Alert archive / Missouri / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 313, NWS St. Louis, MO

June 13, 2011Adams County, Illinois; Knox County, Lewis County, Marion County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 13, 2011, 2:57 PM CDT for Adams County, Illinois; Knox County, Lewis County, Marion County, Missouri. It was in force for 48 min. 6 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: Jun 13, 2011, 2:57 PM CDT (19:57 UTC)
Expired: Jun 13, 2011, 3:45 PM CDT
In force: 48 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The St Louis radar (KLSX), 168 km from the middle of the area, began a volume at 19:58 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
Jun 13, 3:20 PM CDT	TSTM WND GST 67	Quincy, IL	SEVERAL SMALL BRANCHES DOWN
Jun 13, 3:25 PM CDT	TSTM WND DMG	Quincy, IL	8 INCH DIAMETER TREE LIMB DOWN AT 13TH AND LOCUST. RELAYED BY WGEM.
Jun 13, 3:26 PM CDT	TSTM WND GST 60	Quincy, IL
Jun 13, 3:36 PM CDT	TSTM WND GST 59	4 Ne Burton, IL
Jun 13, 3:40 PM CDT	TSTM WND GST 60	Liberty, IL	POWER OUTAGES REPORTED. ALSO RECEIVED PEA SIZE HAIL.
Jun 13, 3:48 PM CDT	HAIL 0.25	Liberty, IL

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, 8.0 hours before the alert went out and 197 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: 1758 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 144 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.

446 
WUUS53 KLSX 131957
SVRLSX
ILC001-MOC103-111-127-132045-
/O.NEW.KLSX.SV.W.0313.110613T1957Z-110613T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
257 PM CDT MON JUN 13 2011

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
  EAST CENTRAL KNOX COUNTY IN NORTHEAST MISSOURI...
  LEWIS COUNTY IN NORTHEAST MISSOURI...
  MARION COUNTY IN NORTHEAST MISSOURI...

* UNTIL 345 PM CDT

* AT 253 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  CANTON...AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PALMYRA...QUINCY...MENDON...FALL CREEK...PAYSON...CAMP POINT...
  GOLDEN...CLAYTON...URSA...MARBLEHEAD...LORAINE...WOODVILLE...
  FOWLER...BURTON...PALOMA...COATSBURG...COLUMBUS...ADAMS...CHATTON
  AND LA PRAIRIE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4020 9150 4020 9092 3983 9091 3973 9174
      3991 9184 3994 9184 3995 9186 4023 9202
      4024 9150
TIME...MOT...LOC 1957Z 288DEG 24KT 4012 9140
WIND...HAIL 60MPH 1.00IN

$$

GLASS

2 follow-up statements

493 
WWUS53 KLSX 132010
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
310 PM CDT MON JUN 13 2011

ILC001-MOC103-111-127-132045-
/O.CON.KLSX.SV.W.0313.000000T0000Z-110613T2045Z/
ADAMS IL-KNOX MO-LEWIS MO-MARION MO-
310 PM CDT MON JUN 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MARION...
LEWIS...EAST CENTRAL KNOX AND ADAMS COUNTIES UNTIL 345 PM CDT...

AT 307 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES EAST OF MENDON TO
STEFFENVILLE...MOVING SOUTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  QUINCY...PALMYRA...GOLDEN...CAMP POINT...MAYWOOD...PHILADELPHIA...
  CLAYTON...PAYSON...CHATTON...LA PRAIRIE...COATSBURG...PALOMA...
  FOWLER...TAYLOR...COLUMBUS...BURTON...KELLERVILLE...LIBERTY...
  MARBLEHEAD AND ADAMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4020 9150 4020 9092 3983 9091 3973 9174
      3991 9184 3994 9184 3995 9186 4023 9202
      4024 9150
TIME...MOT...LOC 2010Z 303DEG 39KT 4009 9113 3999 9178
WIND...HAIL 60MPH 1.00IN

