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 243
NWS Storm Prediction Center Norman OK
105 PM MDT Wed Jun 3 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Nebraska
Western South Dakota
* Effective this Wednesday afternoon and evening from 105 PM
until 700 PM MDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Multiple supercells should develop off the Black Hills
vicinity, and along the intersection of a surface trough and outflow
boundary near the South Dakota-Nebraska. Large hail should be the
primary threat, although severe wind gusts and a brief tornado are
possible.
The severe thunderstorm watch area is approximately along and 65
statute miles east and west of a line from 25 miles east northeast
of Buffalo SD to 20 miles east southeast of Mullen NE. 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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30035.
...Grams
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 243
NWS Storm Prediction Center Norman OK
105 PM MDT Wed Jun 3 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Nebraska
Western South Dakota
* Effective this Wednesday afternoon and evening from 105 PM
until 700 PM MDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Multiple supercells should develop off the Black Hills
vicinity, and along the intersection of a surface trough and outflow
boundary near the South Dakota-Nebraska. Large hail should be the
primary threat, although severe wind gusts and a brief tornado are
possible.
The severe thunderstorm watch area is approximately along and 65
statute miles east and west of a line from 25 miles east northeast
of Buffalo SD to 20 miles east southeast of Mullen NE. 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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30035.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 243 SEVERE TSTM NE SD 031905Z - 040100Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
25ENE 2WX/BUFFALO SD/ - 20ESE MHN/MULLEN NE/
..AVIATION COORDS.. 55NM E/W /67NW DPR - 49N LBF/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 30035.
LAT...LON 45700169 41939945 41930198 45700439
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 243 Status Report Messages:
STATUS REPORT #5 ON WW 243
VALID 040030Z - 040140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 ESE AIA
TO 40 NNW MHN TO 40 N ANW.
..JEWELL..06/04/20
ATTN...WFO...LBF...UNR...
&&
STATUS REPORT FOR WS 243
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC009-015-017-031-075-089-091-103-115-149-171-040140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BLAINE BOYD BROWN
CHERRY GRANT HOLT
HOOKER KEYA PAHA LOUP
ROCK THOMAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 243
VALID 032305Z - 040040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 WNW RAP
TO 25 NW RAP TO 65 S Y22 TO 25 ESE Y22.
..JEWELL..06/03/20
ATTN...WFO...LBF...UNR...
&&
STATUS REPORT FOR WS 243
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC009-015-017-031-075-089-091-103-115-149-161-171-040040-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BLAINE BOYD BROWN
CHERRY GRANT HOLT
HOOKER KEYA PAHA LOUP
ROCK SHERIDAN THOMAS
$$
SDC007-033-055-071-093-095-102-103-121-123-137-040040-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT CUSTER HAAKON
JACKSON MEADE MELLETTE
OGLALA LAKOTA PENNINGTON TODD
TRIPP ZIEBACH
$$
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.
$$
STATUS REPORT #3 ON WW 243
VALID 032140Z - 032240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WNW RAP
TO 40 NW RAP TO 55 SSE 2WX TO 45 SSW Y22 TO 15 SW Y22 TO 10 N Y22.
..JEWELL..06/03/20
ATTN...WFO...LBF...UNR...
&&
STATUS REPORT FOR WS 243
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC009-015-017-031-075-089-091-103-115-149-161-171-032240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BLAINE BOYD BROWN
CHERRY GRANT HOLT
HOOKER KEYA PAHA LOUP
ROCK SHERIDAN THOMAS
$$
SDC007-033-055-071-081-093-095-102-103-105-121-123-137-032240-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT CUSTER HAAKON
JACKSON LAWRENCE MEADE
MELLETTE OGLALA LAKOTA PENNINGTON
PERKINS TODD TRIPP
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 243
VALID 032140Z - 032240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WNW RAP
TO 40 NW RAP TO 55 SSE 2WX TO 45 SSW Y22 TO 15 SW Y22 TO 10 N Y22.
..JEWELL..06/03/20
ATTN...WFO...LBF...UNR...
&&
STATUS REPORT FOR WS 243
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC009-015-017-031-075-089-091-103-115-149-161-171-032240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BLAINE BOYD BROWN
CHERRY GRANT HOLT
HOOKER KEYA PAHA LOUP
ROCK SHERIDAN THOMAS
$$
SDC007-033-055-071-081-093-095-102-103-105-121-123-137-032240-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT CUSTER HAAKON
JACKSON LAWRENCE MEADE
MELLETTE OGLALA LAKOTA PENNINGTON
PERKINS TODD TRIPP
ZIEBACH
$$
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.
$$
STATUS REPORT #1 ON WW 243
VALID 032020Z - 032140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WNW RAP
TO 45 S 2WX TO 45 NNE 2WX.
..MOORE..06/03/20
ATTN...WFO...LBF...UNR...
&&
STATUS REPORT FOR WS 243
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC009-015-017-031-075-089-091-103-115-149-161-171-032140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BLAINE BOYD BROWN
CHERRY GRANT HOLT
HOOKER KEYA PAHA LOUP
ROCK SHERIDAN THOMAS
$$
SDC007-033-055-071-081-093-095-102-103-105-121-123-137-032140-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT CUSTER HAAKON
JACKSON LAWRENCE MEADE
MELLETTE OGLALA LAKOTA PENNINGTON
PERKINS TODD TRIPP
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 (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
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 (50%)
|
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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