Alert archive / Iowa / Wind Advisories in 2012

Wind Advisory 3, NWS Quad Cities, IA

April 16, 20128 counties in Illinois; 13 counties in Iowa

NWS Quad Cities, IA issued this wind advisory at Apr 16, 2012, 3:35 AM CDT for 8 counties in Illinois; 13 counties in Iowa. It took effect at Apr 16, 2012, 9:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 16, 2012, 3:35 AM CDT (08:35 UTC)
In effect from
Apr 16, 2012, 9:00 AM CDT
Expired
Apr 16, 2012, 3:00 PM CDT
In force
6 hr
Issued by
NWS Quad Cities, IA
All 21 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Linn County, IA, Muscatine County, IA, Scott County, IA, Bureau County, IL, Carroll County, IL, Henry County, IL, Jo Daviess County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 35 km from the middle of the area, began a volume at 08:34 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

Lincoln, IL (KILX), launched 00:00Z, 8.6 hours before the alert went out and 266 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, Lincoln, IL at 00:00Z on 2012-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 502 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lincoln, IL at 00:00Z on 2012-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 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
502 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
972 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
388 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

958 
WWUS73 KDVN 160835
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
335 AM CDT MON APR 16 2012

...STRONG WINDS AGAIN TODAY...

.AS A STORM SYSTEM MOVES AWAY FROM THE REGION...ANOTHER DAY OF
STRONG WINDS ARE EXPECTED. THE STRONGEST WINDS WILL BE FOUND OVER
NORTHERN IOWA AND WISCONSIN...WITH WIND GUST POSSIBLY REACHING 45
MPH NORTHWEST OF A LINE FROM VINTON IOWA TO DUBUQUE. SUSTAINED
WINDS OF 30 MPH ARE ALSO LIKELY DURING THE MID DAY HOURS. 

IAZ040>042-051-052-161845-
/O.NEW.KDVN.WI.Y.0003.120416T1400Z-120416T2000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS
335 AM CDT MON APR 16 2012

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 3 PM CDT
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 3 PM CDT
THIS AFTERNOON. 

* TIMING...MID MORNING THROUGH MID AFTERNOON.

* WINDS...SUSTAINED WINDS OF 30 MPH WITH GUSTS AROUND 45 MPH. 

* IMPACTS...WINDS OF THIS LEVEL WILL MAKE TRAVEL DIFFICULT...ESPECIALLY
  FOR HIGH PROFILE VEHICLES. WINDS WILL BE CAPABLE OF DAMAGING
  TREE BRANCHES AND WILL BLOW AROUND LOOSE OBJECTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH OR GREATER ARE
EXPECTED...WHICH CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES.  USE EXTRA CAUTION IF YOU ARE TRAVELING.

&&

$$


ERVIN
4 follow-up statements
353 
WWUS73 KDVN 161406
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
906 AM CDT MON APR 16 2012

...STRONG WINDS AGAIN TODAY...

.A STORM SYSTEM MOVING INTO THE GREAT LAKES WILL PRODUCE STRONG
WEST TO NORTHWEST WINDS ACROSS EASTERN IOWA AND NORTHWEST
ILLINOIS TODAY. WINDS WILL GRADUALLY DIMINISH DURING THE AFTERNOON AS
THE SYSTEM EXITS THE REGION.

IAZ053-054-063>068-ILZ001-002-007-009-015>018-162000-
/O.EXA.KDVN.WI.Y.0003.120416T1400Z-120416T2000Z/
JONES-JACKSON-IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-
JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-
BUREAU-PUTNAM-
INCLUDING THE CITIES OF...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN
906 AM CDT MON APR 16 2012

...WIND ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON. 

* TIMING...STRONG WEST WINDS WILL CONTINUE THROUGH THE
  MORNING...THEN DIMINISH BY MID AFTERNOON AND CHANGE TO THE NORTHWEST.

* WINDS...SUSTAINED WINDS OF 30 MPH WITH GUSTS AS HIGH AS 45 TO
  NEARLY 50 MPH ARE EXPECTED THROUGH NOON. WIND SPEEDS ARE
  EXPECTED TO DIMINISH TO 20 TO 30 MPH AND CHANGE TO THE NORTHWEST BY
  3 PM.

* IMPACTS...WINDS OF THIS LEVEL WILL MAKE TRAVEL DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. WINDS WILL BE CAPABLE OF 
  DAMAGING TREE BRANCHES AND WILL BLOW AROUND LOOSE OBJECTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH OR GREATER ARE
EXPECTED...WHICH CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES.  USE EXTRA CAUTION IF YOU ARE TRAVELING.

&&

$$

IAZ040>042-051-052-162000-
/O.CON.KDVN.WI.Y.0003.000000T0000Z-120416T2000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS
906 AM CDT MON APR 16 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS
AFTERNOON...

* TIMING...STRONG WINDS WILL CONTINUE THROUGH NOON...THEN DIMINISH
  THIS AFTERNOON. 

* WINDS...SUSTAINED WEST WINDS OF 30 MPH WITH GUSTS OF 45 TO 50
  MPH WILL DIMINISH TO 20 TO 30 MPH BY MID AFTERNOON AND CHANGE TO
  THE NORTHWEST. 

* IMPACTS...WINDS OF THIS LEVEL WILL MAKE TRAVEL DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. WINDS WILL BE CAPABLE OF 
  DAMAGING TREE BRANCHES AND WILL BLOW AROUND LOOSE OBJECTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH OR GREATER ARE
EXPECTED...WHICH CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES.  USE EXTRA CAUTION IF YOU ARE TRAVELING.

