Alert archive / Oregon / Wind Advisories in 2012
Wind Advisory 7, NWS Boise, ID
NWS Boise, ID issued this wind advisory at Mar 12, 2012, 2:07 AM PDT for Baker County, Harney County, Malheur County, Oregon. It took effect at Mar 12, 2012, 1:00 PM PDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Mar 12, 2012, 2:07 AM PDT (09:07 UTC)
- In effect from
- Mar 12, 2012, 1:00 PM PDT
- Expired
- Mar 12, 2012, 9:00 PM PDT
- In force
- 8 hr
- Issued by
- NWS Boise, ID
Counties Baker County, OR, Harney County, OR, Malheur County, OR
The radar
The Boise radar (KCBX), 150 km from the middle of the area, began a volume at 09:09 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
Boise Airport, ID (KBOI), launched 00:00Z, 9.1 hours before the alert went out and 152 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
- 1692 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
148 WWUS75 KBOI 120907 NPWBOI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BOISE ID 307 AM MDT MON MAR 12 2012 ...VERY WINDY CONDITIONS DEVELOPING TODAY THROUGH TUESDAY... .A SERIES OF PACIFIC SYSTEMS WILL MOVE ACROSS THE AREA THIS WEEK WITH A STRONG JETSTREAM DRIVING THESE STORMS ACROSS THE REGION. THIS FAST FLOW ALOFT WILL TRANSLATE INTO VERY WINDY CONDITIONS AT THE SURFACE OVER THE HIGHLANDS AND BLUE MOUNTAINS OF SOUTHEAST OREGON SPREADING EAST INTO SOUTHWEST IDAHO ON TUESDAY. ORZ061>063-122200- /O.NEW.KBOI.WI.Y.0007.120312T2000Z-120313T0400Z/ HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY- 307 AM MDT MON MAR 12 2012 /207 AM PDT MON MAR 12 2012/ ...WIND ADVISORY IN EFFECT FROM 2 PM MDT /1 PM PDT/ THIS AFTERNOON TO 10 PM MDT /9 PM PDT/ THIS EVENING... THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 2 PM MDT /1 PM PDT/ THIS AFTERNOON TO 10 PM MDT /9 PM PDT/ THIS EVENING. * WINDS...SOUTH TO SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS 50 TO 60 MPH. * TIMING...FROM EARLY THIS AFTERNOON THROUGH MID EVENING TONIGHT. VERY WINDY CONDITIONS DEVELOPING AGAIN OVER THIS SAME AREA ON TUESDAY. * IMPACTS...HAZARDOUS DRIVING CONDITIONS OVER OPEN TERRAIN...CANYONS AND PASSES. HIGH PROFILE VEHICLES ESPECIALLY PRONE TO STRONG CROSSWINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH... OR GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
2 follow-up statements
755 WWUS75 KBOI 122045 NPWBOI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BOISE ID 245 PM MDT MON MAR 12 2012 ...VERY WINDY AT TIMES THROUGH TUESDAY EVENING... .A STORM OFFSHORE IS FEW HOURS SLOWER MOVING INLAND SO GUSTY SOUTHWEST HAVE BEEN IN TE 20 TO 35 MPH RANGE SO FAR THIS AFTERNOON. WINDS WILL INCREASE THROUGH 6 PM THEN DIMINISH SOME FOR OVERNIGHT. THE COLD FRONT ASSOCIATED WITH THE PACIFIC STORM WILL BRING VERY WINDY CONDITIONS TO MUCH OF SOUTHEAST OREGON AND A PORTION OF SOUTHWEST IDAHO TUESDAY AFTERNOON AND EVENING...FOR ANOTHER ROUND OF GUSTY WINDS. ORZ061>063-130400- /O.CON.KBOI.WI.Y.0007.000000T0000Z-120313T0400Z/ HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY- 