Alert archive / Wisconsin / Flood Watches in 2015

Flood Watch 1, NWS Milwaukee, WI

June 11, 201520 counties in Wisconsin

NWS Milwaukee, WI issued this flood watch at Jun 11, 2015, 3:12 PM CDT for 20 counties in Wisconsin. It took effect at Jun 11, 2015, 5:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jun 11, 2015, 3:12 PM CDT (20:12 UTC)
In effect from: Jun 11, 2015, 5:00 PM CDT
Expired: Jun 12, 2015, 2:23 AM CDT
In force: 9 hr
Issued by: NWS Milwaukee, WI
Flood severity: None

Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Marquette County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Rock County, WI, Sauk County, WI, Sheboygan County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 31 km from the middle of the area, began a volume at 20:14 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 12:00Z, 8.2 hours before the alert went out and 220 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: 20 J/kg
Mixed-layer CIN: -459 J/kg
Mixed-layer LCL: 1808 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 197 m²/s²
0-3 km storm-relative helicity: 190 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 flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Milwaukee, WI wrote its last area forecast discussion before this flood watch went out at Jun 11, 10:22 AM CDT, 4 hours 50 minutes earlier.

Area forecast discussion, Jun 11, 10:22 AM CDT, 4 hours 50 minutes before

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Hazardous weather outlook, Jun 11, 5:58 AM CDT, 9 hours 14 minutes before

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Nearby

Flood Watches in Wisconsin, 2015 Every flood watch 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.