Alert archive / Iowa / Wind Advisories in 2018
Wind Advisory 5, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Apr 14, 2018, 1:31 AM CDT for 12 counties in Iowa. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Apr 14, 2018, 1:31 AM CDT (06:31 UTC)
- Expired
- Apr 14, 2018, 4:00 PM CDT
- In force
- 14 hr
- Issued by
- NWS Des Moines, IA
Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA, Dallas County, IA, Grundy County, IA, Hardin County, IA, Jasper County, IA, Marshall County, IA, Polk County, IA, Poweshiek County, IA, Story County, IA, Tama County, IA
The radar
The Des Moines radar (KDMX), 77 km from the middle of the area, began a volume at 06:35 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 00:00Z, 6.5 hours before the alert went out and 212 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
- 834 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 524 m²/s²
- 0-3 km storm-relative helicity
- 713 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
398 WWUS73 KDMX 140631 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 131 AM CDT Sat Apr 14 2018 ...Strong Winds over Northeast and Eastern Iowa Through Mid Afternoon Today... .Strong low pressure over southeast Nebraska will move east today and continue to produce strong winds across the region. Winds will likely remain strong through the morning to mid afternoon hours this Saturday. Tonight the winds will remain brisk and wintry precipitation will accompany the brisk winds late tonight. IAZ027-028-037>039-048>050-141445- /O.NEW.KDMX.WI.Y.0005.180414T0631Z-180414T2100Z/ Butler-Bremer-Hardin-Grundy-Black Hawk-Story-Marshall-Tama- Including the cities of Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Ames, Marshalltown, Tama, Toledo, Traer, Dysart, and Gladbrook 131 AM CDT Sat Apr 14 2018 ...WIND ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... The National Weather Service in Des Moines has issued a Wind Advisory, which is in effect until 4 PM CDT this afternoon. * TIMING...Now through mid-afternoon Saturday. Though winds will diminish somewhat at that time...brisk winds are expected the remainder of the night. * WINDS...East to Northeast Winds of 25 to 40 mph with gusts to near 50 mph at times. * IMPACTS...Travel may be difficult for high profile or lightweight vehicles. The strong winds may produce small tree and limb damage and displace garbage cans and lawn furniture. Isolated power outages may occur as well. 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. && $$ REV
4 follow-up statements
968 WWUS73 KDMX 140902 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 402 AM CDT Sat Apr 14 2018 ...Strong Winds over Northeast and Eastern Iowa Through Mid Afternoon Today... .Strong low pressure over southeast Nebraska will move east today and continue to produce strong winds across the region. Winds will likely remain strong through the mid afternoon hours this Saturday. Tonight the winds will remain brisk and wintry precipitation will accompany the brisk winds late tonight. IAZ059>062-141715- /O.EXA.KDMX.WI.Y.0005.000000T0000Z-180414T2100Z/ Dallas-Polk-Jasper-Poweshiek- Including the cities of Perry, Waukee, Adel, Des Moines, Newton, and Grinnell 402 AM CDT Sat Apr 14 2018 ...WIND ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... The National Weather Service in Des Moines has issued a Wind Advisory, which is in effect until 4 PM CDT this afternoon. * TIMING...Now through mid-afternoon Saturday. Though winds will diminish somewhat at that time...brisk winds are expected the remainder of the night. * WINDS...East to Northeast Winds of 25 to 35 mph with gusts to near 45 mph at times. * IMPACTS...Travel may be difficult for high profile or lightweight vehicles. The strong winds may produce small tree and limb damage and displace garbage cans and lawn furniture. Isolated power outages may occur as well. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph or wind gusts of 45 mph or greater are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ IAZ027-028-037>039-048>050-141715- /O.CON.KDMX.WI.Y.0005.000000T0000Z-180414T2100Z/ Butler-Bremer-Hardin-Grundy-Black Hawk-Story-Marshall-Tama- Including the cities of Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Ames, Marshalltown, Tama, Toledo, Traer, Dysart, and Gladbrook 402 AM CDT Sat Apr 14 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * TIMING...Now through mid-afternoon Saturday. Though winds will diminish somewhat at that time...brisk winds are expected the remainder of the night. * WINDS...East to Northeast Winds of 25 to 40 mph with gusts to near 50 mph at times. * IMPACTS...Travel may be difficult for high profile or lightweight vehicles. The strong winds may produce small tree and limb damage and displace garbage cans and lawn furniture. Isolated power outages may occur as well. 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. && $$ REV
