ATL : TROPICAL DEPRESSION IDA

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#4241 Postby Dave » Tue Nov 10, 2009 2:12 am

URNT15 KNHC 100708
AF304 0811A IDA HDOB 42 20091110
070100 2958N 08840W 8418 01505 0038 +134 +058 083018 019 008 005 00
070130 2957N 08841W 8417 01506 0035 +135 +059 069018 019 011 005 00
070200 2956N 08842W 8416 01503 0033 +138 +060 063017 017 999 999 03
070230 2954N 08842W 8417 01501 0028 +143 +061 050018 018 000 005 03
070300 2952N 08842W 8415 01505 0021 +149 +063 050021 022 000 005 03
070330 2951N 08841W 8421 01497 0016 +154 +064 063016 018 002 004 03
070400 2950N 08840W 8415 01498 0015 +153 +066 066015 015 000 005 03
070430 2948N 08839W 8416 01498 0012 +156 +067 068015 016 003 004 03
070500 2947N 08838W 8417 01495 0006 +163 +067 088014 015 007 004 03
070530 2945N 08837W 8420 01493 0003 +165 +068 121009 012 001 005 03
070600 2944N 08837W 8417 01492 9999 +172 +069 189011 013 000 004 03
070630 2942N 08837W 8418 01491 9996 +176 +070 213014 015 001 003 00
070700 2941N 08837W 8417 01492 9994 +179 +071 228016 017 000 004 03
070730 2939N 08837W 8418 01491 9995 +180 +072 240017 017 000 004 03
070800 2937N 08837W 8417 01493 9996 +177 +073 241023 025 000 003 03
070830 2936N 08837W 8417 01493 9995 +180 +074 245028 029 999 999 03
070900 2934N 08837W 8419 01497 9993 +190 +074 251030 030 999 999 03
070930 2934N 08835W 8421 01493 9994 +189 +074 249033 033 999 999 03
071000 2935N 08833W 8421 01495 9991 +194 +074 244030 031 999 999 03
071030 2936N 08833W 8416 01494 9989 +191 +075 242029 030 999 999 03
$$
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#4242 Postby Dave » Tue Nov 10, 2009 2:23 am

URNT15 KNHC 100718
AF304 0811A IDA HDOB 43 20091110
071100 2938N 08834W 8413 01498 9995 +180 +075 239022 026 999 999 03
071130 2940N 08835W 8418 01491 9991 +183 +074 235014 014 999 999 03
071200 2941N 08836W 8417 01491 9992 +180 +072 220014 015 999 999 03
071230 2942N 08837W 8420 01489 9994 +180 +071 208013 015 999 999 03
071300 2943N 08839W 8418 01493 9997 +175 +070 188009 011 999 999 03
071330 2944N 08841W 8418 01490 9998 +171 +070 144005 005 999 999 03
071400 2944N 08843W 8417 01492 0005 +164 +070 081009 015 999 999 03
071430 2945N 08844W 8422 01494 0012 +163 +069 057020 022 999 999 03
071500 2946N 08844W 8414 01502 0019 +152 +069 048018 019 999 999 03
071530 2946N 08842W 8412 01501 0011 +154 +068 055016 018 999 999 03
071600 2946N 08841W 8426 01485 0005 +163 +067 076012 015 999 999 03
071630 2946N 08839W 8420 01492 9999 +170 +068 146009 010 003 001 03
071700 2946N 08837W 8416 01496 9999 +170 +069 181011 012 000 004 03
071730 2946N 08835W 8416 01496 0000 +171 +070 178012 013 011 004 00
071800 2946N 08833W 8420 01491 0002 +166 +071 168012 012 015 005 00
071830 2946N 08831W 8415 01497 0001 +172 +072 180015 015 013 005 00
071900 2946N 08829W 8419 01494 9999 +177 +072 185015 015 006 005 00
071930 2946N 08828W 8417 01497 9998 +179 +072 186016 016 014 004 03
072000 2946N 08826W 8414 01499 0003 +175 +073 189019 020 022 003 00
072030 2946N 08824W 8417 01499 0003 +175 +073 189021 021 025 003 00
$$
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#4243 Postby Dave » Tue Nov 10, 2009 2:26 am

What was once hurricane Ida...

