Alert archive / Illinois / River Flood Watches in 2017

River Flood Watch 69, NWS Quad Cities, IA

July 20, 2017Henry County, Rock Island County, Illinois

NWS Quad Cities, IA issued this river flood watch at Jul 20, 2017, 9:54 AM CDT for Henry County, Rock Island County, Illinois. It took effect at Jul 22, 2017, 4:00 PM CDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Jul 20, 2017, 9:54 AM CDT (14:54 UTC)
In effect from: Jul 22, 2017, 4:00 PM CDT
Expired: Jul 26, 2017, 7:00 AM CDT
In force: 4 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: None

Counties Henry County, IL, Rock Island County, IL

The radar

The Quad Cities radar (KDVN), 30 km from the middle of the area, began a volume at 14:54 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 Rock River at Moline (MLII2).

Action stage: 11 ft
Minor stage: 12 ft
Moderate stage: 13 ft
Major stage: 14 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 Jul 20, 6:43 AM CDT, 3 hours 11 minutes earlier.

Area forecast discussion, Jul 20, 6:43 AM CDT, 3 hours 11 minutes before

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Hazardous weather outlook, Jul 20, 5:04 AM CDT, 4 hours 50 minutes before

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In the hours before

Local storm report, Jul 20, 7:01 AM CDT, 2 hours 53 minutes before

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Local storm report, Jul 20, 7:40 AM CDT, 2 hours 14 minutes before

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Local storm report, Jul 20, 7:47 AM CDT, 2 hours 7 minutes before

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Local storm report, Jul 20, 8:21 AM CDT, 1 hour 33 minutes before

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Local storm report, Jul 20, 9:27 AM CDT, 27 minutes before

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Local storm report, Jul 20, 9:30 AM CDT, 24 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
Jul 19, 7:03 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque, Jackson, Jones, Linn	57 min
Jul 20, 3:55 PM CDT	Flash Flood Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more	41 hr
Jul 20, 5:43 PM CDT	Special Weather Statement	DVN	Henry	32 min
Jul 20, 6:30 PM CDT	Special Weather Statement	DVN	Des Moines	30 min
Jul 20, 6:56 PM CDT	Flash Flood Warning	DVN	Des Moines, Henry	6 hr
Jul 19, 8:17 PM CDT	Special Weather Statement	DVN	Carroll	28 min
Jul 19, 8:34 PM CDT	Special Weather Statement	DVN	Putnam	26 min
Jul 20, 3:03 AM CDT	Special Weather Statement	DVN	Jo Daviess, Stephenson	57 min
Jul 20, 6:26 AM CDT	Special Weather Statement	DVN	Bureau, Whiteside	64 min
Jul 20, 8:39 AM CDT	River Flood Watch	DVN	Stephenson	6 days
Jul 20, 8:39 AM CDT	River Flood Watch	DVN	Whiteside	4 days
Jul 20, 8:39 AM CDT	River Flood Watch	DVN	Henry, Rock Island, Whiteside	6 days
Jul 20, 4:14 PM CDT	River Flood Warning	DVN	Stephenson	15 days
Jul 20, 4:14 PM CDT	River Flood Warning	DVN	Whiteside	13 days
Jul 20, 4:14 PM CDT	River Flood Warning	DVN	Henry, Rock Island, Whiteside	17 days
Jul 20, 4:14 PM CDT	River Flood Warning	DVN	Henry, Rock Island	15 days

Nearby

River Flood Watches in Illinois, 2017 Every river flood watch in 2017

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.