Alert archive / Illinois / Tornado Warnings in 2017

Tornado Warning 6, NWS Quad Cities, IA

February 28, 2017Bureau County, Putnam County, Illinois

NWS Quad Cities, IA issued this tornado warning at Feb 28, 2017, 9:20 PM CST for Bureau County, Putnam County, Illinois. It was in force for 40 min. 3 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, 9:20 PM CST (03:20 UTC)
Expired
Feb 28, 2017, 10:00 PM CST
In force
40 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bureau County, IL, Putnam County, IL

The radar

The Quad Cities radar (KDVN), 92 km from the middle of the area, began a volume at 03:20 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, 9:25 PM CSTTSTM WND DMG4 Nne Buda, ILSMALL TREE BRANCHES WERE BROKEN OFF ALONG A FARM OUTBUILDING BEING BLOWN OVER. ESTIMATED WIND SPEED AROUND 60 MPH. THE DAMGE WAS FROM 4 MILES NORTH OF BUDA TO 4 MILES NORTH NORTHEAST OF BUDE. OR NORTHWEST OF WYANET.
Feb 28, 9:40 PM CSTHAIL 1.253 Nw Tiskilwa, ILDELAYED REPORT. TIME ESTIMATED BY RADAR.
Feb 28, 9:46 PM CSTTORNADO2 W Cherry, ILAN EF-1 TORNADO TOUCHED DOWN 2 MILES WEST OF CHERRY AND DAMAGED MAINLY TREES ALONG ITS 2.34 MILE LONG PATH. A FARM SHED WAS ALSO COMPLETELY DESTROYED. THE TORNADO LIFTED ON THE WEST SIDE OF CHERRY. THE ESTIMATED PEAK WIND SPEED WAS 94 MPH AND ITS PATH WIDTH WA

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, 2:57 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.3 hours before the alert went out and 86 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, Davenport, at 00:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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, Davenport, at 00:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
23 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

536 
WFUS53 KDVN 010320
TORDVN
ILC011-155-010400-
/O.NEW.KDVN.TO.W.0006.170301T0320Z-170301T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
920 PM CST TUE FEB 28 2017

The National Weather Service in the Quad Cities has issued a

* Tornado Warning for...
  Northeastern Putnam County in north central Illinois...
  Central Bureau County in north central Illinois...

* Until 1000 PM CST

* At 920 PM CST, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located over
  Sheffield, or 12 miles west of Princeton, 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...
  Wyanet around 925 PM CST. 
  Princeton around 940 PM CST. 
  Spring Valley and La Moille around 950 PM CST. 
  Ladd around 955 PM CST. 

Other locations impacted by this tornadic thunderstorm include
Seatonville, Spring Valley Airport, Providence, Cherry, Mark, Dover,
Standard, Coal Hollow, Zearing and Ottville.

This includes the following highways...
 Interstate 80 in Illinois between mile markers 41 and 72.
 Interstate 180 between mile markers 1 and 13.

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 4128 8977 4146 8976 4157 8917 4125 8916
TIME...MOT...LOC 0320Z 254DEG 40KT 4138 8971 

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

$$

RP KINNEY
5 follow-up statements
846 
WWUS53 KDVN 010327
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
927 PM CST TUE FEB 28 2017

ILC155-010337-
/O.CAN.KDVN.TO.W.0006.000000T0000Z-170301T0400Z/
Putnam IL-
927 PM CST TUE FEB 28 2017

...THE TORNADO WARNING FOR NORTHEASTERN PUTNAM 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 north central
Illinois.

LAT...LON 4136 8966 4147 8965 4157 8917 4132 8917
TIME...MOT...LOC 0327Z 254DEG 47KT 4142 8958 

$$

ILC011-010400-
/O.CON.KDVN.TO.W.0006.000000T0000Z-170301T0400Z/
Bureau IL-
927 PM CST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CST FOR
NORTHEASTERN BUREAU COUNTY...

At 927 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Wyanet, or near Princeton, moving east at 55 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...
  Princeton around 935 PM CST. 
  Ladd and La Moille around 945 PM CST. 

Other locations impacted by this tornadic thunderstorm include
Zearing, Seatonville, Ottville, Kasbeer, Spring Valley Airport,
Cherry, Dover, Coal Hollow, Malden and Hollowayville.

