UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041711.upa.cvt Date: 1100Z 17 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 17 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 1013 18 24.2 24.2 100 0.0 24.2 160 5 296.3 299.7 296.9 351.4 19.10 1 1006 76 25.4 22.7 85 2.7 23.5 157 6 298.0 301.2 296.4 349.0 17.52 2 1000 127 25.0 22.4 86 2.6 23.2 155 7 298.1 301.3 296.3 348.5 17.30 3 925 808 21.6 20.4 93 1.2 20.8 240 8 301.4 304.4 296.7 350.1 16.53 4 882 1222 19.2 19.1 99 0.1 19.1 237 12 303.0 306.0 296.7 350.4 15.98 5 850 1541 18.2 16.5 90 1.7 17.0 230 15 305.2 307.8 296.0 347.2 14.03 6 700 3185 9.6 7.7 88 1.9 8.4 305 22 313.1 314.9 294.9 342.4 9.47 7 646 3849 6.8 4.2 83 2.6 5.2 296 24 317.2 318.8 295.0 342.6 8.03 8 620 4185 4.2 4.0 99 0.2 4.1 291 25 318.0 319.6 295.3 344.1 8.26 9 561 4994 0.0 0.0 100 0.0 0.0 281 27 322.3 323.6 295.4 344.4 6.84 10 500 5910 -4.1 -4.1 100 0.0 -4.1 290 25 328.0 329.2 295.9 346.8 5.66 11 499 5926 -4.1 -4.1 100 0.0 -4.1 290 25 328.2 329.4 296.0 347.1 5.67 12 431 7075 -10.1 -11.3 91 1.2 -10.6 279 20 334.6 335.4 296.1 347.6 3.75 13 400 7650 -13.7 -15.0 90 1.3 -14.2 260 22 337.2 337.8 296.1 347.7 2.98 14 336 8949 -22.1 -24.4 82 2.3 -22.7 269 15 342.9 343.3 296.4 348.8 1.58 15 315 9419 -25.3 -27.3 83 2.0 -25.8 273 13 344.9 345.2 296.5 349.7 1.29 16 300 9770 -28.1 -30.4 81 2.3 -28.6 255 11 345.8 346.0 296.5 349.6 1.02 17 250 11060 -38.7 -41.9 72 3.2 -39.1 240 10 348.5 348.6 296.7 350.1 0.39 18 215 12070 -47.5 -50.9 68 3.4 -47.7 243 14 350.2 350.3 296.8 350.9 0.17 19 211 12193 -48.7 -53.0 61 4.3 -48.9 238 15 350.2 350.3 296.8 350.8 0.13 20 200 12540 -51.9 -54.3 75 2.4 -52.0 225 17 350.6 350.6 296.8 351.1 0.12 21 195 12704 -53.5 -55.7 77 2.2 -53.6 225 19 350.6 350.6 296.8 351.0 0.10 22 192 12803 -54.7 -58.8 60 4.1 -54.8 224 20 350.2 350.2 296.7 350.5 0.07 23 175 13390 -60.1 -62.5 73 2.4 -60.2 223 26 350.7 350.7 296.8 350.9 0.05 24 163 13829 -64.5 -68.5 58 4.0 -64.6 221 31 350.5 350.5 296.8 350.6 0.02 25 162 13867 -64.5 -71.5 38 7.0 -64.6 221 31 351.2 351.2 296.9 351.2 0.02 26 160 13943 -62.5 -83.5 4 21.0 -62.6 221 32 355.8 355.8 297.8 355.8 0.00 27 159 13982 -62.3 -79.3 9 17.0 -62.4 221 32 356.8 356.8 298.1 356.8 0.00 28 150 14340 -64.5 -82.5 7 18.0 -64.6 240 24 359.0 359.0 298.5 359.0 0.00 29 100 16690 -84.1 -89.1 41 5.0 -84.1 260 13 365.2 365.2 299.7 365.2 0.00 30 96 16915 -85.3 -90.3 40 5.0 -85.3 290 10 367.2 367.2 300.1 367.2 0.00 31 89 17335 -82.1 -89.1 29 7.0 -82.1 313 10 381.6 381.6 302.5 381.6 0.00 32 80 17925 -85.3 -90.3 40 5.0 -85.3 264 6 386.8 386.8 303.3 386.8 0.00 33 70 18670 -79.9 -88.9 21 9.0 -79.9 195 1 413.4 413.4 306.9 413.5 0.00 34 50 20650 -66.3 -88.3 3 22.0 -66.5 115 16 487.2 487.2 314.0 487.3 0.00 35 41 21862 -62.3 -88.3 2 26.0 -62.8 87 10 525.7 525.7 316.6 525.7 0.00 36 30 23810 -57.5 -86.5 1 29.0 -58.7 80 18 587.9 587.9 320.0 587.9 0.01 37 27 24477 -57.1 -86.1 1 29.0 -58.5 97 23 607.0 607.0 320.9 607.1 0.01 38 23 25507 -50.9 -83.9 1 33.0 -53.8 95 27 653.7 653.7 322.8 653.8 0.02 39 20 26420 -49.7 -82.7 1 33.0 -53.2 70 28 684.0 684.1 323.9 684.2 0.02 40 16 27896 -44.9 -80.9 1 36.0 -50.8 81 31 744.8 744.8 325.8 745.1 0.04 41 16 27896 -45.3 -81.3 1 36.0 -51.1 81 31 743.5 743.5 325.7 743.8 0.03 TRP 96 16915 -85.3 -90.3 40 5.0 -85.3 290 10 367.2 367.2 300.1 367.