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15 hours ago, lee59 said:

Just add Newark and Central Park, divide by two and this can be the average summer high temperature. :)

Newark is usually the hot spot, but not usually too far off from where I live in central Union County NJ, maybe 1-2 degrees warmer, but the Central Park temps are not representative of anything.

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11 hours ago, SACRUS said:

 

2006 was probably the largest contrast between Central Park, EWR and Laguardia for 90 degree days of the season.

NYC: 8
EWR: 27
LGA:  22

Yes. Many stations on Long Island had more 90° days back in 2006.

 

Data for January 1, 2006 through December 31, 2006
Click column heading to sort ascending, click again to sort descending.
NJ PLAINFIELD COOP 30
NJ HARRISON COOP 30
NJ TETERBORO AIRPORT COOP 30
NJ TETERBORO AIRPORT WBAN 29
NJ NEWARK LIBERTY INTL AP WBAN 27
NJ CRANFORD COOP 24
NJ MIDLAND PARK COOP 24
NJ CANOE BROOK COOP 22
NY LAGUARDIA AIRPORT WBAN 22
NY BRONX COOP 21
CT DANBURY COOP 20
NY DOBBS FERRY-ARDSLEY COOP 18
NY WEST POINT COOP 18
NJ CALDWELL ESSEX COUNTY AP WBAN 16
NY MINEOLA COOP 16
NY NEW YORK AVE V BROOKLYN COOP 15
NY PORT JERVIS COOP 13
NY WANTAGH CEDAR CREEK COOP 13
NY JFK INTERNATIONAL AIRPORT WBAN 12
CT NORWICH PUBLIC UTILITY PLANT COOP 12
NJ ESSEX FELLS SERVICE BLDG COOP 11
NY SHIRLEY BROOKHAVEN AIRPORT WBAN 11
CT MERIDEN MARKHAM MUNICIPAL AP WBAN 11
NY MONTGOMERY ORANGE COUNTY AP WBAN 10
NY ISLIP-LI MACARTHUR AP WBAN 10
NY MIDDLETOWN 2 NW COOP 9
NY FARMINGDALE REPUBLIC AP WBAN 9
NY RIVERHEAD RESEARCH FARM COOP 9
NY NY CITY CENTRAL PARK WBAN 8
NY WALDEN 1 ESE COOP 8
NY OCEANSIDE COOP 8
CT IGOR I SIKORSKY MEMORIAL AIRPORT WBAN 8
NY YORKTOWN HEIGHTS 1W COOP 8
NY WESTCHESTER CO AP WBAN 8
NY WESTHAMPTON GABRESKI AP WBAN 8
NY SETAUKET STRONG COOP 8
NJ CHARLOTTEBURG RESERVOIR COOP 7
NJ ELIZABETH COOP 6
NY CENTERPORT COOP 6
NY BRIDGEHAMPTON COOP 6
NY MONTAUK AIRPORT WBAN 6
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73/ 67 and a but hazy.   More low - mid 90s (more west) as we have a southerly / SSE component to the wind and SE at times.  Flow comes more around SSW Fri and the weekend with mid / upper 90s possible. 850 mb temps surge Sun ahead of the front, which with enough sun could yield the hotter/hottest day.   Can alreday see clouds on the periphery of the ridge into Ohio. Storms Fri pm and throughout Sat - clouds could get in the way of continuing the heatwave Sat, but enough sun would extend it for those west of the hudson.  A brief cooldown Mon (6/24) - Tue (6/5) with a return to overall warmer by Wed.   Overall above normal with some heat mixed in - Euro going hotter so grain of salt says continued with the theme of +3 - +6 for now up and through the end of the next week and the month.

 

  GOES16-EUS-02-1000x1000.gif

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Records:

 

Highs:

EWR: 102 (1994)
NYC: 98 (1994)
LGA: 97 (1994)
JFK: 98 (1994)


Lows:

EWR: 53 (1954)
NYC: 52 (1920)
LGA: 56 (2022)
JFK: 54 (1965)

 

Historical:

 

1794: A violent tornado commenced west of the Hudson River in New York. The tornado traveled through Poughkeepsie then crossed the border into Connecticut where it went through the towns of New Milford, Waterbury, North Haven, and Branford. It then continued into Long Island Sound. The tornado did extensive damage, and the funnel was reported by one observer to look like the "aurora borealis."

