Alan Crone's Weather Blog: Rain And Cool Temps

Good morning.    Grab the rain gear.   Our much advertised storm system is quickly moving into the state this morning with rain and thunderstorm activity spreading northeast.   Clear sky early this morning across northeastern OK has allowed temperatures to move into the mid and upper 30s across far northeastern OK and lower to mid-40s south.   Clouds will quickly move northeast this morning.   Temperatures will move into the 50s and lower 60s by early afternoon along with southeast winds at 10 to 20 mph.   The timing of this system will bring rain and storms into the region from midday through tonight before exiting the metro early Saturday morning.   We anticipate this system to clear the metro early Saturday morning and leave eastern OK before noon.   If this timing continues to hold, Halloween and Fall Family Festival activities will be rain-free.   A warming trend is expected next week as a major pattern change will occur.   Another storm system will bring rain and thunderstorms into the state Wednesday, and possibly another system by next Friday.

WARN Interactive Radar

A strong and broad upper level low positioned across the southwestern U.S. is spreading lift across the southern and central plains this morning.   A surface area of low pressure has developed across Texas and will remain well south of the Red River.   Low level moisture will attempt to move northward this morning through the afternoon but higher dew points will remain well south of the state.   Some severe weather threats are likely to evolve across part of central to north-central Texas but should remain south of Oklahoma.   Our main threats will be confined to moderate and heavy rainfall across part of southern or central OK along with some cloud to ground lightning strikes later tonight across southern and east-central OK.   

East to Southeast winds will continue today around 10 to 20 mph with cloudy and cool conditions.   Temperatures should level-off in the mid or upper 50s with a few lower 60s this afternoon and may remain in the mid-50s this evening.   Occasional rain and storms will continue late tonight into the pre-dawn hours of Saturday.

This morning’s data continue to support a fast exit Saturday morning from the west to east.   Tulsa Run participants may see some drizzle or light showers for the very first hour of the event but should see a rapid decrease in the precipitation through the early morning hours.  There is a chance the entire race could be dry.

Temperatures will start in the lower 50s Saturday morning and move into the mid-60s by afternoon along with winds shifting from the south to the north at 15 mph.   Clouds will also begin clearing from west to east by later Saturday afternoon.  

Halloween evening will support mainly dry and cool conditions for eastern OK.   Temperatures will be in the lower 60s by 5pm with partly cloudy conditions and temperatures dropping into the mid-50s by 8pm. 

Sunday morning lows in the mid-40s will be followed by highs in the lower 70s and mostly sunny to partly cloudy sky.   South winds at 10 to 15 mph will eventually develop midday to afternoon. 

Next week the upper air pattern will be from the southwest to the northeast.  This will allow several days of south winds, increasing moisture, and warmer conditions.   GFS and EURO data both suggest a disturbance rotating around a southwestern U.S trough and bringing rain and storm activity back into the state Wednesday.   A surface cold front should approach the area by late next week with another chance for some showers and storms.   A few of the storms may be strong to severe next week. 

Thanks for reading the Friday Morning weather discussion and blog. 

Have a super great day!

Alan Crone

KOTV