UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042611.upa.cvt Date: 1100Z 26 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 26 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 1016 18 23.6 21.7 89 1.9 22.3 140 4 295.4 298.3 294.8 342.2 16.29 1 1002 132 26.4 20.4 70 6.0 22.2 105 9 299.4 302.2 295.3 343.8 15.23 2 1000 149 26.2 21.2 74 5.0 22.6 100 10 299.4 302.3 295.8 346.2 16.05 3 986 274 26.0 20.0 70 6.0 21.8 92 7 300.4 303.1 295.4 344.6 15.09 4 925 835 21.6 18.7 84 2.9 19.6 35 7 301.4 304.1 295.5 345.0 14.83 5 850 1565 17.0 15.8 93 1.2 16.2 55 13 304.0 306.4 295.3 343.8 13.40 6 845 1615 16.4 15.4 94 1.0 15.7 57 14 303.8 306.3 295.0 342.9 13.14 7 803 2049 15.4 7.4 59 8.0 10.6 79 17 307.2 308.7 292.2 331.7 8.07 8 795 2134 16.0 3.0 42 13.0 8.6 85 17 308.8 309.9 290.9 327.2 5.98 9 770 2404 13.8 3.8 51 10.0 8.1 89 14 309.2 310.5 291.5 329.4 6.54 10 760 2515 15.6 -14.4 11 30.0 3.2 91 12 312.3 312.6 288.0 317.8 1.65 11 757 2548 15.6 -11.4 14 27.0 3.8 92 12 312.7 313.1 288.6 319.6 2.11 12 700 3207 10.6 -0.4 46 11.0 4.6 95 8 314.2 315.2 292.0 331.0 5.31 13 696 3255 10.2 -0.8 46 11.0 4.3 98 8 314.3 315.3 291.9 330.7 5.19 14 660 3694 9.2 -18.8 12 28.0 -1.3 124 8 318.0 318.2 289.5 322.4 1.31 15 630 4076 5.6 -8.4 36 14.0 -0.8 147 8 318.1 318.8 291.3 328.7 3.22 16 604 4419 4.4 -20.6 14 25.0 -4.4 170 8 320.6 320.8 290.2 324.8 1.23 17 591 4596 2.8 -10.2 38 13.0 -2.9 183 8 320.7 321.3 291.9 330.6 2.98 18 545 5246 -0.5 -24.5 14 24.0 -8.0 231 9 324.3 324.5 291.1 327.7 0.96 19 500 5930 -3.7 -28.7 12 25.0 -10.7 275 10 328.5 328.7 292.0 331.1 0.72 20 464 6518 -6.9 -40.9 5 34.0 -13.8 274 9 331.6 331.7 292.4 332.5 0.23 21 454 6688 -7.9 -37.9 7 30.0 -14.4 276 8 332.5 332.5 292.7 333.7 0.32 22 400 7660 -15.3 -32.3 22 17.0 -19.1 280 6 335.1 335.2 293.7 337.5 0.64 23 390 7850 -16.7 -27.7 38 11.0 -19.5 284 7 335.7 335.9 294.1 339.4 1.01 24 362 8405 -20.7 -39.7 17 19.0 -23.8 297 10 337.6 337.7 294.0 338.9 0.34 25 359 8466 -20.1 -47.1 7 27.0 -23.8 298 11 339.2 339.2 294.3 339.8 0.15 26 300 9770 -29.5 -57.5 5 28.0 -31.7 305 15 343.8 343.8 295.3 344.0 0.05 27 287 10084 -31.9 -53.9 9 22.0 -33.7 274 14 344.8 344.8 295.6 345.1 0.09 28 250 11040 -40.5 -54.5 21 14.0 -41.3 230 15 345.9 345.9 295.8 346.2 0.09 29 225 11749 -47.5 -57.5 31 10.0 -47.9 217 20 345.7 345.7 295.7 346.0 0.07 30 218 11958 -48.7 -67.7 9 19.0 -49.2 206 20 347.0 347.0 296.0 347.1 0.02 31 207 12297 -51.3 -59.3 38 8.0 -51.5 208 17 348.1 348.1 296.3 348.4 0.06 32 202 12456 -52.3 -78.3 3 26.0 -52.7 210 16 349.0 349.0 296.4 349.0 0.00 33 200 12520 -52.9 -70.9 10 18.0 -53.2 210 16 349.0 349.0 296.4 349.1 0.01 34 185 13019 -57.1 -66.1 31 9.0 -57.3 222 18 350.1 350.1 296.7 350.2 0.03 35 179 13227 -58.5 -75.5 9 17.0 -58.7 226 18 351.1 351.1 296.9 351.1 0.01 36 168 13624 -61.5 -75.5 14 14.0 -61.6 228 20 352.5 352.5 297.2 352.6 0.01 37 150 14320 -65.9 -77.9 17 12.0 -66.0 210 22 356.6 356.6 298.0 356.6 0.01 38 113 15981 -79.3 -84.3 43 5.0 -79.3 209 18 361.6 361.6 299.0 361.7 0.00 39 100 16670 -81.7 -87.7 35 6.0 -81.7 350 13 369.9 369.9 300.5 369.9 0.00 40 95 16958 -82.7 -89.7 29 7.0 -82.7 345 17 373.4 373.4 301.2 373.4 0.00 41 82 17785 -80.7 -88.7 25 8.0 -80.7 22 2 393.5 393.5 304.3 393.5 0.00 42 70 18700 -71.5 -90.5 4 19.0 -71.6 60 12 431.4 431.4 309.0 431.4 0.00 43 60 19606 -73.1 -91.1 5 18.0 -73.2 66 12 447.3 447.3 310.6 447.3 0.00 44 51 20562 -70.9 -91.9 3 21.0 -71.1 78 19 473.7 473.7 313.0 473.7 0.00 45 50 20680 -69.3 -92.3 2 23.0 -69.5 105 26 480.2 480.2 313.5 480.2 0.00 46 44 21460 -61.5 -90.5 1 29.0 -62.0 77 27 517.1 517.1 316.1 517.1 0.00 47 38 22373 -59.9 -88.9 1 29.0 -60.6 78 16 543.3 543.3 317.7 543.4 0.00 48 32 23451 -58.9 -88.9 1 30.0 -59.9 91 24 573.4 573.4 319.3 573.4 0.00 49 30 23860 -55.3 -86.3 1 31.0 -56.8 100 30 593.9 593.9 320.3 593.9 0.01 50 26 24779 -51.5 -84.5 1 33.0 -54.0 87 38 629.5 629.5 321.9 629.6 0.01 51 20 26490 -48.9 -83.9 1 35.0 -52.7 95 38 686.5 686.5 324.0 686.6 0.02 52 14 28852 -45.3 -82.3 1 37.0 -51.5 109 46 772.4 772.4 326.5 772.7 0.03 TRP 95 16958 -82.7 -89.7 29 7.0 -82.7 345 17 373.4 373.4 301.2 373.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 551.97 mb = 5147.65 m = 16888.41 ft Wetbulb zero: 668.17 mb = 3592.43 m = 11786.06 ft Precipitable water: 1.55 inches Sfc-500 mean rel hum: 44.65 % Est. max temperature: 31.63 C = 88.93 F Sfc-Lift cond lev (LCL): 988.56 mb = 250.93 m = 823.26 ft T: 26.04 C 700-500 lapse rate: 5.25 C/km ThetaE index: 17.86 C Layer 850.0- 770.0 mb Conv cond level (CCL): 865.53 mb = 1408.72 m = 4621.72 ft Mean mixing ratio: 15.14 g/kg Conv temperature: 31.64 C = 88.96 F Cap Strength: 3.51 C Lifted Index: 1.20 C Risk: Showers probable Lifted Index @300 mb: 1.83 C Lifted Index @700 mb: 1.50 C Showalter Index: 1.55 C Risk: Showers probable Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 19.50 C K Index: 25.