UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 17 APR 25 Station: VH004 WMO ident: 45004 Latitude: 22.32 Longitude: 114.17 ------------------------------------------------------------------------------- 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 1004 68 22.2 19.6 85 2.6 20.4 0 0 295.0 297.6 293.4 336.4 14.44 1 1000 103 21.8 19.5 87 2.3 20.2 105 3 295.0 297.5 293.4 336.3 14.41 2 925 776 16.8 15.7 93 1.1 16.1 170 9 296.5 298.7 292.2 331.7 12.21 3 912 897 15.8 15.2 96 0.6 15.4 183 7 296.7 298.8 292.1 331.3 11.99 4 897 1037 15.8 11.8 77 4.0 13.3 191 9 298.1 299.8 290.7 326.4 9.74 5 893 1075 16.0 10.0 68 6.0 12.3 193 10 298.7 300.2 290.0 324.0 8.66 6 887 1133 18.0 -1.0 28 19.0 8.3 196 11 301.3 302.0 286.5 313.5 4.00 7 886 1143 18.0 0.0 30 18.0 8.7 196 12 301.4 302.2 286.9 314.5 4.31 8 850 1497 16.6 -6.4 20 23.0 6.0 210 13 303.5 304.0 286.1 312.2 2.78 9 804 1971 16.4 -23.6 5 40.0 2.8 250 17 308.2 308.3 285.5 310.6 0.71 10 776 2271 14.8 -0.2 36 15.0 6.8 254 17 309.6 310.5 290.2 324.7 4.86 11 767 2370 15.4 -15.6 10 31.0 3.0 253 19 311.3 311.6 287.5 316.2 1.48 12 765 2392 15.4 -7.6 20 23.0 4.6 253 19 311.5 312.1 288.9 320.6 2.82 13 757 2481 14.2 7.2 63 7.0 9.9 252 21 311.2 312.8 293.6 337.2 8.45 14 749 2571 13.6 7.6 67 6.0 9.9 251 22 311.5 313.1 294.0 338.5 8.78 15 700 3137 10.0 5.6 74 4.4 7.3 260 25 313.6 315.1 294.1 339.0 8.18 16 667 3536 7.6 3.3 74 4.3 5.1 260 28 315.2 316.6 293.9 338.1 7.30 17 542 5221 -0.5 -7.5 59 7.0 -3.8 270 27 324.8 325.6 293.9 338.2 4.02 18 533 5355 -1.5 -10.5 50 9.0 -5.4 267 29 325.2 325.9 293.3 336.0 3.22 19 508 5735 -4.7 -8.6 74 3.9 -6.5 261 32 325.8 326.6 294.1 339.0 3.93 20 500 5860 -5.3 -12.3 58 7.0 -8.2 260 31 326.6 327.2 293.5 336.7 2.98 21 473 6295 -8.3 -16.3 52 8.0 -11.2 262 34 328.1 328.5 293.3 335.9 2.26 22 470 6345 -8.7 -12.8 72 4.1 -10.4 263 34 328.2 328.8 294.0 338.5 3.04 23 421 7191 -15.3 -15.4 99 0.1 -15.3 267 41 330.2 330.8 294.3 339.7 2.74 24 417 7264 -15.5 -16.1 95 0.6 -15.7 266 42 330.9 331.4 294.3 339.9 2.61 25 410 7392 -14.7 -21.7 55 7.0 -16.9 263 45 333.5 333.9 294.1 339.4 1.64 26 400 7580 -15.1 -21.1 60 6.0 -17.0 260 48 335.4 335.7 294.7 341.7 1.78 27 398 7618 -15.3 -22.3 55 7.0 -17.4 255 48 335.6 335.9 294.7 341.4 1.61 28 368 8203 -20.5 -24.8 68 4.3 -21.7 254 47 336.3 336.6 294.6 341.3 1.39 29 333 8934 -26.1 -38.1 31 12.0 -28.0 252 47 338.3 338.4 294.3 340.0 0.43 30 329 9021 -26.9 -33.9 52 7.0 -28.1 252 47 338.4 338.6 294.6 340.9 0.66 31 325 9109 -27.3 -31.1 70 3.8 -28.0 251 47 339.1 339.2 294.9 342.3 0.88 32 300 9680 -31.5 -35.3 69 3.8 -32.1 250 46 341.0 341.1 295.1 343.4 0.63 33 290 9918 -33.3 -36.2 75 2.9 -33.7 259 47 341.7 341.9 295.3 344.0 0.60 34 288 9967 -33.5 -39.5 55 6.0 -34.3 260 48 342.1 342.2 295.2 343.8 0.43 35 274 10313 -36.7 -40.5 68 3.8 -37.1 267 51 342.4 342.5 