Alert archive / Colorado / Wind Advisories in 2010
Wind Advisory 7, NWS Grand Junction, CO
NWS Grand Junction, CO issued this wind advisory at Apr 29, 2010, 3:27 AM MDT for 10 counties in Colorado. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Apr 29, 2010, 3:27 AM MDT (09:27 UTC)
- Expired
- Apr 29, 2010, 6:00 PM MDT
- In force
- 15 hr
- Issued by
- NWS Grand Junction, CO
Counties Archuleta County, CO, Dolores County, CO, Gunnison County, CO, Hinsdale County, CO, La Plata County, CO, Montezuma County, CO, Montrose County, CO, Ouray County, CO, San Juan County, CO, San Miguel County, CO
The radar
The Grand Junction radar (KGJX), 140 km from the middle of the area, began a volume at 09:25 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
Albuquerq/Krtlnd, NM (KABQ), launched 00:00Z, 9.5 hours before the alert went out and 329 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
- 3765 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Grand Junction, CO wrote its last area forecast discussion before this wind advisory went out at Apr 28, 2:38 PM MDT, 12 hours 49 minutes earlier.
Area forecast discussion, Apr 28, 2:38 PM MDT, 12 hours 49 minutes before
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</html>Hazardous weather outlook, Apr 28, 5:45 AM MDT, 21 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 545 AM MDT WED APR 28 2010 COZ001>014-017>023-UTZ022>025-027>029-291145- ANIMAS RIVER BASIN-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES- CENTRAL COLORADO RIVER BASIN- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN- CENTRAL YAMPA RIVER BASIN-DEBEQUE TO SILT CORRIDOR- EASTERN UINTA BASIN-EASTERN UINTA MOUNTAINS- ELKHEAD AND PARK MOUNTAINS-FLAT TOPS- FOUR CORNERS/UPPER DOLORES RIVER- GORE AND ELK MOUNTAINS/CENTRAL MOUNTAINS-GRAND AND BATTLEMENT MESAS- GRAND VALLEY-LA SAL AND ABAJO MOUNTAINS-LOWER YAMPA RIVER BASIN- NORTHWEST SAN JUAN MOUNTAINS-PARADOX VALLEY/LOWER DOLORES RIVER- ROAN AND TAVAPUTS PLATEAUS-SAN JUAN RIVER BASIN-SOUTHEAST UTAH- SOUTHWEST SAN JUAN MOUNTAINS-TAVAPUTS PLATEAU- UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-UPPER GUNNISON RIVER VALLEY- UPPER YAMPA RIVER BASIN-WEST ELK AND SAWATCH MOUNTAINS- 545 AM MDT WED APR 28 2010 ...VERY WINDY CONDITIONS TODAY WITH RAIN AND SNOW DEVELOPING THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT SOUTHWEST WINDS WILL INCREASE THIS MORNING...BECOMING VERY STRONG BY MIDDAY. AS A RESULT A HIGH WIND WARNING HAS BEEN ISSUED FOR PORTIONS OF WESTERN COLORADO AND EASTERN UTAH. IN ADDITION...DRY VEGETATION AND LOW RELATIVE HUMIDITY WILL COMBINE WITH THE WINDS TO SUPPORT RAPID FIRE SPREAD. THEREFORE A RED FLAG WARNING WILL ALSO BE IN EFFECT FROM 9 AM UNTIL 9 PM. THE CHANCE FOR RAIN AND SNOW WILL ARRIVE THIS EVENING AND BECOME WIDESPREAD AS A MAJOR STORM MOVES OVER THE REGION. SNOW ACCUMULATIONS FOR THE NORTHERN AND CENTRAL AMOUNTS ARE EXPECTED TO REACH 6 TO 10 INCHES WITH LOCALLY HEAVIER AMOUNTS. THEREFORE A WINTER WEATHER ADVISORY HAS BEEN ISSUED FROM 6 PM WEDNESDAY THROUGH 6 PM THURSDAY. PLEASE SEE THE NATIONAL WEATHER SERVICE GRAND JUNCTION WEB SITE AT HTTP://WEATHER.GOV/GJT FOR ADDITIONAL INFORMATION. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SNOW WILL CONTINUE...MAINLY OVER THE HIGHER ELEVATIONS THROUGH THURSDAY...WITH THE NORTHERN AND CENTRAL COLORADO FAVORED. COLDER AIR WILL MOVE INTO THE REGION ON THURSDAY WITH LOW TEMPERATURES FALLING BELOW FREEZING ACROSS MUCH OF THE FORECAST AREA OVERNIGHT. BELOW NORMAL TEMPERATURES AND THE CHANCE FOR RAIN AND SNOW WILL CONTINUE INTO EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. TGJT
The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 4:38 AM MDT | Freeze Warning | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 28 hr |
| Apr 29, 11:24 AM MDT | Winter Storm Warning | GJT | Delta, Eagle, Garfield, Gunnison, Mesa, Moffat and 4 more | 43 hr |
| Apr 29, 3:04 PM MDT | Freeze Watch | GJT | Delta, Garfield, Gunnison, Mesa, Montrose | 21 hr |
Nearby
Wind Advisories in Colorado, 2010Every wind advisory in 2010
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.