UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043011.upa.cvt Date: 1100Z 30 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 30 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 25.0 25.0 100 0.0 25.0 90 6 296.9 300.5 297.7 354.9 20.02 1 1000 143 24.6 23.4 93 1.2 23.8 100 5 297.8 301.1 296.9 351.2 18.41 2 990 231 25.8 22.3 81 3.5 23.3 143 4 299.8 303.0 296.8 350.6 17.37 3 925 822 22.0 20.6 92 1.4 21.0 245 7 301.8 304.9 296.9 351.2 16.74 4 865 1408 18.6 17.1 91 1.5 17.6 294 6 304.1 306.8 295.9 346.8 14.33 5 850 1560 18.0 15.1 83 2.9 16.0 310 5 305.0 307.4 295.1 343.3 12.80 6 755 2570 14.2 9.2 72 5.0 11.0 295 2 311.4 313.2 294.6 341.3 9.72 7 746 2671 13.0 9.9 81 3.1 11.0 286 1 311.2 313.1 295.0 342.9 10.33 8 728 2877 12.6 6.6 67 6.0 8.9 263 4 312.9 314.5 294.1 339.1 8.43 9 700 3206 10.4 1.4 54 9.0 5.4 220 12 314.0 315.2 292.6 333.1 6.06 10 699 3218 10.4 1.4 54 9.0 5.4 220 12 314.1 315.3 292.6 333.2 6.07 11 618 4229 2.8 0.8 87 2.0 1.7 286 2 316.7 317.9 293.7 337.5 6.58 12 607 4374 4.0 -7.0 44 11.0 -1.2 282 2 319.7 320.4 292.2 331.9 3.73 13 604 4415 3.8 -12.2 30 16.0 -2.9 278 3 319.9 320.4 291.2 328.2 2.48 14 588 4632 2.6 -30.4 7 33.0 -6.5 258 6 321.0 321.1 289.6 322.8 0.52 15 568 4912 1.2 -35.8 4 37.0 -7.9 234 10 322.5 322.6 289.9 323.7 0.32 16 561 5011 0.2 -16.8 27 17.0 -6.2 228 11 322.5 322.8 291.3 328.7 1.83 17 558 5054 0.8 -28.2 9 29.0 -7.6 226 11 323.7 323.8 290.6 326.1 0.67 18 525 5542 -1.7 -45.7 2 44.0 -10.3 200 14 326.4 326.4 290.8 326.9 0.12 19 515 5695 -2.3 -37.3 5 35.0 -10.4 200 18 327.5 327.5 291.3 328.6 0.30 20 510 5772 -1.3 -38.3 4 37.0 -9.9 200 20 329.6 329.6 291.9 330.6 0.27 21 500 5930 -2.5 -36.5 5 34.0 -10.6 180 14 330.0 330.1 292.0 331.3 0.34 22 450 6753 -7.7 -35.7 9 28.0 -14.2 190 15 333.6 333.6 293.1 335.1 0.40 23 405 7557 -15.5 -36.5 15 21.0 -19.6 181 17 333.7 333.7 293.1 335.2 0.41 24 400 7650 -16.1 -40.1 11 24.0 -20.3 180 18 334.1 334.1 293.1 335.2 0.29 25 373 8173 -20.3 -45.3 9 25.0 -23.8 212 14 335.2 335.3 293.3 336.0 0.18 26 300 9760 -29.9 -55.9 6 26.0 -32.0 190 26 343.2 343.3 295.1 343.5 0.07 27 280 10247 -33.3 -58.3 6 25.0 -35.0 199 23 345.2 345.2 295.6 345.4 0.05 28 250 11030 -39.7 -62.7 7 23.0 -40.8 215 19 347.0 347.0 296.0 347.2 0.03 29 200 12510 -52.3 -72.3 7 20.0 -52.7 190 28 349.9 349.9 296.6 350.0 0.01 30 179 13218 -58.7 -74.7 11 16.0 -58.9 184 27 350.8 350.8 296.8 350.8 0.01 31 150 14310 -66.1 -82.1 9 16.0 -66.2 195 23 356.2 356.2 298.0 356.2 0.00 32 124 15438 -74.3 -85.3 17 11.0 -74.3 158 19 361.2 361.2 299.0 361.3 0.00 33 114 15922 -78.5 -85.5 31 7.0 -78.5 148 11 362.2 362.2 299.1 362.2 0.00 34 100 16660 -82.1 -86.8 44 4.7 -82.1 190 18 369.1 369.1 300.4 369.1 0.00 35 95 16946 -83.1 -87.1 50 4.0 -83.1 175 24 372.6 372.6 301.0 372.6 0.00 36 70 18680 -75.5 -91.5 6 16.0 -75.6 95 10 422.9 422.9 308.0 422.9 0.00 37 65 19109 -75.1 -92.1 5 17.0 -75.2 69 13 432.8 432.8 309.1 432.8 0.00 38 62 19386 -69.9 -92.9 2 23.0 -70.0 50 12 450.2 450.2 310.8 450.2 0.00 39 50 20680 -64.9 -91.9 1 27.0 -65.2 55 15 490.5 490.5 314.2 490.6 0.00 40 48 20931 -63.5 -92.5 1 29.0 -63.9 45 21 499.6 499.6 