This includes the following highways...
 Interstate 80 in Illinois between mile markers 47 and 72.
 Interstate 180 between mile markers 9 and 13.

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 4136 8966 4147 8965 4157 8917 4132 8917
TIME...MOT...LOC 0327Z 254DEG 47KT 4142 8958 

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

$$

RP KINNEY
887 
WWUS53 KDVN 010335
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
935 PM CST TUE FEB 28 2017

ILC011-010400-
/O.CON.KDVN.TO.W.0006.000000T0000Z-170301T0400Z/
Bureau IL-
935 PM CST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CST FOR
NORTHEASTERN BUREAU COUNTY...

At 935 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Princeton, 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...
  La Moille around 950 PM CST. 

Other locations impacted by this tornadic thunderstorm include
Zearing, Seatonville, Ottville, Kasbeer, Spring Valley Airport,
Cherry, Dover, Coal Hollow, Malden and Hollowayville.

This includes the following highways...
 Interstate 80 in Illinois between mile markers 57 and 72.
 Interstate 180 between mile markers 9 and 13.

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 4134 8945 4150 8951 4157 8917 4132 8917
TIME...MOT...LOC 0335Z 252DEG 41KT 4147 8944 

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

$$

RP KINNEY
993 
WWUS53 KDVN 010343
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
943 PM CST TUE FEB 28 2017

ILC011-010400-
/O.CON.KDVN.TO.W.0006.000000T0000Z-170301T0400Z/
Bureau IL-
943 PM CST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CST FOR
NORTHEASTERN BUREAU COUNTY...

At 943 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Ladd, or 9 miles southwest of Mendota, moving east at 55 mph.

HAZARD...Tornado and quarter size hail. 

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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Bureau County, including the following locations:
Zearing, Seatonville, Ottville, Spring Valley Airport, Cherry,
Malden, Hollowayville and Arlington.

This includes Interstate 80 in Illinois between mile markers 63 and
72.
 
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 4133 8933 4152 8942 4157 8917 4132 8917
TIME...MOT...LOC 0343Z 256DEG 46KT 4145 8924 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RP KINNEY
012 
WWUS53 KDVN 010349
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
949 PM CST TUE FEB 28 2017

ILC011-010400-
/O.CON.KDVN.TO.W.0006.000000T0000Z-170301T0400Z/
Bureau IL-
949 PM CST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CST FOR
NORTHEASTERN BUREAU COUNTY...

At 949 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Ladd, or near Peru, moving east at 60 mph.

HAZARD...Tornado and quarter size hail. 

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. 

Locations impacted include...
Ladd, La Moille, Cherry and Arlington. 

This includes Interstate 80 in Illinois near mile marker 72.
 
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 4138 8927 4154 8931 4157 8917 4136 8917
TIME...MOT...LOC 0349Z 260DEG 53KT 4144 8915 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RP KINNEY
792 
WWUS53 KDVN 010354
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
954 PM CST TUE FEB 28 2017

ILC011-010404-
/O.EXP.KDVN.TO.W.0006.000000T0000Z-170301T0400Z/
Bureau IL-
954 PM CST TUE FEB 28 2017

...THE TORNADO WARNING FOR NORTHEASTERN BUREAU COUNTY WILL EXPIRE AT
1000 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 north central
Illinois.

LAT...LON 4138 8927 4154 8931 4157 8917 4136 8917
TIME...MOT...LOC 0354Z 254DEG 40KT 4145 8909 

$$

RP KINNEY

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 6:01 PM CSTSevere Thunderstorm WarningDVNBureau, Putnam29 min
Feb 28, 8:18 PM CSTSevere Thunderstorm WarningDVNBureau, Henry28 min
Feb 28, 8:18 PM CSTSevere Thunderstorm WarningDVNBureau27 min
Feb 28, 8:22 PM CSTSevere Thunderstorm WarningDVNMercer, Rock Island23 min
Feb 28, 8:32 PM CSTSevere Thunderstorm WarningDVNHenry, Mercer, Rock Island30 min
Feb 28, 9:00 PM CSTSpecial Weather StatementDVNBureau, Henry, Putnam45 min
Feb 28, 9:19 PM CSTSevere Thunderstorm WarningDVNBureau, Putnam41 min
Feb 28, 9:34 PM CSTRiver Flood WarningDVNHancock61 hr

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.