UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 20 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 1003 70 25.8 23.1 85 2.7 23.9 0 0 298.7 302.0 296.9 351.2 18.02 1 1000 96 25.6 23.2 87 2.4 23.9 215 1 298.8 302.1 297.0 351.8 18.19 2 945 592 21.2 21.2 100 0.0 21.2 228 11 299.2 302.2 296.4 348.8 17.01 3 925 778 20.4 18.7 90 1.7 19.2 225 9 300.2 302.9 295.2 343.6 14.83 4 901 1005 18.4 17.7 96 0.7 17.9 220 11 300.4 303.0 294.8 342.2 14.29 5 895 1063 21.4 11.4 53 10.0 15.0 220 13 304.0 305.8 292.4 332.4 9.50 6 894 1072 21.4 12.4 56 9.0 15.5 220 13 304.1 306.0 292.9 334.5 10.17 7 877 1239 21.0 12.0 56 9.0 15.2 220 17 305.4 307.3 293.2 335.7 10.10 8 852 1490 20.0 14.0 68 6.0 16.0 225 23 306.9 309.1 295.0 342.7 11.88 9 850 1510 20.2 13.2 64 7.0 15.5 225 23 307.3 309.4 294.7 341.4 11.29 10 821 1810 21.0 8.0 43 13.0 12.9 227 22 311.2 312.8 293.4 336.6 8.22 11 700 3166 10.4 7.9 84 2.5 8.8 240 19 314.0 315.8 295.3 343.8 9.60 12 684 3358 8.8 8.0 95 0.8 8.3 240 19 314.3 316.2 295.6 345.1 9.90 13 664 3603 7.8 1.8 66 6.0 4.4 240 19 315.9 317.1 293.5 336.6 6.58 14 610 4295 2.0 2.0 100 0.0 2.0 247 24 316.9 318.3 294.3 339.9 7.27 15 576 4757 -0.3 -0.3 100 0.0 -0.3 253 28 319.5 320.7 294.4 340.3 6.52 16 563 4939 -1.1 -5.7 71 4.6 -3.3 253 30 320.6 321.5 293.1 335.1 4.44 17 559 4996 -1.7 -1.7 100 0.0 -1.7 252 31 320.6 321.8 294.3 340.1 6.05 18 554 5068 -1.1 -17.1 28 16.0 -7.0 249 32 322.1 322.5 291.2 328.3 1.81 19 541 5257 -2.1 -17.1 31 15.0 -7.6 246 35 323.1 323.5 291.6 329.4 1.85 20 531 5405 -3.3 -4.9 89 1.6 -4.1 248 35 323.4 324.4 294.3 339.8 5.01 21 524 5510 -3.3 -13.3 46 10.0 -7.4 249 35 324.6 325.2 292.7 333.5 2.62 22 520 5571 -3.7 -11.7 54 8.0 -7.1 246 35 324.9 325.5 293.0 335.0 3.00 23 509 5739 -4.3 -20.3 27 16.0 -9.7 238 35 326.1 326.4 292.1 331.3 1.50 24 507 5770 -4.5 -12.5 54 8.0 -7.8 236 35 326.3 326.8 293.3 336.0 2.89 25 505 5802 -4.3 -21.3 25 17.0 -9.9 236 35 326.9 327.1 292.2 331.7 1.38 26 502 5849 -4.5 -19.5 30 15.0 -9.7 245 34 327.2 327.5 292.5 332.8 1.62 27 500 5880 -4.9 -12.9 53 8.0 -8.2 250 33 327.1 327.6 293.5 336.7 2.83 28 497 5928 -5.3 -7.9 82 2.6 -6.5 249 33 327.1 328.0 294.6 341.4 4.25 29 475 6284 -6.3 -13.3 58 7.0 -9.2 251 29 330.2 330.7 294.3 340.1 2.89 30 468 6401 -6.9 -11.9 67 5.0 -9.0 255 27 330.8 331.5 294.8 342.1 3.28 31 420 7238 -13.5 -16.0 81 2.5 -14.4 252 28 332.8 333.3 294.8 341.9 2.61 32 400 7610 -15.1 -20.1 66 5.0 -16.7 250 29 335.4 335.8 294.8 342.3 1.94 33 391 7782 -16.3 -22.3 60 6.0 -18.1 251 30 336.0 336.3 294.8 341.9 1.64 34 357 8459 -21.7 -25.4 72 3.7 -22.7 255 34 337.6 337.9 294.9 