314.9 499.6 0.00 41 45 21327 -64.9 -91.9 1 27.0 -65.3 50 10 505.6 505.6 315.4 505.6 0.00 42 35 22883 -59.9 -90.9 1 31.0 -60.7 112 19 556.3 556.3 318.5 556.3 0.00 43 31 23651 -55.5 -88.5 1 33.0 -57.0 86 28 587.8 587.8 320.0 587.8 0.00 44 30 23860 -55.9 -88.9 1 33.0 -57.3 85 31 592.2 592.2 320.3 592.3 0.00 45 20 26480 -49.7 -85.7 1 36.0 -53.3 105 27 684.0 684.1 323.9 684.1 0.01 46 19 26816 -49.5 -85.5 1 36.0 -53.3 111 32 694.8 694.8 324.3 694.9 0.01 TRP 95 16946 -83.1 -87.1 50 4.0 -83.1 175 24 372.6 372.6 301.0 372.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 547.44 mb = 5210.29 m = 17093.92 ft Wetbulb zero: 611.55 mb = 4313.95 m = 14153.20 ft Precipitable water: 1.95 inches Sfc-500 mean rel hum: 58.89 % Est. max temperature: 32.25 C = 90.06 F Sfc-Lift cond lev (LCL): 1015.49 mb = 18.00 m = 59.05 ft T: 25.00 C 700-500 lapse rate: 4.74 C/km ThetaE index: 9.88 C Layer 865.0- 746.0 mb Conv cond level (CCL): 904.61 mb = 1016.85 m = 3336.07 ft Mean mixing ratio: 17.39 g/kg Conv temperature: 30.71 C = 87.28 F Cap Strength: 1.20 C Lifted Index: -0.00 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.20 C Lifted Index @700 mb: -0.52 C Showalter Index: 2.99 C Risk: Showers probable Total Totals Index: 38.10 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 17.60 C K Index: 26.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 205.20 Risk: None Energy Index: -2.20 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 695.51 J/kg Max Up Vert Vel: 37.30 m/s Conv Inhibition (B-): 18.61 J/kg Cap Strength: 1.20 C Lift Cond Lev (LCL): 935.97 mb = 719.38 m = 2360.13 ft Lev Free Conv (LFC): 860.97 mb = 1448.74 m = 4753.01 ft Equ Level (EL): 840.97 mb = 1651.03 m = 5416.71 ft B at Equ Level: 16.59 J/kg Max Parcel Lev (MPL): 100.97 mb = 16605.59 m = 54479.61 ft Wind level data Storm motion: 256 at 5 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 90 6 -6.0 0.0 | 84 11 -11.2 -1.3 1 1000 143 100 5 -4.9 0.9 | 88 10 -10.1 -0.4 2 982 305 180 4 0.0 4.0 | 118 6 -5.2 2.7 3 948 610 225 6 4.2 4.2 | 163 3 -0.9 3.0 4 925 822 245 7 6.3 3.0 | 214 2 1.2 1.7 5 915 914 270 5 5.0 -0.0 | 8 1 -0.2 -1.3 6 854 1524 300 6 5.2 -3.0 | 360 4 0.0 -4.3 7 850 1560 310 5 3.8 -3.2 | 17 5 -1.4 -4.5 8 794 2134 330 4 2.0 -3.5 | 34 6 -3.2 -4.7 9 739 2743 280 1 1.0 -0.2 | 71 4 -4.2 -1.4 10 700 3206 220 12 7.7 9.2 | 198 8 2.5 7.9 11 687 3353 220 12 7.7 9.2 | 198 8 2.5 7.9 12 614 4267 290 1 0.9 -0.3 | 69 5 -4.2 -1.6 13 569 4877 235 10 8.2 5.7 | 214 5 3.0 4.5 14 528 5486 200 13 4.4 12.2 | 176 11 -0.7 11.0 15 509 5791 200 20 6.8 18.8 | 185 18 1.7 17.5 16 500 5930 180 14 0.0 14.0 | 158 14 -5.2 12.7 17 489 6096 170 15 -2.6 14.8 | 150 16 -7.8 13.5 18 452 6706 190 15 2.6 14.8 | 169 14 -2.6 13.5 19 402 7620 180 17 0.0 17.0 | 162 17 -5.2 15.7 20 400 7650 180 18 0.0 18.0 | 163 18 -5.2 16.7 21 355 8534 235 11 9.0 6.3 | 217 6 3.8 5.0 22 340 8839 185 10 0.9 10.0 | 154 10 -4.3 8.7 23 300 9754 185 26 2.3 25.9 | 173 25 -2.9 24.6 24 300 9760 190 26 4.5 25.6 | 178 24 -0.7 24.3 25 250 11030 215 19 10.9 15.6 | 202 15 5.7 14.3 26 230 11582 220 20 12.9 15.3 | 209 16 7.7 14.1 27 210 