Alert archive / Idaho / River Flood Watches in 2012
River Flood Watch 2, NWS Boise, ID
NWS Boise, ID issued this river flood watch at Apr 26, 2012, 9:24 AM MDT for Gem County, Idaho. It took effect at Apr 27, 2012, 12:53 AM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 26, 2012, 9:24 AM MDT (15:24 UTC)
- In effect from
- Apr 27, 2012, 12:53 AM MDT
- Expired
- Apr 26, 2012, 1:01 PM MDT
- In force
- Issued by
- NWS Boise, ID
- Flood severity
- None
County Gem County, ID
The radar
The Boise radar (KCBX), 65 km from the middle of the area, began a volume at 15:26 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 Payette River at Emmett (EMMI1). The gauge peaked at 12.33 ft at Apr 27, 2012, 12:00 PM MDT.
- Action stage
- 10 ft
- Minor stage
- 10.5 ft
- Moderate stage
- 12 ft
- Major stage
- 15 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 13249500, 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 Boise, ID wrote its last area forecast discussion before this river flood watch went out at Apr 26, 3:15 AM MDT, 6 hours 9 minutes earlier.
Area forecast discussion, Apr 26, 3:15 AM MDT, 6 hours 9 minutes before
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</html>Hazardous weather outlook, Apr 26, 5:46 AM MDT, 3 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BOISE ID 546 AM MDT THU APR 26 2012 IDZ011>016-028>030-033-ORZ061>064-271200- WEST CENTRAL MOUNTAINS-LOWER TREASURE VALLEY ID-BOISE MOUNTAINS- UPPER TREASURE VALLEY-SOUTHWEST HIGHLANDS-WESTERN MAGIC VALLEY- CAMAS PRAIRIE-OWYHEE MOUNTAINS-SOUTHERN TWIN FALLS COUNTY- UPPER WEISER RIVER-HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY- LOWER TREASURE VALLEY OR- 546 AM MDT THU APR 26 2012 /446 AM PDT THU APR 26 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL IDAHO...SOUTHWEST IDAHO...WEST CENTRAL IDAHO...NORTHEAST OREGON AND SOUTHEAST OREGON. .DAY ONE...TODAY AND TONIGHT AREAS OF SHOWERS AND ISOLATED THUNDERSTORMS WILL MOVE ACROSS THE REGION TODAY AND EXIT THE AREA TONIGHT. RAINFALL AMOUNTS MAY EXCEED ONE-HALF INCH IN THE VALLEYS AND ONE INCH IN THE MOUNTAINS. THIS WILL CAUSE RIVERS...CREEKS...AND STREAMS TO SWELL TO NEAR BANKFULL TODAY AND TONIGHT...AND SOME OF THE SMALLER TRIBUTARIES MAY BRIEFLY GO INTO FLOOD. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY AS RUNOFF FROM RAIN TODAY AND TONIGHT CONTINUES TO SWELL MAIN STEM RIVERS...FLOODING WILL BE POSSIBLE EARLY FRIDAY INTO SATURDAY. NO FLOOD WARNINGS HAVE BEEN ISSUED YET...BUT SOME MAY BE ISSUED LATER TODAY. PLEASE CHECK BACK FOR UPDATES LATER TODAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER...REPORTS OF FLOODING WOULD BE APPRECIATED.
The office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 6:04 PM MDT | Special Weather Statement | BOI | Ada | 26 min |
| Apr 26, 12:53 PM MDT | River Flood Warning | BOI | Gem | 42 hr |
| Apr 26, 12:53 PM MDT | River Flood Warning | BOI | Payette | 50 hr |
| Apr 26, 2:44 PM MDT | Areal Flood Advisory | BOI | Ada | 4 hr |
| Apr 26, 5:11 PM MDT | Special Weather Statement | BOI | Ada | 49 min |
Nearby
River Flood Watches in Idaho, 2012Every river flood watch in 2012
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.