Recon Reports

[clfenwi]

PLANE: NOAA3
Observation Number: 32
Time: 2033
Position: 27.6 North // 85.3 West
Sea Level Pressure: 995 millibars
Surface wind speed and direction: 41 knots // 145
925 millibar height: 645 meters
925 millibar winds: 65 knots // 060
850 millibar height: 1379 meters
850 millibar winds: 50 knots // 055
700 millibar height: 3034 meters
700 millibar winds: 43 knots // 040

It's Dropsonde Disco hour! Everybody get down!

[Lowpressure]

If you did not know better, you might guess 135-140 based on that shot alone.

[clfenwi]

Observation Number: 33
Time: 2036Z
Position: 26.5 North 85.6 West
Sea Level Pressure: 1000 millibars
Surface wind speed and direction: 37 knots // 040
1000 millibar height: 1 meter
1000 millibar winds 37 knots // 040
925 millibar height: 684 meters
925 millibar winds: 54 knots // 065
850 millibar height:1416 meters
850 millibar winds: 50 knots // 065
700 millibar height 3066 meters
700 millibar winds: 31 knots // 055

[clfenwi]

Suspect observation. See comment below

Observation Number: 34
Time: 2037Z
Position: 25.4 North // 83.7 West
Sea Level Pressure: 926 millibars
925 millibar height: 10 meters
925 millibar winds: 76 knots // 155
850 millibar height: 746 meters
850 millibar winds: 69 knots // 160
700 millibar height: 2401 meters
700 millibar winds: 65 knots // 170[/i]

As this has been quoted, I can't delete this post...

... here is the original ob, just in case anyone thinks I botched the decode (I realize that the people who have responded don't think that but instead, think that the ob itself is botched, but still...)




000

UZNT13 KWBC 092037
XXAA 59187 99254 70837 08153 99926 22801 15576 00/// ///// /////
92010 22801 15576 85746 19204 16069 70401 11821 17065 88999 77999
31313 09608 81820
61616 NOAA3 WX04A DENNIS OB 34
62626 SPL 2544N08376W 1824 WL150 15573 085 DLM WND 16569 926649 M
BL WND 16073=
XXBB 59188 99254 70837 08153 00926 22801 11925 22801 22756 15633
33648 09007
21212 00926 15576 11924 15577 22913 15571 33904 16074 44648 16564
31313 09608 81820
61616 NOAA3 WX04A DENNIS OB 34
62626 SPL 2544N08376W 1824 WL150 15573 085 DLM WND 16569 926649 M
BL WND 16073=

[gkrangers]

Broken dropsonde. Should probably delete that ob before people go crazy....since that wasn't even in the eye.

[Brent]

Impressive imagery wxman57.

[Brent]

Observation Number: 34
Time: 2037Z
Position: 25.4 North // 83.7 West
Sea Level Pressure: 926 millibars
925 millibar height: 10 meters
925 millibar winds: 76 knots // 155
850 millibar height: 746 meters
850 millibar winds: 69 knots // 160
700 millibar height: 2401 meters
700 millibar winds: 65 knots // 170

That has to be wrong...

PLEASE.

[Lowpressure]

Broken dropsonde. Should probably delete that ob before people go crazy....since that wasn't even in the eye.

Agree, must be malfunction.

[senorpepr]

Storm Name: DENNIS (04L)
Mission Number: WX
Flight ID: NOAA3
Observation Number: 36
Time: 2059Z
Latitude: 29.2°N
Longitude: 86.0°W
Location: 69 mi WSW of Apalachicola, Florida
Turbulence: None
Flight condition: In & out of clouds
Pressure Altitude: 9500 feet
Flight level wind: ESE (110°) @ 46 mph
Temperature: 52°F
Dewpoint: 48°F
Weather: Overcast Skies
700mb height: 10300 feet
Surface Wind: N/A
Remarks: None

[clfenwi]

Observation Number: 35
Time: 2059Z
Location: 25.6 North // 84.5 West
Sea level pressure: 965 millibars
925 millibar height: 377 meters
925 millibar winds: 105 knots / / 155
850 millibar height: 1118 meters
850 millibar winds: 89 knots // 170
700 millibar height: 2788 meters

eyewall

[drezee]

