Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 423
NWS Storm Prediction Center Norman OK
1200 AM CDT Sun Jun 16 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern and Northeast North Dakota
* Effective this Sunday morning from Midnight until 600 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY...A severe squall line will likely continue east across
northern and into northeast North Dakota tonight. Severe gusts
(60-80 mph) will be the primary risk with the stronger surges and
embedded bowing segments within the thunderstorm band.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 60 miles west of Devils
Lake ND to 25 miles north of Grand Forks ND. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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 421...WW 422...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 70 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
26045.
...Smith
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 423 SEVERE TSTM ND 160500Z - 161100Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
60W DVL/DEVILS LAKE ND/ - 25N GFK/GRAND FORKS ND/
..AVIATION COORDS.. 50NM N/S /44ESE MOT - 22N GFK/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..70 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26045.
LAT...LON 48910022 49119718 47529718 47320022
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 423 Status Report Messages:
STATUS REPORT #4 ON WW 423
VALID 160935Z - 161040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNE JMS
TO 30 ENE DVL TO 30 NNW HCO.
..LEITMAN..06/16/24
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 423
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC063-067-099-161040-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
NELSON PEMBINA WALSH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 423
VALID 160830Z - 160940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNW JMS
TO 10 NNE DVL TO 55 W HCO TO 60 WNW HCO.
..LEITMAN..06/16/24
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 423
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC019-063-067-071-099-160940-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
CAVALIER NELSON PEMBINA
RAMSEY WALSH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 423
VALID 160735Z - 160840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 ESE N60
TO 25 NW DVL TO 70 N DVL.
..LEITMAN..06/16/24
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 423
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC005-019-027-063-067-071-095-099-103-160840-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BENSON CAVALIER EDDY
NELSON PEMBINA RAMSEY
TOWNER WALSH 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 423
VALID 160630Z - 160740Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LEITMAN..06/16/24
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 423
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC005-019-027-063-067-069-071-079-095-099-103-160740-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BENSON CAVALIER EDDY
NELSON PEMBINA PIERCE
RAMSEY ROLETTE TOWNER
WALSH 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
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
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 
@NWSSPC
