UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121011.upa.cvt Date: 1100Z 10 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 10 DEC 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 1011 18 25.6 21.8 80 3.8 22.9 30 9 297.8 300.8 295.7 345.6 16.48 1 1001 101 26.2 21.2 74 5.0 22.6 62 7 299.3 302.2 295.7 346.0 16.03 2 1000 109 26.0 21.1 74 4.9 22.5 65 7 299.1 302.1 295.7 345.7 15.95 3 980 287 26.0 19.0 65 7.0 21.1 60 10 300.9 303.5 295.0 342.7 14.25 4 925 794 22.4 18.0 76 4.4 19.4 25 15 302.2 304.8 295.3 344.1 14.18 5 850 1525 17.4 14.7 84 2.7 15.6 20 14 304.4 306.7 294.7 341.5 12.47 6 831 1718 16.0 14.9 93 1.1 15.3 42 11 304.9 307.3 295.1 343.5 12.93 7 747 2619 10.6 9.7 94 0.9 10.0 61 11 308.4 310.3 294.1 339.3 10.17 8 700 3160 8.2 7.9 98 0.3 8.0 25 18 311.6 313.4 294.6 341.1 9.60 9 690 3279 8.6 5.7 82 2.9 6.9 31 21 313.3 314.9 294.1 339.3 8.36 10 628 4050 2.6 2.6 100 0.0 2.6 28 19 315.0 316.4 293.9 338.1 7.37 11 562 4944 -1.3 -1.5 99 0.2 -1.4 355 24 320.6 321.7 294.4 340.3 6.11 12 500 5870 -5.5 -5.9 97 0.4 -5.7 330 27 326.3 327.3 295.0 342.7 4.93 13 405 7505 -13.9 -15.0 91 1.1 -14.3 322 36 335.7 336.3 295.7 346.0 2.95 14 400 7600 -15.1 -16.4 90 1.3 -15.6 320 36 335.4 335.9 295.4 344.7 2.66 15 343 8743 -22.9 -26.1 75 3.2 -23.7 327 27 339.8 340.1 295.4 344.7 1.33 16 300 9710 -30.3 -32.8 79 2.5 -30.7 310 38 342.7 342.8 295.7 345.7 0.81 17 295 9829 -30.9 -33.8 76 2.9 -31.4 308 42 343.5 343.6 295.8 346.3 0.74 18 283 10123 -33.5 -35.9 79 2.4 -33.8 304 53 343.8 344.0 295.8 346.3 0.63 19 281 10173 -33.9 -38.9 61 5.0 -34.6 303 55 344.0 344.1 295.7 345.8 0.47 20 267 10529 -37.1 -39.4 79 2.3 -37.4 297 61 344.4 344.5 295.8 346.2 0.47 21 250 10980 -40.9 -44.7 67 3.8 -41.2 290 57 345.3 345.3 295.8 346.4 0.29 22 215 11982 -49.9 -54.0 62 4.1 -50.1 283 56 346.5 346.5 296.0 347.0 0.12 23 200 12450 -53.1 -56.9 63 3.8 -53.2 270 76 348.7 348.7 296.4 349.0 0.09 24 194 12646 -55.0 -58.9 62 3.9 -55.1 270 84 348.6 348.6 296.4 348.9 0.07 25 189 12812 -56.7 -60.7 60 4.0 -56.8 270 84 348.6 348.6 296.4 348.8 0.06 26 184 12982 -57.3 -62.3 53 5.0 -57.4 269 82 350.3 350.3 296.7 350.5 0.05 27 182 13051 -57.3 -69.3 20 12.0 -57.5 269 81 351.4 351.4 297.0 351.5 0.02 28 173 13371 -59.3 -73.3 15 14.0 -59.5 268 78 353.2 353.2 297.3 353.3 0.01 29 150 14250 -66.7 -73.7 37 7.0 -66.8 265 69 355.2 355.2 297.7 355.2 0.01 30 133 14964 -73.3 -77.4 53 4.1 -73.3 270 65 355.9 355.9 297.9 355.9 0.01 31 127 15232 -75.7 -80.7 45 5.0 -75.7 272 62 356.3 356.3 298.0 356.3 0.00 32 123 15418 -73.5 -83.5 20 10.0 -73.5 274 60 363.5 363.5 299.4 