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AmericanIceman

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Posts posted by AmericanIceman

  1. Not much has changed...

    000

    WTNT31 KNHC 121155

    TCPAT1

    BULLETIN

    TROPICAL STORM ALBERTO INTERMEDIATE ADVISORY NUMBER 9A

    NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012006

    700 AM CDT MON JUN 12 2006

    ...ALBERTO HEADED FOR THE NORTHEAST GULF OF MEXICO COAST...

    A TROPICAL STORM WARNING IS IN EFFECT FOR THE GULF COAST OF FLORIDA

    FROM ENGLEWOOD TO INDIAN PASS. A TROPICAL STORM WARNING MEANS THAT

    TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA

    WITHIN THE NEXT 24 HOURS.

    A TROPICAL STORM WATCH REMAINS IN EFFECT FROM SOUTH OF ENGLEWOOD TO

    BONITA BEACH.

    FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE

    INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED

    BY YOUR LOCAL WEATHER OFFICE.

    AT 700 AM CDT...1200Z...THE CENTER OF TROPICAL STORM ALBERTO WAS

    LOCATED NEAR LATITUDE 26.7 NORTH...LONGITUDE 87.0 WEST OR ABOUT 240

    MILES...390 KM...SOUTH-SOUTHWEST OF APALACHICOLA FLORIDA AND ABOUT

    295 MILES...475 KM...SOUTHWEST OF CEDAR KEY FLORIDA.

    ALBERTO IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 8 MPH...13 KM/HR

    ...AND A TURN TO THE NORTHEAST IS EXPECTED OVER THE NEXT 24 HOURS.

    MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER

    GUSTS. SOME ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT

    24 HOURS. AN AIR FORCE RESERVE UNIT HURRICANE HUNTER AIRCRAFT IS

    APPROACHING THE CENTER OF ALBERTO.

    TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370

    KM...TO THE NORTHEAST AND SOUTHEAST OF THE CENTER. THE LARGE EXTENT

    OF TROPICAL STORM FORCE WINDS MEANS THAT THESE WINDS WILL BE FELT

    ALONG THE COAST WELL IN ADVANCE OF THE ARRIVAL OF THE CENTER.

    ESTIMATED MINIMUM CENTRAL PRESSURE IS 1001 MB...29.56 INCHES.

    COASTAL STORM SURGE FLOODING OF 6 TO 8 FEET ABOVE NORMAL TIDE

    LEVELS...CAN BE EXPECTED OVER A LARGE PORTION OF THE WARNING AREA.

    STORM TOTAL RAINFALL AMOUNTS OF 4 TO 8 INCHES...WITH ISOLATED

    MAXIMUM AMOUNTS TO 10 INCHES...ARE POSSIBLE THROUGH TUESDAY ACROSS

    PORTIONS OF CENTRAL AND NORTHERN FLORIDA AND SOUTHEASTERN

    GEORGIA...MAINLY ALONG AND TO THE RIGHT OF THE TRACK OF ALBERTO.

    ISOLATED TORNADOES ARE POSSIBLE OVER WEST-CENTRAL AND NORTHWESTERN

    FLORIDA TONIGHT.

    REPEATING THE 700 AM CDT POSITION...26.7 N...87.0 W. MOVEMENT

    TOWARD...NORTH-NORTHEAST NEAR 8 MPH. MAXIMUM SUSTAINED WINDS...50

    MPH. MINIMUM CENTRAL PRESSURE...1001 MB.

    THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL

    HURRICANE CENTER AT 1000 AM CDT.

    FORECASTER PASCH

    $$

  2. 000

    ABNT20 KNHC 092116

    TWOAT

    TROPICAL WEATHER OUTLOOK

    NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL

    530 PM EDT FRI JUN 09 2006

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

    SURFACE OBSERVATIONS INDICATE THAT PRESSURES ARE FALLING IN THE

    NORTHWESTERN CARIBBEAN SEA AND A CIRCULATION HAS FORMED BETWEEN

    HONDURAS AND WESTERN CUBA. HOWEVER...SATELLITE IMAGES INDICATE THAT

    THE THUNDERSTORM ACTIVITY REMAINS POORLY ORGANIZED AT THIS TIME.

