Alert archive / Idaho / Flash Flood Warnings in 1997

Flash Flood Warning 6, NWS Spokane, WA

January 1, 1997Nez Perce County, Idaho

NWS Spokane, WA issued this flash flood warning at Jan 1, 1997, 4:49 AM PST for Nez Perce County, Idaho. It was in force for 12 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: Jan 1, 1997, 4:49 AM PST (12:49 UTC)
Expired: Jan 1, 1997, 5:00 PM PST
In force: 12 hr
Issued by: NWS Spokane, WA
Area: Whole counties

County Nez Perce County, ID

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 0.8 hours before the alert went out and 155 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1187 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: -169 m²/s²
0-3 km storm-relative helicity: -162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Spokane, WA wrote its last area forecast discussion before this flash flood warning went out at Jan 1, 1:09 AM PST, 3 hours 40 minutes earlier.

Area forecast discussion, Jan 1, 1:09 AM PST, 3 hours 40 minutes before

EASTERN WASHINGTON AND NORTH IDAHO AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WASHINGTON
100 AM PST WED JAN 1 1997

BIGGEST PROBLEM IS ALL THE RAIN ON TOP OF THE MELTING SNOW WITH WARM
TEMPERATURES.  TOO MANY SMALL STREAMS FLOODING TO MENTION.  ONLY
ABOUT 3 OF BIGGER CREEKS OR RIVERS FLOODING... OR WILL FLOOD
SHORTLY...AT THIS TIME. CONTINUED COMBINATION OF STRONG WINDS WARM
TEMPERTURES AND RAIN ON ALREADY STRESSED STREAMS ADDING TO PROBLEMS.

LOW SOUTHWEST OF VANCOUVER ISLAND FILLING SLOWLY AND MOVING
NORTHEAST.  TIGHT GRADIENT OVER STATE WITH GUSTY WINDS IN MOST OF THE
CWA.  EXPECT WINDS PURCELL TRENCH TO SHIFT TO SOUTHERLY BY MORNING.
FLOW ALOFT CONTINUES FROM SOUTHWEST UNTIL FRIDAY WHEN IT SHIFTS TO
MORE WESTERLY AND THERE IS SOME CAA.  LOOKS LIKE FLOOD PROBLEMS TO
HANG AROUND UNTIL ABOUT FRIDAY.

QPS OF ANOTHER HALF TO THREE QUARTER INCH PCPN THROUGH TODAY THEN
TAPPERS OFF.  WILL KEEP SHOWERS IN FORECAST FOR WEDNESDAY NIGHT AND
THURSDAY.

HAVE EITHER FLOOD WARMING...URBAN AND SMALL STREAM FLOOD WARNING
OR ADVISORY FOR JUST ABOUT EVERY STREAM IN CWA. LH

...PRODUCTS BELOW ARE PRELIMINARY AND SUBJECT TO CHANGE...
...PLEASE SEE SEACCFSEA AND ZONE FORECAST PRODUCTS...

...FLOOD WARNING FOR THE ST. JOE RIVER NEAR CALDER THROUGH NEW
   YEARS DAY...
...URBAN AND SMALL STREAM FLOOD WARNING FOR NE AND SE WA/ID PNHDL
   IN CWA THROUGH NEW YEARS DAY...
...FLOOD WARNING FOR THE SOUTH FORK OF THE PALOUSE RIVER...
...FLOOD WARNING FOR HANGMAN CREEK...
...URBAN AND SMALL STREAM FLOOD ADVISORY FOR ADAMS...CHELAN...DOUGLAS
   ...GRANT...LINCOLN...AND OKANOGAN COUNTIES THROUGH THURSDAY...

GEG 044/037/043 753
CQV 043/035/042 753
S86 043/035/043@ 966
S06 044/034/043 977
COE 043/037/043 966

In the hours before

Local storm report, Jan 1, 2:15 AM PST, 2 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPOKANE WASHINGTON
215 AM PST WED JAN 1 1997

TIME(PST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0215 AM    PULLMAN                   WA   PALOUSE RIVER IN PULLMAN AT
12/30/96   WHITMAN                        7.2 FEET.  FLOOD STAGE 7.0
                                          HEAVY RAIN AND STRONG WINDS
                                          EST. GUSTS TO 40-45 MPH

Local storm report, Jan 1, 2:24 AM PST, 2 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPOKANE WASHINGTON
215 AM PST WED JAN 1 1997

TIME(PST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0215 AM    PULLMAN                   WA   PALOUSE RIVER IN PULLMAN AT
12/30/96   WHITMAN                        7.2 FEET.  FLOOD STAGE 7.0
                                          HEAVY RAIN AND STRONG WINDS
                                          JEST. GUSTS TO 40-45 MPH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 1, 4:49 AM PST	Flash Flood Warning	OTX	Bonner, Boundary	12 hr
Jan 1, 4:49 AM PST	Flash Flood Warning	OTX	Lewis	12 hr
Jan 1, 4:49 AM PST	Flash Flood Warning	OTX	Benewah, Kootenai, Latah, Shoshone	12 hr
Jan 1, 4:56 AM PST	Flash Flood Warning	OTX	Lewis	12 hr
Jan 1, 4:56 AM PST	Flash Flood Warning	OTX	Bonner, Boundary	12 hr
Jan 1, 4:56 AM PST	Flash Flood Warning	OTX	Benewah, Latah, Nez Perce	12 hr
Jan 1, 4:56 AM PST	Flash Flood Warning	OTX	Kootenai, Shoshone	12 hr

Nearby

Flash Flood Warnings in Idaho, 1997 Every flash flood warning in 1997

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.