Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 458
NWS Storm Prediction Center Norman OK
355 PM MDT Tue Jun 25 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Nebraska
Southwest and south-central South Dakota
* Effective this Tuesday afternoon and evening from 355 PM until
1000 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...Supercells should continue to pose a threat for large hail
around 1.5-2.5 inches in diameter, along with severe/damaging winds
of 60-75 mph, as they move east-southeastward this afternoon and
evening.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 50 miles west southwest
of Philip SD to 15 miles east southeast of Oneill NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).
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 457...
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 550. Mean storm motion vector
30035.
...Gleason
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 458
NWS Storm Prediction Center Norman OK
355 PM MDT Tue Jun 25 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Nebraska
Southwest and south-central South Dakota
* Effective this Tuesday afternoon and evening from 355 PM until
1000 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...Supercells should continue to pose a threat for large hail
around 1.5-2.5 inches in diameter, along with severe/damaging winds
of 60-75 mph, as they move east-southeastward this afternoon and
evening.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 50 miles west southwest
of Philip SD to 15 miles east southeast of Oneill NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).
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 457...
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 550. Mean storm motion vector
30035.
...Gleason
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 458 SEVERE TSTM NE SD 252155Z - 260400Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
50WSW PHP/PHILIP SD/ - 15ESE ONL/ONEILL NE/
..AVIATION COORDS.. 50NM N/S /24ESE RAP - 13ESE ONL/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 30035.
LAT...LON 44570253 43189841 41599841 42970253
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 458 Status Report Messages:
STATUS REPORT #2 ON WW 458
VALID 260335Z - 260440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSE MHN
TO 40 ENE ANW TO 40 NNE ONL.
..GOSS..06/26/24
ATTN...WFO...LBF...UNR...
&&
STATUS REPORT FOR WS 458
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC009-015-017-071-089-115-149-171-183-260440-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BLAINE BOYD BROWN
GARFIELD HOLT LOUP
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 458
VALID 260140Z - 260240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E CDR TO
25 SSW PHP TO 30 E PHP.
..GOSS..06/26/24
ATTN...WFO...LBF...UNR...
&&
STATUS REPORT FOR WS 458
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC009-015-017-031-071-075-089-091-103-115-149-171-183-260240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BLAINE BOYD BROWN
CHERRY GARFIELD GRANT
HOLT HOOKER KEYA PAHA
LOUP ROCK THOMAS
WHEELER
$$
SDC007-095-121-123-260240-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT MELLETTE TODD
TRIPP
$$
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 (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
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.