Alert archive / Iowa / Winter Storm Warnings in 2018
Winter Storm Warning 7, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm warning at Apr 18, 2018, 2:59 AM CDT for 6 counties in Iowa; Jackson County, Nobles County, Minnesota. It took effect at Apr 18, 2018, 4:00 AM CDT. It was in force for 14 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 18, 2018, 2:59 AM CDT (07:59 UTC)
- In effect from
- Apr 18, 2018, 4:00 AM CDT
- Expired
- Apr 18, 2018, 5:44 PM CDT
- In force
- 14 hr
- Issued by
- NWS Sioux Falls, SD
Counties Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, O'Brien County, IA, Osceola County, IA, Jackson County, MN, Nobles County, MN
The radar
The Sioux Falls radar (KFSD), 115 km from the middle of the area, began a volume at 08:02 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 18, 11:30 AM CDT | HEAVY SNOW 6 | Sutherland, IA | REPORT VIA SOCIAL MEDIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 8.0 hours before the alert went out and 226 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
- 1999 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 505 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
421 WWUS43 KFSD 180759 WSWFSD URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 259 AM CDT Wed Apr 18 2018 IAZ001-012-181600- /O.CAN.KFSD.WW.Y.0020.000000T0000Z-180418T2100Z/ /O.NEW.KFSD.WW.Y.0021.180418T0900Z-180419T0000Z/ Lyon IA-Sioux- 259 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches are expected. * WHERE...Lyon IA and Sioux Counties. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the morning commute. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MNZ071-072-SDZ040-180900- /O.CAN.KFSD.WW.Y.0020.180418T0900Z-180419T0000Z/ Lincoln MN-Lyon MN-Brookings- 259 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY IS CANCELLED... The storm system is shifting south, and thus less snow is expected through the Highway 14 corridor. Occasional light snow may still produce accumulations up to 2 inches. $$ SDZ038-039-180900- /O.CAN.KFSD.WW.Y.0020.000000T0000Z-180418T2100Z/ Beadle-Kingsbury- 259 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY IS CANCELLED... The storm system is shifting south, and thus less snow is expected through the Highway 14 corridor. Occasional light snow may still produce accumulations up to 2 inches. $$ IAZ002-003-013-014-181600- /O.UPG.KFSD.WW.Y.0020.180418T0900Z-180419T0000Z/ /O.NEW.KFSD.WS.W.0007.180418T0900Z-180419T0000Z/ Osceola-Dickinson-O'Brien-Clay IA- 259 AM CDT Wed Apr 18 2018 ...WINTER STORM WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 7 inches are expected, with locally higher amounts possible. * WHERE...Osceola, Dickinson, O'Brien and Clay IA Counties. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on difficult travel conditions, including during the morning commute. Expect significant reductions in visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous or impossible. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ021-022-181600- /O.UPG.KFSD.WW.Y.0020.000000T0000Z-180418T2100Z/ /O.NEW.KFSD.WS.W.0007.180418T0900Z-180419T0000Z/ Cherokee-Buena Vista- 259 AM CDT Wed Apr 18 2018 ...WINTER STORM WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Heavy snow expected, with brief mixed precipitation possible. Total snow accumulations of 5 to 7 inches are expected, with locally higher snowfall amounts and a glaze of ice accumulation possible. * WHERE...Cherokee and Buena Vista Counties. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on difficult travel conditions, including during the morning commute. Expect significant reductions in visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means significant amounts of snow, sleet and ice will make travel very hazardous or impossible. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ031-NEZ014-SDZ070-071-181600- /O.EXT.KFSD.WW.Y.0020.000000T0000Z-180418T1800Z/ Woodbury-Dakota-Clay SD-Union- 259 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Snow expected, possibly mixing with rain before ending. Total snow accumulations of 3 to 5 inches are expected, with locally higher amounts possible. * WHERE...In South Dakota, Clay SD and Union Counties. In Nebraska, Dakota County. In Iowa, Woodbury County. * WHEN...Until 1 PM CDT this afternoon. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the morning commute. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow, sleet or freezing rain will cause travel difficulties. Expect slippery roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ SDZ056-181600- /O.EXT.KFSD.WW.Y.0020.180418T0759Z-180418T2100Z/ Moody- 259 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Snow expected, possibly mixing with rain before ending. Total snow accumulations of 2 to 5 inches are expected. * WHERE...Moody County. * WHEN...Until 4 PM CDT this afternoon. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the morning commute. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NEZ013-SDZ050-052-057>059-063>065-068-069-181600- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180418T1800Z/ Dixon-Gregory-Jerauld-Brule-Aurora-Davison-Charles Mix-Douglas- Hutchinson-Bon Homme-Yankton- 259 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Snow expected, possibly mixing with rain before ending. Total snow accumulations of 2 to 5 inches are expected, with locally higher amounts possible. * WHERE...Portions of central, south central and southeast South Dakota and northeast Nebraska. * WHEN...Until 1 PM CDT this afternoon. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the morning commute. