UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042711.upa.cvt Date: 1100Z 27 APR 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:1100Z 27 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 25.2 25.2 100 0.0 25.2 0 0 297.2 300.8 297.9 356.0 20.29 1 1000 130 25.6 23.5 88 2.1 24.1 70 2 298.8 302.1 297.3 352.8 18.53 2 925 815 22.0 20.1 89 1.9 20.6 55 6 301.8 304.8 296.5 349.6 16.22 3 850 1547 18.4 16.5 89 1.9 17.1 80 13 305.4 308.0 296.1 347.4 14.03 4 735 2779 11.8 11.3 97 0.5 11.5 132 8 311.2 313.4 295.8 346.5 11.53 5 733 2802 11.6 7.6 76 4.0 9.2 134 7 311.2 312.9 294.0 338.8 8.97 6 730 2836 12.0 0.0 44 12.0 5.5 139 7 312.0 313.0 291.3 328.4 5.24 7 727 2871 12.8 -2.2 35 15.0 5.0 143 6 313.3 314.1 291.0 327.4 4.48 8 712 3046 13.0 -11.0 18 24.0 2.4 165 4 315.3 315.8 289.6 322.9 2.32 9 700 3189 12.0 -7.0 26 19.0 2.9 160 6 315.8 316.4 290.6 326.2 3.23 10 687 3346 11.0 -7.0 28 18.0 2.4 158 6 316.4 317.0 290.9 327.0 3.29 11 682 3407 10.6 0.6 50 10.0 5.1 157 6 316.6 317.7 293.1 335.2 5.87 12 639 3948 7.6 -0.4 57 8.0 3.2 150 5 319.1 320.2 293.8 337.8 5.82 13 628 4091 7.4 -18.6 14 26.0 -2.3 148 5 320.5 320.7 290.3 325.3 1.40 14 586 4658 3.6 -9.4 38 13.0 -2.3 167 7 322.5 323.1 292.6 333.1 3.20 15 573 4840 2.0 -3.0 69 5.0 -0.6 178 9 322.7 323.7 294.4 340.1 5.36 16 525 5542 -2.3 -8.3 63 6.0 -5.1 221 10 325.7 326.4 294.0 338.7 3.90 17 500 5930 -3.3 -14.3 42 11.0 -7.8 245 8 329.0 329.5 293.7 337.7 2.53 18 476 6318 -5.5 -22.5 25 17.0 -11.1 233 10 331.0 331.2 293.2 335.7 1.32 19 421 7270 -11.7 -31.7 17 20.0 -16.5 212 14 334.8 335.0 293.6 337.2 0.64 20 402 7622 -15.1 -28.1 32 13.0 -18.4 217 13 334.9 335.1 293.9 338.3 0.94 21 400 7660 -15.3 -29.3 29 14.0 -18.7 265 8 335.1 335.3 293.9 338.2 0.85 22 397 7717 -15.5 -29.5 29 14.0 -18.9 262 8 335.6 335.7 294.0 338.7 0.84 23 388 7890 -15.5 -36.5 15 21.0 -19.7 252 8 337.8 337.9 294.2 339.4 0.43 24 345 8761 -23.5 -42.5 16 19.0 -26.2 203 10 338.5 338.5 294.2 339.5 0.26 25 341 8847 -23.1 -54.1 4 31.0 -26.3 198 10 340.1 340.2 294.4 340.4 0.07 26 300 9770 -30.5 -58.5 5 28.0 -32.6 205 9 342.4 342.4 295.0 342.6 0.05 27 250 11030 -40.9 -63.9 7 23.0 -41.8 215 13 345.3 345.3 295.6 345.4 0.03 28 233 11505 -45.1 -67.1 7 22.0 -45.7 219 12 345.9 345.9 295.7 346.0 0.02 29 200 12510 -52.5 -71.5 8 19.0 -52.8 195 22 349.6 349.6 296.5 349.7 0.01 30 161 13878 -63.1 -78.1 11 15.0 -63.2 188 19 354.1 354.1 297.5 354.2 0.01 31 150 14310 -66.9 -77.9 20 11.0 -67.0 225 15 354.8 354.8 297.7 354.9 0.01 32 145 14513 -68.7 -78.7 22 10.0 -68.8 227 14 355.2 355.2 297.7 355.2 0.01 33 136 14893 -71.1 -81.1 21 10.0 -71.1 223 16 357.5 357.5 298.2 357.5 0.00 34 100 16660 -81.7 -86.7 42 5.0 -81.7 195 16 369.9 369.9 300.5 369.9 0.00 35 95 16947 -83.3 -89.3 34 6.0 -83.3 185 16 372.2 372.2 300.9 372.2 0.00 36 84 17631 -84.7 -90.7 34 6.0 -84.7 171 16 382.7 382.7 302.7 382.7 0.00 37 70 18670 -73.7 -88.7 8 15.0 -73.7 100 17 426.7 426.7 308.5 426.7 0.00 38 69 18754 -72.1 -88.1 7 16.0 -72.2 98 17 431.9 431.9 309.0 431.9 0.00 39 59 19681 -69.1 -89.1 4 20.0 -69.2 46 18 458.4 458.4 