Alert archive / Oregon / Tornado Warnings in 2005
Tornado Warning 1, NWS Medford, OR
NWS Medford, OR issued this tornado warning at Aug 21, 2005, 4:09 PM PDT for Lake County, Oregon. It was in force for 36 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 21, 2005, 4:09 PM PDT (23:09 UTC)
- Expired
- Aug 21, 2005, 4:45 PM PDT
- In force
- 36 min
- Issued by
- NWS Medford, OR
- Area
- Counties, with a storm outline in the text
County Lake County, OR
The radar
The Medford radar (KMAX), 168 km from the middle of the area, began a volume at 23:13 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, 11.2 hours before the alert went out and 154 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
- 1607 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS56 KMFR 212310 TORMFR ORC037-212345- /O.NEW.KMFR.TO.W.0001.050821T2309Z-050821T2345Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MEDFORD OR 409 PM PDT SUN AUG 21 2005 THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A * TORNADO WARNING FOR... WEST CENTRAL LAKE COUNTY IN SOUTH CENTRAL OREGON * UNTIL 445 PM PDT * AT 400 PM PDT...THE PUBLIC REPORTED A TORNADO 3 MILES WEST OF CHRISTMAS VALLEY...MOVING NORTH AT 5 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... SILVER LAKE BY 445 PM PDT THIS IS A SMALL AND WEAK TORNADO...BUT STILL CAPABLE OF CAUSING DAMAGE AND INJURIES. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4299 12130 4293 12106 4321 12096 4329 12128 $$ STOCKTON
1 follow-up statement
000 WWUS56 KMFR 212342 SVSMFR SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEDFORD OR 440 PM PDT SUN AUG 21 2005 ORC037-220015- /O.CON.KMFR.TO.W.0001.000000T0000Z-050821T2345Z/ LAKE OR- 440 PM PDT SUN AUG 21 2005 ...TORNADO WARNING CANCELLED FOR WEST CENTRAL LAKE COUNTY... THE TORNADO WARNING FOR WEST CENTRAL LAKE COUNTY HAS BEEN CANCELLED. DOPPLER RADAR REPORTS INDICATE THAT THE THUNDERSTORM THAT SPAWNED A WEAK TORNADO IN LAKE COUNTY IS WEAKENING. LAT...LON 4299 12130 4293 12106 4321 12096 4329 12128 $$ STOCKTON
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 4:21 PM PDT | Severe Thunderstorm Warning | MFR | Klamath | 25 min |
Nearby
Tornado Warnings in Oregon, 2005Every tornado warning in 2005Tornadoes in 2005
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.