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 561.00 mb = 4993.53 m = 16382.79 ft Wetbulb zero: 560.71 mb = 4997.71 m = 16396.48 ft Precipitable water: 2.61 inches Sfc-500 mean rel hum: 92.76 % Est. max temperature: 32.29 C = 90.13 F Sfc-Lift cond lev (LCL): 1013.46 mb = 18.00 m = 59.05 ft T: 24.20 C 700-500 lapse rate: 5.03 C/km ThetaE index: 7.95 C Layer 850.0- 646.0 mb Conv cond level (CCL): 904.84 mb = 999.50 m = 3279.17 ft Mean mixing ratio: 16.98 g/kg Conv temperature: 30.13 C = 86.23 F Cap Strength: 1.09 C Lifted Index: -0.96 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.59 C Lifted Index @700 mb: -0.85 C Showalter Index: -0.14 C Risk: Thunderstorms probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.60 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 386.25 Risk: Showers and thunderstorms possible Energy Index: -0.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 187.19 J/kg Max Up Vert Vel: 19.35 m/s Conv Inhibition (B-): 23.21 J/kg Cap Strength: 1.09 C Lift Cond Lev (LCL): 937.45 mb = 691.20 m = 2267.70 ft Lev Free Conv (LFC): 782.45 mb = 2242.14 m = 7356.02 ft Equ Level (EL): 352.45 mb = 8592.76 m = 28191.14 ft B at Equ Level: 186.85 J/kg Max Parcel Lev (MPL): 162.45 mb = 13849.55 m = 45437.60 ft Wind level data Storm motion: 311 at 15 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 1013 18 160 5 -1.7 4.7 | 138 19 -13.0 14.5 1 1000 127 155 7 -3.0 6.3 | 139 22 -14.2 16.1 2 980 305 185 9 0.8 9.0 | 151 21 -10.5 18.7 3 946 610 205 10 4.2 9.1 | 159 20 -7.1 18.8 4 925 808 240 8 6.9 4.0 | 162 14 -4.4 13.8 5 914 914 245 8 7.3 3.4 | 163 14 -4.0 13.2 6 852 1524 230 15 11.5 9.6 | 181 19 0.2 19.4 7 850 1541 230 15 11.5 9.6 | 181 19 0.2 19.4 8 793 2134 285 19 18.4 -4.9 | 235 9 7.1 4.9 9 711 3048 305 22 18.0 -12.6 | 293 7 6.7 -2.8 10 700 3185 305 22 18.0 -12.6 | 293 7 6.7 -2.8 11 612 4267 290 25 23.5 -8.6 | 264 12 12.2 1.2 12 527 5486 275 28 27.9 -2.4 | 246 18 16.6 7.3 13 500 5910 290 25 23.5 -8.6 | 264 12 12.2 1.2 14 488 6096 290 25 23.5 -8.6 | 264 12 12.2 1.2 15 469 6401 275 22 21.9 -1.9 | 234 13 10.6 7.9 16 418 7315 280 19 18.7 -3.3 | 229 10 7.4 6.5 17 402 7620 260 22 21.7 3.8 | 217 17 10.4 13.6 18 400 7650 260 22 21.7 3.8 | 217 17 10.4 13.6 19 301 9754 275 11 11.0 -1.0 | 178 9 -0.3 8.8 20 300 9770 255 11 10.6 2.8 | 177 13 -0.7 12.6 21 288 10058 250 13 12.2 4.4 | 184 14 0.9 14.2 22 250 11060 240 10 8.7 5.0 | 170 15 -2.6 14.8 23 242 11278 240 10 8.7 5.0 | 170 15 -2.6 14.8 24 221 11887 250 13 12.2 4.4 | 184 14 0.9 14.2 25 201 12497 225 18 12.7 12.7 | 184 23 1.4 22.5 26 200 