Global & Disaster Medicine

Archive for the ‘Weather’ Category

La Niña Makes a Quiet Return

La Niña is the cooler sister to El Niño. La Niña draws cool water up from the depths of the eastern Pacific, energizes the easterly winds, and pushes warm surface water back toward Asia. (Note the ripples of warm water moving west across the equator.) In turn, global atmospheric circulation and jet streams shift with the changing heat and moisture supply from the vast Pacific Ocean.

During La Niña events, the weather tends to grow warmer and drier across the southern portion of North America, from California to Florida. Cooler than normal temperatures usually prevail across western Canada, Alaska, and the U.S. Pacific Northwest. Over the central and eastern Pacific Ocean, clouds and rainfall become more sporadic, while rainfall tends to increase dramatically in Indonesia and the western Pacific. Weather conditions in late 2017 seemed to fit with that pattern.


US Weather Systems

Central Great Lakes sector loop

Northeast sector loop

Doppler Radar National Mosaic Loop


Strong Santa Ana winds will keep fire weather threats elevated to critical through Sunday. Winds decrease a little next week, but remain gusty in favored locations for fire weather threats to continue through midweek. Wintry weather is spreading north with snow moving into the Mid-Atlantic and Northeast this weekend.

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National Weather Outlook

SPC Products Overview


Snow wreaks havoc in Northern Ireland

BBC

“…..Snow showers will continue in Northern Ireland on Friday night, with some of them heavy in the north and east.

Snow fell across many parts of NI earlier, resulting in travel disruption. A number of schools closed, as did Belfast Zoo.

Translink has said it has had to terminate some buses along parts of their routes on Friday evening.

There are also a number of delays and cancellations to flights at both the International and Belfast City Airport…..”

https://www.youtube.com/watch?v=TcYjXccLjD4

 


National Weather Outlook

Central Great Lakes sector loop

Northeast sector loop


Severe thunderstorms capable of large hail, damaging winds, and a few tornadoes, will be possible from parts of the mid Mississippi Valley east-northeastward into the lower Great Lakes this afternoon into tonight. Heavy rain and local flooding are also possible. Meanwhile, heavy snow will occur in the Cascades and northern and central Rockies.

National Weather Outlook

SPC Products Overview

today Filtered Reports Graphic

Filtered Tornado Reports (CSV) (Raw Tornado CSV)(?)
Time Location County State Lat Lon Comments
1840 4 NW COMO JAY IN 4042 8515 BUILDING DAMAGE. SCATTERED DEBRIS IN ALL DIRECTIONS ACROSS FIELDS. ROOF GONE FROM A BARN. (IWX)
1850 2 W COLLEGE CORNER JAY IN 4041 8501 SMALL BARN DESTROYED. (IWX)
1857 1 ESE BOUNDARY CITY JAY IN 4034 8490 RESIDENTS REPORTED A SMALL TORNADO TOUCHDOWN. LOTS OF DAMAGE REPORTED. PICTURES ARE BEING TAKEN. (IWX)
1857 CONVERSE BLACKFORD IN 4039 8524 LOCATION CORRECTION. RESIDENTS REPORTED A SMALL TORNADO TOUCHDOWN; BARN GONE … MISSING ROOF ON HOUSE. (IWX)
1918 4 WSW CASTALIA SANDUSKY OH 4139 8288 SANDUSKY COUNTY SHERIFF REPORTED A BEDROOM DESTROYED AT A RESIDENCE OFF STATE ROUTE 412 WEST OF THE SANDUSKY-ERIE COUNTY LINE. TREES ALSO DOWNED NEARBY. (CLE)
1938 1 ESE BLOOMINGVILLE ERIE OH 4135 8270 SPOTTER REPORTS DAMAGE TO HOMES AND POWERLINES NEAR MASON ROAD IN PERKINS TOWNSHIP. (CLE)
1940 E CELINA MERCER OH 4055 8457 *** 8 INJ *** EAST SIDE OF TOWN IN THE BUSINESS DISTRICT. ESTIMATED EF1 APPROXIMATELY 200 YARDS WIDE. SEVERAL BUSINESSES DAMAGED … SOME WITH ROOFS OFF. OVER 100 VEHICL (ILN)

Weather

National Weather Outlook

Central Great Lakes sector loop


NWS: Harvey has has now set a preliminary record, surpassing 50 inches for the greatest amount of measured single-storm rainfall for the continental US. Additional rainfall accumulations of 6 to 12 inches are expected to the north and east of Houston from far east Texas into southwestern Louisiana. This is producing devastating flooding. Numerous Flash Flood Warnings are in effect.

Southern Mississippi Valley sector loop


Nine dead & nearly 20 others were taken from the rig hospitalized in dire condition, many with extreme dehydration and heatstroke

CBS

  • Thirty were hospitalized in all
  • 17 of those rescued were being treated for injuries that were considered life-threatening


MCI Triage: The discovery of eight bodies and 30 people severely injured in the back of a tractor-trailer in Texas early Sunday

CNN

 

 


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