363.6 0.00 33 103 16433 -81.3 -87.3 35 6.0 -81.3 286 67 367.5 367.5 300.1 367.5 0.00 34 100 16600 -79.7 -87.7 25 8.0 -79.7 270 50 373.7 373.7 301.2 373.7 0.00 35 86 17449 -82.3 -88.3 35 6.0 -82.3 280 29 385.0 385.0 303.1 385.0 0.00 36 72 18456 -77.1 -88.1 16 11.0 -77.1 295 12 416.1 416.1 307.3 416.1 0.00 TRP WND 194 12646 -55.0 -58.9 62 3.9 -55.1 270 84 348.6 348.6 296.4 348.9 0.07 Sounding variables and indices 1000-500 mb thick: 5761.00 m Freezing level: 584.00 mb = 4645.99 m = 15242.58 ft Wetbulb zero: 584.97 mb = 4621.54 m = 15162.33 ft Precipitable water: 2.33 inches Sfc-500 mean rel hum: 90.41 % Est. max temperature: 31.85 C = 89.33 F Sfc-Lift cond lev (LCL): 956.78 mb = 497.71 m = 1632.89 ft T: 24.51 C 700-500 lapse rate: 5.06 C/km ThetaE index: 4.15 C Layer 747.0- 700.0 mb Conv cond level (CCL): 844.51 mb = 1580.44 m = 5185.11 ft Mean mixing ratio: 14.57 g/kg Conv temperature: 32.32 C = 90.17 F Cap Strength: 2.14 C Lifted Index: -0.30 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.50 C Lifted Index @700 mb: -0.67 C Showalter Index: 0.63 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.20 C K Index: 37.30 Risk: > 80 % chance of thunderstorms Sweat Index: 231.40 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 136.88 J/kg Max Up Vert Vel: 16.55 m/s Conv Inhibition (B-): 57.80 J/kg Cap Strength: 2.14 C Lift Cond Lev (LCL): 887.39 mb = 1152.84 m = 3782.23 ft Lev Free Conv (LFC): 792.39 mb = 2120.29 m = 6956.25 ft Equ Level (EL): 682.39 mb = 3369.93 m = 11056.07 ft B at Equ Level: 34.38 J/kg Max Parcel Lev (MPL): 292.39 mb = 9892.22 m = 32454.40 ft Wind level data Storm motion: 44 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 1011 18 30 9 -4.5 -7.8 | 250 5 4.5 1.6 1 1000 109 65 7 -6.3 -3.0 | 202 7 2.6 6.5 2 978 305 60 10 -8.7 -5.0 | 184 4 0.3 4.4 3 945 610 30 13 -6.5 -11.3 | 306 3 2.5 -1.8 4 925 794 25 15 -6.3 -13.6 | 328 5 2.6 -4.2 5 912 914 25 15 -6.3 -13.6 | 328 5 2.6 -4.2 6 850 1524 20 15 -5.1 -14.1 | 320 6 3.8 -4.7 7 850 1525 20 14 -4.8 -13.2 | 312 6 4.2 -3.7 8 820 1829 55 10 -8.2 -5.7 | 192 4 0.8 3.7 9 791 2134 50 11 -8.4 -7.1 | 193 2 0.5 2.4 10 763 2438 75 10 -9.7 -2.6 | 174 7 -0.7 6.9 11 736 2743 50 11 -8.4 -7.1 | 193 2 0.5 2.4 12 709 3048 10 14 -2.4 -13.8 | 304 8 6.5 -4.3 13 700 3160 25 18 -7.6 -16.3 | 349 7 1.4 -6.9 14 683 3353 35 23 -13.2 -18.8 | 24 10 -4.2 -9.4 15 610 4267 25 17 -7.2 -15.4 | 343 6 1.8 -6.0 16 524 5486 330 29 14.5 -25.1 | 304 28 23.5 -15.7 17 500 5870 330 27 13.5 -23.4 | 302 26 22.5 -13.9 18 486 6096 330 26 13.0 -22.5 | 301 26 22.0 -13.1 19 467 