|
Home Return to list Severe Thunderstorm Warning 0247 Issued by the Davenport / Quad Cities Forecast Office
Action: New Issued At: 2026-08-11 07:12:09
258
WUUS53 KDVN 111211
SVRDVN
IAC019-055-105-113-111300-
/O.NEW.KDVN.SV.W.0247.260811T1211Z-260811T1300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
711 AM CDT Tue Aug 11 2026
The National Weather Service in the Quad Cities has issued a
* Severe Thunderstorm Warning for...
Buchanan County in northeastern Iowa...
Northwestern Jones County in east central Iowa...
Southern Delaware County in northeastern Iowa...
Northeastern Linn County in east central Iowa...
* Until 800 AM CDT.
* At 710 AM CDT, a severe thunderstorm was located near Independence,
moving east at 60 mph.
THIS IS A DESTRUCTIVE STORM FOR INDEPENDENCE, RYAN, PRAIRIEBURG
AND MONTICELLO.
HAZARD...80 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
* Locations impacted include...
Independence, Manchester, Monticello, Winthrop, Walker, Coggon,
Hopkinton, Quasqueton, Delhi, Ryan, Rowley, Prairieburg,
Masonville, Troy Mills, Paris, Langworthy, Wapsipinicon Golf
Course, Monti, Buck Creek, and Baileys Ford Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of natures 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 4240 9113 4224 9113 4215 9127 4235 9204
4258 9191
TIME...MOT...LOC 1210Z 288DEG 50KT 4242 9187
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 07:19:40
490
WWUS53 KDVN 111219
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
719 AM CDT Tue Aug 11 2026
IAC019-055-105-113-111300-
/O.CON.KDVN.SV.W.0247.000000T0000Z-260811T1300Z/
Buchanan IA-Jones IA-Delaware IA-Linn IA-
719 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT
FOR EASTERN BUCHANAN...NORTHWESTERN JONES...SOUTHERN DELAWARE AND
NORTHEASTERN LINN COUNTIES...
At 718 AM CDT, a severe thunderstorm was located over Monti, or 11
miles southwest of Manchester, moving east at 65 mph.
THIS IS A DESTRUCTIVE STORM FOR QUASQUETON... MASONVILLE... RYAN
...MANCHESTER...MONTICELLO.
HAZARD...90 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be heavily damaged or destroyed. Homes and businesses
will have substantial roof and window damage. Expect
extensive tree damage and power outages.
Locations impacted include...
Independence, Manchester, Monticello, Winthrop, Coggon, Hopkinton,
Quasqueton, Delhi, Ryan, Rowley, Prairieburg, Masonville, Troy Mills,
Langworthy, Winthrop Golf Course, Robinson, Jones County Fairgrounds,
Buffalo Creek Park, Monti, and Buchanan County Fairgrounds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of natures 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 4240 9113 4224 9113 4217 9123 4234 9195
4258 9189
TIME...MOT...LOC 1218Z 282DEG 56KT 4241 9166
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...90 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 07:29:40
771
WWUS53 KDVN 111229
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
729 AM CDT Tue Aug 11 2026
IAC019-055-105-113-111300-
/O.CON.KDVN.SV.W.0247.000000T0000Z-260811T1300Z/
Buchanan IA-Jones IA-Delaware IA-Linn IA-
729 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT
FOR SOUTHEASTERN BUCHANAN...NORTHWESTERN JONES...SOUTHERN DELAWARE
AND NORTHEASTERN LINN COUNTIES...
At 729 AM CDT, a severe thunderstorm was located over Ryan, or 8
miles south of Manchester, moving east at 60 mph.
THIS IS A DESTRUCTIVE STORM FOR MANCHESTER...RYAN AND DELHI.
HAZARD...80 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include...
