UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for NVVV... Searching the city database file for: NVVV ... Date:0000Z 27 APR 25 Station: NVVV WMO ident: 91557 Latitude: -17.70 Longitude: 168.30 Elevation: 21.00 ------------------------------------------------------------------------------- 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 1010 21 30.6 24.6 70 6.0 26.1 80 5 302.9 306.5 299.0 361.2 19.63 1 1000 108 28.4 21.4 66 7.0 23.3 65 5 301.5 304.5 296.5 349.4 16.25 2 925 796 22.0 21.0 94 1.0 21.3 80 7 301.8 305.0 297.1 352.5 17.17 3 850 1528 19.4 12.4 64 7.0 14.8 70 6 306.5 308.5 294.0 338.7 10.70 4 700 3178 12.4 2.4 50 10.0 6.6 95 2 316.2 317.5 293.5 336.8 6.51 5 500 5920 -3.7 -10.7 58 7.0 -6.8 95 8 328.5 329.2 294.3 340.0 3.38 6 400 7640 -15.3 -31.3 24 16.0 -19.0 65 9 335.1 335.2 293.7 337.7 0.70 7 300 9760 -30.3 -54.3 8 24.0 -32.3 140 3 342.7 342.7 295.0 343.0 0.08 8 250 11030 -40.5 -54.5 21 14.0 -41.3 215 14 345.9 345.9 295.8 346.2 0.09 9 200 12510 -52.5 -71.5 8 19.0 -52.8 200 15 349.6 349.6 296.5 349.7 0.01 10 150 14310 -66.7 -79.7 14 13.0 -66.8 185 12 355.2 355.2 297.7 355.2 0.00 11 100 16650 -82.3 -87.2 43 4.9 -82.3 215 8 368.7 368.7 300.4 368.7 0.00 12 96 16878 -83.1 -89.1 34 6.0 -83.1 214 10 371.5 371.5 300.8 371.5 0.00 13 74 18349 -77.3 -89.3 13 12.0 -77.3 170 14 412.4 412.4 306.8 412.4 0.00 14 67 18919 -77.5 -90.5 11 13.0 -77.6 73 24 423.9 423.9 308.2 423.9 0.00 15 60 19565 -68.9 -90.9 3 22.0 -69.1 60 22 456.7 456.7 311.5 456.7 0.00 16 53 20310 -67.5 -90.5 2 23.0 -67.7 140 18 476.4 476.4 313.2 476.4 0.00 17 51 20541 -68.3 -90.3 3 22.0 -68.5 125 24 479.8 479.8 313.4 479.8 0.00 18 42 21713 -65.7 -89.7 2 24.0 -66.0 105 20 513.6 513.6 315.9 513.7 0.00 19 37 22499 -57.1 -87.1 1 30.0 -58.2 79 32 554.7 554.7 318.3 554.7 0.01 20 34 23037 -54.9 -85.9 1 31.0 -56.3 70 25 574.1 574.1 319.3 574.1 0.01 21 32 23424 -56.1 -86.1 1 30.0 -57.5 84 22 580.9 580.9 319.7 580.9 0.01 22 21 26116 -53.7 -86.7 1 33.0 -56.1 95 27 662.5 662.5 323.2 662.6 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 545.96 mb = 5289.85 m = 17354.94 ft Wetbulb zero: 601.02 mb = 4420.43 m = 14502.56 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 61.13 % Est. max temperature: 33.54 C = 92.38 F Sfc-Lift cond lev (LCL): 926.51 mb = 781.62 m = 2564.33 ft T: 22.13 C 700-500 lapse rate: 5.87 C/km ThetaE index: 15.63 C Layer 850.0- 500.0 mb Conv cond level (CCL): 845.90 mb = 1569.11 m = 5147.93 ft Mean mixing ratio: 16.78 g/kg Conv temperature: 34.43 C = 93.98 F Cap Strength: 1.42 C Lifted Index: -1.26 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.66 C Lifted Index @700 mb: 1.42 C Showalter Index: 3.60 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 16.10 C K Index: 25.