National Weather Service United States Department of Commerce

Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

CIGS

VSBY

AAR

Type Approaches

Impact

>040

>10

130+

Visuals

 

012*-040

>10

112-118

Instrument

 

012*-040

<10

90-108

Instruments

MIT, TBFM (scheduling/metering)

<012*

>1/2

90-98

Instruments

MIT, TBFM (scheduling/metering)

002-009

½ - 3

78-96

Instruments

MIT, TBFM (metering/scheduling)

<002

<1/2

54-60

Instruments

Tower requires additional spacing on arrival runways due to Tower Departure rule (2 increasing to 3). CATII and CATIII ILS approaches; MIT, GDP, Potential GS

*D10 varies this threshold between 020-012 depending on traffic volume and other operational conditions.

 

Wind Speed/Direction

 

AAR

Type Approaches

Impact

25-30kts sustained from 280-300

Xwind

84-114

Visuals

MIT, TBFM (metering/scheduling)

>35kts sustained from 280-300

NW Flow Event

24-48

Instrument/Visuals

GDP, MIT, Potential GS

Gusts >45kts from 280-300

Xwind/NW Flow

24

Instrument/Visuals

Potential GS

 

S4 VMC: 13R (6MIT), 18R, 17C, 17L = 130/90

S4 LVMC: 13R (6MIT), 18R, 17C, 17L= 116/90

S4 IMC:   13R (6MIT), 18R, 17C, 17L= 108/90

S3 IMC:     18R, 17C, 17L = 98/90

S3 LIMC:  18R, 17C, 17L = 90/90

 

N4 VMC: 36L, 35C, 35R, 31R (6MIT) = 124/90

N4 LVMC: 36L, 35C, 35R, 31R (6MIT) = 112/90

N4 IMC:  36L, 35C, 35R, 31R (6MIT) = 108/90

N3 IMC:  36L, 35C, 35R = 94/90

N3 LIMC: 36L, 35C, 35R = 88/90

NW2VMC/IMC:  31R, 31L = 48/48 (5MIT on ea)

NW2LIMC: 31R = 24 (Single RWY)