Alert archive / Missouri / Tornado Warnings in 2012

Tornado Warning 7, NWS Springfield, MO

January 17, 2012Miller County, Pulaski County, Missouri

NWS Springfield, MO issued this tornado warning at Jan 17, 2012, 12:41 AM CST for Miller County, Pulaski County, Missouri. It was in force for 29 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jan 17, 2012, 12:41 AM CST (06:41 UTC)
Expired: Jan 17, 2012, 1:10 AM CST
In force: 29 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

Counties Miller County, MO, Pulaski County, MO

The radar

The Springfield radar (KSGF), 133 km from the middle of the area, began a volume at 06:42 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.

What was reported inside it

Time	Report	Where	Remark
Jan 17, 12:55 AM CST	HAIL 1.25	Iberia, MO	QUARTER TO HALF DOLLAR SIZE HAIL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 16, 11:47 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.7 hours before the alert went out and 185 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: 3 J/kg
Mixed-layer CIN: -171 J/kg
Mixed-layer LCL: 1205 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 246 m²/s²
0-3 km storm-relative helicity: 361 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.

764 
WFUS53 KSGF 170641
TORSGF
MOC131-169-170730-
/O.NEW.KSGF.TO.W.0007.120117T0641Z-120117T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1241 AM CST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN PULASKI COUNTY IN CENTRAL MISSOURI...
  SOUTHEASTERN MILLER COUNTY IN CENTRAL MISSOURI...

* UNTIL 130 AM CST.

* AT 1238 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 11 MILES WEST OF CROCKER...OR 14 MILES SOUTHEAST OF OSAGE
  BEACH...MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE CROCKER...DIXON AND IBERIA.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3814 9218 3802 9218 3801 9202 3792 9202
      3794 9241 3802 9241 3802 9251 3806 9251
TIME...MOT...LOC 0641Z 261DEG 43KT 3800 9241
HAIL <.50IN

$$

CRAMER

1 follow-up statement

074 
WWUS53 KSGF 170710
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
110 AM CST TUE JAN 17 2012

MOC131-169-170721-
/O.CAN.KSGF.TO.W.0007.000000T0000Z-120117T0730Z/
MILLER MO-PULASKI MO-
110 AM CST TUE JAN 17 2012

...THE TORNADO WARNING FOR NORTHERN PULASKI AND SOUTHEASTERN MILLER
COUNTIES 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 700 AM CST TUESDAY MORNING
FOR SOUTHERN MISSOURI.

LAT...LON 3814 9218 3802 9218 3801 9202 3792 9202
      3794 9241 3802 9241 3802 9251 3806 9251
TIME...MOT...LOC 0711Z 261DEG 43KT 3805 9196

$$

CRAMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 16, 10:55 PM CST	Severe Thunderstorm Warning	SGF	Cedar, St. Clair	25 min
Jan 16, 11:08 PM CST	Tornado Warning	SGF	Hickory, Polk, St. Clair	35 min
Jan 16, 11:29 PM CST	Tornado Warning	SGF	Camden, Dallas	46 min
Jan 16, 11:53 PM CST	Tornado Warning	SGF	Dallas, Hickory	20 min
Jan 16, 11:58 PM CST	Tornado Warning	SGF	Miller	47 min
Jan 17, 12:18 AM CST	Tornado Warning	SGF	Camden	42 min
Jan 17, 12:22 AM CST	Tornado Warning	SGF	Maries	53 min
Jan 17, 12:57 AM CST	Tornado Warning	SGF	Maries	48 min
Jan 17, 1:34 AM CST	Tornado Warning	SGF	Phelps	12 min
Jan 17, 2:55 AM CST	Severe Thunderstorm Warning	SGF	Camden, Dallas, Laclede	50 min
Jan 17, 3:27 AM CST	Severe Thunderstorm Warning	SGF	Pulaski	33 min
Jan 17, 3:53 AM CST	Severe Thunderstorm Warning	SGF	Maries, Phelps	41 min

Nearby

Tornado Warnings in Missouri, 2012 Every tornado warning in 2012 Tornadoes in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.