SPC Center Public Severe Weather Outlook (PWO)

Public Severe Weather Outlook

PWO Image

PUBLIC SEVERE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1208 PM CDT FRI JUN 01 2018

...Severe thunderstorms expected over parts of the central Plains
this afternoon and tonight...

* LOCATIONS...
  Central and eastern Nebraska

* HAZARDS...
  Widespread damaging winds, some hurricane force
  A few tornadoes
  Widespread large hail, some baseball size

* SUMMARY...
  Large hail, damaging winds, and a few tornadoes are likely from
  the northern and central Plains into the middle Missouri Valley
  this afternoon into tonight. Severe winds and some hail are also
  expected across parts of the Southeast, with isolated strong to
  severe storms across the southern High Plains.

Preparedness actions...

Review your severe weather safety procedures for the possibility
of dangerous weather today. Stay tuned to NOAA Weather Radio,
weather.gov, or other media for watches and warnings. A watch
means that conditions are favorable for severe thunderstorms
over the next several hours. If a severe thunderstorm warning is
issued for your area, move to a place of safety, ideally in an 
interior room on the lowest floor of a sturdy building.

&&

..Guyer.. 06/01/2018

$$

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SPC Center Public Severe Weather Outlook (PWO)

Public Severe Weather Outlook

PWO Image

PUBLIC SEVERE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1129 AM CDT TUE MAY 15 2018

...Severe thunderstorms expected over parts of the northeast US this
afternoon...

* LOCATIONS...
  Southern New York
  Northeast Pennsylvania
  Connecticut
  Massachusetts
  Northern New Jersey
  Northern Rhode Island

* HAZARDS...
  Widespread damaging winds
  A few tornadoes
  Scattered large hail

* SUMMARY...
  Widespread damaging winds, a few tornadoes, and scattered large
  hail are expected across parts of the Northeast States this
  afternoon into early evening.

Preparedness actions...

Review your severe weather safety procedures for the possibility
of dangerous weather today. Stay tuned to NOAA Weather Radio,
weather.gov, or other media for watches and warnings. A watch
means that conditions are favorable for severe thunderstorms
over the next several hours. If a severe thunderstorm warning is
issued for your area, move to a place of safety, ideally in an 
interior room on the lowest floor of a sturdy building.

&&

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SPC Center Public Severe Weather Outlook (PWO)

Public Severe Weather Outlook

PWO Image

PUBLIC SEVERE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0932 AM CDT WED MAY 02 2018

...Severe thunderstorms expected over parts of the central Plains
this afternoon and tonight...

* LOCATIONS...
  South-central to northeast Kansas
  Northwest Missouri
  Far southeast Nebraska
  Western Oklahoma

* HAZARDS...
  Widespread damaging winds, some hurricane force
  A few intense tornadoes
  Scattered large hail, some baseball size

* SUMMARY...
  Severe thunderstorms are expected across parts of the southern
  and central Plains into the middle Mississippi Valley today and
  tonight. Swaths of damaging winds, large to very large hail, and
  several tornadoes will be possible, especially from northwest
  Missouri across central Kansas to northwest Oklahoma.

Preparedness actions...

Review your severe weather safety procedures for the possibility
of dangerous weather today. Stay tuned to NOAA Weather Radio,
weather.gov, or other media for watches and warnings. A watch
means that conditions are favorable for severe thunderstorms
over the next several hours. If a severe thunderstorm warning is
issued for your area, move to a place of safety, ideally in an 
interior room on the lowest floor of a sturdy building.

&&

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SPC Center Public Severe Weather Outlook (PWO)

Public Severe Weather Outlook

PWO Image

PUBLIC SEVERE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0734 AM CDT FRI APR 13 2018

...Severe thunderstorms expected over parts of the Ark-La-Tex to
Lower Mississippi Valley this afternoon and tonight...

* LOCATIONS...
  Arkansas
  Northern Louisiana
  Northeast Texas
  Northwest Mississippi
  Southeast Oklahoma

* HAZARDS...
  Several tornadoes, a few intense
  Widespread damaging winds
  Scattered large hail, some baseball size

* SUMMARY...
  Numerous to widespread severe storms are expected from the
  Mid-Missouri Valley south into the Ark-La-Tex states and Lower
  Mississippi Valley this afternoon into tonight. Several
  tornadoes (some strong), very large hail, and damaging winds
  will be possible.

Preparedness actions...

Review your severe weather safety procedures for the possibility
of dangerous weather today. Stay tuned to NOAA Weather Radio, 
weather.gov, or other media for watches and warnings. A tornado
watch means that conditions are favorable for tornadoes to form
during the next several hours. If a tornado warning is issued for
your area, move to a place of safety, ideally in a basement or
interior room on the lowest floor of a sturdy building.

&&

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SPC Center Public Severe Weather Outlook (PWO)

Public Severe Weather Outlook

PWO Image

PUBLIC SEVERE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1131 AM CDT TUE APR 03 2018

...Severe thunderstorms expected over parts of the Mid-South, Ohio,
and mid Mississippi Valley regions later today and tonight...

* LOCATIONS...
  Kentucky
  Tennessee
  Indiana
  Mississippi
  Arkansas
  Ohio
  Illinois
  Missouri
  Alabama

* HAZARDS...
  Widespread damaging winds, some hurricane force
  A few intense tornadoes
  Scattered large hail, some baseball size

* SUMMARY...
  A Moderate Risk for thunderstorms producing widespread damaging
  winds, large hail, and a few tornadoes exists over parts of the
  Ohio, mid Mississippi Valley and Mid-South regions.

Preparedness actions...

