NOAA mission: 5:42pm EDT sonde: 920mb, 9 knots of surface wind
Posted by
Chris in Tampa on 9/5/2017, 6:15 pm
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URNT12 KWBC 052157
VORTEX DATA MESSAGE AL112017
A. 05/21:38:37Z
B. 17 deg 04 min N
059 deg 54 min W
C. 700 mb 2399 m
D. 144 kt
E. 119 deg 9 nm
F. 223 deg 145 kt
G. 123 deg 11 nm
H. 920 mb
I. 10 C / 3062 m
J. 21 C / 3069 m
K. 14 C / NA
L. CLOSED
M. CO20-45
N. 12345 / 7
O. 0.02 / 1 nm
P. NOAA2 1011A IRMA OB 05
MAX OUTBOUND FL WIND AND MAX FL WIND 151 KT 313 / 17 NM 21:42:58Z
CNTR DROPSONDE SFC WIND 325 / 10 KTS
Product: NOAA Vortex Message (URNT12 KWBC)
Transmitted: 5th day of the month at 21:57Z
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: 05
A. Time of Center Fix: 5th day of the month at 21:38:37Z
B. Center Fix Coordinates: 17°04'N 59°54'W (17.0667N 59.9W)
B. Center Fix Location: 129 statute miles (207 km) to the E (92°) from Saint John's, Antigua and Barbuda.
C. Minimum Height at Standard Level: 2,399m (7,871ft) at 700mb
D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 144kts (~ 165.7mph)
E. Location of the Estimated Maximum Surface Wind Inbound: 9 nautical miles (10 statute miles) to the ESE (119°) of center fix
F. Maximum Flight Level Wind Inbound: From 223° at 145kts (From the SW at ~ 166.9mph)
G. Location of Maximum Flight Level Wind Inbound: 11 nautical miles (13 statute miles) to the ESE (123°) of center fix
H. Minimum Sea Level Pressure: 920mb (27.17 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 10°C (50°F) at a pressure alt. of 3,062m (10,046ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 21°C (70°F) at a pressure alt. of 3,069m (10,069ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 14°C (57°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: 700mb
O. Navigational Fix Accuracy: 0.02 nautical miles
O. Meteorological Accuracy: 1 nautical mile
Remarks Section:
Maximum Flight Level Outbound and Flight Level Wind: 151kts (~ 173.8mph) which was observed 17 nautical miles (20 statute miles) to the NW (313°) from the flight level center at 21:42:58Z
Dropsonde Surface Wind at Center: From 325° at 10kts (From the NW at 12mph) |
79
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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