UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 1 MAY 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 1006 66 24.2 21.9 87 2.3 22.6 0 0 296.8 299.9 295.5 345.0 16.67 1 1000 118 24.0 21.5 86 2.5 22.2 280 1 297.1 300.1 295.4 344.5 16.35 2 958 493 20.6 20.4 99 0.2 20.5 195 5 297.4 300.3 295.1 343.5 15.94 3 925 797 19.6 18.2 92 1.4 18.7 255 7 299.4 302.0 294.6 341.3 14.36 4 876 1266 18.8 15.6 82 3.2 16.7 295 9 303.2 305.6 294.6 341.3 12.83 5 850 1525 17.2 15.0 87 2.2 15.7 295 11 304.2 306.5 294.8 342.0 12.72 6 700 3161 8.2 6.6 90 1.6 7.2 285 17 311.6 313.2 294.0 338.6 8.77 7 660 3646 5.8 5.6 99 0.2 5.7 290 19 314.1 315.8 294.6 341.2 8.68 8 619 4169 3.0 -2.0 70 5.0 0.4 270 22 316.8 317.8 292.7 333.8 5.34 9 612 4261 2.2 1.2 93 1.0 1.7 266 23 316.9 318.2 294.0 338.5 6.84 10 535 5336 -4.3 -4.3 100 0.0 -4.3 266 25 321.5 322.5 293.9 338.4 5.21 11 527 5455 -3.7 -5.7 86 2.0 -4.7 258 26 323.6 324.6 294.1 339.2 4.75 12 504 5807 -5.1 -9.3 72 4.2 -7.0 259 27 326.1 326.8 294.0 338.6 3.75 13 500 5870 -5.3 -8.3 79 3.0 -6.7 260 27 326.6 327.4 294.4 340.3 4.09 14 485 6109 -6.5 -10.5 73 4.0 -8.2 260 25 328.0 328.7 294.3 339.9 3.55 15 447 6743 -10.7 -15.2 69 4.5 -12.4 263 24 330.4 330.9 294.2 339.5 2.63 16 400 7590 -16.7 -17.4 94 0.7 -16.9 275 29 333.3 333.8 294.7 341.8 2.44 17 397 7646 -17.1 -17.6 96 0.5 -17.3 275 25 333.5 334.0 294.8 342.0 2.42 18 368 8213 -19.1 -25.1 59 6.0 -20.7 269 30 338.1 338.4 295.1 343.1 1.35 19 330 9014 -25.1 -32.1 52 7.0 -26.5 262 36 340.6 340.8 295.2 343.6 0.79 20 300 9700 -29.9 -37.9 46 8.0 -31.1 255 42 343.2 343.3 295.6 345.1 0.49 21 284 10088 -32.7 -43.7 33 11.0 -34.0 259 45 344.6 344.7 295.7 345.8 0.28 22 262 10649 -37.7 -46.7 38 9.0 -38.5 266 51 345.4 345.4 295.8 346.2 0.22 23 250 10970 -39.7 -52.7 24 13.0 -40.6 270 54 347.0 347.1 296.1 347.5 0.12 24 211 12110 -49.1 -63.1 18 14.0 -49.5 280 54 349.6 349.6 296.6 349.8 0.04 25 200 12460 -52.1 -63.1 25 11.0 -52.4 280 56 350.3 350.3 296.7 350.4 0.04 26 190 12788 -54.9 -67.9 19 13.0 -55.1 276 58 350.9 350.9 296.8 351.0 0.02 27 185 12957 -56.3 -60.7 58 4.4 -56.4 273 59 351.4 351.4 297.0 351.6 0.06 28 181 13095 -57.3 -71.3 15 14.0 -57.5 271 59 351.9 351.9 297.1 352.0 0.01 29 178 13200 -58.3 -70.8 19 12.5 -58.5 270 60 352.0 352.0 297.1 352.1 0.02 30 167 13596 -62.1 -69.1 39 7.0 -62.2 270 59 352.1 352.1 297.1 352.2 0.02 31 161 13821 -63.5 -75.5 18 12.0 -63.6 270 57 353.5 353.5 297.4 353.5 0.01 32 154 14091 -65.7 -70.7 50 5.0 -65.7 270 55 354.2 354.2 297.5 354.3 0.02 33 150 14250 -66.9 -73.9 37 7.0 -67.0 270 54 354.8 354.8 297.7 354.9 0.01 34 120 15574 -73.9 -82.9 24 9.0 -73.9 278 51 365.4 365.4 299.7 365.4 0.00 35 117 15722 -72.5 -83.5 17 11.0 -72.5 282 48 370.6 370.6 300.7 370.6 0.00 36 100 16630 -78.5 -86.5 26 8.0 -78.5 290 31 376.1 376.1 301.6 376.1 0.00 37 83 17684 -81.7 -88.7 29 7.0 -81.7 260 9 390.1 390.1 303.8 390.1 0.00 38 78 18036 -78.3 -87.3 22 9.0 -78.3 311 13 404.2 404.2 305.7 404.2 0.00 39 73 18412 -80.3 -89.3 21 9.0 -80.3 291 10 407.7 407.7 306.2 407.7 0.00 40 70 18650 -78.5 -88.5 18 10.0 -78.6 295 9 416.4 416.4 307.3 416.5 0.00 41 67 18899 -78.9 -89.9 15 11.0 -78.9 295 11 420.8 420.8 307.8 420.8 0.00 42 60 19532 -75.9 -90.9 8 15.0 -76.0 295 10 441.0 441.0 310.0 441.0 0.00 43 56 19938 -68.5 -89.5 3 21.0 -68.7 247 14 466.7 466.7 312.4 466.7 0.00 44 55 20046 -69.1 -90.1 3 21.0 -69.2 190 11 467.7 467.7 312.4 467.7 0.00 45 50 20620 -65.5 -89.5 2 24.0 -65.8 330 3 489.1 489.1 314.1 489.1 0.00 46 37 22501 -54.3 -86.3 1 32.0 -55.7 90 10 561.9 561.9 318.8 561.9 0.01 47 30 23840 -56.1 -87.1 1 31.0 -57.5 90 17 591.7 591.7 320.2 591.7 0.01 48 22 25845 -49.7 -84.7 1 35.0 -53.1 119 22 665.7 665.7 323.3 665.8 0.01 49 21 26149 -50.7 -84.7 1 34.0 -53.9 104 26 671.5 671.6 323.5 671.7 0.01 50 20 26470 -47.5 -83.5 1 36.0 -51.8 130 29 690.8 690.8 324.1 690.9 0.02 51 17 27556 -42.7 -81.7 1 39.0 -49.4 88 14 739.0 739.1 325.6 739.3 0.03 52 15 28395 -45.9 -82.9 1 37.0 -51.7 120 25 755.3 755.4 326.1 755.6 0.03 53 13 29357 -41.9 -81.9 1 40.0 -50.0 83 26 800.7 800.8 327.3 801.1 0.04 54 11 30485 -43.5 -82.5 1 39.0 -51.5 75 27 834.1 834.1 328.1 834.5 0.04 55 10 31130 -40.5 -81.5 0 41.0 -50.5 65 25 868.4 868.4 328.8 868.9 0.05 56 8.1 32571 -38.9 -80.9 0 42.0 -50.8 928.7 928.7 329.9 929.4 0.07 TRP 83 17684 -81.7 -88.7 29 7.0 -81.7 260 9 390.1 390.1 303.8 390.1 0.00 WND 178 13200 -58.3 -70.8 19 12.5 -58.5 270 60 352.0 352.0 297.1 352.1 0.02 Sounding variables and indices 1000-500 mb thick: 5752.00 m Freezing level: 585.94 mb = 4624.73 m = 15172.83 ft Wetbulb zero: 590.61 mb = 4545.33 m = 14912.33 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 89.52 % Est. max temperature: 31.31 C = 88.36 F Sfc-Lift cond lev (LCL): 973.16 mb = 355.77 m = 1167.20 ft T: 21.84 C 700-500 lapse rate: 4.98 C/km ThetaE index: 3.75 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 868.08 mb = 1344.32 m = 4410.45 ft Mean mixing ratio: 15.42 g/kg Conv temperature: 30.87 C = 87.57 F Cap Strength: 1.70 C Lifted Index: 0.25 C Risk: Showers probable Lifted Index @300 mb: 2.42 C Lifted Index @700 mb: -0.37 C Showalter Index: 0.66 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.30 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 229.00 Risk: None Energy Index: -0.