Alert archive / Iowa / Wind Advisories in 2018
Wind Advisory 1, NWS La Crosse, WI
NWS La Crosse, WI issued this wind advisory at Feb 18, 2018, 3:30 AM CST for 4 counties in Minnesota; 6 counties in Iowa. It took effect at Feb 18, 2018, 9:00 AM CST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 18, 2018, 3:30 AM CST (09:30 UTC)
- In effect from
- Feb 18, 2018, 9:00 AM CST
- Expired
- Feb 18, 2018, 3:00 PM CST
- In force
- 6 hr
- Issued by
- NWS La Crosse, WI
Counties Chickasaw County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Mower County, MN, Olmsted County, MN
The radar
The La Crosse radar (KARX), 106 km from the middle of the area, began a volume at 09:34 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, 9.5 hours before the alert went out and 184 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
- 1747 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
712 WWUS73 KARX 180930 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 330 AM CST Sun Feb 18 2018 ...Gusty South Winds Late Morning into Mid Afternoon... .Gusty south winds of 20 to 30 mph, with gusts to 45 mph, are expected from mid morning through mid afternoon across much of southeast Minnesota into northeast Iowa. Winds this strong will make travel difficult for high-profile and lightweight vehicles, particularly on west to east oriented roadways. IAZ008>010-018-019-029-MNZ086-087-094-095-181800- /O.NEW.KARX.WI.Y.0001.180218T1500Z-180218T2100Z/ Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Dodge-Olmsted- Mower-Fillmore- Including the cities of Osage, Cresco, Decorah, Charles City, New Hampton, Oelwein, Dodge Center, Rochester, Austin, and Preston 330 AM CST Sun Feb 18 2018 ...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 3 PM CST THIS AFTERNOON... The National Weather Service in La Crosse has issued a Wind Advisory, which is in effect from 9 AM this morning to 3 PM CST this afternoon. * TIMING...Mid morning through mid afternoon. * WINDS...South winds 20 to 30 mph, gusting to 45 mph. * IMPACTS...Difficult travel for high-profile and lightweight vehicles, especially on west to east oriented roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph or wind gusts of 45 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ Lawrence
4 follow-up statements
099 WWUS73 KARX 181311 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 711 AM CST Sun Feb 18 2018 ...Gusty South Winds Late Morning into Mid Afternoon... .As of 7 am, winds across the open country areas along and west of a Rochester Minnesota to New Hampton Iowa line had quickly increased into the 15 to 20 mph range. Winds will continue to increase this morning, becoming quite strong and gusty after 9 am. Gusty south winds of 20 to 30 mph, with gusts to 45 mph, are expected across the higher terrain, open country areas of southeast Minnesota and northeast Iowa between 9 am and 3 pm. Winds this strong will make travel difficult for high-profile and lightweight vehicles, particularly on west to east oriented roadways. IAZ008>010-018-019-029-MNZ086-087-094-095-182100- /O.CON.KARX.WI.Y.0001.180218T1500Z-180218T2100Z/ Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Dodge-Olmsted- Mower-Fillmore- Including the cities of Osage, Cresco, Decorah, Charles City, New Hampton, Oelwein, Dodge Center, Rochester, Austin, and Preston 711 AM CST Sun Feb 18 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * TIMING...Mid morning through mid afternoon. * WINDS...South winds 20 to 30 mph, gusting to 45 mph. * IMPACTS...Difficult travel for high-profile and lightweight vehicles, especially on west to east oriented roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph or wind gusts of 45 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ RRS
551 WWUS73 KARX 181535 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 935 AM CST Sun Feb 18 2018 ...Strong Southerly Winds Late Morning into Mid Afternoon... .Winds are rapidly increasing across parts of southeast Minnesota and northeast Iowa this morning. At 9 AM CST, Rochester, MN reported a gust of 37 mph. Expect sustained winds to reach 25 to 35 mph, with gusts to 45 mph, especially across higher terrain and open areas. Peak winds are expected around the noon hour. Winds this strong will make travel difficult for high-profile and lightweight vehicles, particularly on west to east oriented roadways. Lightweight objects will be blow around. IAZ008>010-018-019-029-MNZ086-087-094-095-182100- /O.CON.KARX.WI.Y.0001.000000T0000Z-180218T2100Z/ Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Dodge-Olmsted- Mower-Fillmore- Including the cities of Osage, Cresco, Decorah, Charles City, New Hampton, Oelwein, Dodge Center, Rochester, Austin, and Preston 935 AM CST Sun Feb 18 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * TIMING...Mid morning through mid afternoon. * WINDS...South winds 25 to 35 mph, gusting to 45 mph. * IMPACTS...Difficult travel for high-profile and lightweight vehicles, especially on west to east oriented roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph or wind gusts of 45 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ Hollan
738 WWUS73 KARX 181825 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 1225 PM CST Sun Feb 18 2018 ...Strong Southerly Winds Early This Afternoon... .Southerly winds at 25 to 35 mph with gusts of 40 to 50 mph have been reported across the higher terrain and open areas of southeast Minnesota and northeast Iowa. Expect these winds to persist through mid afternoon and then gradually diminish towards sunset. Winds this strong will make travel difficult for high-profile and lightweight vehicles, particularly on west to east oriented roadways. Lightweight objects will be blown around. IAZ008>010-018-019-029-MNZ086-087-094-095-182100- /O.CON.KARX.WI.Y.0001.000000T0000Z-180218T2100Z/ Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Dodge-Olmsted- Mower-Fillmore- Including the cities of Osage, Cresco, Decorah, Charles City, New Hampton, Oelwein, Dodge Center, Rochester, Austin, and Preston 1225 PM CST Sun Feb 18 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * TIMING...Through mid afternoon. * WINDS...South winds 25 to 35 mph, with gusts of 40 to 50 mph. * IMPACTS...Difficult travel for high-profile and lightweight vehicles, especially on west to east oriented roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph or wind gusts of 45 mph or stronger are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ Hollan
741 WWUS73 KARX 182058 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 258 PM CST Sun Feb 18 2018 ...Wind Speeds Decreasing Through the Rest of the Afternoon... .Wind speeds have started to decrease, though some stronger gusts near 40 mph are still possible in open areas through the remainder of the afternoon. This could still create some difficult travel for lightweight and high-profile vehicles. Wind speeds will diminish greatly toward sunset. IAZ008>010-018-019-029-MNZ086-087-094-095-182200- /O.EXP.KARX.WI.Y.0001.000000T0000Z-180218T2100Z/ Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Dodge-Olmsted- Mower-Fillmore- Including the cities of Osage, Cresco, Decorah, Charles City, New Hampton, Oelwein, Dodge Center, Rochester, Austin, and Preston 258 PM CST Sun Feb 18 2018 ...WIND ADVISORY WILL EXPIRE AT 3 PM CST THIS AFTERNOON... Wind gusts in most areas have decreased to 40 mph or less and will continue to decrease through the remainder of the afternoon. $$ CA
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 3:48 AM CST | Winter Storm Watch | ARX | Fillmore, Houston, Winona | 22 hr |
| Feb 18, 3:48 AM CST | Winter Weather Advisory | ARX | Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more | 58 hr |
Nearby
Wind Advisories in Iowa, 2018Wind Advisories in Minnesota, 2018Every wind advisory in 2018
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.