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#4244 Postby Dave » Tue Nov 10, 2009 2:30 am

That does it for me...goodnight all.
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Re: ATL : TROPICAL STORM IDA

#4245 Postby Category 5 » Tue Nov 10, 2009 3:46 am

Seeing a circulation coming into view on mobile radar. Heading right at Dauphin island.
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Re: ATL : TROPICAL STORM IDA - Advisories

#4246 Postby cycloneye » Tue Nov 10, 2009 5:32 am

WTNT41 KNHC 100842
TCDAT1
TROPICAL STORM IDA DISCUSSION NUMBER 26
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009
300 AM CST TUE NOV 10 2009

THE CENTER OF IDA IS NOW DEVOID OF DEEP CONVECTION...AS THE COLDEST
CLOUD TOPS HAVE CONTINUED TO SHEAR OFF TOWARD THE NORTH AND EAST
OVER THE PAST SEVERAL HOURS. DATA FROM AIRCRAFT RECONNAISSANCE SHOW
THAT THE CENTRAL PRESSURE HAS SLOWLY RISEN TO 999 MB. THE HIGHEST
850-MB FLIGHT LEVEL WIND REPORTED BY THE HURRICANE HUNTER AIRCRAFT
WAS 53 KT AT 0733 UTC...AND THE HIGHEST RELIABLE SFMR WINDS WERE
AROUND 40 KT. WINDS AT THE NUMEROUS MARINE PLATFORMS ALONG THE
GULF COAST HAVE ALSO BEEN SLOWLY DECREASING OVER THE PAST FEW HOURS.
BASED ON ALL THIS...THE INITIAL INTENSITY IS LOWERED TO 45 KT FOR
THIS ADVISORY. A GRADUAL SPIN DOWN OF THE SYSTEM IS FORECAST...
ALTHOUGH IDA IS STILL EXPECTED TO BE AT TROPICAL STORM INTENSITY
WHEN IT COMPLETES EXTRATROPICAL TRANSITION LATER TODAY. MOST OF THE
GUIDANCE SHOWS THE LOW-LEVEL CIRCULATION OF IDA BEING ABSORBED INTO
A FRONTAL ZONE ASSOCIATED WITH A BAROCLINIC LOW THAT DEVELOPS OFF
THE SOUTHEAST U.S. COAST IN ABOUT 48 HOURS.

AIRCRAFT FIXES AND SATELLITE IMAGERY OVERNIGHT INDICATED THAT IDA
WAS MOVING ONLY VERY SLOWLY NORTHWARD FOR SEVERAL HOURS. HOWEVER
THE LAST COUPLE OF AIRCRAFT FIXES AND MULTI-CHANNEL SATELLITE
IMAGERY SUGGEST THAT A FASTER MOTION JUST EAST OF DUE NORTH MAY
HAVE BEGUN...AND THE INITIAL MOTION ESTIMATE IS 005/08. DATA FROM
THE AIRCRAFT AND SATELLITE IMAGERY ALSO SUGGEST THAT THE LOW-LEVEL
CENTER IS BECOMING ELONGATED AND LESS WELL-DEFINED. THE DYNAMICAL
GUIDANCE IS INSISTENT ON A TURN TOWARD THE NORTHEAST WHICH COULD BE
BEGINNING NOW AND FINALLY WOULD BRING THE CENTER INLAND LATER
TODAY. THE OFFICIAL FORECAST IS SLOWER AND FARTHER SOUTH THAN THE
PREVIOUS PACKAGE DUE TO THE SLOWER INITIAL MOTION AND MORE WESTERLY
INITIAL POSITION AND A SOUTHWARD TREND IN THE MODEL GUIDANCE.

THE FACT THAT THE LANDFALL OF IDA HAS BEEN DELAYED HAS LITTLE
SIGNIFICANCE SINCE THE TROPICAL STORM FORCE WINDS COVER A LARGE
AREA AWAY FROM THE CENTER AND MOST OF THE HEAVY RAINFALL HAS
ALREADY SPREAD ONSHORE.

FORECAST POSITIONS AND MAX WINDS

INITIAL 10/0900Z 29.9N 88.5W 45 KT
12HR VT 10/1800Z 30.8N 88.0W 35 KT...EXTRATROPICAL
24HR VT 11/0600Z 31.0N 86.4W 30 KT...EXTRATROPICAL
36HR VT 11/1800Z 30.4N 84.4W 25 KT...EXTRATROPICAL
48HR VT 12/0600Z...DISSIPATED

$$
FORECASTER BRENNAN

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Re: ATL : TROPICAL STORM IDA

#4247 Postby wxman57 » Tue Nov 10, 2009 6:06 am

There's nothing to see on radar near the center because it's just a swirl of low clouds. I don't see any evidence of 45 kt winds on radar. Clearly, winds aloft aren't translating to the surface. Winds generally 15-20 kts on the coast now. There's nothing much to make landfall. Clearly not tropical. NHC had said they wouldn't confuse the public by calling it ET before landfall, regardless of its state. But it is ET now with a cold front extending south from the center.