295.3 344.0 0.41 36 250 10940 -41.7 -47.7 52 6.0 -42.1 275 56 344.1 344.1 295.5 344.9 0.21 37 228 11560 -45.3 -53.3 40 8.0 -45.7 275 63 347.8 347.8 296.3 348.3 0.12 38 221 11767 -47.3 -56.3 35 9.0 -47.7 275 65 347.8 347.8 296.2 348.2 0.08 39 202 12356 -52.5 -58.5 48 6.0 -52.7 275 72 348.6 348.7 296.4 348.9 0.07 40 200 12420 -53.1 -62.1 33 9.0 -53.4 275 73 348.7 348.7 296.4 348.9 0.04 41 195 12582 -54.3 -66.3 22 12.0 -54.5 275 75 349.3 349.3 296.5 349.4 0.03 42 177 13195 -59.5 -65.5 46 6.0 -59.6 273 77 350.6 350.6 296.8 350.7 0.03 43 164 13667 -63.0 -70.7 35 7.6 -63.1 270 77 352.4 352.4 297.1 352.4 0.02 44 161 13780 -63.9 -71.9 33 8.0 -64.0 270 77 352.8 352.8 297.3 352.9 0.01 45 150 14210 -66.9 -71.9 49 5.0 -67.0 275 69 354.8 354.8 297.7 354.9 0.02 46 146 14373 -68.1 -72.6 52 4.5 -68.1 277 65 355.5 355.5 297.8 355.6 0.01 47 143 14497 -68.7 -74.7 42 6.0 -68.7 278 62 356.6 356.6 298.0 356.6 0.01 48 139 14667 -69.1 -78.1 26 9.0 -69.2 279 57 358.8 358.8 298.5 358.8 0.01 49 120 15540 -71.7 -84.7 13 13.0 -71.8 276 43 369.4 369.4 300.5 369.4 0.00 50 116 15740 -72.1 -86.1 10 14.0 -72.2 287 40 372.3 372.3 300.9 372.3 0.00 51 100 16600 -78.5 -88.5 18 10.0 -78.5 295 31 376.1 376.1 301.6 376.1 0.00 52 99 16657 -78.5 -88.5 18 10.0 -78.5 295 31 377.1 377.1 301.8 377.1 0.00 53 83 17666 -78.3 -89.3 15 11.0 -78.3 282 24 397.0 397.0 304.8 397.1 0.00 54 78 18024 -75.3 -88.3 11 13.0 -75.3 304 28 410.4 410.4 306.6 410.4 0.00 55 70 18650 -76.9 -89.9 11 13.0 -76.9 360 17 419.9 419.9 307.7 419.9 0.00 56 64 19162 -78.5 -90.5 12 12.0 -78.6 7 13 427.3 427.3 308.6 427.3 0.00 57 63 19252 -74.5 -88.5 10 14.0 -74.6 9 12 438.0 438.0 309.7 438.0 0.00 58 60 19535 -75.3 -90.3 8 15.0 -75.3 7 9 442.4 442.4 310.1 442.4 0.00 59 57 19835 -71.1 -89.1 5 18.0 -71.2 5 6 458.4 458.4 311.6 458.4 0.00 60 56 19939 -71.9 -89.9 5 18.0 -72.0 4 5 458.9 458.9 311.7 458.9 0.00 61 50 20610 -69.7 -89.7 4 20.0 -69.9 335 5 479.2 479.2 313.4 479.3 0.00 62 49 20731 -69.9 -89.9 4 20.0 -70.1 323 5 481.5 481.5 313.6 481.6 0.00 63 47 20983 -63.7 -88.7 2 25.0 -64.1 299 6 502.2 502.2 315.1 502.2 0.00 64 35 22836 -54.1 -86.1 1 32.0 -55.6 360 0 571.4 571.4 319.2 571.4 0.01 65 30 23830 -52.5 -84.5 1 32.0 -54.5 75 25 601.5 601.5 320.7 601.6 0.01 66 21 26135 -51.3 -84.3 1 33.0 -54.3 100 33 669.7 669.7 323.4 669.9 0.02 67 20 26450 -53.3 -85.3 1 32.0 -55.9 105 35 673.0 673.0 323.5 673.1 0.01 68 19 26780 -53.5 -85.5 1 32.0 -56.2 101 36 682.4 682.4 323.9 682.5 0.01 69 16 27890 -51.9 -84.9 1 33.0 -55.4 96 36 721.9 722.0 325.1 722.1 0.02 70 14 28772 -43.3 -81.3 1 38.0 -50.4 98 41 779.2 779.2 326.7 779.5 0.04 71 12 29812 -42.5 -80.5 1 38.0 -50.7 96 30 817.2 817.2 327.7 817.6 0.05 TRP 99 16657 -78.5 -88.5 18 10.0 -78.5 295 31 377.1 377.1 301.8 377.1 0.00 WND 164 13667 -63.0 -70.7 35 7.6 -63.1 270 77 352.4 352.4 