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 354
NWS Storm Prediction Center Norman OK
800 PM CDT Fri Jul 10 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central Nebraska
* Effective this Friday night and Saturday morning from 800 PM
until 200 AM 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
A tornado or two possible
SUMMARY...Severe thunderstorms over southern South Dakota will move
southeast into north-central Nebraska shortly. This activity should
propagate toward south-central Nebraska late this evening. Hail and
wind are the primary threats.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 25 miles west northwest
of Valentine NE to 55 miles west southwest of Kearney NE. 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 352...WW 353...
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
33025.
...Darrow
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 354 SEVERE TSTM NE 110100Z - 110700Z
AXIS..75 STATUTE MILES EAST AND WEST OF LINE..
25WNW VTN/VALENTINE NE/ - 55WSW EAR/KEARNEY NE/
..AVIATION COORDS.. 65NM E/W /51WNW ANW - 31ENE MCK/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 33025.
LAT...LON 42989952 40409854 40400139 42980249
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 354 Status Report Messages:
STATUS REPORT #2 ON WW 354
VALID 110640Z - 110740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NE SNY TO
25 WNW ONL.
..BROYLES..07/11/20
ATTN...WFO...LBF...
&&
STATUS REPORT FOR WS 354
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC005-009-041-063-085-091-101-111-113-115-117-149-171-110740-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ARTHUR BLAINE CUSTER
FRONTIER HAYES HOOKER
KEITH LINCOLN LOGAN
LOUP MCPHERSON 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 #1 ON WW 354
VALID 110255Z - 110340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 ENE AIA
TO 30 NNE ANW.
..SPC..07/11/20
ATTN...WFO...LBF...
&&
STATUS REPORT FOR WS 354
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC005-009-017-031-041-063-075-085-091-101-103-111-113-115-117-
149-171-110340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ARTHUR BLAINE BROWN
CHERRY CUSTER FRONTIER
GRANT HAYES HOOKER
KEITH KEYA PAHA LINCOLN
LOGAN LOUP MCPHERSON
ROCK THOMAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
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 (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 
@NWSSPC
