Tropical Storm Bertha: Wind Speed Probabilities (Atlantic)

Basin: Atlantic — Wallet 2

Thu, 23 Jul 2026 20:36:46 GMT

Tropical Storm Bertha wind speed probabilities number 18
NWS National Hurricane Center Miami, FL al022026
2100 utc Thursday July 23 2026

At 2100z the center of Tropical Storm Bertha was located near
Latitude 29.8 north…longitude 94.7 west with maximum sustained
Winds near 35 kts
…40 MPH…
65 km/h.

UTC indicates coordinated universal time (greenwich)
Atlantic standard time (ast)…subtract 4 hours from UTC time
Eastern daylight time (Eastern Daylight Time)…subtract 4 hours from UTC time
Central daylight time (Central Daylight Time)…subtract 5 hours from UTC time

Wind speed probability table for specific locations

Chances of sustained (1-minute average) wind speeds of at least
…34 knots (39 mph… 63 km/h)…
…50 knots (58 mph… 93 km/h)…
…64 knots (74 mph…119 km/h)…
For locations and time periods during the next 5 days

Probabilities for locations are given as op(cp) where
Op is the probability of the event beginning during
An individual time period (onset probability)
(cp) is the probability of the event occurring between
18z Thursday and the forecast hour (cumulative probability)

Probabilities are given in percent
X indicates probabilities less than 1 percent
Probabilities for 34 knots and 50 knots are shown at a given location when
The 5-day cumulative probability is at least 3 percent.
Probabilities for 34…50…64 knots shown when the 5-day
64-knots cumulative probability is at least 1 percent.

– – – – wind speed probabilities for selected locations – – – –

From from from from from from from
Time 18z Thursday 06z Friday 18z Friday 06z Saturday 18z Saturday 18z Sunday 18z Monday
Periods to to to to to to to
06z Friday 18z Friday 06z Saturday 18z Saturday 18z Sunday 18z Monday 18z Tuesday

Forecast hour (12) (24) (36) (48) (72) (96) (120)
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Location knots

Cameron la 34 76 x(76) x(76) x(76) x(76) x(76) x(76)

Port arthur tx 34 3 x( 3) x( 3) x( 3) x( 3) x( 3) x( 3)

Galveston tx 34 89 x(89) x(89) x(89) x(89) x(89) x(89)

Houston tx 34 26 x(26) x(26) x(26) x(26) x(26) x(26)

Freeport tx 34 77 x(77) x(77) x(77) x(77) x(77) x(77)

Gfmx 280n 950w 34 3 x( 3) x( 3) x( 3) x( 3) x( 3) x( 3)

High island tx 34 70 x(70) x(70) x(70) x(70) x(70) x(70)

Matagorda tx 34 25 x(25) x(25) x(25) x(25) x(25) x(25)

Port o connor 34 8 x( 8) x( 8) x( 8) x( 8) x( 8) x( 8)

Forecaster cangialosi

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