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Jamaica Beach Weather Observatory

5166 Jamaica Beach
Jamaica Beach, TX 77554-9676
Phone: (409) 737-3122
Fax: (409) 737-3765


world wide web: www.jbwo.org
e-mail: weatheralert@jbwo.org

An official cooperative weather observation station
of the United States National Weather Service

NWS Station ID: JBHT2   Index No. 41-4531-8
Lat. 29º12'N   Lon. 094º59'W   Elev. 4 ft MSL



HURRICANE IKE
Thu., Sep 11, 2008 at 7:00 PM CDT

Lat. 26.2ºN — Lon. 89.9ºW
373 miles SE of Jamaica Beach, TX
Movement: WNW at 12 mph
Max Winds: 100 mph, gusts 120 mph
Min Pres: 954 mb or 28.17 in.
Intensity: Category Two

JBWO EVACUATING AT 11 PM CDT TONIGHT
WEB SITE STILL AVAILABLE


Further details are contained below on this web page

usaflag      Welcome to the Jamaica Beach Weather Observatory!      txflag

The Jamaica Beach Weather Observatory was established on December 1, 1990 and is an official cooperative weather observation station of the United States National Weather Service. We are located along the upper Texas coast on the western part of Galveston Island in the city of Jamaica Beach, Texas.  The weather observatory is directly adjacent to West Bay (part of the Galveston Bay complex) and 1¼ mile from the Gulf of Mexico on the opposite side of the island.

Our primary mission is to provide the local coastal community with detailed weather, climatological and tide data from a profesionally equipped meteorological observation station and to support the National Weather Service in their efforts to issue timely and accurate weather forecasts, watches and warnings for Galveston Island and the adjacent coastal waters.  The daily statistical data generated by this weather station also contributes invaluable scientific information needed for long-term climatological and oceanic research studies including the impact from tropical cyclones, mitigation of coastal erosion and the progress of rising sea levels due to global climate change. We hope you enjoy your visit to our website!





CLICK HERE FOR HURRICANE IKE


Click here for the NEW Daily JBWO E-Mail Blog

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each morning via e-mail by sending a request to:

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Max-Min Temperature System Shelter F420C Anemometer & Direction Vane Wind Instruments Tower
Tipping Bucket & Standard Rain Gauges Precision Microbarograph Precision Aneroid Barometer

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Wind Speed Indicator Tide Gauge Staff Max-Min Digital Thermometer
Wind Gust Recorder Hurricane Warning Flags Wind Direction Indicator

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Jamaica Beach Weather Observatory
Real-time Tower Web Cam Images of West Bay
(images are uploaded every minute - refresh the page for latest image)

A new image will load momentarily - please stand by...

Note: The time stamp on the image is in Central Standard Time (CST).
Daylight savings time is currently in effect, so you must add 1 hour to
what is shown for the actual local time in Central Daylight Time (CDT).

Jamaica Beach Weather Observatory
Real-time Current Weather Conditions
(image automatically updates every minute with new data)

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Note: The time of observation and the sunrise, sunset, moonrise and moonset times
are always kept in Central Standard Time (CST). Daylight savings time is currently in
effect, so you must add 1 hour for the actual local time in Central Daylight Time (CDT).

Units of Measurement Conversion Calculator

Special Notes and Weather Station Operating Status

1.  All times are indicated in Central Standard Time (CST) throughout the entire year for standardized weather reporting purposes. To convert CST to Coordinated Universal Time (UTC), add 6 hours (i.e. 1200 CST is 1800 UTC). Whenever Daylight Savings Time is in effect (March-October), you must add 1 hour to the times displayed for the actual local time in Central Daylight Time (CDT).

2.  Whenever the sky condition/present weather icon is missing from the upper righthand corner of the observation window, the weather observer is temporarily not on duty at the weather station.  However, the meteorological instruments will still record and display weather data continuously 24 hours a day.

3.  The official precipitation total for the station is the stick measurement manually read from the National Weather Service Standard Rain Gauge (SRG). Therefore, amounts recorded by the electronic Tipping Bucket Rain Gauge (TBRG) shown above are occasionally edited to correspond to those recorded in the SRG. During the fall and winter months, water droplets from heavy fog may deposit enough moisture in the TBRG to cause it to falsely register 0.01 of an inch of rainfall. This does not officially count as precipitation and is later edited out of the daily, monthly and annual totals for the station.

