Alert archive / Illinois / Tornado Warnings in 2019

Tornado Warning 40, NWS St. Louis, MO

June 21, 2019Adams County, Brown County, Pike County, Illinois; Pike County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 21, 2019, 10:35 AM CDT for Adams County, Brown County, Pike County, Illinois; Pike County, Missouri. It was in force for 55 min. 4 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 21, 2019, 10:35 AM CDT (15:35 UTC)
Expired
Jun 21, 2019, 11:30 AM CDT
In force
55 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Adams County, IL, Brown County, IL, Pike County, IL, Pike County, MO

The radar

The Lincoln radar (KILX), 117 km from the middle of the area, began a volume at 15:38 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

TimeReportWhereRemark
Jun 21, 10:40 AM CDTTSTM WND DMGNew Canton, ILREPORTS OF TREES AND POWER LINES DOWN IN NEW CANTON VIA EM AND 911 CALLS.
Jun 21, 10:59 AM CDTTSTM WND GST 60Pittsfield, ILALSO QUARTER SIZE HAIL.
Jun 21, 10:59 AM CDTHAIL 1Pittsfield, ILALSO 60MPH PLUS WINDS.
Jun 21, 11:32 AM CDTHAIL 0.25Pittsfield, ILPEA SIZED HAIL REPORTED VIA SOCIAL MEDIA.

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.

IssuedProductOfficeLasted
Jun 21, 8:28 AM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 3.6 hours before the alert went out and 178 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 2019-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2019-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1187 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

740 
WFUS53 KLSX 211535
TORLSX
ILC001-009-149-MOC163-211630-
/O.NEW.KLSX.TO.W.0040.190621T1535Z-190621T1630Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1035 AM CDT Fri Jun 21 2019

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Pike County in west central Illinois...
  Southeastern Adams County in west central Illinois...
  Brown County in west central Illinois...
  North central Pike County in northeastern Missouri...

* Until 1130 AM CDT.
    
* At 1035 AM CDT, severe thunderstorms capable of producing a tornado
  were located along a line extending from 6 miles southeast of
  Payson to near Tarrants, moving east at 45 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* These dangerous storms will be near...
  Barry around 1040 AM CDT.
  Beverly around 1045 AM CDT.
  Atlas around 1050 AM CDT.
  Pleasant Hill around 1055 AM CDT.
  Buckhorn around 1100 AM CDT.

Other locations impacted by these tornadic storms include Nebo,
Detroit, Martinsburg, La Grange, Kingston, Time, Chambersburg, New
Hartford, Perry and Kinderhook.

This also includes Siloam Springs State Park.
 
This includes Interstate 72 between exits 20 and 35.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4002 9063 4003 9061 4001 9062 4000 9060
      3998 9060 3999 9051 3997 9051 3995 9053
      3992 9054 3988 9058 3983 9057 3971 9065
      3956 9058 3949 9059 3945 9061 3936 9115
      3983 9120 4004 9066
TIME...MOT...LOC 1535Z 248DEG 41KT 3975 9116 3938 9113 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CVKING
2 follow-up statements
272 
WWUS53 KLSX 211550
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1050 AM CDT Fri Jun 21 2019

MOC163-211600-
/O.CAN.KLSX.TO.W.0040.000000T0000Z-190621T1630Z/
Pike MO-
1050 AM CDT Fri Jun 21 2019

...THE TORNADO WARNING FOR NORTH CENTRAL PIKE COUNTY IN NORTHEASTERN
MISSOURI IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 PM CDT for
southwestern and west central Illinois...and northeastern Missouri.

LAT...LON 4001 9062 4000 9060 3998 9060 3999 9051
      3997 9051 3995 9053 3992 9054 3988 9058
      3983 9057 3971 9065 3956 9058 3949 9059
      3945 9061 3940 9094 3984 9106 4002 9063
      4003 9061
TIME...MOT...LOC 1550Z 246DEG 36KT 3980 9101 3944 9093 

$$

ILC001-009-149-211630-
/O.CON.KLSX.TO.W.0040.000000T0000Z-190621T1630Z/
Pike IL-Adams IL-Brown IL-
1050 AM CDT Fri Jun 21 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT FOR PIKE...
SOUTHEASTERN ADAMS AND SOUTHERN BROWN COUNTIES IN WEST CENTRAL
ILLINOIS...
    
At 1050 AM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from Beverly to near Pleasant
Hill, moving northeast at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

These dangerous storms will be near...
  Buckhorn around 1110 AM CDT.

