Alert archive / Missouri / Tornado Warnings in 2010

Tornado Warning 7, NWS St. Louis, MO

April 4, 2010Lincoln County, Pike County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 4, 2010, 8:19 PM CDT for Lincoln County, Pike County, Missouri. It was in force for 41 min. 8 reports 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
Apr 4, 2010, 8:19 PM CDT (01:19 UTC)
Expired
Apr 4, 2010, 9:00 PM CDT
In force
41 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Lincoln County, MO, Pike County, MO

The radar

The St Louis radar (KLSX), 82 km from the middle of the area, began a volume at 01:22 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

TimeReportWhereRemark
Apr 4, 8:39 PM CDTHAIL 1New Hartford, MO
Apr 4, 8:40 PM CDTHAIL 1.253 W Ashley, MO
Apr 4, 8:42 PM CDTHAIL 0.881 W Bowling Green, MO
Apr 4, 8:52 PM CDTHAIL 0.7Louisiana, MO
Apr 4, 8:53 PM CDTHAIL 1.751 W Eolia, MO
Apr 4, 8:54 PM CDTHAIL 1.751 N Eolia, MO
Apr 4, 8:54 PM CDTHAIL 2Eolia, MO
Apr 4, 8:58 PM CDTHAIL 0.5Whiteside, MO

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.

IssuedProductOfficeLasted
Apr 4, 3:34 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.3 hours before the alert went out and 241 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2010-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2010-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 334 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
2143 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
334 m²/s²
0-3 km storm-relative helicity
480 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.

170 
WFUS53 KLSX 050119
TORLSX
MOC113-163-050200-
/O.NEW.KLSX.TO.W.0007.100405T0119Z-100405T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
819 PM CDT SUN APR 4 2010

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  PIKE COUNTY IN NORTHEAST MISSOURI...

* UNTIL 900 PM CDT

* AT 818 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A CONFIRMED TORNADO NEAR VANDALIA. DOPPLER RADAR SHOWED THIS
  TORNADO MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BOWLING GREEN...LOUISIANA...SPENCERBURG...CURRYVILLE...NEW
  HARTFORD...EOLIA...ASHLEY...ST. CLEMENT...CYRENE...EDGEWOOD AND
  WHITESIDE.

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 3914 9089 3915 9142 3946 9145 3948 9143
      3952 9109
TIME...MOT...LOC 0119Z 269DEG 39KT 3935 9151

$$

BRITT
2 follow-up statements
776 
WWUS53 KLSX 050134
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
834 PM CDT SUN APR 4 2010

MOC113-163-050200-
/O.CON.KLSX.TO.W.0007.000000T0000Z-100405T0200Z/
LINCOLN MO-PIKE MO-
834 PM CDT SUN APR 4 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL LINCOLN
COUNTY IN EAST CENTRAL MISSOURI...AND PIKE COUNTY IN NORTHEAST
MISSOURI UNTIL 900 PM CDT...

AT 832 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR NEW HARTFORD...OR 9 MILES SOUTHEAST OF
VANDALIA...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  BOWLING GREEN...LOUISIANA...NEW HARTFORD...EOLIA...ASHLEY...ST.
  CLEMENT...CYRENE...EDGEWOOD AND WHITESIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3914 9089 3915 9142 3933 9144 3952 9109
TIME...MOT...LOC 0134Z 277DEG 38KT 3925 9131

$$

BRITT
880 
WWUS53 KLSX 050146
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
846 PM CDT SUN APR 4 2010

MOC113-163-050200-
/O.CON.KLSX.TO.W.0007.000000T0000Z-100405T0200Z/
LINCOLN MO-PIKE MO-
846 PM CDT SUN APR 4 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL LINCOLN
COUNTY IN EAST CENTRAL MISSOURI...AND SOUTHERN PIKE COUNTY IN
NORTHEAST MISSOURI UNTIL 900 PM CDT...

AT 841 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES SOUTH OF BOWLING GREEN...MOVING EAST AT 50
MPH.

IN ADDITION...AT 842 PM CDT...HALF DOLLAR SIZE HAIL WAS REPORTED 3 
MILES WEST OF ASHLEY WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
  EOLIA...CYRENE...EDGEWOOD AND WHITESIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.

&&

LAT...LON 3915 9134 3933 9129 3941 9103 3914 9089
TIME...MOT...LOC 0144Z 271DEG 45KT 3926 9113

$$

BRITT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 7:16 PM CDTTornado WarningLSXAudrain, Boone, Monroe44 min
Apr 4, 7:55 PM CDTTornado WarningLSXAudrain, Monroe, Ralls35 min
Apr 4, 8:23 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone37 min
Apr 4, 8:43 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway47 min
Apr 4, 8:55 PM CDTTornado WarningLSXLincoln, Pike35 min
Apr 4, 8:57 PM CDTTornado WarningLSXAudrain, Montgomery33 min
Apr 4, 9:29 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway46 min
Apr 4, 9:56 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway34 min
Apr 4, 10:03 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Warren42 min
Apr 4, 10:18 PM CDTSevere Thunderstorm WarningLSXCallaway27 min
Apr 4, 10:41 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren34 min
Apr 4, 11:25 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis, City of Saint Louis35 min
Apr 5, 11:59 AM CDTSevere Thunderstorm WarningLSXPike, Ralls31 min
Apr 5, 12:30 PM CDTSevere Thunderstorm WarningLSXPike30 min

Nearby

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