Current wind Mobile - 010 deg 16 gusting 23 kts
Peak wind Mobile - 040 deg 23 gusting 41 kts

Current wind Pensacola - 160 deg 17 gusting 21 kts
Peak wind Pensacola - 130 deg 23 kts gusting 37 kts

KMOB| |101044|64.0F|62.0F|93.9%|010|016|023|29.70|999|OVC|Rain , Mist
KMOB| |100705|64.0F|62.0F|93.9%|040|023|041|29.76|999|OVC|Light Rain , Mist

KPNS| |101031|71.0F|68.0F|88.5%|160|017|021|29.70|999|OVC|Light Rain
KPNS| |100729|69.0F|68.0F|94.0%|130|023|037|29.75|999|OVC|Light Rain , Mist

Yellow 'X" marks the center.
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Re: ATL : TROPICAL STORM IDA - Advisories

#4248 Postby cycloneye » Tue Nov 10, 2009 6:56 am

000
WTNT31 KNHC 101154
TCPAT1
BULLETIN
TROPICAL STORM IDA INTERMEDIATE ADVISORY NUMBER 26A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009
600 AM CST TUE NOV 10 2009

...IDA OVER MOBILE BAY...

A TROPICAL STORM WARNING REMAINS IN EFFECT FROM GRAND ISLE LOUISIANA
EASTWARD TO THE AUCILLA RIVER FLORIDA...INCLUDING NEW ORLEANS AND
LAKE PONTCHARTRAIN.

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

DATA FROM NOAA DOPPLER RADAR AND SURFACE OBSERVATIONS INDICATE THAT
THE CENTER OF TROPICAL STORM IDA MADE ITS FIRST LANDFALL AROUND 540
AM CST...1140 UTC...ON DAUPHIN ISLAND ALABAMA...WITH MAXIMUM
SUSTAINED WINDS OF 45 MPH...75 KM/HR.

AT 600 AM CST...1200 UTC...THE CENTER OF TROPICAL STORM IDA WAS
LOCATED NEAR LATITUDE 30.3 NORTH...LONGITUDE 88.0 WEST OR ABOUT 25
MILES...40 KM...SOUTH OF MOBILE ALABAMA.

IDA IS MOVING TOWARD THE NORTHEAST NEAR 9 MPH...15 KM/HR. THIS
GENERAL MOTION WITH A DECREASE IN FORWARD SPEED IS EXPECTED
TODAY. ON THE FORECAST TRACK...THE CENTER OF IDA SHOULD REACH THE
MAINLAND ALABAMA COAST LATER THIS MORNING. AFTER LANDFALL...IDA IS
EXPECTED TO TURN EASTWARD.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 45 MPH...75 KM/HR
...WITH HIGHER GUSTS. SOME ADDITIONAL WEAKENING IS EXPECTED...AND
IDA IS EXPECTED TO LOSE TROPICAL CHARACTERISTICS LATER TODAY.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM
FROM THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 999 MB...29.50 INCHES.

IDA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 6
INCHES...WITH ISOLATED MAXIMUM STORM TOTALS OF 8 INCHES...THROUGH
WEDNESDAY EVENING FROM THE CENTRAL AND EASTERN GULF COAST ACROSS
THE SOUTHEASTERN UNITED STATES INTO THE SOUTHERN MID-ATLANTIC
STATES.

A DANGEROUS STORM TIDE WILL RAISE WATER LEVELS BY AS MUCH AS 3 TO 5
FEET ABOVE GROUND LEVEL ALONG THE COAST NEAR AND TO THE EAST OF
WHERE THE CENTER MAKES LANDFALL. NEAR THE COAST...THE SURGE WILL BE
ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES.