1835 - A tornado tore through the center of New Brunswick NJ killing five persons and scattering debris as far as Manhattan Island. The tornado provided the first opportunity for scientists to study firsthand the track of such a storm. (David Ludlum)

1938 - A cloudburst near Custer Creek, MT, (near Miles City) caused a train wreck killing forty-eight persons. An estimated four to seven inches of rain deluged the head of the creek that evening, and water flowing through the creek weakened the bridge. As a result, a locomotive and seven passenger cars plunged into the swollen creek. One car, a tourist sleeper, was completely submerged. (David Ludlum)

1972 - Hurricane Agnes moved onshore near Cape San Blas FL with wind gusts to 80 mph, and exited Maine on the 26th. There were 117 deaths, mainly due to flooding from North Carolina to New York State, and total damage was estimated at more than three billion dollars. Up to 19 inches of rain deluged western Schuylkill County PA. The rains of Hurricane Agnes resulted in one of the greatest natural disasters in U.S. history. Agnes caused more damage than all other tropical cyclones in the previous six years combined (which included Celia and Camille). (David Ludlum) (The Weather Channel)

1987 - It was a warm June day, with plenty of thunderstorms east of the Rockies. Lightning knocked out power at Throckmorton, TX, and ignited an oil tank battery. A woman in Knox City TX was struck by lightning while in her car, and a man was struck by lightning near his home in Manatee County FL. Strong thunderstorm winds overturned several outhouses near Bixby OK, but no injuries were reported. (The National Weather Summary) (Storm Data)

1988 - Temperatures soared above 100 degrees in the central U.S. for Father's Day. Fifteen cities reported record high temperatures for the date. Severe thunderstorms in Minnesota and Wisconsin produced softball size hail near River Falls WI, and wind gusts to 80 mph at Menomonie WI. (The National Weather Summary) (Storm Data)

1989 - Fourteen cities reported record high temperatures for the date as searing heat spread from the southwestern deserts into the High Plains Region. Record highs included 98 degrees at Billings, MT, 107 degrees at Valentine, NE, and 112 degrees at Tucson, AZ. (The National Weather Summary)

1990 - What would eventually be known as the "Inland Hurricane" stuck south central Kansas. This storm system produced a swath of 65 to 120 mph winds across six counties and caused $80 million dollars in damage. The peak recorded wind gust was 116 mph, which reaches low-end category 3 on the Saffir-Simpson hurricane wind intensity scale. On the enhanced Fujita Scale the 116mph winds would be rated an EF2. The storm knocked out power to all the Wichita TV stations, and they were off the air for hours. All but one of the Wichita Radio Stations, including the Wichita NOAA Weather Radio Station KEC-59, was knocked off the air. (National Weather Service Wichita)

2006 - Up to 11 inches of rain fell in the Houston, Texas area, causing widespread flash flooding. The Houston Fire Department rescued more than 500 people from flood waters, but no serious injuries or fatalities were reported.

 

 

 

 

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The strongest heat missed to our north yesterday with Manchester, NH reaching a record high of 97°. Manchester made it to 97° 3 times since 1999 from June 1st to June 18th. The other times Newark reached to 97° to 99° instead of just 92° yesterday. So this ridge orientation allowing onshore flow to make it to Newark with such record heat in New Hampshire is unusual. It’s becoming  more common since we started seeing such strong high pressure to the east of New England with these summer heatwaves back around 2018.
 

6-18-24

Manchester…97°…..Newark….92°

6-12-17

Manchester…97°…..Newark…97°

6-10-08

Manchester….100°….Newark….99°

6-7-99

Manchester….97°……Newark….99°

 

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8 minutes ago, forkyfork said:

that seems to be more of an early summer phenomenon before the ssts come up

 

Seemed to be a May / Jun tendency the last few seasons.  Was it May of 21 or 22 where the heat went over the top and recently in Jun. 

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15 hours ago, bluewave said:

There were several news reports in the local media back around 2003 when non NWS forecasters were noticing how much Central Park started to deviate from past performance. They interviewed the MIC at the NWS at Upton and he basically told them he knew that the readings at the park wouldn’t be as reliable but settled for it since the other option offered to them was to close down the Central Park station. So they chose to live with inaccurate temperatures and other measurements rather than retire the station after the NWS moved out to Upton in 1993. So the media lost interest in the temperature issue since then which has only grown worse with further tree and vegetation growth close into the sensor. But to Lonnie’s credit he went there and measured the snowfall himself during the storm last winter and got the higher total since the conservancy measured too late and the snow settled. Maybe one of these days an enterprising journalist will explore the temperature issues when the trees are fully leafed out. The NWS probably doesn’t want to touch this issue after all this time since it could call into question the reliability of the weather readings from the biggest city in the nation. 

Yeah I agree. I think it comes down to the NWS not wanting to create a headache for themselves. The status quo is fine for them. From their perspective it's not worth dealing with just to appease a community of weather enthusiasts. We have the typical airport stations if needed for high quality scientific purposes. 

I believe the media could do a better job emphasizing other reporting stations too. NYC does not begin and end with Central Park.

I saw on TV someone saying how NYC averages 15 90+ days a year. It sounded so off to me. I can't remember the last time I was limited to 15 or less days. Weather apps tend to point me to LGA as the closest official station so that's the stats I see first. Then the Central Park stats quoted on TV sound disconnected from real life urban conditions.

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9 minutes ago, dWave said:

Yeah I agree. I think it comes down to the NWS not wanting to create a headache for themselves. The status quo is fine for them. From their perspective it's not worth dealing with just to appease a community of weather enthusiasts. We have the typical airport stations if needed for high quality scientific purposes. 

I believe the media could do a better job emphasizing other reporting stations too. NYC does not begin and end with Central Park.

