Alert archive / Idaho / River Flood Warnings in 2011

River Flood Warning 8, NWS Boise, ID

May 9, 2011Owyhee County, Idaho

NWS Boise, ID issued this river flood warning at May 9, 2011, 7:59 AM MDT for Owyhee County, Idaho. It took effect at May 9, 2011, 11:34 AM MDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
May 9, 2011, 7:59 AM MDT (13:59 UTC)
In effect from
May 9, 2011, 11:34 AM MDT
Expired
May 10, 2011, 10:28 AM MDT
In force
23 hr
Issued by
NWS Boise, ID
Flood severity
Minor

County Owyhee County, ID

The radar

The Boise radar (KCBX), 101 km from the middle of the area, began a volume at 14:00 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 Bruneau River at Hot Springs (HOTI1). The gauge peaked at 9.39 ft at May 9, 2011, 9:00 PM MDT.

actionminormoderate8101205/0905/1005/11
Action stage
9 ft
Minor stage
9.5 ft
Moderate stage
11 ft
Major stage
13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13168500, 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boise, ID wrote its last area forecast discussion before this river flood warning went out at May 9, 3:41 AM MDT, 4 hours 18 minutes earlier.

Area forecast discussion, May 9, 3:41 AM MDT, 4 hours 18 minutes before
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Hazardous weather outlook, May 9, 5:48 AM MDT, 2 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BOISE ID
548 AM MDT MON MAY 9 2011

IDZ014-ORZ062-101200-
UPPER TREASURE VALLEY-BAKER COUNTY-
548 AM MDT MON MAY 9 2011 /448 AM PDT MON MAY 9 2011/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST IDAHO
AND NORTHEAST OREGON.

.DAY ONE...TODAY AND TONIGHT

A WIND ADVISORY REMAINS IN EFFECT FOR THIS AFTERNOON ACROSS BAKER
COUNTY OREGON AND THE UPPER TREASURE VALLEY OF IDAHO FROM EAST OF
BOISE TO GLENNS FERRY. SEE THE ADVISORY PRODUCT FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

IDZ011>013-015-016-028>030-033-ORZ061-063-064-101200-
WEST CENTRAL MOUNTAINS-LOWER TREASURE VALLEY ID-BOISE MOUNTAINS-
SOUTHWEST HIGHLANDS-WESTERN MAGIC VALLEY-CAMAS PRAIRIE-
OWYHEE MOUNTAINS-SOUTHERN TWIN FALLS COUNTY-UPPER WEISER RIVER-
HARNEY COUNTY-MALHEUR COUNTY-LOWER TREASURE VALLEY OR-
548 AM MDT MON MAY 9 2011 /448 AM PDT MON MAY 9 2011/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
IDAHO...SOUTHWEST IDAHO...WEST CENTRAL IDAHO AND SOUTHEAST
OREGON.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

Nearby

River Flood Warnings in Idaho, 2011Every river flood warning in 2011

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.