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I think what B87 is describing is convection triggered by a front rather than purely convective rainfall. If I don't get much purely convective summer rain, it seems unlikely a cooler summer, higher latitude climate would either
The mechanism here during late spring-early fall is overwhelmingly convective. Very rare that a front penetrates the Peninsula during June-September (that sounded weirdly sexual). Fronts usually stall over North FL or South GA during that time, and brings SW winds here with warmer than normal conditions (temps in the mid 90s).
I think what B87 is describing is convection triggered by a front rather than purely convective rainfall. If I don't get much purely convective summer rain, it seems unlikely a cooler summer, higher latitude climate would either
That would mean a Spanish plume would be considered frontal then, even though they can produce supercell storms with heavy rain, large hail and tornadoes.
That would mean a Spanish plume would be considered frontal then, even though they can produce supercell storms with heavy rain, large hail and tornadoes.
In the US, supercell thunderstorms are almost always from frontal storms. Convection is involved but they're not from just convection - they're cold front storms. Yep, looks like a classic cold front severe thunderstorm setup:
True, forgot about tropical storms, though I don't think many places would get the majority of rain from tropical storms. Maybe remnants. Extratropical storms are usually frontal, right? Though subtropical storms not.
There's also regular "storms", doesn't have to be tropical, that get absorbed by a front so while it may look like a front bringing rain (which is) it's moisture from a storm as well that just wound down somewhere..
Also think about a storm in the southeast where moisture is being fed into us. Doesn't have to be a storm right over us or a front passing through, rains can come from moisture feeds.
Also.. think of a storm like a dog with a tail. The tail is the front. Storms drag fronts across so technically a storm is helping the situation.
Extratropical are just storms that have a cold core or outside the Tropics. Can happen on land or over water. Sandy became extratropical over PA when cold air started filtering into the core of it. So no, they aren't frontal. Would be a storm that caused the rains...or both depending on situation.
Quote:
Originally Posted by nei
Do we get many warm fronts in the summer? Pattern that's usual to the summer I think is: cold front (or stationary front); some drop in temperature and larger drop in humidity post cold front. Then gradually rise in heat and humidity if a ridge moves in.
That rise in heat or ridge could be a warm front. Sometimes a dry one.
March 25th we had a warm front lift north with decent rains here. Happens a lot. We get Warm and Cold but now you got me curious which happens more often. I might have to say cold ... It might be like which turn do you make more of, Rights or Lefts? lol
Looked like it rained last night, maybe it didn't. Roads are perspiring?
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
649 AM EST FRI NOV 27 2015
ANOTHER FUNNY THING YOU MIGHT OBSERVE IF OUT
VERY EARLY THIS MORNING...DEWPOINTS ARE MAINLY IN THE LOWER 40S
YET ROAD SURFACES ARE IN MANY PLACES COLDER THAN THAT. THIS MEANS
THAT IN SOME LOCATIONS...MOISTURE IS CONDENSING STRAIGHT OUT OF
THE AIR AND ONTO ROADS...GIVING IT THE APPEARANCE OF PERSPIRING.
IT ALMOST LOOKS AS IF IT RAINED A LITTLE OVERNIGHT WHEN OF COURSE
IT DID NOT.
MODELS ARE IMPROVING IN PLACEMENT/TIMING OF THE EJECTING LOW... BRINGING BEST CHANCE OF RAIN SHOWERS ACROSS WESTERN NY ON TUESDAY ALONG THE WARM FRONT AND THEN AGAIN ALONG THE COLD FRONT PASSAGE.
I always notice a Warm front, then a cold front even in Summers..
Just a quick find, June 18th we had a warm front.. Temps went from low 70s to near 80F then Tropical Storm Bill comes across the country and dropped even more rain and then we got to upper 80s.
So essentially Storms may drop more rains in total than fronts.
June 18, 2015 You can see the warm front lifting north, and TS Bill over Oklahoma about to come into the Northeast then another warm front lifting north on the 21st
Both are important, but I think convection matters more in the summer. Pop up thunderstorms are more common than squall lines, especially in hotter than normal summers.
COLD FRONT WILL SLOWLY APPROACH TONIGHT...WITH SLIGHT CHANCE OF SHOWERS LATE EXCEPT FOR NYC METRO AND LONG ISLAND. WITH WINDS VEERING MORE SW DO NOT THINK FOG WILL BE AN ISSUE.
This thread is on summer or warm season precipitation
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I might have to say cold ... It might be like which turn do you make more of, Rights or Lefts? lol