Other locations impacted by these tornadic storms include Nebo,
Detroit, Martinsburg, Independence, La Grange, Kingston, Time,
Chambersburg, New Hartford and Summer Hill.

This also includes Siloam Springs State Park.
 
This includes Interstate 72 between exits 31 and 35.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4001 9062 4000 9060 3998 9060 3999 9051
      3997 9051 3995 9053 3992 9054 3988 9058
      3983 9057 3971 9065 3956 9058 3949 9059
      3945 9061 3940 9094 3984 9106 4002 9063
      4003 9061
TIME...MOT...LOC 1550Z 246DEG 36KT 3980 9101 3944 9093 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CVKING
256 
WWUS53 KLSX 211607
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1107 AM CDT Fri Jun 21 2019

ILC001-211616-
/O.CAN.KLSX.TO.W.0040.000000T0000Z-190621T1630Z/
Adams IL-
1107 AM CDT Fri Jun 21 2019

...THE TORNADO WARNING FOR SOUTHEASTERN ADAMS COUNTY IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 PM CDT for
southwestern and west central Illinois.

LAT...LON 3999 9051 3997 9051 3995 9053 3992 9054
      3988 9058 3983 9057 3971 9065 3956 9058
      3949 9059 3945 9061 3943 9074 3982 9087
TIME...MOT...LOC 1606Z 248DEG 41KT 3987 9080 3951 9072 

$$

ILC009-149-211630-
/O.CON.KLSX.TO.W.0040.000000T0000Z-190621T1630Z/
Pike IL-Brown IL-
1107 AM CDT Fri Jun 21 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT FOR EASTERN
PIKE AND SOUTHEASTERN BROWN COUNTIES IN WEST CENTRAL ILLINOIS...
    
At 1106 AM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Buckhorn to 8 miles
southeast of Pittsfield, moving east at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

These tornadic storms will remain over mainly rural areas of eastern
Pike and southeastern Brown Counties in west central Illinois,
including the following locations... Pearl, Perry, Detroit,
Montezuma, La Grange, Versailles, Bedford, Time, Chambersburg and
Milton.

This includes Interstate 72 near exit 35.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3999 9051 3997 9051 3995 9053 3992 9054
      3988 9058 3983 9057 3971 9065 3956 9058
      3949 9059 3945 9061 3943 9074 3982 9087
TIME...MOT...LOC 1606Z 248DEG 41KT 3987 9080 3951 9072 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 9:39 AM CDTSevere Thunderstorm WarningLSXAdams, Pike66 min
Jun 21, 10:01 AM CDTTornado WarningLSXAdams, Pike44 min
Jun 21, 10:17 AM CDTTornado WarningLSXPike28 min
Jun 21, 10:27 AM CDTSevere Thunderstorm WarningLSXAdams, Brown, Calhoun, Pike63 min
Jun 21, 10:39 AM CDTSevere Thunderstorm WarningLSXCalhoun51 min
Jun 21, 11:00 AM CDTSevere Thunderstorm WarningLSXGreene, Macoupin60 min
Jun 21, 11:02 AM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey58 min
Jun 21, 11:22 AM CDTTornado WarningLSXGreene, Macoupin38 min
Jun 21, 11:45 AM CDTSevere Thunderstorm WarningLSXJersey, Macoupin, Montgomery60 min
Jun 21, 11:54 AM CDTSevere Thunderstorm WarningLSXBond, Jersey, Madison, Monroe, Saint Clair66 min
Jun 21, 12:29 PM CDTSevere Thunderstorm WarningLSXMontgomery42 min
Jun 21, 3:35 PM CDTHeat AdvisoryLSXMadison, Saint Clair19 hr
Jun 21, 3:37 PM CDTFlash Flood WatchLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 9 more21 hr
Jun 21, 8:51 AM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway, Knox, Lewis, Marion and 2 more54 min
Jun 21, 9:43 AM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway, Cole, Moniteau, Montgomery and 1 more62 min
Jun 21, 3:44 PM CDTRiver Flood WarningLSXMarion4 days
Jun 21, 3:44 PM CDTRiver Flood WarningLSXMarion18 hr
Jun 21, 3:44 PM CDTRiver Flood WarningLSXMonroe4 days

Nearby

Tornado Warnings in Illinois, 2019Tornado Warnings in Missouri, 2019Every tornado warning in 2019Tornadoes in 2019

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.