UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042911.upa.cvt Date: 1100Z 29 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 29 APR 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 25.4 22.9 86 2.5 23.6 110 6 297.3 300.5 296.3 348.2 17.58 1 1013 34 25.8 23.8 89 2.0 24.3 100 6 297.8 301.2 297.1 352.0 18.63 2 1006 91 26.8 22.9 79 3.9 24.0 65 7 299.4 302.7 296.9 351.3 17.74 3 1000 141 26.8 23.2 81 3.6 24.2 35 8 300.0 303.3 297.3 353.3 18.19 4 925 828 22.6 17.6 73 5.0 19.1 25 9 302.4 305.0 295.1 343.3 13.82 5 916 913 22.4 14.4 61 8.0 17.1 15 10 303.1 305.2 293.5 336.7 11.33 6 890 1164 20.2 18.0 87 2.2 18.7 25 10 303.3 306.0 296.0 347.1 14.75 7 850 1561 18.8 11.8 64 7.0 14.3 30 10 305.8 307.8 293.5 336.7 10.28 8 820 1870 18.0 7.0 49 11.0 11.3 347 9 308.2 309.6 292.2 331.6 7.68 9 795 2134 16.6 7.6 55 9.0 11.1 311 9 309.4 311.0 293.0 334.7 8.27 10 757 2550 12.8 11.8 94 1.0 12.1 276 6 309.6 311.8 295.5 344.9 11.57 11 748 2650 12.2 11.7 97 0.5 11.9 268 5 310.1 312.3 295.6 345.6 11.63 12 724 2924 12.2 2.2 50 10.0 6.6 264 5 313.0 314.1 292.4 332.4 6.20 13 704 3158 10.0 8.3 89 1.7 8.9 269 6 313.0 314.9 295.1 343.4 9.81 14 700 3206 10.4 2.4 58 8.0 5.9 270 6 314.0 315.2 292.9 334.4 6.51 15 695 3266 10.4 0.4 50 10.0 4.9 269 6 314.6 315.7 292.4 332.6 5.67 16 682 3423 9.8 -3.2 40 13.0 3.1 268 6 315.7 316.5 291.7 329.8 4.43 17 675 3509 9.2 -3.8 40 13.0 2.6 267 7 315.9 316.8 291.6 329.7 4.28 18 608 4367 2.4 -3.6 65 6.0 -0.6 256 9 317.7 318.6 292.6 333.2 4.82 19 586 4664 0.4 -8.6 51 9.0 -3.6 252 14 318.7 319.4 291.7 329.9 3.41 20 578 4775 -0.7 -1.2 96 0.5 -1.0 263 17 318.7 319.9 293.9 338.1 6.08 21 561 5013 -1.5 -5.4 75 3.9 -3.4 269 20 320.5 321.4 293.2 335.3 4.56 22 558 5056 -1.7 -10.7 50 9.0 -5.5 267 20 320.7 321.3 291.9 330.8 3.03 23 555 5099 -1.7 -5.7 74 4.0 -3.6 265 20 321.2 322.1 293.3 336.0 4.51 24 551 5157 -0.7 -16.7 29 16.0 -6.7 262 20 323.1 323.5 291.6 329.5 1.88 25 547 5215 -0.3 -23.3 16 23.0 -7.7 259 19 324.2 324.4 291.2 328.0 1.07 26 537 5363 -1.1 -15.1 34 14.0 -6.6 252 19 325.0 325.4 292.4 332.5 2.20 27 526 5528 -1.9 -20.9 22 19.0 -8.4 245 19 326.0 326.2 291.9 330.8 1.37 28 522 5589 -2.7 -8.7 63 6.0 -5.4 246 19 325.7 326.5 293.9 338.4 3.80 29 518 5650 -3.1 -8.0 69 4.9 -5.4 247 19 325.9 326.7 294.2 339.4 4.04 30 506 5836 -4.7 -8.3 76 3.6 -6.4 249 19 326.2 327.0 294.3 339.7 4.04 31 502 5898 -4.7 -7.5 81 2.8 -6.0 250 19 326.9 327.8 294.7 341.4 4.34 32 500 5930 -4.5 -8.5 74 4.0 -6.4 250 19 327.6 328.4 294.6 341.1 4.03 33 483 6201 -5.9 -25.9 19 20.0 -11.8 253 18 329.1 329.3 292.4 332.5 0.96 34 476 6314 -6.9 -17.9 41 11.0 -10.8 254 18 329.2 329.6 293.3 336.1 1.97 35 467 6463 -6.9 -29.9 14 23.0 -13.0 253 19 331.0 331.2 292.7 333.6 0.68 36 436 6994 -9.7 -43.7 4 34.0 -15.9 238 24 334.0 334.1 293.0 334.8 0.18 