Alert archive / Iowa / Wind Advisories in 2017

Wind Advisory 10, NWS Des Moines, IA

December 5, 201713 counties in Iowa

NWS Des Moines, IA issued this wind advisory at Dec 5, 2017, 4:12 AM CST for 13 counties in Iowa. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Dec 5, 2017, 4:12 AM CST (10:12 UTC)
Expired
Dec 5, 2017, 6:52 AM CST
In force
3 hr
Issued by
NWS Des Moines, IA

Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA, Cerro Gordo County, IA, Emmet County, IA, Franklin County, IA, Grundy County, IA, Hancock County, IA, Kossuth County, IA, Marshall County, IA, Palo Alto County, IA, Winnebago County, IA, Worth County, IA

The radar

The Des Moines radar (KDMX), 133 km from the middle of the area, began a volume at 10:16 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

Minneapolis, MN (KMPX), launched 00:00Z, 10.2 hours before the alert went out and 217 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, Minneapolis, MN at 00:00Z on 2017-12-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Minneapolis, MN at 00:00Z on 2017-12-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
512 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

870 
WWUS73 KDMX 051012
NPWDMX

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
412 AM CST Tue Dec 5 2017

...Strong Winds Continue Over Parts of Central Iowa Today...

.A strong northwest wind will continue over much of the state
today. There will be a brief period this morning where winds
diminish some but from mid to late morning through mid afternoon,
winds are expected to gust to 45 mph once again. A brief period of
light snow or flurries is possible this afternoon and again this
evening but no hazardous conditions are expected from the light
snow.

IAZ061-074-084-085-095-096-051815-
/O.NEW.KDMX.WI.Y.0011.171205T1600Z-171205T2200Z/
/O.CON.KDMX.WI.Y.0009.000000T0000Z-171205T1200Z/
Jasper-Marion-Lucas-Monroe-Wayne-Appanoose-
Including the cities of Newton, Pella, Knoxville, Chariton, 
Albia, Corydon, Seymour, Allerton, Humeston, and Centerville
412 AM CST Tue Dec 5 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON...

The National Weather Service in Des Moines has issued a Wind
Advisory, which is in effect from 10 AM this morning to 4 PM CST
this afternoon. 

* SHORT TERM TRENDS...Winds will diminish some and become less
  gusty from early this morning until mid to late morning. However
  winds are expected to increase in the mid to late morning hours
  through mid afternoon. 

* Winds...Sustained northwest winds at 25 to 35 mph with gusts of
  45 mph. 

* IMPACTS...Travel may be hazardous, especially for high profile 
  vehicles. Lightweight unsecured objects will be blown around 
  and thus should be secured if possible, such as holiday 
  decorations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or greater are expected. Winds this strong can
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

IAZ004>006-015-016-049-051815-
/O.NEW.KDMX.WI.Y.0010.171205T1012Z-171205T1200Z/
/O.NEW.KDMX.WI.Y.0011.171205T1600Z-171205T2200Z/
Emmet-Kossuth-Winnebago-Palo Alto-Hancock-Marshall-
Including the cities of Estherville, Algona, Forest City, 
Lake Mills, Emmetsburg, Garner, Britt, Kanawha, and Marshalltown
412 AM CST Tue Dec 5 2017

...WIND ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...
...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON...

The National Weather Service in Des Moines has issued a Wind
Advisory, which is in effect until 6 AM CST early this morning. A
Wind Advisory has also been issued from 10 AM this morning to
4 PM CST this afternoon. 

* SHORT TERM TRENDS...Winds will diminish some and become less
  gusty from early this morning until mid to late morning. However
  winds are expected to increase in the mid to late morning hours
  through mid afternoon. 

* Winds...Sustained northwest winds at 25 to 35 mph with gusts of
  45 mph. 

