UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121611.upa.cvt Date: 1100Z 16 DEC 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 16 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 1012 18 24.8 22.7 88 2.1 23.3 150 3 296.9 300.1 296.0 347.3 17.41 1 1009 43 24.8 23.1 90 1.7 23.6 140 4 297.2 300.4 296.4 349.1 17.91 2 1000 117 25.4 22.4 83 3.0 23.2 110 8 298.5 301.7 296.4 348.9 17.30 3 997 143 26.0 22.3 80 3.7 23.3 109 8 299.4 302.6 296.6 349.8 17.25 4 925 800 21.8 19.8 88 2.0 20.4 120 3 301.6 304.5 296.3 348.5 15.91 5 850 1531 17.8 15.1 84 2.7 16.0 210 5 304.8 307.2 295.0 343.0 12.80 6 700 3172 9.2 5.6 78 3.6 7.1 165 4 312.7 314.2 293.9 338.0 8.18 7 676 3460 7.0 5.0 87 2.0 5.8 153 8 313.3 314.9 294.0 338.6 8.12 8 644 3858 5.0 -2.0 60 7.0 1.4 148 9 315.5 316.4 292.2 331.8 5.13 9 628 4063 4.0 -0.4 73 4.4 1.7 151 8 316.6 317.7 293.2 335.4 5.93 10 599 4447 2.2 -11.8 35 14.0 -3.7 168 9 318.8 319.3 291.0 327.4 2.58 11 568 4874 -1.3 -11.3 46 10.0 -5.5 204 16 319.6 320.1 291.4 329.0 2.84 12 563 4944 0.4 -32.6 6 33.0 -8.2 201 15 322.4 322.5 290.0 324.0 0.44 13 553 5088 -0.3 -19.3 22 19.0 -7.0 189 14 323.2 323.5 291.3 328.4 1.50 14 543 5234 0.0 -44.0 2 44.0 -9.1 181 13 325.3 325.3 290.5 325.8 0.14 15 500 5890 -4.9 -46.9 2 42.0 -12.5 190 16 327.1 327.1 291.0 327.5 0.11 16 477 6257 -6.7 -27.7 17 21.0 -12.5 177 14 329.3 329.4 292.3 332.3 0.82 17 400 7600 -16.3 -53.3 3 37.0 -20.9 210 20 333.8 333.8 292.8 334.1 0.07 18 390 7791 -17.5 -53.5 3 36.0 -21.8 220 19 334.7 334.7 293.0 334.9 0.07 19 378 8025 -18.5 -37.5 17 19.0 -22.0 234 18 336.3 336.4 293.8 337.9 0.40 20 373 8124 -19.5 -28.5 45 9.0 -21.7 240 18 336.3 336.5 294.3 339.9 0.98 21 370 8184 -19.9 -29.9 41 10.0 -22.2 243 18 336.5 336.7 294.3 339.8 0.86 22 368 8225 -19.7 -50.7 5 31.0 -23.5 246 17 337.3 337.4 293.7 337.7 0.10 23 367 8245 -19.9 -46.9 7 27.0 -23.6 247 17 337.3 337.4 293.8 337.9 0.15 24 336 8893 -26.1 -40.1 26 14.0 -28.1 262 23 337.5 337.6 294.0 338.8 0.35 25 314 9383 -27.9 -52.9 7 25.0 -30.3 283 21 341.6 341.6 294.8 341.9 0.09 26 310 9475 -27.9 -55.9 5 28.0 -30.3 288 19 342.8 342.8 295.1 343.1 0.06 27 300 9710 -29.9 -52.9 9 23.0 -32.0 270 31 343.2 343.3 295.2 343.6 0.09 28 250 10980 -39.5 -58.5 12 19.0 -40.5 280 46 347.3 347.4 296.1 347.6 0.06 29 232 11488 -43.9 -57.9 20 14.0 -44.6 280 51 348.2 348.2 296.3 348.4 0.07 30 229 11575 -44.1 -53.1 36 9.0 -44.6 280 54 349.2 349.2 296.5 349.7 0.12 31 224 11723 -45.5 -50.5 57 5.0 -45.8 281 53 349.2 349.3 296.6 349.9 0.17 32 214 12027 -47.9 -52.7 58 4.8 -48.1 285 52 