37 400 7650 -15.1 -46.1 5 31.0 -19.9 225 27 335.4 335.4 293.3 336.0 0.15 38 355 8537 -22.9 -40.9 18 18.0 -25.6 235 19 336.5 336.6 293.7 337.7 0.30 39 300 9750 -30.7 -58.7 5 28.0 -32.7 235 31 342.1 342.1 294.8 342.3 0.05 40 295 9869 -31.1 -61.1 4 30.0 -33.1 235 31 343.2 343.2 295.1 343.3 0.03 41 273 10414 -35.5 -63.5 4 28.0 -37.0 232 33 344.5 344.5 295.4 344.6 0.03 42 268 10542 -36.3 -42.3 54 6.0 -37.0 232 33 345.2 345.2 295.8 346.5 0.34 43 256 10858 -39.5 -44.0 62 4.5 -39.9 231 34 345.0 345.1 295.8 346.2 0.30 44 250 11020 -40.7 -48.7 42 8.0 -41.3 230 35 345.6 345.6 295.8 346.3 0.18 45 248 11075 -41.1 -54.1 23 13.0 -41.9 232 36 345.8 345.8 295.8 346.2 0.10 46 246 11130 -41.5 -48.5 47 7.0 -42.0 234 37 346.0 346.0 295.9 346.7 0.19 47 244 11185 -41.7 -63.7 7 22.0 -42.6 236 38 346.5 346.5 295.8 346.6 0.03 48 237 11381 -43.3 -61.3 12 18.0 -44.0 237 39 346.9 347.0 296.0 347.1 0.04 49 235 11438 -43.7 -52.7 36 9.0 -44.2 235 40 347.2 347.2 296.1 347.7 0.12 50 203 12404 -51.9 -70.9 8 19.0 -52.2 210 48 349.1 349.1 296.4 349.1 0.01 51 200 12500 -52.7 -69.7 11 17.0 -53.0 210 51 349.3 349.3 296.5 349.4 0.02 52 173 13420 -60.9 -69.9 30 9.0 -61.0 215 53 350.6 350.6 296.8 350.6 0.02 53 167 13639 -62.3 -76.3 14 14.0 -62.4 215 52 351.8 351.8 297.0 351.8 0.01 54 160 13904 -62.3 -82.3 5 20.0 -62.4 215 51 356.1 356.1 297.9 356.1 0.00 55 150 14300 -65.9 -80.9 11 15.0 -66.0 215 50 356.6 356.6 298.0 356.6 0.00 56 100 16660 -82.3 -86.5 48 4.2 -82.3 260 19 368.7 368.7 300.4 368.7 0.00 57 87 17437 -84.7 -89.0 46 4.3 -84.7 270 7 378.9 378.9 302.1 378.9 0.00 58 75 18271 -79.5 -90.5 15 11.0 -79.5 191 18 406.2 406.2 306.0 406.2 0.00 59 73 18426 -75.3 -89.3 9 14.0 -75.3 173 22 418.2 418.2 307.5 418.2 0.00 60 71 18587 -75.7 -91.7 6 16.0 -75.7 155 26 420.7 420.7 307.8 420.7 0.00 61 70 18670 -74.5 -91.5 6 17.0 -74.6 105 12 425.0 425.0 308.3 425.0 0.00 62 66 19017 -69.1 -92.1 2 23.0 -69.2 129 15 444.0 444.0 310.3 444.0 0.00 63 61 19489 -67.5 -90.5 2 23.0 -67.7 87 20 457.6 457.6 311.5 457.6 0.00 64 56 20006 -65.5 -90.5 2 25.0 -65.8 80 12 473.5 473.5 313.0 473.5 0.00 65 50 20690 -68.1 -91.1 2 23.0 -68.3 300 1 483.0 483.0 313.7 483.0 0.00 66 40 22053 -60.1 -90.1 1 30.0 -60.8 97 21 534.9 534.9 317.2 534.9 0.00 67 34 23072 -57.1 -89.1 1 32.0 -58.2 94 17 568.3 568.3 319.0 568.3 0.00 68 32 23454 -58.1 -89.1 1 31.0 -59.2 80 16 575.5 575.5 319.5 575.6 0.00 69 30 23860 -57.7 -88.7 1 31.0 -58.9 120 16 587.3 587.3 320.0 587.4 0.00 70 26 24769 -56.3 -88.3 1 32.0 -57.9 104 29 615.9 615.9 321.3 615.9 0.01 71 20 26470 -48.5 -84.5 1 36.0 -52.4 90 31 687.7 687.7 324.0 687.8 0.02 72 14 28833 -45.5 -84.5 0 39.0 -51.7 80 38 771.7 771.8 326.5 771.9 0.02 TRP 87 17437 -84.7 -89.0 46 4.3 -84.7 270 7 378.9 378.9 302.1 378.