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Area forecast discussion 
National Weather Service Tulsa OK
1150 PM CDT Friday Aug 22 2014

Aviation...
concerning taf sites ktul/krvs/kbvo/kmlc/kxna/kfyv/kfsm.
For the 6z tafs... VFR conditions will prevail at all sites over
the next 24 hours. Southerly winds will increase areawide during
the day Saturday.




&&

Previous discussion... /issued 936 PM CDT Friday Aug 22 2014/

Discussion...
minor first period grid tweaks...little change.
Gw

Previous discussion... /issued 603 PM CDT Friday Aug 22 2014/

Aviation...
concerning taf sites ktul/krvs/kbvo/kmlc/kxna/kfyv/kfsm.
For the 0z tafs... VFR conditions will prevail at all sites over
the next 24 hours. South to southwest winds will increase again areawide
during the day Saturday.

Previous discussion... /issued 309 PM CDT Friday Aug 22 2014/

Discussion...
as my Colorado-worker just said...this is the Summer we've been looking
for all Summer. Heat index values across NE OK are currently at or
very near heat advisory criteria...with surface dewpoints generally in
the lower 70s. Will leave the heat advisory as is.

Upper ridge will dominate the area through the weekend and into
early next week...keeping the storm track well north and pushing
high temperatures into the upper 90s to near 100 for all areas
except northwest Arkansas. Slightly drier low-level air is expected to move into
most of the forecast area...which should keep afternoon heat indices
a little below advisory criteria. Will need to keep a close eye on
this.

Changes coming for later next week as the upper ridge
weakens...although European model (ecmwf)/GFS differ in how quickly this occurs. Have
leaned toward the slower European model (ecmwf)...with an upper system and associated
front approaching the area Wednesday night into Thursday. Have kept
probability of precipitation on the low side through this period...with temperatures returning
closer to seasonal norms.

&&

Tsa watches/warnings/advisories...
OK...none.
Arkansas...none.
&&

$$

Aviation...06

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