342.5 1.36 35 324 9168 -25.7 -40.7 23 15.0 -27.9 258 38 341.6 341.6 295.0 342.9 0.34 36 300 9720 -30.5 -43.5 27 13.0 -32.0 265 36 342.4 342.4 295.1 343.5 0.27 37 294 9863 -31.3 -41.3 37 10.0 -32.6 267 36 343.2 343.3 295.4 344.6 0.35 38 285 10082 -32.3 -54.3 9 22.0 -34.1 271 36 344.9 344.9 295.6 345.2 0.08 39 260 10721 -37.9 -64.9 4 27.0 -39.1 281 35 345.8 345.8 295.7 345.9 0.02 40 250 10990 -40.1 -47.1 47 7.0 -40.6 280 35 346.4 346.5 296.0 347.3 0.22 41 248 11045 -40.3 -52.3 27 12.0 -41.1 280 35 346.9 347.0 296.1 347.5 0.12 42 241 11239 -42.3 -54.3 26 12.0 -43.0 280 35 346.8 346.8 296.0 347.2 0.10 43 224 11729 -46.7 -61.7 17 15.0 -47.2 280 36 347.4 347.4 296.1 347.6 0.04 44 219 11878 -47.9 -52.9 56 5.0 -48.1 280 37 347.8 347.8 296.3 348.3 0.13 45 213 12060 -49.5 -60.5 26 11.0 -49.8 280 37 348.1 348.1 296.3 348.3 0.05 46 209 12184 -50.3 -70.3 8 20.0 -50.7 280 37 348.7 348.7 296.4 348.8 0.01 47 202 12406 -51.9 -57.9 48 6.0 -52.1 280 38 349.6 349.6 296.6 349.9 0.08 48 200 12470 -52.5 -61.5 33 9.0 -52.8 280 38 349.6 349.6 296.6 349.8 0.05 49 198 12535 -52.9 -72.9 7 20.0 -53.2 280 38 350.0 350.0 296.7 350.0 0.01 50 184 13003 -56.1 -69.1 18 13.0 -56.3 277 38 352.2 352.2 297.1 352.3 0.02 51 178 13212 -58.1 -64.1 46 6.0 -58.2 276 38 352.3 352.3 297.1 352.5 0.04 52 172 13427 -59.3 -71.3 20 12.0 -59.5 275 38 353.8 353.8 297.4 353.9 0.01 53 166 13648 -60.9 -65.9 52 5.0 -61.0 275 37 354.7 354.7 297.7 354.9 0.03 54 157 13992 -63.5 -75.5 18 12.0 -63.6 275 35 356.0 356.0 297.9 356.1 0.01 55 150 14270 -65.3 -73.3 32 8.0 -65.4 265 33 357.6 357.6 298.2 357.6 0.01 56 129 15175 -71.7 -78.7 34 7.0 -71.8 258 29 361.9 361.9 299.1 361.9 0.01 57 118 15700 -72.1 -83.1 18 11.0 -72.2 272 23 370.5 370.5 300.7 370.5 0.00 58 101 16603 -78.1 -84.1 37 6.0 -78.1 317 15 375.8 375.8 301.5 375.8 0.00 59 100 16660 -78.1 -84.1 37 6.0 -78.1 320 15 376.8 376.8 301.7 376.8 0.00 60 88 17381 -82.1 -87.1 42 5.0 -82.1 320 1 382.8 382.8 302.7 382.9 0.00 61 80 17917 -78.7 -87.7 22 9.0 -78.7 290 4 400.4 400.4 305.3 400.4 0.00 62 70 18670 -81.9 -89.9 24 8.0 -81.9 5 5 409.2 409.2 306.4 409.2 0.00 63 69 18751 -82.3 -90.3 24 8.0 -82.3 24 6 410.0 410.0 306.5 410.0 0.00 64 64 19179 -75.7 -87.7 14 12.0 -75.7 123 9 433.4 433.4 309.2 433.4 0.00 65 54 20174 -71.1 -88.1 6 17.0 -71.2 63 9 465.6 465.6 312.3 465.6 0.00 66 52 20396 -72.5 -89.5 6 17.0 -72.6 101 14 467.4 467.4 312.4 467.4 0.00 67 50 20630 -67.5 -88.5 4 21.0 -67.7 140 19 484.4 484.4 313.8 484.4 0.00 68 47 21006 -63.1 -88.1 2 25.0 -63.5 168 17 503.6 503.6 315.2 503.6 0.00 69 42 21700 -61.1 -88.1 2 27.0 -61.7 47 2 525.0 