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 168.80 Risk: None Energy Index: 0.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 643.61 J/kg Max Up Vert Vel: 35.88 m/s Conv Inhibition (B-): 131.48 J/kg Cap Strength: 1.44 C Lift Cond Lev (LCL): 907.24 mb = 963.83 m = 3162.13 ft Lev Free Conv (LFC): 592.24 mb = 4540.30 m = 14895.81 ft Equ Level (EL): 182.24 mb = 13091.85 m = 42951.73 ft B at Equ Level: 638.12 J/kg Max Parcel Lev (MPL): 102.24 mb = 16522.15 m = 54205.88 ft Wind level data Storm motion: 105 at 3 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 1010 21 80 5 -4.9 -0.9 | 43 2 -1.6 -1.8 1 1000 108 65 5 -4.5 -2.1 | 23 3 -1.2 -3.0 2 925 796 80 7 -6.9 -1.2 | 60 4 -3.6 -2.1 3 912 914 70 5 -4.7 -1.7 | 29 3 -1.4 -2.6 4 881 1219 80 12 -11.8 -2.1 | 71 9 -8.5 -3.0 5 850 1528 70 6 -5.6 -2.1 | 39 4 -2.4 -2.9 6 792 2134 80 3 -3.0 -0.5 | 347 1 0.3 -1.4 7 700 3178 95 2 -2.0 0.2 | 299 1 1.3 -0.7 8 660 3658 0 0 -0.0 -0.0 | 285 3 3.3 -0.9 9 612 4267 5 3 -0.3 -3.0 | 322 5 3.0 -3.9 10 500 5920 95 8 -8.0 0.7 | 88 5 -4.7 -0.2 11 489 6096 100 10 -9.8 1.7 | 97 7 -6.6 0.9 12 470 6401 130 10 -7.7 6.4 | 142 7 -4.4 5.5 13 401 7620 65 10 -9.1 -4.2 | 49 8 -5.8 -5.1 14 400 7640 65 9 -8.2 -3.8 | 46 7 -4.9 -4.7 15 369 8230 70 17 -16.0 -5.8 | 62 14 -12.7 -6.7 16 354 8534 115 11 -10.0 4.6 | 119 8 -6.7 3.8 17 340 8839 105 10 -9.7 2.6 | 105 7 -6.4 1.7 18 300 9754 135 2 -1.4 1.4 | 254 2 1.9 0.5 19 300 9760 140 3 -1.9 2.3 | 224 2 1.4 1.4 20 263 10668 210 10 5.0 8.7 | 227 11 8.3 7.8 21 250 11030 215 14 8.0 11.5 | 227 15 11.3 10.6 22 220 11887 235 12 9.8 6.9 | 245 14 13.1 6.0 23 210 12192 200 15 5.1 14.1 | 212 16 8.4 13.2 24 200 12510 200 15 5.1 14.1 | 212 16 8.4 13.2 25 191 12802 200 14 4.8 13.2 | 213 15 8.1 12.3 26 182 13106 220 16 10.3 12.3 | 230 18 13.6 11.4 27 165 13716 200 21 7.2 19.7 | 209 22 10.5 18.8 28 150 14310 185 12 1.0 12.0 | 201 12 4.3 11.1 29 150 14326 175 16 -1.4 15.9 | 187 15 1.9 15.1 30 135 14935 200 10 3.4 9.4 | 218 11 6.7 8.5 31 121 15545 180 14 0.0 14.0 | 194 14 3.3 13.1 32 115 15850 180 21 0.0 