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strange drop to 80°F at central Park after reaching 92°F. Most other stations are in the low 90s or high 80s.
sunny in central park, so not clouds; JFK is in the high 80s. If it were an ocean breeze, JFK would have cooled, too. An automated station on the Upper East Side of Manhattan had a fast drop (96°F to 87°F in just over an hour)
Central Park's was larger (92°F to 80°F). Seems like some drop was real at least
something must have happened, an official station in Lower Manhattan dropped to 81°F and then warmed up again
Had some thundery showers in Sheffield but a massive storm further north caused havoc.
In Leyburn, North Yorkshire a back building multicell hail/thunderstorm caused flash flooding. Up to 200mm (8") may have fallen in 3-4 hours. One of my sisters lives there and has been flooded out of her new house.
At a nearby weather station, the maximum rainfall rate peaked at 450mm/hr.
Had some thundery showers in Sheffield but a massive storm further north caused havoc.
In Leyburn, North Yorkshire a back building multicell hail/thunderstorm caused flash flooding. Up to 200mm (8") may have fallen in 3-4 hours. One of my sisters lives there and has been flooded out of her new house.
At a nearby weather station, the maximum rainfall rate peaked at 450mm/hr.
Had quite the storm here this morning. The airport recorded 7.70" of rain today! Over 5" in a 2 hr period and 3" in an hr! 7th most rainfall in a single day on record. Some houses & businesses flooded unfortunately.
Nice to get some (est)actual totals from the UK for a change. Some serious rainfall.
It was unusually intense for the UK, they also had tons of hail floating in the floodwater. Sister's workplace was also flooded. Roads ripped apart and bridges torn down. Shame wasn't a wx station in her town, radar indication of up to 240mm in a few hours
Haven't been up to speed on weather lately. Typical Summer blues here.
Quote:
Originally Posted by ral31
Had quite the storm here this morning. The airport recorded 7.70" of rain today! Over 5" in a 2 hr period and 3" in an hr! 7th most rainfall in a single day on record. Some houses & businesses flooded unfortunately.
HOLY SMOKES!! I can feel the weight of that thing from here. Wow. Did you use a pen and paper to remember the tube fills? Some guys weigh it, I heard you get a similar total result. I never tried that,.
Last day of July but anything I get today will be reported tomorrow so won't count towards July.. 9.08" July total.
Front are always stalling in this area. Could get some pulse storms later today. High Precipital Water content in atmosphere so maybe another couple inches will fall again.
Quote:
National Weather Service New York NY
413 AM EDT Wed Jul 31 2019
.SYNOPSIS...
A cold front will slowly approach and cross the area tonight. The cold front then stalls offshore Thursday into Friday as
high pressure builds to the west. A weak cold front moves across
late Saturday into Sunday. High pressure returns on Monday.
Upper level energy slowly pivots east and approaches late this
morning and into this afternoon. A tricky cloud and temperature
forecast for the first half of the day before the clouds arrive.
After collaboration with neighboring offices have decided to hold
off on any heat advisories, as clouds should get in soon enough to
preclude heat indices getting much above 90. Only New London county
may approach 95 degree heat indices, but confidence in meeting the
criteria with respect to coverage is quite low.
With respect to thunderstorms, SPC by and large has placed the
western half of the CWA in a slight risk for severe weather. With
sufficient CAPE (1500-200 j/kg) and perhaps bulk shear values
approaching 30 knots later in the day and pulse storms or cells may become more organized getting closer to 19 to 21z. Storms should begin to fire up with sufficient instability and column moisture
towards 17 to 18z further west, then more likely develop further
east towards the metropolitan area getting closer to 21z or so. The
main threat for severe weather would be strong, gusty, or even
damaging winds with any stronger storms. The best HREF 4km
updraft helicity across the metropolitan area appears to be
timed for 22 to 2z.
Also keeping an eye on the flash flood potential as WPC has placed
much of the area in a marginal risk. After collaboration with
surrounding offices have decided to hold off any Flash Flood Watches
for the time being. PWs do approach 2 inches late today, along with a deep warm cloud layer and more than sufficient instability.
However coverage is in question, and the potential for training
appears to be less now with the latest guidance as any cells should
get moving by the early evening, therefore overall duration of heavy
rainfall is in question. Localized flash flooding cannot be ruled
though in the more urban areas due to high rainfall rates, something
that will have to be monitored with convective initiation later
today.
Then again NWS/Chicago does show temps in the upper 80s possibly near 90 degrees by the weekend
but week two looks cooler though maybe near normal but GFS says it will be below normal. A model blend says near normal and then slightly above thereafter.
Last edited by chicagogeorge; 07-31-2019 at 05:11 AM..
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Over 5" in a 2 hr period and 3" in an hr! 7th most rainfall in a single day on record. Some houses & businesses flooded unfortunately.
