UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042211.upa.cvt Date: 1100Z 22 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 22 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 1014 18 24.2 23.0 93 1.2 23.3 0 0 296.2 299.4 296.0 347.2 17.71 1 1004 103 25.8 22.3 81 3.5 23.3 93 4 298.6 301.7 296.3 348.5 17.12 2 1000 137 25.6 22.4 83 3.2 23.3 130 5 298.8 301.9 296.4 349.2 17.30 3 954 551 24.0 19.5 76 4.5 20.8 15 4 301.2 304.0 295.7 345.6 15.12 4 925 821 22.0 17.6 76 4.4 18.9 350 6 301.8 304.3 294.9 342.5 13.82 5 914 925 21.4 16.5 74 4.9 18.1 329 8 302.2 304.6 294.5 340.7 13.03 6 888 1175 19.0 18.3 96 0.7 18.5 307 9 302.2 305.0 295.9 346.8 15.07 7 852 1532 18.2 10.2 60 8.0 13.2 275 12 305.0 306.7 292.4 332.6 9.21 8 850 1552 18.0 11.0 64 7.0 13.6 275 13 305.0 306.8 292.9 334.2 9.74 9 818 1879 15.4 14.5 94 0.9 14.8 272 14 305.6 308.0 295.3 344.0 12.80 10 792 2153 14.6 10.7 77 3.9 12.1 256 17 307.6 309.5 294.0 338.6 10.26 11 785 2228 15.8 -4.2 25 20.0 5.9 258 17 309.7 310.3 289.0 320.9 3.57 12 777 2315 16.8 -24.2 5 41.0 2.7 261 16 311.6 311.8 286.8 314.0 0.69 13 760 2504 16.4 -13.6 12 30.0 3.7 267 15 313.2 313.5 288.4 319.0 1.76 14 730 2845 13.0 2.0 47 11.0 6.8 265 14 313.1 314.3 292.3 332.1 6.07 15 718 2984 12.2 -5.8 28 18.0 3.5 252 13 313.7 314.4 290.2 324.8 3.45 16 700 3196 10.2 -3.8 37 14.0 3.2 245 13 313.8 314.6 290.8 326.9 4.12 17 642 3906 3.2 0.6 83 2.6 1.8 227 19 313.7 314.9 292.6 333.3 6.24 18 636 3982 4.4 -9.6 35 14.0 -1.7 224 19 315.9 316.5 290.4 325.3 2.90 19 627 4098 5.2 -23.8 10 29.0 -4.2 215 12 318.1 318.3 289.1 321.2 0.89 20 622 4164 5.4 -32.6 4 38.0 -4.9 209 8 319.1 319.1 288.9 320.5 0.40 21 534 5398 0.0 -39.0 3 39.0 -9.0 217 4 326.8 326.9 291.1 327.8 0.24 22 500 5920 -4.7 -28.7 13 24.0 -11.3 225 5 327.3 327.5 291.7 329.9 0.72 23 478 6273 -7.7 -24.7 24 17.0 -12.7 185 12 327.8 328.1 292.2 331.7 1.08 24 461 6554 -8.9 -31.9 14 23.0 -14.5 176 15 329.8 329.9 292.2 331.9 0.57 25 445 6828 -8.5 -43.5 4 35.0 -15.1 187 15 333.6 333.6 292.9 334.3 0.18 26 418 7313 -10.5 -36.5 10 26.0 -16.2 207 14 337.1 337.2 294.0 338.6 0.40 27 400 7650 -13.3 -40.3 8 27.0 -18.4 225 13 337.7 337.8 294.0 338.8 0.28 28 300 9760 -30.5 -53.5 9 23.0 -32.4 265 11 342.4 342.4 295.0 342.8 0.09 29 293 9927 -32.1 -53.1 11 21.0 -33.8 263 12 342.4 342.5 295.0 342.8 0.09 30 250 11030 -39.3 -63.3 6 24.0 -40.4 240 14 347.6 347.6 296.1 347.8 0.03 31 229 11625 -43.5 -68.5 5 25.0 -44.3 243 13 350.1 350.1 296.7 350.1 0.02 32 200 12520 -51.5 -69.5 10 18.0 -51.9 240 18 351.2 351.2 296.9 351.3 0.02 33 176 13341 -58.1 -74.1 11 16.0 -58.3 240 20 353.4 353.4 297.4 353.5 0.01 34 150 14330 -66.9 -76.9 23 10.0 -67.0 210 28 354.8 354.8 297.7 354.9 0.01 35 145 14533 -68.7 -77.7 26 9.0 -68.8 209 28 355.2 355.2 297.7 355.2 0.01 36 122 15545 -76.5 -80.9 50 4.4 -76.5 202 26 358.9 358.9 298.5 358.9 0.00 37 104 16451 -81.7 -86.7 42 5.0 -81.7 168 11 365.7 365.8 299.8 365.8 0.00 38 100 16670 -81.7 -87.7 35 6.0 -81.7 175 11 369.9 369.9 300.5 369.9 0.00 39 88 17383 -84.1 -88.2 48 4.1 -84.1 245 15 378.8 378.8 302.1 378.8 0.00 40 76 18202 -80.7 -89.7 21 9.0 -80.7 122 16 402.2 402.2 305.5 402.2 0.00 41 70 18670 -77.3 -91.3 9 14.0 -77.3 105 18 419.0 419.0 307.6 419.0 0.00 42 65 19100 -72.1 -92.1 3 20.0 -72.2 108 16 439.4 439.4 309.8 439.4 0.00 43 60 19570 -72.7 -91.7 4 19.0 -72.8 51 17 448.2 448.2 310.7 448.2 0.00 44 55 20089 -65.7 -92.7 1 27.0 -66.0 73 16 475.5 475.5 313.1 475.5 0.00 45 51 20549 -64.3 -91.3 1 27.0 -64.6 79 14 489.2 489.2 314.2 489.2 0.00 46 50 20670 -64.5 -90.5 2 26.0 -64.8 100 14 491.5 491.5 314.3 491.5 0.00 47 44 21448 -66.1 -91.1 2 25.0 -66.4 96 19 505.9 505.9 315.4 505.9 0.00 48 41 21880 -63.3 -92.3 1 29.0 -63.8 88 26 523.2 523.2 316.5 523.2 0.00 49 38 22353 -57.3 -89.3 1 32.0 -58.3 82 30 550.0 550.0 318.1 550.0 0.00 50 34 23053 -59.5 -88.5 1 29.0 -60.4 57 21 562.0 562.0 318.8 562.0 0.00 51 30 23840 -57.5 -88.5 1 31.0 -58.7 100 18 587.9 587.9 320.0 587.9 0.01 52 28 24277 -57.3 -88.3 1 31.0 -58.6 100 26 600.2 600.2 320.6 600.2 0.01 53 23 25543 -50.1 -85.1 1 35.0 -53.2 104 29 656.1 656.1 322.9 656.2 0.01 54 20 26460 -48.9 -83.9 1 35.0 -52.7 100 38 686.5 686.5 324.0 686.6 0.02 55 16 27932 -47.1 -84.1 1 37.0 -52.2 85 32 737.6 737.6 325.6 737.8 0.02 56 15 28358 -47.7 -83.7 1 36.0 -52.8 81 30 749.4 749.4 325.9 749.6 0.02 TRP 88 17383 -84.1 -88.2 48 4.1 -84.1 245 15 378.8 378.8 302.1 378.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 534.00 mb = 5397.64 m = 17708.57 ft Wetbulb zero: 638.97 mb = 3944.36 m = 12940.67 ft Precipitable water: 1.51 inches Sfc-500 mean rel hum: 43.09 % Est. max temperature: 32.13 C = 89.84 F Sfc-Lift cond lev (LCL): 996.83 mb = 164.92 m = 541.08 ft T: 25.49 C 700-500 lapse rate: 5.47 C/km ThetaE index: 29.93 C Layer 792.0- 760.0 mb Conv cond level (CCL): 851.00 mb = 1541.89 m = 5058.63 ft Mean mixing ratio: 15.53 g/kg Conv temperature: 33.07 C = 91.53 F Cap Strength: 3.84 C Lifted Index: -0.27 