UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110623.upa.cvt Date: 2300Z 6 NOV 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 6 NOV 25 Station: NFFN WMO ident: 91680 Latitude: -17.75 Longitude: 177.45 Elevation: 18.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1015 18 29.2 23.2 70 6.0 24.8 280 11 301.1 304.3 297.4 353.8 17.91 1 1000 141 27.4 21.4 70 6.0 23.1 315 12 300.5 303.5 296.3 348.2 16.25 2 925 827 21.8 20.2 91 1.6 20.7 20 7 301.6 304.6 296.5 349.7 16.32 3 904 1027 19.8 19.5 98 0.3 19.6 22 7 301.5 304.5 296.3 348.6 15.98 4 850 1557 16.4 15.0 91 1.4 15.5 30 5 303.3 305.7 294.6 341.1 12.72 5 821 1852 14.4 14.4 100 0.0 14.4 17 8 304.2 306.6 294.8 342.0 12.67 6 802 2050 13.4 13.2 99 0.2 13.3 9 9 305.2 307.4 294.6 341.1 11.98 7 788 2199 12.4 8.9 79 3.5 10.3 5 11 305.7 307.4 292.6 333.1 9.12 8 782 2263 13.6 5.6 58 8.0 8.9 5 11 307.6 309.0 291.7 329.9 7.31 9 755 2559 12.0 9.0 82 3.0 10.1 5 15 309.0 310.8 293.9 338.2 9.59 10 700 3191 9.0 4.5 73 4.5 6.3 5 20 312.5 313.9 293.3 335.9 7.57 11 691 3298 8.4 3.4 71 5.0 5.5 2 20 312.9 314.3 293.1 335.0 7.09 12 651 3789 4.6 3.9 95 0.7 4.2 346 19 314.0 315.5 293.9 338.4 7.80 13 607 4359 1.8 0.5 91 1.3 1.1 332 19 317.1 318.4 293.8 337.9 6.55 14 551 5138 -0.5 -6.5 64 6.0 -3.4 337 28 323.3 324.2 293.7 337.4 4.27 15 544 5241 -0.5 -14.5 34 14.0 -6.1 333 28 324.5 325.0 292.3 332.3 2.28 16 500 5910 -6.3 -25.3 21 19.0 -11.8 315 28 325.4 325.6 291.4 328.8 0.98 17 484 6162 -8.7 -25.7 24 17.0 -13.5 310 29 325.4 325.6 291.4 328.9 0.97 18 425 7154 -15.3 -31.3 24 16.0 -18.8 318 34 329.3 329.5 292.2 331.8 0.66 19 420 7243 -14.7 -36.7 14 22.0 -19.0 317 35 331.2 331.3 292.4 332.7 0.39 20 400 7610 -17.3 -40.3 12 23.0 -21.2 315 39 332.5 332.6 292.7 333.6 0.28 21 347 8661 -24.1 -52.1 6 28.0 -27.1 316 48 337.1 337.1 293.7 337.5 0.09 22 331 9003 -27.1 -40.1 28 13.0 -28.9 313 50 337.6 337.6 294.0 338.9 0.35 23 324 9157 -28.1 -54.1 6 26.0 -30.4 311 52 338.3 338.3 294.0 338.6 0.08 24 308 9519 -30.9 -49.9 14 19.0 -32.6 307 54 339.3 339.3 294.3 339.8 0.13 TRP WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 563.17 mb = 4968.80 m = 16301.63 ft Wetbulb zero: 593.49 mb = 4539.89 m = 14894.48 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 76.54 % Est. max temperature: 30.96 C = 87.73 F Sfc-Lift cond lev (LCL): 930.80 mb = 772.04 m = 2532.89 ft T: 22.25 C 700-500 lapse rate: 5.63 C/km ThetaE index: 12.02 C Layer 802.0- 755.0 mb Conv cond level (CCL): 905.64 mb = 1010.88 m = 3316.48 ft Mean mixing ratio: 16.39 g/kg Conv temperature: 29.67 C = 85.40 F Cap Strength: 0.46 C Lifted Index: -3.10 C Risk: Severe