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Vortex message for 7:53am CDT sonde

Posted by Chris in Tampa on 10/7/2017, 9:16 am
Message modified by board administrator on 10/7/2017, 9:33 am

Air Force

URNT12 KNHC 071312
A. 07/12:48:30Z
B. 25 deg 56 min N
088 deg 04 min W
C. 700 mb 2970 m
D. 38 kt
E. 280 deg 10 nm
F. 051 deg 33 kt
G. 296 deg 27 nm
H. 985 mb
I. 12 C / 3048 m
J. 15 C / 3039 m
K. 8 C / NA
M. C24

N. 12345 / 7
O. 0.02 / 1 nm
P. AF305 0816A NATE OB 07
MAX OUTBOUND AND MAX FL WIND 84 KT 091 / 27 NM 12:55:50Z

Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 7th day of the month at 13:12Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5305
Storm Number & Year: 16 in 2017
Storm Name: Nate (flight in the North Atlantic basin)
Mission Number: 8
Observation Number: 07
A. Time of Center Fix: 7th day of the month at 12:48:30Z
B. Center Fix Coordinates: 25°56'N 88°04'W (25.9333N 88.0667W)
B. Center Fix Location: 305 statute miles (490 km) to the SSE (156°) from New Orleans, LA, USA.
C. Minimum Height at Standard Level: 2,970m (9,744ft) at 700mb
D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 38kts (~ 43.7mph)
E. Location of the Estimated Maximum Surface Wind Inbound: 10 nautical miles (12 statute miles) to the W (280°) of center fix
F. Maximum Flight Level Wind Inbound: From 51° at 33kts (From the NE at ~ 38.0mph)
G. Location of Maximum Flight Level Wind Inbound: 27 nautical miles (31 statute miles) to the WNW (296°) of center fix
H. Minimum Sea Level Pressure: 985mb (29.09 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 12°C (54°F) at a pressure alt. of 3,048m (10,000ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 15°C (59°F) at a pressure alt. of 3,039m (9,970ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 8°C (46°F)
K. Sea Surface Temp (collected at same location as temp inside eye): Not Available
L. Eye Character: Open in the northwest, NW
M. Eye Shape & Diameter: Circular with a diameter of 24 nautical miles (28 statute miles)

N. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature
N. Fix Level: 700mb
O. Navigational Fix Accuracy: 0.02 nautical miles
O. Meteorological Accuracy: 1 nautical mile

Remarks Section:
Maximum Outbound and Flight Level Wind: 84kts (~ 96.7mph) which was observed 27 nautical miles (31 statute miles) to the E (91°) from the flight level center at 12:55:50Z
Dropsonde Surface Wind at Center: From 155° at 5kts (From the SSE at 6mph)

Air Force at 700mb level. Through 8:08am CDT.
NOAA at 750mb level. Through 8:04am CDT.

Last image from me. Recon continues:


In this thread:

7am CDT Saturday; 85mph; NNW at 22mph - Chris in Tampa, 10/7/2017, 7:52 am

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