Alert archive / Colorado / Severe Thunderstorm Watches in 2014

Severe Thunderstorm Watch 241

June 6, 201426 counties in Colorado

The Storm Prediction Center issued this severe thunderstorm watch at Jun 6, 2014, 12:38 PM MDT for 26 counties in Colorado. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 6, 2014, 12:38 PM MDT (18:38 UTC)
Expired
Jun 6, 2014, 8:00 PM MDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 26 counties

Adams County, CO, Arapahoe County, CO, Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Huerfano County, CO, Kiowa County, CO, Kit Carson County, CO, Las Animas County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Pueblo County, CO, Sedgwick County, CO, Teller County, CO, Washington County, CO, Weld County, CO, Yuma County, CO

The radar

The Denver radar (KFTG), 74 km from the middle of the area, began a volume at 18:40 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
20%
One or more EF2 to EF5 tornadoes
5%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

56 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 6, 12:45 PM MDTSevere Thunderstorm WarningPUBLas Animas45 min
Jun 6, 1:13 PM MDTSevere Thunderstorm WarningBOULogan, Sedgwick47 min
Jun 6, 1:23 PM MDTSevere Thunderstorm WarningPUBLas Animas52 min
Jun 6, 1:29 PM MDTFlash Flood WarningBOULogan3 hr
Jun 6, 1:32 PM MDTSevere Thunderstorm WarningPUBHuerfano, Las Animas43 min
Jun 6, 1:38 PM MDTTornado WarningBOUDouglas37 min
Jun 6, 1:41 PM MDTTornado WarningBOULogan, Sedgwick34 min
Jun 6, 1:50 PM MDTTornado WarningBOUWeld25 min
Jun 6, 1:53 PM MDTSevere Thunderstorm WarningBOULogan, Weld37 min
Jun 6, 1:56 PM MDTTornado Warning Tornado observedPUBLas Animas34 min
Jun 6, 1:58 PM MDTSevere Thunderstorm WarningBOUMorgan, Weld28 min
Jun 6, 2:08 PM MDTSevere Thunderstorm WarningBOUDouglas, Elbert33 min
Jun 6, 2:13 PM MDTTornado WarningBOUWeld17 min
Jun 6, 2:14 PM MDTTornado WarningBOUPhillips, Sedgwick31 min
Jun 6, 2:22 PM MDTSevere Thunderstorm WarningPUBEl Paso23 min
Jun 6, 2:23 PM MDTTornado Warning Tornado observedPUBLas Animas37 min
Jun 6, 2:28 PM MDTSevere Thunderstorm WarningBOULogan, Weld32 min
Jun 6, 2:34 PM MDTTornado WarningBOUWeld26 min
Jun 6, 2:39 PM MDTSevere Thunderstorm WarningPUBEl Paso51 min
Jun 6, 2:41 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers49 min
Jun 6, 2:43 PM MDTTornado WarningBOUSedgwick32 min
Jun 6, 2:48 PM MDTTornado WarningBOUAdams, Arapahoe, Elbert27 min
Jun 6, 2:50 PM MDTTornado WarningBOUWeld25 min
Jun 6, 2:52 PM MDTTornado Warning Tornado observedPUBLas Animas23 min
Jun 6, 2:54 PM MDTTornado WarningBOUMorgan36 min
Jun 6, 2:56 PM MDTTornado Warning Tornado observedBOUMorgan, Weld19 min
Jun 6, 3:05 PM MDTTornado WarningBOULogan25 min
Jun 6, 3:05 PM MDTSevere Thunderstorm WarningPUBPueblo40 min
Jun 6, 3:08 PM MDTSevere Thunderstorm WarningPUBLas Animas52 min
Jun 6, 3:10 PM MDTTornado WarningBOUPhillips, Sedgwick35 min
Jun 6, 3:10 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas50 min
Jun 6, 3:10 PM MDTSevere Thunderstorm WarningPUBKiowa50 min
Jun 6, 3:12 PM MDTTornado WarningBOUArapahoe, Elbert, Lincoln, Washington33 min
Jun 6, 3:14 PM MDTSevere Thunderstorm WarningPUBLas Animas23 min
Jun 6, 3:17 PM MDTTornado WarningPUBBaca, Bent, Las Animas28 min
Jun 6, 3:19 PM MDTFlash Flood WarningBOUSedgwick3 hr
Jun 6, 3:20 PM MDTSevere Thunderstorm WarningPUBEl Paso19 min
Jun 6, 3:36 PM MDTSevere Thunderstorm WarningBOUPhillips24 min
Jun 6, 3:44 PM MDTSevere Thunderstorm WarningPUBPueblo23 min
Jun 6, 3:45 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers45 min
Jun 6, 3:51 PM MDTSevere Thunderstorm WarningGLDCheyenne39 min
Jun 6, 3:51 PM MDTSevere Thunderstorm WarningPUBPueblo39 min
Jun 6, 4:05 PM MDTSevere Thunderstorm WarningGLDYuma55 min
Jun 6, 4:14 PM MDTSevere Thunderstorm WarningPUBCrowley, El Paso, Pueblo46 min
Jun 6, 4:15 PM MDTTornado WarningPUBKiowa, Prowers60 min
Jun 6, 4:19 PM MDTSevere Thunderstorm WarningBOUWashington26 min
Jun 6, 4:20 PM MDTTornado WarningGLDYuma40 min
Jun 6, 4:43 PM MDTSevere Thunderstorm WarningGLDYuma62 min
Jun 6, 4:44 PM MDTSevere Thunderstorm WarningPUBKiowa27 min
Jun 6, 5:16 PM MDTSevere Thunderstorm WarningGLDYuma59 min
Jun 6, 5:19 PM MDTTornado WarningGLDCheyenne, Kit Carson26 min
Jun 6, 5:47 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson28 min
Jun 6, 5:50 PM MDTTornado WarningGLDCheyenne25 min
Jun 6, 6:04 PM MDTSevere Thunderstorm WarningPUBBaca27 min
Jun 6, 6:10 PM MDTFlash Flood WarningBOUSedgwick2 hr
Jun 6, 6:12 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson63 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 6.6 hours before the alert went out and 79 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, Denver, CO at 12:00Z on 2014-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 367 joules per kilogram.LCLLFCEL10008507005003002001001 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, Denver, CO at 12:00Z on 2014-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 square meters per square second.193958Sfc1 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
367 J/kg
Mixed-layer CIN
-256 J/kg
Mixed-layer LCL
1813 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 6:37 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Broomfield, Cheyenne and 17 more113 min
Jun 5, 10:49 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Las Animas, Otero116 min
Jun 6, 11:56 AM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 14 more2 hr
Jun 6, 2:32 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 17 more58 min
Jun 6, 4:33 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kit Carson, Yuma7 hr
Jun 6, 5:13 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 4 more2 hr

Nearby

Severe Thunderstorm Watches in Colorado, 2014Every severe thunderstorm watch 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.