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Severe Weather Watches Overview

Watch data currently updates every 15 minutes.

EXPIRED Severe Thunderstorm Watch #0594 for Central and Northeast Nebraska

Scattered damaging winds and isolated significant gusts to 75 mph possible
Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible
A tornado or two possible

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EXPIRED Severe Thunderstorm Watch #0594

Locations Affected

Central and Northeast Nebraska

Severe Thunderstorm Watch Summary

Splitting supercells should continue to pose a threat for large to very large hail this evening as they track generally east-southeastward. The largest hailstones may reach up to 2-2.5 inches in diameter. Otherwise, a tornado appears possible in the short term with any persistent right-moving supercell. A greater potential for severe/damaging winds may eventually increase if a cluster can develop upstream across northern Nebraska.

Severe Weather Threats

Scattered damaging winds and isolated significant gusts to 75 mph possible

Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible

A tornado or two possible

Severe Thunderstorm Watch Details

SEL4

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 594
NWS Storm Prediction Center Norman OK
830 PM CDT Mon Aug 17 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Central and Northeast Nebraska

* Effective this Monday night and Tuesday morning from 830 PM
  until 200 AM CDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 75
    mph possible
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter possible
  A tornado or two possible

SUMMARY...Splitting supercells should continue to pose a threat for
large to very large hail this evening as they track generally
east-southeastward. The largest hailstones may reach up to 2-2.5
inches in diameter. Otherwise, a tornado appears possible in the
short term with any persistent right-moving supercell. A greater
potential for severe/damaging winds may eventually increase if a
cluster can develop upstream across northern Nebraska.

The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 55 miles north northwest
of Norfolk NE to 75 miles southwest of Norfolk NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).

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 590...WW 591...WW
592...WW 593...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
30030.

...Gleason

National Risk Overview

Tuesday, August 18: TORNADO: 2%; HAIL: 15%; WIND: 15%
Wednesday, August 19: TORNADO: 2%; HAIL: 5%; WIND: 15%
Thursday, August 20: ANY SEVERE: 5%
Friday, August 21: ANY SEVERE: predictability too low
Saturday, August 22: ANY SEVERE: predictability too low
Sunday, August 23: ANY SEVERE: predictability too low
Monday, August 24: ANY SEVERE: predictability too low
Tuesday, August 25: ANY SEVERE: predictability too low

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