Alert archive / New Mexico / Mesoscale Discussions in 2014

Mesoscale Discussion 1775

September 29, 20149 counties in Colorado; 12 counties in New Mexico

The Storm Prediction Center issued this mesoscale discussion at Sep 29, 2014, 2:54 PM MDT for 9 counties in Colorado; 12 counties in New Mexico. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued
Sep 29, 2014, 2:54 PM MDT (20:54 UTC)
Expired
Sep 29, 2014, 4:30 PM MDT
In force
96 min
Issued by
the Storm Prediction Center
All 21 counties

Baca County, CO, Bent County, CO, Crowley County, CO, Huerfano County, CO, Kiowa County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Colfax County, NM, Curry County, NM, De Baca County, NM, Guadalupe County, NM, Harding County, NM, Lincoln County, NM, Mora County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Torrance County, NM, Union County, NM

The radar

The Cannon AFB radar (KFDX), 132 km from the middle of the area, began a volume at 20:57 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

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 8.9 hours before the alert went out and 221 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 2014-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 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 2014-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
277 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1275 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 29, 11:56 AM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Costilla, Crowley, Custer and 8 more2 hr
Sep 29, 1:19 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Cheyenne, Denver, Elbert, Kit Carson and 8 more56 min
Sep 29, 1:33 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Crowley, Custer, El Paso, Fremont and 7 more7 hr
Sep 29, 2:01 PM MDTTornado WatchSPCAdams, Arapahoe, Cheyenne, Douglas, Elbert, Kit Carson and 8 more7 hr
Sep 29, 4:52 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Lincoln, Logan, Morgan, Phillips and 3 more83 min

Nearby

Mesoscale Discussions in New Mexico, 2014Mesoscale Discussions in Colorado, 2014Every mesoscale discussion 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.