UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121211.upa.cvt Date: 1100Z 12 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 12 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 25.0 24.0 94 1.0 24.3 150 3 297.2 300.6 297.1 352.0 18.90 1 1000 102 25.8 21.6 78 4.2 22.8 135 2 299.0 301.9 296.0 346.9 16.46 2 995 146 26.0 21.4 76 4.6 22.7 123 2 299.6 302.6 296.0 347.3 16.33 3 925 788 21.6 18.5 83 3.1 19.4 350 7 301.4 304.1 295.4 344.5 14.64 4 912 911 20.6 18.1 86 2.5 18.9 345 11 301.6 304.3 295.3 344.2 14.48 5 850 1518 17.2 14.5 84 2.7 15.4 320 8 304.2 306.4 294.5 340.8 12.31 6 749 2590 11.8 11.1 95 0.7 11.3 340 9 309.5 311.6 295.1 343.5 11.16 7 700 3156 9.4 6.3 81 3.1 7.5 250 7 312.9 314.5 294.2 339.5 8.59 8 692 3252 9.0 4.1 71 4.9 6.1 258 7 313.5 314.9 293.5 336.7 7.44 9 651 3757 6.2 3.1 81 3.1 4.4 298 7 315.8 317.3 294.1 339.0 7.37 10 601 4409 1.6 1.3 98 0.3 1.4 335 8 317.8 319.2 294.3 340.1 7.02 11 508 5754 -3.9 -7.0 79 3.1 -5.4 288 15 326.8 327.7 294.7 341.7 4.46 12 500 5880 -4.7 -7.4 81 2.7 -6.0 285 18 327.3 328.2 294.8 342.0 4.39 13 496 5943 -4.7 -8.9 72 4.2 -6.6 285 18 328.1 328.8 294.6 341.3 3.94 14 440 6873 -11.5 -11.5 100 0.0 -11.5 298 15 330.9 331.6 295.1 343.2 3.61 15 436 6943 -11.9 -12.0 99 0.1 -11.9 306 15 331.3 332.0 295.1 343.2 3.50 16 429 7067 -11.3 -13.7 82 2.4 -12.3 312 15 333.6 334.2 295.3 344.3 3.10 17 400 7600 -14.7 -18.0 76 3.3 -15.9 280 20 335.9 336.4 295.3 344.1 2.32 18 391 7772 -15.9 -17.8 85 1.9 -16.6 275 19 336.5 337.0 295.5 345.1 2.41 19 388 7830 -15.7 -22.7 55 7.0 -17.8 273 19 337.5 337.8 295.1 343.3 1.59 20 362 8347 -19.9 -28.9 45 9.0 -22.0 253 22 338.7 338.9 294.8 342.3 0.97 21 328 9070 -25.7 -28.2 79 2.5 -26.3 265 25 340.4 340.6 295.4 344.6 1.14 22 300 9710 -29.9 -33.2 73 3.3 -30.5 275 32 343.2 343.4 295.8 346.2 0.78 23 250 10990 -39.9 -43.4 69 3.5 -40.2 285 36 346.7 346.8 296.2 348.1 0.33 24 238 11323 -42.7 -46.4 67 3.7 -43.0 284 37 347.4 347.5 296.3 348.5 0.25 25 237 11352 -42.5 -46.2 67 3.7 -42.8 284 38 348.2 348.2 296.4 349.2 0.26 26 203 12374 -51.9 -56.6 57 4.7 -52.1 267 51 349.1 349.1 296.5 349.5 0.09 27 200 12470 -52.9 -56.8 62 3.9 -53.0 265 52 349.0 349.0 296.5 349.4 0.09 28 192 12732 -55.3 -58.6 67 3.3 -55.4 265 53 349.2 349.3 296.5 349.6 0.07 29 190 12799 -55.7 -57.8 77 2.1 -55.8 265 53 349.7 349.7 296.6 350.0 0.08 30 184 13003 -56.5 -70.5 16 14.0 -56.7 265 53 351.6 351.6 297.0 351.6 0.02 31 171 13464 -59.9 -65.9 45 