297.1 352.4 0.02 Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 549.72 mb = 5117.01 m = 16787.87 ft Wetbulb zero: 595.18 mb = 4461.29 m = 14636.60 ft Precipitable water: 1.51 inches Sfc-500 mean rel hum: 59.99 % Est. max temperature: 30.49 C = 86.88 F Sfc-Lift cond lev (LCL): 966.75 mb = 394.91 m = 1295.64 ft T: 19.63 C 700-500 lapse rate: 5.62 C/km ThetaE index: 22.97 C Layer 1000.0- 886.0 mb Conv cond level (CCL): 923.38 mb = 790.97 m = 2595.03 ft Mean mixing ratio: 13.03 g/kg Conv temperature: 23.70 C = 74.66 F Cap Strength: 6.24 C Lifted Index: 4.35 C Risk: None Lifted Index @300 mb: 6.62 C Lifted Index @700 mb: 4.47 C Showalter Index: 15.66 C Risk: None Total Totals Index: 20.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: -1.10 C K Index: 11.10 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 5.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.81 J/kg Max Up Vert Vel: 3.69 m/s Conv Inhibition (B-): 0.85 J/kg Cap Strength: 5.92 C Lift Cond Lev (LCL): 931.72 mb = 713.56 m = 2341.03 ft Lev Free Conv (LFC): 916.72 mb = 852.61 m = 2797.23 ft Equ Level (EL): 896.72 mb = 1040.18 m = 3412.61 ft B at Equ Level: 4.52 J/kg Max Parcel Lev (MPL): 886.72 mb = 1135.76 m = 3726.19 ft Wind level data Storm motion: 285 at 16 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 1004 68 0 0 -0.0 -0.0 | 105 16 -15.8 4.1 1 1000 103 105 3 -2.9 0.8 | 105 19 -18.7 4.9 2 977 305 100 5 -4.9 0.9 | 104 21 -20.7 5.0 3 943 610 160 9 -3.1 8.5 | 124 23 -18.9 12.6 4 925 776 170 9 -1.6 8.9 | 127 22 -17.3 13.0 5 910 914 185 7 0.6 7.0 | 126 19 -15.2 11.1 6 878 1219 200 13 4.4 12.2 | 145 20 -11.3 16.4 7 850 1497 210 13 6.5 11.3 | 149 18 -9.3 15.4 8 847 1524 190 11 1.9 10.8 | 137 20 -13.9 15.0 9 817 1829 245 19 17.2 8.0 | 187 12 1.4 12.2 10 788 2134 255 15 14.5 3.9 | 171 8 -1.3 8.0 11 733 2743 250 25 23.5 8.6 | 211 15 7.7 12.7 12 700 3137 260 25 24.6 4.3 | 226 12 8.8 8.5 13 656 3658 260 29 28.6 5.0 | 234 16 12.8 9.2 14 586 4572 265 29 28.9 2.5 | 243 15 13.1 6.7 15 544 5182 270 27 27.0 -0.0 | 250 12 11.2 4.1 16 504 5791 260 33 32.5 5.7 | 239 19 16.7 9.9 17 500 5860 260 31 30.5 5.4 | 237 18 14.8 9.5 18 485 6096 260 33 32.5 5.7 | 239 19 16.7 9.9 19 431 7010 270 38 38.0 -0.0 | 259 23 22.2 4.1 20 400 7580 260 48 47.3 8.3 | 248 34 31.5 12.5 21 398 7620 255 48 46.4 12.4 | 242 35 30.6 16.6 22 300 9680 250 46 43.2 15.7 | 234 34 27.4 19.9 23 297 9754 255 46 44.4 11.9 | 241 33 28.7 16.0 24 260 10668 275 54 53.8 -4.7 | 271 38 38.0 -0.6 25 250 10940 275 56 55.8 -4.9 | 271 40 40.0 -0.7 26 200 12420 275 73 72.7 -6.4 | 272 57 56.9 -2.2 27 188 12802 275 77 76.7 -6.7 | 272 61 60.9 -2.6 28 164 13667 270 77 77.0 -0.0 | 266 61 61.2 4.1 29 155 14021 270 77 77.0 -0.0 | 266 61 61.2 4.1 30 150 14210 275 69 68.7 -6.0 | 272 53 53.0 -1.9 31 140 14630 280 58 57.1 -10.1 | 278 