Alert archive / Oregon / Special Weather Statements in 2021
Special Weather Statement, NWS Medford, OR
NWS Medford, OR issued this special weather statement at Aug 5, 2021, 3:52 PM PDT for Lake County, Oregon. It was in force for 53 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 5, 2021, 3:52 PM PDT (22:52 UTC)
- Expired
- Aug 5, 2021, 4:45 PM PDT
- In force
- 53 min
- Issued by
- NWS Medford, OR
- Hail
- 0.50 in
- Wind
- 50
County Lake County, OR
The radar
The Medford radar (KMAX), 196 km from the middle of the area, began a volume at 22:54 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, 10.9 hours before the alert went out and 186 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
- 92 J/kg
- Mixed-layer CIN
- -621 J/kg
- Mixed-layer LCL
- 1832 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
040
WWUS86 KMFR 052252
SPSMFR
Special Weather Statement
National Weather Service Medford OR
352 PM PDT Thu Aug 5 2021
ORZ030-031-052345-
Central and Eastern Lake County OR-
Northern and Eastern Klamath County and Western Lake County OR-
352 PM PDT Thu Aug 5 2021
...A strong thunderstorm will impact portions of northwestern Lake
County through 445 PM PDT...
At 351 PM PDT, Doppler radar was tracking a strong thunderstorm 9
miles northeast of Summer Lake Wildlife Area, or 57 miles southeast
of La Pine, moving east at 15 to 20 mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Crack In The Ground, Silver Lake, Farm Well Campground And Trailhead,
Summer Lake Safety Rest Area, Summer Lake Wildlife Area and Summer
Lake.
This includes Highway 31 in Oregon between mile markers 41 and 72.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4290 12095 4318 12116 4349 12055 4302 12017
TIME...MOT...LOC 2251Z 259DEG 15KT 4310 12066
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
$$
StavishThe office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 2:18 PM PDT | Special Weather Statement | MFR | Klamath | 27 min |
| Aug 5, 3:02 PM PDT | Special Weather Statement | MFR | Klamath | 28 min |
| Aug 5, 3:56 PM PDT | Special Weather Statement | MFR | 64 min |
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.