6.0 -60.0 265 54 353.4 353.4 297.4 353.5 0.03 32 162 13800 -62.3 -75.3 16 13.0 -62.4 265 55 354.9 354.9 297.7 354.9 0.01 33 150 14270 -66.9 -76.9 23 10.0 -67.0 265 56 354.8 354.8 297.7 354.9 0.01 34 141 14639 -70.2 -76.4 39 6.2 -70.2 260 60 355.4 355.4 297.8 355.5 0.01 35 137 14809 -71.7 -76.2 51 4.5 -71.7 260 60 355.7 355.7 297.8 355.7 0.01 36 115 15818 -79.3 -82.2 62 2.9 -79.3 236 53 359.8 359.8 298.7 359.9 0.00 37 104 16382 -82.7 -87.5 43 4.8 -82.7 242 45 363.8 363.8 299.4 363.8 0.00 38 100 16600 -82.7 -87.7 42 5.0 -82.7 245 41 367.9 367.9 300.2 368.0 0.00 39 93 17003 -84.7 -87.9 57 3.2 -84.7 230 24 371.7 371.7 300.9 371.7 0.00 40 89 17246 -84.3 -87.2 60 2.9 -84.3 230 24 377.2 377.2 301.8 377.2 0.00 41 83 17632 -84.5 -88.2 52 3.7 -84.5 234 14 384.4 384.4 302.9 384.4 0.00 42 81 17768 -79.9 -86.9 30 7.0 -79.9 227 14 396.5 396.5 304.8 396.6 0.00 43 70 18600 -77.5 -88.5 15 11.0 -77.6 105 10 418.6 418.6 307.6 418.6 0.00 44 68 18768 -74.7 -87.7 12 13.0 -74.7 109 10 428.1 428.1 308.6 428.1 0.00 45 56 19917 -68.5 -89.5 3 21.0 -68.7 107 19 466.7 466.7 312.4 466.7 0.00 46 53 20248 -68.9 -89.9 3 21.0 -69.1 91 17 473.2 473.2 312.9 473.2 0.00 47 50 20600 -65.7 -89.7 2 24.0 -66.0 60 3 488.7 488.7 314.1 488.7 0.00 48 45 21247 -61.5 -88.5 2 27.0 -62.0 137 17 513.8 513.8 315.9 513.8 0.00 49 39 22138 -59.9 -87.9 1 28.0 -60.6 98 25 539.3 539.3 317.5 539.3 0.00 50 35 22809 -63.7 -88.7 2 25.0 -64.2 88 30 546.4 546.4 317.9 546.4 0.00 51 30 23760 -61.5 -88.5 2 27.0 -62.3 100 32 577.0 577.0 319.5 577.0 0.01 52 20 26320 -53.1 -85.1 1 32.0 -55.8 100 48 673.6 673.6 323.6 673.7 0.01 53 18 27002 -50.9 -83.9 1 33.0 -54.4 100 46 701.2 701.2 324.5 701.3 0.02 TRP 93 17003 -84.7 -87.9 57 3.2 -84.7 230 24 371.7 371.7 300.9 371.7 0.00 WND 141 14639 -70.2 -76.4 39 6.2 -70.2 260 60 355.4 355.4 297.8 355.5 0.01 Sounding variables and indices 1000-500 mb thick: 5778.00 m Freezing level: 573.95 mb = 4800.16 m = 15748.36 ft Wetbulb zero: 581.49 mb = 4672.86 m = 15330.73 ft Precipitable water: 2.31 inches Sfc-500 mean rel hum: 85.74 % Est. max temperature: 31.50 C = 88.70 F Sfc-Lift cond lev (LCL): 996.84 mb = 130.01 m = 426.54 ft T: 25.93 C 700-500 lapse rate: 5.18 C/km ThetaE index: 6.80 C Layer 700.0- 651.0 mb Conv cond level (CCL): 876.16 mb = 1256.68 m = 4122.93 ft Mean mixing ratio: 15.62 g/kg Conv temperature: 30.86 C = 87.55 F Cap Strength: 1.25 C Lifted Index: -0.33 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.61 C Lifted Index @700 mb: -0.11 C Showalter Index: 1.73 C Risk: Showers probable Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.20 C K Index: 33.