Alert archive / Iowa / High Wind Watches in 2021

High Wind Watch 1, NWS Quad Cities, IA

December 13, 20219 counties in Illinois; 20 counties in Iowa

NWS Quad Cities, IA issued this high wind watch at Dec 13, 2021, 2:36 PM CST for 9 counties in Illinois; 20 counties in Iowa. It took effect at Dec 15, 2021, 3:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 13, 2021, 2:36 PM CST (20:36 UTC)
In effect from
Dec 15, 2021, 3:00 PM CST
Expired
Dec 14, 2021, 2:33 PM CST
In force
Issued by
NWS Quad Cities, IA
All 29 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Henry County, IL, Jo Daviess County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 34 km from the middle of the area, began a volume at 20:39 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 nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.6 hours before the alert went out and 40 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 2021-12-13Temperature 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 2021-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.1939587897Sfc1 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
1967 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
341 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

549 
WWUS73 KDVN 132036
NPWDVN

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
236 PM CST Mon Dec 13 2021

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-015-140445-
/O.NEW.KDVN.HW.A.0001.211215T2100Z-211216T1200Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Jo Daviess-Rock Island-
Including the cities of Independence, Manchester, Dubuque, 
Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, 
Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney, 
Washington, Wapello, Fairfield, Mount Pleasant, Burlington, 
Keosauqua, Galena, Moline, and Rock Island
236 PM CST Mon Dec 13 2021

...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  possible.

* WHERE...Portions of east central, northeast and southeast Iowa 
  and northwest Illinois.

* WHEN...From Wednesday afternoon through late Wednesday night.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could be
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

DC

www.weather.gov/dvn
4 follow-up statements
889 
WWUS73 KDVN 140210
NPWDVN

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
810 PM CST Mon Dec 13 2021

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-015-141015-
/O.CON.KDVN.HW.A.0001.211215T2100Z-211216T1200Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Jo Daviess-Rock Island-
Including the cities of Independence, Manchester, Dubuque, 
Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, 
Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney, 
Washington, Wapello, Fairfield, Mount Pleasant, Burlington, 
Keosauqua, Galena, Moline, and Rock Island
810 PM CST Mon Dec 13 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH LATE WEDNESDAY NIGHT...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  possible.

* WHERE...Portions of east central, northeast and southeast Iowa 
  and northwest Illinois.

* WHEN...From Wednesday afternoon through late Wednesday night.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

www.weather.gov/dvn
095 
WWUS73 KDVN 140855
NPWDVN

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
255 AM CST Tue Dec 14 2021

ILZ002-007-009-016>018-024-141700-
/O.EXA.KDVN.HW.A.0001.211215T2100Z-211216T1200Z/
Stephenson-Carroll-Whiteside-Henry IL-Bureau-Putnam-Mercer-
Including the cities of Freeport, Mount Carroll, Sterling, 
Geneseo, Princeton, Hennepin, and Aledo
255 AM CST Tue Dec 14 2021

...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  possible.

* WHERE...Stephenson, Carroll, Whiteside, Henry IL, Bureau, 
  Putnam and Mercer Counties.

* WHEN...From Wednesday afternoon through late Wednesday night.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-015-141700-
/O.CON.KDVN.HW.A.0001.211215T2100Z-211216T1200Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Jo Daviess-Rock Island-
Including the cities of Independence, Manchester, Dubuque, 
Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, 
Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney, 
Washington, Wapello, Fairfield, Mount Pleasant, Burlington, 
Keosauqua, Galena, Moline, and Rock Island
255 AM CST Tue Dec 14 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH LATE WEDNESDAY NIGHT...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  possible.

* WHERE...Portions of east central, northeast and southeast Iowa 
  and northwest Illinois.

* WHEN...From Wednesday afternoon through late Wednesday night.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

www.weather.gov/dvn
596 
WWUS73 KDVN 141610
NPWDVN

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
1010 AM CST Tue Dec 14 2021

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-002-007-009-
015>018-024-150015-
/O.CON.KDVN.HW.A.0001.211215T2100Z-211216T1200Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-
Including the cities of Independence, Manchester, Dubuque, 
Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, 
Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney, 
Washington, Wapello, Fairfield, Mount Pleasant, Burlington, 
Keosauqua, Galena, Freeport, Mount Carroll, Sterling, Moline, 
Rock Island, Geneseo, Princeton, Hennepin, and Aledo
1010 AM CST Tue Dec 14 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH LATE WEDNESDAY NIGHT...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  possible.

* WHERE...Portions of east central, northeast and southeast Iowa 
  and northwest Illinois.

* WHEN...From Wednesday afternoon through late Wednesday night.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

www.weather.gov/dvn
192 
WWUS73 KDVN 142033
NPWDVN

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
233 PM CST Tue Dec 14 2021

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ015-150445-
/O.UPG.KDVN.HW.A.0001.211215T2100Z-211216T1200Z/
/O.NEW.KDVN.HW.W.0002.211215T2100Z-211216T1200Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Rock Island-
Including the cities of Independence, Manchester, Dubuque, 
Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City, 
Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney, 
Washington, Wapello, Fairfield, Mount Pleasant, Burlington, 
Keosauqua, Moline, and Rock Island
233 PM CST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 3 PM WEDNESDAY TO 6 AM CST
THURSDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 65 mph 
  expected. Stronger gusts are possible with showers and storms 
  Wednesday evening.

* WHERE...Portions of east central, northeast and southeast Iowa 
  and northwest Illinois.

* WHEN...From 3 PM Wednesday to 6 AM CST Thursday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult,
  especially for high profile vehicles. Any fires that start could
  spread rapidly. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

ILZ001-002-007-009-016>018-024-150445-
/O.UPG.KDVN.HW.A.0001.211215T2100Z-211216T1200Z/
/O.NEW.KDVN.HW.W.0002.211216T0000Z-211216T1200Z/
Jo Daviess-Stephenson-Carroll-Whiteside-Henry IL-Bureau-Putnam-
Mercer-
Including the cities of Galena, Freeport, Mount Carroll, 
Sterling, Geneseo, Princeton, Hennepin, and Aledo
233 PM CST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 6 PM WEDNESDAY TO 6 AM CST
THURSDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected. Stronger gusts are possible with showers and storms 
  Wednesday evening.

* WHERE...Jo Daviess, Stephenson, Carroll, Whiteside, Henry IL, 
  Bureau, Putnam and Mercer Counties.

* WHEN...From 6 PM Wednesday to 6 AM CST Thursday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult,
  especially for high profile vehicles. Any fires that start 
  could spread rapidly. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

IAZ099-ILZ025-026-034-035-MOZ009-010-150445-
/O.NEW.KDVN.WI.Y.0009.211215T2100Z-211216T1200Z/
Lee-Henderson-Warren-Hancock-McDonough-Scotland-Clark-
Including the cities of Fort Madison, Oquawka, Monmouth, 
Carthage, Macomb, Memphis, and Kahoka
233 PM CST Tue Dec 14 2021

...WIND ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 6 AM CST
THURSDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 55 mph 
  expected.

* WHERE...In Missouri, Scotland and Clark Counties. In Iowa, Lee 
  County. In Illinois, Henderson, Warren, Hancock and McDonough 
  Counties.

* WHEN...From 3 PM Wednesday to 6 AM CST Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

www.weather.gov/dvn

Nearby

High Wind Watches in Iowa, 2021High Wind Watches in Illinois, 2021Every high wind watch in 2021

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.