March 23, 20224 yr Mesoscale Discussion 0325 NWS Storm Prediction Center Norman OK 0115 PM CDT Wed Mar 23 2022 Areas affected...Far eastern Kentucky...southeastern Ohio...western West Virginia Concerning...Severe potential...Tornado Watch likely Valid 231815Z - 231945Z Probability of Watch Issuance...95 percent SUMMARY...A tornado watch is expected to be issued within the hour for southeastern Ohio into western West Virginia. Tornadoes, large hail, and damaging winds are possible this afternoon. DISCUSSION...Temperatures have risen into the low/mid 70s F across parts of southeastern Ohio into western West Virginia. As heating and modest moistening continues, MLCAPE value of 750-1000 J/kg will be possible. The environment is strongly sheared with objective mesoanalysis showing 70-85 kts. Furthermore, 850 mb winds are expected to remain strong. Regional VAD winds are showing around 50 kts of flow at 850 mb. With discrete storms in the process of maturing in eastern Kentucky and southern Ohio, the potential for tornadoes, large hail, and damaging winds will be on the increase this afternoon as storms progress into this environment. A tornado watch is likely to be issued within the hour.
March 23, 20224 yr I had to lookup mesoscale. Definition of mesoscale - of or relating to a meteorological phenomenon approximately 6.21 to 621 miles in horizontal extent mesoscale cloud pattern.
March 23, 20224 yr Author They are usually issued 1-6 hours before an event. It is issued by the Storm Prediction Center in Norman, OK. It lets forecasters know the conditions in a certain area concerning severe thunderstorms, damaging winds, hail and tornadoes.
March 23, 20224 yr 2 minutes ago, nWo said: They are usually issued 1-6 hours before an event. It is issued by the Storm Prediction Center in Norman, OK. It lets forecasters know the conditions in a certain area concerning severe thunderstorms, damaging winds, hail and tornadoes. Thanks nWo, I am learning from you all the time.
March 23, 20224 yr Author 2 minutes ago, theguru said: Thanks nWo, I am learning from you all the time. You're welcome. One thing I forgot to mention is that it also gives a percentage chance of the watch being issued.
March 23, 20224 yr 1 hour ago, theguru said: I had to lookup mesoscale. Definition of mesoscale - of or relating to a meteorological phenomenon approximately 6.21 to 621 miles in horizontal extent mesoscale cloud pattern. Cleared it right up…
March 23, 20224 yr 34 minutes ago, gchs_uk9 said: Cleared it right up… I know right, nothing like having a form of a word in the definition.
March 23, 20224 yr Author To make a long story short when conditions are coming together for possible severe weather, winter hazardous winter events a mesoscale discussion is issued 1 to 6 hours ahead of a weather event. They are also issued for other weather events that could affect people in the area under the discussion.
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