thunderstorms possible Lifted Index @700 mb: -1.39 C Showalter Index: 0.07 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 21.30 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 218.00 Risk: None Energy Index: -2.34 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 849.29 J/kg Max Up Vert Vel: 41.21 m/s Conv Inhibition (B-): 2.65 J/kg Cap Strength: 0.50 C Lift Cond Lev (LCL): 911.79 mb = 952.07 m = 3123.54 ft Lev Free Conv (LFC): 896.79 mb = 1095.61 m = 3594.48 ft Wind level data Storm motion: 15 at 13 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1015 18 280 11 10.8 -1.9 | 234 17 14.0 10.3 1 1000 141 315 12 8.5 -8.5 | 252 12 11.6 3.7 2 982 305 330 10 5.0 -8.7 | 247 9 8.2 3.5 3 948 610 10 8 -1.4 -7.9 | 202 5 1.8 4.3 4 925 827 20 7 -2.4 -6.6 | 188 6 0.8 5.6 5 916 914 20 7 -2.4 -6.6 | 188 6 0.8 5.6 6 853 1524 30 5 -2.5 -4.3 | 185 8 0.7 7.8 7 850 1557 30 5 -2.5 -4.3 | 185 8 0.7 7.8 8 794 2134 5 10 -0.9 -10.0 | 226 3 2.3 2.2 9 712 3048 5 20 -1.7 -19.9 | 350 8 1.4 -7.7 10 700 3191 5 20 -1.7 -19.9 | 350 8 1.4 -7.7 11 613 4267 330 18 9.0 -15.6 | 286 13 12.2 -3.4 12 568 4877 345 28 7.2 -27.0 | 325 18 10.4 -14.9 13 507 5791 315 28 19.8 -19.8 | 288 24 23.0 -7.6 14 500 5910 315 28 19.8 -19.8 | 288 24 23.0 -7.6 15 469 6401 305 30 24.6 -17.2 | 280 28 27.7 -5.0 16 450 6706 320 30 19.3 -23.0 | 296 25 22.4 -10.8 17 400 7610 315 39 27.6 -27.6 | 297 34 30.7 -15.4 18 367 8230 320 45 28.9 -34.5 | 305 39 32.1 -22.3 19 298 9754 305 56 45.9 -32.1 | 292 53 49.0 -19.9 Wind Parameters Mean winds (0-6000m): 344.5 at 16.8 knts Storm direction: 14.5 at 12.6 knts Shear (0-3000m) pos: 2.3 neg: 2.6 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 115.3 deg Storm rel helicity (0-3000m) pos: 25.8 neg: -10.4 tot: 15.4 m^2/s^2 ave: 5.1 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 1.2 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 99.73 Bulk Shear: 8.52 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 323 10 248 10| 12.8 0.0 12.8| 17.2 -5.9 11.3 22.7 0.08| 15.5 1.3 1000 345 9 237 7| 7.2 0.0 7.2| 17.2 -10.0 7.2 7.2 -0.10| 9.7 -1.0 1500 356 8 221 6| 4.6 0.0 4.6| 17.2 -10.4 6.8 4.5 -0.10| 7.1 -0.7 2000 1 8 213 5| 3.5 1.2 4.7| 19.4 -10.4 9.0 4.5 -0.02| 6.5 -0.1 2500 2 8 217 5| 2.8 2.0 4.8| 22.7 -10.4 12.3 4.9 0.15| 6.4 0.9 3000 3 10 228 4| 2.3 2.6 4.9| 25.8 -10.4 15.4 5.1 0.19| 6.3 1.2 4000 359 12 272 3| 1.7 2.0 3.8| 25.9 -30.9 -4.9 -1.2 -0.03| 5.9 -0.2 5000 353 14 293 5| 1.6 2.0 3.6| 62.7 -43.8 18.9 3.8 0.08| 6.3 0.5 6000 345 17 298 9| 1.3 2.1 3.4| 62.7-112.6 -49.9 -8.3 -0.10| 6.4 -0.6 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251106.23.gif