Alert archive / Washington / Flash Flood Warnings in 1996

Flash Flood Warning 2, NWS Spokane, WA

June 27, 1996Ferry County, Lincoln County, Stevens County, Washington

NWS Spokane, WA issued this flash flood warning at Jun 27, 1996, 5:29 PM PDT for Ferry County, Lincoln County, Stevens County, Washington. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 27, 1996, 5:29 PM PDT (00:29 UTC)
Expired
Jun 27, 1996, 7:30 PM PDT
In force
2 hr
Issued by
NWS Spokane, WA
Area
Whole counties

Counties Ferry County, WA, Lincoln County, WA, Stevens County, WA

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 0.5 hours before the alert went out and 148 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 1996-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 1996-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.1939Sfc1 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
93 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
11 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.

000 
TTAA00 KGEG 280033
FFWGEG
WAC019-043-065-280230-
 
BULLETIN - IMMEDIATE BROADCAST REQ
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
529 PM PDT THU JUN 27 1996
 
THE NATIONAL WEATHER SERVICE IN SPOKANE HAS EXTENDED THE
FLASH FLOOD WARNING EFFECTIVE UNTIL  730 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST WASHINGTON
 
   ...SOUTHEASTERN FERRY COUNTY...NORTHERN LINCOLN COUNTY
   ...SOUTHERN STEVENS COUNTY
 
AT 530 PM PDT THUNDERSTORMS WITH HEAVY RAINFALL CONTINUES OVER EXTREME
SOUTHEAST FERRY COUNTY...NORTHERN LINCOLN COUNTY AND SOUTHERN STEVENS
COUNTY IN NORTHEAST WASHINGTON. THIS HEAVY RAINFALL WILL LIKELY PRODUCE
LOCAL AREAS OF FLASH FLOODING. IN PARTICULAR ONE AREA OF THUNDERSTORMS
MOVING OVER THE HAWK CREEK REGION OF NORTHERN LINCOLN COUNTY HAS BEEN
PROGRESSING VERY SLOWLY AND MAY CAUSE SIGNIFICANT FLOODING IN THAT AREA.
 
CAMPERS AND OTHER RECREATIONALISTS SHOULD PREPARE FOR HEAVY RAINFALLS
AND POSSIBLE FLOODING BY MOVING OUT OF LOW AREAS TO HIGHER GROUND.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY hTO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

Nearby

Flash Flood Warnings in Washington, 1996Every flash flood warning in 1996

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.