Severe Thunderstorm Watch 7

Issued

Jan 15, 2017, 2:54 PM CST (20:54 UTC)

Expired

Jan 15, 2017, 10:00 PM CST

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The San Angelo radar (KSJT), 32 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.

Two or more tornadoes

20%

One or more EF2 to EF5 tornadoes

5%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 52Jan 15, 12:57 PM CST
• Mesoscale Discussion 56Jan 15, 6:36 PM CST
• Mesoscale Discussion 57Jan 15, 8:10 PM CST

160 
WWUS20 KWNS 152052
SEL7  
SPC WW 152052
TXZ000-160400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 7
NWS Storm Prediction Center Norman OK
250 PM CST Sun Jan 15 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  West-central Texas

* Effective this Sunday afternoon and evening from 250 PM until
  1000 PM CST.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated very large hail events to 2 inches in diameter possible
  A tornado or two possible

SUMMARY...Strong to severe thunderstorms are expected to increase
through the late afternoon and early evening hours ahead of an upper
low nearing the El Paso vicinity at mid-afternoon. The majority of
these will occur with a linear band of east/northeastward-moving
storms, although a few isolated supercells could occur ahead of the
convective line. Damaging winds should be the primary severe risk
overall, but some hail will be possible as well, and a tornado or
two cannot be ruled out, particularly across the Edwards Plateau
vicinity near a warm front.

The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 15 miles north of Abilene
TX to 40 miles south southeast of Del Rio TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24035.

...Guyer

Severe Thunderstorm Watches in Texas, 2017Every severe thunderstorm watch in 2017

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.