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US nuclear power stations (orange skulls) and Winter Storm Riley (late Friday or early Saturday), below. The US NRC used the storm as an excuse to not update NRC events or operating status on Friday, so nothing will be known until Monday, it seems. While many DC offices were closed, the NRC updated some other things. US and other water cooled reactors require back-up generators for cooling of reactors and waste during power outages.

Storm lashing U.S. Northeast kills at least five people
Posted:Fri, 02 Mar 2018 21:03:52 -0500
BOSTON (Reuters) – A powerful storm lashing the northeastern United States on Friday killed at least five people as winds topping 80 miles per hour (129 km per hour) helped flood streets in Boston, ground flights and halt train service across the region. http://feeds.reuters.com/~r/reuters/environment/~3/26txYhEJKFE/storm-lashing-u-s-northeast-kills-at-least-five-people-idUSKCN1GE0IV

Good thing that Ireland opted out of the British Empire so that they don’t have to worry about nuclear reactors and waste during storms. Despite being of a different design, in Scotland: “In December 1998 a INES 2 incident occurred after severe winds and sea spray disabled all four power lines to the site. After multiple grid failures in a short period of time, emergency diesel generators failed to start. Normally, in the absence of power for the reactor cooling pumps, the reactor would be passively cooled. However, the emergency control system which would have initiated passive cooling failed to act, as it had not been reset.https://en.wikipedia.org/wiki/Hunterston_B_nuclear_power_station

Snowstorms shut down Ireland, Britain calls in army for hospitals
Posted:Fri, 02 Mar 2018 17:34:14 -0500
DUBLIN/EDINBURGH (Reuters) – Snowstorms shut most of Ireland on Friday and forced Britain to call in the army to help battle some of the worst weather seen for nearly 30 years.http://feeds.reuters.com/~r/reuters/environment/~3/apc-QpxBCyo/snowstorms-shut-down-ireland-britain-calls-in-army-for-hospitals-idUSKCN1GE0ZB
https://www.metoffice.gov.uk/news/releases/2018/storm-emma-red-warning


Power lines down, coastal flooding, etc: https://forecast.weather.gov/product.php?site=NWS&issuedby=BOX&product=LSR

US NRC didn’t update reactor status on Friday, but they did update their document system:


MAZ007-015-016-019-031030-
/O.CON.KBOX.CF.W.0003.000000T0000Z-180304T0800Z/
Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-
Eastern Plymouth MA-
919 PM EST Fri Mar 2 2018

…COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 3 AM EST
SUNDAY…

* LOCATION…The eastern Massachusetts coastline from Salisbury
to Plymouth. This includes the city of Boston. Damaging
impacts are likely for those communities exposed to the open
ocean.

* TIDAL DEPARTURE…Storm surge 3.5 to 4 feet for tonight’s high
tide, and 3 to 3.5 feet for the Saturday midday high tide.

* TIMING…Expect major impacts for tonight’s high tide along the
ocean exposed coast and still another round of moderate to major
impacts for the Saturday early afternoon high tide. Moderate
impacts are likely for the Saturday night high tide. Lingering
minor impacts are likely for the Sunday afternoon high tide.

* COASTAL FLOOD IMPACTS…Major coastal flooding is expected in
much of the warning area tonight with damage to vulnerable
shoreline structures likely. Moderate to major coastal flooding
is expected for the Saturday midday high tide. Some vulnerable
homes along the immediate shoreline may be severely damaged from
the combination of high water and severe wave action tonight.
There will be widespread inundation of coastal roads and
basements with life-threatening inundation depths above 3 feet
in some locations for both tonight’s and Saturday’s high tides,
especially where wave overwash is involved. Many neighborhoods
will remain cut off for an extended time. This continues to be
a very dangerous storm.

* SHORELINE IMPACTS…Very severe to extreme erosion will occur
and may compromise protective dunes, seawalls, and other
structures.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Coastal Flood Warning is issued when moderate or major coastal
flooding is expected. Moderate coastal flooding produces
widespread flooding of vulnerable shore roads and/or basements
due to the height of the storm tide and/or wave action. Numerous
road closures are needed. Lives may be at risk for people who put
themselves in harms way. Structural damage is possible.

Major coastal flooding is considered severe enough to cause at
least scattered structural damage along with widespread flooding
of vulnerable shore roads and/or basements. Some vulnerable homes
will be severely damaged or destroyed. Numerous roads are
impassable, some with washouts severe enough to be life-
threatening if one attempted to cross on foot or by vehicle. Some
neighborhoods will be isolated. Evacuation of some neighborhoods
may be necessary. Do not attempt to drive through any flooded
roads.
&& ”
https://www.weather.gov/box/coastal