42 41.3 -5.9 32 126 15240 260 46 45.3 8.0 | 248 32 29.5 12.1 33 108 16154 310 35 26.8 -22.5 | 329 21 11.0 -18.4 34 100 16600 295 31 28.1 -13.1 | 306 15 12.3 -9.0 35 99 16657 295 31 28.1 -13.1 | 306 15 12.3 -9.0 36 97 16764 295 31 28.1 -13.1 | 306 15 12.3 -9.0 37 87 17374 265 19 18.9 1.7 | 209 7 3.2 5.8 38 79 17983 300 29 25.1 -14.5 | 318 14 9.3 -10.4 39 75 18288 330 21 10.5 -18.2 | 21 15 -5.3 -14.1 40 70 18650 360 17 -0.0 -17.0 | 51 20 -15.8 -12.9 41 67 18898 335 15 6.3 -13.6 | 45 13 -9.4 -9.5 42 64 19202 10 13 -2.3 -12.8 | 64 20 -18.0 -8.7 43 52 20422 0 0 -0.0 -0.0 | 105 16 -15.8 4.1 44 50 20610 335 5 2.1 -4.5 | 88 14 -13.7 -0.4 45 39 22250 185 9 0.8 9.0 | 131 20 -15.0 13.1 46 35 22860 0 0 -0.0 -0.0 | 105 16 -15.8 4.1 47 33 23165 70 9 -8.5 -3.1 | 93 24 -24.2 1.1 48 32 23470 90 19 -19.0 0.0 | 97 35 -34.8 4.1 49 30 23774 85 15 -14.9 -1.3 | 95 31 -30.7 2.8 50 30 23830 75 25 -24.1 -6.5 | 87 40 -39.9 -2.3 51 29 24079 60 17 -14.7 -8.5 | 82 31 -30.5 -4.4 52 28 24384 70 25 -23.5 -8.6 | 84 40 -39.3 -4.4 53 26 24689 75 21 -20.3 -5.4 | 88 36 -36.1 -1.3 54 24 25298 105 25 -24.1 6.5 | 105 41 -39.9 10.6 55 22 25908 85 33 -32.9 -2.9 | 91 49 -48.7 1.3 56 21 26213 105 33 -31.9 8.5 | 105 49 -47.7 12.7 57 20 26450 105 35 -33.8 9.1 | 105 51 -49.6 13.2 58 20 26518 95 38 -37.9 3.3 | 98 54 -53.6 7.4 59 18 26822 110 33 -31.0 11.3 | 108 49 -46.8 15.4 60 17 27127 95 35 -34.9 3.1 | 98 51 -50.6 7.2 61 13 28042 100 44 -43.3 7.6 | 101 60 -59.1 11.8 62 12 28346 95 27 -26.9 2.4 | 99 43 -42.7 6.5 63 10 28956 95 33 -32.9 2.9 | 98 49 -48.7 7.0 64 8 29870 100 46 -45.3 8.0 | 101 62 -61.1 12.1 Wind Parameters Mean winds (0-6000m): 254.7 at 21.7 knts Storm direction: 284.7 at 16.3 knts Shear (0-3000m) pos: 3.2 neg: 1.1 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 118.6 deg Storm rel helicity (0-3000m) pos: 171.3 neg: -16.3 tot: 155.0 m^2/s^2 ave: 51.7 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 5.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 86.64 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 ------------------------------------------------------------------------------- 500 122 5 109 21| 8.7 0.0 8.7| 38.7 -1.5 37.2 74.3 0.53| 12.1 6.4 1000 157 7 120 21| 5.2 0.0 5.2| 68.8 -1.5 67.3 67.3 0.59| 10.2 6.0 1500 180 9 129 20| 4.2 0.0 4.2| 91.3 -11.4 79.9 53.3 0.51| 9.5 4.8 2000 204 11 141 18| 4.1 0.0 4.1|142.3 -15.9 126.3 63.2 0.54| 11.7 6.3 2500 221 12 150 15| 3.3 1.3 4.6|155.6 -16.3 139.3 55.7 0.56| 10.9 6.1 3000 232 14 161 14| 3.2 1.1 4.3|171.3 -16.3 155.0 51.7 0.57| 10.1 5.8 4000 245 18 181 12| 3.0 0.8 3.8|184.9 -16.3 168.6 42.1 0.58| 8.3 4.8 5000 252 20 197 11| 2.2 0.6 2.9|194.5 -16.3 178.2 35.6 0.58| 7.1 4.1 6000 255 22 208 11| 1.9 1.1 3.0|198.4 -31.3 167.1 27.8 0.47| 6.9 3.2 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250417.00.gif