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 225.60 Risk: None Energy Index: -2.40 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.35 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 37541.12 J/kg Cap Strength: 3.42 C Lift Cond Lev (LCL): 905.27 mb = 1021.18 m = 3350.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 124 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 1016 18 140 4 -2.6 3.1 | 286 4 3.4 -1.0 1 1000 149 100 10 -9.8 1.7 | 59 5 -3.9 -2.3 2 982 305 90 6 -6.0 0.0 | 0 4 -0.0 -4.1 3 949 610 10 4 -0.7 -3.9 | 327 10 5.3 -8.0 4 925 835 35 7 -4.0 -5.7 | 349 10 2.0 -9.8 5 917 914 40 9 -5.8 -6.9 | 359 11 0.2 -11.0 6 854 1524 55 15 -12.3 -8.6 | 26 14 -6.3 -12.7 7 850 1565 55 13 -10.6 -7.5 | 22 12 -4.7 -11.5 8 824 1829 65 16 -14.5 -6.8 | 38 14 -8.5 -10.8 9 795 2134 85 17 -16.9 -1.5 | 63 12 -11.0 -5.5 10 713 3048 100 6 -5.9 1.0 | 359 3 0.1 -3.0 11 700 3207 95 8 -8.0 0.7 | 31 4 -2.0 -3.4 12 614 4267 160 8 -2.7 7.5 | 223 5 3.2 3.5 13 528 5486 250 9 8.5 3.1 | 274 14 14.4 -1.0 14 500 5930 275 10 10.0 -0.9 | 287 17 15.9 -4.9 15 489 6096 270 10 10.0 -0.0 | 284 16 16.0 -4.1 16 402 7620 285 5 4.8 -1.3 | 296 12 10.8 -5.4 17 400 7660 280 6 5.9 -1.0 | 293 13 11.9 -5.1 18 355 8534 300 11 9.5 -5.5 | 302 18 15.5 -9.6 19 327 9144 305 12 9.8 -6.9 | 305 19 15.8 -10.9 20 301 9754 300 14 12.1 -7.0 | 301 21 18.1 -11.1 21 300 9770 305 15 12.3 -8.6 | 305 22 18.3 -12.7 22 276 10363 245 13 11.8 5.5 | 265 18 17.8 1.4 23 252 10973 230 14 10.7 9.0 | 254 17 16.7 4.9 24 250 11040 230 15 11.5 9.6 | 252 18 17.5 5.6 25 230 11582 230 19 14.6 12.2 | 248 22 20.5 8.2 26 220 11887 205 20 8.5 18.1 | 226 20 14.4 14.1 27 201 12497 210 16 8.0 13.9 | 235 17 14.0 9.8 28 200 12520 210 16 8.0 13.9 | 235 17 14.0 9.8 29 182 13106 225 18 12.7 12.7 | 245 21 18.7 8.7 30 157 14021 230 21 16.1 13.5 | 247 24 22.1 9.4 31 150 14320 210 22 11.0 19.1 | 229 23 17.0 15.0 32 150 14326 215 27 15.5 22.1 | 230 28 21.5 18.1 33 142 14630 205 17 7.2 15.4 | 229 17 13.2 11.3 34 109 16154 210 18 9.0 15.6 | 232 19 15.0 11.5 35 100 16670 350 13 2.3 -12.8 | 334 19 8.2 -16.9 36 98 16764 235 8 6.6 4.6 | 268 13 12.5 0.5 37 95 16958 345 17 4.4 -16.4 | 333 23 10.4 -20.5 38 88 17374 340 15 5.1 -14.1 | 329 21 11.1 -18.2 39 84 17678 0 0 -0.0 -0.0 | 304 7 6.0 -4.1 40 75 18288 115 10 -9.1 4.2 | 93 3 -3.1 0.2 41 71 18593 100 25 -24.6 4.3 | 91 19 -18.6 0.3 42 70 18700 60 12 -10.4 -6.0 | 24 11 -4.4 -10.1 43 64 19202 45 13 -9.2 -9.2 | 14 14 -3.2 -13.3 44 61 19507 55 11 -9.0 -6.3 | 16 11 -3.0 -10.4 45 58 19812 90 14 -14.0 0.0 | 63 9 -8.0 -4.1 46 52 20422 45 11 -7.8 -7.8 | 9 12 -1.8 -11.8 47 50 20680 105 26 -25.1 6.7 | 98 19 -19.1 2.7 48 47 21031 85 33 -32.9 -2.9 | 76 28 -26.9 -6.9 49 45 21336 80 29 -28.6 -5.0 | 68 24 -22.6 -9.1 50 39 22250 60 15 -13.0 -7.5 | 31 14 -7.0 -11.6 51 37 22555 100 18 -17.7 3.1 | 85 12 -11.8 -0.9 52 35 22860 100 25 -24.6 4.3 | 91 19 -18.6 0.3 53 34 23165 85 20 -19.9 -1.7 | 67 15 -13.9 -5.8 54 30 23860 100 30 -29.5 5.2 | 93 24 -23.6 1.1 55 29 24079 105 30 -29.0 7.8 | 99 23 -23.0 3.7 56 26 24689 85 39 -38.9 -3.4 | 77 34 -32.9 -7.5 57 25 24994 90 36 -36.0 0.0 | 82 30 -30.0 -4.1 58 24 25298 70 35 -32.9 -12.0 | 59 31 -26.9 -16.0 59 21 26213 80 29 -28.6 -5.0 | 68 24 -22.6 -9.1 60 20 26490 95 38 -37.9 3.3 | 89 32 -31.9 -0.7 61 20 26518 100 33 -32.5 5.7 | 94 27 -26.5 1.7 62 17 27127 85 38 -37.9 -3.3 | 77 33 -31.9 -7.4 63 14 27737 110 46 -43.2 15.7 | 107 39 -37.3 11.7 64 9 29261 95 45 -44.8 3.9 | 90 39 -38.9 -0.1 Wind Parameters Mean winds (0-6000m): 94.2 at 9.6 knts Storm direction: 124.2 at 7.2 knts Shear (0-3000m) pos: 1.0 neg: 1.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 79.3 deg Storm rel helicity (0-3000m) pos: 65.6 neg: -18.3 tot: 47.4 m^2/s^2 ave: 15.8 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.76 Bulk Shear: 1.24 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 91 7 9 4| 0.0 7.1 7.1| 1.6 -8.4 -6.7 -13.4 0.02| 17.2 0.4 1000 62 7 359 7| 2.8 3.5 6.4| 19.4 -11.9 7.5 7.5 0.21| 13.1 2.8 1500 56 9 7 9| 3.7 2.4 6.0| 36.1 -11.9 24.2 16.1 0.33| 10.7 3.6 2000 59 10 17 10| 3.5 1.8 5.3| 58.5 -12.6 45.9 23.0 0.42| 10.1 4.3 2500 67 11 27 10| 2.2 1.4 3.6| 65.6 -13.9 51.7 20.7 0.39| 9.5 3.7 3000 71 11 29 9| 1.0 1.2 2.2| 65.6 -18.3 47.4 15.8 0.27| 9.0 2.5 4000 79 10 33 7| 1.4 0.9 2.2| 68.8 -18.3 50.5 12.6 0.33| 7.9 2.6 5000 90 10 43 5| 1.4 0.7 2.1| 79.8 -18.3 61.5 12.3 0.36| 7.3 2.6 6000 94 10 47 5| 1.1 0.6 1.7|109.3 -19.8 89.5 14.9 0.41| 6.9 2.8 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250426.11.gif