Severe Thunderstorm Warning 63, NWS Quad Cities, IA

Issued

Aug 9, 2021, 8:16 PM CDT (01:16 UTC)

Expired

Aug 9, 2021, 8:45 PM CDT

In force

29 min

Issued by

NWS Quad Cities, IA

Area

Storm-based polygon

Tornado

Possible

Hail

1.0 in

Wind

60.0 mph

Counties Bureau County, IL, Putnam County, IL

The Quad Cities radar (KDVN), 102 km from the middle of the area, began a volume at 01:17 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.

604 
WUUS53 KDVN 100116
SVRDVN
ILC011-155-100145-
/O.NEW.KDVN.SV.W.0063.210810T0116Z-210810T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
816 PM CDT Mon Aug 9 2021

The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for...
  Northwestern Putnam County in north central Illinois...
  Southeastern Bureau County in north central Illinois...

* Until 845 PM CDT.

* At 816 PM CDT, a severe thunderstorm was located over Tiskilwa, or
  near Princeton, moving southeast at 15 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Bureau Junction and Hennepin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for north central
Illinois.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
sturdy building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

A Tornado Watch remains in effect until 1000 PM CDT for north central
Illinois.

&&

LAT...LON 4129 8955 4136 8948 4129 8924 4117 8941
TIME...MOT...LOC 0116Z 305DEG 12KT 4129 8949 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gibbs

897 
WWUS53 KDVN 100133
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
833 PM CDT Mon Aug 9 2021

ILC011-155-100145-
/O.CON.KDVN.SV.W.0063.000000T0000Z-210810T0145Z/
Putnam IL-Bureau IL-
833 PM CDT Mon Aug 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHWESTERN PUTNAM AND SOUTHEASTERN BUREAU COUNTIES...

At 833 PM CDT, a severe thunderstorm was located near Bureau
Junction, or near Hennepin, moving southeast at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Princeton, Hennepin, Tiskilwa, Bureau Junction, Putnam and Lake
Thunderbird.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for north central
Illinois.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4129 8955 4136 8948 4129 8924 4117 8941
TIME...MOT...LOC 0133Z 305DEG 12KT 4126 8943 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gibbs

848 
WWUS53 KDVN 100140
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
840 PM CDT Mon Aug 9 2021

ILC011-155-100150-
/O.EXP.KDVN.SV.W.0063.000000T0000Z-210810T0145Z/
Putnam IL-Bureau IL-
840 PM CDT Mon Aug 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PUTNAM AND
SOUTHEASTERN BUREAU COUNTIES WILL EXPIRE AT 845 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1000 PM CDT for north 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 4129 8955 4136 8948 4129 8924 4117 8941
TIME...MOT...LOC 0140Z 305DEG 12KT 4125 8940 

$$

Gibbs

Severe Thunderstorm Warnings in Illinois, 2021Every severe thunderstorm warning in 2021

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.