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.12 C Lifted Index @700 mb: 0.75 C Showalter Index: 4.60 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 15.70 C K Index: 19.70 Risk: < 20 % chance of thunderstorms Sweat Index: 163.00 Risk: None Energy Index: -0.67 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 71.38 J/kg Max Up Vert Vel: 11.95 m/s Conv Inhibition (B-): 136.74 J/kg Cap Strength: 3.82 C Lift Cond Lev (LCL): 909.82 mb = 964.93 m = 3165.74 ft Lev Free Conv (LFC): 684.82 mb = 3375.96 m = 11075.86 ft Equ Level (EL): 624.82 mb = 4126.79 m = 13539.18 ft B at Equ Level: 50.80 J/kg Max Parcel Lev (MPL): 524.82 mb = 5535.35 m = 18160.37 ft Wind level data Storm motion: 284 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 1014 18 0 0 -0.0 -0.0 | 104 7 -6.7 1.6 1 1000 137 130 5 -3.8 3.2 | 115 12 -10.5 4.8 2 981 305 75 2 -1.9 -0.5 | 97 9 -8.6 1.1 3 948 610 360 4 -0.0 -4.0 | 70 7 -6.7 -2.4 4 925 821 350 6 1.0 -5.9 | 53 7 -5.6 -4.3 5 915 914 330 8 4.0 -6.9 | 27 6 -2.7 -5.3 6 853 1524 275 11 11.0 -1.0 | 261 4 4.3 0.6 7 850 1552 275 13 13.0 -1.1 | 266 6 6.3 0.5 8 823 1829 275 14 13.9 -1.2 | 267 7 7.3 0.4 9 794 2134 255 17 16.4 4.4 | 238 11 9.7 6.0 10 738 2743 275 14 13.9 -1.2 | 267 7 7.3 0.4 11 712 3048 245 13 11.8 5.5 | 216 9 5.1 7.1 12 700 3196 245 13 11.8 5.5 | 216 9 5.1 7.1 13 637 3962 225 20 14.1 14.1 | 205 17 7.5 15.7 14 613 4267 200 1 0.3 0.9 | 112 7 -6.3 2.5 15 500 5920 225 5 3.5 3.5 | 149 6 -3.1 5.1 16 470 6401 170 15 -2.6 14.8 | 150 19 -9.3 16.4 17 402 7620 220 14 9.0 10.7 | 191 13 2.3 12.3 18 400 7650 225 13 9.2 9.2 | 193 11 2.5 10.8 19 300 9760 265 11 11.0 1.0 | 239 5 4.3 2.6 20 263 10668 255 14 13.5 3.6 | 233 9 6.8 5.2 21 252 10973 235 13 10.6 7.5 | 204 10 4.0 9.1 22 250 11030 240 14 12.1 7.0 | 212 10 5.5 8.6 23 220 11887 245 13 11.8 5.5 | 216 9 5.1 7.1 24 200 12520 240 18 15.6 9.0 | 220 14 8.9 10.6 25 174 13411 240 20 17.3 10.0 | 223 16 10.6 11.6 26 150 14326 215 29 16.6 23.8 | 201 27 10.0 25.4 27 150 14330 210 28 14.0 24.2 | 196 27 7.3 25.9 28 115 15850 200 26 8.9 24.4 | 185 26 2.2 26.0 29 109 16154 160 10 -3.4 9.4 | 137 15 -10.1 11.0 30 100 16670 175 11 -1.0 11.0 | 149 15 -7.6 12.6 31 98 16764 175 11 -1.0 11.0 | 149 15 -7.6 12.6 32 88 17383 245 15 13.6 6.3 | 221 11 6.9 7.9 33 83 17678 235 15 12.3 8.6 | 209 12 5.6 10.2 34 79 17983 155 17 -7.2 15.4 | 141 22 -13.9 17.0 35 75 18288 110 15 -14.1 5.1 | 108 22 -20.8 6.7 36 71 18593 130 14 -10.7 9.0 | 121 20 -17.4 10.6 37 70 18670 105 18 -17.4 4.7 | 105 25 -24.1 6.3 38 67 18898 105 19 -18.4 4.9 | 105 26 -25.0 6.5 39 64 19202 110 15 -14.1 5.1 | 108 22 -20.8 6.7 40 61 19507 55 19 -15.6 -10.9 | 67 24 -22.2 -9.3 41 58 19812 40 13 -8.4 -10.0 | 61 17 -15.0 -8.4 42 55 20117 75 16 -15.5 -4.1 | 83 22 -22.1 -2.5 43 52 20422 55 15 -12.3 -8.6 | 70 20 -19.0 -7.0 44 50 20670 100 14 -13.8 2.4 | 101 21 -20.5 4.0 45 50 20726 100 19 -18.7 3.3 | 101 26 -25.4 4.9 46 47 21031 100 13 -12.8 2.3 | 101 20 -19.5 3.9 47 45 21336 90 17 -17.0 0.0 | 94 24 -23.7 1.6 48 43 21641 105 21 -20.3 5.4 | 105 28 -27.0 7.0 49 41 21946 85 27 -26.9 -2.4 | 89 34 -33.6 -0.8 50 39 22250 90 29 -29.0 0.0 | 93 36 -35.7 1.6 51 37 22555 70 31 -29.1 -10.6 | 76 37 -35.8 -9.0 52 35 22860 70 15 -14.1 -5.1 | 80 21 -20.8 -3.5 53 33 23165 50 24 -18.4 -15.4 | 61 29 -25.1 -13.8 54 32 23470 70 14 -13.2 -4.8 | 81 20 -19.8 -3.2 55 30 23774 65 15 -13.6 -6.3 | 77 21 -20.3 -4.7 56 30 23840 100 18 -17.7 3.1 | 101 25 -24.4 4.7 57 29 24079 90 11 -11.0 0.0 | 95 18 -17.7 1.6 58 28 24384 105 33 -31.9 8.5 | 105 40 -38.5 10.1 59 25 24994 95 25 -24.9 2.2 | 97 32 -31.6 3.8 60 22 25908 110 31 -29.1 10.6 | 109 38 -35.8 12.2 61 20 26460 100 38 -37.4 6.6 | 101 45 -44.1 8.2 62 20 26518 90 34 -34.0 0.0 | 92 41 -40.7 1.6 63 18 26822 100 38 -37.4 6.6 | 101 45 -44.1 8.2 64 15 27432 80 30 -29.5 -5.2 | 84 36 -36.2 -3.6 65 11 28651 90 31 -31.0 0.0 | 92 38 -37.7 1.6 Wind Parameters Mean winds (0-6000m): 253.5 at 9.2 knts Storm direction: 283.5 at 6.9 knts Shear (0-3000m) pos: 0.8 neg: 2.9 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 116.5 deg Storm rel helicity (0-3000m) pos: 11.6 neg: -53.6 tot: -42.0 m^2/s^2 ave: -14.0 10^-3 m/s^2 rel: -0.53 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.77 Bulk Shear: 18.91 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 92 3 100 10| 3.5 0.0 3.5| 0.8 -9.9 -9.2 -18.4 -0.39| 10.0 -3.9 1000 4 4 69 7| 1.7 3.9 5.6| 0.8 -23.0 -22.2 -22.2 -0.63| 9.3 -5.8 1500 318 6 41 4| 1.2 4.3 5.4| 0.8 -30.7 -29.9 -19.9 -0.72| 9.0 -6.5 2000 293 8 332 2| 0.9 4.6 5.5| 1.4 -36.9 -35.5 -17.7 -0.65| 8.5 -5.5 2500 280 10 270 3| 1.0 3.7 4.7| 8.4 -41.1 -32.7 -13.1 -0.52| 8.0 -4.1 3000 276 10 262 4| 0.8 2.9 3.8| 11.6 -53.6 -42.0 -14.0 -0.53| 8.1 -4.3 4000 260 12 234 6| 0.6 2.7 3.4| 11.6 -74.9 -63.3 -15.8 -0.51| 7.7 -3.9 5000 256 10 219 5| 0.4 0.7 1.1| 14.6-107.7 -93.1 -18.6 -0.55| 8.0 -4.4 6000 254 9 207 5| 0.2 0.8 1.1| 20.9-107.7 -86.8 -14.5 -0.47| 7.0 -3.3 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250422.11.gif