Alert archive / Oregon / Flash Flood Warnings in 1998
Flash Flood Warning 5, NWS Pendleton, OR
NWS Pendleton, OR issued this flash flood warning at Jun 2, 1998, 9:36 PM PDT for Grant County, Oregon. It was in force for 4 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 2, 1998, 9:36 PM PDT (04:36 UTC)
- Expired
- Jun 3, 1998, 1:35 AM PDT
- In force
- 4 hr
- Issued by
- NWS Pendleton, OR
- Area
- Whole counties
County Grant County, OR
The radar
The Pendleton radar (KPDT), 134 km from the middle of the area, began a volume at 04:39 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, 4.6 hours before the alert went out and 319 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.
- Mixed-layer CAPE
- 9 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 930 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 Jun 2, 8:00 PM PDT, 1 hour 36 minutes earlier.
Area forecast discussion, Jun 2, 8:00 PM PDT, 1 hour 36 minutes before
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Local storm report, Jun 2, 6:09 PM PDT, 3 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENDLETON OREGON
609 PM PDT TUE JUN 02 1998
TIME(PDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0530 PM CENTERVILLE WA WIND DAMAGE
06/02/98 KLICKITAT FREQUENT THUNDER AND
LIGHTNING WITH QUICK BURST
OF RAIN. NO HAIL AND NO
STRONG WINDS. (SPOTTER
KLICKITAT 4)
0545 PM WISHRAM WA WIND DAMAGE
06/02/98 KLICKITAT BURST OF HEAVY RAIN WITH
LESS THAN PEA SIZE HAIL
AND FREQUENT LIGHTNING.
SPOTTER (KLICKITAT 14H)
0545 PM CLE ELUM WA WIND DAMAGE
06/02/98 KITTITAS RAIN .45 INCHES IN LESS
THAN 1 HOUR WITH FREQUENT
THUNDER AND LIGHTNING. NO
HAIL REPORTED (SPOTTER
KITTITAS 3)
0600 PM ADAMS OR WIND DAMAGE
06/02/98 UMATILLA THUNDERSTORM WITH FREQUENT
LIGHTNING AND GUST OF WIND
TO 35 MPH. ONLY SOME LIGHT
RAIN. (SPOTTER UMATILLA
2H)Local storm report, Jun 2, 7:26 PM PDT, 2 hours 10 minutes before
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Everything else NWS Pendleton, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 6:37 PM PDT | Flash Flood Warning | PDT | Wasco | 48 min |
Nearby
Flash Flood Warnings in Oregon, 1998Every flash flood warning in 1998
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.