Alert archive / Missouri / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 151, NWS St. Louis, MO

July 13, 2015Lewis County, Marion County, Shelby County, Missouri; Adams County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jul 13, 2015, 5:37 PM CDT for Lewis County, Marion County, Shelby County, Missouri; Adams County, Illinois. It was in force for 53 min. 13 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: Jul 13, 2015, 5:37 PM CDT (22:37 UTC)
Expired: Jul 13, 2015, 6:30 PM CDT
In force: 53 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

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

The radar

The St Louis radar (KLSX), 176 km from the middle of the area, began a volume at 22:38 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
Jul 13, 5:50 PM CDT	TSTM WND DMG	Lewistown, MO	TREE FELL ON A MOBILE HOME.
Jul 13, 6:00 PM CDT	TSTM WND DMG	Canton, MO	CANTON POLICE REPORTED A MOBILE HOME PUSHED OFF ITS FOUNDATION. TREES AND POWER LINES DOWN ACROSS TOWN.
Jul 13, 6:00 PM CDT	TSTM WND DMG	Ewing, MO	ROOF TAKEN OFF CHURCH...NUMEROUS TREES DOWNED ALL AROUND TOWN
Jul 13, 6:14 PM CDT	TSTM WND GST 60	Quincy, IL	ROTATION IN CLOUDS SIGHTED.
Jul 13, 6:15 PM CDT	TSTM WND DMG	Taylor, MO	48 INCH DIAMETER TREE UPROOTED...NUMEROUS POWER LINES DOWNED
Jul 13, 6:21 PM CDT	TSTM WND GST 60	Quincy, IL	LARGE LIMBS DOWNED.
Jul 13, 6:22 PM CDT	TSTM WND GST 67	4 Ne Quincy, IL	67 MPH WIND GUST AT UIN
Jul 13, 6:22 PM CDT	TSTM WND GST 67	Quincy, IL	MULTIPLE REPORTS OF TREES AND POWER LINES DOWN IN QUINCY.
Jul 13, 6:22 PM CDT	TSTM WND GST 74	4 Ne Burton, IL	PEAK WIND GUST MEASURED AT THE KUIN ASOS
Jul 13, 6:25 PM CDT	TSTM WND DMG	Payson, IL	TREES UPROOTED
Jul 13, 6:25 PM CDT	TSTM WND GST 63	4 Ne Burton, IL
Jul 13, 6:26 PM CDT	TSTM WND GST 70	Coatsburg, IL	THE TOWN IS NEAR QUINCY ILLINOIS.
Jul 13, 6:40 PM CDT	TSTM WND GST 70	Payson, IL	SIXTY FOOT TALL TREE DOWNED.

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

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.6 hours before the alert went out and 187 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: 3490 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

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

481 
WUUS53 KLSX 132237
SVRLSX
ILC001-MOC111-127-205-132330-
/O.NEW.KLSX.SV.W.0151.150713T2237Z-150713T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
537 PM CDT MON JUL 13 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
  NORTHEASTERN SHELBY COUNTY IN NORTHEASTERN MISSOURI...
  LEWIS COUNTY IN NORTHEASTERN MISSOURI...
  NORTHERN MARION COUNTY IN NORTHEASTERN MISSOURI...

* UNTIL 630 PM CDT

* AT 537 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER KNOX CITY...
  MOVING EAST AT 55 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...TRAINED WEATHER SPOTTERS. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
           TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE 
           HOMES...ROOFS AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  QUINCY...CANTON...PAYSON...MENDON...LA GRANGE...LA BELLE...
  LEWISTOWN...FALL CREEK...EWING...STEFFENVILLE...MAYWOOD...ADAMS...
  BURTON...URSA...LORAINE...WOODVILLE...TAYLOR...LIMA...COATSBURG AND
  MONTICELLO.

THIS INCLUDES INTERSTATE 172 BETWEEN EXITS 2 AND 19.
 
THIS WARNING ALSO INCLUDES WAKONDA STATE PARK.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THIS STORM IS PRODUCING WIDESPREAD 
WIND DAMAGE. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY 
AWAY FROM WINDOWS.

&&

LAT...LON 4025 9154 4025 9150 4020 9151 4019 9109
      3976 9123 3990 9195 4026 9195
TIME...MOT...LOC 2237Z 283DEG 46KT 4018 9200 

HAIL...1.00IN
WIND...70MPH
 
$$

TILLY

3 follow-up statements

896 
WWUS53 KLSX 132249
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
549 PM CDT MON JUL 13 2015

ILC001-MOC111-127-205-132330-
/O.CON.KLSX.SV.W.0151.000000T0000Z-150713T2330Z/
ADAMS IL-SHELBY MO-LEWIS MO-MARION MO-
549 PM CDT MON JUL 13 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR WESTERN ADAMS...NORTHEASTERN SHELBY...LEWIS AND NORTHERN MARION
COUNTIES...

