Alert archive / Illinois / Tornado Warnings in 2020

Tornado Warning 2, NWS Quad Cities, IA

March 28, 2020Warren County, Illinois

NWS Quad Cities, IA issued this tornado warning at Mar 28, 2020, 4:48 PM CDT for Warren County, Illinois. It was in force for 42 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, 4:48 PM CDT (21:48 UTC)
Expired: Mar 28, 2020, 5:30 PM CDT
In force: 42 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Warren County, IL

The radar

The Quad Cities radar (KDVN), 89 km from the middle of the area, began a volume at 21:51 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.

Issued	Product	Office	Lasted
Mar 28, 2:45 PM CDT	Tornado Watch PDS	SPC	6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.8 hours before the alert went out and 91 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: 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.

549 
WFUS53 KDVN 282148
TORDVN
ILC187-282230-
/O.NEW.KDVN.TO.W.0002.200328T2148Z-200328T2230Z/

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

The National Weather Service in the Quad Cities has issued a

* Tornado Warning for...
  Central Warren County in west central Illinois...

* Until 530 PM CDT.
    
* At 448 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Roseville, or 14 miles south of Monmouth, moving
  northeast at 35 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...
  Monmouth around 515 PM CDT.
  Lake Warren around 520 PM CDT.

Other locations impacted by this tornadic thunderstorm include Warren
County Fairgrounds, Ormonde, Gerlaw, Ponemah, Larchland, Monmouth
Municipal Airport, Berwick, Coldbrook and Cameron.

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 4067 9079 4072 9079 4106 9063 4104 9044
      4087 9044 4064 9070
TIME...MOT...LOC 2148Z 206DEG 31KT 4072 9073 

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

$$

Gibbs

6 follow-up statements

572 
WWUS53 KDVN 282155
SVSDVN

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

ILC187-282230-
/O.CON.KDVN.TO.W.0002.000000T0000Z-200328T2230Z/
Warren IL-
455 PM CDT Sat Mar 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL
WARREN COUNTY...
    
At 455 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Roseville, or 8 miles south of Monmouth, moving
northeast 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.

This dangerous storm will be near...
  Monmouth around 505 PM CDT.
  Lake Warren around 510 PM CDT.

Other locations impacted by this tornadic thunderstorm include Warren
County Fairgrounds, Ormonde, Gerlaw, Ponemah, Larchland, Monmouth
Municipal Airport, Berwick, Coldbrook and Cameron.

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 4070 9076 4072 9079 4106 9063 4104 9044
      4087 9044 4066 9068
TIME...MOT...LOC 2155Z 211DEG 52KT 4079 9066 

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

$$

Gibbs

146 
WWUS53 KDVN 282158
SVSDVN

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

ILC187-282230-
/O.CON.KDVN.TO.W.0002.000000T0000Z-200328T2230Z/
Warren IL-
458 PM CDT Sat Mar 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL
WARREN COUNTY...
    
At 458 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Monmouth, moving northeast 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.

This dangerous storm will be near...
  Lake Warren around 510 PM CDT.

Other locations impacted by this tornadic thunderstorm include Warren
County Fairgrounds, Ormonde, Gerlaw, Ponemah, Larchland, Monmouth
Municipal Airport, Berwick, Coldbrook and Cameron.

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 4073 9075 4077 9077 4106 9063 4104 9044
      4087 9044 4072 9062
TIME...MOT...LOC 2158Z 210DEG 53KT 4083 9063 

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

$$

Gibbs

743 
WWUS53 KDVN 282202
SVSDVN

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

ILC187-282230-
/O.CON.KDVN.TO.W.0002.000000T0000Z-200328T2230Z/
Warren IL-
502 PM CDT Sat Mar 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL
WARREN COUNTY...
    
At 502 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Monmouth, moving northeast 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.

This tornadic thunderstorm will remain over mainly rural areas of
central Warren County, including the following locations... Ormonde,
Gerlaw, Ponemah, Larchland, Monmouth Municipal Airport, Berwick,
Coldbrook and Cameron.

