UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042623.upa.cvt Date: 2300Z 26 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 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 1015 18 30.0 23.0 66 7.0 24.9 130 3 301.9 305.1 297.5 354.1 17.69 1 1000 141 28.0 22.0 70 6.0 23.6 175 5 301.1 304.2 296.8 350.8 16.87 2 925 827 21.6 20.6 94 1.0 20.9 115 7 301.4 304.5 296.8 350.7 16.74 3 908 988 20.0 19.9 99 0.1 19.9 94 9 301.4 304.3 296.5 349.4 16.32 4 857 1487 17.6 16.4 93 1.2 16.8 84 17 303.9 306.4 295.5 345.0 13.82 5 850 1557 18.0 15.4 85 2.6 16.3 85 18 305.0 307.4 295.3 344.0 13.06 6 832 1741 18.8 11.8 64 7.0 14.3 85 16 307.7 309.7 294.2 339.5 10.51 7 812 1949 17.2 13.2 77 4.0 14.6 87 12 308.2 310.4 295.3 344.0 11.83 8 794 2140 17.6 10.6 64 7.0 13.1 90 8 310.6 312.5 294.7 341.7 10.16 9 740 2739 14.2 -0.8 36 15.0 6.2 93 9 313.2 314.1 291.3 328.6 4.88 10 734 2808 14.8 -13.2 13 28.0 2.9 94 9 314.6 314.9 289.0 320.8 1.88 11 712 3064 12.4 -2.6 35 15.0 4.6 98 10 314.7 315.5 291.4 328.8 4.44 12 700 3207 11.8 -7.2 26 19.0 2.8 125 8 315.6 316.2 290.5 325.9 3.18 13 684 3400 11.4 -11.6 19 23.0 1.4 142 7 317.2 317.6 290.2 324.8 2.30 14 665 3634 9.6 -2.4 43 12.0 3.3 162 6 317.7 318.7 292.6 333.2 4.82 15 657 3734 9.2 -12.8 20 22.0 -0.2 171 6 318.4 318.8 290.5 325.6 2.17 16 650 3822 8.6 -2.4 46 11.0 2.8 179 5 318.7 319.6 292.9 334.6 4.94 17 632 4053 7.4 -19.6 13 27.0 -2.5 199 4 319.9 320.1 290.0 324.3 1.28 18 577 4796 3.6 -16.4 22 20.0 -4.2 218 5 323.9 324.2 291.7 330.2 1.84 19 534 5419 -0.9 -12.9 40 12.0 -5.9 217 7 325.8 326.3 293.0 334.8 2.65 20 500 5940 -3.9 -18.9 30 15.0 -9.2 215 9 328.3 328.6 292.9 334.3 1.72 21 458 6630 -8.9 -40.9 6 32.0 -15.1 266 10 330.4 330.4 292.0 331.3 0.23 22 426 7189 -12.9 -34.9 14 22.0 -17.6 284 10 332.2 332.3 292.8 333.9 0.46 23 400 7670 -14.7 -30.7 24 16.0 -18.5 255 7 335.9 336.0 294.0 338.6 0.74 24 385 7958 -16.9 -30.9 29 14.0 -20.1 248 8 336.7 336.8 294.2 339.5 0.75 25 376 8135 -17.3 -39.3 13 22.0 -21.3 244 8 338.4 338.5 294.3 339.8 0.34 26 315 9432 -28.3 -36.3 46 8.0 -29.6 211 11 340.7 340.8 295.0 342.8 0.54 27 300 9780 -31.1 -44.1 27 13.0 -32.6 220 11 341.5 341.6 294.9 342.6 0.25 28 295 9898 -32.1 -46.1 24 14.0 -33.6 224 11 341.8 341.8 295.0 342.6 0.21 29 272 10464 -37.1 -46.1 39 9.0 -37.9 243 12 342.5 342.6 295.1 343.5 0.23 30 260 10773 -39.1 -60.1 9 21.0 -40.2 245 12 344.1 344.1 295.3 344.2 0.04 31 250 11040 -41.3 -59.3 13 18.0 -42.2 235 13 344.7 344.7 295.5 344.9 0.05 32 243 11233 -42.7 -66.7 5 24.0 -43.5 231 14 345.4 345.4 295.6 345.5 0.02 33 200 12520 -53.5 -71.5 9 18.0 -53.8 200 23 348.0 348.0 296.2 348.1 0.01 34 194 12715 -54.7 -72.7 9 18.0 -55.0 193 25 349.2 349.2 296.4 349.2 0.01 35 157 14033 -65.3 -77.3 17 12.0 -65.4 202 21 353.0 353.0 297.3 353.0 0.01 36 150 14310 -66.1 -81.1 11 15.0 -66.2 205 20 356.2 356.2 298.0 356.2 0.00 37 112 16028 -79.3 -83.5 50 4.2 -79.3 188 12 362.6 362.6 299.2 362.6 0.00 38 109 16182 -80.3 -84.9 46 4.6 -80.3 200 11 363.5 363.5 299.4 363.5 0.00 39 100 16670 -79.5 -88.5 21 9.0 -79.5 205 14 374.1 374.1 301.3 374.1 0.00 40 89 17326 -82.5 -89.5 29 7.0 -82.5 124 14 380.8 380.8 302.4 380.8 0.00 41 83 17721 -78.1 -88.1 18 10.0 -78.1 72 14 397.5 397.5 304.9 397.5 0.00 42 77 18150 -78.1 -90.1 13 12.0 -78.1 49 16 406.1 406.1 306.0 406.1 0.00 43 70 18700 -74.1 -91.1 6 17.0 -74.2 20 1 425.9 425.9 308.4 425.9 0.00 44 58 19801 -70.1 -91.1 3 21.0 -70.2 75 16 458.4 458.4 311.6 458.4 0.00 45 55 20115 -70.3 -92.3 3 22.0 -70.4 100 24 465.0 465.0 312.2 465.0 0.00 46 51 20569 -63.1 -91.1 1 28.0 -63.5 88 14 492.0 492.0 314.4 492.0 0.00 47 50 20690 -63.9 -90.9 1 27.0 -64.3 85 12 492.9 492.9 314.4 492.9 0.00 48 45 21334 -65.9 -90.9 2 25.0 -66.2 108 18 503.1 503.1 315.2 503.1 0.00 49 41 21900 -65.3 -91.3 2 26.0 -65.7 129 13 518.2 518.2 316.2 518.2 0.00 50 31 23649 -54.3 -87.3 1 33.0 -55.9 92 34 591.0 591.0 320.2 591.1 0.01 51 30 23860 -53.9 -86.9 1 33.0 -55.7 95 33 597.7 597.7 320.5 597.7 0.01 52 24 25293 -52.1 -86.1 1 34.0 -54.6 85 23 642.3 642.3 322.4 642.4 0.01 53 20 26470 -52.1 -86.1 1 34.0 -55.0 75 32 676.7 676.7 323.7 676.8 0.01 54 17 27527 -50.1 -85.1 1 35.0 -53.9 75 28 715.3 715.3 324.9 715.4 0.02 TRP 109 16182 -80.3 -84.9 46 4.6 -80.3 200 11 363.5 363.5 299.4 363.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 542.60 mb = 5294.03 m = 17368.64 ft Wetbulb zero: 657.36 mb = 3729.23 m = 12234.87 ft Precipitable water: 1.75 inches Sfc-500 mean rel hum: 48.66 % Est. max temperature: 31.61 C = 88.90 F Sfc-Lift cond lev (LCL): 917.51 mb = 897.65 m = 2945.00 ft T: 20.90 C 700-500 lapse rate: 5.74 C/km ThetaE index: 23.19 C Layer 794.0- 712.0 mb Conv cond level (CCL): 913.58 mb = 934.90 m = 3067.22 ft Mean mixing ratio: 16.85 g/kg Conv temperature: 29.51 C = 85.12 F Cap Strength: 2.18 C Lifted Index: -1.28 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.29 C Lifted Index @700 mb: 0.94 C Showalter Index: 1.30 C Risk: Showers probable Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.30 C K Index: 18.30 Risk: < 20 % chance of thunderstorms Sweat Index: 229.80 Risk: None Energy Index: -1.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 722.54 J/kg Max Up Vert Vel: 38.01 m/s Conv Inhibition (B-): 0.96 J/kg Cap Strength: 2.05 C Lift Cond Lev (LCL): 914.70 mb = 924.23 m = 3032.22 ft Lev Free Conv (LFC): 909.70 mb = 971.83 m = 3188.39 ft Equ Level (EL): 849.70 mb = 1560.02 m = 5118.11 ft B at Equ Level: 9.70 J/kg Max Parcel Lev (MPL): 819.70 mb = 1868.08 m = 6128.81 ft Wind level data Storm motion: 152 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 1015 18 130 3 -2.3 1.9 | 351 3 0.5 -3.2 1 1000 141 175 5 -0.4 5.0 | 275 2 2.4 -0.2 2 982 305 150 4 -2.0 3.5 | 335 2 0.8 -1.7 3 948 610 125 6 -4.9 3.4 | 51 3 -2.1 -1.7 4 925 827 115 7 -6.3 3.0 | 58 4 -3.5 -2.2 5 916 914 100 8 -7.9 1.4 | 53 6 -5.1 -3.8 6 884 1219 75 12 -11.6 -3.1 | 47 12 -8.8 -8.3 7 853 1524 85 18 -17.9 -1.6 | 66 17 -15.1 -6.7 8 850 1557 85 18 -17.9 -1.6 | 66 17 -15.1 -6.7 9 823 1829 85 15 -14.9 -1.3 | 62 14 -12.1 -6.5 10 794 2134 90 8 -8.0 0.0 | 45 7 -5.2 -5.2 11 713 3048 95 10 -10.0 0.9 | 59 8 -7.2 -4.3 12 700 3207 125 8 -6.6 4.6 | 81 4 -3.8 -0.6 13 614 4267 220 3 1.9 2.3 | 