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow, sleet or freezing rain will cause travel difficulties. Expect slippery roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ020-032-SDZ053>055-060>062-066-067-181600- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180418T2100Z/ Plymouth-Ida-Sanborn-Miner-Lake-Hanson-McCook-Minnehaha-Turner- Lincoln SD- 259 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Snow expected, possibly mixing with rain before ending. Total snow accumulations of 2 to 5 inches are expected, with locally higher amounts possible south of Highway 18. * WHERE...Portions of east central and southeast South Dakota and northwest and west central Iowa. * WHEN...Until 4 PM CDT this afternoon. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the morning commute. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow, sleet or freezing rain will cause travel difficulties. Expect slippery roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MNZ080-081-089-090-097-098-181600- /O.CON.KFSD.WW.Y.0020.180418T0900Z-180419T0000Z/ Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock- 259 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches are expected, with locally higher amounts possible toward the Interstate 90 corridor. * WHERE...Portions of southwest Minnesota. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the morning commute. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
3 follow-up statements
297 WWUS43 KFSD 181640 WSWFSD URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 1140 AM CDT Wed Apr 18 2018 MNZ089-090-190000- /O.UPG.KFSD.WW.Y.0020.000000T0000Z-180419T0000Z/ /O.EXA.KFSD.WS.W.0007.000000T0000Z-180419T0000Z/ Nobles-Jackson- 1140 AM CDT Wed Apr 18 2018 ...WINTER STORM WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Heavy snow. Total snow accumulations of 6 to 9 inches are expected. * WHERE...Nobles and Jackson Counties. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on difficult travel conditions. Expect significant reductions in visibility at times. Accumulating snow will continue into the early evening hours. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous or impossible. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ002-003-013-014-021-022-190000- /O.CON.KFSD.WS.W.0007.000000T0000Z-180419T0000Z/ Osceola-Dickinson-O'Brien-Clay IA-Cherokee-Buena Vista- 1140 AM CDT Wed Apr 18 2018 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Heavy snow. Total snow accumulations of 6 to 9 inches are expected. * WHERE...Portions of northwest Iowa. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on difficult travel conditions. Expect significant reductions in visibility at times. Accumulating snow will continue through the afternoon and possibly into the early evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous or impossible. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ SDZ050-052-057>059-063>065-068>071-181800- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180418T1800Z/ Gregory-Jerauld-Brule-Aurora-Davison-Charles Mix-Douglas- Hutchinson-Bon Homme-Yankton-Clay SD-Union- 1140 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Snow. Total snow accumulations of 5 to 8 inches are expected. Locally heavier amounts are possible especially in higher terrained area. * WHERE...Portions of central, south central and southeast South Dakota. * WHEN...Until 1 PM CDT this afternoon. * ADDITIONAL DETAILS...Plan on difficult travel conditions. Expect reduced visibilities. Accumulating snow will rapidly diminish through the afternoon hours. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ SDZ060>062-066-067-182100- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180418T2100Z/ Hanson-McCook-Minnehaha-Turner-Lincoln SD- 1140 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Snow. Total snow accumulations of 5 to 8 inches are expected. Locally higher amounts may be possible especially in the higher terrained areas. * WHERE...Hanson, McCook, Minnehaha, Turner and Lincoln SD Counties. * WHEN...Until 4 PM CDT this afternoon. * ADDITIONAL DETAILS...Plan on difficult travel conditions. Expect reduced visibilities. Accumulating snow will rapidly diminish toward mid afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ001-012-190000- /O.CON.KFSD.WW.Y.0021.000000T0000Z-180419T0000Z/ Lyon IA-Sioux- 1140 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Snow. Total snow accumulations of 5 to 8 inches are expected. Locally higher amounts are possible especially in the higher terrained areas. * WHERE...Lyon IA and Sioux Counties. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on difficult travel conditions. Expect reduced visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MNZ098-190000- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180419T0000Z/ Rock- 1140 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Snow. Total snow accumulations of 5 to 8 inches are expected. * WHERE...Rock County. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on difficult travel conditions. Expect reduced visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MNZ080-081-097-190000- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180419T0000Z/ Murray-Cottonwood-Pipestone- 1140 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Snow. Total snow accumulations of 2 to 5 inches are expected with the higher amounts approaching Interstate 90. * WHERE...Murray, Cottonwood and Pipestone Counties. