Alert archive / Iowa / River Flood Watches in 2019

River Flood Watch 49, NWS Quad Cities, IA

September 30, 2019Louisa County, Muscatine County, Iowa; Mercer County, Rock Island County, Illinois

NWS Quad Cities, IA issued this river flood watch at Sep 30, 2019, 11:29 AM CDT for Louisa County, Muscatine County, Iowa; Mercer County, Rock Island County, Illinois. It took effect at Oct 4, 2019, 9:00 PM CDT. It was in force for 17 days.

The area

The counties it named.

The facts

Issued: Sep 30, 2019, 11:29 AM CDT (16:29 UTC)
In effect from: Oct 4, 2019, 9:00 PM CDT
Expired: Oct 21, 2019, 11:29 AM CDT
In force: 17 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: None

Counties Louisa County, IA, Muscatine County, IA, Mercer County, IL, Rock Island County, IL

The radar

The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 16:30 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 river

Written for the forecast point Mississippi River at Muscatine (MUSI4).

Action stage: 15 ft
Minor stage: 16 ft
Moderate stage: 18 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood 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 river flood watch went out at Sep 30, 6:12 AM CDT, 5 hours 17 minutes earlier.

Area forecast discussion, Sep 30, 6:12 AM CDT, 5 hours 17 minutes before

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Hazardous weather outlook, Sep 30, 3:46 AM CDT, 7 hours 43 minutes before

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In the hours before

Local storm report, Sep 30, 7:07 AM CDT, 4 hours 22 minutes before

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Local storm report, Sep 30, 7:08 AM CDT, 4 hours 21 minutes before

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Local storm report, Sep 30, 7:27 AM CDT, 4 hours 2 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
Sep 30, 10:00 AM CDT	River Flood Watch	DVN	Delaware, Jones	43 hr
Sep 30, 11:29 AM CDT	River Flood Watch	DVN	Dubuque, Jackson	45 hr
Sep 30, 11:29 AM CDT	River Flood Watch	DVN	Clinton	7 days
Sep 30, 11:29 AM CDT	River Flood Watch	DVN	Clinton, Scott	21 days
Sep 30, 11:29 AM CDT	River Flood Watch	DVN	Scott	21 days
Sep 30, 11:29 AM CDT	River Flood Watch	DVN	Muscatine, Scott	21 days
Sep 30, 11:29 AM CDT	River Flood Watch	DVN	Muscatine	21 days
Sep 30, 11:29 AM CDT	River Flood Watch	DVN	Louisa	21 days
Sep 30, 2:39 PM CDT	Flash Flood Watch	DVN	Benton, Buchanan, Delaware, Dubuque, Iowa, Jackson and 4 more	39 hr

Nearby

River Flood Watches in Iowa, 2019 River Flood Watches in Illinois, 2019 Every river flood 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.