Alert archive / Colorado / Severe Thunderstorm Watches in 2012

Severe Thunderstorm Watch 382

June 12, 20124 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 12, 2012, 1:16 PM MDT for 4 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Jun 12, 2012, 1:16 PM MDT (19:16 UTC)
Expired
Jun 12, 2012, 9:00 PM MDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt

Counties Baca County, CO, Bent County, CO, Crowley County, CO, Kiowa County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO, Colfax County, NM, Guadalupe County, NM, Harding County, NM, Mora County, NM, Quay County, NM, San Miguel County, NM, Union County, NM, Cimarron County, OK, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Oldham County, TX

The radar

The Pueblo radar (KPUX), 153 km from the middle of the area, began a volume at 19:17 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
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 12, 2:32 PM MDTSevere Thunderstorm WarningABQColfax43 min
Jun 12, 2:44 PM MDTSevere Thunderstorm WarningABQColfax, Union31 min
Jun 12, 3:05 PM MDTSevere Thunderstorm WarningPUBBaca, Prowers40 min
Jun 12, 3:13 PM MDTSevere Thunderstorm WarningPUBLas Animas24 min
Jun 12, 3:15 PM MDTSevere Thunderstorm WarningABQColfax, Union15 min
Jun 12, 3:15 PM MDTSevere Thunderstorm WarningABQColfax45 min
Jun 12, 3:30 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas45 min
Jun 12, 3:44 PM MDTSevere Thunderstorm WarningPUBBaca46 min
Jun 12, 3:54 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas31 min
Jun 12, 3:59 PM MDTSevere Thunderstorm WarningABQColfax46 min
Jun 12, 4:29 PM MDTSevere Thunderstorm WarningPUBBaca31 min
Jun 12, 4:30 PM MDTSevere Thunderstorm WarningABQColfax45 min
Jun 12, 5:16 PM MDTSevere Thunderstorm WarningABQColfax, Union44 min
Jun 12, 5:41 PM MDTSevere Thunderstorm WarningABQDe Baca, Guadalupe49 min
Jun 12, 5:51 PM MDTSevere Thunderstorm WarningABQHarding, Mora54 min
Jun 12, 6:29 PM MDTSevere Thunderstorm WarningABQDe Baca, Guadalupe, Quay, Roosevelt46 min
Jun 12, 7:08 PM MDTSevere Thunderstorm WarningABQHarding, Union37 min
Jun 12, 7:14 PM MDTSevere Thunderstorm WarningABQCurry, De Baca, Quay, Roosevelt46 min
Jun 12, 7:31 PM MDTSevere Thunderstorm WarningABQHarding, Quay, Union44 min
Jun 12, 7:57 PM MDTSevere Thunderstorm WarningABQCurry, Quay, Roosevelt48 min
Jun 12, 8:18 PM MDTSevere Thunderstorm WarningABQQuay42 min
Jun 12, 8:18 PM MDTSevere Thunderstorm WarningAMAHartley, Oldham57 min
Jun 12, 8:34 PM MDTSevere Thunderstorm WarningABQHarding, Quay, San Miguel56 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 (KDNR), launched 12:00Z, 7.3 hours before the alert went out and 313 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 2012-06-12Temperature 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, Denver, CO at 12:00Z on 2012-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2616 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
151 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 12, 1:02 PM MDTMesoscale DiscussionSPCBaca, Bent, Las Animas, Otero, Prowers88 min
Jun 12, 1:23 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick67 min
Jun 12, 4:42 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Kiowa, Las Animas, Otero and 2 more63 min
Jun 12, 3:08 AM MDTMesoscale DiscussionSPCCurry, Quay2 hr
Jun 12, 2:00 PM MDTMesoscale DiscussionSPCChaves, De Baca, Eddy, Lea, Lincoln, Roosevelt60 min
Jun 12, 2:44 PM MDTSevere Thunderstorm WatchSPCChaves, Curry, De Baca, Eddy, Lea, Lincoln and 1 more8 hr
Jun 11, 6:38 PM MDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Haskell and 13 more67 min
Jun 11, 8:25 PM MDTSevere Thunderstorm WatchSPCAtoka, Bryan, Carter, Choctaw, Coal, Haskell and 10 more7 hr
Jun 11, 10:29 PM MDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Coal, Haskell, Johnston and 8 more61 min
Jun 11, 10:52 PM MDTSevere Thunderstorm WatchSPCMcCurtain6 hr
Jun 12, 9:32 AM MDTMesoscale DiscussionSPCCarter, Cotton, Jefferson, Love, Marshall, Murray and 1 more88 min
Jun 11, 6:11 PM MDTMesoscale DiscussionSPCBrown, Callahan, Clay, Coke, Coleman, Collin and 29 more94 min
Jun 11, 8:54 PM MDTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Clay, Coke and 31 more66 min
Jun 12, 1:54 AM MDTMesoscale DiscussionSPCBowie, Camp, Cass, Gregg, Harrison, Marion and 3 more96 min
Jun 12, 2:21 AM MDTSevere Thunderstorm WatchSPCBowie, Cass, Gregg, Harrison, Marion, Morris and 8 more8 hr
Jun 12, 5:08 AM MDTMesoscale DiscussionSPCNacogdoches, Panola, Shelby2 hr
Jun 12, 6:11 AM MDTSevere Thunderstorm WatchSPCHardin, Jasper, Jefferson, Newton, Orange, Tyler8 hr
Jun 12, 8:23 AM MDTMesoscale DiscussionSPCNacogdoches, Sabine, San Augustine, Shelby67 min
Jun 12, 10:00 AM MDTSevere Thunderstorm WatchSPCAnderson, Bell, Bosque, Brown, Callahan, Collin and 36 more6 hr
Jun 12, 11:12 AM MDTMesoscale DiscussionSPCChambers, Hardin, Jasper, Jefferson, Newton, Orange and 1 more63 min
Jun 12, 1:45 PM MDTMesoscale DiscussionSPCCoke, Coleman, Concho, Glasscock, Midland, Mitchell and 4 more60 min
Jun 12, 2:28 PM MDTMesoscale DiscussionSPCAnderson, Bell, Bosque, Brazos, Brown, Burleson and 37 more62 min
Jun 12, 2:56 PM MDTSevere Thunderstorm WatchSPCAnderson, Austin, Bell, Brazoria, Brazos, Burleson and 24 more4 hr

Nearby

Severe Thunderstorm Watches in Colorado, 2012Severe Thunderstorm Watches in New Mexico, 2012Severe Thunderstorm Watches in Texas, 2012Every severe thunderstorm watch 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.