350.1 350.1 296.8 350.6 0.13 33 200 12470 -51.7 -56.7 55 5.0 -51.9 290 50 350.9 350.9 296.9 351.3 0.09 34 181 13106 -57.5 -60.8 66 3.3 -57.6 290 51 351.6 351.6 297.0 351.9 0.06 35 171 13461 -60.5 -66.5 45 6.0 -60.6 290 52 352.4 352.4 297.2 352.5 0.03 36 155 14063 -66.1 -71.1 49 5.0 -66.1 289 55 352.9 352.9 297.3 353.0 0.02 37 150 14260 -67.7 -73.7 42 6.0 -67.7 280 59 353.5 353.5 297.4 353.5 0.01 38 140 14674 -70.2 -76.4 40 6.2 -70.2 275 64 356.2 356.2 298.0 356.2 0.01 39 105 16344 -80.5 -87.5 30 7.0 -80.5 290 39 367.0 367.0 300.0 367.0 0.00 40 100 16620 -79.7 -87.7 25 8.0 -79.7 260 32 373.7 373.7 301.2 373.7 0.00 41 79 17946 -82.7 -88.7 35 6.0 -82.7 320 10 393.6 393.6 304.3 393.6 0.00 42 72 18468 -79.5 -88.5 21 9.0 -79.5 241 8 411.0 411.0 306.6 411.0 0.00 43 70 18630 -75.3 -88.3 11 13.0 -75.3 185 6 423.3 423.3 308.1 423.3 0.00 44 68 18798 -73.3 -87.3 10 14.0 -73.3 159 9 431.1 431.1 309.0 431.1 0.00 45 61 19437 -70.5 -89.5 4 19.0 -70.6 60 14 451.0 451.0 311.0 451.0 0.00 46 50 20620 -68.7 -90.7 3 22.0 -68.9 100 12 481.6 481.6 313.6 481.6 0.00 47 40 21962 -68.1 -91.1 2 23.0 -68.4 98 24 514.8 514.8 315.9 514.8 0.00 48 31 23534 -58.3 -89.3 1 31.0 -59.4 74 30 580.2 580.2 319.7 580.3 0.00 49 30 23740 -59.1 -89.1 1 30.0 -60.1 85 28 583.5 583.5 319.8 583.6 0.00 50 29 23952 -59.5 -89.5 1 30.0 -60.5 87 28 588.1 588.1 320.0 588.1 0.00 51 20 26320 -50.5 -85.5 1 35.0 -53.8 85 33 681.6 681.6 323.8 681.7 0.01 52 18 27009 -49.5 -85.5 1 36.0 -53.4 82 33 705.6 705.6 324.6 705.7 0.01 53 18 27009 -49.9 -85.9 1 36.0 -53.7 82 33 704.3 704.3 324.6 704.4 0.01 TRP 105 16344 -80.5 -87.5 30 7.0 -80.5 290 39 367.0 367.0 300.0 367.0 0.00 WND 140 14674 -70.2 -76.4 40 6.2 -70.2 275 64 356.2 356.2 298.0 356.2 0.01 Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 579.51 mb = 4714.95 m = 15468.80 ft Freezing level: 564.18 mb = 4927.66 m = 16166.68 ft Freezing level: 557.29 mb = 5026.47 m = 16490.85 ft Freezing level: 543.00 mb = 5234.35 m = 17172.87 ft Freezing level: 543.00 mb = 5234.35 m = 17172.87 ft Wetbulb zero: 618.97 mb = 4180.53 m = 13715.49 ft Precipitable water: 1.94 inches Sfc-500 mean rel hum: 62.95 % Est. max temperature: 32.15 C = 89.88 F Sfc-Lift cond lev (LCL): 981.90 mb = 277.19 m = 909.40 ft T: 25.14 C 700-500 lapse rate: 5.19 C/km ThetaE index: 11.75 C Layer 925.0- 676.0 mb Conv cond level (CCL): 886.62 mb = 1166.34 m = 3826.53 ft Mean mixing ratio: 16.59 g/kg Conv temperature: 31.09 C = 87.96 F Cap Strength: 1.27 C Lifted Index: -1.58 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.97 