245 PM MDT MON MAR 12 2012 /145 PM PDT MON MAR 12 2012/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM MDT /9 PM PDT/ THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM MDT /9 PM PDT/ THIS EVENING FOR HARNEY BAKER AND MALHEUR COUNTIES. * WINDS...SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 45 MPH. * TIMING...THROUGH EARLY EVENING. VERY WINDY CONDITIONS ARE EXPECTED AGAIN TUESDAY. * IMPACTS...HAZARDOUS DRIVING CONDITIONS OVER OPEN TERRAIN... CANYONS AND PASSES. HIGH PROFILE VEHICLES ESPECIALLY PRONE TO STRONG CROSSWINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH... OR GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
901 WWUS75 KBOI 130345 NPWBOI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BOISE ID 945 PM MDT MON MAR 12 2012 ORZ061>063-130445- /O.EXP.KBOI.WI.Y.0007.000000T0000Z-120313T0400Z/ HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY- 945 PM MDT MON MAR 12 2012 /845 PM PDT MON MAR 12 2012/ ...WIND ADVISORY WILL EXPIRE AT 10 PM MDT /9 PM PDT/ THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 10 PM MDT /9 PM PDT/ THIS EVENING FOR HARNEY BAKER AND MALHEUR COUNTIES IN OREGON. WINDS HAVE DECREASED TO BELOW ADVISORY THRESHOLDS THIS EVENING. WINDS WILL INCREASE EARLY TUESDAY MORNING WITH PASSAGE OF A COLD FRONT. $$
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Boise, ID wrote its last area forecast discussion before this wind advisory went out at Mar 11, 7:42 PM PDT, 6 hours 25 minutes earlier.
Area forecast discussion, Mar 11, 7:42 PM PDT, 6 hours 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BOISE ID 841 MDT SUN MAR 11 2012 .DISCUSSION...COLD FRONT...WHICH MARKED A PERIOD OF GUSTY WINDS AS IT MARCHED THROUGH THE VALLEY...HAS MOVED OFF TO THE EAST THIS EVENING. WINDS HAVE BEEN DIMINISHING WITH GUSTS ENDING OR WEAKENING WELL BELOW ADVISORY THRESHOLDS. SHOWERS HAVE BEEN STEADILY INCREASING IN COVERAGE OVER THE PAST HOUR WITH A SW-NE ORIENTED BAND OF SHOWERS SETTING UP FROM SOUTHERN MALHEUR COUNTY EXTENDING ACROSS THE TREASURE VALLEY AND INTO THE BOISE/WEST CENTRAL MTNS. SNOW HAS STARTED TO FALL ONCE AGAIN IN MCCALL WHERE AN INCH OR TWO OF NEW SNOWFALL IS EXPECTED OVERNIGHT. MODELS ARE TRENDING DRIER AFTER MIDNIGHT AS THE UPPER LEVEL SUPPORT DRIVING THE SHOWERS LIFTS NORTHWARD. NEXT SYSTEM AMPLIFIES OFFSHORE AS THE LOW-MID LEVEL S-SW FLOW INCREASES WITH GUSTY WINDS RETURNING MONDAY AFTERNOON. WINDS MAY BE STRONG ENOUGH IN PORTIONS OF SE OREGON TO WARRANT A WIND ADVISORY. MOST OF THE AREA REMAINS DRY ON MONDAY BUT SHOWERS WILL BE POSSIBLE ACROSS THE FAR NORTH. FORECAST UPDATE WILL INCLUDE REMOVING THUNDERSTORMS AND RAISING POPS FOR THE REMAINDER OF THIS EVENING. && .AVIATION...VFR IN THE VALLEYS THROUGH MONDAY. SNOW AND LOW CEILINGS WILL OBSCURE TERRAIN IN SW IDAHO MTNS TONIGHT WITH MVFR CEILINGS LIKELY NOT SCATTERING OUT UNTIL NOON ON MONDAY. SW WINDS ALOFT TO 30 KTS WILL CONTINUE THROUGH MONDAY. SURFACE WINDS WILL GRADUALLY SHIFT TO THE EAST AND