Alert archive / California / High Wind Warnings in 2009
High Wind Warning 2, NWS Medford, OR
NWS Medford, OR issued this high wind warning at Feb 21, 2009, 4:35 PM PST for Siskiyou County, California. It took effect at Feb 21, 2009, 6:00 PM PST. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 21, 2009, 4:35 PM PST (00:35 UTC)
- In effect from
- Feb 21, 2009, 6:00 PM PST
- Expired
- Feb 22, 2009, 3:31 AM PST
- In force
- 10 hr
- Issued by
- NWS Medford, OR
County Siskiyou County, CA
The radar
The Medford radar (KMAX), 56 km from the middle of the area, began a volume at 00:36 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 89 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
- 2336 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS76 KMFR 220035 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 435 PM PST SAT FEB 21 2009 ...HIGH WINDS EXPECTED TONIGHT IN THE SHASTA VALLEY... .WINDS ARE EXPECTED TO INCREASE THIS EVENING AND PERSIST THROUGH EARLY SUNDAY MORNING DUE TO STRONG WINDS FUNNELING THROUGH THE SHASTA VALLEY. WINDS WILL BE STRONGEST NEAR WEED ALONG THE I5 CORRIDOR. CAZ081-220815- /O.NEW.KMFR.HW.W.0002.090222T0200Z-090222T1200Z/ CENTRAL SISKIYOU COUNTY- INCLUDING THE CITIES OF...YREKA...WEED 435 PM PST SAT FEB 21 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 4 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 4 AM PST SUNDAY. STRONG SOUTHERLY WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED TO DEVELOP THIS EVENING AND PERSIST THROUGH EARLY MORNING IN THE SHASTA VALLEY. WINDS WILL BE STRONGEST ALONG THE I5 CORRIDOR NEAR WEED. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. IN ADDITION...HIGH PROFILE VEHICLES ON INTERSTATE 5 SHOULD TAKE CAUTION OR AVOID TRAVELING IF POSSIBLE. $$ MWJ
1 follow-up statement
000 WWUS76 KMFR 221131 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 331 AM PST SUN FEB 22 2009 ...HIGH WIND WARNING CANCELLED... .SOUTH WINDS WILL REMAIN BREEZY IN THE SHASTA VALLEY TODAY THROUGH TONIGHT...BUT WILL BE BELOW BOTH WARNING AND ADVISORY CRITERIA. CAZ081-221245- /O.CAN.KMFR.HW.W.0002.000000T0000Z-090222T1200Z/ CENTRAL SISKIYOU COUNTY- INCLUDING THE CITIES OF...YREKA...WEED 331 AM PST SUN FEB 22 2009 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE HIGH WIND WARNING. SOUTH WINDS 15 TO 30 MPH WITH GUSTS 30 TO 40 MPH WILL CONTINUE TODAY THROUGH TONIGHT IN THE SHASTA VALLEY. WHILE BREEZY...THESE WINDS ARE INSUFFICIENT TO MEET WARNING AND ADVISORY CRITERIA. $$ BTL
Nearby
High Wind Warnings in California, 2009Every high wind warning in 2009
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.