Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 324
NWS Storm Prediction Center Norman OK
510 PM CDT Thu Jul 2 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Parts of central and western North Dakota
* Effective this Thursday afternoon and evening from 510 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
SUMMARY...Scattered thunderstorms will develop northeastward this
afternoon/evening along a slow-moving front, and may also spread
into southern North Dakota from South Dakota. A mix of multicell
clusters and supercells is expected, and the stronger storms will be
capable of producing large hail and damaging winds through this
evening.
The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 55 miles north northeast
of Minot ND to 75 miles southwest of Bismarck ND. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).
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 322...WW 323...
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 550. Mean storm motion vector
23025.
...Thompson
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 324
NWS Storm Prediction Center Norman OK
510 PM CDT Thu Jul 2 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Parts of central and western North Dakota
* Effective this Thursday afternoon and evening from 510 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
SUMMARY...Scattered thunderstorms will develop northeastward this
afternoon/evening along a slow-moving front, and may also spread
into southern North Dakota from South Dakota. A mix of multicell
clusters and supercells is expected, and the stronger storms will be
capable of producing large hail and damaging winds through this
evening.
The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 55 miles north northeast
of Minot ND to 75 miles southwest of Bismarck ND. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).
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 322...WW 323...
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 550. Mean storm motion vector
23025.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 324 SEVERE TSTM ND 022210Z - 030300Z
AXIS..50 STATUTE MILES EAST AND WEST OF LINE..
55NNE MOT/MINOT ND/ - 75SW BIS/BISMARCK ND/
..AVIATION COORDS.. 45NM E/W /49NNE MOT - 56N DPR/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 23025.
LAT...LON 49009971 46000081 46000290 49000192
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 324 Status Report Messages:
STATUS REPORT #3 ON WW 324
VALID 030150Z - 030240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E Y22 TO
25 NW BIS TO 25 SSE MOT TO 25 ENE MOT TO 85 NE MOT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1087
..MOORE..07/03/20
ATTN...WFO...BIS...
&&
STATUS REPORT FOR WS 324
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC015-029-049-069-079-083-030240-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BURLEIGH EMMONS MCHENRY
PIERCE ROLETTE SHERIDAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 324
VALID 030045Z - 030140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NE 2WX TO
15 NW DIK TO 30 NNE DIK TO 75 NNW MOT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1087
..MOORE..07/03/20
ATTN...WFO...BIS...
&&
STATUS REPORT FOR WS 324
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC001-009-015-029-037-041-049-055-057-059-065-069-075-079-083-
085-089-101-030140-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BOTTINEAU BURLEIGH
EMMONS GRANT HETTINGER
MCHENRY MCLEAN MERCER
MORTON OLIVER PIERCE
RENVILLE ROLETTE SHERIDAN
SIOUX STARK WARD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 324
VALID 022325Z - 030040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NE 2WX TO
15 SW DIK TO 70 NW MOT.
..MOORE..07/02/20
ATTN...WFO...BIS...
&&
STATUS REPORT FOR WS 324
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC001-009-015-025-029-037-041-049-055-057-059-061-065-069-075-
079-083-085-089-101-030040-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BOTTINEAU BURLEIGH
DUNN EMMONS GRANT
HETTINGER MCHENRY MCLEAN
MERCER MORTON MOUNTRAIL
OLIVER PIERCE RENVILLE
ROLETTE SHERIDAN SIOUX
STARK WARD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
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 (40%)
|
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.