12192 195 20 5.2 19.3 | 180 18 -0.0 18.1 28 200 12510 190 28 4.9 27.6 | 179 26 -0.3 26.3 29 165 13716 180 26 0.0 26.0 | 168 25 -5.2 24.7 30 150 14310 195 23 6.0 22.2 | 182 21 0.8 21.0 31 150 14326 195 18 4.7 17.4 | 178 16 -0.5 16.1 32 142 14630 190 29 5.0 28.6 | 180 27 -0.1 27.3 33 115 15850 140 13 -8.4 10.0 | 123 16 -13.5 8.7 34 109 16154 185 4 0.3 4.0 | 119 6 -4.8 2.7 35 104 16459 190 14 2.4 13.8 | 168 13 -2.7 12.5 36 100 16660 190 18 3.1 17.7 | 173 17 -2.1 16.5 37 95 16946 175 24 -2.1 23.9 | 162 24 -7.3 22.6 38 93 17069 180 24 0.0 24.0 | 167 23 -5.2 22.7 39 84 17678 145 21 -12.0 17.2 | 133 23 -17.2 15.9 40 79 17983 55 11 -9.0 -6.3 | 62 16 -14.2 -7.6 41 75 18288 25 10 -4.2 -9.1 | 42 14 -9.4 -10.3 42 71 18593 345 10 2.6 -9.7 | 13 11 -2.6 -10.9 43 70 18680 95 10 -10.0 0.9 | 89 15 -15.1 -0.4 44 67 18898 95 10 -10.0 0.9 | 89 15 -15.1 -0.4 45 64 19202 60 14 -12.1 -7.0 | 64 19 -17.3 -8.3 46 61 19507 45 11 -7.8 -7.8 | 55 16 -13.0 -9.0 47 58 19812 125 10 -8.2 5.7 | 108 14 -13.4 4.5 48 55 20117 90 18 -18.0 0.0 | 87 23 -23.2 -1.3 49 52 20422 95 11 -11.0 1.0 | 89 16 -16.1 -0.3 50 50 20680 55 15 -12.3 -8.6 | 61 20 -17.5 -9.9 51 50 20726 55 23 -18.8 -13.2 | 59 28 -24.0 -14.5 52 47 21031 40 20 -12.9 -15.3 | 47 25 -18.0 -16.6 53 45 21336 50 10 -7.7 -6.4 | 59 15 -12.8 -7.7 54 43 21641 90 2 -2.0 0.0 | 80 7 -7.2 -1.3 55 39 22250 145 13 -7.5 10.6 | 127 16 -12.6 9.4 56 37 22555 100 14 -13.8 2.4 | 94 19 -19.0 1.2 57 35 22860 115 18 -16.3 7.6 | 106 22 -21.5 6.3 58 34 23165 90 22 -22.0 0.0 | 87 27 -27.2 -1.3 59 30 23860 85 31 -30.9 -2.7 | 84 36 -36.1 -4.0 60 28 24384 85 31 -30.9 -2.7 | 84 36 -36.1 -4.0 61 26 24689 100 25 -24.6 4.3 | 96 30 -29.8 3.1 62 24 25298 75 19 -18.4 -4.9 | 75 24 -23.5 -6.2 63 23 25603 110 21 -19.7 7.2 | 103 26 -24.9 5.9 64 20 26480 105 27 -26.1 7.0 | 100 32 -31.3 5.7 65 20 26518 115 32 -29.0 13.5 | 110 36 -34.2 12.3 66 17 27127 100 31 -30.5 5.4 | 97 36 -35.7 4.1 Wind Parameters Mean winds (0-6000m): 226.3 at 7.1 knts Storm direction: 256.3 at 5.3 knts Shear (0-3000m) pos: 1.6 neg: 1.4 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 135.4 deg Storm rel helicity (0-3000m) pos: 24.7 neg: -0.6 tot: 24.1 m^2/s^2 ave: 8.0 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 4.1 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 89.95 Bulk Shear: 7.73 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 ------------------------------------------------------------------------------- 500 149 5 111 8| 10.2 0.0 10.2| 14.9 0.0 14.9 29.9 0.71| 10.9 7.8 1000 213 5 146 4| 5.7 0.0 5.7| 17.7 -0.1 17.6 17.6 0.78| 10.1 7.8 1500 248 5 172 1| 4.0 0.0 4.0| 17.8 -0.1 17.7 11.8 0.69| 7.6 5.2 2000 270 5 356 1| 2.3 0.0 2.3| 21.1 -0.1 20.9 10.5 0.71| 6.4 4.6 2500 280 5 10 2| 1.9 0.5 2.4| 23.5 -0.1 23.4 9.4 0.71| 5.7 4.1 3000 278 5 20 2| 1.6 1.4 2.9| 24.7 -0.6 24.1 8.0 0.64| 6.5 4.1 4000 250 6 193 1| 1.4 1.4 2.8| 29.4 -3.4 26.0 6.5 0.51| 7.1 3.6 5000 244 6 174 1| 1.1 2.0 3.1| 30.2 -8.0 22.2 4.4 0.32| 7.2 2.3 6000 226 7 179 4| 0.9 2.1 3.0| 35.6 -49.2 -13.5 -2.3 0.13| 7.7 1.0 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250430.11.gif