THIS WEEK’S WEATHER

#weather #paweather #wx #pawx #philadelphia #phillywx

Shower Forecast Update

Update Fri 06/02 @ 9:10 AM — Despite reasonably high CAPE and thermal instability, the lack of soil moisture feedback and marginal available precipitable water (PWAT= 1.3") will result in a low degree of shower activity Friday afternoon.

V ... https://theweatherguy.net/blog/this-weeks-weather-99/

#PhiladelphiaWeatherOutlook #OmegaBlock #RapidRefreshForecastSystem #RexBlock #RRFS

THIS WEEK’S WEATHER

#weather #paweather #wx #pawx #philadelphia #phillywx

Friday Forecast Update

Update Thu 6/01 @ 10:38 PM —Tonight’s models just coming in show widely scattered showers and thunderstorms moving down from the north Friday afternoon. Peak time about 5-6 PM but possible as early as 3 PM. Widely scattered is the operativ ... https://theweatherguy.net/blog/this-weeks-weather-99/

#PhiladelphiaWeatherOutlook #OmegaBlock #RapidRefreshForecastSystem #RexBlock #RRFS

THIS WEEK’S WEATHER

#weather #paweather #wx #pawx #philadelphia #phillywx

Friday Forecast Update

Update Thu 06/01 @ 4:30 PM — Most models are forecasting high temperatures around 92º-93º on Friday afternoon.

That said, the ECMWF, German ICON and Canadian HRDPS are showing some suburbs of Philadelphia reach 95º-96º.

The NBM wh ... https://theweatherguy.net/blog/this-weeks-weather-99/

#PhiladelphiaWeatherOutlook #OmegaBlock #RapidRefreshForecastSystem #RexBlock #RRFS

THIS WEEK’S WEATHER

#weather #paweather #wx #pawx #philadelphia #phillywx

Possibly some thunderstorms early Friday evening?

Update Wed 05/31 @ 5:35 PM — The incredible weather we've been having is really quite perfect, BUT there's been a significant deficit in rainfall in may areas, especially from Philadelphia and the suburbs immediatel ... https://theweatherguy.net/blog/this-weeks-weather-99/

#PhiladelphiaWeatherOutlook #OmegaBlock #RapidRefreshForecastSystem #RexBlock #RRFS

THIS WEEK’S WEATHER

#weather #paweather #wx #pawx #philadelphia #phillywx

Ninety Degrees Plus on Friday. Light showers possible Saturday

Update Wed 05/31 @ 9:39 AM — The upper level ridge will move eastward enough on Friday to give us some true summer temperatures. There's a range of forecast high temperatures, but here's the latest ECMWF and NBM to give a sense of wh ... https://theweatherguy.net/blog/this-weeks-weather-99/

#PhiladelphiaWeatherOutlook #OmegaBlock #RexBlock

THIS WEEK’S WEATHER

#weather #paweather #wx #pawx #philadelphia #phillywx

Blocking Pattern Retrogrades 90º on Friday.

Update Tue 05/30 @ 11:50 AM — Not only is the blocking pattern expected to persist this week, but the latest GFS has joined the ECMWF as showing a deepening of the upper low over the Newfoundland and a retrograde of the entire block westward—

E ... https://theweatherguy.net/blog/this-weeks-weather-99/

#PhiladelphiaWeatherOutlook #OmegaBlock #RexBlock

THIS WEEK’S WEATHER

#weather #paweather #wx #pawx #philadelphia #phillywx

Blocking Pattern Entrenches

It's been over three weeks since the immediate Philadelphia area has had any significant rain.

While the term "pattern" is sometimes loosely used regarding weather changes, this is beginning to look like a true persistent pattern for our area, all the result of a re ... https://theweatherguy.net/blog/this-weeks-weather-99/

#PhiladelphiaWeatherOutlook #OmegaBlock #RexBlock

NORTHLAND FORECAST FOR MEMORIAL DAY WEEKEND:

An #omegablock high-pressure system will provide the #Northland with abundant #sunshine, a light #breeze, and above-average #temperatures through #MemorialDay.

Be aware of heightened #fire dangers and #pollen counts, but otherwise enjoy the weekend!

VIDEO & DISCUSSION: https://www.fox21online.com/weather/

#wxtooter #weather #forecast #MNwx #WIwx #UPwx

NORTHLAND FORECAST FOR MAY 26:

An #OmegaBlock high-pressure system will settle to the east of the #Northland. It will provide #sunny skies and warm #temperatures through the #MemorialDay holiday weekend.

The only concerns will be a few spots of patchy #frost Thursday night, and higher #fire dangers.

