Alert archive / Wisconsin / Flood Watches in 2008

Flood Watch 1, NWS Green Bay, WI

March 30, 20087 counties in Wisconsin

NWS Green Bay, WI issued this flood watch at Mar 30, 2008, 5:13 AM CDT for 7 counties in Wisconsin. It took effect at Mar 31, 2008, 10:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Mar 30, 2008, 5:13 AM CDT (10:13 UTC)
In effect from: Mar 31, 2008, 10:00 AM CDT
Expired: Mar 31, 2008, 2:52 PM CDT
In force: 5 hr
Issued by: NWS Green Bay, WI
Flood severity: None

Counties Brown County, WI, Calumet County, WI, Kewaunee County, WI, Manitowoc County, WI, Outagamie County, WI, Waushara County, WI, Winnebago County, WI

The radar

The Green Bay radar (KGRB), 30 km from the middle of the area, began a volume at 10:15 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 00:00Z, 10.2 hours before the alert went out and 29 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: 2049 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 180 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 Mar 30, 4:28 AM CDT, 45 minutes earlier.

Area forecast discussion, Mar 30, 4:28 AM CDT, 45 minutes before

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Hazardous weather outlook, Mar 29, 3:43 PM CDT, 13 hours 30 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
Mar 30, 4:49 AM CDT	Winter Storm Watch	GRB	Florence, Forest, Langlade, Lincoln, Marinette, Oneida and 1 more	11 hr
Mar 30, 3:50 PM CDT	Winter Storm Warning	GRB	Florence, Forest, Langlade, Lincoln, Marinette, Oneida and 1 more	39 hr
Mar 30, 3:50 PM CDT	Winter Weather Advisory	GRB	Marathon, Marinette, Menominee, Oconto, Shawano	39 hr

Nearby

Flood Watches in Wisconsin, 2008 Every flood watch in 2008

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.