$$

GLASS

386 
WWUS53 KLSX 132028
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
328 PM CDT MON JUN 13 2011

MOC103-132037-
/O.CAN.KLSX.SV.W.0313.000000T0000Z-110613T2045Z/
KNOX MO-
328 PM CDT MON JUN 13 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL KNOX COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4019 9092 3992 9091 3983 9092 3973 9174
      3991 9184 3994 9184 3996 9186 4020 9150
TIME...MOT...LOC 2027Z 303DEG 39KT 3999 9093 3992 9136
          4002 9163

$$

ILC001-MOC111-127-132045-
/O.CON.KLSX.SV.W.0313.000000T0000Z-110613T2045Z/
ADAMS IL-LEWIS MO-MARION MO-
328 PM CDT MON JUN 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MARION...
SOUTHEASTERN LEWIS AND ADAMS COUNTIES UNTIL 345 PM CDT...

AT 325 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM CLAYTON TO QUINCY TO EWING...
MOVING SOUTHEAST AT 45 MPH.

IN ADDITION...AT 326 PM A TRAINED WEATHER SPOTTER REPORTED GREATER 
THAN 60 MPH WINDS IN QUINCY.

LOCATIONS IMPACTED INCLUDE...
  PALMYRA...PHILADELPHIA...MAYWOOD...PAYSON...BURTON...KELLERVILLE...
  LIBERTY...ADAMS...TAYLOR...RICHFIELD AND MARBLEHEAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4019 9092 3992 9091 3983 9092 3973 9174
      3991 9184 3994 9184 3996 9186 4020 9150
TIME...MOT...LOC 2027Z 303DEG 39KT 3999 9093 3992 9136
          4002 9163
WIND...HAIL 60MPH 1.00IN

$$

GLASS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 3:37 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	38 min
Jun 13, 4:02 PM CDT	Flash Flood Watch	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	39 hr
Jun 13, 4:09 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Pike	51 min
Jun 13, 4:18 PM CDT	Flash Flood Warning	LSX	Adams	6 hr
Jun 13, 5:41 PM CDT	Flash Flood Warning	LSX	Brown, Pike	6 hr
Jun 13, 5:49 AM CDT	Severe Thunderstorm Warning	LSX	Callaway, Cole, Osage	26 min
Jun 13, 5:55 AM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Callaway	50 min
Jun 13, 6:13 AM CDT	Severe Thunderstorm Warning	LSX	Callaway, Cole, Gasconade, Osage	47 min
Jun 13, 6:42 AM CDT	Severe Thunderstorm Warning	LSX	Audrain, Callaway	48 min
Jun 13, 6:57 AM CDT	Areal Flood Advisory	LSX	Gasconade, Osage	3 hr
Jun 13, 7:11 AM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway	49 min
Jun 13, 7:14 AM CDT	Severe Thunderstorm Warning	LSX	Crawford, Gasconade	46 min
Jun 13, 7:33 AM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Francois, Washington	42 min
Jun 13, 7:55 AM CDT	Severe Thunderstorm Warning	LSX	Crawford	50 min
Jun 13, 8:07 AM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Sainte Genevieve, Saint Francois	53 min
Jun 13, 8:27 AM CDT	Severe Thunderstorm Warning	LSX	Crawford, Iron, Reynolds, Washington	48 min
Jun 13, 8:33 AM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles, Saint Louis, Warren	42 min
Jun 13, 8:51 AM CDT	Areal Flood Advisory	LSX	Crawford	6 hr
Jun 13, 8:55 AM CDT	Severe Thunderstorm Warning	LSX	Boone, Cole, Moniteau	50 min
Jun 13, 9:19 AM CDT	Severe Thunderstorm Warning	LSX	Reynolds	41 min
Jun 13, 9:44 AM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway, Cole, Moniteau, Osage	30 min
Jun 13, 4:54 PM CDT	Areal Flood Advisory	LSX	Lewis	6 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2011 Severe Thunderstorm Warnings in Illinois, 2011 Every severe thunderstorm warning in 2011

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.