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 105.08 J/kg Max Up Vert Vel: 14.50 m/s Conv Inhibition (B-): 55.21 J/kg Cap Strength: 1.64 C Lift Cond Lev (LCL): 937.54 mb = 680.23 m = 2231.71 ft Lev Free Conv (LFC): 732.54 mb = 2778.14 m = 9114.53 ft Equ Level (EL): 502.54 mb = 5830.14 m = 19127.51 ft B at Equ Level: 98.34 J/kg Max Parcel Lev (MPL): 312.54 mb = 9405.43 m = 30857.34 ft Wind level data Storm motion: 309 at 12 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 1006 66 0 0 -0.0 -0.0 | 129 12 -9.7 7.9 1 1000 118 280 1 1.0 -0.2 | 131 12 -8.7 7.7 2 979 305 100 1 -1.0 0.2 | 127 13 -10.7 8.0 3 945 610 255 7 6.8 1.8 | 163 10 -3.0 9.7 4 925 797 255 7 6.8 1.8 | 163 10 -3.0 9.7 5 912 914 275 7 7.0 -0.6 | 159 8 -2.7 7.2 6 881 1219 295 9 8.2 -3.8 | 159 4 -1.6 4.1 7 850 1525 295 11 10.0 -4.6 | 184 3 0.2 3.2 8 820 1829 305 17 13.9 -9.8 | 294 5 4.2 -1.9 9 791 2134 305 15 12.3 -8.6 | 286 3 2.6 -0.7 10 736 2743 320 13 8.4 -10.0 | 33 3 -1.4 -2.1 11 709 3048 285 15 14.5 -3.9 | 230 6 4.8 4.0 12 700 3161 285 17 16.4 -4.4 | 243 8 6.7 3.5 13 658 3658 290 19 17.9 -6.5 | 261 8 8.1 1.4 14 610 4267 265 23 22.9 2.0 | 233 16 13.2 9.9 15 587 4572 270 23 23.0 -0.0 | 239 15 13.3 7.9 16 545 5182 275 23 22.9 -2.0 | 246 14 13.2 5.9 17 524 5486 255 27 26.1 7.0 | 228 22 16.4 14.8 18 500 5870 260 27 26.6 4.7 | 233 21 16.9 12.5 19 486 6096 260 25 24.6 4.3 | 231 19 14.9 12.2 20 415 7315 265 23 22.9 2.0 | 233 16 13.2 9.9 21 400 7590 275 29 28.9 -2.5 | 254 20 19.2 5.3 22 398 7620 275 25 24.9 -2.2 | 249 16 15.2 5.7 23 300 9700 255 42 40.6 10.9 | 239 36 30.8 18.7 24 298 9754 255 42 40.6 10.9 | 239 36 30.8 18.7 25 250 10970 270 54 54.0 -0.0 | 260 45 44.3 7.9 26 250 10973 265 54 53.8 4.7 | 254 46 44.1 12.6 27 218 11887 280 52 51.2 -9.0 | 272 42 41.5 -1.2 28 200 12460 280 56 55.1 -9.7 | 272 45 45.4 -1.9 29 178 13200 270 60 60.0 -0.0 | 261 51 50.3 7.9 30 172 13411 270 60 60.0 -0.0 | 261 51 50.3 7.9 31 150 14250 270 54 54.0 -0.0 | 260 45 44.3 7.9 32 148 14326 275 58 57.8 -5.1 | 267 48 48.1 2.8 33 133 14935 260 56 55.1 9.7 | 249 49 45.4 17.6 34 127 15240 270 56 56.0 -0.0 | 260 47 46.3 7.9 35 114 15850 285 46 44.4 -11.9 | 277 35 34.7 -4.0 36 103 16459 295 27 24.5 -11.4 | 284 15 14.8 -3.6 37 100 16630 290 31 29.1 -10.6 | 278 20 19.4 -2.7 38 98 16764 290 31 29.1 -10.6 | 278 20 19.4 -2.7 39 83 17678 260 13 12.8 2.3 | 197 11 3.1 10.1 40 83 17684 260 9 8.9 1.6 | 175 9 -0.9 9.4 41 79 17983 310 13 10.0 -8.4 | 334 1 0.2 -0.5 42 75 18288 315 11 7.8 -7.8 | 92 2 -1.9 0.1 43 71 18593 255 9 8.7 2.3 | 