Alert archive / Oregon / Special Weather Statements in 2021
Special Weather Statement, NWS Medford, OR
NWS Medford, OR issued this special weather statement at Aug 1, 2021, 5:04 PM PDT for Douglas County, Oregon. It was in force for 26 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
- Aug 1, 2021, 5:04 PM PDT (00:04 UTC)
- Expired
- Aug 1, 2021, 5:30 PM PDT
- In force
- 26 min
- Issued by
- NWS Medford, OR
County Douglas County, OR
The radar
The Medford radar (KMAX), 92 km from the middle of the area, began a volume at 00:06 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, 0.1 hours before the alert went out and 60 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
- 212 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 3558 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
775 WWUS86 KMFR 020004 SPSMFR Special Weather Statement National Weather Service Medford OR 504 PM PDT Sun Aug 1 2021 ORZ023-025>027-020030- South Central Oregon Cascades-Jackson County-Eastern Douglas County Foothills-Central Douglas County- 504 PM PDT Sun Aug 1 2021 ...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL DOUGLAS AND NORTHERN JACKSON COUNTIES... At 502 PM PDT, a strong thunderstorm was located 9 miles southeast of Three C Rock Campground, or 30 miles west of Crater Lake, moving north at 30 mph. Winds up to 40 mph and half inch hail are possible with this storm. Locations impacted include... South Umpqua Falls Campground. LAT...LON 4279 12264 4285 12288 4308 12280 4303 12253 TIME...MOT...LOC 0002Z 199DEG 26KT 4290 12273 $$ CZS
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:19 PM PDT | Fire Weather Watch | MFR | Douglas, Jackson, Klamath, Lake | 22 hr |
| Aug 2, 3:19 PM PDT | Red Flag Warning | MFR | Coos, Douglas, Klamath, Lake | 29 hr |
Nearby
Special Weather Statements in Oregon, 2021Every special weather statement in 2021
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.