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Hurricane Season - 2011


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Please bring us some rain. Our road side alert signs are advising that water rationing may be coming soon due to the extreme drought.


Hypno Frog, I offer a sacrifice of your weight in delectable bugs; do your duty and bring us some relief!

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Okay, they finally name a storm after me and it's going to be a little whimpering tropical storm? Tropical Storm Don has 35 mph winds and is travelling at 12 mph.

SATELLITE IMAGERY INDICATES A TROPICAL DEPRESSION OR TROPICAL STORM
COULD BE FORMING ABOUT 90 MILES NORTH OF CANCUN MEXICO. AN AIR
FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS CURRENTLY ENROUTE TO
INVESTIGATE THE AREA...AND IF IT CONFIRMS THE PRESENCE OF A
CIRCULATION...ADVISORIES WILL BE INITIATED THIS AFTERNOON.
INTERESTS IN THE CENTRAL AND WESTERN GULF OF MEXICO SHOULD MONITOR
THIS SYSTEM AS IT MOVES WEST-NORTHWESTWARD NEAR 15 MPH. THIS
SYSTEM HAS A HIGH CHANCE...NEAR 100 PERCENT..OF BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS.

[image of 5-day forecast and coastal areas under a warning or a watch]

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8 am update on Don, 40 mph storm at the moment:

ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 AM EDT THU JUL 28 2011

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM DON LOCATED ABOUT 545 MILES EAST-SOUTHEAST OF CORPUS
CHRISTI TEXAS.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

PUBLIC ADVISORIES ON DON ARE ISSUED UNDER WMO HEADER WTNT34 KNHC AND
UNDER AWIPS HEADER MIATCPAT4. FORECAST/ADVISORIES ARE ISSUED UNDER
WMO HEADER WTNT24 KNHC AND UNDER AWIPS HEADER MIATCMAT4.

$$
FORECASTER BEVEN
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Advisory extract:

DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 700 AM CDT...1200 UTC...THE CENTER OF TROPICAL STORM DON WAS
LOCATED NEAR LATITUDE 24.0 NORTH...LONGITUDE 89.8 WEST. DON IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/H. THIS
GENERAL MOTION WITH AN INCREASE IN FORWARD SPEED IS EXPECTED
THROUGH FRIDAY. ON THIS TRACK...THE CENTER OF DON SHOULD MOVE
THROUGH THE SOUTHERN AND CENTRAL GULF OF MEXICO TODAY...AND
APPROACH THE TEXAS COAST ON FRIDAY.

MAXIMUM SUSTAINED WINDS REMAIN NEAR 40 MPH...65 KM/H...WITH HIGHER
GUSTS. SOME STRENGTHENING IS POSSIBLE DURING THE NEXT 48 HOURS. AN
AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS EN ROUTE TO
INVESTIGATE DON.

DON IS A SMALL TROPICAL CYCLONE. TROPICAL-STORM-FORCE WINDS EXTEND
OUTWARD UP TO 45 MILES...75 KM FROM THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.

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Estimated winds and locations for next 48 hours.

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 40NE 40SE 0SW 0NW.
12 FT SEAS.. 50NE 20SE 0SW 0NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 23.0N 88.7W AT 28/0900Z
AT 28/0600Z CENTER WAS LOCATED NEAR 22.8N 88.3W

FORECAST VALID 28/1800Z 23.9N 90.3W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 40NE 40SE 0SW 0NW.

FORECAST VALID 29/0600Z 25.1N 92.5W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 45SE 30SW 45NW.

FORECAST VALID 29/1800Z 26.3N 94.7W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 25NE 0SE 0SW 0NW.
34 KT... 75NE 60SE 45SW 60NW.

FORECAST VALID 30/0600Z 27.3N 97.1W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 20SE 0SW 20NW.
34 KT... 75NE 60SE 45SW 60NW.

FORECAST VALID 31/0600Z 29.0N 101.0W...POST-TROP/REMNT LOW
MAX WIND 20 KT...GUSTS 30 KT.

