Alert archive / Iowa / Wind Chill Advisories in 2015
Wind Chill Advisory 8, NWS Quad Cities, IA
NWS Quad Cities, IA issued this wind chill advisory at Feb 26, 2015, 3:14 PM CST for 21 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Feb 26, 2015, 9:07 PM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 26, 2015, 3:14 PM CST (21:14 UTC)
- In effect from
- Feb 26, 2015, 9:07 PM CST
- Expired
- Feb 27, 2015, 9:00 AM CST
- In force
- 12 hr
- Issued by
- NWS Quad Cities, IA
All 36 counties
Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 21:19 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
Lincoln, IL (KILX), launched 12:00Z, 9.2 hours before the alert went out and 251 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
- 550 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Quad Cities, IA wrote its last area forecast discussion before this wind chill advisory went out at Feb 26, 11:22 AM CST, 3 hours 52 minutes earlier.
Area forecast discussion, Feb 26, 11:22 AM CST, 3 hours 52 minutes before
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</html>Hazardous weather outlook, Feb 26, 10:20 AM CST, 4 hours 54 minutes before
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</html>In the hours before
Local storm report, Feb 26, 9:28 AM CST, 5 hours 46 minutes before
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</html>Local storm report, Feb 26, 11:13 AM CST, 4 hours 1 minute before
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</html>Local storm report, Feb 26, 11:14 AM CST, 4 hours before
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</html>Local storm report, Feb 26, 11:23 AM CST, 3 hours 51 minutes before
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</html>Nearby
Wind Chill Advisories in Iowa, 2015Wind Chill Advisories in Illinois, 2015Wind Chill Advisories in Missouri, 2015Every wind chill advisory in 2015
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.