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Dumbfounded. Stunned. Astonished. @AngieNBC6 @SteveMacNBC6 and I are on conference readying today’s @nbc6 weathercasts and we’re overwhelmed by the sheer number of crazy heat records falling like flies here. This is July weather in April. First, here are current heat indexes.
90°+ days in 2020 up to this date = new record of 8 (previously 6)

75°+ nights in 2020 up to the date = new record of 17 (previously 16)

Earliest hottest weather of the year record has been set 3 times

Earliest 4 straight nights at 78°+ = new record by over 2 weeks (2017)

2/
19 heat records in 8 days collectively for #Miami, Fort Lauderdale and #KeyWest

Ratio of record heat to record cold in #Miami so far this year is 21-0

I stopped counting but up to February Fort Lauderdale had 120 record hot temperatures without a single cold record since 2015.
And the hottest start to a year on record for Miami and many Florida & Georgia cities.

The heat is absolutely ridiculous.

4/4 #climate #thread
Check that. It just hit 93° in Miami. Another heat record. That’s 20 records in 8 days. And it makes the ratio of record heat to record cold in Miami this year 22 to NADA

🥵😢
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John Morales
@JohnMoralesNBC6
I don’t know if it’s being forced to watch the frequency at which deeper and more widespread saltwater inundation is impacting some neighborhoods in South Florida, or if it’s the inner demons released when teenagers like #Greta admonish adults, but this fall ...

1/
I’ve had an inordinate number of, um, skeptics (I’m trying to be kind) bending themselves into pretzels trying to contradict what we in #miami and Fort Lauderdale are plainly seeing with our own eyes:

the cities are under siege from the surging seas.

2/
They throw around all their expertly-gathered (#sarcasm) alternative facts, like “what do you expect when you build on a swamp?” Let me enlighten you:

3/
Read 12 tweets
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John Morales
@JohnMoralesNBC6
Ever since I interviewed Kerry Emanuel at the onset of the 2018 #hurricane season, I've been showing some of the results of his team's downscaling approach that, combined with model simulations, can yield projected return periods for outlier cyclone events.

1/
At my public outreach and educational presentations, I've shown how a hurricane like Irma at 180 MPH approaching Barbuda, a 1-in-800 year event, could have its return period reduced to 1-in-80 years by the end of this century. Similarly ...

2/
A hurricane like María at 155 MPH approaching Puerto Rico, a 1-in-200 year event, could have a return period of 1-in-20 years by late this century.

I'm sure some of my followers that have seen my presentations in person recall me showing these slides.

3/
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John Morales
@JohnMoralesNBC6
Very bad timing for a nouveau #LaborDayHurricane

Risk of flooding with a storm surge at high tide is greatest when full/new moon happens around perigee (when the Moon is at its closest to Earth). Some of the highest astronomical tides of the year are this weekend.
As an example here’s Miami’s Virginia Key water level predictions (using it only because it’s readily available to me via @BMcNoldy and not because I’m forecasting it to come to #Miami). Basically it’s “shoulder King Tide season”. Labor Day is 2 Sept

(perigee graphic @rtphokie)
@BMcNoldy @rtphokie I would also add that because of #ClimateChange the rate of #sealevelrise has accelerated. In Virginia Key, sea level is 5 inches higher today than 25 years ago. #Florida’s Atlantic coastal cities can now see deeper storm surges penetrating further inland. Pic via @ClimateCentral
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