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 208.00 Risk: None Energy Index: 0.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 134.31 J/kg Max Up Vert Vel: 16.39 m/s Conv Inhibition (B-): 28.49 J/kg Cap Strength: 1.25 C Lift Cond Lev (LCL): 911.61 mb = 914.66 m = 3000.82 ft Lev Free Conv (LFC): 786.61 mb = 2175.07 m = 7135.96 ft Equ Level (EL): 416.61 mb = 7290.04 m = 23917.16 ft B at Equ Level: 129.75 J/kg Max Parcel Lev (MPL): 216.61 mb = 11945.47 m = 39190.70 ft Wind level data Storm motion: 346 at 7 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 18 150 3 -1.5 2.6 | 161 10 -3.2 9.1 1 1000 102 135 2 -1.4 1.4 | 159 9 -3.1 7.9 2 977 305 80 4 -3.9 -0.7 | 136 8 -5.6 5.8 3 944 610 15 7 -1.8 -6.8 | 86 4 -3.5 -0.2 4 925 788 350 7 1.2 -6.9 | 52 1 -0.5 -0.4 5 912 914 345 11 2.8 -10.6 | 344 4 1.2 -4.1 6 850 1518 320 8 5.1 -6.1 | 263 3 3.5 0.4 7 849 1524 320 8 5.1 -6.1 | 263 3 3.5 0.4 8 790 2134 340 7 2.4 -6.6 | 274 1 0.7 -0.1 9 735 2743 340 10 3.4 -9.4 | 329 3 1.7 -2.9 10 700 3156 250 7 6.6 2.4 | 209 10 4.9 8.9 11 610 4267 340 7 2.4 -6.6 | 274 1 0.7 -0.1 12 566 4877 315 11 7.8 -7.8 | 282 6 6.1 -1.3 13 545 5182 280 12 11.8 -2.1 | 246 11 10.1 4.4 14 525 5486 305 16 13.1 -9.2 | 283 12 11.4 -2.7 15 506 5791 285 15 14.5 -3.9 | 258 13 12.8 2.6 16 500 5880 285 18 17.4 -4.7 | 263 16 15.7 1.9 17 486 6096 285 18 17.4 -4.7 | 263 16 15.7 1.9 18 467 6401 320 14 9.0 -10.7 | 300 8 7.3 -4.2 19 449 6706 280 16 15.8 -2.8 | 255 15 14.1 3.7 20 432 7010 315 15 10.6 -10.6 | 295 10 8.9 -4.1 21 400 7600 280 20 19.7 -3.5 | 260 18 18.0 3.1 22 383 7925 270 19 19.0 -0.0 | 249 19 17.3 6.5 23 352 8534 245 24 21.8 10.1 | 230 26 20.1 16.7 24 311 9449 280 26 25.6 -4.5 | 265 24 23.9 2.0 25 300 9710 275 32 31.9 -2.8 | 263 30 30.2 3.7 26 298 9754 270 33 33.0 -0.0 | 258 32 31.3 6.5 27 273 10363 290 30 28.2 -10.3 | 278 27 26.5 -3.7 28 250 10990 285 36 34.8 -9.3 | 275 33 33.1 -2.8 29 239 11278 285 37 35.7 -9.6 | 275 34 34.1 -3.1 30 200 12470 265 52 51.8 4.5 | 258 51 50.1 11.1 31 199 12497 265 52 51.8 4.5 | 258 51 50.1 11.1 32 150 14270 265 56 55.8 4.9 | 258 55 54.1 11.4 33 141 14639 260 60 59.1 10.4 | 254 60 57.4 16.9 34 134 14935 260 60 59.1 10.4 | 254 60 57.4 16.9 35 114 15850 235 53 43.4 30.4 | 228 56 41.7 36.9 36 100 16600 