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
SPC May 13, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 AM CDT Tue May 13 2025 Valid 131300Z - 141200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE MID-ATLANTIC...NORTHERN GREAT PLAINS...AND DEEP SOUTH... ...SUMMARY... Isolated severe thunderstorms are possible: 1) today in vicinity of Virginia-North Carolina-West Virginia, 2) during the late afternoon to mid-evening over a portion of the Deep South, and 3) this evening into early morning Wednesday in parts of the northern Great Plains. ...NC/VA/WV vicinity... The upper-level low centered near the mid-Mississippi Valley will continue to lift
Hydrologic Outlook issued May 12 at 4:43PM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River is open from Tanana to Grayling and opening up between Anvik and downstream of Holy Cross. The River Watch team will be in the air over the lower Yukon starting tomorrow and will provide updates daily.
Hydrologic Outlook issued May 12 at 4:08PM AKDT by NWS Fairbanks AK
ESFAFG Breakup along the Upper Yukon remains stalled below Ft. Yukon since last Tuesday (May 6). The ice is degrading and breaking up locally but in-place ice remains intermittently below the mouth of the Porcupine River down to the confluence with the Tanana River. With water levels remaining low there isn't much force to push the remaining ice out and it is expected to continue degrading over the next few days.
Hydrologic Outlook issued May 12 at 3:58PM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River is open from Tanana to beyond Kaltag. With water levels remaining low, stranded ice remains on banks and in side channels. Above Tanana, from Ft. Yukon to the Tanana River confluence, the river ice remains intermittently intact and very degraded. As this ice begins to move out and water levels eventually rise, ice runs can be expected to continue through the end of the week.
Hydrologic Outlook issued May 12 at 3:54PM AKDT by NWS Fairbanks AK
ESFAFG The river ice at Hughes lifted on Friday and is thermally degraded but in-place down to Winthrop Point. Below Winthrop Point the river is a mix of degraded in-place ice on bends alternating with open stretches of water to near the mouth which is open for several miles upstream of the community of Koyukuk.
Hydrologic Outlook issued May 12 at 1:14PM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River is open from Tanana to Grayling and opening up at Anvik. Below Anvik the river is a mix of open areas and thermally degraded in-place ice. The River Watch team will be in the air over the lower Yukon starting tomorrow and will provide updates daily.
Hydrologic Outlook issued May 12 at 11:11AM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River is open from Tanana to beyond Kaltag. With water levels remaining low, stranded ice remains on banks and in side channels. Above Tanana, from Ft. Yukon to the confluence with the Tanana River, the river ice remains intermittently intact and very degraded. As this ice begins moves out and water levels eventually rise, ice runs can be expected to continue through the end of the week.