UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042123.upa.cvt Date: 2300Z 21 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 21 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 29.4 21.4 62 8.0 23.6 280 7 301.3 304.3 296.3 348.5 16.02 1 1000 134 27.4 19.4 62 8.0 21.8 305 3 300.5 303.2 294.9 342.5 14.32 2 925 820 21.8 17.7 78 4.1 18.9 160 4 301.6 304.2 294.9 342.6 13.91 3 918 886 21.2 17.2 78 4.0 18.5 146 3 301.6 304.1 294.7 341.6 13.57 4 851 1539 16.8 14.4 86 2.4 15.2 305 8 303.6 305.9 294.3 339.9 12.21 5 850 1549 17.0 14.2 84 2.8 15.1 305 8 304.0 306.2 294.3 339.9 12.07 6 817 1887 17.0 9.0 59 8.0 12.0 305 12 307.4 309.1 292.9 334.3 8.85 7 812 1939 16.8 12.0 73 4.8 13.7 305 13 307.7 309.8 294.5 340.8 10.92 8 807 1992 17.6 2.6 37 15.0 9.2 305 13 309.1 310.2 290.8 326.8 5.72 9 802 2045 17.4 12.4 72 5.0 14.1 305 14 309.5 311.6 295.3 344.1 11.36 10 783 2250 18.2 -6.8 18 25.0 6.1 287 15 312.5 313.0 289.3 321.9 2.93 11 738 2754 13.8 -0.2 38 14.0 6.2 250 19 313.0 314.0 291.5 329.1 5.11 12 700 3197 10.2 -6.8 30 17.0 2.2 255 21 313.8 314.4 290.0 324.3 3.28 13 696 3245 9.6 -8.4 27 18.0 1.4 254 20 313.6 314.2 289.7 323.0 2.91 14 654 3759 7.8 -31.2 4 39.0 -3.3 265 12 317.2 317.3 288.3 318.8 0.43 15 624 4146 7.2 -39.8 2 47.0 -4.3 328 6 320.8 320.9 289.2 321.6 0.19 16 557 5071 1.8 -21.2 16 23.0 -6.2 310 8 325.0 325.3 291.6 329.5 1.26 17 500 5930 -5.5 -21.5 27 16.0 -10.7 265 13 326.3 326.6 292.0 331.1 1.37 18 471 6393 -9.7 -24.7 28 15.0 -14.0 260 14 326.7 327.0 291.9 330.6 1.10 19 450 6745 -7.7 -44.7 3 37.0 -14.6 214 18 333.6 333.6 292.9 334.2 0.16 20 401 7631 -12.5 -37.5 10 25.0 -17.7 230 17 338.5 338.6 294.3 340.0 0.38 21 400 7650 -12.7 -37.7 10 25.0 -17.9 230 17 338.5 338.6 294.3 339.9 0.37 22 300 9770 -30.3 -53.3 9 23.0 -32.3 225 15 342.7 342.7 295.0 343.0 0.09 23 298 9817 -30.7 -53.7 9 23.0 -32.6 225 15 342.8 342.8 295.1 343.1 0.09 24 254 10931 -38.1 -65.1 4 27.0 -39.4 225 23 347.8 347.8 296.2 347.9 0.02 25 250 11040 -39.1 -65.1 5 26.0 -40.2 235 19 347.9 347.9 296.2 348.0 0.02 26 200 12530 -51.5 -72.5 6 21.0 -51.9 235 16 351.2 351.2 296.9 351.3 0.01 27 164 13786 -62.7 -74.7 18 12.0 -62.8 216 25 352.9 352.9 297.3 353.0 0.01 28 150 14330 -66.9 -78.9 17 12.0 -67.0 225 21 354.8 354.8 297.7 354.9 0.01 29 136 14912 -71.7 -80.7 25 9.0 -71.8 228 25 356.4 356.4 298.0 356.4 0.00 30 