SKYWARN

SKYWARN Weekly Net Preamble, SKYWARN Roster, SKYWARN Event Preamble are all located on  Forms and downloads

 

 

 

On the 146.610 PL 123-
SKYWARN/ARES nets every Wednesday 7:30 P.M.
In the case we are having a severe weather event and the repeater goes down 
147.210+123 BACKUP
Simplex Backup 147.810 
 
We also have the 442.775+ 
 
 

skywarn logo radio active

Weather Criteria

Hail Size Reference Chart

Hail Diameter (Inches)

Reference Object

0.25

Pea

0.5

Mothball

0.75

Penny

0.88

Nickel

1

Quarter

1.25

Half Dollar

1.5

Ping Pong Ball

1.75

Golfball

2

Hen Egg

2.5

Tennis Ball

2.75

Baseball

3

Teacup

4

Grapefruit

4.5

Softball

Red indicates severe criteria
Beaufort Wind Speed Estimate Scale

Beaufort

Description

Wind Speed

Observations

MPH

Knots

On Land

On Water Surfaces

0

Calm

0

0-1

 Calm. Smoke rises vertically. Waters are mirror smooth.

1

Light Air

1-3

1-3

 Smokes drift indicates wind direction. Still wind vanes. Waters have a ripple.

2

Light Breeze

4-7

4-6

 Wind is felt on face, leaves rustle, wind vanes begin to move. Small wavelets, crests glassy, no breaking.

3

Gentle Breeze

8-12

7-10

 Leaves and small twigs constantly move, light flags are extended. Large wavelets, crests begin to break, scattered whitecaps.

4

Moderate Breeze

13-18

11-16

 Dust, leaves and loose paper lifted, small tree branches move. Small waves (1-4 ft) becoming longer with numerous whitecaps.

5

Fresh Breeze

19-24

17-21

 Small trees in leaf begin to sway. Moderate waves (4-8 ft) taking longer form, many whitecaps, some spray.

6

Strong Breeze

25-31

22-27

 Larger trees begin moving, whistling in wires. Larger waves (8-13 ft), whitecaps common, more spray.

7

Near Gale

32-38

28-33

 Whole trees moving, resistance felft walking against wind. Mounting sea (seas heaps) (waves 13-20 ft), foam streaks off of breakers.

8

Gale

39-46

34-40

 Whole trees in motion, resistance felt walking in wind. Moderately high waves (13-20 ft) of greater length, edges of crests begin to break into spindrift, foam blown in streaks.

9

Strong Gale

47-54

41-47

 Branches break from trees, slate blows off roofs, slight structural damage. High waves (20 ft), sea begins to roll, dense streaks of foam, visibility affected by spray.

10

Storm

55-63

48-55

 Trees broken or uprooted, considerable structural damage. Very high waves (20-30 ft) with overhanging crests, sea white with dense blown foam, heavy sea roll, visibility impaired.

11

Violent Storm

64-73

56-63

 Widespread damage. Exceptionally high waves (30-45 ft), foam patches cover the sea, poor visibility.

12

Hurricane

74+

64+

 Major damage. Storm waves (> 45 ft), air filled with foam and spray, sea completely white, visibility bad.

 

cloudchart[3]