C Lifted Index @700 mb: -1.13 C Showalter Index: 0.68 C Risk: Thunderstorms probable Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.00 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 207.20 Risk: None Energy Index: -2.89 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 544.59 J/kg Max Up Vert Vel: 33.00 m/s Conv Inhibition (B-): 24.22 J/kg Cap Strength: 1.27 C Lift Cond Lev (LCL): 924.51 mb = 804.59 m = 2639.71 ft Lev Free Conv (LFC): 809.51 mb = 1943.52 m = 6376.31 ft Equ Level (EL): 249.51 mb = 10993.35 m = 36066.99 ft B at Equ Level: 543.30 J/kg Max Parcel Lev (MPL): 119.51 mb = 15592.27 m = 51155.12 ft Wind level data Storm motion: 210 at 6 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 1012 18 150 3 -1.5 2.6 | 57 6 -4.7 -3.0 1 1000 117 110 8 -7.5 2.7 | 75 11 -10.7 -2.9 2 979 305 105 9 -8.7 2.3 | 75 12 -11.9 -3.3 3 945 610 95 3 -3.0 0.3 | 49 8 -6.2 -5.4 4 925 800 120 3 -2.6 1.5 | 55 7 -5.8 -4.1 5 913 914 145 4 -2.3 3.3 | 67 6 -5.5 -2.4 6 851 1524 210 5 2.5 4.3 | 29 1 -0.7 -1.3 7 850 1531 210 5 2.5 4.3 | 29 1 -0.7 -1.3 8 792 2134 220 10 6.4 7.7 | 238 4 3.2 2.0 9 710 3048 165 4 -1.0 3.9 | 67 5 -4.3 -1.8 10 700 3172 165 4 -1.0 3.9 | 67 5 -4.3 -1.8 11 659 3658 145 11 -6.3 9.0 | 110 10 -9.5 3.4 12 611 4267 155 6 -2.5 5.4 | 88 6 -5.8 -0.2 13 567 4877 205 16 6.8 14.5 | 202 10 3.5 8.9 14 546 5182 180 13 0.0 13.0 | 156 8 -3.2 7.4 15 500 5890 190 16 2.8 15.8 | 177 10 -0.4 10.1 16 487 6096 190 15 2.6 14.8 | 176 9 -0.6 9.1 17 468 6401 165 13 -3.4 12.6 | 136 10 -6.6 6.9 18 450 6706 185 13 1.1 13.0 | 164 8 -2.1 7.3 19 432 7010 195 13 3.4 12.6 | 181 7 0.1 6.9 20 400 7600 210 20 10.0 17.3 | 210 14 6.8 11.7 21 399 7620 210 20 10.0 17.3 | 210 14 6.8 11.7 22 352 8534 265 16 15.9 1.4 | 288 13 12.7 -4.2 23 324 9144 260 29 28.6 5.0 | 271 25 25.3 -0.6 24 311 9449 290 18 16.9 -6.2 | 311 18 13.7 -11.8 25 300 9710 270 31 31.0 -0.0 | 281 28 27.8 -5.6 26 273 10363 270 47 47.0 -0.0 | 277 44 43.8 -5.6 27 250 10980 280 46 45.3 -8.0 | 288 44 42.1 -13.6 28 239 11278 280 46 45.3 -8.0 | 288 44 42.1 -13.6 29 228 11582 280 54 53.2 -9.4 | 287 52 50.0 -15.0 30 200 12470 290 50 47.0 -17.1 | 297 49 43.8 -22.7 31 190 12802 290 50 47.0 -17.1 | 297 49 43.8 -22.7 32 156 14021 290 54 50.7 -18.5 | 297 53 47.5 -24.1 33 150 14260 280 59 58.1 -10.2 | 286 57 54.9 -15.9 34 140 14674 275 64 63.8 -5.6 | 280 62 60.5 -11.2 35 134 14935 275 64 63.8 -5.6 | 280 62 60.5 -11.2 36 127 15240 265 62 61.8 5.4 | 270 59 58.5 -0.2 37 108 16154 300 45 39.0 -22.5 | 308 45 35.7 -28.1 38 105 16344 290 39 36.6 -13.3 | 300 38 33.4 -19.0 39 103 16459 300 40 34.6 -20.0 | 309 41 31.4 -25.6 40 100 16620 260 32 31.5 5.6 | 270 28 28.3 -0.1 41 97 16764 260 32 31.5 5.6 | 270 28 28.3 -0.1 42 92 17069 255 22 21.3 5.7 | 270 18 18.0 0.1 43 87 17374 235 12 9.8 6.9 | 259 7 6.6 1.3 44 79 17983 325 10 5.7 -8.2 | 350 14 2.5 -13.8 45 74 18288 305 10 8.2 -5.7 | 336 12 5.0 -11.4 46 70 18630 185 6 0.5 6.0 | 97 3 -2.7 0.3 47 67 18898 145 10 -5.7 8.2 | 106 9 -9.0 2.6 48 60 19507 50 14 -10.7 -9.0 | 44 20 -13.9 -14.6 49 57 19812 40 10 -6.4 -7.7 | 36 16 -9.6 -13.3 50 54 20117 75 10 -9.7 -2.6 | 57 15 -12.9 -8.2 51 52 20422 105 11 -10.6 2.8 | 79 14 -13.8 -2.8 52 50 20620 100 12 -11.8 2.1 | 77 15 -15.0 -3.5 53 49 20726 115 17 -15.4 7.2 | 95 19 -18.6 1.6 54 47 21031 80 13 -12.8 -2.3 | 64 18 -16.0 -7.9 55 44 21336 105 21 -20.3 5.4 | 90 24 -23.5 -0.2 56 38 22250 95 25 -24.9 2.2 | 83 28 -28.1 -3.5 57 35 22860 105 25 -24.1 6.5 | 92 27 -27.4 0.8 58 31 23470 70 31 -29.1 -10.6 | 63 36 -32.4 -16.2 59 30 23740 85 28 -27.9 -2.4 | 75 32 -31.1 -8.1 60 27 24384 90 29 -29.0 0.0 | 80 33 -32.2 -5.6 61 26 24689 80 31 -30.5 -5.4 | 72 36 -33.8 -11.0 62 22 25603 100 32 -31.5 5.6 | 90 35 -34.7 -0.1 63 20 26213 80 39 -38.4 -6.8 | 73 43 -41.6 -12.4 64 20 26320 85 33 -32.9 -2.9 | 77 37 -36.1 -8.5 65 15 27432 75 32 -30.9 -8.3 | 68 37 -34.1 -13.9 Wind Parameters Mean winds (0-6000m): 179.8 at 8.6 knts Storm direction: 209.8 at 6.5 knts Shear (0-3000m) pos: 2.1 neg: 1.9 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 12.4 deg Storm rel helicity (0-3000m) pos: 9.5 neg: -18.3 tot: -8.8 m^2/s^2 ave: -2.9 10^-3 m/s^2 rel: -0.29 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -1.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 46.26 Bulk Shear: 11.77 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 ------------------------------------------------------------------------------- 500 107 7 71 11| 0.0 3.9 3.9| 5.0 -9.1 -4.1 -8.1 -0.05| 11.5 -0.6 1000 112 5 66 9| 2.3 1.9 4.2| 9.3 -12.1 -2.8 -2.8 0.03| 8.7 0.2 1500 131 5 72 7| 2.8 1.3 4.1| 9.5 -12.9 -3.4 -2.3 -0.04| 7.3 -0.3 2000 160 6 86 5| 3.1 1.0 4.1| 9.5 -13.2 -3.7 -1.9 -0.11| 6.6 -0.7 2500 180 6 101 3| 2.5 1.4 3.9| 9.5 -15.5 -6.0 -2.4 -0.21| 6.3 -1.3 3000 183 6 101 3| 2.1 1.9 4.0| 9.5 -18.3 -8.8 -2.9 -0.29| 6.0 -1.7 4000 171 7 102 4| 1.6 1.7 3.3| 16.0 -21.0 -5.0 -1.3 -0.16| 5.8 -0.9 5000 176 7 116 4| 2.3 1.4 3.6| 36.7 -28.3 8.4 1.7 0.02| 6.4 0.1 6000 180 9 133 4| 2.0 1.3 3.4| 44.2 -36.0 8.2 1.4 0.01| 6.0 0.1 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251216.11.gif