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New Mexico, West Central Plateau

Special Statement

Statement as of 4:20 AM MDT on October 02, 2014

Expires 6:00 PM EDT on October 02, 2014

... Near to subfreezing low temperatures over portions of north and
west central New Mexico early Friday...

A dry and chilly air mass will invade New Mexico today... setting the
stage for the most widespread occurrence of near to subfreezing
temperatures so far this season late tonight and early Friday. The
area impacted... with some exceptions due to terrain variations and in
larger urban areas... will include locales generally north of a line
from near Clayton to Vaughn... Los Lunas and Fence Lake. Generally...
in the southern portions of this area low temperatures early Friday
will be in the 30s to lower 40s with only the lowest dips and valleys
approaching or briefly reaching the freezing mark. This would include
some of the more agriculturally sensitive locales as the far
northeast plains... Harding County... eastern San Miguel County...
Guadalupe County... Central Highlands... Estancia valley... Santa Fe and
valley areas of the Albuquerque Metro as well as the northwest
plateau and lower Chama River Valley. Elsewhere... many spots will
reach the 20s to mid 30s for a few hours.

Minimums Friday night could be close to those expected tonight... so a
repeat of near or subfreezing temperatures is possible before
a warming trend begins Saturday.

Those with sensitive plants or having other freeze sensitive concerns
across northern and west central New Mexico should prepare for the
chilly temperatures tonight and possibly Friday night.

Public Information Statement

Statement as of 10:10 AM MDT on October 02, 2014

... NWS damage survey for 9/29/2014 tornado event near Chama...

.Tornado - EF-1 tornado just west of Chama...

Rating: EF-1
estimated peak wind: 110 mph
path length /statute/: 2.3 miles
path width /maximum/: 0.4 miles or approx. 700 yards
fatalities: 0
injuries: 0

Start date: September 29 2014
start time: 425 PM MDT (approximate)
start location: 12.7 W Chama/Rio Arriba County/New Mexico
start lat/lon: 36.902819/-106.812865

End date: September 29 2014
end time: 435 PM MDT (approximate)
end location: 10.85 W Chama/Rio Arriba County/New Mexico
end_lat/lon: 36.916662/-106.775872

A National Weather Service meteorologist surveyed tornado damage
in an area located 10 to 13 miles due west of Chama New Mexico
near the New Mexico/Colorado state line where elevations range
from 7500 feet msl to around 9800 feet.

The supercell thunderstorm that spawned the brief tornado previously
produced up to golfball sized hail in the community of Dulce located
10.5 miles farther west... and likely produced continuous damage due to
hail... wind... and/or tornado for at least 30 miles.

An initial touchdown was determined to be 1.2 miles west-northwest of
the intersection of U.S. Highways 64/84. The tornado traveled slightly
north of due east over complex terrain of the lazy Triangle anchor
ranch... passing less than 1/4 mile north of the ranch Headquarters
located near the U.S. Highway 64/84 intersection. Numerous if not
hundreds of large diameter Pine trees and Cedars were snapped and/or
twisted and subsequently uprooted along the first one to one and a half
miles. An old long-standing chapel dating back to the 1940s was
completely destroyed. A 6-foot 4x6" beam was carried 150 yards.
The main ranch residence suffered considerable damage including
complete removal of its pitched roof that was carried 50 yards
to the east-northeast. A bunkhouse and other storage buildings
sustained significant damage in the vicinity of the ranch Headquarters.

Ef scale: the Enhanced Fujita scale classifies tornadoes into
the following categories.

EF0... weak... ... 65 to 85 mph
EF1... weak... ... 86 to 110 mph
EF2... strong... .111 to 135 mph
EF3... strong... .136 to 165 mph
EF4... violent... 166 to 200 mph
EF5... violent... >200 mph

the information in this statement is preliminary and subject to
change pending final review of the event and publication in
NWS storm data.

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