Alert archive / Idaho / Wind Advisories in 2012
Wind Advisory 2, NWS Boise, ID
NWS Boise, ID issued this wind advisory at Jan 20, 2012, 2:49 PM MST for 4 counties in Idaho. It took effect at Jan 21, 2012, 10:00 AM MST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 2012, 2:49 PM MST (21:49 UTC)
- In effect from
- Jan 21, 2012, 10:00 AM MST
- Expired
- Jan 21, 2012, 7:02 PM MST
- In force
- 9 hr
- Issued by
- NWS Boise, ID
Counties Gooding County, ID, Jerome County, ID, Owyhee County, ID, Twin Falls County, ID
The radar
The Boise radar (KCBX), 138 km from the middle of the area, began a volume at 21:49 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 12:00Z, 9.8 hours before the alert went out and 143 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
- 872 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
166 WWUS75 KBOI 202149 NPWBOI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BOISE ID 249 PM MST FRI JAN 20 2012 ...COLD FRONTAL PASSAGE EARLY SATURDAY FOLLOWED BY VERY WINDY CONDITIONS... .A MILD PACIFIC STORM WILL CROSS SOUTHWEST IDAHO WITH PERIODS OF MODERATE RAIN ACROSS THE WESTERN MAGIC VALLEY TONIGHT. A COLD FRONT WILL FOLLOW EARLY SATURDAY MORNING. STRONG WINDS AT THE SURFACE AND ALOFT WILL SPREAD WEST WINDS OF 30 MPH WITH GUSTS TO 45 MPH ACROSS THE MAGIC VALLEY SATURDAY. IDZ016-210700- /O.NEW.KBOI.WI.Y.0002.120121T1700Z-120122T0200Z/ WESTERN MAGIC VALLEY- 249 PM MST FRI JAN 20 2012 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM TO 7 PM MST SATURDAY. * WINDS...25 TO 35 MPH WITH GUSTS TO AROUND 45 MPH. * TIMING...LATE SATURDAY MORNING THROUGH EARLY SATURDAY EVENING. * IMPACTS...TRAVEL DIFFICULTIES ESPECIALLY ACROSS HANSEN AND PERRINE BRIDGES...NORTH SOUTH ORIENTED ROUTES. 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. && $$
4 follow-up statements
414 WWUS75 KBOI 210515 NPWBOI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BOISE ID 1015 PM MST FRI JAN 20 2012 ...COLD FRONTAL PASSAGE EARLY SATURDAY FOLLOWED BY VERY WINDY CONDITIONS... .A MILD PACIFIC STORM WILL CROSS SOUTHWEST IDAHO WITH PERIODS OF MODERATE RAIN ACROSS THE WESTERN MAGIC VALLEY TONIGHT. A COLD FRONT WILL FOLLOW LATE SATURDAY MORNING. A TIGHT PRESSURE GRADIENT ALONG WITH STRONG WINDS ALOFT WILL SPREAD SUSTAINED WEST WINDS AROUND 30 MPH...ALONG WITH GUSTS TO 45 MPH...ACROSS THE WESTERN MAGIC VALLEY FOR MUCH OF SATURDAY. IDZ016-211315- /O.CON.KBOI.WI.Y.0002.120121T1700Z-120122T0200Z/ WESTERN MAGIC VALLEY- 1015 PM MST FRI JAN 20 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM MST SATURDAY... * WINDS...25 TO 35 MPH WITH GUSTS TO AROUND 45 MPH. * TIMING...LATE SATURDAY MORNING THROUGH EARLY SATURDAY EVENING. * IMPACTS...HIGH PROFILE VEHICLES MAY HAVE TRAVEL DIFFICULTIES ON NORTH-SOUTH ORIENTED ROUTES...ESPECIALLY ACROSS HANSEN AND PERRINE BRIDGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH... OR GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
308 WWUS75 KBOI 211107 NPWBOI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BOISE ID 407 AM MST SAT JAN 21 2012 ...COLD FRONTAL PASSAGE EARLY SATURDAY FOLLOWED BY VERY WINDY CONDITIONS... .A TIGHT PRESSURE GRADIENT ALONG WITH STRONG WINDS ALOFT WILL SPREAD SUSTAINED WEST WINDS AROUND 30 MPH...ALONG WITH GUSTS TO 50 MPH...ACROSS THE WESTERN MAGIC VALLEY...SOUTHWEST HIGHLANDS AND SOUTHERN TWIN FALLS COUNTY FOR MUCH OF SATURDAY. IDZ015-030-212200- /O.EXA.KBOI.WI.Y.0002.120121T1700Z-120122T0200Z/ SOUTHWEST HIGHLANDS-SOUTHERN TWIN FALLS COUNTY- 407 AM MST SAT JAN 21 2012 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MST THIS EVENING. * WINDS...20 TO 35 MPH WITH GUSTS TO AROUND 50 MPH. * TIMING...LATE SATURDAY MORNING THROUGH EARLY SATURDAY EVENING. * IMPACTS...HIGH PROFILE VEHICLES MAY HAVE TRAVEL DIFFICULTIES ON NORTH-SOUTH ORIENTED ROUTES. HIGH WINDS GOING SOUTH FROM TWIN FALLS TO THE NEVADA LINE ON HWY 93 AND HWY 51 FROM BRUNEAU TO THE NEVADA STATE LINE. 