Alert archive / Iowa / Wind Advisories in 2012

Wind Advisory 8, NWS Quad Cities, IA

November 23, 201211 counties in Illinois; 19 counties in Iowa

NWS Quad Cities, IA issued this wind advisory at Nov 23, 2012, 5:08 AM CST for 11 counties in Illinois; 19 counties in Iowa. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Nov 23, 2012, 5:08 AM CST (11:08 UTC)
Expired
Nov 23, 2012, 12:00 PM CST
In force
7 hr
Issued by
NWS Quad Cities, IA
All 30 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, Washington County, IA, Bureau County, IL, Carroll County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 29 km from the middle of the area, began a volume at 11:05 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, 11.1 hours before the alert went out and 36 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 2012-11-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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 2012-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 square meters per square second.19395878Sfc1 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
7 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1134 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

820 
WWUS73 KDVN 231108
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
508 AM CST FRI NOV 23 2012

...STRONG NORTHWEST WINDS THIS MORNING...

.STRONG NORTHWEST WINDS BEHIND A COLD FRONT SUSTAINED AT 25 TO 35
MPH AND GUSTS UP TO 45 MPH...WILL LAST THROUGH AT LEAST LATE
MORNING. THESE BRISK WINDS COMBINED WITH COLD TEMPERATURES WILL
PRODUCE WIND CHILLS IN THE TEENS ACROSS MUCH OF THE AREA THIS MORNING.

IAZ040>042-051>054-063>068-076>078-087>089-ILZ001-002-007-009-
015>018-024>026-231800-
/O.NEW.KDVN.WI.Y.0008.121123T1108Z-121123T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-
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...GALENA...FREEPORT...MOUNT CARROLL...
STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...
PRINCETON...HENNEPIN...ALEDO...OQUAWKA...MONMOUTH
508 AM CST FRI NOV 23 2012

...WIND ADVISORY IN EFFECT UNTIL NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. 

* TIMING...WINDY CONDITIONS WILL PERSIST AND REMAIN STRONG UNTIL
  NOON TODAY. THE WINDS WILL GRADUALLY DIMINISH THROUGH THE
  AFTERNOON HOURS.

* WINDS...NORTHWEST WINDS WILL RANGE FROM 25 TO 35 MPH...WITH
  GUSTS UP TO 45 MPH AT TIMES.

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 THIS
MORNING.

&&

$$

12
2 follow-up statements
155 
WWUS73 KDVN 231608
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1008 AM CST FRI NOV 23 2012

...STRONG NORTHWEST WINDS THIS MORNING...

.STRONG NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH AND GUSTING TO
AROUND 45 MPH... WILL CONTINUE THROUGH LATE MORNING. THESE 
STRONG WINDS COMBINED WITH COLD TEMPERATURES WILL PRODUCE WIND
CHILLS IN THE TEENS ACROSS MUCH OF THE AREA THIS MORNING.

IAZ040>042-051>054-063>068-076>078-087>089-ILZ001-002-007-009-
015>018-024>026-231800-
/O.CON.KDVN.WI.Y.0008.000000T0000Z-121123T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-
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...GALENA...FREEPORT...MOUNT CARROLL...
STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...
PRINCETON...HENNEPIN...ALEDO...OQUAWKA...MONMOUTH
1008 AM CST FRI NOV 23 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* TIMING...WINDY CONDITIONS WILL PERSIST AND REMAIN STRONG UNTIL 
  NOON TODAY. THE WINDS WILL GRADUALLY DIMINISH THROUGH THE 
  AFTERNOON HOURS. 

* WINDS...NORTHWEST WINDS WILL RANGE FROM 25 TO 35 MPH...WITH 
  GUSTS UP TO 45 MPH AT TIMES. 

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 THIS
MORNING.

&&

$$
914 
WWUS73 KDVN 231800
NPWDVN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1200 PM CST FRI NOV 23 2012

IAZ040>042-051>054-063>068-076>078-087>089-ILZ001-002-007-009-
015>018-024>026-231900-
/O.EXP.KDVN.WI.Y.0008.000000T0000Z-121123T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-
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...GALENA...FREEPORT...MOUNT CARROLL...
STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...
PRINCETON...HENNEPIN...ALEDO...OQUAWKA...MONMOUTH
1200 PM CST FRI NOV 23 2012

...WIND ADVISORY WILL EXPIRE AT NOON CST TODAY...

NORTHWEST WINDS WILL CONTINUE TO SLOWLY DECREASE IN INTENSITY
THIS AFTERNOON... BUT STILL REMAIN BRISK AT 15 TO 30 MPH AND
GUSTY. THESE WINDS COMBINED WITH TEMPERATURES IN UPPER 20S TO
MIDDLE 30S... WILL RESULT IN WIND CHILL READINGS MOSTLY IN THE
TEENS AND 20S. 

$$

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.