Alert archive / Iowa / Wind Advisories in 2019

Wind Advisory 13, NWS Des Moines, IA

November 27, 201940 counties in Iowa

NWS Des Moines, IA issued this wind advisory at Nov 27, 2019, 12:14 PM CST for 40 counties in Iowa. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Nov 27, 2019, 12:14 PM CST (18:14 UTC)
Expired
Nov 27, 2019, 3:00 PM CST
In force
3 hr
Issued by
NWS Des Moines, IA
All 40 counties

Adair County, IA, Appanoose County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Carroll County, IA, Cerro Gordo County, IA, Clarke County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Story County, IA, Tama County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 30 km from the middle of the area, began a volume at 18:18 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, 6.2 hours before the alert went out and 246 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 2019-11-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2019-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
506 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

571 
WWUS73 KDMX 271814
NPWDMX

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
1214 PM CST Wed Nov 27 2019

IAZ039-049-050-061-062-074-075-084>086-095>097-272100-
/O.EXP.KDMX.HW.W.0003.000000T0000Z-191127T1800Z/
/O.NEW.KDMX.WI.Y.0013.191127T1814Z-191127T2100Z/
Black Hawk-Marshall-Tama-Jasper-Poweshiek-Marion-Mahaska-Lucas-
Monroe-Wapello-Wayne-Appanoose-Davis-
Including the cities of Waterloo, Cedar Falls, Marshalltown, 
Tama, Toledo, Traer, Dysart, Gladbrook, Newton, Grinnell, Pella, 
Knoxville, Oskaloosa, Chariton, Albia, Ottumwa, Corydon, Seymour,
Allerton, Humeston, Centerville, and Bloomfield
1214 PM CST Wed Nov 27 2019

...WIND ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...HIGH WIND WARNING HAS EXPIRED...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph.

* WHERE...Portions of east central and southeast Iowa.

* WHEN...Until 3 PM CST this afternoon.

* 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.

&&

$$

IAZ027-028-037-038-047-048-058>060-071>073-082-083-093-094-272100-
/O.EXP.KDMX.WI.Y.0012.000000T0000Z-191127T1800Z/
/O.NEW.KDMX.WI.Y.0013.191127T1814Z-191127T2100Z/
Butler-Bremer-Hardin-Grundy-Boone-Story-Guthrie-Dallas-Polk-Adair-
Madison-Warren-Union-Clarke-Ringgold-Decatur-
Including the cities of Parkersburg, Clarksville, Shell Rock, 
Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, 
Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Boone, 
Ames, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel,
Des Moines, Greenfield, Stuart, Adair, Fontanelle, Winterset, 
Earlham, Indianola, Norwalk, Carlisle, Creston, Osceola, 
Mount Ayr, Lamoni, and Leon
1214 PM CST Wed Nov 27 2019

...WIND ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...WIND ADVISORY HAS EXPIRED...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph.

* WHERE...Much of northern, central and southern Iowa.

* WHEN...Until 3 PM CST this afternoon.

* 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.

&&

$$

IAZ070-081-092-271915-
/O.EXP.KDMX.WI.Y.0012.000000T0000Z-191127T1800Z/
Cass-Adams-Taylor-
Including the cities of Atlantic, Corning, Bedford, Lenox, 
and New Market
1214 PM CST Wed Nov 27 2019

...WIND ADVISORY HAS EXPIRED...

Although strong winds will continue over the area, it will fall
below advisory criteria. As a result the wind advisory was allowed
to expire. Continue to use caution when driving and slow down as
even occasional strong wind gusts can make driving difficult at 
times and wind blown snow in open areas can quickly reduce 
visibility.

$$

IAZ005>007-016-017-024>026-036-045-046-272100-
/O.NEW.KDMX.WI.Y.0013.191127T1814Z-191127T2100Z/
Kossuth-Winnebago-Worth-Hancock-Cerro Gordo-Humboldt-Wright-
Franklin-Hamilton-Carroll-Greene-
Including the cities of Algona, Forest City, Lake Mills, 
Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake,
Humboldt, Eagle Grove, Clarion, Belmond, Hampton, Webster City, 
Carroll, and Jefferson
1214 PM CST Wed Nov 27 2019

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

* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph.

* WHERE...Portions of north central into west central Iowa.

* WHEN...Until 3 PM CST this afternoon.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/desmoines

FAB
1 follow-up statement
197 
WWUS73 KDMX 272100
NPWDMX

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
300 PM CST Wed Nov 27 2019

IAZ005>007-016-017-024>028-036>039-045>050-058>062-071>075-
082>086-093>097-272200-
/O.EXP.KDMX.WI.Y.0013.000000T0000Z-191127T2100Z/
Kossuth-Winnebago-Worth-Hancock-Cerro Gordo-Humboldt-Wright-
Franklin-Butler-Bremer-Hamilton-Hardin-Grundy-Black Hawk-Carroll-
Greene-Boone-Story-Marshall-Tama-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Adair-Madison-Warren-Marion-Mahaska-Union-Clarke-Lucas-
Monroe-Wapello-Ringgold-Decatur-Wayne-Appanoose-Davis-
Including the cities of Algona, Forest City, Lake Mills, 
Northwood, Manly, Garner, Britt, Kanawha, Mason City, Clear Lake,
Humboldt, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, 
Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, 
Waverly, Webster City, Iowa Falls, Eldora, Ackley, Grundy Center,
Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, 
Carroll, Jefferson, Boone, Ames, Marshalltown, Tama, Toledo, 
Traer, Dysart, Gladbrook, Guthrie Center, Panora, Bayard, Casey, 
Perry, Waukee, Adel, Des Moines, Newton, Grinnell, Greenfield, 
Stuart, Adair, Fontanelle, Winterset, Earlham, Indianola, 
Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Creston, Osceola,
Chariton, Albia, Ottumwa, Mount Ayr, Lamoni, Leon, Corydon, 
Seymour, Allerton, Humeston, Centerville, and Bloomfield
300 PM CST Wed Nov 27 2019

...WIND ADVISORY WILL EXPIRE AT 3 PM CST THIS AFTERNOON...

Expect very windy conditions into the early evening but sustained
winds and wind gusts will remain below advisory criteria.
Therefore the wind advisory will be allowed to expire at 3 PM.
Continue to use caution while driving as an occasional strong wind
gust could make driving briefly difficult.

$$

For more information from the National Weather Service visit
https://weather.gov/desmoines

FAB

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 2:52 AM CSTSpecial Weather StatementDMXButler, Franklin, Grundy, Hardin, Story53 min

Nearby

Wind Advisories in Iowa, 2019Every wind advisory in 2019

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.