301 6 4.7 -2.9 14 500 5940 215 9 5.2 7.4 | 255 8 8.0 2.2 15 436 7010 295 11 10.0 -4.6 | 308 16 12.8 -9.8 16 403 7620 255 7 6.8 1.8 | 289 10 9.6 -3.4 17 400 7670 255 7 6.8 1.8 | 289 10 9.6 -3.4 18 314 9449 210 11 5.5 9.5 | 242 9 8.3 4.4 19 300 9780 220 11 7.1 8.4 | 252 10 9.9 3.3 20 264 10668 250 12 11.3 4.1 | 274 14 14.1 -1.1 21 252 10973 235 12 9.8 6.9 | 262 13 12.6 1.7 22 250 11040 235 13 10.6 7.5 | 260 14 13.4 2.3 23 200 12520 200 23 7.9 21.6 | 213 20 10.7 16.4 24 191 12802 190 26 4.5 25.6 | 200 22 7.3 20.4 25 150 14310 205 20 8.5 18.1 | 221 17 11.2 13.0 26 150 14326 205 28 11.8 25.4 | 216 25 14.6 20.2 27 135 14935 210 12 6.0 10.4 | 239 10 8.8 5.2 28 128 15240 195 22 5.7 21.3 | 208 18 8.5 16.1 29 115 15850 175 14 -1.2 13.9 | 190 9 1.6 8.8 30 109 16182 200 11 3.8 10.3 | 232 8 6.6 5.2 31 100 16670 205 14 5.9 12.7 | 229 12 8.7 7.5 32 98 16764 205 13 5.5 11.8 | 231 11 8.3 6.6 33 84 17678 75 14 -13.5 -3.6 | 51 14 -10.7 -8.8 34 71 18593 25 18 -7.6 -16.3 | 13 22 -4.8 -21.5 35 70 18700 20 1 -0.3 -0.9 | 338 7 2.5 -6.1 36 61 19507 90 15 -15.0 0.0 | 67 13 -12.2 -5.2 37 58 19812 75 16 -15.5 -4.1 | 54 16 -12.7 -9.3 38 55 20117 100 24 -23.6 4.2 | 87 21 -20.8 -1.0 39 50 20690 85 12 -12.0 -1.0 | 56 11 -9.2 -6.2 40 50 20726 85 23 -22.9 -2.0 | 70 21 -20.1 -7.2 41 41 21946 130 13 -10.0 8.4 | 114 8 -7.2 3.2 42 39 22250 100 19 -18.7 3.3 | 83 16 -15.9 -1.9 43 35 22860 80 36 -35.5 -6.3 | 71 35 -32.7 -11.4 44 30 23860 95 33 -32.9 2.9 | 86 30 -30.1 -2.3 45 28 24384 95 33 -32.9 2.9 | 86 30 -30.1 -2.3 46 24 25298 85 23 -22.9 -2.0 | 70 21 -20.1 -7.2 47 22 25908 70 25 -23.5 -8.6 | 56 25 -20.7 -13.7 48 21 26213 100 28 -27.6 4.9 | 89 25 -24.8 -0.3 49 20 26470 75 32 -30.9 -8.3 | 64 31 -28.1 -13.4 50 18 26822 75 31 -29.9 -8.0 | 64 30 -27.1 -13.2 51 17 27127 75 28 -27.0 -7.2 | 63 27 -24.2 -12.4 52 15 27432 95 32 -31.9 2.8 | 85 29 -29.1 -2.4 53 13 28042 95 36 -35.9 3.1 | 86 33 -33.1 -2.0 Wind Parameters Mean winds (0-6000m): 121.6 at 7.8 knts Storm direction: 151.6 at 5.9 knts Shear (0-3000m) pos: 1.3 neg: 2.5 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 67.4 deg Storm rel helicity (0-3000m) pos: 23.0 neg: -16.0 tot: 7.0 m^2/s^2 ave: 2.3 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 0.4 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 260.28 Bulk Shear: 2.78 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 ------------------------------------------------------------------------------- 500 152 4 331 1| 2.5 0.0 2.5| 1.4 -1.4 -0.0 -0.0 0.08| 6.6 0.5 1000 127 6 46 2| 1.2 3.3 4.5| 2.0 -2.0 0.0 0.0 0.08| 6.7 0.5 1500 101 8 56 6| 0.8 5.1 5.9| 19.6 -5.1 14.5 9.6 0.19| 8.0 1.6 2000 95 10 59 8| 1.6 3.8 5.4| 19.6 -13.2 6.4 3.2 0.07| 7.9 0.6 2500 94 10 57 8| 1.7 3.0 4.7| 20.8 -16.0 4.8 1.9 0.04| 7.0 0.3 3000 94 10 56 8| 1.3 2.5 3.8| 23.0 -16.0 7.0 2.3 0.07| 6.0 0.4 4000 101 9 59 7| 2.4 1.9 4.3| 29.3 -16.0 13.3 3.3 0.21| 6.3 1.3 5000 106 8 59 6| 2.0 1.4 3.4| 30.7 -19.7 11.0 2.2 0.17| 5.5 0.9 6000 122 8 75 4| 1.8 1.0 2.9| 32.0 -24.7 7.3 1.2 0.12| 4.9 0.6 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250426.23.gif