Alert archive / California / Wind Advisories in 2011
Wind Advisory 27, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Dec 30, 2011, 1:12 PM PST for Modoc County, Siskiyou County, California; Klamath County, Lake County, Oregon. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 30, 2011, 1:12 PM PST (21:12 UTC)
- Expired
- Dec 30, 2011, 5:00 PM PST
- In force
- 4 hr
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, Siskiyou County, CA, Klamath County, OR, Lake County, OR
The radar
The Medford radar (KMAX), 115 km from the middle of the area, began a volume at 21:13 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, 9.2 hours before the alert went out and 123 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
722 WWUS76 KMFR 302112 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 112 PM PST FRI DEC 30 2011 CAZ083>085-ORZ029>031-310100- /O.NEW.KMFR.WI.Y.0027.111230T2112Z-111231T0100Z/ NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY- NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY- KLAMATH BASIN- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...TULELAKE...ALTURAS...LAKEVIEW 112 PM PST FRI DEC 30 2011 ...WIND ADVISORY IN EFFECT UNTIL 5 PM PST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON. * WINDS...SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. LOCAL AREAS COULD GUST AS HIGH AS 60 MPH. HIGHER GUSTS WILL OCCUR NEAR SHOWERS. * TIMING...THROUGH LATE AFTERNOON TODAY. * LOCATIONS INCLUDE: KLAMATH FALLS...LAKEVIEW...TULELAKE... ALTURAS...SUMMER LAKE...HIGHWAYS 97...140...AND 395. * IMPACTS...TRAVEL INCONVENIENCES TO HIGH PROFILE VEHICLES. WEAK STRUCTURES MAY EXPERIENCE DAMAGE. LOOSE OBJECTS WILL BE BLOWN AROUND. SMALL BRANCHES COULD BREAK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED WITH HIGHER GUSTS POSSIBLE. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ STAVISH
1 follow-up statement
872 WWUS76 KMFR 310055 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 455 PM PST FRI DEC 30 2011 CAZ083>085-ORZ029>031-310200- /O.EXP.KMFR.WI.Y.0027.000000T0000Z-111231T0100Z/ NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY- NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY- KLAMATH BASIN- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...TULELAKE...ALTURAS...LAKEVIEW 455 PM PST FRI DEC 30 2011 ...WIND ADVISORY WILL EXPIRE AT 5 PM PST THIS AFTERNOON... THE WIND ADVISORY WILL EXPIRE AT 5 PM PST THIS AFTERNOON. GUSTY WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL BECOME NORTHWEST AND DIMINISH TO 10 TO 15 MPH THIS EVENING. $$
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 7:07 PM PST | Wind Advisory | MFR | Siskiyou | 8 hr |
| Dec 30, 2:53 AM PST | Hazardous Seas Warning | MFR | 24 hr | |
| Dec 30, 2:53 AM PST | Small Craft Advisory for Winds | MFR | 16 hr | |
| Dec 30, 2:53 AM PST | Small Craft Advisory for Hazardous Seas | MFR | 43 hr |
Nearby
Wind Advisories in California, 2011Wind Advisories in Oregon, 2011Every wind advisory in 2011
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.