Alert archive / Missouri / Tornado Warnings in 2013

Tornado Warning 15, NWS St. Louis, MO

April 17, 2013Lewis County, Marion County, Missouri; Adams County, Illinois

NWS St. Louis, MO issued this tornado warning at Apr 17, 2013, 6:42 PM CDT for Lewis County, Marion County, Missouri; Adams County, Illinois. It was in force for 48 min. 12 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 17, 2013, 6:42 PM CDT (23:42 UTC)
Expired: Apr 17, 2013, 7:30 PM CDT
In force: 48 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Adams County, IL, Lewis County, MO, Marion County, MO

The radar

The St Louis radar (KLSX), 157 km from the middle of the area, began a volume at 23:42 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
Apr 17, 6:45 PM CDT	TSTM WND DMG	1 E Quincy, IL	16 TO 18 FOOT LONG CONTSTRUCTION TRAILER BLOWN SOUTH THROUGH THE FRONT WALL OF A STAPLES STORE.
Apr 17, 6:45 PM CDT	TSTM WND DMG	Quincy, IL	SIDING RIPPED FROM BACK OF COUNTY MARKET GROCERY STORE AT 48TH AND BROADWAY. TIME BASED ON RADAR.
Apr 17, 6:58 PM CDT	TSTM WND GST 77	4 Ne Burton, IL
Apr 17, 7:00 PM CDT	HAIL 0.7	Fowler, IL
Apr 17, 7:05 PM CDT	TSTM WND DMG	2 N Palmyra, MO	6 INCH LIMBS DOWN AND PEA SIZE HAIL
Apr 17, 7:06 PM CDT	TSTM WND GST 85	Coatsburg, IL
Apr 17, 7:10 PM CDT	FUNNEL CLOUD	2 N Marblehead, IL
Apr 17, 7:14 PM CDT	TSTM WND DMG	Quincy, IL	STREET LIGHTS BLOWN DOWN AT THE INTERSECTION OF 48TH AND BROADWAY.
Apr 17, 7:15 PM CDT	TSTM WND GST 90	4 Ese Loraine, IL	NEAR INTERSECTION OF EAST 1850TH ROAD AND ILLINOIS ROUTE 61.
Apr 17, 7:23 PM CDT	TSTM WND GST 80	Golden, IL	RELAYED VIA ADAMS COUNTY EOC...EST 75-80 MPH WINDS
Apr 17, 7:30 PM CDT	TSTM WND DMG	4 Ne Burton, IL	TREE DAMAGE AT QUINCY AIRPORT.
Apr 17, 7:30 PM CDT	TSTM WND DMG	5 E Quincy, IL	RESTAURANT DAMAGE...DETAILS UNKNOWN AT THIS TIME.

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
Apr 17, 9:14 AM CDT	Severe Thunderstorm Watch	SPC	10 hr
Apr 17, 11:11 AM CDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.7 hours before the alert went out and 223 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: 540 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 299 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.8

Open this sounding in Storm Lab

The text

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

380 
WFUS53 KLSX 172342
TORLSX
ILC001-MOC111-127-180030-
/O.NEW.KLSX.TO.W.0015.130417T2342Z-130418T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
642 PM CDT WED APR 17 2013

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
  SOUTHEASTERN LEWIS COUNTY IN NORTHEAST MISSOURI...
  CENTRAL MARION COUNTY IN NORTHEAST MISSOURI...

* UNTIL 730 PM CDT

* AT 640 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES NORTHEAST OF PALMYRA...AND MOVING
  NORTHEAST AT 40 MPH.

  HAZARD...DEVELOPING TORNADO AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION. NUMEROUS REPORTS OF SIGNIFICANT 
           WIND DAMAGE HAS BEEN REPORTED WITH THIS SEVERE            
           THUNDERSTORM.

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
           EXTENSIVE TREE DAMAGE IS LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  QUINCY...LA GRANGE...MENDON...CAMP POINT...CLAYTON...GOLDEN...
  BURTON...URSA...FOWLER...LIMA...PALOMA...COLUMBUS...COATSBURG...
  LORAINE...WOODVILLE...CHATTON AND LA PRAIRIE.

THIS WARNING INCLUDES WAKONDA STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4019 9091 4005 9092 3979 9152 3984 9159
      4020 9148
TIME...MOT...LOC 2342Z 229DEG 36KT 3988 9146

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CVKING

2 follow-up statements

591 
WWUS53 KLSX 172359
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
659 PM CDT WED APR 17 2013

MOC111-127-180008-
/O.CAN.KLSX.TO.W.0015.000000T0000Z-130418T0030Z/
LEWIS MO-MARION MO-
659 PM CDT WED APR 17 2013

...THE TORNADO WARNING FOR CENTRAL MARION AND SOUTHEASTERN LEWIS
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED EAST OF THE WARNED 
AREA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM AND THERE ARE 
STORMS LINED UP BACK TO CENTRAL MISSOURI THAT WILL AFFECT THIS AREA.

LAT...LON 3988 9131 3999 9146 4020 9148 4019 9091
      4005 9092
TIME...MOT...LOC 2358Z 229DEG 36KT 3997 9129

$$

ILC001-180030-
/O.CON.KLSX.TO.W.0015.000000T0000Z-130418T0030Z/
ADAMS IL-
659 PM CDT WED APR 17 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN ADAMS COUNTY
UNTIL 730 PM CDT...

