6:48pm EDT: 917mb sonde, 5 knots of surface wind (NOAA mission)
Posted by
Chris in Tampa on 9/5/2017, 7:12 pm
URNT12 KWBC 052302
VORTEX DATA MESSAGE AL112017
A. 05/22:45:25Z
B. 17 deg 07 min N
060 deg 08 min W
C. NA
D. 137 kt
E. 255 deg 9 nm
F. 331 deg 138 kt
G. 252 deg 11 nm
H. 917 mb
I. 14 C / 2447 m
J. 24 C / 2454 m
K. 18 C / NA
L. CLOSED
M. CO20-45
N. 12345 / NA
O. 0.02 / 1 nm
P. NOAA2 1011A IRMA OB 12
MAX OUTBOUND FL WIND AND MAX FL WIND 156 KT 060 / 13 NM 22:48:32Z
CNTR DROPSONDE SFC WIND 080 / 05 KTS
Product: NOAA Vortex Message (URNT12 KWBC)
Transmitted: 5th day of the month at 23:02Z
Agency: National Oceanic and Atmospheric Administration (NOAA)
Aircraft: Lockheed WP-3D Orion (Reg. Num. N42RF)
Storm Number & Year: 11 in 2017
Storm Name: Irma (flight in the North Atlantic basin)
Mission Number: 10
Observation Number: 12
A. Time of Center Fix: 5th day of the month at 22:45:25Z
B. Center Fix Coordinates: 17°07'N 60°08'W (17.1167N 60.1333W)
B. Center Fix Location: 113 statute miles (182 km) to the E (90°) from Saint John's, Antigua and Barbuda.
C. Minimum Height at Standard Level: Not Available
D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 137kts (~ 157.7mph)
E. Location of the Estimated Maximum Surface Wind Inbound: 9 nautical miles (10 statute miles) to the WSW (255°) of center fix
F. Maximum Flight Level Wind Inbound: From 331° at 138kts (From the NNW at ~ 158.8mph)
G. Location of Maximum Flight Level Wind Inbound: 11 nautical miles (13 statute miles) to the WSW (252°) of center fix
H. Minimum Sea Level Pressure: 917mb (27.08 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 14°C (57°F) at a pressure alt. of 2,447m (8,028ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 24°C (75°F) at a pressure alt. of 2,454m (8,051ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 18°C (64°F)
K. Sea Surface Temp (collected at same location as temp inside eye): Not Available
L. Eye Character: Closed
M. Eye Shape: Concentric (has an inner and outer eye)
M. Inner Eye Diameter: 20 nautical miles (23 statute miles)
M. Outer Eye Diameter: 45 nautical miles (52 statute miles)
N. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature
N. Fix Level: Other - Not surface, 1500ft, 925mb, 850mb, 700mb, 500mb, 400mb, 300mb or 200mb
O. Navigational Fix Accuracy: 0.02 nautical miles
O. Meteorological Accuracy: 1 nautical mile
Remarks Section:
Maximum Flight Level Outbound and Flight Level Wind: 156kts (~ 179.5mph) which was observed 13 nautical miles (15 statute miles) to the ENE (60°) from the flight level center at 22:48:32Z
Dropsonde Surface Wind at Center: From 80° at 5kts (From the E at 6mph) |
80
In this thread:
5pm AST Tues: 185mph; 926mb; W at 15mph; Potentially catastrophic cat 5 heading toward Leewards -
tvsteve,
9/5/2017, 5:20 pm- 6:48pm EDT: 917mb sonde, 5 knots of surface wind (NOAA mission) - Chris in Tampa, 9/5/2017, 7:12 pm
- Radar - Chris in Tampa, 9/5/2017, 6:15 pm
- NOAA mission: 5:42pm EDT sonde: 920mb, 9 knots of surface wind - Chris in Tampa, 9/5/2017, 6:15 pm
- Re: 5pm AST Tues: 185mph; 926mb; W at 15mph; Potentially catastrophic cat 5 heading toward Leewards - Chris in Tampa, 9/5/2017, 5:55 pm
- 5pm-Tropical-Storm-Force winds have arrived on the islands of Antigua and Barbuda - tvsteve, 9/5/2017, 5:23 pm
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