Mesoscale Discussion issued issued at 6:13 PM on May 18, 1995

Inclement Weather in the Northwest; Elevated Fire Weather Conditions in the High Plains

In the Pacific Northwest into northern California, areas of heavy rain for the coastal ranges and heavy snowfall over the higher elevations of the Cascades are expected into Friday. Dry and windy conditions may produce elevated fire weather conditions in the central and southern High Plains and the Upper Midwest. Windy conditions and scattered rain and snow showers will continue in the Northeast. Read More >

ZCZC MKCSWOMCD ALL;343,0864 403,0825 363,0825 303,0864; ACUS3 KMKC 182313 MKC MCD 182313 SELS MESOSCALE DISCUSSION FOR ...ERN KY/ERN TN/NERN AND CNTRL AL/NRN GA... CONCERNING...SEVERE THUNDERSTORM POTENTIAL... SVR WX/TORNADO OUTBREAK HAS BEEN IN PROGRESS ACRS PTNS OF THE LWR OH AND TN VLYS INTO THE LWR MS VLY DURG THE PAST 3 TO 4 HRS. ACTVTY IS OCRG IN A RGN OF VERY UNSTBL AIR AND STG SPD SHEAR. LTST MDL DATA FROM THE RAPID UPDATE CYCLE SUGGESTS THAT THE ACTVTY WILL BE MOVG EWD DURG THE NXT 3 TO 6 HRS EXTDG ALG THE WRN SIDE OF THE APPALACHIAN CHAIN WITH HELICITY VALUES BTWN 300 AND 400 M2/S2. WE ARE CURRENTLY MONITORING AREAS FM CNTRL AND ERN AL INTO NRN GA FOR PSBL WW. ..MCCARTHY.. 05/18/95