Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 322
NWS Storm Prediction Center Norman OK
115 PM MDT Thu Jul 2 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest North Dakota
Western South Dakota
* Effective this Thursday afternoon and evening from 115 PM until
800 PM MDT.
* 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...Thunderstorms will rapidly develop across western South
Dakota this afternoon, spreading northward into southwest North
Dakota as well. A few severe storms capable of damaging winds gusts
and large hail are expected.
The severe thunderstorm watch area is approximately along and 65
statute miles east and west of a line from 50 miles north of Lemmon
SD to 70 miles south southeast of Rapid City SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU2).
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.
...Hart
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 322
NWS Storm Prediction Center Norman OK
115 PM MDT Thu Jul 2 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest North Dakota
Western South Dakota
* Effective this Thursday afternoon and evening from 115 PM until
800 PM MDT.
* 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...Thunderstorms will rapidly develop across western South
Dakota this afternoon, spreading northward into southwest North
Dakota as well. A few severe storms capable of damaging winds gusts
and large hail are expected.
The severe thunderstorm watch area is approximately along and 65
statute miles east and west of a line from 50 miles north of Lemmon
SD to 70 miles south southeast of Rapid City SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU2).
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.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 322 SEVERE TSTM ND SD 021915Z - 030200Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
50N Y22/LEMMON SD/ - 70SSE RAP/RAPID CITY SD/
..AVIATION COORDS.. 55NM E/W /28ESE DIK - 56SSE RAP/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26025.
LAT...LON 46650080 43110123 43110381 46650354
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 322 Status Report Messages:
STATUS REPORT #5 ON WW 322
VALID 030155Z - 030240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 E CDR TO
25 WNW PHP TO 60 NW PIR TO 25 SSW MBG TO 45 NNW MBG.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1088
..MOORE..07/03/20
ATTN...WFO...BIS...UNR...ABR...
&&
STATUS REPORT FOR WS 322
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
SDC007-017-055-065-069-071-075-085-107-117-119-030240-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT BUFFALO HAAKON
HUGHES HYDE JACKSON
JONES LYMAN POTTER
STANLEY SULLY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 322
VALID 030100Z - 030240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 ENE CDR
TO 50 S Y22 TO 40 E DIK.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1085
..MOORE..07/03/20
ATTN...WFO...BIS...UNR...ABR...
&&
STATUS REPORT FOR WS 322
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
SDC007-017-031-041-055-065-069-071-075-085-107-117-119-137-
030240-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT BUFFALO CORSON
DEWEY HAAKON HUGHES
HYDE JACKSON JONES
LYMAN POTTER STANLEY
SULLY ZIEBACH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 322
VALID 022320Z - 030040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W CDR TO
25 WNW RAP TO 50 SSE 2WX TO 30 NNW DIK.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1085
..MOORE..07/02/20
ATTN...WFO...BIS...UNR...ABR...
&&
STATUS REPORT FOR WS 322
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
SDC007-031-033-041-047-055-071-075-093-102-103-105-117-137-
030040-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT CORSON CUSTER
DEWEY FALL RIVER HAAKON
JACKSON JONES MEADE
OGLALA LAKOTA PENNINGTON PERKINS
STANLEY ZIEBACH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 322
VALID 022200Z - 022340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 WNW CDR
TO 30 N BHK.
..MOORE..07/02/20
ATTN...WFO...BIS...UNR...ABR...
&&
STATUS REPORT FOR WS 322
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC001-011-041-087-089-022340-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BOWMAN HETTINGER
SLOPE STARK
$$
SDC007-019-031-033-041-047-055-063-071-075-081-093-102-103-105-
117-137-022340-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT BUTTE CORSON
CUSTER DEWEY FALL RIVER
HAAKON HARDING JACKSON
JONES LAWRENCE MEADE
OGLALA LAKOTA PENNINGTON PERKINS
STANLEY ZIEBACH
$$
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.
$$
STATUS REPORT #1 ON WW 322
VALID 022040Z - 022140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DIAL..07/02/20
ATTN...WFO...BIS...UNR...ABR...
&&
STATUS REPORT FOR WS 322
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC001-011-041-087-089-022140-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BOWMAN HETTINGER
SLOPE STARK
$$
SDC007-019-031-033-041-047-055-063-071-075-081-093-102-103-105-
117-137-022140-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT BUTTE CORSON
CUSTER DEWEY FALL RIVER
HAAKON HARDING JACKSON
JONES LAWRENCE MEADE
OGLALA LAKOTA PENNINGTON PERKINS
STANLEY ZIEBACH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
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.
weather.gov 
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