525.0 316.6 525.1 0.00 70 39 22159 -61.7 -88.7 2 27.0 -62.3 62 11 534.8 534.8 317.2 534.8 0.00 71 30 23800 -57.1 -86.1 1 29.0 -58.3 65 31 589.0 589.0 320.1 589.0 0.01 72 28 24237 -56.7 -85.7 1 29.0 -58.1 82 27 601.8 601.8 320.7 601.9 0.01 73 26 24711 -53.5 -84.5 1 31.0 -55.6 99 23 623.8 623.8 321.6 623.9 0.01 74 23 25499 -54.5 -84.5 1 30.0 -56.6 78 28 643.1 643.1 322.4 643.2 0.01 75 20 26400 -51.9 -83.9 1 32.0 -54.8 115 21 677.3 677.3 323.7 677.4 0.02 76 17 27465 -47.1 -82.1 1 35.0 -52.0 100 20 724.9 724.9 325.2 725.2 0.03 77 14 28754 -45.7 -80.7 1 35.0 -51.8 80 21 771.1 771.1 326.5 771.4 0.04 78 12 29776 -48.1 -82.1 1 34.0 -53.7 95 23 797.3 797.3 327.2 797.7 0.04 79 11 30352 -46.1 -81.1 1 35.0 -52.9 95 27 824.7 824.7 327.8 825.2 0.05 TRP 88 17381 -82.1 -87.1 42 5.0 -82.1 320 1 382.8 382.8 302.7 382.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 580.43 mb = 4696.36 m = 15407.83 ft Wetbulb zero: 580.81 mb = 4689.60 m = 15385.64 ft Precipitable water: 2.05 inches Sfc-500 mean rel hum: 72.69 % Est. max temperature: 33.94 C = 93.10 F Sfc-Lift cond lev (LCL): 964.77 mb = 410.56 m = 1346.95 ft T: 22.81 C 700-500 lapse rate: 5.64 C/km ThetaE index: 19.36 C Layer 945.0- 894.0 mb Conv cond level (CCL): 928.12 mb = 748.69 m = 2456.30 ft Mean mixing ratio: 16.58 g/kg Conv temperature: 27.12 C = 80.81 F Cap Strength: 5.04 C Lifted Index: -1.17 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.93 C Lifted Index @700 mb: 0.42 C Showalter Index: 1.29 C Risk: Showers probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 25.10 C Cross Totals Index: 18.10 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 315.23 Risk: Showers and thunderstorms possible Energy Index: -0.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 328.93 J/kg Max Up Vert Vel: 25.65 m/s Conv Inhibition (B-): 0.46 J/kg Cap Strength: 4.88 C Lift Cond Lev (LCL): 936.88 mb = 667.07 m = 2188.53 ft Lev Free Conv (LFC): 921.88 mb = 807.14 m = 2648.07 ft Equ Level (EL): 901.88 mb = 996.50 m = 3269.31 ft B at Equ Level: 8.23 J/kg Max Parcel Lev (MPL): 881.88 mb = 1190.94 m = 3907.25 ft Wind level data Storm motion: 270 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 1003 70 0 0 -0.0 -0.0 | 90 16 -15.8 -0.0 1 1000 96 215 1 0.6 0.8 | 93 15 -15.2 0.8 2 976 305 205 3 1.3 2.7 | 101 15 -14.5 2.7 3 943 610 230 11 8.4 7.1 | 134 10 -7.4 7.1 4 925 778 225 9 6.4 6.4 | 124 11 -9.4 6.3 5 911 914 220 9 5.8 6.9 | 124 12 -10.0 6.9 6 879 1219 220 17 10.9 13.0 | 159 14 -4.9 13.0 7 850 1510 225 23 16.3 16.3 | 182 16 0.5 16.2 8 849 1524 225 25 17.7 17.7 | 186 18 1.9 17.7 