UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042411.upa.cvt Date: 1100Z 24 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 24 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 25.8 23.3 86 2.5 24.0 140 5 297.7 300.9 296.6 350.0 18.02 1 1001 132 26.8 23.2 81 3.6 24.2 121 5 299.9 303.2 297.3 353.1 18.17 2 1000 140 26.8 23.3 81 3.5 24.3 120 5 300.0 303.3 297.4 353.6 18.30 3 928 800 21.8 21.6 99 0.2 21.7 271 5 301.3 304.6 297.4 353.7 17.77 4 925 828 21.8 21.2 96 0.6 21.4 270 5 301.6 304.8 297.3 352.9 17.39 5 850 1559 18.0 15.3 84 2.7 16.2 115 6 305.0 307.4 295.2 343.8 12.97 6 838 1681 17.2 14.6 85 2.6 15.4 122 7 305.4 307.7 295.0 343.0 12.57 7 819 1877 17.0 11.0 68 6.0 13.1 134 9 307.2 309.1 293.8 337.8 10.12 8 808 1993 17.6 -0.4 29 18.0 8.0 141 10 309.0 309.9 289.8 323.3 4.60 9 793 2153 16.4 10.4 68 6.0 12.6 150 12 309.4 311.3 294.3 340.0 10.04 10 741 2728 13.2 5.2 58 8.0 8.5 160 20 312.0 313.4 293.1 335.3 7.51 11 722 2946 11.4 7.9 79 3.5 9.2 154 19 312.3 314.1 294.6 341.1 9.30 12 700 3205 10.6 5.6 71 5.0 7.6 145 17 314.2 315.8 294.3 339.7 8.18 13 691 3313 10.6 3.6 62 7.0 6.5 140 16 315.4 316.8 293.8 338.0 7.19 14 689 3337 10.6 2.6 58 8.0 6.0 139 16 315.6 316.9 293.5 336.8 6.71 15 633 4037 4.8 -2.2 60 7.0 1.2 149 14 316.8 317.8 292.6 333.2 5.15 16 605 4405 2.0 -0.1 86 2.1 0.8 147 13 317.7 318.9 293.7 337.7 6.29 17 577 4787 0.6 -4.3 70 4.9 -1.9 166 12 320.4 321.3 293.3 336.0 4.82 18 574 4829 0.8 -4.0 70 4.8 -1.6 170 11 321.1 322.1 293.6 337.2 4.96 19 570 4885 1.4 -14.6 29 16.0 -5.0 174 11 322.4 322.9 291.6 329.7 2.16 20 568 4913 1.0 -8.0 51 9.0 -3.2 169 11 322.3 323.0 292.9 334.5 3.69 21 563 4985 1.0 -17.0 25 18.0 -5.8 149 9 323.1 323.5 291.5 329.2 1.79 22 560 5028 0.2 -11.8 40 12.0 -4.9 136 9 322.7 323.2 292.2 331.9 2.76 23 517 5666 -2.9 -27.9 13 25.0 -10.0 70 1 326.4 326.5 291.5 329.1 0.75 24 500 5930 -4.9 -21.9 25 17.0 -10.4 180 3 327.1 327.3 292.2 331.7 1.32 25 499 5946 -4.9 -21.9 25 17.0 -10.4 181 3 327.3 327.5 292.2 331.9 1.33 26 489 6104 -4.3 -26.3 16 22.0 -10.8 189 3 329.9 330.1 292.6 333.2 0.91 27 480 6249 -5.3 -14.3 49 9.0 -8.9 196 4 330.4 330.9 294.2 339.5 2.63 28 462 6547 -6.7 -33.7 10 27.0 -13.3 212 4 332.3 332.4 292.8 334.1 0.48 29 415 7371 -12.7 -41.7 7 29.0 -18.0 255 6 334.9 335.0 293.3 335.9 0.24 30 400 7650 -14.5 -31.5 22 17.0 -18.5 270 7 336.1 336.3 294.0 338.7 0.69 31 392 7803 -15.1 -37.1 13 22.0 -19.5 268 8 337.3 337.4 294.0 338.9 0.40 32 376 8117 -17.9 -24.9 54 7.0 -19.8 265 9 337.6 337.9 294.9 342.6 1.35 33 374 8157 -18.1 -37.1 17 19.0 -21.7 264 9 337.9 338.0 294.2 339.5 0.42 34 363 8380 -19.9 -24.9 64 5.0 -21.2 262 9 338.4 338.7 295.1 343.5 1.40 35 344 8777 -23.3 -27.2 70 3.9 -24.2 254 10 339.0 339.3 295.1 343.4 1.20 36 333 9015 -24.1 -32.1 48 8.0 -25.7 249 11 341.1 341.3 295.3 344.0 0.78 37 323 9237 -26.1 -31.0 63 4.9 -27.1 249 11 341.3 341.5 295.4 344.7 0.89 38 318 9350 -26.3 -39.3 28 13.0 -28.3 255 11 342.6 342.6 295.3 344.1 0.40 39 304 9675 -28.1 -49.1 12 21.0 -30.4 326 10 344.5 344.5 295.5 345.1 0.14 40 302 9722 -28.5 -47.5 14 19.0 -30.6 340 10 344.6 344.6 295.6 345.3 0.17 41 300 9770 -28.9 -47.9 14 19.0 -31.0 350 10 344.6 344.7 295.6 345.3 0.17 42 267 10589 -36.3 -48.3 28 12.0 -37.3 350 16 345.5 345.6 295.8 346.3 0.18 43 250 11040 -40.3 -55.3 19 15.0 -41.2 320 13 346.2 346.2 295.8 346.5 0.08 44 242 11261 -42.1 -67.1 5 25.0 -43.0 310 14 346.7 346.7 295.9 346.8 0.02 45 216 12018 -48.7 -56.7 39 8.0 -49.0 277 17 347.9 347.9 296.3 348.3 0.08 46 200 12520 -52.1 -64.1 22 12.0 -52.4 265 22 350.3 350.3 296.7 350.4 0.03 47 195 12683 -53.1 -68.1 15 15.0 -53.4 265 16 351.2 351.2 296.9 351.3 0.02 48 157 14043 -64.1 -76.1 18 12.0 -64.2 350 7 355.0 355.0 297.7 355.0 0.01 49 150 14320 -66.3 -76.3 23 10.0 -66.4 15 6 355.9 355.9 297.9 355.9 0.01 50 132 15084 -71.9 -81.9 21 10.0 -71.9 16 2 359.1 359.1 298.5 359.1 0.00 51 119 15687 -77.3 -81.6 50 4.3 -77.3 19 5 360.0 360.0 298.7 360.0 0.00 52 100 16670 -82.9 -87.8 42 4.9 -82.9 25 11 367.6 367.6 300.1 367.6 0.00 53 96 16897 -84.5 -88.7 47 4.2 -84.5 15 5 368.7 368.7 300.4 368.8 0.00 54 87 17443 -84.9 -88.9 49 4.0 -84.9 105 10 378.5 378.5 302.0 378.5 0.00 55 77 18130 -78.1 -89.1 15 11.0 -78.1 101 25 406.1 406.1 306.0 406.1 0.00 56 70 18680 -75.5 -91.5 6 16.0 -75.6 45 16 422.9 422.9 308.0 422.9 0.00 57 65 19115 -70.7 -91.7 3 21.0 -70.8 23 12 442.4 442.4 310.1 442.4 0.00 58 61 19493 -70.5 -90.5 4 20.0 -70.6 136 10 451.0 451.0 311.0 451.0 0.00 59 50 20680 -68.7 -90.7 3 22.0 -68.9 75 23 481.6 481.6 313.6 481.6 0.00 60 39 22199 -58.1 -88.1 1 30.0 -59.0 126 13 543.9 543.9 317.8 543.9 0.00 61 32 23449 -55.1 -85.1 1 30.0 -56.6 137 23 583.6 583.6 319.8 583.6 0.01 62 30 23860 -55.1 -85.1 1 30.0 -56.6 120 25 594.4 594.4 320.3 594.5 0.01 63 28 24301 -56.5 -85.5 1 29.0 -57.9 120 25 602.4 602.4 320.7 602.4 0.01 64 23 25569 -51.1 -84.1 1 33.0 -53.9 93 27 653.1 653.1 322.8 653.2 0.01 65 20 26480 -51.7 -83.7 1 32.0 -54.7 70 28 677.9 677.9 323.7 678.1 0.02 66 19 26812 -52.1 -84.1 1 32.0 -55.1 73 34 686.7 686.7 324.0 686.8 0.02 67 18 27165 -49.3 -83.3 1 34.0 -53.2 78 33 706.2 706.2 324.6 706.4 0.02 68 18 27165 -49.3 -83.3 1 34.0 -53.2 78 33 706.2 706.2 324.6 706.4 0.02 TRP 96 16897 -84.5 -88.7 47 4.2 -84.5 15 5 368.7 368.7 300.4 368.