Alert archive / Colorado / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 29, NWS Grand Junction, CO

June 16, 2015Garfield County, Rio Blanco County, Colorado

NWS Grand Junction, CO issued this severe thunderstorm warning at Jun 16, 2015, 5:52 PM MDT for Garfield County, Rio Blanco County, Colorado. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 16, 2015, 5:52 PM MDT (23:52 UTC)
Expired
Jun 16, 2015, 6:15 PM MDT
In force
23 min
Issued by
NWS Grand Junction, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Garfield County, CO, Rio Blanco County, CO

The radar

The Grand Junction radar (KGJX), 82 km from the middle of the area, began a volume at 23:52 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

Riverton, WY (KRIW), launched 12:00Z, 11.9 hours before the alert went out and 366 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-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2015-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2015-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1048 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Grand Junction, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 5:02 AM MDTSpecial Weather StatementGJTDelta, Mesa43 min
Jun 16, 5:59 AM MDTAreal Flood AdvisoryGJTEagle36 hr
Jun 16, 1:40 PM MDTSevere Thunderstorm WarningGJTMoffat35 min
Jun 16, 2:14 PM MDTSevere Thunderstorm WarningGJTMoffat31 min
Jun 16, 2:34 PM MDTSpecial Weather StatementGJTRoutt41 min
Jun 16, 2:44 PM MDTSevere Thunderstorm WarningGJTMoffat11 min
Jun 16, 2:46 PM MDTSpecial Weather StatementGJTRio Blanco44 min
Jun 16, 2:59 PM MDTSpecial Weather StatementGJTHinsdale16 min
Jun 16, 3:04 PM MDTSpecial Weather StatementGJTSan Juan41 min
Jun 16, 3:07 PM MDTSpecial Weather StatementGJTRoutt38 min
Jun 16, 3:10 PM MDTSpecial Weather StatementGJTRio Blanco50 min
Jun 16, 3:22 PM MDTSpecial Weather StatementGJTRoutt38 min
Jun 16, 3:36 PM MDTSpecial Weather StatementGJTRio Blanco39 min
Jun 16, 3:38 PM MDTSpecial Weather StatementGJTRio Blanco52 min
Jun 16, 4:15 PM MDTSpecial Weather StatementGJTRoutt45 min
Jun 16, 4:36 PM MDTSpecial Weather StatementGJTGarfield39 min
Jun 16, 5:02 PM MDTSpecial Weather StatementGJTDelta43 min
Jun 16, 5:23 PM MDTSpecial Weather StatementGJTGarfield52 min
Jun 16, 5:31 PM MDTSpecial Weather StatementGJTEagle29 min
Jun 16, 5:36 PM MDTSpecial Weather StatementGJTRio Blanco39 min
Jun 16, 5:44 PM MDTSpecial Weather StatementGJTDelta46 min
Jun 16, 5:49 PM MDTSpecial Weather StatementGJTRio Blanco41 min
Jun 16, 5:55 PM MDTSpecial Weather StatementGJTRio Blanco35 min
Jun 16, 1:36 PM MDTSpecial Weather StatementGJTDaggett39 min
Jun 16, 2:54 PM MDTSpecial Weather StatementGJTDaggett51 min
Jun 16, 3:44 PM MDTSpecial Weather StatementGJTDaggett46 min
Jun 16, 3:54 PM MDTSpecial Weather StatementGJTDaggett51 min
Jun 16, 4:37 PM MDTAreal Flood AdvisoryGJTUintah3 hr
Jun 16, 4:43 PM MDTSevere Thunderstorm WarningGJTDaggett, Uintah32 min
Jun 16, 5:15 PM MDTSpecial Weather StatementGJTDaggett45 min
Jun 16, 5:22 PM MDTSpecial Weather StatementGJTUintah38 min
Jun 16, 5:57 PM MDTSpecial Weather StatementGJTUintah48 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2015Every severe thunderstorm warning in 2015

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.