A shelf cloud is the leading edge of a gust front on a line of storms or the leading edge of an outflow boundary on a supercell thunderstorm. This is what we weather nerds call “the mothership” but it is a supercell thunderstorm with a pronounced shelf-cloud. A supercell thunderstorm rotates counter-clockwise. The pancake-looking clouds you see are made by… Read more →
MD 0094 CONCERNING WINTER MIXED PRECIPITATION FOR NRN LA…CNTRL MS…AND FAR WRN PORTIONS OF CNTRL AL MESOSCALE DISCUSSION 0094 NWS STORM PREDICTION CENTER NORMAN OK 0742 PM CST MON FEB 23 2015 AREAS AFFECTED…NRN LA…CNTRL MS…AND FAR WRN PORTIONS OF CNTRL AL CONCERNING…WINTER MIXED PRECIPITATION VALID 240142Z – 240445Z SUMMARY…A MIX OF FREEZING RAIN AND SLEET WILL OCCUR THROUGH AT… Read more →
MD 0093 CONCERNING FREEZING RAIN FOR PARTS OF E-CNTRL AND NE TX INTO NWRN LA MESOSCALE DISCUSSION 0093 NWS STORM PREDICTION CENTER NORMAN OK 0735 AM CST MON FEB 23 2015 AREAS AFFECTED…PARTS OF E-CNTRL AND NE TX INTO NWRN LA CONCERNING…FREEZING RAIN VALID 231335Z – 231700Z SUMMARY…FREEZING RAIN RATES AROUND 0.05 INCH PER 3 HOURS ARE POSSIBLE THIS MORNING…. Read more →
MD 0092 CONCERNING WINTER MIXED PRECIPITATION FOR TX LOW ROLLING PLAINS / N-CNTRL TX MESOSCALE DISCUSSION 0092 NWS STORM PREDICTION CENTER NORMAN OK 0224 AM CST MON FEB 23 2015 AREAS AFFECTED…TX LOW ROLLING PLAINS / N-CNTRL TX CONCERNING…WINTER MIXED PRECIPITATION VALID 230824Z – 231300Z SUMMARY…FREEZING RAIN WILL GRADUALLY EXPAND IN COVERAGE/RATE LATE TONIGHT FROM PORTIONS OF THE EDWARDS PLATEAU… Read more →
MD 0091 CONCERNING WINTER MIXED PRECIPITATION FOR PORTIONS OF SERN AR…NRN MS…SWRN TN…AND NWRN AL MESOSCALE DISCUSSION 0091 NWS STORM PREDICTION CENTER NORMAN OK 0951 PM CST SUN FEB 22 2015 AREAS AFFECTED…PORTIONS OF SERN AR…NRN MS…SWRN TN…AND NWRN AL CONCERNING…WINTER MIXED PRECIPITATION VALID 230351Z – 230745Z SUMMARY…A MIXTURE OF FREEZING RAIN AND SLEET WILL CONTINUE TO PROGRESS EAST FROM… Read more →
