Alert archive / Iowa / River Flood Watches in 2018
River Flood Watch 52, NWS Des Moines, IA
NWS Des Moines, IA issued this river flood watch at Oct 6, 2018, 9:06 PM CDT for Black Hawk County, Iowa. It took effect at Oct 10, 2018, 11:00 AM CDT. It was in force for 4 days.
The area
The counties it named.
The facts
- Issued
- Oct 6, 2018, 9:06 PM CDT (02:06 UTC)
- In effect from
- Oct 10, 2018, 11:00 AM CDT
- Expired
- Oct 14, 2018, 5:30 AM CDT
- In force
- 4 days
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- None
County Black Hawk County, IA
The radar
The Des Moines radar (KDMX), 143 km from the middle of the area, began a volume at 02:07 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 Cedar River at Waterloo (ALOI4). The gauge peaked at 15.08 ft at Oct 12, 2018, 11:00 AM CDT.
- Action stage
- 8.5 ft
- Minor stage
- 13 ft
- Moderate stage
- 19 ft
- Major stage
- 21 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05464000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 6, 9:06 PM CDT | River Flood Watch | DMX | Marshall | 5 days |
| Oct 6, 9:06 PM CDT | River Flood Watch | DMX | Tama | 5 days |
| Oct 6, 9:06 PM CDT | River Flood Watch | DMX | Polk | 49 hr |
| Oct 6, 9:06 PM CDT | River Flood Watch | DMX | Humboldt | 7 days |
| Oct 6, 9:06 PM CDT | River Flood Watch | DMX | Polk | 8 days |
| Oct 6, 9:06 PM CDT | River Flood Watch | DMX | Dallas, Greene | 7 days |
| Oct 7, 11:27 AM CDT | River Flood Watch | DMX | Webster | 8 days |
| Oct 7, 11:27 AM CDT | River Flood Watch | DMX | Emmet | 43 hr |
| Oct 7, 11:27 AM CDT | River Flood Watch | DMX | Humboldt, Kossuth | 7 days |
| Oct 7, 3:52 PM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 60 hr |
Nearby
River Flood Watches in Iowa, 2018Every river flood watch in 2018
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.