4.  The weather observation automatically updates every minute with new data.  If the observation does not update and status below shows "NORMAL", it means that communication to the Internet has been temporarily disrupted or there has been an unexpected power or phone line outage at the weather station.

Present Weather Station Operating Status:  NORMAL

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Jamaica Beach Weather Observatory
Meteorological Statistical Analysis Graphs
(reload images once per hour for latest data - all times are CST)

Units of Measurement Conversion Calculator

Temperature 24-Hr Graph Dew Point 24-Hr Graph Relative Humidity 24-Hr Graph
Wind Direction 24-Hr Graph Average Wind Speed 24-Hr Graph Peak Wind Gust 24-Hr Graph
Barometric Pressure 24-Hr Graph Daily Precipitation 24-Hr Graph Heat Index 24-Hr Graph
Ultraviolet Index 24-Hr Graph Solar Radiation 24-Hr Graph Evapotranspiration 24-Hr Graph




Hurricane Ike

NOAA GOES-E Satellite Photo
 
National Hurricane Center Advisory Bulletins
(3)=issued every 3 hours • (6)=issued every 6 hours • (§)= issued as required

Hurricane Ike Public Advisory (3)

Hurricane Ike Tropical Cyclone Discussion (6)

Hurricane Ike Forecast/Advisory (6)

Hurricane Ike Wind Speed Probabilities (6)

Hurricane Ike Watch/Warning Breakpoints Advisory (3)

Hurricane Ike ICAO Aviation Advisory (6)

Hurricane Ike Special Tropical Cyclone Updates (§)

Hurricane Ike Land-based Radar Position Estimates (U.S. only)(§)

National Hurricane Center Computer Forecast Models
(updated every 6 hours)

Computer Hurricane Forecast Models "Spaghetti" Map

Table of Hurricane Model Output - BAMS BAMD BAMM LBAR SHIP DSHP

Table of Hurricane Model Output - GFDL

National Hurricane Center Forecast & Probability Maps
(updated every 6 hours)

NHC Warnings & 120-Hour Official Forecast Track Map

NHC Wind Speed Probability Map - Winds 34 knots (39 mph) or higher

NHC Wind Speed Probability Map - Winds 50 knots (58 mph) or higher

NHC Wind Speed Probability Map - Winds 64 knots (74 mph) or higher

NHC 72-Hour Wind Speed Probability Table

Mariners 1-2-3 Rule Danger Area Map

NHC Wind Speed History Map - Winds 34 knots (39 mph) or higher


NOAA Satellite Photos & Movie Loops
(latest images in real-time)

NOAA GOES-E Visible Satellite Photo (daytime hours only)

NOAA GOES-E Visible Satellite Movie Loop (daytime hours only)

