Alert archive / New Mexico / Mesoscale Discussions in 2024

Mesoscale Discussion 2152

October 20, 20248 counties in New Mexico

The Storm Prediction Center issued this mesoscale discussion at Oct 20, 2024, 3:58 PM MDT for 8 counties in New Mexico. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Oct 20, 2024, 3:58 PM MDT (21:58 UTC)
Expired
Oct 20, 2024, 6:00 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch possible
Chance of a watch
60%

Counties De Baca County, NM, Guadalupe County, NM, Harding County, NM, Los Alamos County, NM, Mora County, NM, San Miguel County, NM, Santa Fe County, NM, Union County, NM

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.0 hours before the alert went out and 277 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, Amarillo Airport, TX at 12:00Z on 2024-10-20Temperature 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 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2024-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
1139 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 20, 1:58 PM MDTMesoscale DiscussionSPCColfax, Rio Arriba, Taos3 hr
Oct 20, 5:58 PM MDTSevere Thunderstorm WatchSPCChaves, Colfax, Curry, De Baca, Guadalupe, Harding and 6 more7 hr

Nearby

Mesoscale Discussions in New Mexico, 2024Every mesoscale discussion in 2024

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.