A backdoor front brought moist easterly upslope flow into northeastern NM on June 11th and June 12th. Discrete supercells fired up along the east slopes of the Sangre de Cristo Mountains during the early afternoon hours of June 11th dropping large to destructive hail as they translated east towards the Texas and Oklahoma Panhandles. More storms developed off the east slopes of the Sangre de Cristo Mountains around sunset dropping more large to destructive hail across the region during the overnight hours into Monday morning. Storms eventually trained over the same areas resulting in major flash flooding over Colfax, Union, Mora and Harding Counties. More discrete supercells fired up midday June 12th tracking east before exiting into the Texas Panhandle around sunset.

Hail in UNION, NEW MEXICO
From 11-JUN-23 23:58:00 to 12-JUN-23 00:17:00 (MST-7)
Location: SEDAN
Magnitude: 1.50 
Reported by: Trained Spotter

Ping pong ball sized hail fell with a supercell as it moved southeast through southern Union County.

Hail in UNION, NEW MEXICO
From 11-JUN-23 22:15:00 to 11-JUN-23 22:35:00 (MST-7)
Location: GLADSTONE
Magnitude: 2.50 
Reported by: Trained Spotter

Tennis ball size hail observed with supercell as it moved southeast into southwest Union County.

Hail in UNION, NEW MEXICO
From 11-JUN-23 22:51:00 to 11-JUN-23 23:10:00 (MST-7)
Location: PASAMONTE
Magnitude: 2.75 
Property damage: 20.00K
Reported by: COOP Observer

Initially reported golf ball sized hail. Hail diameter grew to tennis to baseball size hail around Pasamonte. Significant damage to homes and vehicles. Downed tree branches. Bank full flows on area creeks. Damage cost is an estimate.

Hail in UNION, NEW MEXICO
From 11-JUN-23 23:30:00 to 11-JUN-23 23:45:00 (MST-7)
Location: CLAPHAM
Magnitude: 2.50 
Property damage: 80.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail caused vehicle and roof damage near Sedan.

Hail in COLFAX, NEW MEXICO
From 11-JUN-23 22:02:00 to 11-JUN-23 22:40:00 (MST-7)
Location: FARLEY
Magnitude: 1.25 
Reported by: Trained Spotter

Supercell dropped half dollar size hail as it tracked southeast through southern Colfax County.

Hail in UNION, NEW MEXICO
From 11-JUN-23 22:15:00 to 11-JUN-23 22:35:00 (MST-7)
Location: GLADSTONE
Magnitude: 1.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Clayton PD reported a 911 call from a person in Gladstone whose car window was fractured by large hail.

Hail in UNION, NEW MEXICO
From 11-JUN-23 18:41:00 to 11-JUN-23 19:05:00 (MST-7)
Location: GRENVILLE
Magnitude: 1.50 
Reported by: Trained Spotter

Ping pong ball size hail fell as a supercell moved east across northern Union County.

Hail in QUAY, NEW MEXICO
From 12-JUN-23 17:30:00 to 12-JUN-23 17:45:00 (MST-7)
Location: NARA VISA
Magnitude: 2.00 
Reported by: Public

Report from mPING of hen egg size hail as supercell moves east through northern Quay County.

Hail in UNION, NEW MEXICO
From 11-JUN-23 22:45:00 to 11-JUN-23 22:55:00 (MST-7)
Location: PASAMONTE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Funnel Cloud in UNION, NEW MEXICO
From 11-JUN-23 18:00:00 to 11-JUN-23 18:10:00 (MST-7)
Location: CAPULIN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A resident just west of Capulin shared a photo of a funnel cloud from a strong thunderstorm.

Hail in COLFAX, NEW MEXICO
From 12-JUN-23 12:05:00 to 12-JUN-23 12:25:00 (MST-7)
Location: MAXWELL
Magnitude: 1.25 
Reported by: Trained Spotter

Half dollar sized hail fell in Maxwell as a cell moved northeast.

Hail in UNION, NEW MEXICO
From 11-JUN-23 18:20:00 to 11-JUN-23 18:35:00 (MST-7)
Location: DES MOINES
Magnitude: 1.00 
Reported by: Emergency Manager

Quarter sized hail fell as a supercell moved east across northern Union County.

Hail in UNION, NEW MEXICO
From 12-JUN-23 01:53:00 to 12-JUN-23 02:05:00 (MST-7)
Location: CLAYTON
Magnitude: 1.00 
Reported by: Trained Spotter

A supercell moving east dropped quarter sized hail in Clayton.

Flash Flood in COLFAX, NEW MEXICO
From 12-JUN-23 11:20:00 to 12-JUN-23 13:15:00 (MST-7)
Location: RATON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Video from Michael Snyder on Twitter of water overflowing canyons and racing across U.S. Highways 87 and 64 in multiple places. Also reports from amateur radio of 6 to 10 inches of water over U.S. Highways 87 and 64.

Hail in UNION, NEW MEXICO
From 11-JUN-23 19:45:00 to 11-JUN-23 20:05:00 (MST-7)
Location: SENECA
Magnitude: 1.50 
Property damage: 10.00K
Reported by: Public

Ping pong size hail was reported to have broken one window and several west facing vehicle windshields.