AT 657 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTHEAST OF QUINCY...AND MOVING NORTHEAST AT 40
MPH.

HAZARD...DEVELOPING TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
MENDON...CAMP POINT...GOLDEN...URSA...FOWLER...LIMA...PALOMA...
COLUMBUS...COATSBURG...LORAINE...WOODVILLE...CHATTON AND LA PRAIRIE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 3988 9131 3999 9146 4020 9148 4019 9091
      4005 9092
TIME...MOT...LOC 2358Z 229DEG 36KT 3997 9129

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CVKING

770 
WWUS53 KLSX 180010
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
710 PM CDT WED APR 17 2013

ILC001-180030-
/O.CON.KLSX.TO.W.0015.000000T0000Z-130418T0030Z/
ADAMS IL-
710 PM CDT WED APR 17 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ADAMS COUNTY
UNTIL 730 PM CDT...

AT 706 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES WEST OF CAMP POINT...AND MOVING NORTHEAST AT 40
MPH.

HAZARD...DEVELOPING TORNADO AND QUARTER SIZE HAIL.

SOURCE...WEATHER SPOTTERS AT QUINCY REGIONAL AIRPORT REPORTED FUNNEL 
         CLOUD TO THE EAST.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
CAMP POINT...GOLDEN...CHATTON AND LA PRAIRIE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 3997 9117 4001 9123 4011 9126 4019 9110
      4019 9091 4005 9092
TIME...MOT...LOC 0010Z 229DEG 36KT 4004 9112

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CVKING

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 17, 9:07 AM CDT	River Flood Warning	LSX	Lewis	5 days
Apr 17, 9:07 AM CDT	River Flood Warning	LSX	Lewis	5 days
Apr 17, 9:07 AM CDT	River Flood Warning	LSX	Marion	5 days
Apr 17, 9:07 AM CDT	River Flood Warning	LSX	Marion	3 days
Apr 17, 10:46 AM CDT	River Flood Warning	LSX	Boone, Callaway, Cole, Moniteau	5 days
Apr 17, 10:46 AM CDT	River Flood Warning	LSX	Callaway, Osage	8 days
Apr 17, 10:46 AM CDT	River Flood Warning	LSX	Gasconade, Montgomery	8 days
Apr 17, 10:46 AM CDT	River Flood Warning	LSX	Gasconade, Montgomery	8 days
Apr 17, 10:46 AM CDT	River Flood Warning	LSX	Franklin, Warren	6 days
Apr 17, 10:46 AM CDT	River Flood Warning	LSX	Saint Charles, Saint Louis	8 days
Apr 17, 11:00 AM CDT	River Flood Warning	LSX	Lincoln	3 days
Apr 17, 11:00 AM CDT	River Flood Warning	LSX	Monroe	5 days
Apr 17, 11:48 AM CDT	River Flood Warning	LSX	Lewis	36 days
Apr 17, 11:48 AM CDT	River Flood Warning	LSX	Marion	36 days
Apr 17, 11:48 AM CDT	River Flood Warning	LSX	Marion	34 days
Apr 17, 11:48 AM CDT	River Flood Warning	LSX	Ralls	37 days
Apr 17, 11:48 AM CDT	River Flood Warning	LSX	Saint Charles	32 days
Apr 17, 11:48 AM CDT	River Flood Warning	LSX	Saint Louis, City of Saint Louis	24 days
Apr 17, 11:48 AM CDT	River Flood Warning	LSX	Perry, Sainte Genevieve	39 days
Apr 17, 12:40 PM CDT	River Flood Warning	LSX	Jefferson, Saint Louis	31 days
Apr 17, 4:47 PM CDT	Severe Thunderstorm Warning	LSX	Moniteau	43 min
Apr 17, 5:21 PM CDT	Tornado Warning	LSX	Boone, Moniteau	24 min
Apr 17, 5:24 PM CDT	Tornado Warning	LSX	Audrain, Monroe	36 min
Apr 17, 5:43 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Moniteau	47 min
Apr 17, 5:55 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Monroe, Ralls, Shelby	50 min
Apr 17, 5:55 PM CDT	Tornado Warning	LSX	Audrain, Monroe	35 min
Apr 17, 6:12 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Callaway	48 min
Apr 17, 6:15 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone	45 min
Apr 17, 6:24 PM CDT	Severe Thunderstorm Warning	LSX	Lewis, Marion	66 min
Apr 17, 6:55 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Monroe	50 min
Apr 16, 10:23 PM CDT	Severe Thunderstorm Warning	LSX	Marion	37 min
Apr 17, 9:58 AM CDT	River Flood Warning	LSX	Fayette	14 days
Apr 17, 10:33 AM CDT	River Flood Warning	LSX	Brown	9 days
Apr 17, 12:30 PM CDT	River Flood Warning	LSX	Morgan, Pike	36 days
Apr 17, 12:30 PM CDT	River Flood Warning	LSX	Pike, Scott	72 days
Apr 17, 12:30 PM CDT	River Flood Warning	LSX	Brown	35 days
Apr 17, 3:23 PM CDT	Severe Thunderstorm Warning	LSX	Adams	22 min

Nearby

Tornado Warnings in Missouri, 2013 Tornado Warnings in Illinois, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.