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 557.23 mb = 5068.78 m = 16629.66 ft Wetbulb zero: 596.27 mb = 4521.83 m = 14835.21 ft Precipitable water: 2.04 inches Sfc-500 mean rel hum: 64.88 % Est. max temperature: 32.45 C = 90.41 F Sfc-Lift cond lev (LCL): 979.17 mb = 325.87 m = 1069.12 ft T: 25.39 C 700-500 lapse rate: 5.69 C/km ThetaE index: 30.32 C Layer 925.0- 793.0 mb Conv cond level (CCL): 922.36 mb = 852.68 m = 2797.47 ft Mean mixing ratio: 17.93 g/kg Conv temperature: 29.85 C = 85.73 F Cap Strength: 0.88 C Lifted Index: -3.10 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.26 C Lifted Index @700 mb: -0.85 C Showalter Index: 0.38 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: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 198.60 Risk: None Energy Index: -2.29 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 997.43 J/kg Max Up Vert Vel: 44.66 m/s Conv Inhibition (B-): 2.82 J/kg Cap Strength: 0.84 C Lift Cond Lev (LCL): 938.69 mb = 698.60 m = 2291.95 ft Lev Free Conv (LFC): 893.69 mb = 1125.73 m = 3693.31 ft Equ Level (EL): 813.69 mb = 1932.60 m = 6340.46 ft B at Equ Level: 15.20 J/kg Max Parcel Lev (MPL): 83.69 mb = 17661.47 m = 57943.75 ft Wind level data Storm motion: 182 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 1015 18 140 5 -3.2 3.8 | 46 5 -3.5 -3.4 1 1000 140 120 5 -4.3 2.5 | 45 7 -4.6 -4.7 2 981 305 240 3 2.6 1.5 | 338 6 2.3 -5.7 3 948 610 280 5 4.9 -0.9 | 330 9 4.6 -8.1 4 925 828 270 5 5.0 -0.0 | 327 9 4.7 -7.2 5 916 914 270 3 3.0 -0.0 | 339 8 2.7 -7.2 6 853 1524 115 6 -5.4 2.5 | 51 7 -5.7 -4.6 7 850 1559 115 6 -5.4 2.5 | 51 7 -5.7 -4.6 8 794 2134 150 12 -6.0 10.4 | 117 7 -6.3 3.2 9 739 2743 160 20 -6.8 18.8 | 148 14 -7.1 11.6 10 700 3205 145 17 -9.8 13.9 | 124 12 -10.0 6.7 11 662 3658 125 13 -10.6 7.5 | 91 11 -10.9 0.3 12 638 3962 150 14 -7.0 12.1 | 124 9 -7.3 4.9 13 614 4267 145 13 -7.5 10.6 | 114 8 -7.7 3.5 14 591 4572 150 13 -6.5 11.3 | 121 8 -6.8 4.1 15 569 4877 175 11 -1.0 11.0 | 162 4 -1.2 3.8 16 528 5486 0 0 -0.0 -0.0 | 2 7 -0.3 -7.2 17 500 5930 180 3 0.0 3.0 | 4 4 -0.3 -4.2 18 400 7650 270 7 7.0 -0.0 | 317 10 6.7 -7.2 19 355 8534 260 10 9.8 1.7 | 300 11 9.6 -5.4 20 327 9144 245 11 10.0 4.6 | 285 10 9.7 -2.5 21 313 9449 260 11 10.8 1.9 | 297 12 10.6 -5.3 22 301 9754 350 10 1.7 -9.8 | 355 17 1.5 -17.0 23 300 9770 350 10 1.7 -9.8 | 355 17 1.5 -17.0 24 288 10058 340 15 5.1 -14.1 | 347 22 4.9 -21.3 25 276 10363 5 17 -1.5 -16.9 | 4 24 -1.8 -24.1 26 250 11040 320 13 8.4 -10.0 | 335 19 8.1 -17.1 27 220 11887 280 16 15.8 -2.8 | 303 18 15.5 -10.0 28 201 12497 265 22 21.9 1.9 | 284 22 21.6 -5.3 29 200 12520 265 22 21.9 1.9 | 284 22 21.6 -5.3 30 191 12802 265 12 12.0 1.0 | 298 13 11.7 -6.1 31 173 13411 295 10 9.1 -4.2 | 322 14 8.8 -11.4 32 150 14320 15 6 -1.6 -5.8 | 8 13 -1.8 -13.0 33 135 14935 15 