Subscribe
Subscribe

Tag: spc

Official

SPC Jan 12, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0626 PM CST Sat Jan 11 2025 Valid 120100Z - 121200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected through tonight. A stable pattern will persist across the CONUS through tonight, with a large area of high pressure over the Southeast and much of the West. Little if any instability is forecast over the West even with cold temperatures aloft beneath an amplifying upper trough, and as such, thunderstorms remain unlikely. ..Jewell.. 01/12/2025 Read more
StormPrep
Official

SPC Jan 11, 2025 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0251 AM CST Sat Jan 11 2025 Valid 141200Z - 191200Z ...DISCUSSION... Strong surface high pressure and a dry/stable airmass will envelop much of the CONUS through Day 6/Thu. By the end of the period around Day 7-8/Fri-Sat, medium range guidance indicates a shortwave upper trough may move across the southern Plains and Southeast. As this occurs, a deepening surface cyclone will develop over the southern Plains and shift east. Strengthening southerly low-level flow ahead of the surface low will allow for Gulf moisture to return northward
StormPrep
Official

SPC MD 33

MD 0033 CONCERNING FREEZING RAIN FOR PORTIONS OF CENTRAL AND NORTHERN SOUTH CAROLINA INTO CENTRAL NORTH CAROLINA Mesoscale Discussion 0033 NWS Storm Prediction Center Norman OK 0534 PM CST Fri Jan 10 2025 Areas affected...portions of central and northern South Carolina into central North Carolina Concerning...Freezing rain Valid 102334Z - 110330Z SUMMARY...Heavier freezing rain rates will continue to spread into northern South Carolina into central North Carolina through the evening hours. .06 inch/3 hour rates are expected. DISCUSSION...Low-level warm-air advection continues to intensify across GA into SC ahead of an approaching mid-level trough. While a wintry mix is ongoing across
StormPrep
Official

SPC MD 29

MD 0029 CONCERNING HEAVY SNOW FOR CENTRAL/NORTHERN AR INTO NORTHERN MS AND WESTERN TN Mesoscale Discussion 0029 NWS Storm Prediction Center Norman OK 0242 AM CST Fri Jan 10 2025 Areas affected...Central/northern AR into northern MS and western TN Concerning...Heavy snow Valid 100842Z - 101345Z SUMMARY...Occasional snow rates of near/above 1 inch per hour remain possible through the early morning. DISCUSSION...Moderate to occasionally heavy snow is ongoing early this morning across parts of far eastern OK into central/northern AR, in association with a mid/upper-level shortwave trough moving from the southern Plains towards the lower MS Valley. Low-level warm/moist advection and
StormPrep
Official

SPC MD 30

MD 0030 CONCERNING WINTER MIXED PRECIPITATION FOR PARTS OF NORTHEAST MS...NORTHERN AL/GA...SOUTHERN MIDDLE TN Mesoscale Discussion 0030 NWS Storm Prediction Center Norman OK 0419 AM CST Fri Jan 10 2025 Areas affected...Parts of northeast MS...northern AL/GA...southern middle TN Concerning...Winter mixed precipitation Valid 101019Z - 101515Z SUMMARY...An increase in winter precipitation rates is possible through the early morning. DISCUSSION...An extensive precipitation shield is gradually spreading eastward across the Southeast early this morning, in advance of a mid/upper-level shortwave trough approaching the lower MS Valley. Precipitation rates across northern AL/GA have thus far been limited by very dry antecedent conditions (as noted
StormPrep