Alert archive / Iowa / High Wind Watches in 2019

High Wind Watch 1, NWS Quad Cities, IA

February 22, 201921 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this high wind watch at Feb 22, 2019, 2:53 PM CST for 21 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Feb 24, 2019, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Feb 22, 2019, 2:53 PM CST (20:53 UTC)
In effect from: Feb 24, 2019, 12:00 AM CST
Expired: Feb 23, 2019, 3:30 AM CST
In force
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 20:51 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, 8.9 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1804 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind watch 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 high wind watch went out at Feb 22, 2:50 PM CST, 3 minutes earlier.

Area forecast discussion, Feb 22, 2:50 PM CST, 3 minutes before

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Hazardous weather outlook, Feb 22, 5:03 AM CST, 9 hours 50 minutes before

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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 22, 4:16 AM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more	30 hr
Feb 22, 10:26 AM CST	River Flood Watch	DVN	Clinton, Scott	4 days
Feb 22, 10:26 AM CST	River Flood Watch	DVN	Johnson, Washington	4 days
Feb 22, 10:26 AM CST	River Flood Watch	DVN	Des Moines, Henry, Lee	5 days
Feb 22, 10:26 AM CST	River Flood Watch	DVN	Henry, Rock Island, Whiteside	21 days
Feb 22, 10:26 AM CST	River Flood Watch	DVN	Henry, Rock Island	21 days

Nearby

High Wind Watches in Iowa, 2019 High Wind Watches in Illinois, 2019 High Wind Watches in Missouri, 2019 Every high wind watch in 2019

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.