1 -0.3 -1.0 | 4 8 -0.5 -8.1 34 100 16670 25 11 -4.6 -10.0 | 16 18 -4.9 -17.2 35 96 16897 15 5 -1.3 -4.8 | 7 12 -1.6 -12.0 36 93 17069 20 10 -3.4 -9.4 | 13 17 -3.7 -16.6 37 84 17678 155 10 -4.2 9.1 | 113 5 -4.5 1.9 38 79 17983 140 23 -14.8 17.6 | 125 18 -15.1 10.4 39 75 18288 65 26 -23.6 -11.0 | 53 30 -23.8 -18.2 40 71 18593 45 21 -14.8 -14.8 | 34 27 -15.1 -22.0 41 70 18680 45 16 -11.3 -11.3 | 32 22 -11.6 -18.5 42 67 18898 85 16 -15.9 -1.4 | 62 18 -16.2 -8.6 43 64 19202 360 11 -0.0 -11.0 | 1 18 -0.3 -18.2 44 61 19507 140 10 -6.4 7.7 | 94 7 -6.7 0.5 45 58 19812 115 22 -19.9 9.3 | 96 20 -20.2 2.1 46 52 20422 75 17 -16.4 -4.4 | 55 20 -16.7 -11.6 47 50 20680 75 23 -22.2 -6.0 | 60 26 -22.5 -13.1 48 50 20726 90 20 -20.0 0.0 | 70 22 -20.3 -7.2 49 47 21031 85 25 -24.9 -2.2 | 70 27 -25.2 -9.4 50 43 21641 95 15 -14.9 1.3 | 69 16 -15.2 -5.9 51 41 21946 140 10 -6.4 7.7 | 94 7 -6.7 0.5 52 37 22555 110 17 -16.0 5.8 | 85 16 -16.3 -1.4 53 35 22860 60 17 -14.7 -8.5 | 44 22 -15.0 -15.7 54 34 23165 65 15 -13.6 -6.3 | 46 19 -13.9 -13.5 55 32 23470 140 23 -14.8 17.6 | 125 18 -15.1 10.4 56 30 23774 100 15 -14.8 2.6 | 73 16 -15.0 -4.6 57 30 23860 120 25 -21.7 12.5 | 104 23 -21.9 5.3 58 28 24384 120 25 -21.7 12.5 | 104 23 -21.9 5.3 59 26 24689 95 27 -26.9 2.4 | 80 28 -27.2 -4.8 60 24 25298 100 27 -26.6 4.7 | 85 27 -26.9 -2.5 61 20 26480 70 28 -26.3 -9.6 | 58 31 -26.6 -16.8 62 20 26518 70 36 -33.8 -12.3 | 60 39 -34.1 -19.5 63 15 27432 90 27 -27.0 0.0 | 75 28 -27.3 -7.2 Wind Parameters Mean winds (0-6000m): 152.2 at 9.6 knts Storm direction: 182.2 at 7.2 knts Shear (0-3000m) pos: 1.9 neg: 2.1 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 87.8 deg Storm rel helicity (0-3000m) pos: 35.9 neg: -21.1 tot: 14.8 m^2/s^2 ave: 4.9 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 1.4 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 173.69 Bulk Shear: 5.74 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 ------------------------------------------------------------------------------- 500 186 4 357 3| 8.7 0.0 8.7| 0.0 -7.6 -7.6 -15.2 -0.55| 12.2 -6.8 1000 250 4 327 7| 4.3 1.0 5.3| 3.8 -10.1 -6.3 -6.3 -0.35| 8.9 -3.1 1500 218 4 326 4| 2.9 3.4 6.3| 7.3 -10.4 -3.1 -2.1 -0.06| 9.6 -0.6 2000 157 5 47 3| 1.8 2.6 4.3| 18.9 -10.4 8.5 4.3 0.13| 8.9 1.2 2500 155 7 77 3| 2.3 2.1 4.4| 30.5 -10.4 20.1 8.1 0.24| 8.5 2.0 3000 156 9 106 4| 1.9 2.1 4.0| 35.9 -21.1 14.8 4.9 0.18| 8.2 1.4 4000 149 11 109 6| 2.0 1.8 3.8| 48.2 -46.3 1.9 0.5 0.08| 7.9 0.6 5000 150 11 112 6| 1.5 1.6 3.2| 55.1 -56.1 -1.0 -0.2 0.02| 7.7 0.2 6000 152 10 105 5| 1.5 1.4 3.0| 59.0 -83.4 -24.4 -4.1 -0.10| 8.0 -0.8 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250424.11.gif