Alert archive / Illinois / Tornado Warnings in 2017

Tornado Warning 19, NWS Quad Cities, IA

March 7, 2017Bureau County, Putnam County, Illinois

NWS Quad Cities, IA issued this tornado warning at Mar 7, 2017, 12:08 AM CST for Bureau County, Putnam County, Illinois. It was in force for 17 min. 1 report 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: Mar 7, 2017, 12:08 AM CST (06:08 UTC)
Expired: Mar 7, 2017, 12:25 AM CST
In force: 17 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), 109 km from the middle of the area, began a volume at 06:07 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

Time	Report	Where	Remark
Mar 7, 12:14 AM CST	TORNADO	N Ladd, IL

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.

Issued	Product	Office	Lasted
Mar 6, 8:52 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 6.1 hours before the alert went out and 103 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 39 J/kg
Mixed-layer CIN: -343 J/kg
Mixed-layer LCL: 1016 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 407 m²/s²
0-3 km storm-relative helicity: 489 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

608 
WFUS53 KDVN 070608
TORDVN
ILC011-155-070645-
/O.NEW.KDVN.TO.W.0019.170307T0608Z-170307T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
1208 AM CST TUE MAR 7 2017

The National Weather Service in the Quad Cities has issued a

* Tornado Warning for...
  Northern Putnam County in north central Illinois...
  Southeastern Bureau County in north central Illinois...

* Until 1245 AM CST
    
* At 1207 AM CST, a severe thunderstorm capable of producing a
  tornado was located over DePue, or near Hennepin, moving east at 65
  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...
  Dalzell around 1215 AM CST. 

Other locations impacted by this tornadic thunderstorm include
Seatonville, Ottville, Spring Valley Airport, Cherry, Mark, Standard,
Coal Hollow, Hollowayville, Bureau  County Fairgrounds and Florid.

This includes the following highways...
 Interstate 80 in Illinois between mile markers 60 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 4120 8944 4137 8950 4148 8917 4126 8916
TIME...MOT...LOC 0607Z 249DEG 55KT 4133 8933 

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

$$

UTTECH

3 follow-up statements

146 
WWUS53 KDVN 070611
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
1211 AM CST TUE MAR 7 2017

ILC011-155-070645-
/O.CON.KDVN.TO.W.0019.000000T0000Z-170307T0645Z/
Putnam IL-Bureau IL-
1211 AM CST TUE MAR 7 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM CST FOR
NORTHEASTERN PUTNAM AND EAST CENTRAL BUREAU COUNTIES...
    
At 1211 AM CST, a severe thunderstorm capable of producing a tornado
was located over Ladd, or 7 miles west of Peru, moving northeast at
65 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Putnam and east central Bureau Counties, including the
following locations: Seatonville, Ottville, Spring Valley Airport,
Coal Hollow, Cherry and Hollowayville.

This includes Interstate 80 in Illinois between mile markers 64 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 4129 8934 4138 8938 4148 8917 4130 8916
TIME...MOT...LOC 0611Z 241DEG 58KT 4138 8927 

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

$$

RP Kinney

939 
WWUS53 KDVN 070616
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
1216 AM CST TUE MAR 7 2017

ILC011-155-070645-
/O.CON.KDVN.TO.W.0019.000000T0000Z-170307T0645Z/
Putnam IL-Bureau IL-
1216 AM CST TUE MAR 7 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM CST FOR
NORTHEASTERN PUTNAM AND EAST CENTRAL BUREAU COUNTIES...
    
At 1215 AM CST, a confirmed tornado was located just north of Ladd, 
or near Peru, moving northeast at 65 mph.

HAZARD...Damaging tornado. 

SOURCE...Weather spotters confirmed tornado. 

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 Putnam and east central Bureau Counties, including the
following locations: Seatonville, Ottville, Spring Valley Airport,
Cherry and Hollowayville.

This includes Interstate 80 in Illinois between mile markers 65 and
72.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4129 8929 4141 8931 4148 8917 4130 8916
TIME...MOT...LOC 0615Z 241DEG 59KT 4141 8917 

TORNADO...OBSERVED
HAIL...<.75IN

$$

UTTECH

488 
WWUS53 KDVN 070625
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
1225 AM CST TUE MAR 7 2017

ILC011-155-070635-
/O.CAN.KDVN.TO.W.0019.000000T0000Z-170307T0645Z/
Putnam IL-Bureau IL-
1225 AM CST TUE MAR 7 2017

...THE TORNADO WARNING FOR NORTHEASTERN PUTNAM AND EAST CENTRAL
BUREAU COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A tornado watch remains in effect until 400 AM CST for north central
Illinois.

LAT...LON 4129 8929 4141 8931 4148 8917 4130 8916
TIME...MOT...LOC 0619Z 249DEG 55KT 4146 8898 

$$

RP Kinney

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 9:52 PM CST	Severe Thunderstorm Warning	DVN	Mercer, Rock Island	83 min
Mar 6, 9:56 PM CST	Severe Thunderstorm Warning	DVN	Jo Daviess	64 min
Mar 6, 10:10 PM CST	Tornado Warning	DVN	Rock Island	24 min
Mar 6, 10:13 PM CST	Severe Thunderstorm Warning	DVN	Hancock, Henderson, McDonough, Warren	77 min
Mar 6, 10:26 PM CST	Severe Thunderstorm Warning	DVN	Bureau, Henry, Rock Island, Whiteside	49 min
Mar 6, 10:39 PM CST	Severe Thunderstorm Warning	DVN	Carroll, Stephenson, Whiteside	67 min
Mar 6, 10:44 PM CST	Tornado Warning	DVN	Hancock, Henderson, McDonough, Warren	31 min
Mar 6, 10:46 PM CST	Tornado Warning	DVN	Carroll	20 min
Mar 6, 10:56 PM CST	Tornado Warning	DVN	Carroll, Whiteside	27 min
Mar 6, 10:58 PM CST	Tornado Warning	DVN	Henry, Mercer	32 min
Mar 6, 11:13 PM CST	Severe Thunderstorm Warning	DVN	Bureau, Henry, Putnam, Whiteside	77 min
Mar 7, 3:32 AM CST	Red Flag Warning	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	14 hr
Mar 7, 3:37 AM CST	Wind Advisory	DVN	Carroll, Jo Daviess, Stephenson	12 hr

Nearby

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