Fascinerend om te zien hoe snel alles elkaar opvolgt als het een echte 'tornado dag' betreft. 's Ochtends nog rustig en onbewolkt en 's middags explodeert het letterlijk. Het seizoen lijkt in ieder geval begonnen te zijn.
MESOSCALE DISCUSSION 0282
NWS STORM PREDICTION CENTER NORMAN OK
0345 AM CDT FRI APR 04 2014
AREAS AFFECTED...PORTIONS OF SRN TN...NRN/CNTRL/WRN MS...NERN LA
CONCERNING...TORNADO WATCH 58...
VALID 040845Z - 040945Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 58 CONTINUES.
SUMMARY...THE SVR RISK CONTINUES ACROSS REMAINING VALID PORTIONS OF
TORNADO WATCH 58.
DISCUSSION...A MATURE...FORWARD-PROPAGATING MCS EXTENDS FROM SWRN TN
TO W-CNTRL MS AND INTO NRN LA. THE STRONGEST EWD SURGE OF THE
LEADING CONVECTIVE LINE FEATURING 50 KT OF STORM MOTION AND BOWING
CHARACTERISTICS WILL CONTINUE TO CROSS NRN MS NWD TO A BOOKEND
VORTEX CROSSING SRN TN. THIS ACTIVITY WILL POSE THE GREATEST
POTENTIAL FOR DMGG WIND GUSTS AND LINE-EMBEDDED MESO-VORTICES AND
TORNADOES. CONVECTION S OF THE PRIMARY BOWING SEGMENT WILL ALSO POSE
A RISK FOR DMGG WIND GUSTS AND POSSIBLY TORNADOES...AS DGX VWP DATA
SAMPLE A 50 KT LLJ AT 1 KM AGL STRONGLY TO ENHANCE LOW-LEVEL SHEAR
AMIDST A MOIST BOUNDARY LAYER. THE SVR RISK WILL BE NIL BEHIND THE
LEADING CONVECTIVE LINE.
Links:
http://www.spc.ncep.noaa.gov/
http://kfor.com/on-air/live-streaming/
Quote selectie