&&

$$

SHEETS
887 
WWUS73 KDVN 161658
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1158 AM CDT MON APR 16 2012

...STRONG WINDS CONTINUING THIS AFTERNOON...

.A STORM SYSTEM MOVING INTO THE GREAT LAKES WILL CONTINUE TO PRODUCE
STRONG WEST TO NORTHWEST WINDS ACROSS EASTERN IOWA AND NORTHWEST
ILLINOIS THROUGH MID AFTERNOON. WINDS WILL DIMINISH CONSIDERABLY
FROM MID TO LATE AFTERNOON AS THE STORM SYSTEM MOVES AWAY FROM THE
REGION.

IAZ040>042-051>054-063>068-ILZ001-002-007-009-015>018-162000-
/O.CON.KDVN.WI.Y.0003.000000T0000Z-120416T2000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN
1158 AM CDT MON APR 16 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS
AFTERNOON...

* TIMING...STRONG WEST TO NORTHWEST WINDS WILL GRADUALLY DIMINISH
  EARLY THIS AFTERNOON. 

* WINDS...SUSTAINED WINDS OF 35 TO 40 MPH WITH GUSTS AS HIGH AS 45
  TO BRIEFLY 50 MPH ARE EXPECTED EARLY THIS AFTERNOON. WIND
  SPEEDS ARE EXPECTED TO DIMINISH TO 20 TO 30 MPH BY 3 PM.

* IMPACTS...WINDS OF THIS LEVEL WILL MAKE TRAVEL DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. WINDS WILL BE CAPABLE OF 
  DAMAGING TREE BRANCHES AND WILL BLOW AROUND LOOSE OBJECTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH OR GREATER ARE
EXPECTED...WHICH CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES.  USE EXTRA CAUTION IF YOU ARE TRAVELING.

&&

$$

SHEETS
557 
WWUS73 KDVN 161908
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
208 PM CDT MON APR 16 2012

...STRONG WINDS CONTINUING THIS AFTERNOON...

.A STORM SYSTEM MOVING INTO THE GREAT LAKES WILL CONTINUE TO
PRODUCE STRONG WEST TO NORTHWEST WINDS ACROSS FAR EASTERN IOWA AND
NORTHWEST ILLINOIS THROUGH MID AFTERNOON. WINDS WILL DIMINISH
CONSIDERABLY FROM MID TO LATE AFTERNOON AS THE STORM SYSTEM MOVES
AWAY FROM THE REGION.

IAZ040>042-051>053-063>065-067-162015-
/O.CAN.KDVN.WI.Y.0003.000000T0000Z-120416T2000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE
208 PM CDT MON APR 16 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WIND ADVISORY. 

STRONG WEST WINDS HAVE DIMINISHED TO 20 TO 30 MPH EARLY THIS
AFTERNOON AND ARE EXPECTED TO CONTINUE TO DECREASE THROUGH THE
REST OF THE DAY. ALTHOUGH SOME GUSTS AS HIGH AS 35 MPH WILL BE
POSSIBLE...WIND SPEEDS WILL BE LESS HAZARDOUS THAN EARLIER TODAY
AND THE WIND ADVISORY HAS BEEN CANCELLED.


$$

IAZ054-066-068-ILZ001-002-007-009-015>018-162015-
/O.CON.KDVN.WI.Y.0003.000000T0000Z-120416T2000Z/
JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN
208 PM CDT MON APR 16 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS
AFTERNOON...

* TIMING...STRONG WEST TO NORTHWEST WINDS WILL GRADUALLY DIMINISH
  THROUGH 3 PM. 

* WINDS...SUSTAINED WINDS OF 35 TO 40 MPH WITH GUSTS AS HIGH AS 45
  TO BRIEFLY 50 MPH ARE EXPECTED EARLY THIS AFTERNOON. WIND SPEEDS
  ARE EXPECTED TO DIMINISH TO 25 TO 30 MPH BY 3 PM.

* IMPACTS...WINDS OF THIS LEVEL WILL MAKE TRAVEL DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. WINDS WILL BE CAPABLE OF 
  DAMAGING TREE BRANCHES AND WILL BLOW AROUND LOOSE OBJECTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH OR GREATER ARE
EXPECTED...WHICH CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES.  USE EXTRA CAUTION IF YOU ARE TRAVELING.

&&

$$
979 
WWUS73 KDVN 162010
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
310 PM CDT MON APR 16 2012

IAZ054-066-068-ILZ001-002-007-009-015>018-162115-
/O.EXP.KDVN.WI.Y.0003.000000T0000Z-120416T2000Z/
JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN
310 PM CDT MON APR 16 2012

...WIND ADVISORY HAS EXPIRED...

WINDS HAVE DIMINISHED CONSIDERABLY SINCE THIS MORNING AS A STRONG STORM
SYSTEM HAS MOVED OUT OF THE REGION. WEST WINDS WILL CONTINUE AS
HIGH AS 20 TO 30 MPH...WITH GUSTS UP TO 35 MPH POSSIBLE THROUGH
THE REST OF THIS AFTERNOON. HOWEVER...THIS WILL MUCH LIGHTER THAN THE STRONG
WINDS EXPERIENCED EARLIER TODAY. THUS...THE WIND ADVISORY HAS BEEN
ALLOWED TO EXPIRE.

$$


SHEETS

Nearby

Wind Advisories in Iowa, 2012Wind Advisories in Illinois, 2012Every wind advisory in 2012

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.