Alert archive / Washington / Flash Flood Warnings in 2015

Flash Flood Warning 9, NWS Spokane, WA

June 1, 2015Asotin County, Garfield County, Washington

NWS Spokane, WA issued this flash flood warning at Jun 1, 2015, 4:07 PM PDT for Asotin County, Garfield County, Washington. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 1, 2015, 4:07 PM PDT (23:07 UTC)
Expired
Jun 1, 2015, 7:00 PM PDT
In force
3 hr
Issued by
NWS Spokane, WA
Area
Storm-based polygon
Flood severity
None

Counties Asotin County, WA, Garfield County, WA

The radar

The Pendleton radar (KPDT), 113 km from the middle of the area, began a volume at 23:06 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 nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 11.1 hours before the alert went out and 195 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 12:00Z on 2015-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2015-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -98 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-98 m²/s²
0-3 km storm-relative helicity
-55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

753 
WGUS56 KOTX 012307
FFWOTX
WAC003-023-020200-
/O.NEW.KOTX.FF.W.0009.150601T2307Z-150602T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
407 PM PDT MON JUN 1 2015

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL GARFIELD COUNTY IN SOUTHEASTERN WASHINGTON...
  SOUTHWESTERN ASOTIN COUNTY IN SOUTHEASTERN WASHINGTON...

* UNTIL 700 PM PDT
    
* AT 407 PM PDT...DOPPLER RADAR INDICATED STATIONARY THUNDERSTORMS 
  PRODUCING HEAVY RAIN AND SMALL HAIL ACROSS THE WARNED AREA. UP TO 
  ONE INCH OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO 
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MISERY SPRING CAMPGROUND...ALDER THICKET CAMPGROUND...WICKIUP
  CAMPGROUND AND SPRUCE SPRING CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH. 

&&

LAT...LON 4608 11760 4608 11761 4618 11761 4630 11762
      4628 11733 4600 11734 4600 11759

$$

SB
2 follow-up statements
740 
WGUS76 KOTX 012353
FFSOTX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
453 PM PDT MON JUN 1 2015

WAC003-023-020200-
/O.CON.KOTX.FF.W.0009.000000T0000Z-150602T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GARFIELD WA-ASOTIN WA-
453 PM PDT MON JUN 1 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM PDT FOR
SOUTH CENTRAL GARFIELD AND SOUTHWESTERN ASOTIN COUNTIES...

AT 446 PM PDT...THUNDERSTORMS PRODUCING HEAVY RAIN CONTINUE TO MOVE 
INTO THE WARNED AREA. RADAR ESTIMATED IN EXCESS OF ONE INCH OF RAIN 
HAS ALREADY FALLEN IN SOME LOCATIONS. FLASH FLOODING IS EXPECTED TO 
BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MISERY SPRING CAMPGROUND...ALDER THICKET CAMPGROUND...WICKIUP
CAMPGROUND AND SPRUCE SPRING CAMPGROUND.

THE HEAVIEST RAIN HAS FALLEN IN THE BEAR CREEK...FIRST 
CREEK...MELTON CREEK...AND EAST FORK OF FIRST CREEK.  IF YOU ARE IN 
THESE AREAS...GET TO HIGHER GROUND NOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH. 

&&

LAT...LON 4608 11760 4608 11761 4618 11761 4630 11762
      4628 11733 4600 11734 4600 11759

$$

SB
817 
WGUS76 KOTX 020145
FFSOTX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
643 PM PDT MON JUN 1 2015

WAC003-023-020153-
/O.CAN.KOTX.FF.W.0009.000000T0000Z-150602T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GARFIELD WA-ASOTIN WA-
643 PM PDT MON JUN 1 2015

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL GARFIELD AND
SOUTHWESTERN ASOTIN COUNTIES IS CANCELLED...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.

LAT...LON 4608 11760 4608 11761 4618 11761 4630 11762
      4628 11733 4600 11734 4600 11759

$$

BZ

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 31, 8:54 PM PDTSevere Thunderstorm WarningOTXAsotin, Garfield36 min
May 31, 9:33 PM PDTSevere Thunderstorm WarningOTXAsotin, Garfield, Whitman57 min
May 31, 10:33 PM PDTSevere Thunderstorm WarningOTXAsotin, Garfield, Whitman42 min
Jun 1, 6:32 AM PDTFlash Flood WatchOTXAdams, Chelan, Douglas, Ferry, Grant, Lincoln and 5 more22 hr
Jun 1, 3:32 PM PDTSpecial Weather StatementOTXGarfield58 min
Jun 1, 4:18 PM PDTSpecial Weather StatementOTXAsotin42 min
Jun 1, 4:28 PM PDTAreal Flood AdvisoryOTXPend Oreille2 hr
Jun 1, 4:44 PM PDTSpecial Weather StatementOTXChelan61 min
Jun 1, 4:49 PM PDTSpecial Weather StatementOTXDouglas56 min

Nearby

Flash Flood Warnings in Washington, 2015Every flash flood warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.