I saw on TV someone saying how NYC averages 15 90+ days a year. It sounded so off to me. I can't remember the last time I was limited to 15 or less days. Weather apps tend to point me to LGA as the closest official station so that's the stats I see first. Then the Central Park stats quoted on TV sound disconnected from real life urban conditions.

Add NYC and Newark temps together then divide by 2 to get the real temp for each station

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16 hours ago, bluewave said:

There were several news reports in the local media back around 2003 when non NWS forecasters were noticing how much Central Park started to deviate from past performance. They interviewed the MIC at the NWS at Upton and he basically told them he knew that the readings at the park wouldn’t be as reliable but settled for it since the other option offered to them was to close down the Central Park station. So they chose to live with inaccurate temperatures and other measurements rather than retire the station after the NWS moved out to Upton in 1993. So the media lost interest in the temperature issue since then which has only grown worse with further tree and vegetation growth close into the sensor. But to Lonnie’s credit he went there and measured the snowfall himself during the storm last winter and got the higher total since the conservancy measured too late and the snow settled. Maybe one of these days an enterprising journalist will explore the temperature issues when the trees are fully leafed out. The NWS probably doesn’t want to touch this issue after all this time since it could call into question the reliability of the weather readings from the biggest city in the nation. 

 

I think the change began quite a bit before that too.  I began noticing in 1996 or 97 that their readings began falling, in 93-95 there did not seem to be a huge disparity.  Another issue that some have theorized plagues the readings at NYC, especially on hot days where there is less wind is a layer of smog that can develop in urbanized areas and slightly reduce the solar radiation.  This was pointed out by someone back in 98 or 99 that they'd often soar in temp til 12-1pm then level off and not go up as much as the other stations.

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35 minutes ago, dWave said:

Yeah I agree. I think it comes down to the NWS not wanting to create a headache for themselves. The status quo is fine for them. From their perspective it's not worth dealing with just to appease a community of weather enthusiasts. We have the typical airport stations if needed for high quality scientific purposes. 

I believe the media could do a better job emphasizing other reporting stations too. NYC does not begin and end with Central Park.

I saw on TV someone saying how NYC averages 15 90+ days a year. It sounded so off to me. I can't remember the last time I was limited to 15 or less days. Weather apps tend to point me to LGA as the closest official station so that's the stats I see first. Then the Central Park stats quoted on TV sound disconnected from real life urban conditions.

I am not sure if any of the current forecasters are even aware of the issue. The errors with the weather data from the park began to really become obvious back in the early 2000s. That’s when most of the media attention was focused on it. The NWS left 30 Rock back in 1993 and the new Central Park ASOS went online around 1995. So the nearly all the forecasters familiar with the more reliable NYC readings before the 1990s change have already retired. I met a few of the forecast crew that were active in the 1970s and 1980s.They really made sure the readings from the park were reliable since they would frequently go over there to take snowfall measurements and monitor the temperature readings. The MIC back into those days commented that they didn’t like to substitute LGA temperatures when the park equipment was vandalized at time since it was cooler than NYC in the summer. When I was growing up before the tree growth Central Park was often near or at the top for high temperatures during the big heatwaves like in July 1977. 
 


 

Monthly Data for July 1977 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
NY NEW YORK LAUREL HILL COOP 104
NY NY CITY CENTRAL PARK WBAN 104
NY DOBBS FERRY-ARDSLEY COOP 103
NJ NEWARK LIBERTY INTL AP WBAN 102
NJ TETERBORO AIRPORT WBAN 102
CT NORWALK GAS PLANT COOP 102
NJ ESSEX FELLS SERVICE BLDG COOP 101
NY WEST POINT COOP 101
NY VANDERBILT MUSEUM COOP 101
NJ PLAINFIELD COOP 100
NJ CRANFORD COOP 100
NY NEW YORK AVE V BROOKLYN COOP 100
NY NY WESTERLEIGH STAT IS COOP 100
NJ LITTLE FALLS COOP 100
NY MARYKNOLL COOP 100
CT STAMFORD 5 N COOP 100
NY SCARSDALE COOP 100
CT NEW HAVEN COOP 100
CT MIDDLETOWN 4 W COOP 100
NJ CANOE BROOK COOP 99
NY LAGUARDIA AIRPORT WBAN 99
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39 minutes ago, dWave said:

Yeah I agree. I think it comes down to the NWS not wanting to create a headache for themselves. The status quo is fine for them. From their perspective it's not worth dealing with just to appease a community of weather enthusiasts. We have the typical airport stations if needed for high quality scientific purposes. 

I believe the media could do a better job emphasizing other reporting stations too. NYC does not begin and end with Central Park.

I saw on TV someone saying how NYC averages 15 90+ days a year. It sounded so off to me. I can't remember the last time I was limited to 15 or less days. Weather apps tend to point me to LGA as the closest official station so that's the stats I see first. Then the Central Park stats quoted on TV sound disconnected from real life urban conditions.

Yeah the problem is every station could have a heatwave this week but if central park does not they won't consider it one. Generally I have to add 3 to 5 degrees to their 7 day forecast highs

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