    ENVIRONMENTAL CONDITIONS ARE BECOMING MORE FAVORABLE FOR

    DEVELOPMENT AND A TROPICAL DEPRESSION COULD FORM AT ANY TIME. THIS

    SYSTEM IS EXPECTED TO MOVE SLOWLY NORTHWARD...BRINGING ADDITIONAL

    HEAVY RAINS PRIMARILY TO THE CAYMAN ISLANDS AND PORTIONS OF CUBA

    DURING THE NEXT DAY OR TWO. AN AIR FORCE RECONNAISSANCE AIRCRAFT IS

    SCHEDULED TO INVESTIGATE THIS SYSTEM TOMORROW AFTERNOON...IF

    NECESSARY. ALL INTERESTS IN THE NORTHWESTERN CARIBBEAN SEA AND THE

    SOUTHEASTERN GULF OF MEXICO SHOULD CLOSELY MONITOR THE PROGRESS OF

    THIS SYSTEM.

    ELSEWHERE...TROPICAL STORM FORMATION IS NOT EXPECTED THROUGH

    SATURDAY.

    FORECASTER AVILA

  3. 000

    ABNT20 KNHC 091524

    TWOAT

    TROPICAL WEATHER OUTLOOK

    NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL

    1130 AM EDT FRI JUN 09 2006

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

    WIDESPREAD CLOUDINESS AND SHOWERS OVER THE NORTHWESTERN CARIBBEAN

    SEA AND ADJACENT LAND AREAS ARE ASSOCIATED WITH AN AREA OF LOW

    PRESSURE CENTERED A COUPLE HUNDRED MILES EAST OF THE YUCATAN

    PENINSULA. THIS SYSTEM IS SHOWING SIGNS OF ORGANIZATION THIS

    MORNING. DESPITE THE CLOSE PROXIMITY TO LAND...AND UPPER-LEVEL

    WINDS THAT ARE ONLY SOMEWHAT CONDUCIVE FOR ADDITIONAL

    DEVELOPMENT...A TROPICAL DEPRESSION COULD STILL FORM DURING THE

    NEXT OR TWO AS THE SYSTEM MOVES SLOWLY NORTHWARD. AN AIR FORCE

    RECONNAISSANCE AIRCRAFT IS SCHEDULED TO INVESTIGATE THIS SYSTEM

    TOMORROW AFTERNOON...IF NECESSARY. EVEN IF A TROPICAL DEPRESSION

    DOES NOT FORM...HEAVY RAINFALL IS POSSIBLE DURING THE NEXT COUPLE

    OF DAYS OVER PORTIONS OF HONDURAS...BELIZE...THE YUCATAN

    PENINSULA...THE CAYMAN ISLANDS...AND WESTERN CUBA.

    ELSEWHERE...TROPICAL STORM FORMATION IS NOT EXPECTED THROUGH

    SATURDAY.

    FORECASTER MAINELLI/KNABB

    $$

  4. oOoOo!

    This will be one for me to watch out for. If it heads for the panhandle and into Georgia, we could get a lot of rain. We need the rain though, so.

    Looking at the IR Loop, things do certainly look more "together".

    http://www.goes.noaa.gov/HURRLOOPS/huirloop.html

    http://www.ssd.noaa.gov/goes/east/gmex/loop-avn.html

    The second one took quite a while to load for some reason, so I took a screen cap of it.

