Flash Flood Watch 1, NWS Spokane, WA

399 
WGUS66 KOTX 170339
FFAOTX

FLOOD WATCH
NATIONAL WEATHER SERVICE SPOKANE WA
839 PM PDT SAT JUL 16 2016


WAZ038-042-043-170445-
/O.CAN.KOTX.FF.A.0001.000000T0000Z-160717T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKANOGAN HIGHLANDS-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
839 PM PDT SAT JUL 16 2016

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR THE EAST SLOPES OF THE NORTHERN
CASCADES...OKANOGAN VALLEY AND OKANOGAN HIGHLANDS HAS BEEN
CANCELLED. RAIN SHOWERS HAVE MOVED OUT OF THE AREA THIS EVENING
AND THE THREAT OF FLASH FLOODING HAS ENDED.

SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN ON SUNDAY AND MONDAY.
STORMS THAT DEVELOP WILL REMAIN NEARLY STATIONARY OR MOVE VERY
SLOWLY. THEY WILL CARRY THE THREAT OF VERY HEAVY RAINFALL OVER A
SHORT AMOUNT OF TIME.

$$

Area Forecast Discussion
National Weather Service Spokane WA
1033 AM PDT Sat Jul 16 2016

.SYNOPSIS...
A slow moving upper low will bring a showery weather pattern to
the Inland Northwest today through Monday. Thunderstorms will
have the potential to produce locally heavy rain over the
Cascades, northeast Washington, and far north Idaho for the next
several days. Showers and thunderstorms are expected to decrease
Tuesday into Wednesday as a drier and seasonably warm pattern
spreads over the Inland Northwest.

&&

.DISCUSSION...
Update the forecast to adjust timing of convection, thunder and
heavy rainfall potential. Upper low is spinning over the north
Idaho Canadian border. Moist northwest flow is over much of north
central and northeast Washington. Light showers are detected on
radar from the mid level cloud bases. HRRR indicate the convection
should pick up after by midday, and the prime area seems to be
over the north Cascades, the Okanogan Highlands and over Boundary
county beneath the low center. These storms will drift southeast,
although slower storm speeds will be found over the north Cascades
and Boundary county. This raises the concerns of heavy rainfall
and the potential of flooding, especially in areas with slides and
past burns. /rfox.

&&

.AVIATION...
18Z TAFS: A slow moving upper low will increase the threat of
convective showers and thunderstorms this afternoon and early
evening. Most of the activity will be to the north of the TAF
sites over the higher terrain, although KEAT and the KGEG-KCOE
will be on the southern periphery of the convection as it drifts
slowly to the southeast. The main threat from the thunderstorms
will be occasional lightning and heavy downpours, although the
stronger storms will be bring small hail and gusty winds. VFR
conditions are expected with bases near 5k ft agl, although
stronger storms may produce locally MVFR cigs. The convection will
wane after 03Z leaving mid and high level clouds overnight with
light winds. /rfox.

&&

.PRELIMINARY POINT TEMPS/POPS...
Spokane        75  57  82  60  85  58 /  40  30  10  20  20  20
Coeur d'Alene  73  54  81  57  85  55 /  40  30  20  20  20  20
Pullman        74  50  82  53  84  51 /  10  10  10  20  10  20
Lewiston       81  58  89  62  92  61 /  10  10  10  20  10  20
Colville       73  52  84  54  85  54 /  70  50  40  20  40  30
Sandpoint      69  50  78  52  83  51 /  50  50  40  20  20  20
Kellogg        68  49  78  53  84  51 /  50  40  20  20  20  20
Moses Lake     84  57  88  61  87  58 /   0  10  10  20  20  10
Wenatchee      81  63  86  66  83  61 /  10  20  10  20  50  20
Omak           79  60  85  62  83  58 /  70  50  30  30  50  20

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
ID...None.
WA...None.
&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
612 AM PDT SAT JUL 16 2016

IDZ002>004-026-027-WAZ031>036-041-044-171315-
COEUR D'ALENE AREA-IDAHO PALOUSE-CENTRAL PANHANDLE MOUNTAINS-
LEWISTON AREA-LEWIS AND SOUTHERN NEZ PERCE COUNTIES-
NORTHEAST BLUE MOUNTAINS-LOWER GARFIELD AND ASOTIN COUNTIES-
WASHINGTON PALOUSE-MOSES LAKE AREA-UPPER COLUMBIA BASIN-
SPOKANE AREA-WENATCHEE AREA-WATERVILLE PLATEAU-
612 AM PDT SAT JUL 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL IDAHO...CENTRAL WASHINGTON...EAST CENTRAL
WASHINGTON...NORTH CENTRAL WASHINGTON...NORTHEAST WASHINGTON AND
SOUTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

IDZ001-WAZ037-038-042-043-171315-
NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
612 AM PDT SAT JUL 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL WASHINGTON AND NORTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE EXPECTED TO DEVELOP FOR THE AFTERNOON AND LINGER
INTO THE EVENING. HEAVY DOWNPOURS WITH SLOW MOVING THUNDERSTORMS
WILL BE POSSIBLE. THE SLOW MOVEMENT OF STORMS WILL INCREASE THE
CONCERN FOR FLASH FLOODING BELOW BURN SCARED AREAS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO PERSIST FOR THE NEXT
SEVERAL DAYS. THE BEST THUNDERSTORM POTENTIAL WILL OCCUR NEAR THE
CANADIAN BORDER AND THE IN CASCADES THROUGH MONDAY. SHOWERS AND
THUNDERSTORMS ON SUNDAY WILL BE SLOW MOVING AND COULD RESULT IN
HEAVY RAINS AND THE POTENTIAL FOR LOCALIZED FLOODING.