Alert archive / California / Flash Flood Warnings in 2017
Flash Flood Warning 3, NWS Medford, OR
NWS Medford, OR issued this flash flood warning at Jun 25, 2017, 5:34 PM PDT for Siskiyou County, California. It was in force for 86 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 25, 2017, 5:34 PM PDT (00:34 UTC)
- Expired
- Jun 25, 2017, 7:00 PM PDT
- In force
- 86 min
- Issued by
- NWS Medford, OR
- Area
- Storm-based polygon
- Flood severity
- None
County Siskiyou County, CA
The radar
The Medford radar (KMAX), 56 km from the middle of the area, began a volume at 00:37 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 00:00Z, 0.6 hours before the alert went out and 81 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
- 715 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 3070 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
787
WGUS56 KMFR 260034
FFWMFR
CAC093-260200-
/O.NEW.KMFR.FF.W.0003.170626T0034Z-170626T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Medford OR
534 PM PDT SUN JUN 25 2017
The National Weather Service in Medford has issued a
* Flash Flood Warning for...
West central Siskiyou County in northern California...
* Until 700 PM PDT
* At 532 PM PDT, Doppler radar indicated near stationary
thunderstorms producing heavy rain across the warned area. Up to
two inches of rain have already fallen. Flash flooding is expected
to begin shortly.
Excessive rainfall over the burn scar may result in debris flows
moving through several drainages. The debris flows can consist of
rock, mud, vegetation and other loose materials.
Additional rainfall amounts of 1 inch or more are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 4175 12307 4168 12309 4167 12311 4165 12312
4163 12311 4161 12323 4177 12326
$$
BPN1 follow-up statement
733
WGUS76 KMFR 260156
FFSMFR
Flash Flood Statement
National Weather Service Medford OR
656 PM PDT SUN JUN 25 2017
CAC093-260206-
/O.EXP.KMFR.FF.W.0003.000000T0000Z-170626T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Siskiyou CA-
656 PM PDT SUN JUN 25 2017
...THE FLASH FLOOD WARNING FOR WEST CENTRAL SISKIYOU COUNTY WILL
EXPIRE AT 700 PM PDT...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4175 12307 4168 12309 4167 12311 4165 12312
4163 12311 4161 12323 4177 12326
$$
BPNThe office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 5:01 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 29 min |
| Jun 25, 5:03 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 27 min |
| Jun 25, 6:02 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 43 min |
| Jun 25, 6:22 PM PDT | Severe Thunderstorm Warning | MFR | Siskiyou | 38 min |
Nearby
Flash Flood Warnings in California, 2017Every flash flood warning in 2017
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.