Slow May?
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Slow May?
I've only been severe thunderstorm tracking North America wide now since last year, but how come nothing is occuring in the way of severe-severe weather. There is hardly any tornado reports when in 2003 and below, the first week of may had like 200? Also, here in southern Ontario, severe storms usually start late March. We've only had 3 events since March began, and nothing since April 14. What is going on?
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- wx247
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What following the weather in the states teaches you is that there is no normal per se. We can tally up averages and get close to what is "normal" but each and every year is different. The pattern we are in right now is not condusive to widespread outbreaks especially across the plains. Watch for the pattern to change and then I do believe that we will see much more active weather. 

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The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
- Extremeweatherguy
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DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0359 AM CDT TUE MAY 16 2006
VALID 191200Z - 241200Z
AMPLIFIED SPLIT FLOW PATTERN NOW IN PLACE ACROSS NORTH AMERICA SEEMS
LIKELY TO PRECLUDE A SIGNIFICANT RETURN FLOW OF MOISTURE INTO THE
CENTRAL/EASTERN U.S...AND MAINTAIN LIMITED CONVECTIVE POTENTIAL
ACROSS MUCH OF THE NATION INTO/THROUGH THE COMING WEEKEND. MEDIUM
RANGE FORECAST GUIDANCE DOES INDICATE THAT A TRANSITION TOWARD A
MORE ZONAL REGIME WILL OCCUR EARLY NEXT WEEK. AS THIS
OCCURS...EASTWARD ACCELERATION OF A YET TO DEVELOP EASTERN PACIFIC
CLOSED LOW MAY SUPPORT INCREASING POTENTIAL FOR A REGIONALIZED
SEVERE WEATHER OUTBREAK...AS IT PROGRESSES INLAND AND EAST OF THE
ROCKIES. HOWEVER...LARGE VARIABILITY EXISTS AMONG MODEL DATA ON
JUST HOW THIS OCCURS...AND UNCERTAINTIES ARE TOO LARGE TO
CONFIDENTLY DELINEATE A SEVERE WEATHER AREA.
..KERR.. 05/16/2006
NWS STORM PREDICTION CENTER NORMAN OK
0359 AM CDT TUE MAY 16 2006
VALID 191200Z - 241200Z
AMPLIFIED SPLIT FLOW PATTERN NOW IN PLACE ACROSS NORTH AMERICA SEEMS
LIKELY TO PRECLUDE A SIGNIFICANT RETURN FLOW OF MOISTURE INTO THE
CENTRAL/EASTERN U.S...AND MAINTAIN LIMITED CONVECTIVE POTENTIAL
ACROSS MUCH OF THE NATION INTO/THROUGH THE COMING WEEKEND. MEDIUM
RANGE FORECAST GUIDANCE DOES INDICATE THAT A TRANSITION TOWARD A
MORE ZONAL REGIME WILL OCCUR EARLY NEXT WEEK. AS THIS
OCCURS...EASTWARD ACCELERATION OF A YET TO DEVELOP EASTERN PACIFIC
CLOSED LOW MAY SUPPORT INCREASING POTENTIAL FOR A REGIONALIZED
SEVERE WEATHER OUTBREAK...AS IT PROGRESSES INLAND AND EAST OF THE
ROCKIES. HOWEVER...LARGE VARIABILITY EXISTS AMONG MODEL DATA ON
JUST HOW THIS OCCURS...AND UNCERTAINTIES ARE TOO LARGE TO
CONFIDENTLY DELINEATE A SEVERE WEATHER AREA.
..KERR.. 05/16/2006
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cold air is still trapped down farther south than what it is usual for May (just like last year). temps in the Midwest have been cool for this time of year, and most of the severe weather right now is down in central Texas and over in to the southeast US (which is more like a January and Feb. scenario).
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