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Official

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
Official

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
Official

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
Official

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
Official

Flood Warning issued April 9 at 9:20PM CDT by NWS Shreveport LA

...The Flood Warning continues for the following rivers in Arkansas... Ouachita River At Felsenthal Lock and Dam affecting Union and Ashley Counties. For the Ouachita River...including Felsenthal Lock and Dam, Monroe, Columbia...Major flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Ouachita River at Felsenthal Lock and Dam. * WHEN...Until further notice. * IMPACTS...At 83.0 feet, Expect long term flooding for several weeks in the Felsenthal National Wildlife Refuge. Travel becomes difficult as all access roadways flood. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 70.4 feet. - Bankfull stage is
Official

Air Quality Alert issued April 9 at 7:01AM MST by NWS Phoenix AZ

AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for the Phoenix Metro Area through Thursday. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute or use mass transit. The use of gasoline-powered equipment
Official

Flood Warning issued April 9 at 9:10PM CDT by NWS Shreveport LA

...The Flood Warning continues for the following rivers in Arkansas...Louisiana... Bayou Dorcheat Near Springhill affecting Columbia and Webster Parishes. For the Bayou Dorcheat...including Springhill, Dixie Inn, Lake Bistineau...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Bayou Dorcheat near Springhill. * WHEN...Until further notice. * IMPACTS...At 13.0 feet, Minor lowland flooding of private boat ramps. Move livestock to higher ground. * ADDITIONAL DETAILS... - At 8:00 PM CDT Wednesday the stage was 15.0 feet. - Bankfull stage is 11.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM
Official

Flood Warning issued April 9 at 8:58PM CDT until April 28 at 1:00PM CDT by NWS Jackson MS

...The Flood Warning continues for the following rivers in Mississippi...Louisiana...Arkansas... Mississippi River At Natchez affecting Concordia, Adams and Wilkinson Counties. Mississippi River Near Greenville affecting Washington, Issaquena, Chicot and East Carroll Counties. Mississippi River Near Arkansas City affecting Bolivar, Chicot, Washington and Desha Counties. Mississippi River At Vicksburg affecting Warren, Jefferson, Tensas, Claiborne and Madison Counties. * WHAT...Moderate flooding is forecast. * WHERE...Mississippi River near Greenville. * WHEN...From Saturday morning to Monday, April 28. * IMPACTS...At 51.5 feet, Greenville boat store is inoperable for towboat supplies. * ADDITIONAL DETAILS... - At 8:00 PM CDT Wednesday the stage was 44.9 feet.