Severe Thunderstorm Watch 242

Issued

Jun 7, 2021, 12:32 PM CDT (17:32 UTC)

Expired

Jun 7, 2021, 7:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Shreveport radar (KSHV), 19 km from the middle of the area, began a volume at 17:35 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

40%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 867 Severe potential...watch possibleJun 7, 9:36 AM CDT
• Mesoscale Discussion 868 Severe thunderstorm watch 242Jun 7, 2:16 PM CDT
• Mesoscale Discussion 869 Severe thunderstorm watch 242Jun 7, 3:08 PM CDT
• Mesoscale Discussion 872 Severe thunderstorm watch 243Jun 7, 5:23 PM CDT

018 
WWUS20 KWNS 071728
SEL2  
SPC WW 071728
ARZ000-LAZ000-TXZ000-080000-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 242
NWS Storm Prediction Center Norman OK
1230 PM CDT Mon Jun 7 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southern Arkansas
  Western and Northern Louisiana
  East and Northeast Texas

* Effective this Monday afternoon and evening from 1230 PM until
  700 PM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph likely
  Scattered large hail events to 1.5 inches in diameter possible
  A tornado or two possible

SUMMARY...A well-organized cluster of storms across east/northeast
Texas seems likely to intensify into a moist and increasingly
unstable air mass from east/northeast Texas into Louisiana, while
additional storms are expected to develop across the ArkLaTex region
and southern Arkansas in vicinity of an effective warm front.
Damaging winds are the primary concern, but a tornado and/or severe
hail risk may also exist.

The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 60 miles north northwest
of El Dorado AR to 20 miles southeast of Huntsville TX. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU2).

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
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28025.

...Guyer

Severe Thunderstorm Watches in Texas, 2021Severe Thunderstorm Watches in Arkansas, 2021Severe Thunderstorm Watches in Louisiana, 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.