Manchester, Monticello, Coggon, Hopkinton, Delhi, Ryan, Masonville,
Winthrop Golf Course, Robinson, Jones County Fairgrounds, Monti, Buck
Creek, Baileys Ford Park, Turtle Creek Park, and Monticello Municipal
Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of natures 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 4223 9114 4231 9171 4253 9168 4240 9113
4224 9113
TIME...MOT...LOC 1229Z 288DEG 50KT 4236 9146
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 07:39:40
939
WWUS53 KDVN 111239
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
739 AM CDT Tue Aug 11 2026
IAC019-111248-
/O.CAN.KDVN.SV.W.0247.000000T0000Z-260811T1300Z/
Buchanan IA-
739 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUCHANAN COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northeastern and east central Iowa.
&&
LAT...LON 4240 9113 4224 9113 4223 9114 4228 9149
4249 9150
TIME...MOT...LOC 1238Z 288DEG 50KT 4232 9129
$$
IAC055-105-113-111300-
/O.CON.KDVN.SV.W.0247.000000T0000Z-260811T1300Z/
Jones IA-Delaware IA-Linn IA-
739 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT
FOR NORTHWESTERN JONES...SOUTHERN DELAWARE AND NORTHEASTERN LINN
COUNTIES...
At 738 AM CDT, a severe thunderstorm was located over Hopkinton, or
14 miles north of Anamosa, moving east at 60 mph.
THIS IS A DESTRUCTIVE STORM FOR HOPKINTON.
HAZARD...80 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include...
Manchester, Monticello, Hopkinton, Delhi, Ryan, Buck Creek, Baileys
Ford Park, Jones County Fairgrounds, Turtle Creek Park, and
Monticello Municipal Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of natures 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 4240 9113 4224 9113 4223 9114 4228 9149
4249 9150
TIME...MOT...LOC 1238Z 288DEG 50KT 4232 9129
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH
$$
Gibbs
Action: Cancelled Issued At: 2026-08-11 07:39:40
939
WWUS53 KDVN 111239
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
739 AM CDT Tue Aug 11 2026
IAC019-111248-
/O.CAN.KDVN.SV.W.0247.000000T0000Z-260811T1300Z/
Buchanan IA-
739 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUCHANAN COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northeastern and east central Iowa.
&&
LAT...LON 4240 9113 4224 9113 4223 9114 4228 9149
4249 9150
TIME...MOT...LOC 1238Z 288DEG 50KT 4232 9129
$$
IAC055-105-113-111300-
/O.CON.KDVN.SV.W.0247.000000T0000Z-260811T1300Z/
Jones IA-Delaware IA-Linn IA-
739 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT
FOR NORTHWESTERN JONES...SOUTHERN DELAWARE AND NORTHEASTERN LINN
COUNTIES...
At 738 AM CDT, a severe thunderstorm was located over Hopkinton, or
14 miles north of Anamosa, moving east at 60 mph.
THIS IS A DESTRUCTIVE STORM FOR HOPKINTON.
HAZARD...80 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include...
Manchester, Monticello, Hopkinton, Delhi, Ryan, Buck Creek, Baileys
Ford Park, Jones County Fairgrounds, Turtle Creek Park, and
Monticello Municipal Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of natures 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 4240 9113 4224 9113 4223 9114 4228 9149
4249 9150
TIME...MOT...LOC 1238Z 288DEG 50KT 4232 9129
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH
$$
Gibbs
Action: Expired Issued At: 2026-08-11 07:55:11
373
WWUS53 KDVN 111254 RRA
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
754 AM CDT Tue Aug 11 2026
IAC055-105-113-111304-
/O.EXP.KDVN.SV.W.0247.000000T0000Z-260811T1300Z/
Jones IA-Delaware IA-Linn IA-
754 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN JONES...SOUTHERN
DELAWARE AND NORTHEASTERN LINN COUNTIES WILL EXPIRE AT 800 AM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northeastern and east central Iowa.
&&
LAT...LON 4240 9113 4224 9113 4223 9114 4228 9149
4249 9150
TIME...MOT...LOC 1254Z 288DEG 50KT 4225 9102
$$
Gibbs
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||