100 16670 -82.7 -86.6 51 3.9 -82.7 200 16 367.9 367.9 300.2 368.0 0.00 31 86 17507 -85.1 -88.4 55 3.3 -85.1 255 6 379.3 379.3 302.1 379.3 0.00 32 70 18670 -75.5 -90.5 8 15.0 -75.6 150 15 422.9 422.9 308.0 422.9 0.00 33 62 19387 -68.5 -92.5 2 24.0 -68.7 124 21 453.3 453.3 311.1 453.3 0.00 34 59 19686 -67.5 -91.5 2 24.0 -67.7 93 21 462.0 462.0 312.0 462.0 0.00 35 55 20108 -69.3 -91.3 3 22.0 -69.5 80 20 467.3 467.3 312.4 467.3 0.00 36 50 20680 -68.1 -92.1 2 24.0 -68.3 35 23 483.0 483.0 313.7 483.0 0.00 37 49 20801 -67.9 -91.9 2 24.0 -68.1 42 29 486.3 486.3 314.0 486.3 0.00 38 47 21055 -62.7 -90.7 1 28.0 -63.1 38 25 504.6 504.6 315.2 504.6 0.00 39 42 21745 -64.5 -91.5 1 27.0 -64.9 62 14 516.6 516.6 316.1 516.6 0.00 40 30 23840 -56.3 -88.3 1 32.0 -57.7 90 26 591.2 591.2 320.2 591.2 0.01 41 27 24510 -55.3 -87.3 1 32.0 -57.0 94 21 612.1 612.1 321.2 612.1 0.01 42 26 24751 -55.5 -87.5 1 32.0 -57.2 94 25 618.1 618.1 321.4 618.2 0.01 43 22 25832 -48.5 -85.5 1 37.0 -52.2 93 24 669.2 669.2 323.4 669.3 0.01 44 20 26460 -47.9 -83.9 1 36.0 -52.0 110 23 689.6 689.6 324.1 689.7 0.02 45 18 27154 -48.9 -84.9 1 36.0 -53.0 107 28 707.5 707.5 324.7 707.6 0.02 46 14 28815 -45.9 -83.9 1 38.0 -52.0 85 32 770.4 770.4 326.5 770.6 0.02 TRP 86 17507 -85.1 -88.4 55 3.3 -85.1 255 6 379.3 379.3 302.1 379.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 542.95 mb = 5282.78 m = 17331.76 ft Wetbulb zero: 683.22 mb = 3397.81 m = 11147.52 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 37.16 % Est. max temperature: 31.31 C = 88.35 F Sfc-Lift cond lev (LCL): 903.17 mb = 1026.34 m = 3367.20 ft T: 20.25 C 700-500 lapse rate: 5.74 C/km ThetaE index: 22.18 C Layer 783.0- 738.0 mb Conv cond level (CCL): 746.79 mb = 2653.09 m = 8704.27 ft Mean mixing ratio: 14.20 g/kg Conv temperature: 40.99 C = 105.79 F Cap Strength: 5.29 C Lifted Index: 0.11 C Risk: Showers probable Lifted Index @300 mb: 2.08 C Lifted Index @700 mb: 1.63 C Showalter Index: 1.34 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.70 C K Index: 19.70 Risk: < 20 % chance of thunderstorms Sweat Index: 199.40 Risk: None Energy Index: -1.59 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.44 J/kg Max Up Vert Vel: 5.37 m/s Conv Inhibition (B-): 402.27 J/kg Cap Strength: 5.26 C Lift Cond Lev (LCL): 881.48 mb = 1235.78 m = 4054.35 ft Lev Free