TD 07-E,TS Dalila in Eastern Pacific

[HURAKAN]

The name Dalila has been used for two tropical cyclones in the Eastern Pacific Ocean. However, before 1995, it was known as Dalilia, the Spanish form of "Delilah"; it was changed, perhaps inadvertently, in operational documents prior to the 1995 season, and the misspelling has remained.

http://www.nhc.noaa.gov/1995dalila.html#FOOTNOTE

Actually, I have heard that it was operationally misspelled on the first advisory as a TS . . . one Miles Lawerence left out the last 'i' on the advisory package and the name stuck.

The argument sounds weird because since it's a NAME you should respect it. I guess since not many people care about the EPAC, it got away, and still without the last "i", it sounds right.

I remember that some time back we discussed the same issue, and I guess that until "Dalila" is retired, every time the storm forms, we will be talking about the same thing.

It will be funny if they take away "ie" from "Flossie."

[WindRunner]

Yeah, it's not like he meant to, though . . . it probably went out like that before he realized that it was misspelled. And it's not exactly like you can rename a storm between advisories, so I think they felt kind of stuck.

[HURAKAN]

Yeah, it's not like he meant to, though . . . it probably went out like that before he realized that it was misspelled. And it's not exactly like you can rename a storm between advisories, so I think they felt kind of stuck.

But we have seen many times errors being committed by the forecasters that they go back and fix them, the question is then, why didn't they just fix it??

They could have come foreward with an statement saying, "There was an error in the archive of Dalilia as the storm was spelled "Dalila." We apologize for any inconviniances this may have caused and to let you know we respect the sanctity of names. In the future we will be more careful when handling storm names.

Best regards,

TPC/NHC"

and that would have cleared the issue.

It's interesting because if Dalila is retired, this means Dalilia could still be used in the EPAC.

[Chacor]

It's the same dilemma imo as issuing an advisory under the wrong header (something the JTWC has done very recently) - the JTWC issued the TCFA on Cosme under WTPN21 PGTW (WPac TCFAs) instead of WTPN21 PHNC (Epac/Cpac TCFAs), and also issued advisory #8 on Dalila under WTPN31 PGTW instead of WTPN31 PHNC.

Something that's not easy to correct, since once it's out it's out (especially with names and headers).

[cycloneye]

WTPZ42 KNHC 262032
TCDEP2
TROPICAL STORM DALILA DISCUSSION NUMBER 20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP072007
200 PM PDT THU JUL 26 2007

DALILA IS RAPIDLY BECOMING A TIGHT SWIRL OF LOW CLOUDS AS IT MOVES
OVER COOLER WATER. THERE ARE STILL SOME PATCHES OF DEEP CONVECTION
BUT THE TOPS ARE WARMING FAST. A QUIKSCAT PASS AT 1330 UTC EARLIER
TODAY SUGGESTED THAT THE WINDS ASSOCIATED WITH DALILA WERE 45
KNOTS...A LITTLE BIT STRONGER THAT THE INITIAL INTENSITY OF 40
KNOTS ESTIMATED IN THE PREVIOUS ADVISORY. HOWEVER...SINCE THEN
DALILA HAS WEAKENED...AND AN INITIAL INTENSITY OF 40 KNOTS FOR THIS
ADVISORY IS A GOOD ESTIMATE. DALILA'S CIRCULATION IS EXPECTED TO
BE OVER 22 TO 23 DEGREE CELSIUS WATERS SOON...SO A CONTINUED
WEAKENING TREND IS ANTICIPATED. DALILA COULD BECOME A REMNANT LOW
AS EARLY AS TOMORROW.

THE CYCLONE IS MOVING TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 8
KNOTS. BECAUSE DALILA IS WEAKENING AND BECOMING A SHALLOW
CYCLONE...IT WILL LIKELY BE STEERED MORE TOWARD THE WEST BY THE
LOW-LEVEL FLOW UNTIL DISSIPATION.


FORECAST POSITIONS AND MAX WINDS

INITIAL 26/2100Z 22.2N 115.2W 40 KT
12HR VT 27/0600Z 22.8N 116.5W 30 KT
24HR VT 27/1800Z 23.3N 118.0W 25 KT...REMNANT LOW
36HR VT 28/0600Z 24.0N 120.0W 20 KT...REMNANT LOW
48HR VT 28/1800Z 24.5N 122.0W 20 KT...REMNANT LOW
72HR VT 29/1800Z 24.5N 124.5W 20 KT...REMNANT LOW
96HR VT 30/1800Z...DISSIPATING

$$
FORECASTER AVILA

[HurricaneRobert]

She looks healthy now:

[HURAKAN]

TROPICAL STORM DALILA FORECAST/ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP072007
0300 UTC FRI JUL 27 2007

TROPICAL STORM CENTER LOCATED NEAR 22.6N 116.3W AT 27/0300Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 60NE 0SE 0SW 30NW.
12 FT SEAS..200NE 200SE 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 22.6N 116.3W AT 27/0300Z
AT 27/0000Z CENTER WAS LOCATED NEAR 22.4N 115.8W

FORECAST VALID 27/1200Z 23.2N 117.7W
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 28/0000Z 23.8N 119.6W...REMNANT LOW
MAX WIND 25 KT...GUSTS 35 KT.

