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cat $HOME/public_html/posts/storm-prediction-center-severe-thunderstorm-watch-572.txt >> story.html | parse_story story.html; rm -f storm-prediction-center-severe-thunderstorm-watch-572.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 572
NWS Storm Prediction Center Norman OK
1020 PM CDT Tue Aug 11 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far North-Central Nebraska
South-Central South Dakota
* Effective this Tuesday night and Wednesday morning from 1020 PM
until 600 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Ongoing cluster of thunderstorms, including a supercell,
is forecast to continue southeastward into south-central South
Dakota and far north-central Nebraska tonight. Ample buoyancy exists
across this region, suggesting the storms will remain severe as they
move through. Primary risk is strong to severe wind gusts, including
the potential for gusts to 75 mph. Large hail could occur as well,
with an isolated instance or two of very large hail (i.e. 2" in
diameter) possible.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 70 miles northwest of
Valentine NE to 50 miles north northeast of Oneill 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 570...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
28035.
...Mosier
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 572
NWS Storm Prediction Center Norman OK
1020 PM CDT Tue Aug 11 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far North-Central Nebraska
South-Central South Dakota
* Effective this Tuesday night and Wednesday morning from 1020 PM
until 600 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Ongoing cluster of thunderstorms, including a supercell,
is forecast to continue southeastward into south-central South
Dakota and far north-central Nebraska tonight. Ample buoyancy exists
across this region, suggesting the storms will remain severe as they
move through. Primary risk is strong to severe wind gusts, including
the potential for gusts to 75 mph. Large hail could occur as well,
with an isolated instance or two of very large hail (i.e. 2" in
diameter) possible.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 70 miles northwest of
Valentine NE to 50 miles north northeast of Oneill 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 570...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
28035.
...Mosier
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2 WW 572 SEVERE TSTM NE SD 120320Z - 121100Z AXIS..50 STATUTE MILES NORTH AND SOUTH OF LINE.. 70NW VTN/VALENTINE NE/ - 50NNE ONL/ONEILL NE/ ..AVIATION COORDS.. 45NM N/S /69ESE RAP - 44NNE ONL/ HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..65 KNOTS. MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28035. LAT...LON 44290154 43869830 42419830 42840154 THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS FOR WOU2.
Watch 572 Status Report Message has not been issued yet.
Note:
Click for Complete Product Text.
Tornadoes
| Probability of 2 or more tornadoes |
Low (10%) |
| Probability of 1 or more strong (EF2-EF5) tornadoes |
Low ( |
Wind
| Probability of 10 or more severe wind events |
Mod (60%) |
| Probability of 1 or more wind events > 65 knots |
Mod (60%) |
Hail
| Probability of 10 or more severe hail events |
Mod (50%) |
| Probability of 1 or more hailstones > 2 inches |
Mod (40%) |
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.