...SUMMARY OF 600 AM CST INFORMATION...
LOCATION...30.3N 88.0W
MAXIMUM SUSTAINED WINDS...45 MPH
PRESENT MOVEMENT...NORTHEAST OR 35 DEGREES AT 9 MPH
MINIMUM CENTRAL PRESSURE...999 MB

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
900 AM CST.

$$
FORECASTER BRENNAN/BLAKE/CANGIALOSI

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Re: ATL : TROPICAL STORM IDA

#4249 Postby cycloneye » Tue Nov 10, 2009 6:56 am

...SUMMARY OF 600 AM CST INFORMATION...
LOCATION...30.3N 88.0W
MAXIMUM SUSTAINED WINDS...45 MPH
PRESENT MOVEMENT...NORTHEAST OR 35 DEGREES AT 9 MPH
MINIMUM CENTRAL PRESSURE...999 MB
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Re: ATL : TROPICAL STORM IDA

#4250 Postby lonelymike » Tue Nov 10, 2009 7:04 am

Rain has stopped here in northern Walton County. Little bit of wind and a lot of rain with IDA overall a nice rainmaker.
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Re: ATL : TROPICAL STORM IDA

#4251 Postby wxman57 » Tue Nov 10, 2009 7:30 am

Obs indicate max sustained winds now about 25-30 kts around Ida's center. Strongest winds are out in advance of the squall line across the eastern FL panhandle. SE-SSE wind of 35 kts about 190 miles ESE of the center, but those winds aren't part of Ida's circulation.

Here's a current surface map.
Image
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Re: ATL : TROPICAL STORM IDA

#4252 Postby tolakram » Tue Nov 10, 2009 8:13 am

Any reports of high water now that it's made first landfall at Dauphin Island?
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Re: ATL : TROPICAL STORM IDA

#4253 Postby tolakram » Tue Nov 10, 2009 8:17 am

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#4254 Postby HURAKAN » Tue Nov 10, 2009 8:27 am

Image

It hasn't look tropical in some time now
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#4255 Postby gone2beach » Tue Nov 10, 2009 8:45 am

2.40" of rain from Ida. Could have been a lot more!! I guess the weed and feed on the lawn should be well watered in....
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#4256 Postby HURAKAN » Tue Nov 10, 2009 9:34 am

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Re:

#4257 Postby HURAKAN » Tue Nov 10, 2009 9:35 am

gone2beach wrote:2.40" of rain from Ida. Could have been a lot more!! I guess the weed and feed on the lawn should be well watered in....


Thanks to the high pressure and Ida, we got wind, wind, and more wind!
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#4258 Postby HURAKAN » Tue Nov 10, 2009 9:40 am

TROPICAL DEPRESSION IDA DISCUSSION NUMBER 27
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009
900 AM CST TUE NOV 10 2009

SATELLITE AND SURFACE OBSERVATIONS INDICATE THAT IDA HAS BECOME
EXTRATROPICAL. THE LATEST SATELLITE IMAGERY SHOWS A COMMA-LIKE
APPEARANCE AND TEMPERATURE DATA FROM DAUPHIN ISLAND SHOWED A 5F
TEMPERATURE DECREASE AFTER THE CENTER PASSED THIS MORNING. ALTHOUGH
THERE HAVE BEEN A COUPLE OF ELEVATED MARINE STATIONS REPORTING
SUSTAINED WINDS OVER 34 KT...THERE ARE NO INDICATIONS THAT THESE
WINDS ARE SURFACE-BASED...SO THE INITIAL INTENSITY IS SET TO 30 KT.
ALTHOUGH THE NHC INTENSITY FORECAST SHOWS LITTLE CHANGE WITH IDA
DURING THE NEXT DAY OR SO...THESE WINDS SHOULD BE MOSTLY CONFINED
OVER WATER.

THE INITIAL MOTION IS 045/8. GUIDANCE IS IN FAIR AGREEMENT ON IDA
TURNING EASTWARD AS IT BECOMES ENTRAINED INTO A DEVELOPING FRONTAL
SYSTEM AND THE NHC FORECAST IS BASICALLY AN UPDATE OF THE PREVIOUS
FORECAST. ALTHOUGH THE NEW FORECAST WILL SHOW ABSORPTION OF IDA BY
A NEW MID-LATITUDE LOW...IT IS POSSIBLE THAT IDA WILL BECOME THE
DOMINANT BAROCLINIC LOW.

THIS IS THE LAST ADVISORY ON THIS SYSTEM ISSUED BY THE NATIONAL
HURRICANE CENTER. FUTURE INFORMATION ON THIS SYSTEM CAN BE FOUND IN
PUBLIC ADVISORIES ISSUED BY THE HYDROMETEOROLOGICAL PREDICTION
CENTER...UNDER AWIPS HEADER TCPAT1 AND WMO HEADER WTNT31
KWNH...BEGINNING AT 3 PM CST.