174 10 -1.0 10.2 44 70 18650 295 9 8.2 -3.8 | 159 4 -1.6 4.1 45 67 18898 295 11 10.0 -4.6 | 184 3 0.2 3.2 46 64 19202 280 1 1.0 -0.2 | 131 12 -8.7 7.7 47 60 19507 290 9 8.5 -3.1 | 165 5 -1.3 4.8 48 57 19812 325 19 10.9 -15.6 | 351 8 1.2 -7.7 49 54 20117 160 9 -3.1 8.5 | 142 21 -12.8 16.3 50 50 20620 330 3 1.5 -2.6 | 123 10 -8.2 5.3 51 41 21946 100 1 -1.0 0.2 | 127 13 -10.7 8.0 52 39 22250 50 17 -13.0 -10.9 | 82 23 -22.7 -3.1 53 37 22555 95 9 -9.0 0.8 | 115 21 -18.7 8.6 54 35 22860 135 11 -7.8 7.8 | 132 23 -17.5 15.6 55 33 23165 60 19 -16.5 -9.5 | 86 26 -26.2 -1.6 56 32 23470 75 27 -26.1 -7.0 | 91 36 -35.8 0.9 57 30 23774 105 15 -14.5 3.9 | 116 27 -24.2 11.7 58 30 23840 90 17 -17.0 0.0 | 106 28 -26.7 7.9 59 28 24384 85 7 -7.0 -0.6 | 113 18 -16.7 7.2 60 24 25298 110 29 -27.3 9.9 | 116 41 -37.0 17.8 61 22 25908 120 21 -18.2 10.5 | 123 33 -27.9 18.4 62 21 26213 100 27 -26.6 4.7 | 109 38 -36.3 12.5 63 20 26470 130 29 -22.2 18.6 | 130 41 -31.9 26.5 64 20 26518 100 33 -32.5 5.7 | 108 44 -42.2 13.6 65 19 26822 130 29 -22.2 18.6 | 130 41 -31.9 26.5 66 17 27432 90 11 -11.0 0.0 | 111 22 -20.7 7.9 67 16 28042 80 27 -26.6 -4.7 | 95 36 -36.3 3.2 68 15 28346 120 25 -21.7 12.5 | 123 37 -31.4 20.4 69 14 28956 115 25 -22.7 10.6 | 120 37 -32.4 18.4 70 13 29261 80 25 -24.6 -4.3 | 96 35 -34.3 3.5 71 13 29566 90 29 -29.0 0.0 | 101 40 -38.7 7.9 72 10 31130 65 25 -22.7 -10.6 | 85 32 -32.4 -2.7 Wind Parameters Mean winds (0-6000m): 279.0 at 16.7 knts Storm direction: 309.0 at 12.5 knts Shear (0-3000m) pos: 2.4 neg: 2.4 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 103.5 deg Storm rel helicity (0-3000m) pos: 40.5 neg: -7.4 tot: 33.2 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 2.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 3.36 Bulk Shear: 31.25 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 ------------------------------------------------------------------------------- 500 227 2 139 12| 0.0 6.3 6.3| 29.8 -3.3 26.5 53.1 0.60| 12.1 7.3 1000 263 5 149 10| 3.3 3.2 6.5| 33.3 -4.2 29.0 29.0 0.43| 9.5 4.1 1500 280 6 153 8| 3.6 2.1 5.7| 35.3 -4.3 31.0 20.6 0.44| 7.9 3.5 2000 291 9 161 5| 3.8 1.6 5.4| 38.9 -4.6 34.3 17.1 0.49| 7.7 3.8 2500 297 10 164 4| 2.9 1.3 4.2| 40.2 -4.6 35.6 14.2 0.52| 6.8 3.6 3000 299 10 169 3| 2.4 2.4 4.8| 40.5 -7.4 33.2 11.1 0.28| 7.4 2.1 4000 293 13 213 3| 2.2 2.6 4.8| 47.7 -17.8 29.9 7.5 0.23| 6.9 1.6 5000 285 15 229 6| 1.9 2.3 4.2| 60.5 -25.8 34.7 6.9 0.22| 6.2 1.4 6000 279 17 232 9| 1.7 2.6 4.3| 70.9 -55.3 15.6 2.6 0.12| 6.3 0.8 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250501.00.gif