Alert archive / Oregon / Flash Flood Warnings in 1998
Flash Flood Warning 10, NWS Medford, OR
NWS Medford, OR issued this flash flood warning at Jul 3, 1998, 3:40 PM PDT for Lake County, Oregon. It was in force for 3 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
- Jul 3, 1998, 3:40 PM PDT (22:40 UTC)
- Expired
- Jul 3, 1998, 6:35 PM PDT
- In force
- 3 hr
- Issued by
- NWS Medford, OR
- Area
- Whole counties
County Lake County, OR
The radar
The Medford radar (KMAX), 207 km from the middle of the area, began a volume at 22:43 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 10.7 hours before the alert went out and 203 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Medford, OR wrote its last area forecast discussion before this flash flood warning went out at Jul 3, 2:30 PM PDT, 1 hour 10 minutes earlier.
Area forecast discussion, Jul 3, 2:30 PM PDT, 1 hour 10 minutes before
SOUTHWEST OREGON/NORTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEDFORD OR 230 PM PDT FRI JUL 03 1998 TSTORMS FIRING UP RIGHT ON SCHEDULE CASCADES/SISKIYOUS EWD THIS AFTN..AND SHUD CONT INTO THE EVE. LO CLOUDS NOT SHOWING MUCH SIGN OF CLEARING NORTH OF UMPQUA DIVIDE SO CLOUDY TNGT..WITH INCREASING LO CLOUDS LATE SOUTH OF DIVIDE. UPR TROF STILL OVERHEAD SAT AND EXPECT MORE OR LESS A REPEAT OF TODAY. SCATTERED TSTORMS MOUNTAINS EWD..LO CLOUDS W SIDE WITH AFTERNOON CLEARING. MODELS SHOWING STRONGER SURFACE RIDGE INTO NRN ORE SAT/SUN SO THIS WILL PROVIDE BETTER CLEARING OF LO CLOUDS. UPR LO SLOWLY LIFTING OUT SUN WITH DECREASING INSTABILITY..SO LESS TSTORMS AND OVERALL A BETTER DAY WITH WARMER TEMPS. RC KMFR...NONE .KMAX...VCP 21 ...SEE PDXCCFPDX FOR CODED CITIES FORECAST MFR BB 059/083 057/086 057 06---O LMT BB 049/079 049/080 049 063222 RBG EB 057/076 057/079 057 06---- 4BK EB 053/070 053/072 052 06---- OTH EE 055/065 054/067 053 061111 YKA BB 050/084 050/087 050 063221 MHS BB 054/080 054/082 054 063221 S11 BB 048/081 048/084 048 063332
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 3:43 PM PDT | Flash Flood Warning | MFR | Lake | 3 hr |
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.