Alert archive / Illinois / Tornado Warnings in 2017

Tornado Warning 5, NWS Lincoln, IL

February 28, 2017Crawford County, Lawrence County, Richland County, Illinois

NWS Lincoln, IL issued this tornado warning at Feb 28, 2017, 9:04 PM CST for Crawford County, Lawrence County, Richland County, Illinois. It was in force for 41 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
Feb 28, 2017, 9:04 PM CST (03:04 UTC)
Expired
Feb 28, 2017, 9:45 PM CST
In force
41 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Crawford County, IL, Lawrence County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 63 km from the middle of the area, began a volume at 03:03 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 28, 2:57 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.1 hours before the alert went out and 173 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 00:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 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 00:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 395 square meters per square second.1939587897117136Sfc1 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
687 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
887 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
395 m²/s²
0-3 km storm-relative helicity
431 m²/s²
Significant tornado parameter
1.6
Supercell composite
6.7

Open this sounding in Storm Lab

The text

As transmitted.

610 
WFUS53 KILX 010304
TORILX
ILC033-101-159-010345-
/O.NEW.KILX.TO.W.0005.170301T0304Z-170301T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
904 PM CST TUE FEB 28 2017

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Southeastern Crawford County in east central Illinois...
  East central Richland County in southeastern Illinois...
  Northern Lawrence County in southeastern Illinois...

* Until 945 PM CST
    
* At 904 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Sumner, or 10 miles east of Olney, 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. 

* This dangerous storm will be near...
  Lawrenceville around 920 PM CST. 
  Birds around 925 PM CST. 
  Russellville around 1035 PM EST. 

Other locations impacted by this tornadic thunderstorm include
Petrolia, Pinkstaff, Lawrenceville Airport and Red Hills State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3871 8752 3871 8795 3879 8796 3893 8752
      3891 8753 3890 8751 3889 8754 3888 8753
      3886 8755 3885 8753 3882 8753 3878 8749
      3877 8751 3876 8750 3874 8750
TIME...MOT...LOC 0304Z 252DEG 38KT 3876 8790 

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

$$

Shimon
2 follow-up statements
527 
WWUS53 KILX 010312
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
912 PM CST TUE FEB 28 2017

ILC159-010322-
/O.CAN.KILX.TO.W.0005.000000T0000Z-170301T0345Z/
Richland-
912 PM CST TUE FEB 28 2017

...THE TORNADO WARNING FOR EAST CENTRAL RICHLAND COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1000 PM CST for southeastern
and east central Illinois.

LAT...LON 3877 8751 3874 8750 3871 8752 3871 8791
      3880 8791 3893 8752 3891 8753 3890 8752
      3889 8754 3888 8753 3886 8755 3885 8753
      3882 8753 3878 8749
TIME...MOT...LOC 0312Z 249DEG 39KT 3879 8780 

$$

ILC033-101-010345-
/O.CON.KILX.TO.W.0005.000000T0000Z-170301T0345Z/
Crawford-Lawrence-
912 PM CST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CST FOR
SOUTHEASTERN CRAWFORD AND NORTHERN LAWRENCE COUNTIES...
    
At 912 PM CST, a severe thunderstorm capable of producing a tornado
was located near Chauncey, or 7 miles northwest of Lawrenceville,
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. 

This dangerous storm will be near...
  Birds around 925 PM CST. 
  Russellville around 1035 PM EST. 

Other locations impacted by this tornadic thunderstorm include
Petrolia, Pinkstaff, Lawrenceville Airport and Red Hills State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3877 8751 3874 8750 3871 8752 3871 8791
      3880 8791 3893 8752 3891 8753 3890 8752
      3889 8754 3888 8753 3886 8755 3885 8753
      3882 8753 3878 8749
TIME...MOT...LOC 0312Z 249DEG 39KT 3879 8780 

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

$$

Shimon
343 
WWUS53 KILX 010341
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
941 PM CST TUE FEB 28 2017

ILC033-101-010351-
/O.EXP.KILX.TO.W.0005.000000T0000Z-170301T0345Z/
Crawford-Lawrence-
941 PM CST TUE FEB 28 2017

...THE TORNADO WARNING FOR SOUTHEASTERN CRAWFORD AND NORTHERN
LAWRENCE COUNTIES WILL EXPIRE AT 945 PM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 1000 PM CST for southeastern
and east central Illinois.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.

LAT...LON 3877 8751 3874 8750 3871 8752 3871 8791
      3880 8791 3893 8752 3891 8753 3890 8752
      3889 8754 3888 8753 3886 8755 3885 8753
      3882 8753 3878 8749
TIME...MOT...LOC 0341Z 252DEG 38KT 3888 8744 

$$

Shimon

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 6:27 PM CSTSevere Thunderstorm WarningILXShelby28 min
Feb 28, 6:54 PM CSTSevere Thunderstorm WarningILXColes, Douglas, Moultrie10 min
Feb 28, 7:38 PM CSTSevere Thunderstorm WarningILXClay, Jasper, Richland67 min
Feb 28, 8:00 PM CSTSpecial Weather StatementILXMarshall30 min
Feb 28, 8:34 PM CSTTornado WarningILXClay, Richland41 min
Feb 28, 9:29 PM CSTTornado WarningILXCass, Schuyler23 min
Feb 28, 9:50 PM CSTSpecial Weather StatementILXMarshall, Peoria, Tazewell, Woodford40 min
Feb 28, 10:32 PM CSTSpecial Weather StatementILXMcLean28 min
Feb 28, 10:44 PM CSTSevere Thunderstorm WarningILXMcLean46 min
Feb 28, 11:33 PM CSTSpecial Weather StatementILXDeWitt, Piatt57 min
Mar 1, 12:21 AM CSTSpecial Weather StatementILXChampaign, Vermilion54 min
Mar 1, 12:55 AM CSTSpecial Weather StatementILXColes, Douglas, Edgar, Moultrie65 min
Mar 1, 2:27 AM CSTSpecial Weather StatementILXEffingham, Jasper48 min

Nearby

Tornado Warnings in Illinois, 2017Every tornado warning in 2017Tornadoes in 2017

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.