12540 225 17 12.0 12.0 | 182 22 0.7 21.8 27 150 14326 220 36 23.1 27.6 | 198 39 11.9 37.4 28 150 14340 240 24 20.8 12.0 | 204 24 9.5 21.8 29 143 14630 245 21 19.0 8.9 | 203 20 7.7 18.7 30 135 14935 255 21 20.3 5.4 | 211 18 9.0 15.2 31 104 16459 260 12 11.8 2.1 | 183 12 0.5 11.9 32 100 16690 260 13 12.8 2.3 | 187 12 1.5 12.0 33 99 16764 260 13 12.8 2.3 | 187 12 1.5 12.0 34 96 16915 290 10 9.4 -3.4 | 163 7 -1.9 6.4 35 88 17374 315 10 7.1 -7.1 | 123 5 -4.2 2.7 36 70 18670 195 1 0.3 1.0 | 134 15 -11.0 10.7 37 61 19507 55 10 -8.2 -5.7 | 102 20 -19.5 4.0 38 58 19812 30 15 -7.5 -13.0 | 80 19 -18.8 -3.2 39 55 20117 170 2 -0.3 2.0 | 135 17 -11.6 11.8 40 52 20422 150 10 -5.0 8.7 | 139 25 -16.3 18.4 41 50 20650 115 16 -14.5 6.8 | 123 31 -25.8 16.5 42 49 20726 130 20 -15.3 12.9 | 130 35 -26.6 22.6 43 45 21336 70 15 -14.1 -5.1 | 100 26 -25.4 4.7 44 43 21641 95 10 -10.0 0.9 | 117 24 -21.2 10.7 45 41 21946 85 10 -10.0 -0.9 | 113 23 -21.2 8.9 46 37 22555 135 1 -0.7 0.7 | 131 16 -12.0 10.5 47 35 22860 160 10 -3.4 9.4 | 143 24 -14.7 19.2 48 32 23470 105 26 -25.1 6.7 | 114 40 -36.4 16.5 49 30 23810 80 18 -17.7 -3.1 | 103 30 -29.0 6.7 50 29 24079 85 17 -16.9 -1.5 | 106 29 -28.2 8.3 51 27 24384 100 23 -22.7 4.0 | 112 37 -33.9 13.8 52 25 24994 85 25 -24.9 -2.2 | 102 37 -36.2 7.6 53 24 25298 110 28 -26.3 9.6 | 117 42 -37.6 19.4 54 23 25603 90 27 -27.0 0.0 | 104 40 -38.3 9.8 55 22 25908 65 25 -22.7 -10.6 | 89 34 -33.9 -0.8 56 20 26420 70 28 -26.3 -9.6 | 90 38 -37.6 0.2 57 19 26518 60 26 -22.5 -13.0 | 85 34 -33.8 -3.2 58 16 27127 70 29 -27.3 -9.9 | 90 39 -38.5 -0.1 59 15 27432 100 35 -34.5 6.1 | 109 48 -45.8 15.9 60 14 27737 90 44 -44.0 0.0 | 100 56 -55.3 9.8 61 12 28346 85 36 -35.9 -3.1 | 98 48 -47.1 6.6 Wind Parameters Mean winds (0-6000m): 280.9 at 19.9 knts Storm direction: 310.9 at 14.9 knts Shear (0-3000m) pos: 4.8 neg: 1.1 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 152.6 deg Storm rel helicity (0-3000m) pos: 132.3 neg: -0.0 tot: 132.2 m^2/s^2 ave: 44.1 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.8 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 2.69 Bulk Shear: 69.70 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 ------------------------------------------------------------------------------- 500 179 8 148 21| 6.8 0.0 6.8| 39.4 0.0 39.4 78.8 0.78| 9.2 7.2 1000 203 8 156 19| 5.1 0.0 5.1| 53.9 -0.0 53.8 53.8 0.57| 9.1 5.2 1500 217 10 163 18| 3.4 2.1 5.5| 69.9 -0.0 69.9 46.6 0.58| 8.2 4.7 2000 231 11 172 17| 5.2 1.6 6.8|110.8 -0.0 110.8 55.4 0.64| 9.6 6.2 2500 249 13 183 15| 5.1 1.3 6.4|124.0 -0.0 124.0 49.6 0.68| 9.0 6.1 3000 263 14 195 12| 4.8 1.1 5.8|132.3 -0.0 132.2 44.1 0.70| 8.3 5.8 4000 278 17 215 9| 3.6 1.4 5.0|132.8 -8.8 124.0 31.0 0.57| 6.9 3.9 5000 281 18 227 9| 2.9 1.8 4.6|132.8 -22.7 110.1 22.0 0.44| 6.2 2.7 6000 281 20 234 10| 2.6 1.7 4.3|150.5 -29.8 120.7 20.1 0.42| 6.0 2.5 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250417.11.gif