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cat $HOME/public_html/posts/storm-prediction-center-severe-thunderstorm-watch-666.txt >> story.html | parse_story story.html; rm -f storm-prediction-center-severe-thunderstorm-watch-666.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.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 666
NWS Storm Prediction Center Norman OK
640 PM CDT Fri Sep 11 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwestern into North-Central Minnesota
Eastern South Dakota
* Effective this Friday evening from 640 PM until 1000 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Scattered thunderstorms are forecast to continue to
develop and intensify this evening. The stronger storms will be
capable of a risk for large hail (1 to 2 inches in diameter) and
severe gusts (60 to 70 mph). A tornado is possible early this
evening if a supercell can be maintained, and before additional
storms coalesce and outflow becomes more prevalent.
The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 60 miles north of
Brainerd MN to 50 miles south of Brookings SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26025.
...Smith
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 666
NWS Storm Prediction Center Norman OK
640 PM CDT Fri Sep 11 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwestern into North-Central Minnesota
Eastern South Dakota
* Effective this Friday evening from 640 PM until 1000 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Scattered thunderstorms are forecast to continue to
develop and intensify this evening. The stronger storms will be
capable of a risk for large hail (1 to 2 inches in diameter) and
severe gusts (60 to 70 mph). A tornado is possible early this
evening if a supercell can be maintained, and before additional
storms coalesce and outflow becomes more prevalent.
The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 60 miles north of
Brainerd MN to 50 miles south of Brookings SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26025.
...Smith
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6 WW 666 SEVERE TSTM MN SD 112340Z - 120300Z AXIS..45 STATUTE MILES EAST AND WEST OF LINE.. 60N BRD/BRAINERD MN/ - 50S BKX/BROOKINGS SD/ ..AVIATION COORDS.. 40NM E/W /41ESE BJI - 5SSW FSD/ HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS. MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26025. LAT...LON 47269317 43579592 43579772 47269509 THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS FOR WOU6.
Watch 666 Status Report Messages:
STATUS REPORT #1 ON WW 666 VALID 120030Z - 120140Z THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..BROYLES..09/12/26 ATTN...WFO...ABR...DLH...MPX...FGF...FSD... && STATUS REPORT FOR WS 666 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MNC011-021-023-035-041-051-057-067-073-081-083-097-111-117-121- 133-145-149-151-153-159-173-120140- MN . MINNESOTA COUNTIES INCLUDED ARE BIG STONE CASS CHIPPEWA CROW WING DOUGLAS GRANT HUBBARD KANDIYOHI LAC QUI PARLE LINCOLN LYON MORRISON OTTER TAIL PIPESTONE POPE ROCK STEARNS STEVENS SWIFT TODD WADENA YELLOW MEDICINE $$ SDC011-039-079-087-099-101-120140- SD . SOUTH DAKOTA COUNTIES INCLUDED ARE BROOKINGS DEUEL LAKE MCCOOK MINNEHAHA MOODY $$ 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 (5%) |
Wind
| Probability of 10 or more severe wind events |
Mod (40%) |
| Probability of 1 or more wind events > 65 knots |
Low (20%) |
Hail
| Probability of 10 or more severe hail events |
Mod (40%) |
| 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 (70%) |
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.