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An interesting analysis by the NHC forecaster.

THE INTENSITY FORECAST IS TRICKY. WHILE THE LARGE-SCALE ENVIRONMENT DOES NOT APPEAR TO HAVE MUCH SHEAR...THE LOW- AND MID-LEVEL CENTERS ARE NOT WELL-ALIGNED INITIALLY...WHICH WAS APPARENT ON A 2316Z SSMIS MICROWAVE IMAGE. THE GFS/ECMWF MODELS HAVE A REASONABLE REPRESENTATION OF THIS INITIAL STRUCTURE AND KEEP THE CENTERS FROM VERTICALLY STACKING...POSSIBLY WHY THESE MODELS DO NOT SHOW MUCH INTENSIFICATION. WHILE THE STATISTICALLY MODELS STILL FORECAST STEADY STRENGTHENING...THE HWRF/GFDL MODELS FORECAST A SLOW DECLINE. ANOTHER FACTOR TO CONSIDER IS THAT THE SIZE OF DON MAKES IT SUSCEPTIBLE TO RAPID CHANGES IN STRENGTH...BOTH UP AND DOWN...THAT ARE NEARLY IMPOSSIBLE TO FORECAST. GIVEN THE REDUCED ORGANIZATION...THE NHC INTENSITY FORECAST IS LOWERED SOMEWHAT FROM THE PREVIOUS FORECAST...BUT IS STILL ON THE UPPER END OF THE GUIDANCE ENVELOPE NEAR A COMPOSITE OF THE SHIPS/LGEM MODELS.

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Fascinating. Could be a footnote, or could be the storm of the century.

It's a sneaky one. Looks like a 30% or so chance of some rain for us, though given the capricious nature of this beast it could be a LOT more or none at all...

Should know something a bit more firm by this time tomorrow...she isn't that far away.

Dave

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It looks like Texas is finally going to get some rain hopefully, these things most of the time bring more clouds than actual rain.

We were in a drought also then it started to rain everyday about a 10 days ago and has been raining every day since. The grass went from crispy to green and now really needs to be cut [:|], the pond was about 6"-8" lower than normal but now back to normal. I have alot of grass to cut when it dries, ours and my sisters, about 2 days of cutting with a 6' wide finishing mower.

Looks like another bunch of clouds east of the Belize area ?

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The 2 pm update on Don:

BULLETIN
TROPICAL STORM DON INTERMEDIATE ADVISORY NUMBER 4A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL042011
100 PM CDT THU JUL 28 2011

...CENTER OF DON NOW OVER THE CENTRAL GULF OF MEXICO...


SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...24.6N 90.7W
ABOUT 475 MI...765 KM ESE OF CORPUS CHRISTI TEXAS
ABOUT 430 MI...690 KM E OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* TEXAS COAST FROM PORT MANSFIELD TO SAN LUIS PASS

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* TEXAS COAST SOUTH OF PORT MANSFIELD TO THE MOUTH OF THE RIO GRANDE

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE
MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE
FORECAST OFFICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 100 PM CDT...1800 UTC...THE CENTER OF TROPICAL STORM DON WAS
LOCATED NEAR LATITUDE 24.6 NORTH...LONGITUDE 90.7 WEST. DON IS
MOVING TOWARD THE NORTHWEST NEAR 15 MPH...23 KM/H. A GENERAL MOTION
TOWARD THE NORTHWEST OR WEST-NORTHWEST IS EXPECTED THROUGH SATURDAY.
ON THIS TRACK...THE CENTER OF DON SHOULD CROSS THE CENTRAL GULF OF
MEXICO TODAY...APPROACH THE TEXAS COAST ON FRIDAY....AND REACH THE
TEXAS COAST FRIDAY NIGHT OR SATURDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/H...WITH HIGHER
GUSTS. GRADUAL STRENGTHENING IS FORECAST DURING THE NEXT 36 HOURS.

TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM
FROM THE CENTER.

