Alert archive / Colorado / Mesoscale Discussions in 2012

Mesoscale Discussion 1145

June 12, 20124 states

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2012, 4:42 PM MDT for 4 states. It was in force for 63 min.

The area

The outline as issued.

The facts

Issued
Jun 12, 2012, 4:42 PM MDT (22:42 UTC)
Expired
Jun 12, 2012, 5:45 PM MDT
In force
63 min
Issued by
the Storm Prediction Center

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

The radar

The Cannon AFB radar (KFDX), 198 km from the middle of the area, began a volume at 22:44 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 12:00Z, 10.7 hours before the alert went out and 274 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, Albuquerq/Krtlnd, NM at 12:00Z on 2012-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Albuquerq/Krtlnd, NM at 12:00Z on 2012-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 square meters per square second.1939587897Sfc1 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
3 J/kg
Mixed-layer CIN
-400 J/kg
Mixed-layer LCL
2605 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
143 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.

932 
ACUS11 KWNS 122243
SWOMCD
SPC MCD 122242
KSZ000-OKZ000-COZ000-TXZ000-NMZ000-122345-

MESOSCALE DISCUSSION 1145
NWS STORM PREDICTION CENTER NORMAN OK
0542 PM CDT TUE JUN 12 2012

AREAS AFFECTED...SERN CO...NERN NM...WRN OK/TX PANHANDLE

CONCERNING...SEVERE THUNDERSTORM WATCH 382...

VALID 122242Z - 122345Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 382
CONTINUES.

SUMMARY...ISOLATED SEVERE HAIL AND GUSTY WINDS MAY BE NOTED WITH
STORMS THIS EVENING.

DISCUSSION...LATEST VIS IMAGERY SUGGESTS HEALTHY UPDRAFTS ARE
ASSOCIATED WITH CONVECTION THAT EXTENDS ACROSS NERN NM INTO SERN CO.
THIS ACTIVITY IS DEVELOPING WITHIN UPSLOPE REGIONS OF RETURN FLOW
ALONG NRN PLUME OF SRN HIGH PLAINS INSTABILITY AXIS.  WITH LLJ
EXPECTED TO HOLD ACROSS THE HIGH PLAINS SHEAR PROFILES FAVOR SLOW
SEWD PROPAGATING STORMS CAPABLE OF PRODUCING LARGE HAIL AT
TIMES...ALONG WITH GUSTY WINDS.  THESE STORMS SHOULD STRUGGLE TO
MAINTAIN INTENSITY AS THEY MOVE TOWARD LOWER ELEVATIONS.

..DARROW.. 06/12/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...DDC...GLD...AMA...PUB...ABQ...

LAT...LON   34970541 38500455 38490197 34970290 34970541

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, 1:16 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more8 hr
Jun 12, 1:23 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick67 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

Mesoscale Discussions in Colorado, 2012Mesoscale Discussions in New Mexico, 2012Mesoscale Discussions in Oklahoma, 2012Every mesoscale discussion 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.