Hydrologic Outlook issued April 8 at 1:32PM 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 will struggle to drop below the mid-30s. 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 8, 2025 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0246 PM CDT Tue Apr 08 2025 Valid 082000Z - 091200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... While organized severe storms are unlikely, isolated strong storms may occur over far southern Florida and the Keys through early evening, and perhaps also across southeast Montana to the Black Hills. ...20z Update... No changes in forecast reasoning since the prior Outlook. The cold front will continue to spread south-southeastward across southern Florida, with thunderstorms increasingly relegated to the far southeast part of the Peninsula, Keys, and Florida
SPC Apr 8, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0207 PM CDT Tue Apr 08 2025 Valid 101200Z - 111200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS THE LOWER OHIO VALLEY...MID-MISSISSIPPI VALLEY...AND INTO THE MID-SOUTH... ...SUMMARY... Isolated severe storms capable of producing large hail and locally damaging gusts will be possible from the Lower Ohio River Valley to the Mid-Mississippi Valley and the Mid-South. ...Synopsis and Discussion... A mid-level trough will amplify across the eastern CONUS on Thursday with very cold mid-level temperatures (-22 to -26C at 500mb) expected from the Great
SPC Apr 8, 2025 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1212 PM CDT Tue Apr 08 2025 Valid 091200Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible across portions of the Midwest, the Upper Midwest, and the northern High Plains, though severe storms are not expected. ...Synopsis and Discussion... A midlevel trough will amplify as it advances southeastward from the northern Plains into the Midwest on Wednesday, while a surface low will develop over Missouri and moves into the Lower Ohio Valley. A cold front will extend southwestward from this surface low
Hydrologic Outlook issued April 8 at 12:15AM PDT by NWS Elko NV
ESFLKN Near record warmth is expected in portions of Northern and Central Nevada during the middle to latter part of this 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 is expected to reach action stage (9.0 feet) late this week. Action stage is the level
SPC Apr 8, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0337 AM CDT Tue Apr 08 2025 Valid 111200Z - 161200Z ...DISCUSSION... On Day 4/Friday, an amplified large-scale trough will move slowly eastward across the Appalachians. Ahead of a related surface low in the lee of the Appalachians, weakly modified boundary-layer moisture will be in place across the coastal Mid-Atlantic states. While instability will be marginal, owing to the limited moisture and poor lapse rates, strong south-southwesterly midlevel flow may support a couple strong storms during the afternoon. The overall severe threat appears too marginal for severe
SPC Apr 8, 2025 0730 UTC Day 3 Severe Thunderstorm Outlook
SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0218 AM CDT Tue Apr 08 2025 Valid 101200Z - 111200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE TENNESSEE VALLEY... ...SUMMARY... Isolated severe storms capable of producing large hail and locally damaging gusts will be possible across portions of the Tennessee Valley on Thursday afternoon and evening. ...Synopsis... A positively tilted large-scale trough and accompanying midlevel speed maximum will move southeastward from the Middle/Upper MS Valley to the southern Appalachians through the period. At the same time, a weak surface
SPC Apr 8, 2025 0600 UTC Day 2 Convective Outlook
SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1219 AM CDT Tue Apr 08 2025 Valid 091200Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible across portions of the the Middle Mississippi Valley and northern High Plains, though severe storms are not expected. ...Synopsis and Discussion... A midlevel trough will amplify as it advances southeastward from the northern Plains into the Midwest, while a related surface low and southwestward-extending cold front overspread the Mid MS/OH Valleys. Despite limited boundary-layer moisture, steep midlevel lapse rates will yield sufficient instability (albeit weak)
SPC Apr 8, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1215 AM CDT Tue Apr 08 2025 Valid 081200Z - 091200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated strong storms may occur over far southern Florida and the Keys tonight into Wednesday morning, and from southeast Montana to the Black Hills. ...Synopsis... A positive-tilt trough in the western Gulf will slide eastward through the day. This trough will eventually reach the Florida Peninsula late tonight into Wednesday morning. In the West, an upper ridge will build with the strongest flow aloft situated over the Northwest
SPC Apr 7, 2025 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0227 PM CDT Mon Apr 07 2025 Valid 072000Z - 081200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THIS EVENING FROM NORTH FLORIDA TO EASTERN NORTH CAROLINA... ...SUMMARY... Scattered severe storms are expected this afternoon across parts of northern Florida and southeastern Georgia to the eastern Carolinas. ...North FL to eastern NC the remainder of the afternoon... The earlier supercell structures have largely weakened across north FL/southeast GA, though newer bowing segments have formed and are moving across eastern NC with recent severe