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 332
NWS Storm Prediction Center Norman OK
415 PM MDT Sun Jul 5 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Extreme southeastern Montana
Western South Dakota
Northeastern Wyoming
* Effective this Sunday afternoon and evening from 415 PM until
1100 PM MDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
SUMMARY...Multiple clusters of storms will form and spread
east-northeastward from Wyoming across western South Dakota through
early tonight. The storm environment is favorable for supercells
with isolated very large hail, though storm mergers/upscale growth
will likely lead to a larger storm cluster with damaging winds later
this evening.
The severe thunderstorm watch area is approximately along and 85
statute miles north and south of a line from 60 miles north of
Casper WY to 60 miles north northeast of Philip 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 331...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
26025.
...Thompson
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 332
NWS Storm Prediction Center Norman OK
415 PM MDT Sun Jul 5 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Extreme southeastern Montana
Western South Dakota
Northeastern Wyoming
* Effective this Sunday afternoon and evening from 415 PM until
1100 PM MDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
SUMMARY...Multiple clusters of storms will form and spread
east-northeastward from Wyoming across western South Dakota through
early tonight. The storm environment is favorable for supercells
with isolated very large hail, though storm mergers/upscale growth
will likely lead to a larger storm cluster with damaging winds later
this evening.
The severe thunderstorm watch area is approximately along and 85
statute miles north and south of a line from 60 miles north of
Casper WY to 60 miles north northeast of Philip 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 331...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
26025.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 332 SEVERE TSTM MT SD WY 052215Z - 060500Z
AXIS..85 STATUTE MILES NORTH AND SOUTH OF LINE..
60N CPR/CASPER WY/ - 60NNE PHP/PHILIP SD/
..AVIATION COORDS.. 75NM N/S /14S CZI - 29ESE DPR/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 26025.
LAT...LON 45000647 46080113 43620113 42540647
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 332 Status Report Messages:
STATUS REPORT #6 ON WW 332
VALID 060445Z - 060500Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NE PHP TO
50 N RAP TO 20 ENE 2WX.
WW 332 WILL BE ALLOWED TO EXPIRE AT 060500Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1115
..SMITH..07/06/20
ATTN...WFO...BYZ...UNR...CYS...RIW...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
SDC093-095-105-121-123-137-060500-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
MEADE MELLETTE 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 #5 ON WW 332
VALID 060335Z - 060440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SSE PHP
TO 30 W PHP TO 40 NW RAP TO 30 ESE 4BQ.
..SMITH..07/06/20
ATTN...WFO...BYZ...UNR...CYS...RIW...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC011-075-060440-
MT
. MONTANA COUNTIES INCLUDED ARE
CARTER POWDER RIVER
$$
SDC007-019-055-063-071-081-093-095-103-105-121-123-137-060440-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT BUTTE HAAKON
HARDING JACKSON LAWRENCE
MEADE MELLETTE PENNINGTON
PERKINS TODD TRIPP
ZIEBACH
$$
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.
$$
STATUS REPORT #4 ON WW 332
VALID 060240Z - 060330Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 N CDR TO
35 W RAP TO 25 ENE GCC TO 45 ENE SHR.
..SMITH..07/06/20
ATTN...WFO...BYZ...UNR...CYS...RIW...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC011-075-060330-
MT
. MONTANA COUNTIES INCLUDED ARE
CARTER POWDER RIVER
$$
SDC007-019-033-055-063-071-081-093-095-102-103-105-121-123-137-
060330-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT BUTTE CUSTER
HAAKON HARDING JACKSON
LAWRENCE MEADE MELLETTE
OGLALA LAKOTA PENNINGTON PERKINS
TODD TRIPP ZIEBACH
$$
WYC005-011-045-060330-
WY
. WYOMING COUNTIES INCLUDED ARE
CAMPBELL CROOK WESTON
$$
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.
$$
STATUS REPORT #3 ON WW 332
VALID 060135Z - 060230Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WNW CDR
TO 60 ESE GCC TO 35 SE SHR.
..SMITH..07/06/20
ATTN...WFO...BYZ...UNR...CYS...RIW...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC011-075-060230-
MT
. MONTANA COUNTIES INCLUDED ARE
CARTER POWDER RIVER
$$
SDC007-019-033-047-055-063-071-081-093-095-102-103-105-121-123-
137-060230-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT BUTTE CUSTER
FALL RIVER HAAKON HARDING
JACKSON LAWRENCE MEADE
MELLETTE OGLALA LAKOTA PENNINGTON
PERKINS TODD TRIPP
ZIEBACH
$$
WYC005-011-033-045-060230-
WY
. WYOMING COUNTIES INCLUDED ARE
CAMPBELL CROOK SHERIDAN
WESTON
$$
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.
$$
STATUS REPORT #2 ON WW 332
VALID 060030Z - 060130Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 ENE DGW
TO 50 S GCC TO 60 N CPR.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1113
..SMITH..07/06/20
ATTN...WFO...BYZ...UNR...CYS...RIW...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC011-075-060130-
MT
. MONTANA COUNTIES INCLUDED ARE
CARTER POWDER RIVER
$$
SDC007-019-033-047-055-063-071-081-093-095-102-103-105-121-123-
137-060130-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT BUTTE CUSTER
FALL RIVER HAAKON HARDING
JACKSON LAWRENCE MEADE
MELLETTE OGLALA LAKOTA PENNINGTON
PERKINS TODD TRIPP
ZIEBACH
$$
WYC005-011-019-027-033-045-060130-
WY
. WYOMING COUNTIES INCLUDED ARE
CAMPBELL CROOK JOHNSON
NIOBRARA SHERIDAN WESTON
$$
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.
$$
STATUS REPORT #1 ON WW 332
VALID 052230Z - 052330Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SMITH..07/05/20
ATTN...WFO...BYZ...UNR...CYS...RIW...
&&
STATUS REPORT FOR WS 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC011-075-052330-
MT
. MONTANA COUNTIES INCLUDED ARE
CARTER POWDER RIVER
$$
SDC007-019-033-047-055-063-071-081-093-095-102-103-105-121-123-
137-052330-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BENNETT BUTTE CUSTER
FALL RIVER HAAKON HARDING
JACKSON LAWRENCE MEADE
MELLETTE OGLALA LAKOTA PENNINGTON
PERKINS TODD TRIPP
ZIEBACH
$$
WYC005-009-011-019-025-027-033-045-052330-
WY
. WYOMING COUNTIES INCLUDED ARE
CAMPBELL CONVERSE CROOK
JOHNSON NATRONA NIOBRARA
SHERIDAN WESTON
$$
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
|
Mod (40%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (40%)
|
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.