Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 337
NWS Storm Prediction Center Norman OK
100 AM CDT Tue Jul 7 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeastern and north-central Nebraska
* Effective this Tuesday morning from 100 AM until 800 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...A severe thunderstorm complex over southern South Dakota,
which has produced measured gusts up to 59 kt around Winner, SD in
the past hour, will continue to pose a threat for severe gusts and
isolated hail into adjoining portions of Nebraska for a few more
hours.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 40 miles north northwest
of Oneill NE to Norfolk NE. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU7).
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 336...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30035.
...Edwards
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 337
NWS Storm Prediction Center Norman OK
100 AM CDT Tue Jul 7 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeastern and north-central Nebraska
* Effective this Tuesday morning from 100 AM until 800 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...A severe thunderstorm complex over southern South Dakota,
which has produced measured gusts up to 59 kt around Winner, SD in
the past hour, will continue to pose a threat for severe gusts and
isolated hail into adjoining portions of Nebraska for a few more
hours.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 40 miles north northwest
of Oneill NE to Norfolk NE. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU7).
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 336...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30035.
...Edwards
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 337 SEVERE TSTM NE 070600Z - 071300Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
40NNW ONL/ONEILL NE/ - OFK/NORFOLK NE/
..AVIATION COORDS.. 50NM E/W /35NNW ONL - 55NE OBH/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 30035.
LAT...LON 43009780 41979626 41979860 43000017
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 337 Status Report Messages:
STATUS REPORT #3 ON WW 337
VALID 070835Z - 070940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 E BUB TO
10 WNW YKN.
..BROYLES..07/07/20
ATTN...WFO...OAX...LBF...FSD...
&&
STATUS REPORT FOR WS 337
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC003-027-039-043-051-107-119-139-167-173-179-070940-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ANTELOPE CEDAR CUMING
DAKOTA DIXON KNOX
MADISON PIERCE STANTON
THURSTON WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 337
VALID 070800Z - 070940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NNW BUB
TO 35 WNW YKN.
..BROYLES..07/07/20
ATTN...WFO...OAX...LBF...FSD...
&&
STATUS REPORT FOR WS 337
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC003-015-027-039-043-051-071-089-107-119-139-167-173-179-183-
070940-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ANTELOPE BOYD CEDAR
CUMING DAKOTA DIXON
GARFIELD HOLT KNOX
MADISON PIERCE STANTON
THURSTON WAYNE WHEELER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 337
VALID 070720Z - 070840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNW BUB
TO 45 S 9V9.
..BROYLES..07/07/20
ATTN...WFO...OAX...LBF...FSD...
&&
STATUS REPORT FOR WS 337
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC003-015-027-039-043-051-071-089-107-119-139-167-173-179-183-
070840-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ANTELOPE BOYD CEDAR
CUMING DAKOTA DIXON
GARFIELD HOLT KNOX
MADISON PIERCE STANTON
THURSTON WAYNE WHEELER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
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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