SPC May 15, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0802 PM CDT Wed May 14 2025 Valid 150100Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL AND NORTHERN PLAINS... ...SUMMARY... Scattered strong to severe thunderstorms will occur over parts of the Dakotas and Nebraska this evening, and across far western Iowa and southwestern Minnesota overnight. Very large hail, severe wind gusts, and a couple of tornadoes will be possible. A few marginally severe storms may also occur from the Lower Ohio Valley into the Carolinas. ...Central and
SPC May 14, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1128 AM CDT Wed May 14 2025 Valid 141630Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE NORTHERN/CENTRAL PLAINS... ...SUMMARY... Scattered strong to severe thunderstorms should occur over parts of the Dakotas and Nebraska this afternoon and evening, and far western Iowa and southwest Minnesota overnight. Very large hail, severe wind gusts, and a couple of tornadoes all appear possible. ...Northern/Central Plains... An upper trough over the western states will pivot eastward today while gradually acquiring a negative tilt
SPC May 14, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0749 AM CDT Wed May 14 2025 Valid 141300Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF THE CENTRAL AND NORTHERN PLAINS... ...SUMMARY... Scattered strong to severe thunderstorms are possible mainly over parts of the Dakotas and Nebraska this afternoon and evening, and far western Iowa and southwest Minnesota overnight. A few strong to severe storms may occur from parts of the southern Appalachians to the Carolinas and Mid-Atlantic this afternoon. ...Northern/Central Plains... Surface low pressure will deepen in the
Hydrologic Outlook issued May 13 at 7:52PM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River continues to hold sections of thermally degraded in-place ice between Ft. Yukon and Tanana. These sections are slowly breaking up and will continue to create ice runs.
Hydrologic Outlook issued May 13 at 3:00PM AKDT by NWS Fairbanks AK
ESFAFG The Koyukuk River is mostly open between Hughes and its confluence with the Yukon River. Upstream of Hughes, in-place ice remains and will continue sending runs of ice downstream as breakup progresses.
Hydrologic Outlook issued May 13 at 12:52PM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River is open from Tanana to Anvik. Ice runs from upstream of Tanana continue as ice degrades between Ft. Yukon and Rampart. Intermittent in-place ice remains from Holy Cross down to the breakup front which is currently near St. Mary's. Updates from today's River Watch flights will be available this eve.
Hydrologic Outlook issued May 13 at 12:34PM AKDT by NWS Fairbanks AK
ESFAFG The Koyukuk River is mostly open between Hughes and its confluence with the Yukon River. Upstream of Hughes, in-place ice remains and will continue sending runs of ice downstream as breakup progresses.
SPC May 14, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Tue May 13 2025 Valid 140100Z - 141200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS EASTERN NORTH CAROLINA AN EASTERN VIRGINIA AND FROM NORTHEAST WYOMING AND SOUTHEAST MONTANA INTO THE WESTERN DAKOTAS... ...SUMMARY... Marginally severe thunderstorms remain possible this evening across eastern North Carolina and eastern Virginia and northern High Plains. ...Discussion... The thunderstorms have ended across the marginal in Mississippi and Alabama and additional development is not anticipated given waning daylight and a cooling boundary layer. A few strong
Hydrologic Outlook issued May 13 at 1:45PM MDT by NWS Billings MT
ESFBYZ Recent warm temperatures and increased snowmelt have area rivers and streams running high. While decreasing temperatures will bring an end to most of the snowmelt in the mountains, widespread precipitation is expected into Thursday. Snow is expected to fall above 7000 feet, with periods of showers and weak thunderstorms bringing between 0.5 to 2.0 inches of rainfall over the lower elevations and foothills. Rivers and streams will remain high, and additional rises are possible due to the expected precipitation. While widespread flooding of rivers and streams is not expected, localized minor flooding impacts are possible. Please continue to monitor
SPC May 13, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1122 AM CDT Tue May 13 2025 Valid 131630Z - 141200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF NORTH CAROLINA INTO THE SOUTHERN MID-ATLANTIC...CENTRAL GULF COAST STATES...AND NORTHERN PLAINS... ...SUMMARY... Isolated strong to severe thunderstorms appear possible today and tonight across parts of North Carolina into the southern Mid-Atlantic, central Gulf Coast states, and northern Plains. ...North Carolina into the Southern Mid-Atlantic... A closed mid/upper-level low will continue to slowly meander from the TN Valley towards the central Appalachians through the