SPC Apr 10, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0333 AM CDT Thu Apr 10 2025 Valid 131200Z - 181200Z ...DISCUSSION... Primary feature of interest will be a shortwave trough over MT at 12Z Sunday and its major amplification into a broad eastern CONUS/southeast Canadian trough through mid-week. Poleward moisture quality from the western Gulf will remain sub-optimal, but will improve through D5/Monday. The northeast extent of weak surface buoyancy should reach the OH Valley by Monday afternoon, where guidance has been trending farther south with an intense mid-level jet. Given a prior EML and the
SPC Apr 10, 2025 0730 UTC Day 3 Severe Thunderstorm Outlook
SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0154 AM CDT Thu Apr 10 2025 Valid 121200Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Saturday or Saturday night. ...Central Rockies to the Upper Midwest... A mid-level ridge from the southern High Plains to the Upper Midwest at 12Z Saturday morning will shift east and gradually dampen, as a shortwave trough progresses across the northern Rockies and into MT through early Sunday. Large-scale ascent will strengthen near peak diurnal heating across parts of the central Rockies to
SPC Apr 10, 2025 0600 UTC Day 2 Convective Outlook
SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1234 AM CDT Thu Apr 10 2025 Valid 111200Z - 121200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS IN PARTS OF THE SOUTHEAST... ...SUMMARY... Isolated severe hail and damaging winds are possible across parts of the Southeast from late morning through the afternoon Friday. ...Eastern NC vicinity... A leading shortwave impulse rotating through the basal portion of a broader eastern U.S. longwave trough will yield strengthening forcing for ascent during the late morning. Some 00Z HREF members, notably the NSSL and FV3 indicate thunderstorm
SPC Apr 10, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1230 AM CDT Thu Apr 10 2025 Valid 101200Z - 111200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM PORTIONS OF THE LOWER OHIO RIVER VALLEY INTO THE DEEP SOUTH... ...SUMMARY... Scattered strong-severe thunderstorms are expected from portions of the lower Ohio Valley into the Deep South this afternoon. Hail and wind are the primary concerns. ...Discussion... Strong 500mb speed max is translating across the central Plains toward the Mid South. This will allow an upper trough to deepen east of the MS River
Hydrologic Outlook issued April 9 at 3:21PM MDT by NWS Riverton WY
ESFRIW Temperatures are forecast to climb Thursday through Saturday, which will melt low elevation and foothill snow in far west Wyoming, specifically the Star Valley region. There is also potential for higher elevation snow to melt during this time. Current high temperatures are forecast to be in the 60s Thursday and Friday and around 60 on Saturday. Additionally, low temperatures Friday and Saturday mornings are not expected to fall below freezing. These warm temperatures are around 15 degrees above normal and could result in significant melting of snow given a deep snowpack. As of Tuesday April 8th, a snow depth
SPC Apr 9, 2025 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0247 PM CDT Wed Apr 09 2025 Valid 092000Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms remain possible through tonight from parts of the northern/central Plains into the Midwest and Ohio Valley and eastern FL. Severe thunderstorms are not expected. ...20z Update... Only minor changes were made to the thunder areas across parts of NE and MT for the latest guidance and ongoing storms. Severe thunderstorms are unlikely, see the prior discussion. ..Lyons.. 04/09/2025 .PREV DISCUSSION... /ISSUED 1115 AM CDT Wed Apr
SPC Apr 9, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0211 PM CDT Wed Apr 09 2025 Valid 111200Z - 121200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS THE EASTERN CAROLINAS AND FAR SOUTHEAST VIRGINIA.... ...SUMMARY... A couple strong to severe storms will be possible from the eastern Carolinas into southeast Virginia on Friday. Primary concerns will be isolated severe hail and locally damaging wind gusts. ...Discussion... A strong mid-level jet streak will round the base of the trough on Friday morning resulting in a deepening, negatively tilted mid-level shortwave trough across the
SPC Apr 9, 2025 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1210 PM CDT Wed Apr 09 2025 Valid 101200Z - 111200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PORTIONS OF THE MID-MISSISSIPPI VALLEY TO NORTHERN GEORGIA... ...SUMMARY... Scattered severe storms capable of producing large hail and damaging gusts will be possible across portions of the Mid/Deep South and Tennessee Valley on Thursday. ...Synopsis... On Thursday, an elongated, strong mid-level jet streak across the central Plains will help amplify the trough across the eastern CONUS. Very cold mid-level temperatures (-25 to -26C at 500mb)
Hydrologic Outlook issued April 9 at 1:10PM PDT by NWS Elko NV
ESFLKN Near record warmth is expected in portions of Northern and Central Nevada thru the end of the week. This will accelerate snowmelt and enhance runoff into area creeks and rivers. Creeks and rivers that are susceptible to rapid water level rises will be most impacted. Waterways affected include, but are not limited to, Martin Creek in Humboldt County, the Owyhee River in Elko County, the Bruneau River in Elko County, and Salmon Falls Creek in Elko County. Wildhorse Dam is expected to reach Action stage (9.0 feet and 6,205 feet, respectively) and Salmon Falls Creek is expected to rise
Hydrologic Outlook issued April 9 at 12:52AM PDT by NWS Elko NV
ESFLKN Near record warmth is expected in portions of Northern and Central Nevada thru the end of the week. This will accelerate snowmelt and enhance runoff into area creeks and rivers. Creeks and rivers that are susceptible to rapid water level rises will be most impacted. Waterways affected include, but are not limited to Martin Creek in Humboldt County, the Owyhee River in Elko County, the Bruneau River in Elko County, and Salmon Falls Creek in Elko County. Salmon Falls Creek and Wildhorse Dam are expected to reach action stage (9.0 feet and 6,205 feet, respectively) by late this week.