Tag: spc

Official

SPC Apr 18, 2025 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0240 PM CDT Fri Apr 18 2025 Valid 182000Z - 191200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM THE SOUTHERN PLAINS NORTHEASTWARD TO THE UPPER GREAT LAKES AREA... ...SUMMARY... Scattered severe thunderstorms are possible from parts of the southern Plains northeastward through the mid Mississippi Valley and southwestern Great Lakes, mainly from late afternoon into early Saturday morning. Large to very large hail and severe wind gusts should be the main hazards, especially across the southern Plains where storms will be more concentrated.
Official

SPC MD 467

MD 0467 CONCERNING SEVERE THUNDERSTORM WATCH 142... FOR SOUTHERN WISCONSIN...LAKE MICHIGAN Mesoscale Discussion 0467 NWS Storm Prediction Center Norman OK 0722 AM CDT Fri Apr 18 2025 Areas affected...Southern Wisconsin...Lake Michigan Concerning...Severe Thunderstorm Watch 142... Valid 181222Z - 181415Z The severe weather threat for Severe Thunderstorm Watch 142 continues. SUMMARY...A severe threat will likely continue over the next couple of hours from parts of southern Wisconsin eastward over Lake Michigan. Significant wind gusts and large hail will be possible with the strongest of cells. DISCUSSION...The latest high-resolution radar imagery from KMKX shows a cluster of strong to severe storms over
Official

SPC Apr 18, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0700 AM CDT Fri Apr 18 2025 Valid 181300Z - 191200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM PARTS OF THE SOUTHERN PLAINS INTO THE MID MISSISSIPPI VALLEY AND UPPER GREAT LAKES... ...SUMMARY... Scattered severe thunderstorms are possible from parts of the southern Plains northeastward toward the upper Great Lakes, mainly from late afternoon into early Saturday morning. Large to very large hail and severe wind gusts should be the main hazards, especially across the southern Plains where storms will be more concentrated.
Official

SPC Severe Thunderstorm Watch 142 Status Reports

WW 0142 Status Updates STATUS REPORT ON WW 142 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..BROYLES..04/18/25 ATTN...WFO...MKX... STATUS REPORT FOR WS 142 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS WIC021-025-027-045-049-055-059-065-079-089-101-105-127-131-133- 181240- WI . WISCONSIN COUNTIES INCLUDED ARE COLUMBIA DANE DODGE GREEN IOWA JEFFERSON KENOSHA LAFAYETTE MILWAUKEE OZAUKEE RACINE ROCK WALWORTH WASHINGTON WAUKESHA LMZ644-645-646-671-673-675-181240- CW . ADJACENT COASTAL WATERS INCLUDED ARE PORT WASHINGTON TO NORTH POINT LIGHT WI NORTH POINT LIGHT TO WIND POINT WI WIND POINT WI TO WINTHROP HARBOR IL LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5NM Read more
Official

SPC Severe Thunderstorm Watch 142

WW 142 SEVERE TSTM WI LM 181055Z - 181600Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 142 NWS Storm Prediction Center Norman OK 555 AM CDT Fri Apr 18 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southern Wisconsin Lake Michigan * Effective this Friday morning from 555 AM until 1100 AM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible SUMMARY...Multiple supercells and bowing structures will spread quickly eastward this
Official

SPC MD 461

MD 0461 CONCERNING SEVERE THUNDERSTORM WATCH 140... FOR SOUTHEAST MINNESOTA INTO NORTHWEST IOWA Mesoscale Discussion 0461 NWS Storm Prediction Center Norman OK 0556 PM CDT Thu Apr 17 2025 Areas affected...Southeast Minnesota into Northwest Iowa Concerning...Severe Thunderstorm Watch 140... Valid 172256Z - 180100Z The severe weather threat for Severe Thunderstorm Watch 140 continues. SUMMARY...Storms in southeast Minnesota will pose a short-term threat for small to marginally severe hail and perhaps isolated wind damage. Additional development, though not certain, is possible in Northwest Iowa. Large hail and damaging winds would be the main threat in that area. DISCUSSION...A line of storms
Official

SPC MD 462

MD 0462 CONCERNING TORNADO WATCH 141... FOR FAR EASTERN NEBRASKA AND SOUTHWEST IOWA Mesoscale Discussion 0462 NWS Storm Prediction Center Norman OK 0737 PM CDT Thu Apr 17 2025 Areas affected...far eastern Nebraska and southwest Iowa Concerning...Tornado Watch 141... Valid 180037Z - 180130Z The severe weather threat for Tornado Watch 141 continues. SUMMARY...The tornado threat will be maximized over the next hour across far eastern Nebraska and southwest Iowa DISCUSSION...Two strong, mature supercells with a history of 2 to 2.75 inch hail, wind gusts up to 82 mph and a few tornadoes, continue east this evening. The tornado threat has
Official

SPC Apr 18, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0734 PM CDT Thu Apr 17 2025 Valid 180100Z - 181200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM EXTREME EASTERN NEBRASKA INTO WESTERN AND CENTRAL IOWA... ...SUMMARY... Isolated to scattered severe thunderstorms will continue early tonight from eastern Nebraska into western and central Iowa. Very large hail to 3 inches in diameter or greater, isolated severe gusts of 60-70 mph, and a couple of tornadoes will all be possible. ...01z Update... Water-vapor imagery suggests a weak short-wave trough is located over western NE