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on slick road conditions. Expect reduced visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ SDZ053>056-182100- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180418T2100Z/ Sanborn-Miner-Lake-Moody- 1140 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Snow. Total snow accumulations of 2 to 5 inches are expected with the higher amounts approaching Interstate 90. * WHERE...Sanborn, Miner, Lake and Moody Counties. * WHEN...Until 4 PM CDT this afternoon. * ADDITIONAL DETAILS...Plan on slick road conditions. Expect reduced visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ020-032-182100- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180418T2100Z/ Plymouth-Ida- 1140 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Snow. Total snow accumulations of 3 to 6 inches are expected. Locally heavier amounts are possible in northern Plymouth county. * WHERE...Plymouth and Ida Counties. * WHEN...Until 4 PM CDT this afternoon. * ADDITIONAL DETAILS...Plan on difficult travel conditions. Expect reduced visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ031-NEZ013-014-181800- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180418T1800Z/ Woodbury-Dixon-Dakota- 1140 AM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Snow. Total snow accumulations of 2 to 4 inches are expected. * WHERE...In Nebraska, Dixon and Dakota Counties. In Iowa, Woodbury County. * WHEN...Until 1 PM CDT this afternoon. * ADDITIONAL DETAILS...Plan on slippery road conditions. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
475 WWUS43 KFSD 182007 WSWFSD URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 307 PM CDT Wed Apr 18 2018 IAZ020-032-SDZ053>056-060>062-066-067-182115- /O.CAN.KFSD.WW.Y.0020.000000T0000Z-180418T2100Z/ Plymouth-Ida-Sanborn-Miner-Lake-Moody-Hanson-McCook-Minnehaha- Turner-Lincoln SD- 307 PM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY IS CANCELLED... Some flurries or sprinkles may linger late this afternoon, but accumulating snow is over. Be alert for slippery road conditions on the afternoon commute from work or school. $$ IAZ002-003-013-014-021-022-190000- /O.CON.KFSD.WS.W.0007.000000T0000Z-180419T0000Z/ Osceola-Dickinson-O'Brien-Clay IA-Cherokee-Buena Vista- 307 PM CDT Wed Apr 18 2018 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Diminishing snow. Additional snow accumulations of inch or less. * WHERE...Portions of northwest Iowa. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on difficult travel conditions, including during the evening commute. Expect reductions in visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous or impossible. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MNZ089-090-190000- /O.CON.KFSD.WS.W.0007.000000T0000Z-180419T0000Z/ Nobles-Jackson- 307 PM CDT Wed Apr 18 2018 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Diminishing snow. Additional snow accumulations of an inch or less. * WHERE...Nobles and Jackson Counties. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on difficult travel conditions, including during the evening commute. Expect reductions in visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous or impossible. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IAZ001-012-190000- /O.CON.KFSD.WW.Y.0021.000000T0000Z-180419T0000Z/ Lyon IA-Sioux- 307 PM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Diminishing snow. Additional snow accumulations of less than an inch. * WHERE...Lyon IA and Sioux Counties. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the evening commute. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MNZ098-190000- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180419T0000Z/ Rock- 307 PM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Diminishing snow. Additional snow accumulations of less than an inch. * WHERE...Rock County. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the evening commute. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MNZ080-081-097-190000- /O.CON.KFSD.WW.Y.0020.000000T0000Z-180419T0000Z/ Murray-Cottonwood-Pipestone- 307 PM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Diminishing snow. Additional snow accumulations of less than an inch. * WHERE...Murray, Cottonwood and Pipestone Counties. * WHEN...Until 7 PM CDT this evening. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the evening commute. Expect reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
061 WWUS43 KFSD 182244 WSWFSD URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 544 PM CDT Wed Apr 18 2018 IAZ002-003-013-014-021-022-MNZ089-090-182345- /O.CAN.KFSD.WS.W.0007.000000T0000Z-180419T0000Z/ Osceola-Dickinson-O'Brien-Clay IA-Cherokee-Buena Vista-Nobles- Jackson- 544 PM CDT Wed Apr 18 2018 ...WINTER STORM WARNING IS CANCELLED... Light snow or flurries will continue through the early evening, however little to no additional accumulation is expected. Therefore the winter storm warning is cancelled. $$ IAZ001-012-182345- /O.CAN.KFSD.WW.Y.0021.000000T0000Z-180419T0000Z/ Lyon IA-Sioux- 544 PM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY IS CANCELLED... Light snow or flurries will continue through the early evening, however little to no additional accumulation is expected. Therefore the winter weather advisory is cancelled. $$ MNZ080-081-097-098-182345- /O.CAN.KFSD.WW.Y.0020.000000T0000Z-180419T0000Z/ Murray-Cottonwood-Pipestone-Rock- 544 PM CDT Wed Apr 18 2018 ...WINTER WEATHER ADVISORY IS CANCELLED... Light snow or flurries will continue through the early evening, however little to no additional accumulation is expected. Therefore the winter weather advisory is cancelled. $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 2:59 AM CDT | Winter Weather Advisory | FSD | Lyon, Sioux | 15 hr |
| Apr 18, 10:02 AM CDT | River Flood Warning | FSD | Lyon | 7 days |
| Apr 18, 10:02 AM CDT | River Flood Warning | FSD | Clay | 7 days |
| Apr 18, 10:02 AM CDT | River Flood Warning | FSD | Cherokee | 3 days |
Nearby
Winter Storm Warnings in Iowa, 2018Winter Storm Warnings in Minnesota, 2018Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.