UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043023.upa.cvt Date: 2300Z 30 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 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 1016 18 29.8 22.8 66 7.0 24.7 290 6 301.6 304.8 297.3 353.0 17.45 1 1000 168 28.0 22.0 70 6.0 23.6 260 4 301.1 304.2 296.8 350.8 16.87 2 943 673 23.4 20.0 81 3.4 21.0 195 4 301.6 304.5 296.2 348.1 15.80 3 925 838 22.6 16.6 69 6.0 18.5 195 4 302.4 304.8 294.5 340.7 12.95 4 850 1570 17.6 15.9 90 1.7 16.4 245 6 304.6 307.1 295.5 344.8 13.49 5 835 1723 17.0 15.6 91 1.4 16.1 250 6 305.5 308.0 295.7 345.8 13.47 6 807 2014 16.4 11.4 72 5.0 13.1 261 6 307.9 309.8 294.3 339.8 10.55 7 700 3213 9.0 -2.0 46 11.0 3.3 270 7 312.5 313.3 290.9 327.3 4.72 8 500 5940 -3.5 -36.5 6 33.0 -11.2 125 7 328.8 328.8 291.7 330.0 0.34 9 400 7660 -16.3 -42.3 9 26.0 -20.6 205 8 333.8 333.9 293.0 334.7 0.23 10 300 9770 -30.5 -55.5 7 25.0 -32.5 210 12 342.4 342.4 295.0 342.7 0.07 11 250 11040 -39.9 -65.9 5 26.0 -41.0 195 14 346.7 346.8 295.9 346.8 0.02 12 200 12520 -52.7 -69.7 11 17.0 -53.0 210 11 349.3 349.3 296.5 349.4 0.02 13 150 14310 -67.3 -77.3 23 10.0 -67.4 180 16 354.2 354.2 297.5 354.2 0.01 14 104 16431 -82.3 -87.3 42 5.0 -82.3 190 17 364.6 364.6 299.6 364.6 0.00 15 100 16650 -81.9 -87.9 35 6.0 -81.9 155 14 369.5 369.5 300.5 369.5 0.00 16 82 17762 -81.5 -88.5 29 7.0 -81.5 86 12 391.9 391.9 304.0 391.9 0.00 17 74 18348 -74.9 -87.9 12 13.0 -74.9 163 7 417.5 417.5 307.4 417.5 0.00 18 70 18670 -74.9 -88.9 10 14.0 -75.0 90 9 424.1 424.1 308.2 424.2 0.00 19 69 18754 -74.9 -88.9 10 14.0 -75.0 90 11 425.9 425.9 308.4 425.9 0.00 20 66 19015 -70.7 -87.7 6 17.0 -70.8 102 11 440.5 440.5 309.9 440.5 0.00 21 61 19484 -69.5 -88.5 5 19.0 -69.6 101 22 453.2 453.2 311.1 453.2 0.00 22 58 19784 -71.1 -90.1 4 19.0 -71.2 62 21 456.2 456.2 311.4 456.2 0.00 23 52 20441 -64.9 -88.9 2 24.0 -65.2 50 10 485.1 485.1 313.8 485.1 0.00 24 50 20680 -65.1 -89.1 2 24.0 -65.4 55 11 490.1 490.1 314.2 490.1 0.00 25 48 20928 -65.7 -89.7 2 24.0 -66.0 65 9 494.4 494.4 314.5 494.4 0.00 26 35 22883 -57.3 -87.3 1 30.0 -58.4 92 20 563.1 563.1 318.8 563.1 0.01 27 30 23860 -55.7 -85.7 1 30.0 -57.2 35 6 592.8 592.8 320.3 592.8 0.01 28 27 24534 -55.1 -86.1 1 31.0 -56.8 61 4 612.6 612.6 321.2 612.7 0.01 29 25 25024 -56.5 -86.5 1 30.0 -58.1 98 7 622.2 622.2 321.6 622.3 0.01 30 20 26460 -51.3 -84.3 1 33.0 -54.4 80 32 679.1 679.2 323.7 679.3 0.02 31 17 27518 -50.5 -83.5 1 33.0 -54.2 89 33 714.0 714.0 324.9 714.2 0.02 32 14 28809 -41.7 -79.7 1 38.0 -49.6 99 33 784.6 784.7 326.8 785.1 0.05 TRP 104 16431 -82.3 -87.3 42 5.0 -82.3 190 17 364.6 364.6 299.6 364.