Alert archive / Iowa / Wind Advisories in 2012

Wind Advisory 2, NWS Quad Cities, IA

April 15, 201221 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this wind advisory at Apr 15, 2012, 3:28 AM CDT for 21 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Apr 15, 2012, 10:00 AM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Apr 15, 2012, 3:28 AM CDT (08:28 UTC)
In effect from
Apr 15, 2012, 10:00 AM CDT
Expired
Apr 15, 2012, 10:00 PM CDT
In force
12 hr
Issued by
NWS Quad Cities, IA
All 36 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, Lee 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, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 08:31 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 00:00Z, 8.5 hours before the alert went out and 47 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 00:00Z on 2012-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 300 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, Davenport, at 00:00Z on 2012-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
300 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
726 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

655 
WWUS73 KDVN 150828
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
328 AM CDT SUN APR 15 2012

...STRONG WINDS TODAY AND THIS EVENING...

.A STRONG STORM SYSTEM WILL MOVE INTO MINNESOTA TODAY...WITH VERY
STRONG SOUTH WINDS TODAY AND THIS EVENING. WINDS WILL BE SUSTAINED
AROUND 25 TO 35 MPH...WITH FREQUENT GUSTS TO 45 AND POSSIBLY 55
MPH LATE THIS MORNING THROUGH EARLY THIS EVENING. SEVERE STORMS
ARE ALSO POSSIBLE TODAY...WHICH ARE LIKELY TO BRING DAMAGING WINDS
WHEN THE OCCUR.

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-151830-
/O.NEW.KDVN.WI.Y.0002.120415T1500Z-120416T0300Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
GALENA...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA
328 AM CDT SUN APR 15 2012

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
CDT THIS EVENING. 

* TIMING...LATE MORNING THROUGH MID EVENING.

* WINDS...SUSTAINED 25 TO 35 MPH WINDS...WITH FREQUENT GUSTS TO 45
  MPH...AND POSSIBLE GUSTS TO 55 MPH AT TIMES. 

* IMPACTS...WINDS OF THIS LEVEL WILL MAKE TRAVEL ON WEST TO EAST
  ROADS DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. WINDS
  WILL BE CAPABLE OF DAMAGING TREE BRANCHES AND WILL LIKELY 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
3 follow-up statements
066 
WWUS73 KDVN 151737
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1237 PM CDT SUN APR 15 2012

...STRONG WINDS TODAY AND THIS EVENING...

.A STRONG STORM SYSTEM WILL MOVE INTO MINNESOTA TODAY...WITH VERY
STRONG SOUTH WINDS TODAY AND THIS EVENING. WINDS WILL BE
INCREASE EARLY THIS AFTERNOON TO SUSTAIN AROUND 25 TO 35
MPH...WITH FREQUENT GUSTS 35 TO 45 MPH THIS AFTERNOON THROUGH EARLY
THIS EVENING. SEVERE STORMS ARE ALSO POSSIBLE TODAY...WHICH ARE
LIKELY TO BRING DAMAGING WINDS WHEN THEY OCCUR.

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-160300-
/O.CON.KDVN.WI.Y.0002.000000T0000Z-120416T0300Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
GALENA...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA
1237 PM CDT SUN APR 15 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...

* TIMING...THIS AFTERNOON THROUGH MID EVENING.

* WINDS...SUSTAINED SOUTH WINDS OF 25 TO 35 MPH...WITH GUSTS OF
  35 TO 45 MPH.

* IMPACTS...WINDS OF THIS LEVEL WILL MAKE TRAVEL ON WEST TO EAST 
  ROADS DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. WINDS 
  WILL BE CAPABLE OF DAMAGING TREE BRANCHES AND WILL LIKELY 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.

&&

$$
043 
WWUS73 KDVN 152046
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
346 PM CDT SUN APR 15 2012

...STRONG WINDS THROUGH THIS EVENING...