NOAA GOES-E Enhanced Infrared Satellite Photo

NOAA GOES-E Enhanced Infrared Satellite Movie Loop

NOAA GOES-E Water Vapor Satellite Photo

NOAA GOES-E Water Vapor Satellite Movie Loop



National Weather Service Local Statements
issued every 3 hours

NWS Brownsville, TX

NWS Corpus Christi, TX

NWS Houston/Galveston, TX

NWS Lake Charles, LA

NWS New Orleans (Slidell), LA


National Weather Service WSR-88D Doppler Radar
Composite Reflectivity Loops

WSR-88D Doppler Radar at Brownsville, TX

WSR-88D Doppler Radar at Corpus Christi, TX

WSR-88D Doppler Radar at League City, TX

WSR-88D Doppler Radar at Lake Charles, LA

WSR-88D Doppler Radar at Slidell, LA

WSR-88D Doppler Radar at Fort Polk, LA

WSR-88D Doppler Radar at Shreveport, LA

WSR-88D Doppler Radar at Fort Worth, TX

WSR-88D Doppler Radar at Granger, TX

WSR-88D Doppler Radar at New Braunfels, TX


Jamaica Beach Weather Observatory
Special Reports and Press Releases

The Christmas 2004 Snowstorm on the Texas Gulf Coast

JBWO Press Release - Issued June 11, 2007

JBWO Press Release - Issued June 25, 2007

Hurricane Audrey: 50 Years Ago Today - Issued June 27, 2007

Tropical Storm Erin Post-Storm Report - Issued August 18, 2007

Hurricane Humberto Post-Storm Report - Issued September 14, 2007

JBWO Press Release and Commentary - Issued December 1, 2007

Jamaica Beach Weather Observatory
Daily Weather Reports

National Weather Service Pinpoint Forecast for Jamaica Beach

Jamaica Beach - Daily E-mail Weather Alert & Forecast Blog

Jamaica Beach - September Daily Temperature & Precipitation Records

Jamaica Beach - September Top-10 Monthly Extremes

Jamaica Beach - Annual Top-10 Extremes

Jamaica Beach Record Temperature/Rainfall Reports

Other Regional Daily Weather Reports

Galveston-Scholes International Airport Daily Climatological Data

Houston-Bush Intercontinental Airport Daily Climatological Data

Houston/Galveston Area Daily Rainfall Reports

Southeast Texas Daily Cooperative Observations

Texas Max/Min Temperatures & Precipitation

Tropical Weather Outlook - North Atlantic/Caribbean Sea/Gulf of Mexico

Tropical Weather Discussion - North Atlantic/Caribbean Sea/Gulf of Mexico


Jamaica Beach Weather Observatory
Tropical Cyclone Post-Storm Reports

Tropical Storm Charley (1998)

Tropical Storm Frances (1998)

Tropical Storm Gustav (2002)

Hurricane Lili (2002)

Hurricane Claudette (2003)

Hurricane Grace (2003)

Hurricane Ivan (2004)

Hurricane Erin (2007)

Hurricane Humberto (2007)


Click here for the Tropical Cyclone Statistics page

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Jamaica Beach Weather Observatory
Climatological Data Summaries, Averages & Records
 
Daily Blog


National Weather Service Warnings, Forecasts & Observations
for Southeast Texas and the Upper Texas Coast

 

 
 


National Weather Service Houston/Galveston (League City), TX
WSR-88D Doppler Radar - Composite Reflectivity




League City, TX

(Composite Reflectivity Loop)

League City, TX

(Base Reflectivity)

League City, TX

(Extended Radar Range)

League City, TX

(Doppler Wind Velocity)

League City, TX

(Storm Relative Motion)

League City, TX

(Storm Total Precip)

Reference Guide to NWS WSR-88D Doppler Radar Images


Alternate NWS WSR-88D Doppler Radar Sites
(click on each image to display a larger graphic)



Lake Charles, LA

(Composite Reflectivity)

Corpus Christi, TX

(Composite Reflectivity)

Granger, TX

(Composite Reflectivity)

New Braunfels, TX

(Composite Reflectivity)

Fort Worth, TX

(Composite Reflectivity)

Fort Polk, LA

(Composite Reflectivity)


NOAA GOES-E Enhanced Infrared Satellite Photo
Gulf of Mexico



United States Surface Weather Analysis


Regional Surface Weather Analysis Charts
(click on each image to display a larger graphic)



Surface Analysis

(North America)

Surface Analysis

(South Central U.S.)


Short-Range Weather Forecast Charts
(click on each image to display a larger graphic)



12-Hour Forecast

18-Hour Forecast

24-Hour Forecast

30-Hour Forecast

36-Hour Forecast

48-Hour Forecast


Quantitative & Excessive Precipitation Forecast Charts
(click on each image to display a larger graphic)



24-Hr Quantitative Precip Forecast

(Day 1)

24-Hr Quantitative Precip Forecast

(Day 2)

24-Hr Quantitative Precip Forecast

(Day 3)

Excessive Rainfall Forecast

(Day 1)

Excessive Rainfall Forecast

(Day 2)

Excessive Rainfall Forecast

(Day 3)


Medium to Long Range Weather Forecast Charts
(click on each image to display a larger graphic)



3-Day to 7-Day Forecast

Max Temperature Anomaly

Min Temperature Anomaly

Max Temperature Forecast

(Day 3)

Max Temperature Forecast

(Day 4)

Max Temperature Forecast

(Day 5)

Min Temperature Forecast

(Day 3)

Min Temperature Forecast

(Day 4)

Min Temperature Forecast

(Day 5)


Upper-Air Temperature & Wind Analysis Charts
(click on each image to display a larger graphic)



850 MB Analysis

(~5,000 ft)

700 MB Analysis

(~10,000 ft)

500 MB Analysis

(~18,000 ft)

300 MB Analysis

(~30,000 ft)

250 MB Analysis

(~34,000 ft)

200 MB Analysis

(~38,500 ft)

Questions or comments? Send e-mail to weatheralert@jbwo.org