311.6 458.4 0.00 40 50 20670 -68.7 -89.7 3 21.0 -68.9 350 7 481.6 481.6 313.6 481.6 0.00 41 49 20791 -68.7 -89.7 3 21.0 -68.9 2 13 484.4 484.4 313.8 484.4 0.00 42 42 21735 -59.9 -87.9 1 28.0 -60.6 95 23 528.0 528.0 316.8 528.0 0.00 43 37 22529 -58.7 -87.7 1 29.0 -59.6 87 21 550.6 550.6 318.1 550.6 0.00 44 31 23651 -54.9 -85.9 1 31.0 -56.5 84 19 589.4 589.4 320.1 589.5 0.01 45 30 23860 -56.3 -85.3 1 29.0 -57.7 90 19 591.2 591.2 320.2 591.2 0.01 46 26 24765 -57.3 -86.3 1 29.0 -58.7 110 17 613.0 613.0 321.2 613.1 0.01 47 21 26134 -50.7 -83.7 1 33.0 -53.9 96 42 671.5 671.6 323.5 671.7 0.02 48 20 26450 -52.5 -83.5 1 31.0 -55.3 90 43 675.5 675.5 323.6 675.6 0.02 49 18 27132 -51.9 -83.9 1 32.0 -55.1 90 43 698.0 698.0 324.4 698.2 0.02 TRP 95 16947 -83.3 -89.3 34 6.0 -83.3 185 16 372.2 372.2 300.9 372.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5800.00 m Freezing level: 550.67 mb = 5166.77 m = 16951.14 ft Wetbulb zero: 632.59 mb = 4030.86 m = 13224.46 ft Precipitable water: 2.08 inches Sfc-500 mean rel hum: 66.51 % Est. max temperature: 32.79 C = 91.02 F Sfc-Lift cond lev (LCL): 1014.49 mb = 18.00 m = 59.05 ft T: 25.20 C 700-500 lapse rate: 5.58 C/km ThetaE index: 33.06 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 901.56 mb = 1037.17 m = 3402.75 ft Mean mixing ratio: 17.49 g/kg Conv temperature: 30.96 C = 87.72 F Cap Strength: 1.38 C Lifted Index: -0.89 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.92 C Lifted Index @700 mb: 1.02 C Showalter Index: 0.61 C Risk: Thunderstorms probable Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 19.80 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 232.00 Risk: None Energy Index: -1.88 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 693.58 J/kg Max Up Vert Vel: 37.24 m/s Conv Inhibition (B-): 20.05 J/kg Cap Strength: 1.23 C Lift Cond Lev (LCL): 938.08 mb = 691.62 m = 2269.06 ft Lev Free Conv (LFC): 823.08 mb = 1819.79 m = 5970.37 ft Equ Level (EL): 723.08 mb = 2916.41 m = 9568.15 ft B at Equ Level: 27.33 J/kg Max Parcel Lev (MPL): 103.08 mb = 16485.64 m = 54086.10 ft Wind level data Storm motion: 161 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 1014 18 0 0 -0.0 -0.0 | 341 6 1.9 -5.7 1 1000 130 70 2 -1.9 -0.7 | 359 6 0.1 -6.3 2 980 305 360 3 -0.0 -3.0 | 347 9 1.9 -8.7 3 947 610 85 5 -5.0 -0.4 | 27 7 -3.0 -6.1 4 925 815 55 6 -4.9 -3.4 | 18 10 -3.0 -9.1 5 914 914 40 6 -3.9 -4.6 | 11 10 -1.9 -10.3 6 883 1219 50 12 -9.2 -7.7 | 28 15 -7.3 -13.4 7 852 1524 80 15 -14.8 -2.6 | 57 15 -12.8 -8.3 8 850 1547 80 13 -12.8 -2.3 | 54 13 -10.9 -7.9 9 793 2134 125 11 -9.0 6.3 | 95 7 -7.1 0.7 10 765 2438 90 12 -12.0 0.0 | 61 12 -10.1 -5.7 11 712 3048 165 4 -1.0 3.9 | 333 2 0.9 -1.8 12 700 3189 160 6 -2.1 5.6 | 81 0 -0.1 -0.0 13 613 4267 145 5 -2.9 4.1 | 31 2 -0.9 -1.6 14 548 5182 200 11 3.8 10.3 | 231 7 5.7 4.7 15 500 5930 245 8 7.3 3.4 | 284 9 9.2 -2.3 16 435 7010 210 14 7.0 12.1 | 234 11 8.9 6.5 17 402 7620 215 13 7.5 10.6 | 242 11 9.4 5.0 18 400 7660 265 8 8.0 0.7 | 297 11 9.9 -5.0 19 327 9144 180 11 0.0 11.0 | 200 