Alert archive / Iowa / Wind Advisories in 2018
Wind Advisory 1, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Jan 26, 2018, 10:53 AM CST for 27 counties in Iowa. It took effect at Jan 26, 2018, 11:00 AM CST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jan 26, 2018, 10:53 AM CST (16:53 UTC)
- In effect from
- Jan 26, 2018, 11:00 AM CST
- Expired
- Jan 26, 2018, 3:59 PM CST
- In force
- 5 hr
- Issued by
- NWS Des Moines, IA
All 27 counties
Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Black Hawk County, IA, Cass County, IA, Clarke County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Guthrie County, IA, Jasper 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, Tama County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA
The radar
The Des Moines radar (KDMX), 49 km from the middle of the area, began a volume at 16:59 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
Omaha, NE (KOAX), launched 12:00Z, 4.9 hours before the alert went out and 236 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1965 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 423 m²/s²
- 0-3 km storm-relative helicity
- 359 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
851 WWUS73 KDMX 261653 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 1053 AM CST Fri Jan 26 2018 ...Strong Wind Gusts To Impact Southern and Central Iowa Through Mid-Afternoon... .Southerly winds will continue to increase through late morning hours. While sustained winds may not reach criteria, wind gusts are expected to reach 45 mph frequently and this has prompted the issuance of a wind advisory. Clouds are expected to increase from mid to late afternoon and this will limit the strong wind gusts. IAZ039-049-050-057>062-070>075-081>086-092>097-262200- /O.NEW.KDMX.WI.Y.0001.180126T1700Z-180126T2200Z/ Black Hawk-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper- Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union- Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne- Appanoose-Davis- Including the cities of Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Newton, Grinnell, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, Oskaloosa, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 1053 AM CST Fri Jan 26 2018 ...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. * TIMING...Late morning through 4 PM * WINDS...Sustained wind speeds will be from 20 to 30 mph but wind gusts will reach 45 mph. * IMPACTS...Strong wind gusts will make driving difficult, especially for high profile vehicles. 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. && $$ FAB
2 follow-up statements
434 WWUS73 KDMX 262005 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 205 PM CST Fri Jan 26 2018 ...Strong Wind Gusts to Impact a Small Portion of Southern Iowa Through Mid-Afternoon... .Clouds are moving into the area a little faster than expected and recent observations show wind gusts in most locations are dropping. Far southern Iowa is the exception with a few locations reaching 45 mph. While it will be very windy across the state through the afternoon, the advisory will be dropped for all but far southern Iowa. IAZ039-049-050-057>062-070>075-262115- /O.CAN.KDMX.WI.Y.0001.000000T0000Z-180126T2200Z/ Black Hawk-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper- Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska- Including the cities of Waterloo, Cedar Falls, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, Des Moines, Newton, Grinnell, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, Knoxville, and Oskaloosa 205 PM CST Fri Jan 26 2018 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Des Moines has cancelled the Wind Advisory. Sustained wind speeds between 20 and 30 mph with gusts to 40 mph will be common through mid afternoon but with clouds moving in, advisory criteria is not expected to be met any longer. As a result the advisory will be cancelled. Folks should still use caution as a few strong wind gusts are still possible. $$ IAZ081>086-092>097-262200- /O.CON.KDMX.WI.Y.0001.000000T0000Z-180126T2200Z/ Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur- Wayne-Appanoose-Davis- Including the cities of Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 205 PM CST Fri Jan 26 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON... * TIMING...Through 4 PM * WINDS...Sustained wind speeds will be from 25 to 35 mph but wind gusts will reach 45 mph. * IMPACTS...Strong wind gusts will make driving difficult, especially for high profile vehicles. 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. && $$ FAB
930 WWUS73 KDMX 262159 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 359 PM CST Fri Jan 26 2018 IAZ081>086-092>097-262300- /O.CAN.KDMX.WI.Y.0001.000000T0000Z-180126T2200Z/ Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur- Wayne-Appanoose-Davis- Including the cities of Corning, Creston, Osceola, Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 359 PM CST Fri Jan 26 2018 ...WIND ADVISORY WILL BE ALLOWED TO EXPIRE... The National Weather Service in Des Moines will allow the Wind Advisory to expire at 4 PM. Sustained wind speeds and wind gusts will be strong at times through the rest of the afternoon but both be below advisory criteria. $$ FAB
Nearby
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.