MIL-OSI USA: SPC Tornado Watch 532

Source: US National Oceanic and Atmospheric Administration

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.Note: Click for Watch Status Reports.
SEL2

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 532
NWS Storm Prediction Center Norman OK
420 PM MDT Sun Jul 20 2025

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
North Central Nebraska
South Central South Dakota

* Effective this Sunday afternoon and evening from 420 PM until
1000 PM MDT.

* Primary threats include…
A couple tornadoes possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph possible

SUMMARY…Isolated supercell thunderstorms are forming in a very
unstable airmass. Very large hail, damaging winds, and a few
tornadoes are possible with these storms through the evening.

The tornado watch area is approximately along and 50 statute miles
east and west of a line from 85 miles north of Valentine NE to 55
miles south southwest of Valentine NE. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU2).

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 530…WW 531…

AVIATION…Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 27025.

…Hart

SEL2

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 532
NWS Storm Prediction Center Norman OK
420 PM MDT Sun Jul 20 2025

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
North Central Nebraska
South Central South Dakota

* Effective this Sunday afternoon and evening from 420 PM until
1000 PM MDT.

* Primary threats include…
A couple tornadoes possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph possible

SUMMARY…Isolated supercell thunderstorms are forming in a very
unstable airmass. Very large hail, damaging winds, and a few
tornadoes are possible with these storms through the evening.

The tornado watch area is approximately along and 50 statute miles
east and west of a line from 85 miles north of Valentine NE to 55
miles south southwest of Valentine NE. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU2).

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 530…WW 531…

AVIATION…Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 27025.

…Hart

Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW2
WW 532 TORNADO NE SD 202220Z – 210400Z
AXIS..50 STATUTE MILES EAST AND WEST OF LINE..
85N VTN/VALENTINE NE/ – 55SSW VTN/VALENTINE NE/
..AVIATION COORDS.. 45NM E/W /25SW PIR – 51WSW ANW/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.

LAT…LON 44089954 42119999 42110194 44080156

THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.

Watch 532 Status Report Message has not been issued yet.

Note:  Click for Complete Product Text.Tornadoes

Probability of 2 or more tornadoes

Mod (40%)

Probability of 1 or more strong (EF2-EF5) tornadoes

Low (20%)

Wind

Probability of 10 or more severe wind events

Mod (50%)

Probability of 1 or more wind events > 65 knots

Low (20%)

Hail

Probability of 10 or more severe hail events

Mod (60%)

Probability of 1 or more hailstones > 2 inches

Mod (60%)

Combined Severe Hail/Wind

Probability of 6 or more combined severe hail/wind events

High (90%)

For each watch, probabilities for particular events inside the watch (listed above in each table) are determined by the issuing forecaster. The “Low” category contains probability values ranging from less than 2% to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities), “Moderate” from 30% to 60%, and “High” from 70% to greater than 95%. High values are bolded and lighter in color to provide awareness of an increased threat for a particular event.

MIL OSI USA News