Putnam, Schuyler	6 hr

Nearby

Tornado Warnings in Missouri, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.