THE MINIMUM CENTRAL PRESSURE JUST REPORTED BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT IS 1005 MB...29.68 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING
AREA BY LATE FRIDAY OR FRIDAY NIGHT. TROPICAL STORM CONDITIONS ARE
POSSIBLE IN THE WATCH AREA BY LATE FRIDAY OR FRIDAY NIGHT.

STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS
1 TO 2 FEET ABOVE GROUND LEVEL...MAINLY ALONG THE IMMEDIATE COAST
NEAR AND TO THE NORTHEAST OF WHERE THE CENTER MAKES LANDFALL. NEAR
THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DAMAGING
WAVES.

[] RAINFALL...DON IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF
3 TO 5 INCHES FROM THE CENTRAL TEXAS COAST WESTWARD INTO SOUTH
CENTRAL TEXAS...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 7 INCHES.

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It looks like Texas is finally going to get some rain hopefully, these things most of the time bring more clouds than actual rain.

Thanks Eldon. We're rather hoping for the rain...

Interesting storm and NOAA doesn't really seem to be taking it very seriously even though, by their own admission, it's a tough one to predict. Since it will be on collision course with Texas by this time tomorrow, I hope it doesn't go Ike on us suddenly. It CAN happen...

Dave

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Yep, they ought to be into it. Your son got a room with bass under it?

This one has a short fuse. The weather patterns are way too complex for my meager skills, but logic suggests the GOM is LOADED with heat energy. Got to be some very powerful forces keeping this one from manning up. Let's hope they hold...

Dave

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Yep, they ought to be into it. Your son got a room with bass under it?

Nah, he's in an apartment. I've got cut wood and a driver for a small tapped horn sub, but I've put off building it for him. I don't want him to get kicked out[;)]

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The 8 pm update, Don has shifted a bit to the west, but the projections haven't changed much. It should hit late Friday, early Saturday and the 40 - maybe 50 mph winds are what is predicted. The rainfall and storm surge are as predicted earlier and are posted above.

Let the fun begin! There is another storm out there and the first of many. So far this year there isn't an upper atmosphere wind blowing everything out to the eastern Atlantic.

AT 700 PM CDT...0000 UTC...THE CENTER OF TROPICAL STORM DON WAS
ESTIMATED NEAR LATITUDE 24.7 NORTH...LONGITUDE 91.8 WEST. DATA FROM
A NOAA HURRICANE HUNTER PLANE INDICATE THAT DON HAS JOGGED WESTWARD
OVER THE PAST FEW HOURS BUT THE STORM SHOULD RESUME A
WEST-NORTHWEST TO NORTHWEST TRACK NEAR 16 MPH...26 KM/H...TONIGHT.
A GENERAL NORTHWESTWARD TO WEST-NORTHWESTWARD MOTION IS FORECAST
DURING THE NEXT 36 TO 48 HOURS. ON THE FORECAST TRACK...THE CENTER
OF DON SHOULD APPROACH THE TEXAS COAST ON FRIDAY...AND THEN MAKE
LANDFALL ALONG THE TEXAS COAST FRIDAY NIGHT OR EARLY SATURDAY
MORNING.

MAXIMUM SUSTAINED WINDS REMAIN NEAR 45 MPH...75 KM/H...WITH HIGHER
GUSTS. SOME SLOW STRENGTHENING IS POSSIBLE BEFORE THE CENTER MAKES
LANDFALL.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM
FROM THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1004 MB...29.65 INCHES.

post-6396-13819659682948_thumb.gif

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The 11 am update on Don indicates it will strength a bit more to approximately 60 mph winds and continue on the same path. It will not strengthen any more than that due to the very dry conditions to the north and west of Don.

