Alert archive / Wisconsin / Flood Watches in 2013

Flood Watch 1, NWS Green Bay, WI

April 8, 201313 counties in Wisconsin

NWS Green Bay, WI issued this flood watch at Apr 8, 2013, 3:32 PM CDT for 13 counties in Wisconsin. It took effect at Apr 9, 2013, 12:00 PM CDT. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued: Apr 8, 2013, 3:32 PM CDT (20:32 UTC)
In effect from: Apr 9, 2013, 12:00 PM CDT
Expired: Apr 10, 2013, 1:50 PM CDT
In force: 26 hr
Issued by: NWS Green Bay, WI
Flood severity: None

Counties Brown County, WI, Calumet County, WI, Kewaunee County, WI, Manitowoc County, WI, Marathon County, WI, Oconto County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 47 km from the middle of the area, began a volume at 20:32 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.5 hours before the alert went out and 47 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: 859 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 156 m²/s²
0-3 km storm-relative helicity: 228 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 Green Bay, WI wrote its last area forecast discussion before this flood watch went out at Apr 8, 12:50 PM CDT, 2 hours 42 minutes earlier.

Area forecast discussion, Apr 8, 12:50 PM CDT, 2 hours 42 minutes before

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Hazardous weather outlook, Apr 8, 11:38 AM CDT, 3 hours 54 minutes before

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The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 7, 9:55 PM CDT	River Flood Warning	GRB	Wood	4 days
Apr 8, 4:22 PM CDT	Small Craft Advisory	GRB		41 hr
Apr 8, 5:20 PM CDT	River Flood Advisory	GRB	Marathon	36 hr

Nearby

Flood Watches in Wisconsin, 2013 Every flood watch in 2013

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.