|
Catagory |
Central pressure/millibars |
Central pressure/inches Mercury |
MPH Winds |
Damage |
|
1 |
980 |
28.94 |
74 - 94 |
Minimal |
|
2 |
965 - 979 |
28.5 - 28.91 |
96 - 110 |
Moderate |
|
3 |
945 - 964 |
27.91 - 28.47 |
111 - 130 |
Extensive |
|
4 |
920 - 944 |
27.17 - 27.88 |
131 - 155 |
Extreme |
|
5 |
<920 |
<27.17 |
155 |
Catastrophic |
Gale force winds are listed as 45 Knots (approx 55 MPH)
|
Forcast Period |
Chart Letter |
% Probability |
Error in Nautical Miles |
Error in Statute Miles |
|
72 Hours |
E |
10% |
302 |
347.3 |
|
60 |
11% |
|||
|
48 |
D |
13% - 18% |
199 |
228.85 |
|
42 |
16% |
|||
|
36 |
C |
20% - 25% |
150 |
172.5 |
|
30 |
27% |
|||
|
24 |
B |
35% - 50% |
101 |
116.5 |
|
18 |
45% |
|||
|
12 |
A |
60% - 80% |
52 |
59.8 |
|
0 |
17 |
19.55 |
ERROR RATE IS THE AREA TO EITHER SIDE OF THE STRIKE LOCATION ( O HOURS LANDFALL COULD BE 20 MILES EITHER SIDE OF THE LOCATION SITED.
CITIES ON THE STRIKE FORCE LOCATION CHART TO BE CONCERNED WITH:
GULFPORT MISS.......BURAS LA. ......NEW ORLEANS LA. ......NEW ILBERIA LA.
PORT ARTHUR TEXAS.......GALVESTON TEXAS. +
Please send comments questions to : Glen Mears:bpoep@beau.org
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