Severe Thunderstorm Watch 539

Issued

Oct 27, 2021, 1:32 AM CDT (06:32 UTC)

Expired

Oct 27, 2021, 8:00 AM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Dallas/Ft Worth radar (KFWS), 57 km from the middle of the area, began a volume at 06:31 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

10%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 1909 Severe thunderstorm watch 537...539Oct 27, 1:59 AM CDT
• Mesoscale Discussion 1910 Severe thunderstorm watch 539Oct 27, 5:13 AM CDT

957 
WWUS20 KWNS 270629
SEL9  
SPC WW 270629
TXZ000-271300-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 539
NWS Storm Prediction Center Norman OK
130 AM CDT Wed Oct 27 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northern and Central Texas

* Effective this Wednesday morning from 130 AM until 800 AM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph likely
  A tornado or two possible

SUMMARY...A line of storms will continue generally eastward
overnight across a large part of north/central Texas, including
toward the I-35 corridor and Dallas-Fort Worth Metroplex. Damaging
winds are the primary concern, but a brief tornado risk may also
exist.

The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 15 miles east northeast
of Sherman TX to 45 miles south southwest of Temple TX. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).

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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 537...WW 538...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 450. Mean storm motion vector
27040.

...Guyer

Severe Thunderstorm Watches in Texas, 2021Every severe thunderstorm watch in 2021

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.