21.0 | 189 20 3.3 20.1 33 109 16154 165 16 -4.1 15.5 | 177 15 -0.9 14.6 34 103 16459 135 10 -7.1 7.1 | 149 7 -3.8 6.2 35 100 16650 215 8 4.6 6.6 | 234 10 7.9 5.7 36 98 16764 215 8 4.6 6.6 | 234 10 7.9 5.7 37 88 17374 210 19 9.5 16.5 | 219 20 12.8 15.6 38 84 17678 195 21 5.4 20.3 | 204 21 8.7 19.4 39 79 17983 105 1 -1.0 0.3 | 285 2 2.3 -0.6 40 75 18288 180 10 0.0 10.0 | 200 10 3.3 9.1 41 71 18593 140 27 -17.4 20.7 | 145 24 -14.1 19.8 42 67 18898 70 25 -23.5 -8.6 | 65 22 -20.2 -9.4 43 64 19202 95 19 -18.9 1.7 | 93 16 -15.6 0.8 44 61 19507 65 23 -20.8 -9.7 | 59 21 -17.6 -10.6 45 57 19812 40 17 -10.9 -13.0 | 29 16 -7.6 -13.9 46 54 20117 150 10 -5.0 8.7 | 168 8 -1.7 7.8 47 52 20422 130 25 -19.2 16.1 | 134 22 -15.9 15.2 48 46 21031 90 16 -16.0 0.0 | 86 13 -12.7 -0.9 49 44 21336 115 15 -13.6 6.3 | 118 12 -10.3 5.5 50 36 22555 70 36 -33.8 -12.3 | 67 33 -30.5 -13.2 51 34 22860 70 22 -20.7 -7.5 | 64 19 -17.4 -8.4 52 32 23165 85 22 -21.9 -1.9 | 81 19 -18.6 -2.8 53 30 23470 110 22 -20.7 7.5 | 111 19 -17.4 6.6 54 29 23774 95 26 -25.9 2.3 | 93 23 -22.6 1.4 55 24 24689 90 26 -26.0 0.0 | 88 23 -22.7 -0.9 56 23 24994 60 22 -19.1 -11.0 | 53 20 -15.8 -11.9 57 22 25298 95 26 -25.9 2.3 | 93 23 -22.6 1.4 58 18 26518 95 30 -29.9 2.6 | 94 27 -26.6 1.7 Wind Parameters Mean winds (0-6000m): 75.1 at 4.5 knts Storm direction: 105.1 at 3.4 knts Shear (0-3000m) pos: 0.7 neg: 0.3 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): -98.5 deg Storm rel helicity (0-3000m) pos: 7.3 neg: -8.7 tot: -1.4 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: -0.12 Storm rel vorticity (0-3000m) horiz: 3.9 stream: -0.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 4457.30 Bulk Shear: 0.14 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 70 5 35 3| 0.0 1.4 1.4| 1.3 -0.7 0.6 1.1 0.14| 2.8 0.4 1000 74 6 43 4| 0.0 1.3 1.3| 3.4 -2.1 1.3 1.3 0.13| 4.0 0.5 1500 75 7 53 4| 0.0 0.5 0.5| 7.3 -7.3 0.0 0.0 0.00| 6.3 0.0 2000 75 6 49 4| 0.7 0.4 1.1| 7.3 -8.1 -0.8 -0.4 -0.06| 5.4 -0.3 2500 76 6 45 3| 0.8 0.3 1.1| 7.3 -8.5 -1.2 -0.5 -0.10| 4.6 -0.5 3000 77 5 40 3| 0.7 0.3 1.0| 7.3 -8.7 -1.4 -0.5 -0.12| 3.9 -0.5 4000 76 4 22 2| 0.5 0.4 1.0| 8.8 -9.5 -0.7 -0.2 -0.09| 3.5 -0.3 5000 68 4 11 2| 0.0 0.3 0.4| 14.7 -9.5 5.1 1.0 0.07| 3.3 0.2 6000 75 5 28 2| 0.6 0.3 0.9| 22.7 -9.5 13.2 2.2 0.23| 3.4 0.8 Wrote GIF file: /home/apache/climate/data/raob//NVVV/skewt/NVVV.skewt.20250427.00.gif