6 1.9 5.3 20 300 9770 205 9 3.8 8.2 | 246 6 5.7 2.5 21 250 11030 215 13 7.5 10.6 | 242 11 9.4 5.0 22 241 11278 210 13 6.5 11.3 | 236 10 8.4 5.6 23 220 11887 235 11 9.0 6.3 | 267 11 11.0 0.7 24 200 12510 195 22 5.7 21.3 | 206 17 7.6 15.6 25 182 13106 180 26 0.0 26.0 | 185 20 1.9 20.3 26 165 13716 175 21 -1.8 20.9 | 180 15 0.1 15.3 27 150 14310 225 15 10.6 10.6 | 248 13 12.5 5.0 28 150 14326 215 13 7.5 10.6 | 242 11 9.4 5.0 29 142 14630 235 14 11.5 8.0 | 260 14 13.4 2.4 30 121 15545 190 20 3.5 19.7 | 201 15 5.4 14.0 31 109 16154 240 11 9.5 5.5 | 271 11 11.5 -0.2 32 104 16459 245 13 11.8 5.5 | 271 14 13.7 -0.2 33 100 16660 195 16 4.1 15.5 | 212 12 6.1 9.8 34 98 16764 205 14 5.9 12.7 | 228 11 7.9 7.0 35 95 16947 185 16 1.4 15.9 | 198 11 3.3 10.3 36 93 17069 190 17 3.0 16.7 | 204 12 4.9 11.1 37 75 18288 150 14 -7.0 12.1 | 142 8 -5.1 6.5 38 70 18670 100 17 -16.7 3.0 | 80 15 -14.8 -2.7 39 64 19202 90 19 -19.0 0.0 | 72 18 -17.1 -5.7 40 58 19812 35 18 -10.3 -14.7 | 22 22 -8.4 -20.4 41 55 20117 35 14 -8.0 -11.5 | 20 18 -6.1 -17.1 42 52 20422 60 12 -10.4 -6.0 | 36 14 -8.5 -11.7 43 50 20670 350 7 1.2 -6.9 | 346 13 3.2 -12.6 44 50 20726 345 13 3.4 -12.6 | 344 19 5.3 -18.2 45 45 21336 130 14 -10.7 9.0 | 111 9 -8.8 3.3 46 41 21946 80 27 -26.6 -4.7 | 67 27 -24.6 -10.3 47 35 22860 90 18 -18.0 0.0 | 71 17 -16.1 -5.7 48 34 23165 100 23 -22.7 4.0 | 85 21 -20.7 -1.7 49 30 23774 80 18 -17.7 -3.1 | 61 18 -15.8 -8.8 50 30 23860 90 19 -19.0 0.0 | 72 18 -17.1 -5.7 51 29 24079 105 16 -15.5 4.1 | 84 14 -13.5 -1.5 52 28 24384 85 19 -18.9 -1.7 | 67 18 -17.0 -7.3 53 26 24689 110 17 -16.0 5.8 | 91 14 -14.0 0.2 54 25 24994 110 17 -16.0 5.8 | 91 14 -14.0 0.2 55 23 25603 120 29 -25.1 14.5 | 111 25 -23.2 8.8 56 22 25908 100 41 -40.4 7.1 | 92 38 -38.4 1.5 57 20 26450 90 43 -43.0 0.0 | 82 41 -41.1 -5.7 58 20 26518 110 43 -40.4 14.7 | 103 40 -38.5 9.1 59 18 26822 90 43 -43.0 0.0 | 82 41 -41.1 -5.7 60 15 27432 95 46 -45.8 4.0 | 88 44 -43.9 -1.6 Wind Parameters Mean winds (0-6000m): 131.1 at 8.0 knts Storm direction: 161.1 at 6.0 knts Shear (0-3000m) pos: 1.9 neg: 1.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): -0.7 deg Storm rel helicity (0-3000m) pos: 80.9 neg: -21.5 tot: 59.4 m^2/s^2 ave: 19.8 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 2.8 10^-3/s Energy-Hel index: 0.32 Bulk Rich Number: 70.96 Bulk Shear: 9.77 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 37 3 357 8| 4.5 0.0 4.5| 11.2 -2.5 8.7 17.4 0.50| 8.7 4.4 1000 53 4 10 8| 2.3 2.1 4.3| 18.3 -8.5 9.8 9.8 0.28| 8.8 2.5 1500 58 7 22 10| 4.5 1.4 5.8| 58.1 -8.5 49.6 33.0 0.52| 9.8 5.1 2000 72 8 36 10| 3.1 1.0 4.1| 73.4 -8.5 64.8 32.4 0.54| 9.8 5.2 2500 81 9 44 10| 2.5 1.5 4.0| 77.8 -20.6 57.2 22.9 0.36| 9.8 3.5 3000 86 9 47 9| 1.9 1.2 3.1| 80.9 -21.5 59.4 19.8 0.28| 10.0 2.8 4000 98 8 52 7| 1.4 1.0 2.4| 81.0 -21.6 59.3 14.8 0.27| 7.9 2.1 5000 111 8 61 6| 1.8 0.8 2.5| 83.1 -21.7 61.5 12.3 0.30| 7.2 2.1 6000 131 8 84 4| 1.3 0.6 1.9|101.7 -23.0 78.7 13.1 0.36| 6.9 2.5 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20250427.11.gif