* IMPACTS...Travel may be hazardous, especially for high profile 
  vehicles. Lightweight unsecured objects will be blown around 
  and thus should be secured if possible, such as holiday 
  decorations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or greater are expected. Winds this strong can
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

IAZ007-017-026>028-038-039-051815-
/O.NEW.KDMX.WI.Y.0010.171205T1012Z-171205T2200Z/
Worth-Cerro Gordo-Franklin-Butler-Bremer-Grundy-Black Hawk-
Including the cities of Northwood, Manly, Mason City, Clear Lake,
Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington,
Allison, Dumont, Waverly, Grundy Center, Reinbeck, Conrad, Dike, 
Wellsburg, Waterloo, and Cedar Falls
412 AM CST Tue Dec 5 2017

...WIND ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

The National Weather Service in Des Moines has issued a Wind
Advisory, which is in effect until 4 PM CST this afternoon. 

* SHORT TERM TRENDS...Winds will diminish some and become less
  gusty from early this morning until mid to late morning. However
  winds are expected to increase in the mid to late morning hours
  through mid afternoon. 

* Winds...Sustained northwest winds at 25 to 35 mph with gusts of
  45 mph. 

* IMPACTS...Travel may be hazardous, especially for high profile 
  vehicles. Lightweight unsecured objects will be blown around 
  and thus should be secured if possible, such as holiday 
  decorations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or greater are expected. Winds this strong can
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

IAZ023>025-036-037-048-060-073-083-094-051815-
/O.NEW.KDMX.WI.Y.0011.171205T1600Z-171205T2200Z/
Pocahontas-Humboldt-Wright-Hamilton-Hardin-Story-Polk-Warren-
Clarke-Decatur-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda, 
Gilmore City, Humboldt, Eagle Grove, Clarion, Belmond, 
Webster City, Iowa Falls, Eldora, Ackley, Ames, Des Moines, 
Indianola, Norwalk, Carlisle, Osceola, Lamoni, and Leon
412 AM CST Tue Dec 5 2017

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON...

The National Weather Service in Des Moines has issued a Wind
Advisory, which is in effect from 10 AM this morning to 4 PM CST
this afternoon. 

* TIMING...It will be windy through early to mid morning but after
  10 AM the wind will increase again and become gusty through mid
  afternoon.  

* WINDS...Sustained northwest wind at 25 to 35 mph with gusts to
  45 mph.

* IMPACTS...Travel may be hazardous, especially for high profile 
  vehicles. Lightweight unsecured objects will be blown around 
  and thus should be secured if possible, such as holiday 
  decorations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or greater are expected. Winds this strong can
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

IAZ050-062-075-086-097-051815-
/O.EXT.KDMX.WI.Y.0009.000000T0000Z-171205T2200Z/
Tama-Poweshiek-Mahaska-Wapello-Davis-
Including the cities of Tama, Toledo, Traer, Dysart, Gladbrook, 
Grinnell, Oskaloosa, Ottumwa, and Bloomfield
412 AM CST Tue Dec 5 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

* SHORT TERM TRENDS...There will be a brief period this morning
  where winds diminish some but by mid to late morning, winds will
  again increase to advisory criteria. These strong wind gusts
  will persist into the mid afternoon. 

* WINDS...Sustained northwest wind at 25 to 35 mph with gusts of
  45 mph. 

* IMPACTS...Travel may be hazardous, especially for high profile 
  vehicles. Lightweight unsecured objects will be blown around 
  and thus should be secured if possible, such as holiday 
  decorations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or greater are expected. Winds this strong can
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

FAB
1 follow-up statement
077 
WWUS73 KDMX 051252
NPWDMX

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
652 AM CST Tue Dec 5 2017

...Strong Winds Continue Over Parts of Central Iowa Today...

.A strong northwest wind will continue over much of the state
today. There will be a brief period this morning where winds
diminish some but from mid to late morning through mid afternoon,
winds are expected to gust to 45 mph once again. A brief period
of light snow or flurries is possible this afternoon and again
this evening but no hazardous conditions are expected from the
light snow.

IAZ050-062-075-086-097-052100-
/O.CAN.KDMX.WI.Y.0009.000000T0000Z-171205T2200Z/
/O.EXA.KDMX.WI.Y.0011.171205T1600Z-171205T2200Z/
Tama-Poweshiek-Mahaska-Wapello-Davis-
Including the cities of Tama, Toledo, Traer, Dysart, Gladbrook, 
Grinnell, Oskaloosa, Ottumwa, and Bloomfield
652 AM CST Tue Dec 5 2017

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON...