    THEN:

    post-3198-1149783558.jpg

    NOW:

    post-3198-1149783577_thumb.jpg

  5. ZCZC MIATCDAT4 ALL

    TTAA00 KNHC DDHHMM

    HURRICANE WILMA DISCUSSION NUMBER 14

    NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL

    11 PM EDT TUE OCT 18 2005

    WILMA HAS DEVELOPED THE DREADED PINHOLE EYE. REPORTS FROM THE AIR

    FORCE RESERVE HURRICANE HUNTER INVESTIGATING WILMA BETWEEN 19Z AND

    23Z INDICATED A 7-8 N MI WIDE EYE...WITH THE CENTRAL PRESSURE

    DROPPING FROM 970 MB TO 954 MB IN 3 HR 14 MIN. THE MAXIMUM

    FLIGHT-LEVEL WINDS MEASURED BY THE AIRCRAFT AT 850 MB WERE 101 KT.

    SINCE THAT TIME...SATELLITE IMAGERY SHOWS INCREASED ORGANIZATION...

    WITH A RING OF COLD TOPS OF -80C TO -87C SURROUNDING THE EYE.

    SATELLITE INTENSITY ESTIMATES ARE 102 KT FROM TAFB AND SAB...AND 90

    KT FROM AFWA. BASED ON THIS AND EXTRAPOLATION OF THE LAST AIRCRAFT

    DATA...THE INITIAL INTENSITY IS INCREASED TO 95 KT. THIS MAY BE

    CONSERVATIVE.

    THE INITIAL MOTION IS THE 12 HR MOTION OF 285/7...ALTHOUGH FOR THE

    PAST SEVERAL HOURS THE EYE HAS BEEN MOVING ALMOST DUE WEST AND

    PERHAPS A LITTLE SLOWER. WILMA IS SOUTH OF A MID/UPPER-LEVEL RIDGE

    EXTENDING FROM NORTHERN MEXICO EASTWARD TO SOUTHERN FLORIDA...AND

    SOUTHEAST OF A LOW-LEVEL RIDGE THAT COVERS THE GULF OF MEXICO.

    LARGE-SCALE MODELS AGREE THAT THE RIDGES SHOULD WEAKEN DURING THE

    NEXT 36-48 HR AS AN UPPER-LEVEL LOW CENTERED OVER NORTHWESTERN

    ARIZONA MOVES NORTHEASTWARD AND THEN EASTWARD. THE RIDGES SHOULD

    COLLAPSE COMPLETELY AS A DEEP LAYER TROUGH DEVELOPS OVER THE

    EASTERN UNITED STATES AFTER 72 HR. THIS COMBINATION SHOULD CAUSE

    WILMA TO MOVE GENERALLY NORTHWESTWARD FOR 48 HR OR SO...THEN TURN

    NORTHWARD...THEN RECURVE INTO THE WESTERLIES AFTER 72 HR. ALL

    MODEL GUIDANCE GENERALLY AGREES ON THIS SCENARIO...ALTHOUGH THERE

    IS SOME SPREAD ON THE EXACTLY WHERE WILMA WILL RECURVE BETWEEN THE

    LEFT-MOST GFDN AND RIGHT-MOST UKMET. THE NEW FORECAST TRACK IS

    ADJUSTED SOMEWHAT TO THE LEFT FOR THE FIRST 48 HR BASED ON THE

    CURRENT POSITION AND MOTION...WITH THE REMAINDER OF THE FORECAST

    TRACK SIMILAR TO THE PREVIOUS ADVISORY IN AGREEMENT WITH THE MODEL

    CONSENSUS. IT SHOULD BE NOTED THAT THE MODELS DO NOT COMPLETELY

    AGREE ON HOW THE EASTERN U. S. TROUGH WILL EVOLVE...AND THESE

    DIFFERENCES COULD MAKE A SIGNIFICANT DIFFERENCE IN WHAT PARTS OF

    FLORIDA WILMA WILL ULTIMATELY AFFECT.

    THE INTENSITY FORECAST HAS BECOME MORE COMPLICATED. THE CURRENT

    RAPID INTENSIFICATION AND FAVORABLE ENVIRONMENT SHOULD BRING WILMA

    TO CATEGORY FOUR STATUS IN THE NEXT 24 HR...AND IT WOULD NOT BE A

    SURPRISE TO SEE IT REACH CATEGORY FIVE BEFORE IT BOTTOMS OUT.