Storm DENNIS: Observed By AF #302
Storm #04 in Atlantic Ocean1
Maximum Flight Level Winds Were 101KT (116.2mph 187.1km/h) In NE Quadrant At 1944:20 Z
Estimated Max Surface Winds 90.9KT (104.5mph 168.4km/h) *
Misc Remarks: XCELLENT RADAR PRESENTATION
Date/Time of Recon Report: NaN (NaN)
Position of the center: 25° 44' N 084° 47' W (25.7°N 84.8°W)
Minimum Height Measured At Standard Level Of 700mb: 2659m (Normal: 3011)
Surface Winds Were Estimated At: 55 KT (63.25MPH 101.9km/h)
Estimated Surface Winds Were Measured 026nm (29.9miles) From Center At Bearing 317°
Maximum Flight Level Winds Near Center Were 089KT (102.35mph 164.8km/h) From 015°
Maximum Flight Level Winds Were Measured 004nm (4.6 miles) From Center At Bearing 302°
Minimum pressure: 947mb (27.96in)
Eye Wall Was Characterized As Being: CLOSED
Eye Form Was Characterized As Being Circular , 12 nm (13.8 mi 22.2km) wide
Center Fix Established Using: Penetration Radar Wind Pressure Temperature
Center Fix Established At Level(s): 700mb
Navigational Accuracy Measured At 0.02nm
Meteorological Accuracy Measured At 2nm
* = Estimated Surface Winds are assumed 90% of Max Flight Level Winds

[chris_fit]

947 holy crap

[wxwatcher91]

000
URNT12 KNHC 092129
VORTEX DATA MESSAGE
A. 09/21:16:10Z
B. 25 deg 44 min N
084 deg 47 min W
C. 700 mb 2659 m
D. 55 kt
E. 317 deg 026 nm
F. 015 deg 089 kt
G. 302 deg 004 nm
H. 947 mb
I. 11 C/ 3055 m
J. 18 C/ 3049 m
K. 12 C/ NA
L. CLOSED
M. C12
N. 12345/ 7
O. 0.02 / 2 nm
P. AF302 1404A DENNIS OB 27
MAX FL WIND 101 KT NE QUAD 1944:20 Z
EXCELLENT RADAR PRESENTATION

[clfenwi]

PLANE: AF 302
Observation Number: 28
Time:21:30
Position: 25.7 North // 84.8 West
Sea Level Pressure: 947 millibars
Surface wind speed and direction: 9 knots // 035
925 millibar height: 208 meters
925 millibar winds: 7 knots // 030
850 millibar height: 952 meters
850 millibar winds: 7 knots // 035
700 millibar height: 2646 meters
700 millibar winds: 5 knots // 160

EYE




[drezee]

8 mb drop in 50 minutes??

that is 9.6 mb per hr!!!!!

[Stormtrack03]

502
URNT12 KNHC 092129
VORTEX DATA MESSAGE
A. 09/21:16:10Z
B. 25 deg 44 min N
084 deg 47 min W
C. 700 mb 2659 m
D. 55 kt
E. 317 deg 026 nm
F. 015 deg 089 kt
G. 302 deg 004 nm
H. 947 mb
I. 11 C/ 3055 m
J. 18 C/ 3049 m
K. 12 C/ NA
L. CLOSED
M. C12
N. 12345/ 7
O. 0.02 / 2 nm
P. AF302 1404A DENNIS OB 27
MAX FL WIND 101 KT NE QUAD 1944:20 Z
EXCELLENT RADAR PRESENTATION

[wxwatcher91]

I just dont get it!
Dennis is showing up awesome on satellite. pressure is down to 947mb
BUT WINDS ARE STILL REPORTED AT 105mph!

are they ever going to catch up???

[clfenwi]

PLANE: AF302
Observation Number: 29
Time: 2130
Position: 25.9 NOrth // 84.7 West
Sea Level Pressure: 962 millibars
925 millibar height: 346 meters
925 millibar winds: 112 knots // 055
850 millibar height: 1087 meters
850 millibar winds: 87 knots // 075
700 millibar height: 2757 meters
700 millibar winds: 105 knots // 100

[wxwatcher91]

947mb supports 125 to 130mph winds

944mb is cat 4 and 131mph is cat 4

[x-y-no]

I. 11 C/ 3055 m
J. 18 C/ 3049 m

So much for being subtropical.