The National Weather Service in Des Moines has issued a Wind
Advisory, which is in effect from 10 AM this morning to 4 PM CST
this afternoon. 

* SHORT TERM TRENDS...Winds have fallen to well below advisory
  criteria and will remain below through mid morning. As a result
  the previous wind advisory was cancelled. Winds will increase
  again to advisory criteria by late morning and remain there
  through mid afternoon prompting the issuance of a new advisory
  beginning at 10 AM.
 
* WINDS...Sustained northwest wind at 25 to 35 mph with gusts of 
  45 mph. 

* IMPACTS...Travel may be hazardous, especially for high profile 
  vehicles. Lightweight unsecured objects will be blown around 
  and thus should be secured if possible, such as holiday 
  decorations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or greater are expected. Winds this strong can
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

IAZ007-017-026>028-038-039-052100-
/O.CAN.KDMX.WI.Y.0010.000000T0000Z-171205T2200Z/
/O.EXA.KDMX.WI.Y.0011.171205T1600Z-171205T2200Z/
Worth-Cerro Gordo-Franklin-Butler-Bremer-Grundy-Black Hawk-
Including the cities of Northwood, Manly, Mason City, Clear Lake,
Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington,
Allison, Dumont, Waverly, Grundy Center, Reinbeck, Conrad, Dike, 
Wellsburg, Waterloo, and Cedar Falls
652 AM CST Tue Dec 5 2017

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON...

The National Weather Service in Des Moines has issued a Wind
Advisory, which is in effect from 10 AM this morning to 4 PM CST
this afternoon. 

* SHORT TERM TRENDS...Winds have fallen to well below advisory
  criteria and will remain below through mid morning. As a result
  the previous wind advisory was cancelled. Winds will increase
  again to advisory criteria by late morning and remain there
  through mid afternoon prompting the issuance of a new advisory
  beginning at 10 AM.

* Winds...Sustained northwest winds at 25 to 35 mph with gusts 
  of 45 mph. 

* IMPACTS...Travel may be hazardous, especially for high profile 
  vehicles. Lightweight unsecured objects will be blown around 
  and thus should be secured if possible, such as holiday 
  decorations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or greater are expected. Winds this strong can
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

IAZ004>006-015-016-023>025-036-037-048-049-060-061-073-074-
083>085-094>096-052100-
/O.CON.KDMX.WI.Y.0011.171205T1600Z-171205T2200Z/
Emmet-Kossuth-Winnebago-Palo Alto-Hancock-Pocahontas-Humboldt-
Wright-Hamilton-Hardin-Story-Marshall-Polk-Jasper-Warren-Marion-
Clarke-Lucas-Monroe-Decatur-Wayne-Appanoose-
Including the cities of Estherville, Algona, Forest City, 
Lake Mills, Emmetsburg, Garner, Britt, Kanawha, Pocahontas, 
Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Eagle Grove, 
Clarion, Belmond, Webster City, Iowa Falls, Eldora, Ackley, Ames,
Marshalltown, Des Moines, Newton, Indianola, Norwalk, Carlisle, 
Pella, Knoxville, Osceola, Chariton, Albia, Lamoni, Leon, 
Corydon, Seymour, Allerton, Humeston, and Centerville
652 AM CST Tue Dec 5 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
4 PM CST THIS AFTERNOON...

* SHORT TERM TRENDS...While it will remain windy this morning,
  wind speeds will not reach advisory criteria until they become
  stronger. This is expected to happen from late morning through
  mid afternoon.  

* Winds...Sustained northwest winds at 25 to 35 mph with gusts 
  of 45 mph. 

* IMPACTS...Travel may be hazardous, especially for high profile 
  vehicles. Lightweight unsecured objects will be blown around 
  and thus should be secured if possible, such as holiday 
  decorations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts of 45 mph or greater are expected. Winds this strong can
make driving difficult, especially for high profile vehicles. Use
extra caution.

&&

$$

FAB

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 5, 4:12 AM CSTWind AdvisoryDMXAppanoose, Black Hawk, Bremer, Butler, Cerro Gordo, Clarke and 28 more12 hr

Nearby

Wind Advisories in Iowa, 2017Every wind advisory in 2017

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.