    HOWEVER...SSM/I DATA SHOWS THAT THE CONVECTION WITH THE EYEWALL

    COVERS A VERY SMALL AREA...WITH A DISTINCT DRY MOAT ALREADY PRESENT

    OUTSIDE THE EYEWALL. OUTSIDE OF THAT IS A BROKEN CONVECTIVE BAND

    THAT AIRCRAFT DATA SHOWS IS ASSOCIATED WITH AN OUTER WIND MAXIMUM.

    THUS...IT APPEARS LIKELY THAT WILMA WILL GO THROUGH A CONCENTRIC

    EYEWALL CYCLE DURING THE NEXT 24-48 HR...AND SINCE THE INNER EYE IS

    SO SMALL THERE COULD BE NOTABLE WEAKENING UNTIL THE OUTER EYEWALL

    CONTRACTS. SINCE THESE CYCLES ARE HARD TO TIME...THE INTENSITY

    FORECAST WILL HOLD AT 125 KT FROM 24-48 HR. WHEN WILMA MOVES INTO

    THE GULF OF MEXICO...IT SHOULD ENCOUNTER SLIGHTLY COOLER SEA

    SURFACE TEMPERATURES AND GRADUALLY INCREASING VERTICAL SHEAR. THIS

    SHOULD CAUSE A SLOW WEAKENING...ALTHOUGH IT IS PROBABLE THAT WILMA

    WILL STILL BE A MAJOR HURRICANE WHEN IT REACHES THE FLORIDA

    PENINSULA.

    THE NOAA G4 JET FLEW ITS FIRST SYNOPTIC SURVEILLANCE MISSION ON

    WILMA THIS EVENING...AND IT WILL BE INTERESTING TO SEE THE IMPACT

    ON THE 00Z MODEL RUNS.

    FORECASTER BEVEN

    FORECAST POSITIONS AND MAX WINDS

    INITIAL 19/0300Z 16.8N 82.1W 95 KT

    12HR VT 19/1200Z 17.2N 83.1W 110 KT

    24HR VT 20/0000Z 18.1N 84.2W 125 KT

    36HR VT 20/1200Z 19.2N 85.0W 125 KT

    48HR VT 21/0000Z 20.4N 85.5W 125 KT

    72HR VT 22/0000Z 23.0N 85.5W 115 KT

    96HR VT 23/0000Z 26.0N 81.0W 90 KT...INLAND

    120HR VT 24/0000Z 33.0N 72.0W 75 KT

    $$

    NNNN

    ------

    What is so dreadful about a pinhole eye?

  6. 000

    WTNT34 KNHC 190231

    TCPAT4

    BULLETIN

    HURRICANE WILMA ADVISORY NUMBER 14

    NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL

    11 PM EDT TUE OCT 18 2005

    ...WILMA CONTINUES TO RAPIDLY STRENGTHEN...SHOULD BECOME A MAJOR

    HURRICANE IN A FEW HOURS...

    AT 10 PM CDT...0300Z...THE GOVERNMENT OF MEXICO HAS EXTENDED THE

    HURRICANE WATCH SOUTHWARD TO PUNTA GRUESA. A HURRICANE WATCH IS

    NOW IN EFFECT FOR THE EAST COAST OF THE YUCATAN PENINSULA FROM CABO

    CATOCHE TO PUNTA GRUESA.

    A HURRICANE WATCH REMAINS IN EFFECT IN CUBA FOR THE PROVINCES OF

    MATANZAS WESTWARD THROUGH PINAR DEL RIO...AND FOR THE ISLE OF

    YOUTH. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE

    POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.

    A TROPICAL STORM WARNING REMAINS IN EFFECT FOR HONDURAS FROM THE

    HONDURAS/NICARAGUA BORDER WESTWARD TO CABO CAMARON.