FORECAST POSITIONS AND MAX WINDS

INITIAL 10/1500Z 30.6N 87.6W 30 KT...EXTRATROPICAL
12HR VT 11/0000Z 30.9N 86.5W 30 KT...EXTRATROPICAL
24HR VT 11/1200Z 30.7N 84.9W 30 KT...EXTRATROPICAL
36HR VT 12/0000Z 30.0N 82.5W 25 KT...EXTRATROPICAL
48HR VT 12/1200Z...ABSORBED

$$
FORECASTER BLAKE/CANGIALOSI
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Re: Re:

#4259 Postby Janie2006 » Tue Nov 10, 2009 9:40 am

attallaman wrote:
Janie2006 wrote:
CrazyC83 wrote:http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=MC9872

Theodore, AL supposedly reporting 77 mph winds, but the accuracy might be suspect.


It's bogus. I'm presently only 3 miles north of that location and have reported nothing like a 77 mph gust.
So you're riding out Ida 3 miles N of Theo, AL tonight? I have a cousin who lives in Grand Bay who called about 30 minutes ago to report winds were gusting in the 50's with heavy rain. WDSU TV6 out of NOLA reported a peak gust here in Biloxi of 56mph around 10:00 p.m. TWC reported 46mph.


Yah, I'm staying with a friend for a couple of days. Wind gusts into the 50s last night sounds quite reasonable...especially closer to the shore. Minimal local impacts here...not even a power loss for me. If you must have a November tropical event, I suppose this is the way to do it. :)

I understand NHC's reasoning in holding on to "tropical" status for so long, but clearly Ida was decoupled completely many hours ago.
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#4260 Postby HURAKAN » Tue Nov 10, 2009 9:40 am

TROPICAL DEPRESSION IDA ADVISORY NUMBER 27
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009
900 AM CST TUE NOV 10 2009

...IDA BECOMES EXTRATROPICAL...ALL WARNINGS DISCONTINUED...

AT 900 AM CST...1500 UTC...ALL TROPICAL STORM WARNINGS HAVE BEEN
DISCONTINUED.

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

DATA FROM NOAA DOPPLER RADAR AND SURFACE OBSERVATIONS INDICATE THAT
THE CENTER OF IDA MADE ITS SECOND LANDFALL AROUND 700 AM CST...1300
UTC...JUST TO THE NORTHWEST OF BON SECOUR ALABAMA.

AT 900 AM CST...1500 UTC...THE CENTER OF IDA WAS LOCATED NEAR
LATITUDE 30.6 NORTH...LONGITUDE 87.6 WEST OR ABOUT 30 MILES... 50
KM...EAST-SOUTHEAST OF MOBILE ALABAMA AND ABOUT 25 MILES... 40
KM...WEST-NORTHWEST OF PENSACOLA FLORIDA.

IDA IS MOVING TOWARD THE NORTHEAST NEAR 9 MPH...15 KM/HR...AND THIS
GENERAL MOTION WITH A TURN TOWARD THE EAST IS EXPECTED UNTIL IT
BECOMES ABSORBED BY A FRONT ON WEDNESDAY.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 35 MPH...55
KM/HR...WITH HIGHER GUSTS. IDA HAS LOST TROPICAL CHARACTERISTICS
AND ITS WINDS ARE EXPECTED TO SLOWLY DIMINISH DURING THE NEXT DAY
OR SO.

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

IDA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 6
INCHES...WITH ISOLATED MAXIMUM STORM TOTALS OF 8 INCHES...THROUGH
WEDNESDAY EVENING FROM THE EASTERN GULF COAST ACROSS THE
SOUTHEASTERN UNITED STATES INTO THE SOUTHERN MID-ATLANTIC
STATES.

WATER LEVELS ALONG THE NORTHERN GULF COAST SHOULD GRADUALLY BEGIN TO
SUBSIDE DURING THE DAY.

...SUMMARY OF 900 AM CST INFORMATION...
LOCATION...30.6N 87.6W
MAXIMUM SUSTAINED WINDS...35 MPH
PRESENT MOVEMENT...NORTHEAST OR 45 DEGREES AT 9 MPH
MINIMUM CENTRAL PRESSURE...1000 MB

THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON THIS SYSTEM. FUTURE INFORMATION ON IDA CAN BE FOUND IN
PUBLIC ADVISORIES ISSUED BY THE HYDROMETEOROLOGICAL PREDICTION
CENTER...UNDER AWIPS HEADER TCPAT1 AND WMO HEADER WTNT31
KWNH...BEGINNING AT 300 PM CST.


$$
FORECASTER BLAKE/CANGIALOSI
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