Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 61, NWS St. Louis, MO

May 10, 2016Crawford County, Iron County, Washington County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 10, 2016, 6:15 AM CDT for Crawford County, Iron County, Washington County, Missouri. It was in force for 60 min. 2 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: May 10, 2016, 6:15 AM CDT (11:15 UTC)
Expired: May 10, 2016, 7:15 AM CDT
In force: 60 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Crawford County, MO, Iron County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 111 km from the middle of the area, began a volume at 11:17 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
May 10, 6:47 AM CDT	HAIL 0.7	Viburnum, MO
May 10, 6:50 AM CDT	HAIL 0.5	Viburnum, MO

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

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 11.3 hours before the alert went out and 256 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: 826 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 698 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

As transmitted.

965 
WUUS53 KLSX 101115
SVRLSX
MOC055-093-221-101215-
/O.NEW.KLSX.SV.W.0061.160510T1115Z-160510T1215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
615 AM CDT TUE MAY 10 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN IRON COUNTY IN SOUTHEASTERN MISSOURI...
  SOUTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 715 AM CDT

* AT 615 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTHEAST
  OF SALEM...MOVING EAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  POTOSI...VIBURNUM...IRONDALE...MINERAL POINT...OLD MINES...CHERRYVILLE...
  COURTOIS...CALEDONIA...DILLARD...COOK STATION...DAVISVILLE...BELGRADE...
  LATTY...SHIRLEY AND CADET.

THIS ALSO INCLUDES  DILLARD MILL HISTORIC SITE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3770 9116 3770 9131 3779 9131 3779 9153
      3806 9064 3770 9065 3767 9115
TIME...MOT...LOC 1115Z 255DEG 40KT 3776 9146 

HAIL...1.00IN
WIND...60MPH
 
$$

CVKING

4 follow-up statements

930 
WWUS53 KLSX 101126
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
626 AM CDT TUE MAY 10 2016

MOC055-093-221-101215-
/O.CON.KLSX.SV.W.0061.000000T0000Z-160510T1215Z/
IRON MO-CRAWFORD MO-WASHINGTON MO-
626 AM CDT TUE MAY 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR NORTHWESTERN IRON...SOUTHERN CRAWFORD AND SOUTHERN WASHINGTON
COUNTIES...

AT 626 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTHWEST OF
CHERRYVILLE...MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
POTOSI...VIBURNUM...IRONDALE...MINERAL POINT...OLD MINES...CHERRYVILLE...
COURTOIS...CALEDONIA...DILLARD...COOK STATION...DAVISVILLE...BELGRADE...
LATTY...SHIRLEY AND CADET.

THIS ALSO INCLUDES  DILLARD MILL HISTORIC SITE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3770 9116 3770 9131 3779 9131 3779 9153
      3806 9064 3770 9065 3767 9115
TIME...MOT...LOC 1126Z 261DEG 36KT 3774 9134 

HAIL...1.25IN
WIND...60MPH
 
$$

CVKING

890 
WWUS53 KLSX 101136
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
636 AM CDT TUE MAY 10 2016

MOC055-093-221-101215-
/O.CON.KLSX.SV.W.0061.000000T0000Z-160510T1215Z/
IRON MO-CRAWFORD MO-WASHINGTON MO-
636 AM CDT TUE MAY 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR NORTHWESTERN IRON...SOUTHEASTERN CRAWFORD AND SOUTHERN WASHINGTON
COUNTIES...

AT 636 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR CHERRYVILLE TO NEAR VIBURNUM...MOVING EAST AT 55
MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
POTOSI...VIBURNUM...IRONDALE...MINERAL POINT...OLD MINES...CHERRYVILLE...
COURTOIS...CALEDONIA...DILLARD...DAVISVILLE...BELGRADE...LATTY...SHIRLEY
AND CADET.

THIS ALSO INCLUDES  DILLARD MILL HISTORIC SITE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3770 9116 3770 9131 3786 9131 3806 9064
      3770 9065 3767 9115
TIME...MOT...LOC 1136Z 257DEG 47KT 3788 9120 3767 9120 

HAIL...1.00IN
WIND...60MPH
 
$$

CVKING

637 
WWUS53 KLSX 101153
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
653 AM CDT TUE MAY 10 2016

MOC055-101202-
/O.CAN.KLSX.SV.W.0061.000000T0000Z-160510T1215Z/
CRAWFORD MO-
653 AM CDT TUE MAY 10 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRAWFORD COUNTY
IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3782 9110 3805 9064 3770 9065 3767 9110
TIME...MOT...LOC 1152Z 242DEG 46KT 3780 9108 3772 9103 3764 9105 

$$

MOC093-221-101215-
/O.CON.KLSX.SV.W.0061.000000T0000Z-160510T1215Z/
IRON MO-WASHINGTON MO-
653 AM CDT TUE MAY 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR NORTHWESTERN IRON AND SOUTHERN WASHINGTON COUNTIES...

AT 652 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR COURTOIS TO NEAR VIBURNUM TO NEAR BIXBY...MOVING
NORTHEAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. SPOTTERS REPORTED DIME SIZE HAIL IN
         VIBURNUM.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
POTOSI...IRONDALE...MINERAL POINT...COURTOIS...CALEDONIA...BELGRADE AND
CADET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3782 9110 3805 9064 3770 9065 3767 9110
TIME...MOT...LOC 1152Z 242DEG 46KT 3780 9108 3772 9103 3764 9105 

HAIL...1.00IN
WIND...60MPH
 
$$

CVKING

285 
WWUS53 KLSX 101206
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
706 AM CDT TUE MAY 10 2016

MOC093-221-101216-
/O.EXP.KLSX.SV.W.0061.000000T0000Z-160510T1215Z/
IRON MO-WASHINGTON MO-
706 AM CDT TUE MAY 10 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN IRON AND SOUTHERN
WASHINGTON COUNTIES WILL EXPIRE AT 715 AM CDT...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND GUSTY WINDS ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 3782 9110 3805 9064 3770 9065 3767 9110
TIME...MOT...LOC 1205Z 255DEG 40KT 3780 9108 3772 9103 3764 9105 

$$

CVKING

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 9:20 PM CDT	Special Weather Statement	LSX	Madison	40 min
May 10, 7:06 AM CDT	Special Weather Statement	LSX	Iron, Jefferson, Saint Francois	39 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2016 Every severe thunderstorm warning in 2016

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.