Alert archive / Idaho / River Flood Warnings in 2014

River Flood Warning 2, NWS Boise, ID

March 10, 2014Washington County, Idaho

NWS Boise, ID issued this river flood warning at Mar 10, 2014, 5:30 AM MDT for Washington County, Idaho. It took effect at Mar 10, 2014, 11:13 AM MDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued: Mar 10, 2014, 5:30 AM MDT (11:30 UTC)
In effect from: Mar 10, 2014, 11:13 AM MDT
Expired: Mar 11, 2014, 5:20 PM MDT
In force: 30 hr
Issued by: NWS Boise, ID
Flood severity: Minor

County Washington County, ID

The radar

The Boise radar (KCBX), 116 km from the middle of the area, began a volume at 11:31 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 Weiser River at Weiser (WSRI1). The gauge peaked at 11.79 ft at Mar 11, 2014, 3:00 AM MDT.

Action stage: 9 ft
Minor stage: 9.5 ft
Moderate stage: 12 ft
Major stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13266000, 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 Mar 10, 2:59 AM MDT, 2 hours 31 minutes earlier.

Area forecast discussion, Mar 10, 2:59 AM MDT, 2 hours 31 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
259 AM MDT MON MAR 10 2014

.SHORT TERM...TODAY THROUGH TUESDAY...A STRONG...WARM AND WET
SYSTEM IS POISED TO MOVE THROUGH THE CWA TODAY...WITH THE TROUGH
AXIS PASSING OVER ERN OREGON LATE THIS MORNING THROUGH MID-
AFTERNOON AND THROUGH SW IDAHO FROM MID-AFTERNOON THROUGH EARLY
EVENING. THIS SYSTEM WILL ALSO PUSH A COLD FRONT THROUGH THE AREA
TODAY...PASSING BY SEVERAL HOURS BEFORE THE UPPER LEVEL TROUGH.
MODERATE TO HEAVY RAIN IS STILL EXPECTED IN THE MTNS THROUGH
MIDDAY...SO THE FLOOD WATCH WILL BE ALLOWED TO CONTINUE THROUGH
NOON MDT. RAINFALL TOTALS SO FAR FOR THIS EVENT RANGE FROM AN INCH
TO AN INCH AND A HALF IN THE MTNS...TO A FEW HUNDREDTHS TO A FEW
TENTHS IN THE VALLEYS. LIGHT RAIN WILL CONTINUE INTO THE
AFTERNOON IN THE WATCH AREA...AND IT IS OFTEN THE CASE THAT
MUDSLIDES OCCUR HOURS AFTER HEAVY RAIN ENDS...SO PLEASE EXERCISE
CAUTION IF YOU MUST DRIVE IN SLIDE-PRONE AREAS THROUGH TONIGHT AND
EVEN INTO TOMORROW. PRECIP WILL MOVE OUT FOR THE MOST PART WITH
THE TROUGH AXIS PASSAGE. SNOW LEVELS WILL PLUMMET FROM CURRENT
VALUES WHICH RANGE FROM 5KFT IN BAKER COUNTY TO 7KFT IN THE
WESTERN MAGIC VALLEY...DOWN TO AROUND 3KFT TOMORROW MORNING. TEMPS
THROUGH TOMORROW WILL BE NEAR NORMAL. THIS MAY SEEM ODD SEEING
THAT WE WILL HAVE A COLD FRONT PASS THROUGH TODAY. HOWEVER...MILD
PRE- FRONTAL AIR IS BEING COOLED BY PRECIPITATION AND WILL BE KEPT
COOL BY CLOUD COVER DURING THE DAY. AND TOMORROW...THE COOLER
POST- FRONTAL AIR WILL SEE PLENTY OF SUNSHINE...ALLOWING IT TO
WARM UP TO READINGS VERY CLOSE TO TODAY IN MOST AREAS. WINDS WILL
BE MODERATE IN THE WESTERN MAGIC VALLEY THIS AFTERNOON AS THE COLD
FRONT PASSES THROUGH. AT THIS TIME IT APPEARS WIND ADVISORY
CRITERIA WILL NOT BE REACHED.

.LONG TERM...TUESDAY NIGHT THROUGH SUNDAY...WARM AND DRY
CONDITIONS THROUGH THE EXTENDED PERIOD AS A RIDGE OF HIGH PRESSURE
REMAINS OVER THE WESTERN SECTION OF THE COUNTRY. RIDGE WILL BE
FLATTENED WEDNESDAY NIGHT AND ALSO AGAIN ON FRIDAY NIGHT AS WEAK
SHORTWAVES MOVE THROUGH THE FLOW. NO PRECIPITATION IS EXPECTED
WITH THESE SHORTWAVES AS THEY MOVE JUST TO THE NORTH OF THE
FORECAST AREA. HIGH TEMPERATURES WILL START OUT NEAR NORMAL ON
WEDNESDAY AND WARM TO AROUND 10 DEGREES ABOVE NORMAL BY SUNDAY.

&&

.AVIATION...MOUNTAINS OBSCURED. RAIN AND HIGH ELEVATION SNOW WILL
CONTINUE OVER THE REGION WITH WIDESPREAD LOW VFR CONDITIONS AND
AREAS OF MVFR CONDITIONS. SNOW LEVELS THIS MORNING WILL BE AROUND
6500 FEET MSL AND FALL TO AROUND 4K FEET MSL BY THIS EVENING. WEAK
COLD FRONT MOVING FROM WEST TO EAST TODAY WITH DECREASING
PRECIPITATION BEHIND THE FRONT. THUNDERSTORMS ARE POSSIBLE WITH
THIS FRONT BUT WILL NOT INCLUDE ANY MENTION IN THE TAFS. SURFACE
WINDS AHEAD OF THE FRONT WILL BE SOUTHEAST TO SOUTH 5 TO 15
KNOTS...BECOMING SOUTHWEST TO WEST 15-25 KNOTS WITH LOCAL GUSTS UP
TO 35 KNOTS BEHIND THE FRONT...STRONGEST WINDS WILL BE IN THE
MAGIC VALLEY.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...FLOOD WATCH UNTIL NOON MDT TODAY IDZ011-013-033.
OR...NONE.

&&

WEATHER.GOV/BOISE

SHORT TERM...SP
LONG TERM....JA
AVIATION.....JA

Hazardous weather outlook, Mar 9, 5:48 AM MDT, 23 hours 42 minutes before

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The office that day

Everything else NWS Boise, ID issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 10, 12:00 PM MDT	Areal Flood Advisory	BOI	Adams, Washington	12 hr
Mar 10, 1:13 PM MDT	River Flood Warning	BOI	Adams, Washington	18 hr

Nearby

River Flood Warnings in Idaho, 2014 Every river flood warning in 2014

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.