245 41 37.2 17.3 | 236 43 35.5 23.9 37 97 16764 245 41 37.2 17.3 | 236 43 35.5 23.9 38 93 17003 230 24 18.4 15.4 | 217 28 16.7 22.0 39 87 17374 230 24 18.4 15.4 | 217 28 16.7 22.0 40 82 17678 235 13 10.6 7.5 | 213 17 9.0 14.0 41 78 17983 210 15 7.5 13.0 | 197 20 5.8 19.5 42 74 18288 145 4 -2.3 3.3 | 158 11 -4.0 9.8 43 70 18593 100 14 -13.8 2.4 | 120 18 -15.5 9.0 44 70 18600 105 10 -9.7 2.6 | 129 15 -11.3 9.1 45 63 19202 120 10 -8.7 5.0 | 138 15 -10.3 11.5 46 60 19507 140 11 -7.1 8.4 | 150 17 -8.8 15.0 47 57 19812 115 18 -16.3 7.6 | 128 23 -18.0 14.1 48 54 20117 95 20 -19.9 1.7 | 111 23 -21.6 8.3 49 52 20422 85 14 -13.9 -1.2 | 109 17 -15.6 5.3 50 50 20600 60 3 -2.6 -1.5 | 140 7 -4.3 5.0 51 47 21031 130 10 -7.7 6.4 | 144 16 -9.3 13.0 52 44 21336 140 19 -12.2 14.6 | 147 25 -13.9 21.1 53 42 21641 95 20 -19.9 1.7 | 111 23 -21.6 8.3 54 40 21946 85 20 -19.9 -1.7 | 102 22 -21.6 4.8 55 38 22250 105 28 -27.0 7.2 | 116 32 -28.7 13.8 56 36 22555 100 37 -36.4 6.4 | 109 40 -38.1 12.9 57 35 22860 85 28 -27.9 -2.4 | 98 30 -29.6 4.1 58 31 23470 105 27 -26.1 7.0 | 116 31 -27.8 13.5 59 30 23760 100 32 -31.5 5.6 | 110 35 -33.2 12.1 60 25 24994 95 35 -34.9 3.1 | 105 38 -36.6 9.6 61 24 25298 90 51 -51.0 0.0 | 97 53 -52.7 6.5 62 20 26320 100 48 -47.3 8.3 | 107 51 -49.0 14.9 63 15 27432 100 43 -42.3 7.5 | 108 46 -44.0 14.0 Wind Parameters Mean winds (0-6000m): 315.5 at 9.0 knts Storm direction: 345.5 at 6.7 knts Shear (0-3000m) pos: 0.5 neg: 2.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 69.7 deg Storm rel helicity (0-3000m) pos: 0.8 neg: -32.9 tot: -32.2 m^2/s^2 ave: -10.7 10^-3 m/s^2 rel: -0.62 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.81 Bulk Shear: 17.20 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 77 4 137 8| 0.0 8.1 8.1| 0.0 -14.7 -14.7 -29.4 -0.81| 9.2 -7.5 1000 14 6 103 3| 0.0 6.9 6.9| 0.0 -18.7 -18.7 -18.7 -0.68| 9.8 -6.7 1500 352 7 58 1| 0.0 3.8 3.8| 0.0 -22.3 -22.3 -14.9 -0.73| 8.0 -5.9 2000 345 7 332 0| 0.6 2.8 3.4| 0.2 -22.3 -22.1 -11.0 -0.65| 6.6 -4.3 2500 343 7 319 1| 0.6 2.3 2.9| 0.6 -22.3 -21.7 -8.7 -0.56| 5.7 -3.2 3000 340 8 304 1| 0.5 2.0 2.5| 0.8 -32.9 -32.2 -10.7 -0.62| 6.6 -4.1 4000 328 7 266 2| 1.0 1.4 2.4| 8.3 -39.9 -31.6 -7.9 -0.45| 6.4 -2.9 5000 327 8 270 3| 1.0 1.7 2.7| 8.8 -45.1 -36.4 -7.3 -0.40| 6.3 -2.5 6000 316 9 269 5| 1.0 1.8 2.8| 29.7 -64.8 -35.1 -5.9 -0.31| 6.6 -2.1 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251212.11.gif