Alert archive / Colorado / Wind Advisories in 2012
Wind Advisory 4, NWS Grand Junction, CO
NWS Grand Junction, CO issued this wind advisory at Feb 23, 2012, 1:50 PM MST for La Plata County, Colorado. It took effect at Feb 23, 2012, 2:00 PM MST. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 23, 2012, 1:50 PM MST (20:50 UTC)
- In effect from
- Feb 23, 2012, 2:00 PM MST
- Expired
- Feb 23, 2012, 5:00 PM MST
- In force
- 3 hr
- Issued by
- NWS Grand Junction, CO
County La Plata County, CO
The radar
The Grand Junction radar (KGJX), 200 km from the middle of the area, began a volume at 20:53 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
Grand Junction, CO (KGJT), launched 12:00Z, 8.8 hours before the alert went out and 213 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
- 1724 m above ground
- 0-6 km bulk shear
- 104 kt
- 0-1 km storm-relative helicity
- 245 m²/s²
- 0-3 km storm-relative helicity
- 296 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
740 WWUS75 KGJT 232050 NPWGJT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND JUNCTION CO 150 PM MST THU FEB 23 2012 COZ022-240100- /O.CAN.KGJT.WI.Y.0003.000000T0000Z-120224T0100Z/ /O.NEW.KGJT.WI.Y.0004.120223T2100Z-120224T0100Z/ ANIMAS RIVER BASIN- INCLUDING THE CITIES OF...DURANGO...BAYFIELD...IGNACIO 150 PM MST THU FEB 23 2012 ...WIND ADVISORY IN EFFECT UNTIL 6 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM MST THIS EVENING. * TIMING...EXPECT STRONG GUSTY WINDS THROUGH THIS AFTERNOON. * WINDS...WEST TO NORTHWEST WINDS OF 20 TO 35 MPH WILL BE COMMON WITH OCCASIONAL GUSTS ABOVE 45 MPH. * IMPACTS...STRONG BUFFETING WINDS WILL MAKE TRAVEL DIFFICULT AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT A SIGNIFICANT WIND EVENT IS EXPECTED OR OCCURRING. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT. USE EXTRA CAUTION. PEOPLE...ESPECIALLY THOSE WITH RESPIRATORY ILLNESSES... HEART DISEASE...THE ELDERLY...AND CHILDREN ARE RECOMMENDED TO STAY INDOORS AND AVOID PROLONGED OUTDOOR EXERCISE OR HEAVY EXERTION DUE TO WIND-BLOWN DUST. && $$ COZ020-021-UTZ022-029-232200- /O.CAN.KGJT.WI.Y.0003.000000T0000Z-120224T0100Z/ PARADOX VALLEY/LOWER DOLORES RIVER- FOUR CORNERS/UPPER DOLORES RIVER-SOUTHEAST UTAH- CANYONLANDS/NATURAL BRIDGES- INCLUDING THE CITIES OF...GATEWAY...NUCLA...CORTEZ...DOVE CREEK... MANCOS...BLANDING...BLUFF...MEXICAN HAT 150 PM MST THU FEB 23 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS CANCELLED THE WIND ADVISORY. GUSTY WINDS OUT OF THE WEST TO NORTHWEST WILL CONTINUE THIS AFTERNOON...AND DECREASE AROUND SUNSET. HOWEVER WIND GUSTS ARE NOT EXPECTED TO REACH SPEEDS ABOVE 35 TO 40 MPH. $$
1 follow-up statement
241 WWUS75 KGJT 240000 NPWGJT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND JUNCTION CO 500 PM MST THU FEB 23 2012 COZ022-240100- /O.CAN.KGJT.WI.Y.0004.000000T0000Z-120224T0100Z/ ANIMAS RIVER BASIN- INCLUDING THE CITIES OF...DURANGO...BAYFIELD...IGNACIO 500 PM MST THU FEB 23 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS CANCELLED THE WIND ADVISORY. GUSTY WINDS OUT OF THE NORTHWEST WILL CONTINUE LATE THIS AFTERNOON ...DECREASING AROUND SUNSET. HOWEVER WIND GUSTS ARE NOT EXPECTED TO REACH SPEEDS ABOVE 40 MPH. $$ NL
The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 6:15 AM MST | Winter Weather Advisory | GJT | Delta, Garfield, Gunnison, Mesa, Montrose, Rio Blanco | 8 hr |
Nearby
Wind Advisories in Colorado, 2012Every wind advisory in 2012
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.