Alert archive / Colorado / Winter Storm Warnings in 2014

Winter Storm Warning 9, NWS Pueblo, CO

April 26, 20146 counties in Colorado

NWS Pueblo, CO issued this winter storm warning at Apr 26, 2014, 3:54 AM MDT for 6 counties in Colorado. It took effect at Apr 26, 2014, 12:00 PM MDT. It was in force for 24 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: Apr 26, 2014, 3:54 AM MDT (09:54 UTC)
In effect from: Apr 26, 2014, 12:00 PM MDT
Expired: Apr 27, 2014, 12:00 PM MDT
In force: 24 hr
Issued by: NWS Pueblo, CO

Counties Chaffee County, CO, Conejos County, CO, Lake County, CO, Mineral County, CO, Rio Grande County, CO, Saguache County, CO

The radar

The Grand Junction radar (KGJX), 193 km from the middle of the area, began a volume at 09:57 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 00:00Z, 9.9 hours before the alert went out and 218 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 4590 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

456 
WWUS45 KPUB 260954
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
354 AM MDT SAT APR 26 2014

COZ058-060-061-066-068-261800-
/O.UPG.KPUB.WS.A.0010.140426T1800Z-140427T1800Z/
/O.NEW.KPUB.WS.W.0009.140426T1800Z-140427T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
WESTERN CHAFFEE COUNTY BETWEEN 9000 AND 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...MOSQUITO PASS...INDEPENDENCE PASS...
MT ELBERT...MT MASSIVE...GRANITE...NORTH PASS...CUMBRES PASS...
WOLF CREEK PASS
354 AM MDT SAT APR 26 2014

...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO NOON MDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER STORM
WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM NOON
TODAY TO NOON MDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.

* LOCATION...THE EASTERN SAN JUAN AND LA GARITA MOUNTAINS ABOVE
  10000 FEET...THE EASTERN SAWATCH MOUNTAINS AND WESTERN MOSQUITO
  RANGE ABOVE 11000 FEET...AND PORTIONS OF THE SAWATCH MOUNTAINS
  BETWEEN 9000 AND 11000 FEET.

* CAUSE AND TIMING...A STRONG UPPER LEVEL WEATHER SYSTEM WILL MOVE
  ACROSS THE AREA...BRINGING ABUNDANT MOISTURE AND SIGNIFICANT
  SNOWFALL TO THE HIGHER ELEVATIONS OF THE CONTINENTAL DIVIDE. THE
  HEAVIEST SNOWFALL WILL LIKELY OCCUR LATE THIS AFTERNOON AND INTO
  THE EVENING OVER THE SOUTHWEST MOUNTAINS...WHILE THE CENTRAL
  MOUNTAINS SEE THE HEAVIEST SNOWFALL LATER TONIGHT INTO EARLY
  SUNDAY MORNING.

* SNOW ACCUMULATION...9 TO 15 INCHES BY MIDDAY SUNDAY.

* WIND...SOUTHWEST 20 TO 30 MPH TODAY AND THIS EVENING...SHIFTING
  TO THE NORTHWEST AT 15 TO 25 MPH LATE TONIGHT.

* IMPACT...SNOW AND BLOWING SNOW WILL CAUSE HAZARDOUS TRAVEL
  CONDITIONS OVER THE MOUNTAIN PASSES ALONG THE CONTINENTAL
  DIVIDE...INCLUDING WOLF CREEK PASS AND MONARCH PASS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG WINDS AND REDUCED VISIBILITY ARE EXPECTED DUE TO HEAVY
SNOWFALL AND BLOWING SNOW.

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA DURING THE TIME OF THE WARNING...LISTEN TO
THE LATEST WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER
TIME OR BY ANOTHER ROUTE. IF YOU MUST TRAVEL IN THE WARNING AREA
DURING THE TIME OF THE WARNING...TAKE ALONG A WINTER SURVIVAL
KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY WITH YOUR
VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR VEHICLE...RUN
YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE EXHAUST PIPE
IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

&&

$$

Nearby

Winter Storm Warnings in Colorado, 2014 Every winter storm warning in 2014

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.