VIDEO: https://www.fox21online.com/2023/05/25/thursday-evening-northland-forecast-5-25-2023/

#wxtooter #weather #forecast #MNwx #WIwx #UPwx

WaPo: "A bizarrely stagnant weather pattern called an “omega block” has been dominating the atmosphere over North America"..."Maximiliano Herrera, a climate historian known for keeping track of temperature records, described the readings as “extraordinary.”" #OmegaBlock #Wx #ExtremeWeather https://www.washingtonpost.com/weather/2023/05/04/canada-record-temperatures-climate-northwest/

WEEKEND WEATHER FORECAST

#weather #paweather #wx #pawx #philadelphia #phillywx #broadstreetrun

Sunday Forecast Update

Update Sun 04/30 @ 4:24 PM — Areas of very heavy rain continue, especially in New Jersey, where large areas have received close to 5" of rain since Friday. An additional inch or more is possible!

The latest HRRR shows some heavy downpours with thunder ... https://theweatherguy.net/blog/weekend-weather-forecast-214/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock

WEEKEND WEATHER FORECAST

#weather #paweather #wx #pawx #philadelphia #phillywx #broadstreetrun

Sunday Forecast Update

Update Sun 04/30 @ 9:52 AM — The rain has moved in as expected and periods of rain, heavy at times, will fall throughout the day and evening hours. Total accumulations for the day will be in the 0.9" to 1.5" range with some locally higher amounts.

... https://theweatherguy.net/blog/weekend-weather-forecast-214/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock

WEEKEND WEATHER FORECAST

#weather #paweather #wx #pawx #philadelphia #phillywx #broadstreetrun

Sunday Forecast Update

Update Sun 04/30 @ 9:52 AM — The rain has moved in as expected and periods of rain, heavy at times, will fall throughout the day and evening hours. Total accumulations for the day will be in the 0.9" to 1.5" range with some locally higher amounts.

... https://theweatherguy.net/blog/weekend-weather-forecast-214/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock

WEEKEND WEATHER FORECAST

#weather #paweather #wx #pawx #philadelphia #phillywx #broadstreetrun

Forecast Update and the Broad Street Run

Update Sat 04/29 @ 10:25 PM — A quick update. The precipitation forecast from this afternoon remains intact. It showed fairly heavy rain through 2 PM.

The latest models tonight show heavier and possibly stormier weather during th ... https://theweatherguy.net/blog/weekend-weather-forecast-214/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock

WEEKEND WEATHER FORECAST

#weather #paweather #wx #pawx #philadelphia #phillywx #broadstreetrun

Forecast Update and the Broad Street Run

Update Sat 04/29 @ 4:51 PM — Looking back to yesterday's model forecasts, yesterday's 18z HRRR model was most accurate with its precipitation amounts and the axis of heavy rain in NJ.

Today's 18z HRRR is now available and here's its ... https://theweatherguy.net/blog/weekend-weather-forecast-214/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock

WEEKEND WEATHER FORECAST

#weather #paweather #wx #pawx #philadelphia #phillywx #broadstreetrun

Forecast Update and the Broad Street Run

Update Sat 04/29 @ 10:12 AM — The rain has tapered off a few hours earlier than forecast, but light drizzle remains. The latest 12z NBM still shows light drizzle through much of Saturday afternoon. The latest 12z RAP and HRRR also ... https://theweatherguy.net/blog/weekend-weather-forecast-214/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock

WEEKEND WEATHER FORECAST

#weather #paweather #wx #pawx #philadelphia #phillywx

As outlined in several posts this past week, a blocked weather pattern will keep the major determinants of our weather relatively unchanged from today, Friday, through possibly next Thursday!

Blocked patterns are somewhat common in springtime and for this pattern, our area falls on the chi ... https://theweatherguy.net/blog/weekend-weather-forecast-214/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock

WEEKEND WEATHER OUTLOOK

#weather #paweather #wx #pawx #philadelphia #phillywx

Friday Update- Rain on the way

Update Fri 04/28 @ 9:28 AM — The latest radar has the rain somewhat closer to us than predicted by last night's models. Nonetheless, the RAP is showing a bit of push-back of the rain advance, based on isentropic (thermal energy) analysis.

MRMS radar at 9:22 A ... https://theweatherguy.net/blog/weekend-weather-outlook-63/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock

WEEKEND WEATHER OUTLOOK

#weather #paweather #wx #pawx #philadelphia #phillywx

Rain: Parts of Friday, Saturday, Sunday

Update Thu 04/27 @ 7:51 PM —The blocking pattern described below is setting up for this weekend and at least into Tuesday.

Rain moves in on Friday early afternoon, but some scattered sprinkles are possible during the morning.

The main slug of ra ... https://theweatherguy.net/blog/weekend-weather-outlook-63/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock

WEEKEND WEATHER OUTLOOK

#weather #paweather #wx #pawx #philadelphia #phillywx

Update Thu 04/27 @ 8:35 AM — Updated Thursday forecast here.

Developing Omega Block Pattern

The upper air flow is moving towards a blocked pattern, specifically an "Omega Block" pattern. Unlike the recent "Rex" block named for the meteorologist who identified it, the "Omega" block is named f ... https://theweatherguy.net/blog/weekend-weather-outlook-63/

#PhiladelphiaAreaWeatherForecasts #OmegaBlock