Remarks Section

CHAPTER ONE

METEOROLOGY FLIGHT PLANNING

6. Insofar as possible, remarks are entered in the order they are presented in the following

examples:

TORNADO B13 6 NE

Tornado began 13 minutes past the hour, 6 statute miles

northeast of the station

AO2A

Automated station with precipitation measuring equipment,

augmented by observer

PK WND 28045/15

Peak wind of 45 knots from 280 degrees occurred at 15

minutes past the hour

WSHFT 30 FROPA

Wind shift 30 minutes after the hour with frontal passage

TWR VIS 1 1/2

Tower visibility one and one-half statute miles

VIS 1/2V2

Visibility varying between 1/2 and 2 statute miles

VIS 2 1/2 RY11

Visibility at second sensor located on runway 11 is two and

one-half statute miles

DVR/R11L/1000V5000FT

Dispatch visual range varying between 1000 and 5000 feet

on runway 11 left (automated stations only)

DVR/P6000FT

Dispatch visual range not associated with a specific runway

is greater than 6000 feet (automated stations only)

OCNL LTG

Occasional lightning

FRQ LTGCGIC

Frequent lightning cloud to ground in vicinity

LTG DSNT W

Lightning distant west (beyond 10 miles but less than 30

miles)

RAB05E30SNB20E55

Rain began 5 minutes past the hour and ended 30 minutes

past the hour, snow began 20 minutes past the hour and

ended 55 minutes past the hour

TSB0159E30

Thunderstorm began at 0159 and ended at 0230

CIG 005V010

Ceiling varying between 500 feet and 1000 feet

CIG 002 RY11

Ceiling at second location on runway 11 is at least broken

at 200 feet

PRESRR

Pressure rising rapidly

PRESFR

Pressure falling rapidly

SLP982

Sea Level Pressure is 998.2 millibars

SLPNO

Sea Level Pressure not available

VIS NE 2 1/2

Visibility northeast two and one-half statute miles

TS SE MOV NE

Thunderstorm southeast moving northeast

GR 1 1/4

Hailstones one and one-quarter inch

1-14 AVIATION ROUTINE WEATHER REPORTS AND TERMINAL AERODROME

FORECASTS