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 556.00 mb = 5176.44 m = 16982.86 ft Wetbulb zero: 654.26 mb = 3760.73 m = 12338.21 ft Precipitable water: 1.72 inches Sfc-500 mean rel hum: 49.62 % Est. max temperature: 32.35 C = 90.22 F Sfc-Lift cond lev (LCL): 918.36 mb = 900.36 m = 2953.90 ft T: 22.17 C 700-500 lapse rate: 4.58 C/km ThetaE index: 18.52 C Layer 807.0- 500.0 mb Conv cond level (CCL): 864.65 mb = 1422.09 m = 4665.58 ft Mean mixing ratio: 15.78 g/kg Conv temperature: 32.39 C = 90.30 F Cap Strength: 1.57 C Lifted Index: 0.11 C Risk: Showers probable Lifted Index @300 mb: -1.11 C Lifted Index @700 mb: -1.10 C Showalter Index: 1.34 C Risk: Showers probable Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 19.40 C K Index: 26.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 209.80 Risk: None Energy Index: -2.76 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 337.00 J/kg Max Up Vert Vel: 25.96 m/s Conv Inhibition (B-): 45.19 J/kg Cap Strength: 1.57 C Lift Cond Lev (LCL): 897.25 mb = 1101.66 m = 3614.33 ft Lev Free Conv (LFC): 752.25 mb = 2606.27 m = 8550.65 ft Equ Level (EL): 502.25 mb = 5903.58 m = 19368.47 ft B at Equ Level: 78.12 J/kg Max Parcel Lev (MPL): 142.25 mb = 14617.15 m = 47955.95 ft Wind level data Storm motion: 224 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 1016 18 290 6 5.6 -2.1 | 341 6 2.0 -5.8 1 1000 168 260 4 3.9 0.7 | 354 3 0.3 -3.1 2 984 305 240 5 4.3 2.5 | 330 1 0.7 -1.3 3 950 610 195 4 1.0 3.9 | 92 3 -2.6 0.1 4 925 838 195 4 1.0 3.9 | 92 3 -2.6 0.1 5 917 914 205 4 1.7 3.6 | 85 2 -1.9 -0.2 6 855 1524 245 6 5.4 2.5 | 304 2 1.8 -1.2 7 850 1570 245 6 5.4 2.5 | 304 2 1.8 -1.2 8 795 2134 265 6 6.0 0.5 | 324 4 2.4 -3.3 9 714 3048 270 7 7.0 -0.0 | 318 5 3.4 -3.8 10 700 3213 270 7 7.0 -0.0 | 318 5 3.4 -3.8 11 615 4267 190 2 0.3 2.0 | 61 4 -3.2 -1.8 12 570 4877 95 10 -10.0 0.9 | 78 14 -13.6 -2.9 13 549 5182 110 17 -16.0 5.8 | 96 20 -19.6 2.0 14 509 5791 155 13 -5.5 11.8 | 131 12 -9.1 8.0 15 500 5940 125 7 -5.7 4.0 | 91 9 -9.3 0.2 16 402 7620 205 8 3.4 7.3 | 176 3 -0.2 3.5 17 400 7660 205 8 3.4 7.3 | 176 3 -0.2 3.5 18 386 7925 240 15 13.0 7.5 | 248 10 9.4 3.7 19 355 8534 265 10 10.0 0.9 | 295 7 6.4 -2.9 20 313 9449 215 10 5.7 8.2 | 206 5 2.1 4.4 21 300 9770 210 12 6.0 10.4 | 200 7 2.4 6.6 22 264 10668 220 14 9.0 10.7 | 218 9 5.4 6.9 23 252 10973 195 14 3.6 13.5 | 180 10 0.0 9.7 24 250 11040 195 14 3.6 13.5 | 180 10 0.0 9.7 25 230 11582 185 11 1.0 11.0 | 160 8 -2.6 7.2 26 220 11887 215 10 5.7 8.2 | 206 5 2.1 4.4 27 201 12497 225 10 7.1 7.1 | 227 5 3.5 3.3 28 200 12520 210 11 5.5 9.5 | 198 6 1.9 5.7 29 182 13106 195 8 2.1 7.7 | 159 4 -1.5 3.9 30 173 13411 165 10 -2.6 9.7 | 134 9 -6.2 5.9 31 165 13716 180 14 0.0 14.0 | 161 11 -3.6 10.2 32 157 14021 170 16 -2.8 15.8 | 152 14 -6.4 12.0 33 150 14310 180 16 0.0 16.0 | 164 13 -3.6 12.2 34 128 15240 185 21 1.8 20.9 | 174 17 -1.8 17.1 35 121 15545 190 12 2.1 11.8 | 169 8 -1.5 8.0 36 115 15850 90 2 -2.0 0.0 | 56 7 -5.6 -3.8 