Alert archive / Oregon / Flash Flood Warnings in 2004

Flash Flood Warning 13, NWS Pendleton, OR

June 29, 2004Wheeler County, Oregon

NWS Pendleton, OR issued this flash flood warning at Jun 29, 2004, 7:00 PM PDT for Wheeler County, Oregon. It was in force for 60 min. 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 29, 2004, 7:00 PM PDT (02:00 UTC)
Expired
Jun 29, 2004, 8:00 PM PDT
In force
60 min
Issued by
NWS Pendleton, OR
Area
Counties, with a storm outline in the text

County Wheeler County, OR

The radar

The Pendleton radar (KPDT), 152 km from the middle of the area, began a volume at 01:59 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

Salem/Mcnary, OR (KSLE), launched 00:00Z, 2.0 hours before the alert went out and 238 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 00:00Z on 2004-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2004-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2035 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
39 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 
WGUS51 KPDT 300202
FFWPDT
ORC069-300300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PENDLETON OR
700 PM PDT TUE JUN 29 2004

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A

* FLASH FLOOD WARNING CONTINUES FOR...
  WHEELER COUNTY IN CENTRAL OREGON

* UNTIL 800 PM PDT

* AT 653 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
  AREA OF FLASH FLOODING 8 MILES NORTH OF SPRAY...OR ABOUT 26 MILES
  SOUTHEAST OF CONDON...MOVING NORTH AT 20 MPH.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 4447 12035 4446 12003 4437 11968 4449 11968
          4496 11969 4501 12036

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 5:04 PM PDTFlash Flood WarningPDTGrant3 hr
Jun 29, 5:17 PM PDTFlash Flood WarningPDTWallowa3 hr
Jun 29, 5:23 PM PDTFlash Flood WarningPDTWheeler97 min
Jun 29, 6:54 PM PDTSevere Thunderstorm WarningPDTMorrow, Wheeler61 min
Jun 29, 7:00 PM PDTFlash Flood WarningPDTMorrow60 min
Jun 29, 9:47 PM PDTSevere Thunderstorm WarningPDTUmatilla43 min

Nearby

Flash Flood Warnings in Oregon, 2004Every flash flood warning in 2004

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.