Alert archive / Illinois / Tornado Warnings in 2017

Tornado Warning 5, NWS Paducah, KY

February 28, 2017Jackson County, Perry County, Illinois

NWS Paducah, KY issued this tornado warning at Feb 28, 2017, 8:21 PM CST for Jackson County, Perry County, Illinois. It was in force for 27 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
Feb 28, 2017, 8:21 PM CST (02:21 UTC)
Expired
Feb 28, 2017, 8:48 PM CST
In force
27 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Observed
Damage threat
Considerable
Hail
2.0 in

Counties Jackson County, IL, Perry County, IL

The radar

The Paducah radar (KPAH), 112 km from the middle of the area, began a volume at 02:24 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
Feb 28, 8:30 PM CSTTORNADOAva, ILTORNADO ON THE GROUND. REPORTED BY OFF-DUTY STATE TROOPER.
Feb 28, 8:30 PM CSTTORNADOAva, ILTORNADO ON THE GROUND. REPORTED BY OFF-DUTY STATE TROOPER. WIDESPREAD HOME AND TREE DAMAGE THROUGHOUT THE COMMUNITY.
Feb 28, 8:42 PM CSTTORNADO4 S Vergennes, ILLAREGE TORNADO ON THE GROUND CROSSING STATE ROUTE 4.
Feb 28, 8:42 PM CSTTORNADO4 S Vergennes, ILLAREGE TORNADO ON THE GROUND CROSSING STATE ROUTE 4. WIDESPREAD HOME AND TREE DAMAGE REPORTED BY LAW ENFORCEMENT.

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
Feb 28, 2:19 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.4 hours before the alert went out and 259 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.

652 
WFUS53 KPAH 010221
TORPAH
ILC077-145-010300-
/O.NEW.KPAH.TO.W.0005.170301T0221Z-170301T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Paducah KY
821 PM CST TUE FEB 28 2017

The National Weather Service in Paducah has issued a

* Tornado Warning for...
  South central Perry County in south central Illinois...
  Northern Jackson County in southern Illinois...

* Until 900 PM CST

* At 820 PM CST, a confirmed large and extremely dangerous tornado 
  was located near Rockwood, or 10 miles southeast of Chester, 
  moving east at 45 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! 

  HAZARD...Damaging tornado. 

  SOURCE...Weather spotters confirmed tornado. This tornadic storm 
           has produced significant damage, including flipping cars 
           over on Interstate 55. If you live in the Ava and 
           Campbell Hill area, you need to be under ground now.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible. 

* The tornado will be near...
  Ava around 835 PM CST. 

Other locations impacted by this tornadic thunderstorm include
Campbell Hill and Vergennes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3801 8933 3783 8926 3777 8955 3794 8961
      3795 8960
TIME...MOT...LOC 0220Z 248DEG 31KT 3784 8965 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.00IN

$$

CN
3 follow-up statements
032 
WWUS53 KPAH 010230
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
830 PM CST TUE FEB 28 2017

ILC077-145-010300-
/O.CON.KPAH.TO.W.0005.000000T0000Z-170301T0300Z/
Perry IL-Jackson IL-
830 PM CST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTH
CENTRAL PERRY AND NORTHERN JACKSON COUNTIES...
    
At 829 PM CST, a large and extremely dangerous tornado was indicated 
near Ava, or 12 miles northwest of Murphysboro, moving east 
northeast at 45 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar indicated rotation. If you live near Vergennes, you 
         need to be under ground or in your designated storm shelter.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

Locations impacted include...
Ava, Campbell Hill and Vergennes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3801 8933 3783 8926 3777 8955 3794 8961
      3795 8960
TIME...MOT...LOC 0229Z 249DEG 38KT 3788 8951 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.00IN

$$

CN
000 
WWUS53 KPAH 010241
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
841 PM CST TUE FEB 28 2017

ILC077-145-010300-
/O.CON.KPAH.TO.W.0005.000000T0000Z-170301T0300Z/
Perry IL-Jackson IL-
841 PM CST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTH
CENTRAL PERRY AND NORTHEASTERN JACKSON COUNTIES...
    
