Alert archive / Missouri / Tornado Warnings in 2010

Tornado Warning 85, NWS St. Louis, MO

December 31, 2010Calhoun County, Pike County, Illinois; Lincoln County, Montgomery County, Pike County, Missouri

NWS St. Louis, MO issued this tornado warning at Dec 31, 2010, 11:15 AM CST for Calhoun County, Pike County, Illinois; Lincoln County, Montgomery County, Pike County, Missouri. It was in force for 45 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: Dec 31, 2010, 11:15 AM CST (17:15 UTC)
Expired: Dec 31, 2010, 12:00 PM CST
In force: 45 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon

Counties Calhoun County, IL, Pike County, IL, Lincoln County, MO, Montgomery County, MO, Pike County, MO

The radar

The St Louis radar (KLSX), 70 km from the middle of the area, began a volume at 17:17 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
Dec 31, 11:51 AM CST	TORNADO	Mozier, IL	NUMEROUS LARGE TREES DOWN ALONG HIGHWAY 96 WEST OF MOZIER IL 3 FOOT DIAMETER TREES DOWN BLOCKING HIGHWAY 96.

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
Dec 31, 7:29 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.3 hours before the alert went out and 210 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 506 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 450 m²/s²
0-3 km storm-relative helicity: 427 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.

871 
WFUS53 KLSX 311715
TORLSX
ILC013-149-MOC113-139-163-311800-
/O.NEW.KLSX.TO.W.0085.101231T1715Z-101231T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1115 AM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
  SOUTHEASTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...
  NORTHERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHEASTERN PIKE COUNTY IN NORTHEAST MISSOURI...

* UNTIL NOON CST

* AT 1113 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR BELLFLOWER...OR 12 MILES NORTHEAST OF
  MONTGOMERY CITY...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ELSBERRY...EOLIA...CLARKSVILLE...BELLEVIEW...OLNEY...SILEX...
  CYRENE...WHITESIDE...EDGEWOOD...NEW HOPE...PAYNESVILLE...ANNADA...
  HAMBURG...MOZIER...NEBO...MICHAEL...KAMPSVILLE...BEECREEK AND
  PEARL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3958 9061 3944 9061 3937 9062 3932 9061
      3918 9061 3898 9136 3911 9140
TIME...MOT...LOC 1715Z 238DEG 48KT 3908 9129

$$

MILLER

1 follow-up statement

330 
WWUS53 KLSX 311734
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1134 AM CST FRI DEC 31 2010

MOC139-311743-
/O.CAN.KLSX.TO.W.0085.000000T0000Z-101231T1800Z/
MONTGOMERY MO-
1134 AM CST FRI DEC 31 2010

...THE TORNADO WARNING FOR MONTGOMERY COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA.

LAT...LON 3944 9061 3944 9062 3936 9062 3931 9061
      3918 9061 3908 9114 3923 9119 3958 9061
TIME...MOT...LOC 1733Z 238DEG 48KT 3920 9102

$$

ILC013-149-MOC113-163-311800-
/O.CON.KLSX.TO.W.0085.000000T0000Z-101231T1800Z/
CALHOUN IL-PIKE IL-LINCOLN MO-PIKE MO-
1134 AM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR CALHOUN COUNTY IN
SOUTHWEST ILLINOIS...AND SOUTHEASTERN PIKE COUNTY IN WEST CENTRAL
ILLINOIS...AND NORTHERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...AND
EAST CENTRAL PIKE COUNTY IN NORTHEAST MISSOURI UNTIL NOON CST...

AT 1130 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES SOUTHWEST OF EOLIA...OR 13 MILES SOUTHEAST
OF BOWLING GREEN...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  ELSBERRY...EOLIA...CLARKSVILLE...BELLEVIEW...NEW HOPE...
  PAYNESVILLE...ANNADA...HAMBURG...MOZIER...NEBO...MICHAEL...
  KAMPSVILLE...BEECREEK AND PEARL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3944 9061 3944 9062 3936 9062 3931 9061
      3918 9061 3908 9114 3923 9119 3958 9061
TIME...MOT...LOC 1733Z 238DEG 48KT 3920 9102

$$

MILLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 31, 9:43 AM CST	Tornado Warning	LSX	Adams, Brown	32 min
Dec 31, 10:22 AM CST	Tornado Warning	LSX	Pike	38 min
Dec 31, 11:00 AM CST	Tornado Warning	LSX	Calhoun, Pike	60 min
Dec 31, 11:22 AM CST	Tornado Warning	LSX	Calhoun, Jersey, Madison, Monroe, Saint Clair	53 min
Dec 31, 11:54 AM CST	Tornado Warning	LSX	Calhoun, Greene, Pike	51 min
Dec 31, 11:59 AM CST	Tornado Warning	LSX	Bond, Clinton, Jersey, Macoupin, Madison, Monroe and 2 more	61 min
Dec 31, 12:38 PM CST	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion, Montgomery	67 min
Dec 31, 12:57 PM CST	Tornado Warning	LSX	Bond, Clinton, Madison, Monroe, Randolph, Saint Clair and 1 more	48 min
Dec 31, 1:11 PM CST	Tornado Warning	LSX	Randolph	49 min
Dec 31, 1:40 PM CST	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion, Washington	50 min
Dec 31, 1:44 PM CST	Tornado Warning	LSX	Clinton, Monroe, Randolph, Saint Clair, Washington	61 min
Dec 31, 2:00 PM CST	Tornado Warning	LSX	Randolph	60 min
Dec 31, 2:22 PM CST	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion, Washington	53 min
Dec 31, 2:26 AM CST	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Gasconade, Osage	49 min
Dec 31, 3:05 AM CST	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Gasconade	40 min
Dec 31, 9:41 AM CST	Severe Thunderstorm Warning	LSX	Callaway	34 min
Dec 31, 10:08 AM CST	Tornado Warning	LSX	Audrain, Callaway, Montgomery, Pike	37 min
Dec 31, 10:11 AM CST	Tornado Warning	LSX	Crawford, Franklin, Gasconade	64 min
Dec 31, 10:13 AM CST	Tornado Warning	LSX	Crawford, Franklin, Washington	62 min
Dec 31, 10:47 AM CST	Tornado Warning	LSX	Montgomery, Pike	13 min
Dec 31, 10:56 AM CST	Tornado Warning	LSX	Crawford, Franklin, Jefferson, Saint Charles, Saint Louis, Warren and 1 more	64 min
Dec 31, 12:29 PM CST	Tornado Warning	LSX	Jefferson, Sainte Genevieve, Saint Francois	31 min

Nearby

Tornado Warnings in Missouri, 2010 Tornado Warnings in Illinois, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.