Alert archive / Missouri / Tornado Warnings in 2008

Tornado Warning 1, NWS Springfield, MO

January 7, 2008St. Clair County, Missouri

NWS Springfield, MO issued this tornado warning at Jan 7, 2008, 2:20 PM CST for St. Clair County, Missouri. It was in force for 20 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: Jan 7, 2008, 2:20 PM CST (20:20 UTC)
Expired: Jan 7, 2008, 2:40 PM CST
In force: 20 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

County St. Clair County, MO

The radar

The Pleasant Hill radar (KEAX), 94 km from the middle of the area, began a volume at 20:19 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
Jan 7, 1:52 PM CST	Tornado Watch	SPC	146 days

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.3 hours before the alert went out and 139 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: 203 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 773 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 404 m²/s²
0-3 km storm-relative helicity: 396 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KSGF 072020
TORSGF
MOC185-072100-
/O.NEW.KSGF.TO.W.0001.080107T2020Z-080107T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
220 PM CST MON JAN 7 2008

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  ST. CLAIR COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 300 PM CST.

* AT 214 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS VERY
  DANGEROUS STORM WAS LOCATED 6 MILES WEST OF OSCEOLA...OR 15 MILES
  NORTHEAST OF EL DORADO SPRINGS...MOVING NORTHEAST AT 50 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  LOWRY CITY BY 225 PM CST.

ANYONE IN OR NEAR OSCEOLA SHOULD TAKE COVER IMMEDIATELY.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLF BALL SIZE.

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.

LAT...LON 3821 9352 3819 9352 3818 9351 3815 9351
      3804 9351 3803 9352 3797 9386 3808 9392
      3821 9376 3821 9358 3822 9357
TIME...MOT...LOC 2020Z 225DEG 44KT 3808 9375

$$

CRAMER

1 follow-up statement

000 
WWUS53 KSGF 072040
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
241 PM CST MON JAN 7 2008

MOC185-072051-
/O.CAN.KSGF.TO.W.0001.000000T0000Z-080107T2100Z/
ST. CLAIR MO-
241 PM CST MON JAN 7 2008

...THE TORNADO WARNING FOR NORTHERN ST. CLAIR COUNTY IS CANCELLED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE TORNADO
THAT PROMPTED THE WARNING IS EXITING THE WARNED AREA...THUS THE
WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST MONDAY EVENING FOR
SOUTHEAST KANSAS AND SOUTHWESTERN MISSOURI.

LAT...LON 3821 9352 3819 9352 3818 9351 3815 9351
      3804 9351 3803 9352 3797 9386 3808 9392
      3821 9376 3821 9358 3822 9357
TIME...MOT...LOC 2041Z 225DEG 44KT 3826 9351

$$

CRAMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 7, 2:27 PM CST	Tornado Warning	SGF	Benton	47 min
Jan 7, 2:58 PM CST	Tornado Warning	SGF	Morgan	36 min
Jan 7, 4:11 PM CST	Tornado Warning	SGF	McDonald	64 min
Jan 7, 4:36 PM CST	Tornado Warning	SGF	Barry, Newton	54 min
Jan 7, 5:05 PM CST	Severe Thunderstorm Warning	SGF	Lawrence	70 min
Jan 7, 5:09 PM CST	Tornado Warning	SGF	Christian, Lawrence, Stone	50 min
Jan 7, 5:18 PM CST	Tornado Warning	SGF	McDonald	72 min
Jan 7, 5:26 PM CST	Tornado Warning	SGF	Greene	64 min
Jan 7, 5:47 PM CST	Tornado Warning	SGF	Barry	73 min

Nearby

Tornado Warnings in Missouri, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.