Review your severe weather safety procedures for the possibility
of dangerous weather today. Stay tuned to NOAA Weather Radio,
weather.gov, or other media for watches and warnings. A watch
means that conditions are favorable for severe thunderstorms
over the next several hours. If a severe thunderstorm warning is
issued for your area, move to a place of safety, ideally in an 
interior room on the lowest floor of a sturdy building.

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SPC Center Public Severe Weather Outlook (PWO)

Public Severe Weather Outlook

PWO Image

PUBLIC SEVERE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1141 AM CDT MON MAR 19 2018

...Severe thunderstorms expected over parts of the Tennessee Valley
this afternoon and tonight...

* LOCATIONS...
  Northern Alabama
  Far northwest Georgia
  Far southern Middle Tennessee
  Extreme northeast Mississippi

* HAZARDS...
  Several tornadoes, a few intense
  Scattered large hail, some baseball size
  Isolated damaging winds

* SUMMARY...
  Strong tornadoes, very large hail, and damaging winds are
  expected across parts of the Tennessee Valley and Southeast
  during the late afternoon and evening.

Preparedness actions...

Review your severe weather safety procedures for the possibility
of dangerous weather today. Stay tuned to NOAA Weather Radio, 
weather.gov, or other media for watches and warnings. A tornado
watch means that conditions are favorable for tornadoes to form
during the next several hours. If a tornado warning is issued for
your area, move to a place of safety, ideally in a basement or
interior room on the lowest floor of a sturdy building.

&&

..Grams.. 03/19/2018

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SPC Mar 12, 2018 0600 UTC Day 2 Convective Outlook

SPC 0600Z Day 2 Outlook

Day 2 Outlook Image

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1125 PM CDT Sun Mar 11 2018

Valid 131200Z - 141200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Isolated thunderstorms are expected across portions of the Great
Basin and along the California coast.

...CA Coast/Great Basin...

Significant mid-level height falls are expected to spread inland
across the western US ahead of a strong short-wave trough that will
approach the CA coast late in the period. Large-scale forcing for
ascent will aid mid-level moistening across NV/OR/ID as lapse rates
steepen and convection should develop towards 14/00z as stronger
flow aloft translates into this region. Isolated thunderstorms are
expected across portions of the Great basin into the late evening
hours.

Farther west along the northern/central CA coast, profiles are
expected to cool significantly during the day as mid-level
temperatures drop in advance of approaching trough. Forecast
soundings suggest sufficient buoyancy will evolve by late afternoon
for lightning production within the deepest updrafts, primarily near
the coast.

..Darrow.. 03/12/2018

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SPC Mar 12, 2018 0730 UTC Day 3 Severe Thunderstorm Outlook

SPC 0730Z Day 3 Outlook

Day 3 Outlook Image

Day 3 Convective Outlook  
NWS Storm Prediction Center Norman OK
0100 AM CDT Mon Mar 12 2018

Valid 141200Z - 151200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
A few thunderstorms are possible Wednesday across portions of the
Great Basin into the central Rockies.

...Great Basin/Central Rockies...

Strong short-wave trough will translate into NV by 18z Wednesday
before ejecting into ID/WY by 15/06z. Large-scale forcing for ascent
should aid mid-level moistening as lapse rates steepen in advance of
this feature. Additionally, modest boundary-layer heating is
expected to contribute to destabilization and forecast soundings
favor at least some potential for deep convection ahead of the short
wave. While PW values will remain seasonally low across this region,
cold mid-level temperatures should enhance lightning production. For
these reasons have introduced 10% thunder probabilities to account
for convective potential primarily between 14/18z-15/02z.

..Darrow.. 03/12/2018

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SPC Nov 6, 2017 0700 UTC Day 2 Convective Outlook

SPC 0700Z Day 2 Outlook

Day 2 Outlook Image

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1253 AM CST Mon Nov 06 2017

Valid 071200Z - 081200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe storms are not expected across the U.S. Tuesday.

...Synopsis...
Low-amplitude mid-level troughing extending from the Great Lakes
westward into the Intermountain West will advance slowly
southeastward Tuesday, while ridging increases in the wake of this
feature over the western U.S.  As the trough advances, a roughly
west-to-east surface cold front over the southeast quarter of the
country will continue a steady southeast advance toward the Gulf
Coast.  Behind the front, high pressure will expand to cover much of
the country.

Showers and a few thunderstorms are expected in the vicinity of --
and to the cool side of -- the advancing surface front, particularly
from the Mid-South region eastward.  Convection farther west will
likely remain more spotty/uncertain, though with some increase
possible after dark in conjunction with an increase in low-level
warm advection.  In all areas, severe storms are not expected.

..Goss.. 11/06/2017

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SPC Nov 5, 2017 0830 UTC Day 3 Severe Thunderstorm Outlook

SPC 0830Z Day 3 Outlook

Day 3 Outlook Image

Day 3 Convective Outlook  
NWS Storm Prediction Center Norman OK
0127 AM CST Sun Nov 05 2017

Valid 071200Z - 081200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe storms are not expected across the U.S. Tuesday.

...Synopsis...
Positively tilted troughing within the upper flow field across the
U.S. will gradually shift southeastward out of the Rockies and
across the Plains/Midwest.  Meanwhile, ridging is progged to expand
over the West in the wake of this trough, and ahead of a large upper
low moving south-southeast out of the Gulf of Alaska.  

At the surface, high pressure will prevail across a large/expanding
portion of the country in the wake of a surface cold front moving
slowly southeastward across Southeast/southern Plains.

Showers and scattered thunderstorms are expected in the vicinity of
the front during the period, and flow aloft would otherwise be
sufficient to support organized convection.  However, relatively
weak lapse rates and weak large-scale subsidence atop the warm
sector should hinder convective intensity -- and preclude
appreciable severe risk.

..Goss.. 11/05/2017

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