Alert archive / Oregon / Flash Flood Warnings in 1997

Flash Flood Warning 11, NWS Pendleton, OR

January 1, 1997Wheeler County, Oregon

NWS Pendleton, OR issued this flash flood warning at Jan 1, 1997, 2:01 PM PST for Wheeler County, Oregon. 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
Jan 1, 1997, 2:01 PM PST (22:01 UTC)
Expired
Jan 1, 1997, 4:30 PM PST
In force
2 hr
Issued by
NWS Pendleton, OR
Area
Whole counties

County Wheeler County, OR

The nearest sounding before it

Salem/Mcnary, OR (KSLE), launched 12:00Z, 10.0 hours before the alert went out and 235 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, Salem/Mcnary, OR at 12:00Z on 1997-01-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salem/Mcnary, OR at 12:00Z on 1997-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.1939587897117136Sfc1 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
50 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1193 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
274 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 Pendleton, OR wrote its last area forecast discussion before this flash flood warning went out at Jan 1, 8:30 AM PST, 5 hours 31 minutes earlier.

Area forecast discussion, Jan 1, 8:30 AM PST, 5 hours 31 minutes before
NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
830 AM PST WED JAN 1 1997

150+KT JET OVR ORE QCKLY PUSHED LOW TWRDS VCVR ISLD THIS MORN WITH
FRNTL PSTN VCNTY OF SERN ORE.  RNFALL AMTS HVY OVR BLUES WITH MEH
REPORTING 0.65 INCHES IN 3 HR PD.  WITH HI SNOW LVLS AND RAIN
OVRNGT...FLOODING AND MUDSLIDES TO CONT.  H20 VPR LOOPS SHOW ANTHR
WAVE DVLPG NEAR 40/130.  SW FLOW ALF AND SUBTPCL TAP WILL CONT
THREAT OF MORE RNFALL AS THIS VORT MAX PASSES THRU. SINCE FROPA
OCCURRED ERLR THIS AM...HAVE LWRD POPS FOR BASIN AND FTHILLS TDY.
12Z MODELS SIMILAR AT BRINGING NXT SYS TO CST LATE THU AND E OF
CASCDS FRI.  SNOW LVLS TO DCRS BY FRI MORN WHICH SHUD PUT AN END TO
RUNOFF.  NGM COOLER THAN ETA BY DROPPING THCKSS DOWN TO 527DM FRI
AM.  THIS WUD LWR SNOW LVLS DOWN TO BASIN FLOOR.  WILL TAKE A CLSR
LUK AT NEW RUNS BFR DECIDING PCPN TYPE FOR BASIN/FTHILLS.  SMITH

PDT 6446  ALW 6446  PSC 5334  YKM 6445

.PDT...SEE FFWPDT...FLSPDX AND FLWSEA FOR FLOOD
WRNGS/WATCHES/ADVYS.

.KPDT...VCP 21/CSR-21...OPERATIONAL.

The office that day

Everything else NWS Pendleton, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 1, 7:07 AM PSTFlash Flood WarningPDTMorrow, Umatilla7 hr
Jan 1, 7:07 AM PSTFlash Flood WarningPDTWheeler7 hr
Jan 1, 9:17 AM PSTFlash Flood WarningPDTUnion, Wallowa7 hr
Jan 1, 10:13 AM PSTFlash Flood WarningPDTGilliam, Sherman6 hr
Jan 1, 10:13 AM PSTFlash Flood WarningPDTGrant6 hr
Jan 1, 2:01 PM PSTFlash Flood WarningPDTUmatilla2 hr
Jan 1, 5:40 AM PSTFlash Flood WarningPDTYakima9 hr
Jan 1, 5:55 AM PSTFlash Flood WarningPDTColumbia6 hr
Jan 1, 11:02 AM PSTFlash Flood WarningPDTKlickitat6 hr
Jan 1, 11:45 AM PSTFlash Flood WarningPDTColumbia, Walla Walla5 hr

Nearby

Flash Flood Warnings in Oregon, 1997Every 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.