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cat $HOME/public_html/posts/storm-prediction-center-severe-thunderstorm-watch-592.txt >> story.html | parse_story story.html; rm -f storm-prediction-center-severe-thunderstorm-watch-592.txt story.html
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
Severe Thunderstorm Watch Number 592
NWS Storm Prediction Center Norman OK
440 PM MDT Mon Aug 17 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northwest Nebraska and the Nebraska Panhandle
* Effective this Monday afternoon and evening from 440 PM until
1100 PM MDT.
* 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...Ongoing supercells will continue to pose a threat for
large to very large hail up to 1.5-2.5 inches in diameter as they
move east-southeastward this evening. Severe/damaging winds may also
occur if a cluster develops later this evening.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 40 miles north
northwest of Scottsbluff NE to 40 miles east southeast of Ainsworth
NE. 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 590...WW 591...
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
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2 WW 592 SEVERE TSTM NE 172240Z - 180500Z AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE.. 40NNW BFF/SCOTTSBLUFF NE/ - 40ESE ANW/AINSWORTH NE/ ..AVIATION COORDS.. 40NM N/S /37NNW BFF - 26WSW ONL/ HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..65 KNOTS. MAX TOPS TO 500. MEAN STORM MOTION VECTOR 30030. LAT...LON 43070390 43019926 41709926 41760390 THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS FOR WOU2.
Watch 592 Status Report Messages:
STATUS REPORT #3 ON WW 592 VALID 180340Z - 180440Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNE LBF TO 35 ENE MHN TO 45 SSW 9V9. ..SQUITIERI..08/18/26 ATTN...WFO...LBF...CYS... && STATUS REPORT FOR WS 592 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NEC009-015-017-041-071-089-103-115-149-183-180440- NE . NEBRASKA COUNTIES INCLUDED ARE BLAINE BOYD BROWN CUSTER GARFIELD HOLT KEYA PAHA LOUP ROCK WHEELER $$ THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. $$ STATUS REPORT #2 ON WW 592 VALID 180240Z - 180340Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SSW MHN TO 10 NW MHN TO 30 NNW VTN. ..SQUITIERI..08/18/26 ATTN...WFO...LBF...CYS... && STATUS REPORT FOR WS 592 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NEC009-015-017-031-041-071-089-091-103-111-113-115-117-149-171- 183-180340- NE . NEBRASKA COUNTIES INCLUDED ARE BLAINE BOYD BROWN CHERRY CUSTER GARFIELD HOLT HOOKER KEYA PAHA LINCOLN LOGAN LOUP MCPHERSON ROCK THOMAS WHEELER $$ THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. $$ STATUS REPORT #1 ON WW 592 VALID 180125Z - 180240Z SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 SE AIA TO 35 E AIA TO 55 S PHP. ..SQUITIERI..08/18/26 ATTN...WFO...LBF...CYS... && STATUS REPORT FOR WS 592 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NEC005-009-015-017-031-041-071-075-089-091-101-103-111-113-115- 117-149-171-183-180240- NE . NEBRASKA COUNTIES INCLUDED ARE ARTHUR BLAINE BOYD BROWN CHERRY CUSTER GARFIELD GRANT HOLT HOOKER KEITH KEYA PAHA LINCOLN LOGAN LOUP MCPHERSON ROCK THOMAS WHEELER $$ THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. $$
Note:
Click for Complete Product Text.
Tornadoes
| Probability of 2 or more tornadoes |
Low (20%) |
| Probability of 1 or more strong (EF2-EF5) tornadoes |
Low ( |
Wind
| Probability of 10 or more severe wind events |
Mod (50%) |
| Probability of 1 or more wind events > 65 knots |
Mod (40%) |
Hail
| Probability of 10 or more severe hail events |
Mod (50%) |
| Probability of 1 or more hailstones > 2 inches |
Mod (30%) |
Combined Severe Hail/Wind
| Probability of 6 or more combined severe hail/wind events |
High (80%) |
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.