6401 345 25 6.5 -24.1 | 314 21 15.4 -14.7 20 449 6706 335 33 13.9 -29.9 | 312 31 22.9 -20.5 21 400 7600 320 36 23.1 -27.6 | 299 37 32.1 -18.1 22 399 7620 320 36 23.1 -27.6 | 299 37 32.1 -18.1 23 383 7925 320 39 25.1 -29.9 | 301 40 34.0 -20.4 24 352 8534 335 28 11.8 -25.4 | 307 26 20.8 -15.9 25 324 9144 310 26 19.9 -16.7 | 284 30 28.9 -7.3 26 311 9449 320 34 21.9 -26.0 | 298 35 30.8 -16.6 27 300 9710 310 38 29.1 -24.4 | 291 41 38.1 -15.0 28 273 10363 300 62 53.7 -31.0 | 289 66 62.7 -21.6 29 250 10973 290 57 53.6 -19.5 | 279 63 62.5 -10.1 30 250 10980 290 57 53.6 -19.5 | 279 63 62.5 -10.1 31 218 11887 285 52 50.2 -13.5 | 274 59 59.2 -4.0 32 200 12450 270 76 76.0 -0.0 | 264 85 85.0 9.4 33 194 12646 270 84 84.0 -0.0 | 264 93 93.0 9.4 34 189 12802 270 84 84.0 -0.0 | 264 93 93.0 9.4 35 150 14250 265 69 68.7 6.0 | 259 79 77.7 15.5 36 133 14935 270 65 65.0 -0.0 | 263 75 74.0 9.4 37 120 15545 275 59 58.8 -5.1 | 266 68 67.8 4.3 38 114 15850 295 64 58.0 -27.0 | 285 69 67.0 -17.6 39 102 16459 285 67 64.7 -17.3 | 276 74 73.7 -7.9 40 100 16600 270 50 50.0 -0.0 | 261 60 59.0 9.4 41 97 16764 270 51 51.0 -0.0 | 261 61 60.0 9.4 42 92 17069 260 43 42.3 7.5 | 252 54 51.3 16.9 43 87 17374 270 30 30.0 -0.0 | 256 40 39.0 9.4 44 82 17678 315 23 16.3 -16.3 | 285 26 25.2 -6.8 45 78 17983 335 24 10.1 -21.8 | 303 23 19.1 -12.3 46 74 18288 345 12 3.1 -11.6 | 280 12 12.1 -2.1 47 70 18593 235 12 9.8 6.9 | 229 25 18.8 16.3 Wind Parameters Mean winds (0-6000m): 13.5 at 17.4 knts Storm direction: 43.5 at 13.0 knts Shear (0-3000m) pos: 2.0 neg: 2.9 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 54.4 deg Storm rel helicity (0-3000m) pos: 6.7 neg: -14.5 tot: -7.8 m^2/s^2 ave: -2.6 10^-3 m/s^2 rel: -0.06 Storm rel vorticity (0-3000m) horiz: 7.9 stream: -0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.58 Bulk Shear: 18.06 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 53 9 201 4| 3.6 0.0 3.6| 1.2 -8.9 -7.6 -15.2 -0.28| 13.4 -3.8 1000 37 12 270 2| 1.8 2.3 4.1| 3.3 -9.0 -5.7 -5.7 -0.05| 9.2 -0.5 1500 31 13 305 3| 1.2 1.8 3.0| 3.3 -9.8 -6.5 -4.3 -0.08| 6.5 -0.5 2000 33 13 296 2| 2.2 1.4 3.6| 3.3 -13.4 -10.1 -5.1 -0.26| 7.3 -1.9 2500 38 12 273 2| 2.4 1.1 3.5| 3.4 -14.5 -11.1 -4.5 -0.25| 7.0 -1.8 3000 39 12 267 1| 2.0 2.9 4.8| 6.7 -14.5 -7.8 -2.6 -0.06| 7.9 -0.5 4000 35 14 338 2| 2.1 2.2 4.4| 27.2 -22.4 4.8 1.2 0.07| 8.0 0.5 5000 29 15 338 4| 1.7 3.3 5.0| 27.2 -45.0 -17.8 -3.6 -0.04| 8.0 -0.3 6000 14 17 327 9| 1.4 3.3 4.7| 27.2 -94.0 -66.9 -11.1 -0.12| 7.8 -0.9 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251210.11.gif