FORECAST VALID 28/1200Z 24.2N 121.2W...REMNANT LOW
MAX WIND 20 KT...GUSTS 30 KT.

FORECAST VALID 29/0000Z 24.5N 122.8W...REMNANT LOW
MAX WIND 20 KT...GUSTS 30 KT.

FORECAST VALID 30/0000Z 24.5N 125.5W...REMNANT LOW
MAX WIND 20 KT...GUSTS 30 KT.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 200 NM
ON DAY 4 AND 250 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 31/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.6N 116.3W

NEXT ADVISORY AT 27/0900Z

$$
FORECASTER FRANKLIN

[Chacor]

No more TS...

EP, 07, 2007072706, , BEST, 0, 226N, 1168W, 30, 1005, TD, 34, NEQ, 0, 0, 0, 0, 1010, 275, 30, 0, 0, E, 0, , 0, 0, DALILA, S,

[HURAKAN]

TROPICAL DEPRESSION DALILA DISCUSSION NUMBER 22
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP072007
200 AM PDT FRI JUL 27 2007

ALL OF THE DEEP CONVECTION ASSOCIATED WITH DALILA HAS DISSIPATED AND
THE CYCLONE HAS BEEN REDUCED TO A SKELETON OF ITS FORMER SELF. AN
EARLIER QUIKSCAT AROUND 0200 UTC INDICATED MAXIMUM WINDS IN THE
30-35 KT RANGE. GIVEN THE PRESENT TREND IN CONVECTION...THE
ADVISORY INTENSITY IS SET AT THE LOWER END OF THIS RANGE WHICH IS
ALSO CONSISTENT WITH DVORAK INTENSITY ESTIMATES. REGENERATION IS
NOT EXPECTED GIVEN THE COLD WATER ALONG THE FORECAST TRACK...AND
DALILA WILL LIKELY BECOME A REMNANT LOW LATER TODAY FOLLOWED BY
DISSIPATION IN 2-3 DAYS.

THE INITIAL MOTION ESTIMATE IS 290/10. DALILA IS ESSENTIALLY MOVING
ALONG THE PREVIOUS FORECAST TRACK AND ONLY MINOR ADJUSTMENTS ARE
REQUIRED.


FORECAST POSITIONS AND MAX WINDS

INITIAL 27/0900Z 22.9N 117.2W 30 KT
12HR VT 27/1800Z 23.3N 118.6W 25 KT...REMNANT LOW
24HR VT 28/0600Z 23.8N 120.2W 20 KT...REMNANT LOW
36HR VT 28/1800Z 24.2N 121.8W 20 KT...REMNANT LOW
48HR VT 29/0600Z 24.3N 123.5W 20 KT...REMNANT LOW
72HR VT 30/0600Z...DISSIPATED

$$
FORECASTER RHOME

[HURAKAN]

[Chacor]

000
WTPZ42 KNHC 271434
TCDEP2
TROPICAL DEPRESSION DALILA DISCUSSION NUMBER 23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP072007
800 AM PDT FRI JUL 27 2007

ENHANCED INFRARED SATELLITE IMAGERY AND AN EARLIER AMSU-B MICROWAVE
OVERPASS SUGGEST THAT DALILA HAS BEEN DEVOID OF DEEP CONVECTION FOR
AT LEAST 12 HOURS. NO INTERMITTENT CONVECTIVE BURSTS HAVE
MATERIALIZED SINCE LAST NIGHT'S QUIKSCAT OVERPASS...WHICH DEPICTED
A VERY SMALL PATCH OF 30 KT WINDS OVER THE NORTHWEST QUADRANT.
ASSUMING A GRADUAL SPINDOWN OF THE VORTEX SINCE THAT PASS...THE
INITIAL INTENSITY IS LOWERED TO 25 KT. THE SYSTEM IS EXPECTED TO
CONTINUE WEAKENING AS A REMNANT LOW OVER THE NEXT COUPLE OF DAYS.

THE INITIAL MOTION IS ESTIMATED AT 290/9. DALILA SHOULD CONTINUE
THROUGH THE FORECAST PERIOD ON A GENERALLY WEST-NORTHWESTWARD
MOTION WITHIN THE EASTERLY FLOW OF A LOW TO MID TROPOSPHERIC HIGH
SITUATED TO THE NORTH-NORTHWEST.

THIS IS THE LAST ADVISORY ISSUED ON TROPICAL DEPRESSION DALILA. FOR
ADDITIONAL INFORMATION ON THE REMNANT LOW PLEASE SEE HIGH SEAS
FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS
HEADER NFDHSFEP1 AND WMO HEADER FZPN02 KWBC.

FORECAST POSITIONS AND MAX WINDS

INITIAL 27/1500Z 23.1N 117.9W 25 KT
12HR VT 28/0000Z 23.6N 119.3W 25 KT...REMNANT LOW
24HR VT 28/1200Z 24.0N 120.9W 20 KT...REMNANT LOW
36HR VT 29/0000Z 24.2N 122.6W 20 KT...REMNANT LOW
48HR VT 29/1200Z 24.2N 124.3W 20 KT...REMNANT LOW
72HR VT 30/1200Z...DISSIPATED

$$
FORECASTER ROBERTS/PASCH