.A POTENT STORM SYSTEM WILL MOVE INTO MINNESOTA TONIGHT PRODUCING VERY
STRONG SOUTH WINDS. SUSTAINED WINDS AROUND 25 TO 35 MPH...WITH FREQUENT
GUSTS UP TO 50 MPH...ARE EXPECTED THIS EVENING. SEVERE STORMS ARE
ALSO A POSSIBILITY TONIGHT...WHICH MAY BRING DAMAGING WINDS WHERE THEY
OCCUR.

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-160300-
/O.CON.KDVN.WI.Y.0002.000000T0000Z-120416T0300Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
GALENA...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA
346 PM CDT SUN APR 15 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...

* TIMING...THROUGH MID EVENING.

* WINDS...SUSTAINED SOUTH WINDS OF 25 TO 35 MPH...WITH GUSTS UP TO TO
  50 MPH.

* IMPACTS...WINDS OF THIS LEVEL WILL MAKE TRAVEL ON WEST TO EAST
  ROADS 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.

&&

$$

WOLF
331 
WWUS73 KDVN 160242
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
942 PM CDT SUN APR 15 2012

...WINDS TO DIMINISH SLIGHTLY TONIGHT BUT REMAIN GUSTY...

.A DEEP LOW PRESSURE SYSTEM WILL CONTINUE TO PRODUCE WINDS OF 20
TO 30 MPH WITH A FEW HIGHER GUSTS THROUGH MONDAY AFTERNOON.

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-160345-
/O.EXP.KDVN.WI.Y.0002.000000T0000Z-120416T0300Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
GALENA...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA
942 PM CDT SUN APR 15 2012

...WIND ADVISORY WILL EXPIRE AT 10 PM CDT THIS EVENING...

THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 10 PM AS WINDS DECREASE
TO 20 TO 30 MPH WITH OCCASIONAL GUSTS TO 35 MPH. WINDS WILL REMAIN
GUSTY AT THESE SPEEDS THROUGH MONDAY AFTERNOON. THE WIND DIRECTION
WILL BECOME SOUTHWESTERLY BY MIDNIGHT AND SWITCH TO THE NORTHWEST
MONDAY MORNING.

$$

NICHOLS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 9:03 PM CDTSevere Thunderstorm WarningDVNCedar, Louisa, Muscatine, Scott43 min
Apr 14, 9:14 PM CDTSevere Thunderstorm WarningDVNBenton, Iowa, Johnson, Keokuk, Linn, Washington61 min
Apr 14, 9:26 PM CDTSevere Thunderstorm WarningDVNHenry, Jefferson, Keokuk, Washington64 min
Apr 14, 9:38 PM CDTSevere Thunderstorm WarningDVNBenton, Cedar, Iowa, Johnson, Jones, Keokuk and 4 more55 min
Apr 14, 9:55 PM CDTSevere Thunderstorm WarningDVNDes Moines, Henry, Jefferson, Keokuk, Louisa, Washington65 min
Apr 15, 12:31 AM CDTSpecial Weather StatementDVNScott74 min
Apr 15, 11:10 AM CDTRiver Flood WarningDVNJohnson, Washington22 hr
Apr 15, 2:56 PM CDTSpecial Weather StatementDVNDes Moines, Henry, Lee, Van Buren64 min
Apr 15, 3:37 PM CDTSpecial Weather StatementDVNClinton, Des Moines, Louisa, Muscatine, Scott53 min
Apr 15, 4:18 PM CDTSpecial Weather StatementDVNCedar, Des Moines, Henry, Lee, Louisa, Muscatine and 2 more57 min
Apr 15, 5:16 PM CDTSpecial Weather StatementDVNClinton, Des Moines, Henry, Lee, Louisa, Muscatine and 1 more59 min
Apr 15, 5:59 PM CDTSpecial Weather StatementDVNDes Moines, Henry, Lee, Louisa, Muscatine2 hr
Apr 15, 1:02 AM CDTSevere Thunderstorm WarningDVNBureau, Henry, Rock Island, Whiteside38 min

Nearby

Wind Advisories in Iowa, 2012Wind Advisories in Illinois, 2012Wind Advisories in Missouri, 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.