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 583.09 mb = 4704.37 m = 15434.09 ft Wetbulb zero: 620.87 mb = 4194.79 m = 13762.27 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 63.76 % Est. max temperature: 33.02 C = 91.44 F Sfc-Lift cond lev (LCL): 979.12 mb = 326.92 m = 1072.55 ft T: 25.66 C 700-500 lapse rate: 5.47 C/km ThetaE index: 16.58 C Layer 925.0- 890.0 mb Conv cond level (CCL): 817.46 mb = 1896.10 m = 6220.73 ft Mean mixing ratio: 15.93 g/kg Conv temperature: 36.44 C = 97.60 F Cap Strength: 2.10 C Lifted Index: -0.77 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.19 C Lifted Index @700 mb: 0.36 C Showalter Index: 3.68 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 16.30 C K Index: 27.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 180.60 Risk: None Energy Index: 0.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 343.41 J/kg Max Up Vert Vel: 26.21 m/s Conv Inhibition (B-): 90.15 J/kg Cap Strength: 2.06 C Lift Cond Lev (LCL): 906.53 mb = 1003.73 m = 3293.04 ft Lev Free Conv (LFC): 751.53 mb = 2610.56 m = 8564.72 ft Equ Level (EL): 741.53 mb = 2723.13 m = 8934.05 ft B at Equ Level: 9.25 J/kg Max Parcel Lev (MPL): 681.53 mb = 3428.90 m = 11249.54 ft Wind level data Storm motion: 314 at 8 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 18 110 6 -5.6 2.1 | 124 14 -11.4 7.5 1 1000 141 35 8 -4.6 -6.6 | 84 10 -10.3 -1.1 2 982 305 10 10 -1.7 -9.8 | 60 9 -7.5 -4.4 3 948 610 20 8 -2.7 -7.5 | 77 9 -8.5 -2.0 4 925 828 25 9 -3.8 -8.2 | 74 10 -9.6 -2.7 5 916 914 15 10 -2.6 -9.7 | 63 9 -8.3 -4.2 6 854 1524 40 10 -6.4 -7.7 | 80 12 -12.2 -2.2 7 850 1561 30 10 -5.0 -8.7 | 74 11 -10.8 -3.2 8 794 2134 310 9 6.9 -5.8 | 284 1 1.1 -0.3 9 739 2743 260 4 3.9 0.7 | 164 6 -1.8 6.2 10 700 3206 270 6 6.0 -0.0 | 183 6 0.2 5.5 11 614 4267 260 8 7.9 1.4 | 197 7 2.1 6.9 12 591 4572 245 12 10.9 5.1 | 206 12 5.1 10.6 13 569 4877 275 20 19.9 -1.7 | 255 15 14.2 3.8 14 528 5486 245 19 17.2 8.0 | 220 18 11.5 13.5 15 500 5930 250 19 17.9 6.5 | 225 17 12.1 12.0 16 470 6401 255 18 17.4 4.7 | 229 15 11.6 10.2 17 402 7620 220 31 19.9 23.7 | 206 32 14.2 29.2 18 400 7650 225 27 19.1 19.1 | 208 28 13.3 24.6 19 354 8534 235 19 15.6 10.9 | 211 19 9.8 16.4 20 300 9750 235 31 25.4 17.8 | 220 30 19.6 23.3 21 250 11020 230 35 26.8 22.5 | 217 35 21.1 28.0 22 240 11278 240 39 33.8 19.5 | 228 38 28.0 25.0 23 210 12192 210 43 21.5 37.2 | 200 46 15.7 42.7 24 200 12500 210 51 25.5 44.2 | 202 53 19.7 49.7 25 173 13411 215 53 30.4 43.4 | 207 55 24.6 48.9 26 150 14300 215 50 28.7 41.0 | 206 52 22.9 46.5 27 149 14326 215 50 28.7 41.0 | 206 52 22.9 46.5 28 128 15240 205 50 21.1 45.3 | 197 53 15.4 50.8 29 121 15545 190 32 5.6 31.5 | 180 37 -0.2 37.0 30 115 15850 205 16 6.8 14.5 | 183 20 1.0 20.0 31 109 16154 270 5 5.0 -0.0 | 172 6 -0.8 5.5 32 104 16459 285 10 9.7 -2.6 | 233 