TROPICAL STORM DON DISCUSSION NUMBER   8
NWS NATIONAL HURRICANE CENTER MIAMI FL AL042011
1000 AM CDT FRI JUL 29 2011

SATELLITE IMAGES SHOW THAT DON HAS BECOME A LITTLE BETTER ORGANIZED
THIS MORNING WITH INCREASED CONVECTIVE BANDING AROUND THE CENTRAL
CONVECTION...ESPECIALLY IN THE SOUTHERN SEMICIRCLE. HOWEVER...THE
STORM CONTINUES TO EXPERIENCE 10-15 KT OF NORTHERLY VERTICAL WIND
SHEAR...WITH AN ELONGATED OVERALL CLOUD PATTERN AND A STREAM OF ARC
CLOUDS IN THE EASTERN AND NORTHEASTERN QUADRANTS OF THE CYCLONE.
AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT HAS REPORTED 850 MB
FLIGHT-LEVEL WINDS OF 51 KT...AND THE CENTRAL PRESSURE ESTIMATED
FROM THE AIRCRAFT DATA IS NEAR 1002 MB. THE INITIAL INTENSITY
REMAINS 45 KT.

THE INITIAL MOTION IS NOW 300/12. DEEP-LAYER RIDGING OVER THE
SOUTHEASTERN UNITED STATES SHOULD STEER DON GENERALLY
WEST-NORTHWESTWARD UNTIL THE CYCLONE DISSIPATES OVER LAND IN
36-48 HR. THE NEW FORECAST TRACK HAS CHANGED LITTLE FROM THE
PREVIOUS TRACK AND IS NEAR THE CENTER OF THE TRACK GUIDANCE
ENVELOPE.

DON SHOULD CONTINUE TO EXPERIENCE MODERATE SHEAR UNTIL THE CENTER
MAKES LANDFALL IN ABOUT 18 HR. IN ADDITION...WATER VAPOR IMAGERY
AND MICROWAVE PRECIPITABLE WATER DATA SHOW DRY AIR CLOSE TO THE
WESTERN SIDE OF DON. THIS COMBINATION SHOULD CONTINUE TO IMPEDE
SIGNIFICANT STRENGTHENING BEFORE LANDFALL...AND THUS THE INTENSITY
FORECAST SHOWS ONLY SLIGHT STRENGTHENING. DON SHOULD WEAKEN
STEADILY AFTER LANDFALL...AND THE SYSTEM IS EXPECTED TO DISSIPATE
COMPLETELY BY 48 HR IN AGREEMENT WITH THE DYNAMICAL MODEL GUIDANCE.

INTERESTS IN EXTREME NORTHEAST MEXICO SHOULD CONTINUE TO CLOSELY
MONITOR THE PROGRESS OF DON. ANY SMALL DEVIATION TO THE SOUTH OF
THE FORECAST TRACK COULD NECESSITATE THE ISSUANCE OF WARNINGS FOR
THE EXTREME NORTHEASTERN COAST OF MEXICO.

FORECAST POSITIONS AND MAX WINDS

INIT 29/1500Z 26.2N 94.9W 45 KT 50 MPH
12H 30/0000Z 26.8N 96.7W 50 KT 60 MPH
24H 30/1200Z 27.7N 99.1W 35 KT 40 MPH...INLAND
36H 31/0000Z 28.3N 101.6W 25 KT 30 MPH...INLAND
48H 31/1200Z...DISSIPATED

$$
FORECASTER BEVEN
System 1 in the Atlantic now has a 30% chance of becoming a tropical storm. 
1. A LARGE TROPICAL WAVE ACCOMPANIED BY A WELL-DEFINED LOW PRESSURE
SYSTEM IS LOCATED ABOUT 1200 MILES EAST-SOUTHEAST OF THE LESSER
ANTILLES. THIS DISTURBANCE CONTINUES TO SHOW SIGNS OF
ORGANIZATION...AND ENVIRONMENTAL CONDITIONS ARE CONDUCIVE FOR
GRADUAL DEVELOPMENT OVER THE NEXT FEW DAYS. THIS SYSTEM HAS A
MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING
THE NEXT 48 HOURS AS IT MOVES WESTWARD OR WEST-NORTHWESTWARD AT 15
TO 20 MPH.
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