AT 549 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LEWISTOWN...
MOVING EAST AT 55 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE 
         HOMES...ROOFS AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
QUINCY...CANTON...PAYSON...MENDON...LA GRANGE...LA BELLE...
LEWISTOWN...FALL CREEK...EWING...STEFFENVILLE...MAYWOOD...ADAMS...
BURTON...URSA...LORAINE...WOODVILLE...TAYLOR...LIMA...COATSBURG AND
MONTICELLO.

THIS WARNING ALSO INCLUDES WAKONDA STATE PARK.
 
THIS INCLUDES INTERSTATE 172 BETWEEN EXITS 2 AND 19.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS SITUATION. THIS STORM IS PRODUCING 
WIDESPREAD WIND DAMAGE ACROSS KNOX COUNTY. SEEK SHELTER NOW INSIDE A 
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 4025 9154 4025 9150 4020 9151 4019 9109
      3976 9123 3990 9195 4026 9195
TIME...MOT...LOC 2249Z 280DEG 48KT 4016 9175 

HAIL...1.00IN
WIND...70MPH
 
$$

TILLY

013 
WWUS53 KLSX 132304
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
604 PM CDT MON JUL 13 2015

ILC001-MOC111-127-205-132330-
/O.CON.KLSX.SV.W.0151.000000T0000Z-150713T2330Z/
ADAMS IL-SHELBY MO-LEWIS MO-MARION MO-
604 PM CDT MON JUL 13 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR WESTERN ADAMS...NORTHEASTERN SHELBY...LEWIS AND NORTHERN MARION
COUNTIES...

AT 603 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CANTON...
MOVING EAST AT 55 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE 
         HOMES...ROOFS AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
QUINCY...CANTON...PAYSON...MENDON...LA GRANGE...LA BELLE...
LEWISTOWN...FALL CREEK...EWING...STEFFENVILLE...MAYWOOD...ADAMS...
BURTON...URSA...LORAINE...WOODVILLE...TAYLOR...LIMA...COATSBURG AND
MONTICELLO.

THIS WARNING ALSO INCLUDES WAKONDA STATE PARK.
 
THIS INCLUDES INTERSTATE 172 BETWEEN EXITS 2 AND 19.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS SITUATION. THIS STORM IS PRODUCING 
WIDESPREAD WIND DAMAGE ACROSS PORTIONS OF KNOX COUNTY. SEEK SHELTER 
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 4025 9154 4025 9150 4020 9151 4019 9109
      3976 9123 3990 9195 4026 9195
TIME...MOT...LOC 2303Z 282DEG 46KT 4012 9151 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

TILLY

055 
WWUS53 KLSX 132312
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
612 PM CDT MON JUL 13 2015

MOC205-132322-
/O.CAN.KLSX.SV.W.0151.000000T0000Z-150713T2330Z/
SHELBY MO-
612 PM CDT MON JUL 13 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SHELBY COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4025 9150 4020 9151 4019 9109 3976 9123
      3989 9184 4009 9185 4021 9175 4025 9154
TIME...MOT...LOC 2312Z 282DEG 46KT 4010 9137 

$$

ILC001-MOC111-127-132330-
/O.CON.KLSX.SV.W.0151.000000T0000Z-150713T2330Z/
ADAMS IL-LEWIS MO-MARION MO-
612 PM CDT MON JUL 13 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR WESTERN ADAMS...LEWIS AND NORTHERN MARION COUNTIES...

AT 612 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MENDON...
MOVING EAST AT 55 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE 
         HOMES...ROOFS AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
QUINCY...CANTON...PAYSON...MENDON...LA GRANGE...LEWISTOWN...FALL
CREEK...EWING...MAYWOOD...ADAMS...BURTON...URSA...LORAINE...
WOODVILLE...TAYLOR...LIMA...COATSBURG...MONTICELLO...MEYER AND
FOWLER.

THIS WARNING ALSO INCLUDES WAKONDA STATE PARK.
 
THIS INCLUDES INTERSTATE 172 BETWEEN EXITS 2 AND 19.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS SITUATION. THIS STORM IS PRODUCING 
WIDESPREAD WIND DAMAGE ACROSS LEWIS COUNTY. SEEK SHELTER NOW INSIDE 
A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 4025 9150 4020 9151 4019 9109 3976 9123
      3989 9184 4009 9185 4021 9175 4025 9154
TIME...MOT...LOC 2312Z 282DEG 46KT 4010 9137 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

TILLY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 5:16 PM CDT	Severe Thunderstorm Warning	LSX	Knox	44 min
Jul 13, 6:20 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	55 min
Jul 13, 6:55 PM CDT	Severe Thunderstorm Warning	LSX	Pike	22 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2015 Severe Thunderstorm Warnings in Illinois, 2015 Every severe thunderstorm warning in 2015

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.