Tornado Watch 80

Issued

Mar 24, 2017, 7:07 PM CDT (00:07 UTC)

Expired

Mar 25, 2017, 12:00 AM CDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Houston radar (KHGX), 150 km from the middle of the area, began a volume at 00:10 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

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

20%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

60%

• Mesoscale Discussion 320Mar 24, 6:03 PM CDT

030 
WWUS20 KWNS 250005
SEL0  
SPC WW 250005
TXZ000-250500-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 80
NWS Storm Prediction Center Norman OK
705 PM CDT Fri Mar 24 2017

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Southeast Texas

* Effective this Friday night from 705 PM until Midnight CDT.

* Primary threats include...
  A couple tornadoes possible
  Isolated damaging wind gusts to 70 mph possible
  Isolated large hail events to 1.5 inches in diameter possible

SUMMARY...Thunderstorms are expected to slowly increase in coverage
and intensity while spreading eastward early tonight across
southeast Texas.  The storm environment will support a risk for
supercells capable of producing a couple of tornadoes, as well as
isolated damaging winds and large hail.  There will be some
potential for the storms to grow into a larger band tonight, with a
continued risk of damaging winds.

The tornado watch area is approximately along and 55 statute miles
east and west of a line from 35 miles northeast of Lufkin TX to 80
miles south southwest of Huntsville TX. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 79...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 26035.

...Thompson

Tornado Watches in Texas, 2017Every tornado 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.