SOUTH TONIGHT INCREASING IN SPEED ACROSS SE OREGON ON MONDAY. && .PREV DISCUSSION... SHORT TERM...TONIGHT THROUGH TUESDAY...COLD FRONT WITH ISOLATED THUNDERSTORMS EXTENDED FROM AROUND DONNELLY TO JORDAN VALLEY AT 230 PM. EXPOSED FLAGSTAFF HILL RAWS GUSTED TO 64 MPH AS A THUNDERSTORM CROSSED IT. A SPOTTER NEAR INDIAN VALLEY ESTIMATED WIND GUSTS OF 50-60 MPH AS A SEPARATE THUNDERSTORM DEVELOPED THERE...THEN WEAKENED AS IT MOVED TOWARDS THE LONG VALLEY. GUSTY SW WINDS TO AROUND 50 MPH WERE REPORTED ACROSS A WIDE AREA WITH AND BEHIND THE FRONT ESPECIALLY OVER HARNEY AND MALHEUR COUNTIES. GUSTY WINDS WILL PROGRESS THROUGH SW IDAHO THEN DROP OFF AFTER SUNSET AS A SURFACE HIGH PRESSURE RIDGE WITH WEAK GRADIENT CROSSES SE OREGON AND SW IDAHO OVERNIGHT. SATELLITE GOES LI WERE NEGATIVE IS SPOTS NORTH THROUGH WEST OF BOISE AS OF 2 PM AND THE RUC MODELED CAPE EXCEEDED 200 J/KG IN EAST CENTRAL OREGON INCLUDING MUCH OF BAKER COUNTY AT 18Z/NOON MDT. THE NEXT SYSTEM WILL AMPLIFY DRAMATICALLY OFFSHORE BRINGING A ROUND OF SHOWERS AND GUSTY STRONG SOUTH WINDS TO OREGON AND CLOUDS WITH LOW POPS AND LESS STRONG EAST TO SE WINDS OVER IDAHO. THIS NEXT FRONT MOVES THROUGH SW IDAHO MONDAY NIGHT AND TUESDAY MORNING. TIMING CHANGES ARE POSSIBLE AS THE SYSTEM IS SO AMPLIFIED. LONG TERM...TUESDAY NIGHT THROUGH SUNDAY...A MOIST SOUTHWEST FLOW ALOFT WILL HOLD TEMPERATURES 5 TO 8 DEGREES ABOVE NORMAL THROUGH THURSDAY NIGHT. THERE WILL BE PRECIPITATION THROUGH THE PERIOD... WITH THE BEST CHANCES TUESDAY NIGHT AND AGAIN THURSDAY NIGHT AND FRIDAY. SNOW LEVELS WILL BE MAINLY ABOVE 5000 FEET TUESDAY NIGHT RISING TO OVER 7000 FEET THURSDAY NIGHT. ON FRIDAY A COLD FRONT WILL CROSS OUR AREA FOLLOWED BY MUCH COOLER WEATHER FOR THE WEEKEND AS A MAJOR UPPER LEVEL TROUGH DEEPENS OVER THE WESTERN U.S. MAX TEMPERATURES SATURDAY AND SUNDAY WILL BE 5 TO 10 DEGREES BELOW NORMAL...WITH MINS RETURNING TO NEAR NORMAL FOR FRIDAY NIGHT AND SATURDAY NIGHT. SHOWERS WILL BE SCATTERED...IN THE FORM OF SNOW OVER THE MOUNTAINS AND A MIX OF SNOW AND RAIN IN THE VALLEYS. && .BOI WATCHES/WARNINGS/ADVISORIES... ID...NONE. OR...NONE. && WEATHER.GOV/BOISE DISCUSSION...BW AVIATION.....DG PREV SHORT TERM...VM PREV LONG TERM....JT/WH
Hazardous weather outlook, Mar 11, 4:55 PM PDT, 9 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BOISE ID 555 PM MDT SUN MAR 11 2012 IDZ011>016-028>030-033-ORZ061>064-130000- WEST CENTRAL MOUNTAINS-LOWER TREASURE VALLEY ID-BOISE MOUNTAINS- UPPER TREASURE VALLEY-SOUTHWEST HIGHLANDS-WESTERN MAGIC VALLEY- CAMAS PRAIRIE-OWYHEE MOUNTAINS-SOUTHERN TWIN FALLS COUNTY- UPPER WEISER RIVER-HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY- LOWER TREASURE VALLEY OR- 555 PM MDT SUN MAR 11 2012 /455 PM PDT SUN MAR 11 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL IDAHO...SOUTHWEST IDAHO...WEST CENTRAL IDAHO...NORTHEAST OREGON AND SOUTHEAST OREGON. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
Nearby
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.