692 WWUS73 KDMX 141245 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 745 AM CDT Sat Apr 14 2018 ...Strong Wind over Northeast and Eastern Iowa Through Mid Afternoon Today... .Strong low pressure will track east across southern Iowa and northern Missouri today and continue to produce strong winds across the region through at least this afternoon. IAZ027-028-037>039-048>050-059>062-142045- /O.CON.KDMX.WI.Y.0005.000000T0000Z-180414T2100Z/ Butler-Bremer-Hardin-Grundy-Black Hawk-Story-Marshall-Tama-Dallas- Polk-Jasper-Poweshiek- Including the cities of Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Perry, Waukee, Adel, Des Moines, Newton, and Grinnell 745 AM CDT Sat Apr 14 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * TIMING...Through mid-afternoon. The wind will also remain brisk through tonight but should be below advisory criteria. * WINDS...East to northeast winds of 25 to 35 mph with gusts to near 45 mph at times. * IMPACTS...Travel may be difficult for high profile or lightweight vehicles. The strong winds may produce small tree and limb damage and displace garbage cans and lawn furniture. Isolated power outages may occur as well. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 mph or wind gusts of 45 mph or greater are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ FAB
810 WWUS73 KDMX 141649 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 1149 AM CDT Sat Apr 14 2018 ...Strong Winds will persist Today... .Strong and gusty winds will continue today. IAZ027-028-037>039-048>050-059>062-142100- /O.CON.KDMX.WI.Y.0005.000000T0000Z-180414T2100Z/ Butler-Bremer-Hardin-Grundy-Black Hawk-Story-Marshall-Tama-Dallas- Polk-Jasper-Poweshiek- Including the cities of Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Perry, Waukee, Adel, Des Moines, Newton, and Grinnell 1149 AM CDT Sat Apr 14 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WINDS...East to northeast winds of 25 to 35 mph with gusts to near 50 mph at times. * IMPACTS...Travel may be difficult for high profile or lightweight vehicles. The strong winds may produce small tree and limb damage and displace garbage cans and lawn furniture. Isolated power outages may occur as well. 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. && $$
275 WWUS73 KDMX 142104 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 404 PM CDT Sat Apr 14 2018 ...Winds have Diminished across the area... IAZ027-028-037>039-048>050-059>062-142215- /O.EXP.KDMX.WI.Y.0005.000000T0000Z-180414T2100Z/ Butler-Bremer-Hardin-Grundy-Black Hawk-Story-Marshall-Tama-Dallas- Polk-Jasper-Poweshiek- Including the cities of Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Perry, Waukee, Adel, Des Moines, Newton, and Grinnell 404 PM CDT Sat Apr 14 2018 ...WIND ADVISORY HAS EXPIRED... The wind will remain gusty this afternoon, however have fallen below advisory criteria. Additional gusty winds will arrive tonight. A portion of the area is included in Winter Weather Advisories overnight. $$
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 7:05 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 40 min |
| Apr 13, 7:18 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 42 min |
| Apr 13, 7:23 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Hardin, Marshall, Story | 52 min |
| Apr 13, 7:49 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Madison, Union | 41 min |
| Apr 13, 7:52 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Marshall, Story, Wright | 39 min |
| Apr 13, 7:59 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 36 min |
| Apr 13, 8:19 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Cerro Gordo, Franklin, Grundy | 41 min |
| Apr 13, 8:32 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison, Union | 37 min |
| Apr 13, 8:43 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 36 min |
| Apr 14, 6:52 AM CDT | River Flood Warning | DMX | Cerro Gordo, Floyd, Worth | 11 hr |
| Apr 14, 10:42 AM CDT | River Flood Warning | DMX | Black Hawk | 12 days |
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.