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. && $$ IDZ016-212200- /O.CON.KBOI.WI.Y.0002.120121T1700Z-120122T0200Z/ WESTERN MAGIC VALLEY- 407 AM MST SAT JAN 21 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MST THIS EVENING... * WINDS...20 TO 35 MPH WITH GUSTS TO AROUND 45 MPH. * TIMING...LATE SATURDAY MORNING THROUGH EARLY SATURDAY EVENING. * IMPACTS...HIGH PROFILE VEHICLES MAY HAVE TRAVEL DIFFICULTIES ON NORTH-SOUTH ORIENTED ROUTES...ESPECIALLY ACROSS HANSEN AND PERRINE BRIDGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH... OR GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
100 WWUS75 KBOI 212150 NPWBOI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BOISE ID 250 PM MST SAT JAN 21 2012 ...VERY WINDY THIS AFTERNOON AND EVENING BEHIND COLD FRONT... .A COLD FRONT PASSING THROUGH SOUTH CENTRAL IDAHO THIS AFTERNOON WILL BE FOLLOWED BY VERY WINDY WEATHER THE REST OF TODAY AND THIS EVENING. WINDS WILL DECREASE OVERNIGHT. IDZ015-030-220400- /O.EXT.KBOI.WI.Y.0002.000000T0000Z-120122T0400Z/ SOUTHWEST HIGHLANDS-SOUTHERN TWIN FALLS COUNTY- 250 PM MST SAT JAN 21 2012 ...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM MST THIS EVENING... A WIND ADVISORY IS NOW IN EFFECT UNTIL 9 PM MST THIS EVENING IN THE SOUTHWEST IDAHO HIGHLANDS AND SOUTHERN TWIN FALLS COUNTY. * WINDS...25 TO 35 MPH WITH GUSTS TO 45 MPH. * TIMING...UNTIL 9 PM MST THIS EVENING. * IMPACTS...TRAVEL DIFFICULTIES FOR HIGH PROFILE VEHICLES ON NORTH-SOUTH ORIENTED ROUTES. 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. && $$ IDZ016-220400- /O.EXT.KBOI.WI.Y.0002.000000T0000Z-120122T0400Z/ WESTERN MAGIC VALLEY- 250 PM MST SAT JAN 21 2012 ...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM MST THIS EVENING... A WIND ADVISORY IS NOW IN EFFECT UNTIL 9 PM MST THIS EVENING IN THE WESTERN MAGIC VALLEY. * WINDS...25 TO 35 MPH WITH GUSTS TO 45 MPH. * TIMING...THROUGH 9 PM MST THIS EVENING. * IMPACTS...TRAVEL DIFFICULTIES FOR HIGH PROFILE VEHICLES ON NORTH-SOUTH ORIENTED ROUTES...AND ACROSS HANSEN AND PERRINE BRIDGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH... OR GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
148 WWUS75 KBOI 220202 NPWBOI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BOISE ID 702 PM MST SAT JAN 21 2012 ...WIND ADVISORY FOR THE WESTERN MAGIC VALLEY...SOUTHERN TWIN FALLS COUNTY...AND THE SOUTHWEST HIGHLANDS HAS BEEN CANCELLED... IDZ015-016-030-220315- /O.CAN.KBOI.WI.Y.0002.000000T0000Z-120122T0400Z/ SOUTHWEST HIGHLANDS-WESTERN MAGIC VALLEY- SOUTHERN TWIN FALLS COUNTY- 702 PM MST SAT JAN 21 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BOISE HAS CANCELLED THE WIND ADVISORY. WINDS HAVE DECREASED SINCE SUNSET AND THE WIND ADVISORY WILL BE CANCELLED IMMEDIATELY. THERE ARE STILL A FEW SHOWERS IN THE AREA...AND GUSTS NEAR THESE SHOWERS MAY REACH 35 MPH. HOWEVER... SUSTAINED WINDS WILL BE IN THE 15 TO 25 MPH RANGE FOR THE NEXT FEW HOURS BEFORE DECREASING TO 10 TO 20 AFTER MIDNIGHT. $$
The office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 19, 8:33 PM MST | Areal Flood Advisory | BOI | Twin Falls | 8 hr |
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.