Alert archive / Washington / Flash Flood Warnings in 2016

Flash Flood Warning 3, NWS Spokane, WA

June 16, 2016Stevens County, Washington

NWS Spokane, WA issued this flash flood warning at Jun 16, 2016, 6:50 PM PDT for Stevens 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 16, 2016, 6:50 PM PDT (01:50 UTC)
Expired
Jun 16, 2016, 9:45 PM PDT
In force
3 hr
Issued by
NWS Spokane, WA
Area
Storm-based polygon
Flood severity
None

County Stevens County, WA

The radar

The Spokane radar (KOTX), 64 km from the middle of the area, began a volume at 01:50 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 00:00Z, 1.8 hours before the alert went out and 140 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 00:00Z on 2016-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2016-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.193958Sfc1 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
2025 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

207 
WGUS56 KOTX 170150
FFWOTX
WAC065-170445-
/O.NEW.KOTX.FF.W.0003.160617T0150Z-160617T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
650 PM PDT THU JUN 16 2016

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN STEVENS COUNTY IN NORTHEASTERN WASHINGTON...

* UNTIL 945 PM PDT
    
* AT 648 PM PDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE CARPENTER ROAD FIRE. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CEDONIA...FRUITLAND AND HUNTERS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THE AFFECTED AREAS ARE IN AND BELOW THE CARPENTER ROAD BURN SCAR
ABOVE SPRINGDALE HUNTERS ROAD...HUNTERS CREEK...O-RA-PAK-EN CREEK...
ALDER CREEK AND SAND CREEK. HIGH INTENSITY RAINFALL ON THE BURNED
AREAS MAY CAUSE FLASH FLOODING...DEBRIS FLOWS...MUD SLIDES AND ROCK
SLIDES. RESIDENTS AND MOTORISTS IN AND BELOW THE CARPENTER ROAD BURN
SCAR SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
 
&&

LAT...LON 4820 11804 4804 11803 4804 11826 4806 11825
      4807 11823 4810 11824 4814 11823 4816 11819
      4819 11820 4821 11818

$$

LN
1 follow-up statement
892 
WGUS76 KOTX 170321
FFSOTX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
821 PM PDT THU JUN 16 2016

WAC065-170329-
/O.CAN.KOTX.FF.W.0003.000000T0000Z-160617T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STEVENS WA-
821 PM PDT THU JUN 16 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN STEVENS COUNTY IS
CANCELLED...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 4820 11804 4804 11803 4804 11826 4806 11825
      4807 11823 4810 11824 4814 11823 4816 11819
      4819 11820 4821 11818

$$

BT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 7:09 PM PDTFlash Flood WarningOTXOkanogan3 hr

Nearby

Flash Flood Warnings in Washington, 2016Every flash flood warning in 2016

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.