Tag: spc

Official

SPC Tornado Watch 1 Status Reports

WW 0001 Status Updates STATUS REPORT ON WW 1 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSW UTS TO 45 NE LFK TO 15 SSE ELD TO 10 ENE PBF. ..LEITMAN..01/05/25 ATTN...WFO...JAN...LZK...SHV...LCH...HGX... STATUS REPORT FOR WT 1 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS ARC003-011-017-041-043-079-139-052040- AR . ARKANSAS COUNTIES INCLUDED ARE ASHLEY BRADLEY CHICOT DESHA DREW LINCOLN UNION LAC003-011-013-021-027-031-043-049-059-061-067-069-073-079-081- 085-111-115-127-052040- LA . LOUISIANA PARISHES INCLUDED ARE ALLEN BEAUREGARD BIENVILLE CALDWELL CLAIBORNE DE SOTO GRANT JACKSON LA SALLE LINCOLN MOREHOUSE NATCHITOCHES OUACHITA RAPIDES RED RIVER SABINE UNION VERNON WINN Read more
Official

SPC MD 10

MD 0010 CONCERNING WINTER MIXED PRECIPITATION FOR PORTIONS OF SOUTHERN IN...CENTRAL/EASTERN KY...FAR SOUTHWEST WV...AND FAR WESTERN VA Mesoscale Discussion 0010 NWS Storm Prediction Center Norman OK 1058 AM CST Sun Jan 05 2025 Areas affected...Portions of southern IN...central/eastern KY...far southwest WV...and far western VA Concerning...Winter mixed precipitation Valid 051658Z - 052130Z SUMMARY...Moderate to heavy snow, with 1-1.5 in/hr rates, will gradually transition to sleet and freezing rain through the afternoon. DISCUSSION...Latest mosaic radar data depicts an expansive swath of moderate to heavy snow shifting/expanding north-northeastward across the OH River Valley this afternoon -- generally focused within the warm-advection wing of
Official

SPC MD 11

MD 0011 CONCERNING TORNADO WATCH 1... FOR PORTIONS OF CENTRAL AND NORTHERN LA Mesoscale Discussion 0011 NWS Storm Prediction Center Norman OK 1223 PM CST Sun Jan 05 2025 Areas affected...portions of central and northern LA Concerning...Tornado Watch 1... Valid 051823Z - 052000Z The severe weather threat for Tornado Watch 1 continues. SUMMARY...Some increase in tornado potential is expected over the next 1-3 hours across portions of central and northern Louisiana and vicinity. DISCUSSION...Surface dewpoints have increased to the 64-67 F degree range in a relatively narrow corridor ahead of the eastward-advancing cold front and QLCS. Convection within this corridor
Official

SPC MD 12

MD 0012 CONCERNING SEVERE POTENTIAL...TORNADO WATCH LIKELY FOR PORTIONS OF EASTERN LOUISIANA INTO MISSISSIPPI Mesoscale Discussion 0012 NWS Storm Prediction Center Norman OK 0109 PM CST Sun Jan 05 2025 Areas affected...portions of eastern Louisiana into Mississippi Concerning...Severe potential...Tornado Watch likely Valid 051909Z - 052045Z Probability of Watch Issuance...80 percent SUMMARY...Severe thunderstorm potential will increase through the afternoon across eastern Louisiana into Mississippi. Damaging wind gusts and a few tornadoes are possible into this evening. DISCUSSION...The warm sector is continuing to expand north and east across the Lower Mississippi Valley early this afternoon. Mid-60s F surface dewpoints are now evident
Official

SPC Tornado Watch 1

WW 1 TORNADO AR LA TX 051625Z - 060000Z URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 1 NWS Storm Prediction Center Norman OK 1025 AM CST Sun Jan 5 2025 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Southern Arkansas Western and Northern Louisiana East and Southeast Texas * Effective this Sunday morning and evening from 1025 AM until 600 PM CST. * Primary threats include... A few tornadoes likely with a couple intense tornadoes possible Scattered damaging winds likely with isolated significant gusts to 75 mph possible Isolated large hail events to
Official

SPC Jan 5, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook

SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0128 PM CST Sun Jan 05 2025 Valid 071200Z - 081200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected Tuesday or Tuesday night across the continental U.S. ...Discussion... In the wake of a strong cold front, over the western Atlantic and southern Gulf of Mexico Tuesday morning, cold/Arctic high pressure will continue expanding, to encompass much of the CONUS. In the Southwest, a mid-level short-wave trough -- on the western fringe of broad cyclonic flow covering most of the U.S. -- will
Official

SPC Jan 5, 2025 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1119 AM CST Sun Jan 05 2025 Valid 061200Z - 071200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN GEORGIA AND INTO NORTHERN AND WESTERN FLORIDA... ...SUMMARY... Thunderstorms -- a couple of which may be strong to potentially severe -- will be possible across parts of the Southeast on Monday. ...Synopsis... A weakening mid-level short-wave trough is forecast to advance quickly eastward across the central and southern Appalachians Monday, and then off the Mid-Atlantic Coast Monday night. South of this trough
Official

SPC Jan 5, 2025 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0938 AM CST Sun Jan 05 2025 Valid 051630Z - 061200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE LOWER MISSISSIPPI VALLEY... ...SUMMARY... Severe thunderstorms are expected this afternoon and evening from the Sabine River Valley into the Mid-South and central Gulf Coast states. Tornadoes and scattered severe/damaging winds should be the primary threats. A couple of strong tornadoes may also occur. ...Synopsis... Water-vapor imagery this morning shows a mid- to upper-level trough over the central U.S. A powerful mid-level shortwave
Official

SPC MD 2

MD 0002 CONCERNING FREEZING RAIN FOR SOUTH-CENTRAL KANSAS INTO FAR WESTERN MISSOURI Mesoscale Discussion 0002 NWS Storm Prediction Center Norman OK 0838 PM CST Sat Jan 04 2025 Areas affected...south-central Kansas into far western Missouri Concerning...Freezing rain Valid 050238Z - 050845Z SUMMARY...Areas of light freezing rain may intensify later this evening, spreading out of south-central Kansas into far western Missouri. Small hail may also occur from far northern Oklahoma into southern Kansas. DISCUSSION...Light freezing drizzle/rain persists this evening over south-central KS north of the warm front over northern OK. VWPs indicate increasing southwest flow just above the stable/cold boundary layer