Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 153, NWS St. Louis, MO

July 18, 2016Lincoln County, Saint Charles County, Missouri; Calhoun County, Jersey County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jul 18, 2016, 11:15 AM CDT for Lincoln County, Saint Charles County, Missouri; Calhoun County, Jersey County, Illinois. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 18, 2016, 11:15 AM CDT (16:15 UTC)
Expired
Jul 18, 2016, 12:00 PM CDT
In force
45 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Calhoun County, IL, Jersey County, IL, Lincoln County, MO, Saint Charles County, MO

The radar

The St Louis radar (KLSX), 27 km from the middle of the area, began a volume at 16:17 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 4.3 hours before the alert went out and 215 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 12:00Z on 2016-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2983 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2016-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 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
2983 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
1.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

655 
WUUS53 KLSX 181615
SVRLSX
ILC013-083-MOC113-183-181700-
/O.NEW.KLSX.SV.W.0153.160718T1615Z-160718T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1115 AM CDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN JERSEY COUNTY IN SOUTHWESTERN ILLINOIS...
  SOUTHEASTERN CALHOUN COUNTY IN SOUTHWESTERN ILLINOIS...
  NORTH CENTRAL ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL NOON CDT

* AT 1115 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WINFIELD...
  MOVING SOUTHEAST AT 15 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...
  ST. CHARLES...ST. PETERS...BRIDGETON...WINFIELD...GRAFTON...
  ELSAH...PORTAGE DES SIOUX...ORCHARD FARMS...OLD MONROE...
  BATCHTOWN...FOLEY...BRUSSELS...MEPPEN...DEER PLAIN...BEECHVILLE...
  GOLDEN EAGLE AND KAMPVILLE.

THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 224 AND 229.
 
THIS ALSO INCLUDES  FIRST MISSOURI STATE CAPITOL HISTORIC SITE AND
PERE MARQUETTE STATE PARK.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3896 9031 3882 9045 3879 9047 3874 9052
      3896 9082 3911 9070
TIME...MOT...LOC 1615Z 304DEG 14KT 3901 9070 

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

BYRD
2 follow-up statements
645 
WWUS53 KLSX 181637
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1137 AM CDT MON JUL 18 2016

MOC113-181646-
/O.CAN.KLSX.SV.W.0153.000000T0000Z-160718T1700Z/
LINCOLN MO-
1137 AM CDT MON JUL 18 2016

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

LAT...LON 3896 9031 3882 9045 3879 9047 3874 9052
      3892 9071 3892 9069 3893 9070 3894 9069
      3894 9066 3896 9067 3905 9058
TIME...MOT...LOC 1636Z 304DEG 14KT 3896 9061 

$$

ILC013-083-MOC183-181700-
/O.CON.KLSX.SV.W.0153.000000T0000Z-160718T1700Z/
JERSEY IL-CALHOUN IL-ST. CHARLES MO-
1137 AM CDT MON JUL 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
SOUTHWESTERN JERSEY...SOUTHEASTERN CALHOUN AND NORTH CENTRAL ST.
CHARLES COUNTIES...

AT 1136 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES EAST OF
WINFIELD...MOVING SOUTHEAST AT 15 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...
ST. CHARLES...ST. PETERS...BRIDGETON...GRAFTON...ELSAH...
PORTAGE DES SIOUX...ORCHARD FARMS...BRUSSELS...MEPPEN...DEER PLAIN...
BEECHVILLE...GOLDEN EAGLE AND KAMPVILLE.

THIS ALSO INCLUDES  FIRST MISSOURI STATE CAPITOL HISTORIC SITE AND
PERE MARQUETTE STATE PARK.
 
THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 225 AND 229.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3896 9031 3882 9045 3879 9047 3874 9052
      3892 9071 3892 9069 3893 9070 3894 9069
      3894 9066 3896 9067 3905 9058
TIME...MOT...LOC 1636Z 304DEG 14KT 3896 9061 

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

BYRD
715 
WWUS53 KLSX 181700
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1200 PM CDT MON JUL 18 2016

ILC013-083-MOC183-181709-
/O.EXP.KLSX.SV.W.0153.000000T0000Z-160718T1700Z/
JERSEY IL-CALHOUN IL-ST. CHARLES MO-
1200 PM CDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN JERSEY...
SOUTHEASTERN CALHOUN AND NORTH CENTRAL ST. CHARLES COUNTIES WILL
EXPIRE AT NOON CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
TO 50 MPH ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3896 9031 3882 9045 3879 9047 3874 9052
      3892 9071 3892 9069 3893 9070 3894 9069
      3894 9066 3896 9067 3905 9058
TIME...MOT...LOC 1656Z 304DEG 14KT 3896 9061 

$$

BYRD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 3:54 AM CDTHeat AdvisoryLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more48 hr
Jul 18, 4:04 PM CDTExcessive Heat WarningLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more6 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2016Severe Thunderstorm Warnings in Illinois, 2016Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.