Alert archive / New Mexico / Tornado Watches in 2019

Tornado Watch 147

May 7, 20194 states

The Storm Prediction Center issued this tornado watch at May 7, 2019, 3:47 PM MDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 7, 2019, 3:47 PM MDT (21:47 UTC)
Expired
May 7, 2019, 8:58 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
55 kt

Counties Baca County, CO, Bent County, CO, Las Animas County, CO, Otero County, CO, Prowers 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), 178 km from the middle of the area, began a volume at 21:49 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
10%
Ten or more severe wind reports
20%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
50%

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.8 hours before the alert went out and 204 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 2019-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 334 joules per kilogram.LCLLFCEL10008507005003002001001 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 2019-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
334 J/kg
Mixed-layer CIN
-280 J/kg
Mixed-layer LCL
2060 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 12:29 PM MDTMesoscale DiscussionSPCArapahoe, Broomfield, Denver, Douglas2 hr
May 7, 1:49 PM MDTMesoscale DiscussionSPCLas Animas116 min
May 6, 7:50 PM MDTMesoscale DiscussionSPCBeaver, Harper, Texas, Woods55 min
May 6, 9:18 PM MDTMesoscale DiscussionSPCCraig, Nowata, Ottawa57 min
May 6, 10:50 PM MDTMesoscale DiscussionSPCCraig, Delaware, Mayes55 min
May 7, 10:04 AM MDTMesoscale DiscussionSPCBeaver, Harper, Texas116 min
May 7, 12:28 PM MDTTornado WatchSPCBeaver, Texas9 hr
May 7, 1:11 PM MDTMesoscale DiscussionSPCGrant, Kay2 hr
May 7, 2:31 PM MDTTornado WatchSPCAlfalfa, Ellis, Grant, Harper, Kay, Woods and 1 more6 hr
May 7, 2:41 PM MDTMesoscale DiscussionSPCBeaver94 min
May 7, 4:24 PM MDTMesoscale DiscussionSPCBeckham, Custer, Dewey, Ellis, Greer, Kiowa and 3 more66 min
May 7, 4:36 PM MDTMesoscale DiscussionSPCBeaver, Texas54 min
May 7, 4:38 PM MDTTornado WatchSPCBeckham, Blaine, Caddo, Canadian, Custer, Dewey and 11 more4 hr
May 7, 5:01 PM MDTMesoscale DiscussionSPCAlfalfa, Grant, Harper, Woods89 min
May 7, 12:39 PM MDTMesoscale DiscussionSPCAndrews, Crane, Ector, Howard, Martin, Midland and 3 more2 hr
May 7, 1:22 PM MDTMesoscale DiscussionSPCBailey, Briscoe, Castro, Cochran, Crosby, Dawson and 12 more83 min
May 7, 2:00 PM MDTTornado WatchSPCAndrews, Bailey, Borden, Briscoe, Castro, Childress and 43 more8 hr
May 7, 4:01 PM MDTMesoscale DiscussionSPCAndrews, Borden, Coke, Crane, Crockett, Dawson and 23 more89 min

Nearby

Tornado Watches in New Mexico, 2019Tornado Watches in Colorado, 2019Tornado Watches in Oklahoma, 2019Every tornado watch in 2019

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.