Alert archive / Iowa / Wind Advisories in 2017
Wind Advisory 8, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Nov 20, 2017, 3:33 PM CST for 7 counties in Iowa. It took effect at Nov 21, 2017, 6:00 AM CST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Nov 20, 2017, 3:33 PM CST (21:33 UTC)
- In effect from
- Nov 21, 2017, 6:00 AM CST
- Expired
- Nov 21, 2017, 1:20 PM CST
- In force
- 7 hr
- Issued by
- NWS Des Moines, IA
Counties Cerro Gordo County, IA, Emmet County, IA, Hancock County, IA, Kossuth County, IA, Palo Alto County, IA, Winnebago County, IA, Worth County, IA
The radar
The Des Moines radar (KDMX), 167 km from the middle of the area, began a volume at 21:38 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 12:00Z, 9.6 hours before the alert went out and 183 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
- 2232 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 222 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
607 WWUS73 KDMX 202133 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 333 PM CST Mon Nov 20 2017 ...Gusty winds expected Tuesday... .A cold front will move through Iowa tonight into Tuesday and will bring gusty northwest winds to the state. IAZ004>007-016-017-210545- /O.NEW.KDMX.WI.Y.0008.171121T1200Z-171121T1900Z/ Emmet-Kossuth-Winnebago-Worth-Hancock-Cerro Gordo- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, and Clear Lake 333 PM CST Mon Nov 20 2017 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 1 PM CST TUESDAY... The National Weather Service in Des Moines has issued a Wind Advisory, which is in effect from 6 AM to 1 PM CST Tuesday. * TIMING...Tuesday with the strongest winds in the morning. * WINDS...Northwest winds 25 to 30 mph with gusts near 45 mph. * IMPACTS...Travel may be hazardous, especially for high profile vehicles. Lightweight unsecured objects may be blown around. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$
4 follow-up statements
798 WWUS73 KDMX 210325 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 925 PM CST Mon Nov 20 2017 ...Gusty winds expected Tuesday... .A cold front will move through Iowa tonight into Tuesday and will bring gusty northwest winds to the state. IAZ004>007-016-017-211300- /O.CON.KDMX.WI.Y.0008.171121T1200Z-171121T1900Z/ Emmet-Kossuth-Winnebago-Worth-Hancock-Cerro Gordo- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, and Clear Lake 925 PM CST Mon Nov 20 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 1 PM CST TUESDAY... * TIMING...Tuesday with the strongest winds in the morning. * WINDS...Northwest winds 25 to 30 mph with gusts near 45 mph. * IMPACTS...Travel may be hazardous, especially for high profile vehicles. Lightweight unsecured objects may be blown around. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ Ansorge
321 WWUS73 KDMX 210946 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 346 AM CST Tue Nov 21 2017 ...Gusty winds expected Tuesday... .Strong northwesterly winds are expected to begin to impact Iowa, especially northern Iowa, around sunrise this morning and persist into the afternoon hours. IAZ015-212000- /O.EXB.KDMX.WI.Y.0008.171121T1200Z-171121T2000Z/ Palo Alto- Including the city of Emmetsburg 346 AM CST Tue Nov 21 2017 ...WIND ADVISORY IN EFFECT UNTIL 2 PM CST THIS AFTERNOON... The National Weather Service in Des Moines has issued a Wind Advisory, which is in effect until 2 PM CST this afternoon. * TIMING...From around sunrise to this afternoon, with the strongest winds occurring during the morning hours. * WINDS...Northwest at 25 to 30 mph, with gusts near 45 mph. * IMPACTS...Travel may be hazardous, especially for high profile vehicles. Lightweight unsecured objects may be blown around. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ IAZ004>007-016-017-212000- /O.EXT.KDMX.WI.Y.0008.171121T1200Z-171121T2000Z/ Emmet-Kossuth-Winnebago-Worth-Hancock-Cerro Gordo- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Garner, Britt, Kanawha, Mason City, and Clear Lake 346 AM CST Tue Nov 21 2017 ...WIND ADVISORY NOW IN EFFECT UNTIL 2 PM CST THIS AFTERNOON... * TIMING...From around sunrise to this afternoon, with the strongest winds occurring during the morning hours. * WINDS...Northwest at 25 to 30 mph, with gusts near 45 mph. * IMPACTS...Travel may be hazardous, especially for high profile vehicles. Lightweight unsecured objects may be blown around. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ Kotenberg
544 WWUS73 KDMX 211327 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 727 AM CST Tue Nov 21 2017 ...Gusty Winds to Continue Today... .Strong northwesterly winds have already brought wind gusts of 40 mph to Ames, and wind gusts of 43 mph to Estherville. These strong winds will become more widespread across central Iowa and will persist into the afternoon hours. IAZ004>007-015>017-212000- /O.CON.KDMX.WI.Y.0008.000000T0000Z-171121T2000Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Mason City, and Clear Lake 727 AM CST Tue Nov 21 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST THIS AFTERNOON... * TIMING...Through this afternoon, with the strongest winds occurring during the late morning hours. * WINDS...Northwest at 25 to 30 mph, with gusts near 45 mph. * IMPACTS...Travel may be hazardous, especially for high profile vehicles. Lightweight unsecured objects may be blown around. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ Kotenberg
585 WWUS73 KDMX 211920 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 120 PM CST Tue Nov 21 2017 ...The Wind will continue to diminish this afternoon... IAZ004>007-015>017-212030- /O.CAN.KDMX.WI.Y.0008.000000T0000Z-171121T2000Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Including the cities of Estherville, Algona, Forest City, Lake Mills, Northwood, Manly, Emmetsburg, Garner, Britt, Kanawha, Mason City, and Clear Lake 120 PM CST Tue Nov 21 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Des Moines has cancelled the Wind Advisory. The wind has fallen below advisory criteria, therefore, the wind advisory has been cancelled. $$
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.