Bringing this to the top ready for Friday and Saturday
Slight risk in already for Friday for TX and OK panhandles and western KS
...PARTS OF CNTRL/SRN HIGH PLAINS...
ALTHOUGH JUST TO THE SOUTH OF A CYCLONIC 70-90 KT 500 MB JET STREAK
EXPECTED TO NOSE INTO THE CENTRAL HIGH PLAINS LATE FRIDAY
AFTERNOON...ISOLATED TO SCATTERED STORM DEVELOPMENT DOES APPEAR
POSSIBLE ACROSS THE TEXAS PANHANDLE HANDLE...NEAR THE REMNANT
SURFACE FRONT AND A DEVELOPING LEE SURFACE TROUGH/DRY LINE. THIS
MAY INCLUDE DISCRETE SUPERCELLS...AS MODESTLY STEEP MID-LEVEL LAPSE
RATES AND BOUNDARY LAYER WARMING CONTRIBUTE TO CAPE ON THE ORDER OF
1000 J/KG...IN THE PRESENCE OF STRONG SHEAR.
SOME OF THIS ACTIVITY MAY PERSIST WELL INTO THE EVENING HOURS...
WITH NEW DEVELOPMENT ALSO POSSIBLE...SPREADING NORTHEASTWARD ACROSS
AT LEAST PARTS OF WESTERN KANSAS INTO SOUTH CENTRAL NEBRASKA...IN
RESPONSE TO LOW-LEVEL THERMAL/MOISTURE ADVECTION AND STRENGTHENING
LARGE-SCALE FORCING FOR UPWARD VERTICAL MOTION. LARGE HAIL MAY BE
THE MOST PROMINENT SEVERE THREAT...BUT THE RISK FOR TORNADOES MAY
ACCOMPANY LATE AFTERNOON/EARLY EVENING ACTIVITY.
And for Saturday atm...
..DISCUSSION...
UNCERTAINTIES PERSIST DUE TO LINGERING SPREAD AMONG MODELS AND MODEL
ENSEMBLES CONCERNING THE NORTHEASTWARD ACCELERATION OF A SIGNIFICANT
CLOSED LOW OUT OF THE SOUTHWESTERN STATES LATE THIS WEEK THROUGH THE
WEEKEND. HOWEVER...IT STILL APPEARS MOST PROBABLE THAT
INSTABILITY...DEEP LAYER FLOW FIELDS/SHEAR AND FORCING FOR UPWARD
VERTICAL MOTION WILL BECOME MOST SUPPORTIVE OF SEVERE WEATHER
POTENTIAL IN THE WARM SECTOR OF A SUB-1000 MB SURFACE CYCLONE ON
SATURDAY...AS IT MIGRATES ACROSS THE MID MISSOURI VALLEY...TOWARD
THE GREAT LAKES REGION. EVEN WITH ONLY WEAK DESTABILIZATION...THE
ENVIRONMENT NEAR A 70-90 KT SOUTHWESTERLY 500 MB JET STREAK AND
50-70 KT SOUTHERLY 850 MB JET COULD BECOME SUFFICIENT FOR A
SUBSTANTIVE REGIONAL SEVERE CONVECTIVE EVENT WITH DAMAGING WIND AND
PERHAPS TORNADOES.
IT MAY NOT BE COMPLETELY OUT OF THE QUESTION THAT THIS COULD
CONTINUE ACROSS PARTS OF THE OHIO VALLEY AND GREAT LAKES REGION
SATURDAY NIGHT INTO SUNDAY...BEFORE THE UPPER IMPULSE DEAMPLIFIES.
HOWEVER...INCREASING MODEL VARIABILITY CONCERNING THE EVOLUTION OF
THIS SYSTEM...COUPLED WITH PROBABILITY OF DECREASING AVAILABLE
INSTABILITY...RESULTS IN TOO MUCH UNCERTAINTY TO EXTEND THE AREAL
DELINEATION. THEREAFTER...INTO THE MIDDLE OF NEXT WEEK...THE SPREAD
IN MODEL DATA CONCERNING LARGE-SCALE PATTERN DEVELOPMENTS BECOMES
MUCH TOO LARGE TO CONFIDENTLY ASSESS THE POTENTIAL FOR A REGIONAL
SEVERE WEATHER EVENT.
Big thanks to Paul for sorting this out and to everyone that turned up, once again a great event! LOVED the caravan club party at the end of the night too, shame we turned up about 5 minutes too late for last orders
Until next time.....
I'll be bringing all this years storm footage with me, although unedited as I just haven't had the time to go through them yet. Anyone is welcome to grabs video and pics from me
Lovely stuff Tom I'll be bringing all my videos to the BBQ to share although they're all unedited as I just haven't had the time to go through them yet. Bring your USB disks!
Booked!
We'll bring food and beer with us as usual. I guess we'll aim to get there in the afternoon some time, Can't beat an ice cold beer on a summers afternoon