    A TROPICAL STORM WARNING AND A HURRICANE WATCH REMAIN IN EFFECT FOR

    THE CAYMAN ISLANDS.

    ALL INTERESTS IN THE FLORIDA KEYS AND THE FLORIDA PENINSULA SHOULD

    CLOSELY MONITOR THE PROGRESS OF WILMA.

    FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE

    INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED

    BY YOUR LOCAL WEATHER OFFICE.

    AT 11 PM EDT...0300Z...THE CENTER OF HURRICANE WILMA WAS LOCATED

    NEAR LATITUDE 16.8 NORTH...LONGITUDE 82.1 WEST OR ABOUT

    185 MILES... 295 KM...SOUTH-SOUTHWEST OF GRAND CAYMAN AND ABOUT

    405 MILES... 650 KM...SOUTHEAST OF COZUMEL MEXICO.

    WILMA IS MOVING GENERALLY TOWARD THE WEST-NORTHWEST NEAR 8 MPH

    ...13 KM/HR. A TURN TOWARD THE NORTHWEST IS EXPECTED DURING THE

    NEXT 24 HOURS.

    MAXIMUM SUSTAINED WINDS ARE NEAR 110 MPH...175 KM/HR...WITH HIGHER

    GUSTS. WILMA IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON

    SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 24

    HOURS...WITH WILMA BECOMING A MAJOR HURRICANE LATER TONIGHT AND

    POSSIBLY BECOMING A CATEGORY FOUR HURRICANE LATER ON WEDNESDAY.

    HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 15 MILES... 30 KM...

    FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP

    TO 155 MILES...250 KM. NOAA BUOY 42057 RECENTLY REPORTED SUSTAINED

    WINDS OF 50 MPH... 81 KH/HR...WITH A GUST OF 58 MPH... 94 KM/HR.

    ESTIMATED MINIMUM CENTRAL PRESSURE IS 945 MB...27.91 INCHES.

    WILMA IS EXPECTED TO PRODUCE STORM TOTAL ACCUMULATIONS OF 10 TO 15

    INCHES...WITH LOCAL AMOUNTS NEAR 25 INCHES IN MOUNTAINOUS TERRAIN

    ACROSS CUBA THROUGH FRIDAY. ADDITIONAL RAINFALL ACCUMULATIONS OF 5

    TO 10 INCHES...WITH LOCAL AMOUNTS OF 15 INCHES...ARE POSSIBLE

    ACROSS THE CAYMAN ISLANDS...SWAN ISLAND...AND JAMAICA THROUGH

    THURSDAY. STORM TOTAL ACCUMULATIONS OF 4 TO 6 INCHES...WITH

    ISOLATED AMOUNTS OF 8 TO 12 INCHES...ARE POSSIBLE FROM HONDURAS

    NORTHWARD TO THE YUCATAN PENINSULA OF MEXICO THROUGH THURSDAY.

    REPEATING THE 11 PM EDT POSITION...16.8 N... 82.1 W. MOVEMENT

    TOWARD...WEST-NORTHWEST NEAR 8 MPH. MAXIMUM SUSTAINED

    WINDS...110 MPH. MINIMUM CENTRAL PRESSURE... 945 MB.

    AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL

    HURRICANE CENTER AT 2 AM EDT FOLLOWED BY THE NEXT

    COMPLETE ADVISORY AT 5 AM EDT.