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 4076 9070 4080 9076 4106 9063 4104 9044
      4087 9044 4074 9059
TIME...MOT...LOC 2202Z 214DEG 50KT 4083 9058 

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

$$

Gibbs

346 
WWUS53 KDVN 282206
SVSDVN

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

ILC187-282230-
/O.CON.KDVN.TO.W.0002.000000T0000Z-200328T2230Z/
Warren IL-
506 PM CDT Sat Mar 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
NORTHEASTERN WARREN COUNTY...
    
At 505 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Monmouth, moving northeast 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.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Warren County, including the following locations...
Ormonde, Gerlaw, Monmouth Municipal Airport, Coldbrook and Cameron.

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 4082 9062 4087 9070 4106 9058 4104 9044
      4087 9044 4080 9052
TIME...MOT...LOC 2205Z 214DEG 50KT 4088 9054 

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

$$

Gibbs

720 
WWUS53 KDVN 282214
SVSDVN

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

ILC187-282230-
/O.CON.KDVN.TO.W.0002.000000T0000Z-200328T2230Z/
Warren IL-
514 PM CDT Sat Mar 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
NORTHEASTERN WARREN COUNTY...
    
At 514 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Galesburg, moving northeast at 50 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 Warren County, including the following locations...
Coldbrook and Cameron.

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 4086 9056 4092 9057 4105 9051 4104 9044
      4087 9044 4085 9048
TIME...MOT...LOC 2214Z 216DEG 44KT 4092 9048 

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

$$

Gibbs

994 
WWUS53 KDVN 282221
SVSDVN

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

ILC187-282231-
/O.EXP.KDVN.TO.W.0002.000000T0000Z-200328T2230Z/
Warren IL-
521 PM CDT Sat Mar 28 2020

...THE TORNADO WARNING FOR NORTHEASTERN WARREN COUNTY WILL EXPIRE AT
530 PM CDT...
        
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 900 PM CDT for west central
Illinois.

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

LAT...LON 4086 9056 4092 9057 4105 9051 4104 9044
      4087 9044 4085 9048
TIME...MOT...LOC 2221Z 206DEG 31KT 4097 9045 

$$

Gibbs

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 9:13 PM CDT	River Flood Watch	DVN	Jo Daviess	61 hr
Mar 27, 11:32 PM CDT	Special Weather Statement	DVN	Rock Island, Whiteside	58 min
Mar 27, 11:51 PM CDT	Flash Flood Warning	DVN	Henry, Mercer, Rock Island, Whiteside	4 hr
Mar 28, 3:21 AM CDT	Special Weather Statement	DVN	Carroll	24 min
Mar 28, 4:49 AM CDT	Special Weather Statement	DVN	Mercer	26 min
Mar 28, 5:15 AM CDT	Special Weather Statement	DVN	Rock Island	30 min
Mar 28, 10:39 AM CDT	River Flood Watch	DVN	Whiteside	24 hr
Mar 28, 10:52 AM CDT	River Flood Warning	DVN	Jo Daviess	22 days
Mar 28, 10:52 AM CDT	River Flood Warning	DVN	Rock Island, Whiteside	24 days
Mar 28, 10:52 AM CDT	River Flood Warning	DVN	Hancock	21 days
Mar 28, 11:25 AM CDT	River Flood Watch	DVN	Carroll, Whiteside	21 days
Mar 28, 11:25 AM CDT	River Flood Watch	DVN	Rock Island	10 hr
Mar 28, 3:42 PM CDT	Special Weather Statement	DVN	Rock Island	33 min
Mar 28, 4:15 PM CDT	Special Weather Statement	DVN	Carroll, Stephenson	30 min
Mar 28, 5:29 PM CDT	Severe Thunderstorm Warning	DVN	Henry	31 min
Mar 28, 5:52 PM CDT	Tornado Warning	DVN	Bureau, Henry	38 min
Mar 28, 6:33 PM CDT	Tornado Warning	DVN	Henderson, Warren	42 min

Nearby

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