Conv (LFC): 496.48 mb = 5984.79 m = 19634.91 ft Equ Level (EL): 456.48 mb = 6634.99 m = 21768.08 ft B at Equ Level: 4.77 J/kg Max Parcel Lev (MPL): 446.48 mb = 6805.71 m = 22328.18 ft Wind level data Storm motion: 298 at 8 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 18 280 7 6.9 -1.2 | 181 2 0.1 2.4 1 1000 134 305 3 2.5 -1.7 | 114 5 -4.4 1.9 2 981 305 235 6 4.9 3.4 | 165 7 -1.9 7.1 3 947 610 180 2 0.0 2.0 | 130 9 -6.8 5.7 4 925 820 160 4 -1.4 3.8 | 132 11 -8.2 7.4 5 915 914 140 3 -1.9 2.3 | 124 11 -8.8 5.9 6 852 1524 305 8 6.6 -4.6 | 17 1 -0.3 -0.9 7 850 1549 305 8 6.6 -4.6 | 17 1 -0.3 -0.9 8 793 2134 305 15 12.3 -8.6 | 312 7 5.5 -5.0 9 765 2438 255 16 15.5 4.1 | 228 12 8.6 7.8 10 712 3048 245 21 19.0 8.9 | 224 17 12.2 12.5 11 700 3197 255 21 20.3 5.4 | 236 16 13.5 9.1 12 661 3658 250 14 13.2 4.8 | 217 11 6.3 8.4 13 614 4267 350 4 0.7 -3.9 | 87 6 -6.1 -0.3 14 500 5930 265 13 13.0 1.1 | 232 8 6.1 4.8 15 489 6096 270 13 13.0 -0.0 | 239 7 6.2 3.7 16 470 6401 260 14 13.8 2.4 | 229 9 7.0 6.1 17 452 6706 215 18 10.3 14.7 | 191 19 3.5 18.4 18 418 7315 200 21 7.2 19.7 | 181 23 0.4 23.4 19 402 7620 230 17 13.0 10.9 | 203 16 6.2 14.6 20 400 7650 230 17 13.0 10.9 | 203 16 6.2 14.6 21 370 8230 270 12 12.0 -0.0 | 235 6 5.2 3.7 22 355 8534 275 14 13.9 -1.2 | 251 8 7.1 2.4 23 300 9770 225 15 10.6 10.6 | 195 15 3.8 14.3 24 288 10058 225 15 10.6 10.6 | 195 15 3.8 14.3 25 276 10363 230 23 17.6 14.8 | 210 21 10.8 18.4 26 252 10973 225 23 16.3 16.3 | 205 22 9.4 19.9 27 250 11040 235 19 15.6 10.9 | 211 17 8.7 14.5 28 241 11278 245 19 17.2 8.0 | 222 16 10.4 11.7 29 200 12530 235 16 13.1 9.2 | 206 14 6.3 12.8 30 192 12802 235 16 13.1 9.2 | 206 14 6.3 12.8 31 165 13716 215 25 14.3 20.5 | 197 25 7.5 24.1 32 150 14330 225 21 14.8 14.8 | 203 20 8.0 18.5 33 128 15240 230 27 20.7 17.4 | 213 25 13.9 21.0 34 122 15545 220 34 21.9 26.0 | 207 33 15.0 29.7 35 104 16459 160 14 -4.8 13.2 | 145 20 -11.6 16.8 36 100 16670 200 16 5.5 15.0 | 176 19 -1.4 18.7 37 98 16764 200 10 3.4 9.4 | 165 13 -3.4 13.0 38 93 17069 140 12 -7.7 9.2 | 131 19 -14.5 12.8 39 86 17507 255 6 5.8 1.6 | 169 5 -1.0 5.2 40 71 18593 110 12 -11.3 4.1 | 113 20 -18.1 7.8 41 70 18670 150 15 -7.5 13.0 | 139 22 -14.3 16.6 42 61 19507 120 22 -19.1 11.0 | 120 30 -25.9 14.7 43 58 19812 75 21 -20.3 -5.4 | 86 27 -27.1 -1.8 44 52 20422 85 19 -18.9 -1.7 | 94 26 -25.8 2.0 45 50 20680 35 23 -13.2 -18.8 | 53 25 -20.0 -15.2 46 50 20726 45 30 -21.2 -21.2 | 58 33 -28.0 -17.6 47 47 21031 35 26 -14.9 -21.3 | 51 28 -21.7 -17.6 48 45 21336 60 20 -17.3 -10.0 | 75 25 -24.2 -6.3 49 43 21641 45 14 -9.9 -9.9 | 70 18 -16.7 -6.2 50 41 21946 90 14 -14.0 0.0 | 100 21 -20.8 3.7 51 37 22555 110 30 -28.2 10.3 | 112 38 -35.0 13.9 52 35 22860 75 30 -29.0 -7.8 | 83 36 -35.8 -4.1 53 30 23774 95 33 -32.9 2.9 | 99 40 -39.7 6.5 54 30 23840 90 26 -26.0 0.0 | 96 33 -32.8 3.7 55 29 24079 75 31 -29.9 -8.0 | 83 37 -36.8 -4.4 56 28 24384 90 18 -18.0 0.0 | 98 25 -24.8 3.7 57 26 24689 100 25 -24.6 4.3 | 104 32 -31.5 8.0 58 25 24994 75 26 -25.1 -6.7 | 84 32 -31.9 -3.1 59 23 25603 95 24 -23.9 2.1 | 101 31 -30.7 5.7 60 21 26213 90 23 -23.0 0.0 | 97 30 -29.8 3.7 61 20 26460 110 23 -21.6 7.9 | 112 31 -28.4 11.5 62 20 26518 110 23 -21.6 7.9 | 112 31 -28.4 11.5 63 17 27127 105 31 -29.9 8.0 | 108 39 -36.8 11.7 64 15 27432 115 35 -31.7 14.8 | 116 43 -38.6 18.4 65 14 27737 85 32 -31.9 -2.8 | 91 39 -38.7 0.9 66 10 29261 80 35 -34.5 -6.1 | 87 41 -41.3 -2.4 Wind Parameters Mean winds (0-6000m): 268.1 at 10.3 knts Storm direction: 298.1 at 7.7 knts Shear (0-3000m) pos: 2.9 neg: 3.7 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 43.0 deg Storm rel helicity (0-3000m) pos: 25.1 neg: -51.6 tot: -26.5 m^2/s^2 ave: -8.8 10^-3 m/s^2 rel: -0.29 Storm rel vorticity (0-3000m) horiz: 10.9 stream: -3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.97 Bulk Shear: 4.87 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 ------------------------------------------------------------------------------- 500 250 5 155 6| 0.0 7.6 7.6| 4.9 -10.3 -5.4 -10.7 -0.24| 14.5 -3.5 1000 217 4 146 8| 0.0 4.7 4.7| 10.9 -17.6 -6.7 -6.7 -0.19| 10.7 -2.1 1500 251 5 154 6| 3.8 3.1 6.9| 25.1 -17.7 7.4 4.9 -0.07| 12.9 -0.9 2000 286 6 154 2| 4.3 2.4 6.6| 25.1 -19.0 6.1 3.0 -0.11| 11.1 -1.2 2500 283 8 207 2| 3.4 3.6 7.1| 25.1 -48.2 -23.1 -9.2 -0.30| 12.1 -3.6 3000 270 10 219 5| 2.9 3.7 6.5| 25.1 -51.6 -26.5 -8.8 -0.29| 10.9 -3.2 4000 264 11 223 7| 3.3 2.8 6.0| 47.2 -64.8 -17.6 -4.4 -0.12| 11.2 -1.4 5000 269 10 222 5| 2.6 2.2 4.8| 50.4 -68.5 -18.1 -3.6 -0.11| 10.1 -1.1 6000 268 10 221 5| 2.2 2.5 4.7| 51.3 -74.2 -22.9 -3.8 -0.15| 9.3 -1.4 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250421.23.gif