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Heat Wave Observations


Baroclinic Zone

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Yes, lots of 100 and 101's popping up around the area and it may not be done... That said, I see some small resistance to temperature rise interestingly - I am wondering if a local T maxim at 850 has moved off.

Hi resolution visable imagery and WV together do suggest a beta-meso scaled region of drier air (relative to temperature) advecting through N PA/NYS and into western NY. DP at FIT crashed to 60, and ALB is now 54 - albeit roasting in desert like sun in both locations.

If/when this negative gradient advects into southern/easter zone, there may be T spike as the moisture sheds.

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Yes, lots of 100 and 101's popping up around the area and it may not be done... That said, I see some small resistance to temperature rise interestingly - I am wondering if a local T maxim at 850 has moved off.

Hi resolution visable imagery and WV together do suggest a beta-meso scaled region of drier air (relative to temperature) advecting through N PA/NYS and into western NY. DP at FIT crashed to 60, and ALB is now 54 - albeit roasting in desert like sun in both locations.

If/when this negative gradient advects into southern/easter zone, there may be T spike as the moisture sheds.

You and Scooter and Ryan (I think) mentioned this several days ago... well done

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86 here, but much lower humidity and a stiff west breeze. I guess it was a one day heatwave (93) here yesterday.

Yes, lots of 100 and 101's popping up around the area and it may not be done... That said, I see some small resistance to temperature rise interestingly - I am wondering if a local T maxim at 850 has moved off.

Hi resolution visable imagery and WV together do suggest a beta-meso scaled region of drier air (relative to temperature) advecting through N PA/NYS and into western NY. DP at FIT crashed to 60, and ALB is now 54 - albeit roasting in desert like sun in both locations.

If/when this negative gradient advects into southern/easter zone, there may be T spike as the moisture sheds.

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You and Scooter and Ryan (I think) mentioned this several days ago... well done

Often some of our highest temperatures come when the DPs get ousted by a virtual dry-line scenarios - which was nestled in the crux of a heat trough, as we did indeed discuss.

This sometimes happens; appears to be the case today. 850mb temperatures still support the 100-104 scenario, while the lower levels (in decent mixing) become less encumbered by moisture content once the DPs fall - less moisture obsorbing means quicker T response. Moisture moves off, T then responds with a jump.

Not sure if that is "exactly" what is happening, because it seem T are pretty uniform regardless of DP though. But FIT did go from 97 to 101 with a 9F DP crash - probably not a coincidence

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Statement as of 1:35 PM EDT on July 22, 2011

... Record high temperature set at Newark NJ...

A record high temperature of 106 degrees was set at Newark NJ today.

This breaks the old record of 101 set in 1957 and the all time

record of 105 set on August 9, 2001. Records began at newwark NJ in

1931.

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