37 104 16431 190 17 3.0 16.7 | 177 13 -0.6 13.0 38 103 16459 235 10 8.2 5.7 | 247 5 4.6 2.0 39 100 16650 155 14 -5.9 12.7 | 133 13 -9.5 8.9 40 98 16764 155 14 -5.9 12.7 | 133 13 -9.5 8.9 41 93 17069 105 13 -12.6 3.4 | 89 16 -16.2 -0.4 42 83 17678 70 13 -12.2 -4.4 | 63 18 -15.8 -8.2 43 75 18288 170 4 -0.7 3.9 | 92 4 -4.3 0.2 44 71 18593 140 16 -10.3 12.3 | 121 16 -13.9 8.5 45 70 18670 90 9 -9.0 0.0 | 73 13 -12.6 -3.8 46 67 18898 90 13 -13.0 0.0 | 77 17 -16.6 -3.8 47 64 19202 120 7 -6.1 3.5 | 88 10 -9.7 -0.3 48 61 19507 100 23 -22.7 4.0 | 90 26 -26.2 0.2 49 58 19812 60 21 -18.2 -10.5 | 57 26 -21.8 -14.3 50 55 20117 70 10 -9.4 -3.4 | 61 15 -13.0 -7.2 51 52 20422 50 10 -7.7 -6.4 | 48 15 -11.3 -10.2 52 50 20680 55 11 -9.0 -6.3 | 51 16 -12.6 -10.1 53 50 20726 85 3 -3.0 -0.3 | 58 8 -6.6 -4.0 54 47 21031 55 12 -9.8 -6.9 | 52 17 -13.4 -10.7 55 45 21336 105 13 -12.6 3.4 | 89 16 -16.2 -0.4 56 41 21946 90 25 -25.0 0.0 | 82 29 -28.6 -3.8 57 39 22250 105 23 -22.2 6.0 | 95 26 -25.8 2.2 58 37 22555 70 21 -19.7 -7.2 | 65 26 -23.3 -11.0 59 35 22860 95 20 -19.9 1.7 | 85 24 -23.5 -2.0 60 34 23165 75 22 -21.3 -5.7 | 69 27 -24.8 -9.5 61 32 23470 60 18 -15.6 -9.0 | 56 23 -19.2 -12.8 62 30 23774 70 15 -14.1 -5.1 | 63 20 -17.7 -8.9 63 30 23860 35 6 -3.4 -4.9 | 39 11 -7.0 -8.7 64 29 24079 35 6 -3.4 -4.9 | 39 11 -7.0 -8.7 65 26 24689 70 3 -2.8 -1.0 | 53 8 -6.4 -4.8 66 24 25298 120 10 -8.7 5.0 | 96 12 -12.3 1.2 67 22 25908 95 24 -23.9 2.1 | 86 28 -27.5 -1.7 68 20 26460 80 32 -31.5 -5.6 | 75 36 -35.1 -9.3 69 20 26518 80 34 -33.5 -5.9 | 75 38 -37.1 -9.7 70 14 27737 100 32 -31.5 5.6 | 93 35 -35.1 1.8 71 12 28346 90 38 -38.0 0.0 | 85 42 -41.6 -3.8 72 10 28956 90 32 -32.0 0.0 | 84 36 -35.6 -3.8 Wind Parameters Mean winds (0-6000m): 193.5 at 7.0 knts Storm direction: 223.5 at 5.2 knts Shear (0-3000m) pos: 1.1 neg: 1.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): -22.6 deg Storm rel helicity (0-3000m) pos: 1.8 neg: -1.0 tot: 0.8 m^2/s^2 ave: 0.3 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 79.98 Bulk Shear: 4.21 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 ------------------------------------------------------------------------------- 500 247 5 339 2| 0.0 7.0 7.0| 0.9 -0.2 0.7 1.3 0.26| 7.9 2.1 1000 224 4 39 1| 0.1 3.5 3.6| 0.9 -0.4 0.6 0.6 0.18| 5.1 0.9 1500 228 5 15 1| 1.2 2.3 3.6| 0.9 -0.5 0.4 0.3 0.04| 4.6 0.2 2000 236 5 332 1| 1.2 1.8 3.0| 1.6 -0.5 1.1 0.5 0.09| 3.9 0.4 2500 243 5 323 2| 1.1 1.4 2.6| 1.8 -0.7 1.0 0.4 0.08| 3.3 0.3 3000 249 5 320 2| 1.1 1.2 2.2| 1.8 -1.0 0.8 0.3 0.07| 2.9 0.2 4000 251 5 322 3| 0.8 1.6 2.4| 2.6 -1.3 1.3 0.3 0.14| 3.0 0.4 5000 242 6 312 2| 0.6 2.6 3.2| 12.2 -11.0 1.2 0.2 0.10| 4.2 0.4 6000 194 7 147 4| 0.7 1.6 2.3| 65.1 -27.9 37.2 6.2 0.16| 5.4 0.8 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250531.23.gif