Alert archive / Wisconsin / Flood Watches in 2020
Flood Watch 3, NWS Green Bay, WI
NWS Green Bay, WI issued this flood watch at Jul 10, 2020, 4:20 AM CDT for 9 counties in Wisconsin. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 10, 2020, 4:20 AM CDT (09:20 UTC)
- Expired
- Jul 10, 2020, 6:52 AM CDT
- In force
- 3 hr
- Issued by
- NWS Green Bay, WI
- Flood severity
- None
Counties Brown County, WI, Calumet County, WI, Door County, WI, Kewaunee County, WI, Manitowoc County, WI, Marinette County, WI, Oconto County, WI, Outagamie County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 9 km from the middle of the area, began a volume at 09:20 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, 9.3 hours before the alert went out and 9 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
- 39 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 1547 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 Jul 9, 3:13 PM CDT, 13 hours 7 minutes earlier.
Area forecast discussion, Jul 9, 3:13 PM CDT, 13 hours 7 minutes before
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</html>Hazardous weather outlook, Jul 9, 2:49 PM CDT, 13 hours 31 minutes before
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 8:24 PM CDT | Special Weather Statement | GRB | Langlade, Marathon | 36 min |
| Jul 9, 9:56 PM CDT | Special Weather Statement | GRB | Forest, Langlade | 34 min |
| Jul 10, 1:38 AM CDT | Areal Flood Advisory | GRB | Outagamie, Waupaca, Waushara, Winnebago | 3 hr |
| Jul 10, 3:06 AM CDT | Special Weather Statement | GRB | Brown, Calumet, Outagamie | 54 min |
| Jul 10, 3:34 AM CDT | Areal Flood Advisory | GRB | Brown, Calumet, Manitowoc, Outagamie, Winnebago | 3 hr |
| Jul 10, 6:07 AM CDT | Areal Flood Advisory | GRB | Brown, Kewaunee, Manitowoc | 114 min |
Nearby
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.