Alert archive / Iowa / River Flood Watches in 2017
River Flood Watch 49, NWS Quad Cities, IA
NWS Quad Cities, IA issued this river flood watch at May 19, 2017, 11:39 AM CDT for Louisa County, Iowa. It took effect at May 23, 2017, 1:00 AM CDT. It was in force for 3 days.
The area
The counties it named.
The facts
- Issued
- May 19, 2017, 11:39 AM CDT (16:39 UTC)
- In effect from
- May 23, 2017, 1:00 AM CDT
- Expired
- May 26, 2017, 7:00 AM CDT
- In force
- 3 days
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
County Louisa County, IA
The radar
The Quad Cities radar (KDVN), 72 km from the middle of the area, began a volume at 16:42 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 Iowa River at Oakville (OKVI4).
- Action stage
- 8 ft
- Minor stage
- 11 ft
- Moderate stage
- 15 ft
- Major stage
- 20 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05465700, 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 May 19, 9:43 AM CDT, 1 hour 56 minutes earlier.
Area forecast discussion, May 19, 9:43 AM CDT, 1 hour 56 minutes before
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</html>Hazardous weather outlook, May 19, 11:31 AM CDT, 8 minutes before
Hazardous Weather Outlook National Weather Service Quad Cities IA IL 1131 AM CDT Fri May 19 2017 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-201645- Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson- Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll- Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson- Warren-Hancock-McDonough-Scotland-Clark- 1131 AM CDT Fri May 19 2017 This Hazardous Weather Outlook is for portions of north central Illinois...northwest Illinois...west central Illinois...east central Iowa...northeast Iowa...southeast Iowa and northeast Missouri. .DAY ONE...THIS AFTERNOON AND TONIGHT Thunderstorms are expected tonight with the main threat being lightning. A secondary risk is locally heavy rainfall. Area rivers are experiencing flooding. Please see the latest Flood Statements and Flood Warnings for details. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY There is another chance of thunderstorms Saturday afternoon and evening. There is a marginal risk of severe storms mainly east of the Mississippi River. There is a chance of thunderstorms Monday night and Tuesday. It is too early to determine the severe weather risk, but lightning will be a threat. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed this afternoon or tonight. Haase
In the hours before
Local storm report, May 19, 11:24 AM CDT, 15 minutes before
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</html>The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 11:39 AM CDT | River Flood Watch | DVN | Des Moines, Louisa | 5 days |
| May 19, 11:39 AM CDT | River Flood Watch | DVN | Iowa, Johnson | 4 days |
| May 19, 11:39 AM CDT | River Flood Watch | DVN | Johnson, Washington | 4 days |
Nearby
River Flood Watches in Iowa, 2017Every 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.