5 3.9 2.9 33 100 16660 260 19 18.7 3.3 | 236 16 13.0 8.8 34 93 17069 240 12 10.4 6.0 | 202 12 4.6 11.5 35 88 17374 270 10 10.0 -0.0 | 218 7 4.2 5.5 36 87 17437 270 7 7.0 -0.0 | 193 6 1.2 5.5 37 83 17678 275 10 10.0 -0.9 | 222 6 4.2 4.6 38 75 18288 190 18 3.1 17.7 | 174 23 -2.6 23.2 39 71 18593 155 26 -11.0 23.6 | 150 34 -16.7 29.1 40 70 18670 105 12 -11.6 3.1 | 116 19 -17.3 8.6 41 67 18898 115 16 -14.5 6.8 | 121 24 -20.3 12.3 42 64 19202 150 13 -6.5 11.3 | 144 21 -12.3 16.8 43 61 19507 85 20 -19.9 -1.7 | 98 26 -25.7 3.8 44 58 19812 70 10 -9.4 -3.4 | 98 15 -15.2 2.1 45 55 20117 85 13 -13.0 -1.1 | 103 19 -18.7 4.4 46 52 20422 5 12 -1.0 -12.0 | 46 9 -6.8 -6.5 47 50 20690 300 1 0.9 -0.5 | 136 7 -4.9 5.0 48 50 20726 350 15 2.6 -14.8 | 19 10 -3.2 -9.3 49 47 21031 300 1 0.9 -0.5 | 136 7 -4.9 5.0 50 45 21336 130 10 -7.7 6.4 | 132 18 -13.4 11.9 51 43 21641 110 11 -10.3 3.8 | 120 19 -16.1 9.3 52 41 21946 95 18 -17.9 1.6 | 107 25 -23.7 7.1 53 39 22250 100 25 -24.6 4.3 | 108 32 -30.4 9.8 54 37 22555 90 19 -19.0 0.0 | 103 25 -24.8 5.5 55 35 22860 90 13 -13.0 0.0 | 106 20 -18.8 5.5 56 34 23165 95 19 -18.9 1.7 | 106 26 -24.7 7.2 57 32 23470 80 16 -15.8 -2.8 | 97 22 -21.5 2.7 58 30 23774 105 13 -12.6 3.4 | 116 20 -18.3 8.9 59 30 23860 120 16 -13.9 8.0 | 125 24 -19.6 13.5 60 28 24384 120 19 -16.5 9.5 | 124 27 -22.2 15.0 61 25 24994 95 35 -34.9 3.1 | 102 42 -40.6 8.5 62 20 26470 90 31 -31.0 0.0 | 99 37 -36.8 5.5 63 14 27737 80 38 -37.4 -6.6 | 89 43 -43.2 -1.1 64 13 28042 90 35 -35.0 0.0 | 98 41 -40.8 5.5 65 12 28346 85 39 -38.9 -3.4 | 93 45 -44.6 2.1 66 10 28956 90 31 -31.0 0.0 | 99 37 -36.8 5.5 Wind Parameters Mean winds (0-6000m): 283.7 at 10.6 knts Storm direction: 313.7 at 8.0 knts Shear (0-3000m) pos: 0.7 neg: 2.5 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 50.8 deg Storm rel helicity (0-3000m) pos: 16.0 neg: -60.8 tot: -44.9 m^2/s^2 ave: -15.0 10^-3 m/s^2 rel: -0.49 Storm rel vorticity (0-3000m) horiz: 8.0 stream: -3.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 11.70 Bulk Shear: 29.36 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 25 9 76 10| 0.0 11.1 11.1| 3.9 -36.0 -32.2 -64.3 -0.71| 15.5-11.0 1000 22 9 74 9| 0.7 5.5 6.3| 6.8 -41.4 -34.7 -34.7 -0.59| 10.1 -6.0 1500 25 9 74 10| 1.3 3.7 5.0| 14.4 -41.4 -27.0 -18.0 -0.39| 7.9 -3.1 2000 20 9 70 9| 1.0 4.6 5.6| 14.4 -55.9 -41.5 -20.8 -0.46| 9.2 -4.2 2500 9 9 65 8| 0.8 3.2 4.0| 14.4 -58.8 -44.4 -17.7 -0.51| 9.0 -4.6 3000 2 8 65 7| 0.7 2.5 3.2| 16.0 -60.8 -44.9 -15.0 -0.49| 8.0 -3.9 4000 340 8 59 4| 0.3 2.0 2.3| 19.2 -60.8 -41.6 -10.4 -0.42| 6.4 -2.7 5000 309 9 272 1| 0.8 1.9 2.7| 58.6 -67.4 -8.8 -1.8 -0.15| 6.9 -1.1 6000 284 11 237 5| 0.8 1.6 2.3| 65.9 -99.3 -33.4 -5.6 -0.21| 6.6 -1.4 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250429.11.gif