Alert archive / Illinois / Tornado Warnings in 2020

Tornado Warning 3, NWS Quad Cities, IA

March 28, 2020Bureau County, Henry County, Illinois

NWS Quad Cities, IA issued this tornado warning at Mar 28, 2020, 5:52 PM CDT for Bureau County, Henry County, Illinois. It was in force for 38 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
Mar 28, 2020, 5:52 PM CDT (22:52 UTC)
Expired
Mar 28, 2020, 6:30 PM CDT
In force
38 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bureau County, IL, Henry County, IL

The radar

The Quad Cities radar (KDVN), 76 km from the middle of the area, began a volume at 22:56 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
Mar 28, 2:45 PM CDTTornado Watch PDSSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.9 hours before the alert went out and 69 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 12:00Z on 2020-03-28Temperature 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, Davenport, at 12:00Z on 2020-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -128 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
-128 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

888 
WFUS53 KDVN 282252
TORDVN
ILC011-073-282330-
/O.NEW.KDVN.TO.W.0003.200328T2252Z-200328T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
552 PM CDT Sat Mar 28 2020

The National Weather Service in the Quad Cities has issued a

* Tornado Warning for...
  East central Henry County in northwestern Illinois...
  Northwestern Bureau County in north central Illinois...

* Until 630 PM CDT.
    
* At 551 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Annawan, or 7 miles north of Kewanee, moving
  northeast at 50 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...
  Sheffield and Annawan around 600 PM CDT.
  Walnut around 620 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Mineral, Thomas, Manlius, German Corner, Normandy, Johnson-Sauk Trail
State Park and New Bedford.

This includes Interstate 80 in Illinois between mile markers 30 and
51.
 
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 4144 8941 4125 9000 4132 9007 4159 8976
      4158 8957
TIME...MOT...LOC 2251Z 219DEG 42KT 4134 8995 

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

$$

Gibbs
4 follow-up statements
975 
WWUS53 KDVN 282300
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
600 PM CDT Sat Mar 28 2020

ILC011-073-282330-
/O.CON.KDVN.TO.W.0003.000000T0000Z-200328T2330Z/
Henry IL-Bureau IL-
600 PM CDT Sat Mar 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR EAST
CENTRAL HENRY AND NORTHWESTERN BUREAU COUNTIES...
    
At 559 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Annawan, or 9 miles north of Kewanee, 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.

This dangerous storm will be near...
  Sheffield around 605 PM CDT.
  Walnut around 630 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Mineral, Thomas, Manlius, German Corner, Normandy, Johnson-Sauk Trail
State Park and New Bedford.

This includes Interstate 80 in Illinois between mile markers 30 and
51.
 
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 4144 8941 4125 9000 4132 9007 4159 8976
      4158 8957
TIME...MOT...LOC 2259Z 226DEG 36KT 4138 8989 

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

$$

Gibbs
177 
WWUS53 KDVN 282305
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
605 PM CDT Sat Mar 28 2020

ILC011-073-282330-
/O.CON.KDVN.TO.W.0003.000000T0000Z-200328T2330Z/
Henry IL-Bureau IL-
605 PM CDT Sat Mar 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHEASTERN HENRY AND NORTHWESTERN BUREAU COUNTIES...
    
At 605 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Annawan, or 13 miles north of Kewanee, 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.

This dangerous storm will be near...
  Walnut around 630 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Mineral, Thomas, Normandy, Manlius and New Bedford.

This includes Interstate 80 in Illinois between mile markers 31 and
42.
 
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 4144 8941 4136 8988 4142 8996 4159 8976
      4158 8957
TIME...MOT...LOC 2305Z 226DEG 36KT 4142 8983 

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

$$

Gibbs
229 
WWUS53 KDVN 282312
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
612 PM CDT Sat Mar 28 2020

ILC011-073-282330-
/O.CON.KDVN.TO.W.0003.000000T0000Z-200328T2330Z/
Henry IL-Bureau IL-
612 PM CDT Sat Mar 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR EAST
CENTRAL HENRY AND NORTHWESTERN BUREAU COUNTIES...
    
At 612 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Hooppole, or 16 miles northwest of
Princeton, moving northeast at 50 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...
  Walnut around 625 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Thomas, New Bedford and Normandy.

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 4154 8952 4140 8987 4145 8993 4159 8976
      4158 8957
TIME...MOT...LOC 2312Z 219DEG 42KT 4149 8976 

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

$$

Gibbs
932 
WWUS53 KDVN 282321
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
621 PM CDT Sat Mar 28 2020

ILC011-073-282330-
/O.EXP.KDVN.TO.W.0003.000000T0000Z-200328T2330Z/
Henry IL-Bureau IL-
621 PM CDT Sat Mar 28 2020

...THE TORNADO WARNING FOR EAST CENTRAL HENRY AND NORTHWESTERN BUREAU
COUNTIES WILL EXPIRE AT 630 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM CDT for north central
and northwestern Illinois.

LAT...LON 4154 8952 4140 8987 4145 8993 4159 8976
      4158 8957
TIME...MOT...LOC 2320Z 219DEG 42KT 4157 8968 

$$

Gibbs

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 9:13 PM CDTRiver Flood WatchDVNJo Daviess61 hr
Mar 27, 11:32 PM CDTSpecial Weather StatementDVNRock Island, Whiteside58 min
Mar 27, 11:51 PM CDTFlash Flood WarningDVNHenry, Mercer, Rock Island, Whiteside4 hr
Mar 28, 3:21 AM CDTSpecial Weather StatementDVNCarroll24 min
Mar 28, 4:49 AM CDTSpecial Weather StatementDVNMercer26 min
Mar 28, 5:15 AM CDTSpecial Weather StatementDVNRock Island30 min
Mar 28, 10:39 AM CDTRiver Flood WatchDVNWhiteside24 hr
Mar 28, 10:52 AM CDTRiver Flood WarningDVNJo Daviess22 days
Mar 28, 10:52 AM CDTRiver Flood WarningDVNRock Island, Whiteside24 days
Mar 28, 10:52 AM CDTRiver Flood WarningDVNHancock21 days
Mar 28, 11:25 AM CDTRiver Flood WatchDVNCarroll, Whiteside21 days
Mar 28, 11:25 AM CDTRiver Flood WatchDVNRock Island10 hr
Mar 28, 3:42 PM CDTSpecial Weather StatementDVNRock Island33 min
Mar 28, 4:15 PM CDTSpecial Weather StatementDVNCarroll, Stephenson30 min
Mar 28, 4:48 PM CDTTornado WarningDVNWarren42 min
Mar 28, 5:29 PM CDTSevere Thunderstorm WarningDVNHenry31 min
Mar 28, 6:33 PM CDTTornado WarningDVNHenderson, Warren42 min

Nearby

Tornado Warnings in Illinois, 2020Every tornado warning in 2020Tornadoes in 2020

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.