Tornado Watch 13

Issued

Mar 19, 2018, 3:28 PM CDT (20:28 UTC)

Expired

Mar 20, 2018, 12:00 AM CDT

In force

9 hr

Issued by

the Storm Prediction Center

Particularly dangerous situation

Yes

Largest hail expected

3 in

Strongest gust expected

60 kt

The Columbus AFB radar (KGWX), 103 km from the middle of the area, began a volume at 20:32 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

90%

One or more EF2 to EF5 tornadoes

80%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

70%

One or more hailstones of 2 inches or more

70%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 146Mar 19, 2:06 PM CDT
• Mesoscale Discussion 147Mar 19, 5:06 PM CDT
• Mesoscale Discussion 149Mar 19, 6:59 PM CDT
• Mesoscale Discussion 151Mar 19, 8:51 PM CDT
• Mesoscale Discussion 152Mar 19, 10:18 PM CDT

847 
WWUS20 KWNS 192026
SEL3  
SPC WW 192026
ALZ000-MSZ000-TNZ000-200400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 13
NWS Storm Prediction Center Norman OK
325 PM CDT Mon Mar 19 2018

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Northern and central Alabama
  Northeast Mississippi
  Southern Tennessee

* Effective this Monday afternoon and evening from 325 PM until
  1100 PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

* Primary threats include...
  Several tornadoes and a few intense tornadoes likely
  Scattered large hail and isolated very large hail events to 3
    inches in diameter likely
  Scattered damaging wind gusts to 70 mph possible

SUMMARY...Several severe storms will develop along a cold front
through this evening producing strong tornadoes, very large hail,
and damaging winds.

The tornado watch area is approximately along and 95 statute miles
north and south of a line from 15 miles south of Tupelo MS to 45
miles northeast of Gadsden AL. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU3).

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.

&&

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 25040.

...Grams

Tornado Watches in Alabama, 2018Tornado Watches in Mississippi, 2018Tornado Watches in Tennessee, 2018Every tornado watch in 2018

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.