    FORECASTER BEVEN

    $$

  7. Still A Depression....

    000

    WTNT44 KNHC 161435

    TCDAT4

    TROPICAL DEPRESSION TWENTY-FOUR DISCUSSION NUMBER 4

    NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL

    11 AM EDT SUN OCT 16 2005

    THERE HAVE BEEN NO DRAMATIC CHANGES TO THE ORGANIZATION OF THE

    DEPRESSION THIS MORNING...ALTHOUGH THERE IS MORE DEEP CONVECTION

    NEAR THE CENTER WITH HINTS OF A LITTLE MORE BANDING. THE LATEST

    DVORAK CLASSIFICATIONS FROM TAFB AND SAB WERE UNCHANGED...AT

    T2.5/35 KT...BUT AS NOTED IN THE PREVIOUS DISCUSSION...WITH SUCH A

    BROAD WIND FIELD THE WINDS ARE PROBABLY STILL LAGGING THE SATELLITE

    SIGNATURE. AN AIR FORCE RECONNAISSANCE AIRCRAFT WILL BE REACHING

    THE DEPRESSION EARLY THIS AFTERNOON TO BETTER ASSESS THE STRENGTH

    OF THE CYCLONE. THE UPPER-LEVEL FLOW PATTERN REMAINS EXTREMELY

    FAVORABLE FOR DEVELOPMENT...WITH LOW SHEAR AND GOOD ANTICYCLONIC

    OUTFLOW...AND THERE IS A DEEP SUPPLY OF WARM WATER IN THE NORTHWEST

    CARIBBEAN. THE RAPID INSTENSIFICATION COMPONENT OF THE SHIPS MODEL

    IS INCREASINGLY SUGGESTING THE LIKELIHOOD OF RAPID DEVELOPMENT...

    BUT A BETTER DEFINED INNER CORE STRUCTURE NEEDS TO FORM FIRST. THE

    GFDL MODEL BRINGS THE DEPRESSION TO MAJOR HURRICANE STATUS WITHIN

    THREE DAYS...AND THE LARGE SCALE FACTORS ARE CERTAINLY IN PLACE TO

    ALLOW THIS TO HAPPEN. THE OFFICIAL FORECAST IS CLOSER TO THE SHIPS

    MODEL EARLY IN THE FORECAST PERIOD BUT FAVORS THE GFDL LATER ON.

    THE DEPRESSION APPEARS TO HAVE MOVED LITTLE OVER THE PAST SEVERAL

    HOURS...AND PERHAPS MAY HAVE DRIFTED A LITTLE NORTHEAST OF THE

    ADVISORY POSITION. THIS TOO...WILL BE BETTER ASSESSED WHEN THE

    RECONNAISSANCE AIRCRAFT ARRIVES. THE SYNOPTIC REASONING OF THE

    FORECAST IS UNCHANGED FROM THE PREVIOUS ADVISORY. THE CYCLONE IS

    CAUGHT BETWEEN TWO MID-LEVEL HIGH PRESSURE CENTERS...WITH THE MORE

    DOMINANT ONE BEING LOCATED OVER THE CENTRAL GULF OF MEXICO. A

    MID-LEVEL SHORT WAVE IS CURRENTLY NORTH OF THE DEPRESSION BUT WILL

    SOON BE MOVING BY...WHICH SHOULD ALLOW THE WESTWARD DRIFT TO RESUME

    LATER TODAY OR TONIGHT AS WEAK RIDGING BUILDS IN NORTH OF THE

    CYCLONE. GLOBAL MODELS GRADUALLY ERODE THE AREA OF HIGH PRESSURE

    OVER THE GULF AS THE MID- TO UPPER-LEVEL LOW CURRENTLY OVER

    SOUTHERN CALIFORNIA PROGRESSES EASTWARD. MODEL GUIDANCE IS IN

    REASONABLE AGREEMENT ON AN EVENTUAL TURN TO THE NORTHWEST AND THEN

    NORTH AS THE RIDGE ERODES LATE IN THE FORECAST PERIOD...BUT WITH

    SIGNIFICANT DIFFERENCES IN SPEED AS THE CYCLONE BEGINS TO

    ACCELERATE. THE OFFICIAL FORECAST IS JUST A SHADE FASTER THAN THE

    PREVIOUS ADVISORY AND IS VERY CLOSE TO THE DYNAMICAL MODEL

    CONSENSUS.

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