Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 401
NWS Storm Prediction Center Norman OK
515 PM CDT Sat Jul 25 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central North Dakota
* Effective this Saturday afternoon from 515 PM until Midnight
CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...At least isolated or widely scattered severe thunderstorms
will continue to develop particularly across
south-central/east-central North Dakota this evening, with damaging
winds and severe hail a possibility.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 60 miles south of
Bismarck ND to 80 miles east northeast of Garrison ND. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).
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
26020.
...Guyer
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 401
NWS Storm Prediction Center Norman OK
515 PM CDT Sat Jul 25 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central North Dakota
* Effective this Saturday afternoon from 515 PM until Midnight
CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...At least isolated or widely scattered severe thunderstorms
will continue to develop particularly across
south-central/east-central North Dakota this evening, with damaging
winds and severe hail a possibility.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 60 miles south of
Bismarck ND to 80 miles east northeast of Garrison ND. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).
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
26020.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 401 SEVERE TSTM ND 252215Z - 260500Z
AXIS..75 STATUTE MILES EAST AND WEST OF LINE..
60S BIS/BISMARCK ND/ - 80ENE N60/GARRISON ND/
..AVIATION COORDS.. 65NM E/W /52S BIS - 59E MOT/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26020.
LAT...LON 45900231 48070145 48079820 45909919
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 401 Status Report Messages:
STATUS REPORT #7 ON WW 401
VALID 260440Z - 260500Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 NE MBG TO
40 SSW JMS.
WW 401 WILL BE ALLOWED TO EXPIRE AT 260500Z.
..GUYER..07/26/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 401
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC021-045-051-260500-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
DICKEY LAMOURE MCINTOSH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #6 ON WW 401
VALID 260335Z - 260440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNW MBG
TO 45 NNE MBG TO 45 SSW JMS TO 20 ENE JMS.
..LEITMAN..07/26/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 401
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC021-029-045-051-260440-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
DICKEY EMMONS LAMOURE
MCINTOSH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 401
VALID 260240Z - 260340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNW MBG
TO 40 NNE MBG TO 45 ESE BIS TO 40 W JMS TO 45 WNW JMS TO 45 SW
DVL TO 35 W DVL TO 50 WNW DVL.
..KARSTENS..07/26/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 401
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC005-021-027-029-031-045-047-051-093-260340-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BENSON DICKEY EDDY
EMMONS FOSTER LAMOURE
LOGAN MCINTOSH STUTSMAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 401
VALID 260155Z - 260240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 E Y22 TO
35 S BIS TO 25 ESE BIS TO 45 NE BIS TO 50 ENE N60 TO 40 E MOT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1340
..KARSTENS..07/26/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 401
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC005-027-029-031-043-047-051-083-085-093-103-260240-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BENSON EDDY EMMONS
FOSTER KIDDER LOGAN
MCINTOSH SHERIDAN SIOUX
STUTSMAN WELLS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 401
VALID 260100Z - 260240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E Y22 TO
15 WSW BIS TO 15 SSE N60 TO 20 ESE MOT.
..KARSTENS..07/26/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 401
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC005-015-027-029-031-043-047-051-083-085-093-103-260240-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BENSON BURLEIGH EDDY
EMMONS FOSTER KIDDER
LOGAN MCINTOSH SHERIDAN
SIOUX STUTSMAN WELLS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 401
VALID 252355Z - 260040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KARSTENS..07/25/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 401
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC005-015-027-029-031-037-043-047-051-059-065-083-085-093-103-
260040-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BENSON BURLEIGH EDDY
EMMONS FOSTER GRANT
KIDDER LOGAN MCINTOSH
MORTON OLIVER SHERIDAN
SIOUX STUTSMAN WELLS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 401
VALID 252235Z - 252340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1337
..KARSTENS..07/25/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 401
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC005-015-027-029-031-037-043-047-051-059-065-083-085-093-103-
252340-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BENSON BURLEIGH EDDY
EMMONS FOSTER GRANT
KIDDER LOGAN MCINTOSH
MORTON OLIVER SHERIDAN
SIOUX STUTSMAN WELLS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
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 (30%)
|
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 (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.
weather.gov 
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