At 840 PM CST, a confirmed large and extremely dangerous tornado was 
located near Vergennes, or 8 miles southwest of Du Quoin, moving 
east at 45 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Law enforcement confirmed tornado. The tornado was observed 
         a short time ago passing through the Ava area.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

Locations impacted include...
Vergennes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3801 8933 3785 8927 3783 8941 3789 8945
      3798 8946
TIME...MOT...LOC 0240Z 252DEG 38KT 3791 8935 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.00IN

$$

CN
852 
WWUS53 KPAH 010248
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
848 PM CST TUE FEB 28 2017

ILC077-145-010258-
/O.CAN.KPAH.TO.W.0005.000000T0000Z-170301T0300Z/
Perry IL-Jackson IL-
848 PM CST TUE FEB 28 2017

...THE TORNADO WARNING FOR SOUTH CENTRAL PERRY AND NORTHEASTERN
JACKSON COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 400 AM CST for southern and
south central Illinois.

LAT...LON 3801 8933 3785 8927 3783 8941 3789 8945
      3798 8946
TIME...MOT...LOC 0246Z 248DEG 31KT 3794 8927 

$$

CN

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 7:06 PM CSTSevere Thunderstorm WarningPAHJefferson24 min
Feb 28, 7:54 PM CSTSevere Thunderstorm WarningPAHWayne36 min
Feb 28, 8:07 PM CSTTornado Warning Tornado observedPAHJackson23 min
Feb 28, 8:39 PM CSTTornado Warning Tornado observedConsiderable damage threatPAHFranklin, Jackson, Perry36 min
Feb 28, 8:59 PM CSTTornado Warning Considerable damage threatPAHFranklin, Hamilton, Jefferson46 min
Feb 28, 9:24 PM CSTTornado WarningPAHEdwards, Hamilton, Wayne, White36 min
Feb 28, 9:52 PM CSTTornado WarningPAHEdwards, Wabash, Wayne, White23 min
Feb 28, 9:58 PM CSTSevere Thunderstorm WarningPAHJackson, Union32 min
Feb 28, 10:11 PM CSTTornado Warning Tornado observedConsiderable damage threatPAHEdwards, Wabash, White34 min
Feb 28, 10:30 PM CSTTornado Warning Tornado observedPAHJackson30 min
Feb 28, 10:34 PM CSTSevere Thunderstorm WarningPAHFranklin, Jackson, Williamson26 min
Feb 28, 10:43 PM CSTTornado WarningPAHFranklin, Williamson32 min
Feb 28, 10:54 PM CSTSevere Thunderstorm WarningPAHFranklin, Hamilton, Saline, Williamson36 min
Feb 28, 11:21 PM CSTTornado WarningPAHGallatin, Hamilton, Saline, White24 min
Mar 1, 2:54 AM CSTSevere Thunderstorm WarningPAHJackson, Perry36 min
Mar 1, 3:03 AM CSTSpecial Weather StatementPAHEdwards, Wabash, Wayne42 min
Mar 1, 4:06 AM CSTTornado WarningPAHJackson24 min
Mar 1, 4:21 AM CSTSevere Thunderstorm WarningPAHJohnson, Union24 min
Mar 1, 4:33 AM CSTSevere Thunderstorm WarningPAHSaline, Williamson27 min
Mar 1, 4:39 AM CSTSevere Thunderstorm WarningPAHSaline, Williamson36 min
Mar 1, 4:44 AM CSTSevere Thunderstorm WarningPAHPope46 min
Mar 1, 4:50 AM CSTSevere Thunderstorm WarningPAHAlexander, Pulaski25 min
Mar 1, 5:06 AM CSTSevere Thunderstorm WarningPAHMassac, Pope24 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.