9 790 2134 230 19 14.6 12.2 | 174 12 -1.2 12.2 10 736 2743 235 13 10.6 7.5 | 145 9 -5.2 7.4 11 710 3048 240 19 16.5 9.5 | 184 10 0.7 9.5 12 700 3166 240 19 16.5 9.5 | 184 10 0.7 9.5 13 659 3658 240 19 16.5 9.5 | 184 10 0.7 9.5 14 588 4572 250 27 25.4 9.2 | 226 13 9.6 9.2 15 566 4877 255 29 28.0 7.5 | 238 14 12.2 7.5 16 545 5182 245 35 31.7 14.8 | 227 22 15.9 14.8 17 525 5486 250 35 32.9 12.0 | 235 21 17.1 12.0 18 506 5791 235 35 28.7 20.1 | 213 24 12.9 20.1 19 500 5880 250 33 31.0 11.3 | 233 19 15.2 11.3 20 486 6096 245 31 28.1 13.1 | 223 18 12.3 13.1 21 468 6401 255 27 26.1 7.0 | 236 12 10.3 7.0 22 400 7610 250 29 27.3 9.9 | 229 15 11.4 9.9 23 311 9449 260 40 39.4 6.9 | 254 25 23.6 6.9 24 300 9720 265 36 35.9 3.1 | 261 20 20.1 3.1 25 251 10973 285 35 33.8 -9.1 | 297 20 18.0 -9.1 26 250 10990 280 35 34.5 -6.1 | 288 20 18.7 -6.1 27 200 12470 280 38 37.4 -6.6 | 287 23 21.6 -6.6 28 172 13411 275 38 37.9 -3.3 | 279 22 22.1 -3.3 29 156 14021 275 35 34.9 -3.1 | 279 19 19.1 -3.1 30 150 14270 265 33 32.9 2.9 | 260 17 17.1 2.9 31 149 14326 260 33 32.5 5.7 | 251 18 16.7 5.7 32 134 14935 280 33 32.5 -5.7 | 289 18 16.7 -5.7 33 127 15240 250 27 25.4 9.2 | 226 13 9.6 9.2 34 100 16660 320 15 9.6 -11.5 | 28 13 -6.2 -11.5 35 98 16764 325 23 13.2 -18.8 | 8 19 -2.6 -18.9 36 88 17381 320 1 0.6 -0.8 | 87 15 -15.2 -0.8 37 83 17678 270 1 1.0 -0.0 | 90 15 -14.8 -0.0 38 75 18288 320 9 5.8 -6.9 | 55 12 -10.0 -6.9 39 70 18670 5 5 -0.4 -5.0 | 73 17 -16.2 -5.0 40 64 19202 125 9 -7.4 5.2 | 103 24 -23.2 5.1 41 61 19507 165 13 -3.4 12.6 | 123 23 -19.2 12.5 42 58 19812 0 0 -0.0 -0.0 | 90 16 -15.8 -0.0 43 50 20630 140 19 -12.2 14.6 | 117 32 -28.0 14.5 44 49 20726 135 19 -13.4 13.4 | 115 32 -29.2 13.4 45 47 21031 170 17 -3.0 16.7 | 132 25 -18.8 16.7 46 45 21336 170 9 -1.6 8.9 | 117 19 -17.4 8.8 47 42 21641 45 1 -0.7 -0.7 | 87 17 -16.5 -0.7 48 39 22250 65 13 -11.8 -5.5 | 79 28 -27.6 -5.5 49 37 22555 65 23 -20.8 -9.7 | 75 38 -36.6 -9.7 50 35 22860 70 29 -27.3 -9.9 | 77 44 -43.1 -9.9 51 33 23165 80 23 -22.7 -4.0 | 84 39 -38.5 -4.0 52 30 23774 55 25 -20.5 -14.3 | 68 39 -36.3 -14.4 53 30 23800 65 31 -28.1 -13.1 | 73 46 -43.9 -13.1 54 26 24689 100 23 -22.7 4.0 | 96 39 -38.5 4.0 55 23 25603 75 29 -28.0 -7.5 | 80 44 -43.8 -7.5 56 22 25908 95 33 -32.9 2.9 | 93 49 -48.7 2.9 57 21 26213 115 29 -26.3 12.3 | 106 44 -42.1 12.2 58 20 26400 115 21 -19.0 8.9 | 104 36 -34.8 8.9 59 19 26518 100 25 -24.6 4.3 | 96 41 -40.4 4.3 60 18 26822 115 21 -19.0 8.9 | 104 36 -34.8 8.9 61 16 27127 90 19 -19.0 0.0 | 90 35 -34.8 -0.0 62 14 27737 80 21 -20.7 -3.6 | 84 37 -36.5 -3.7 63 13 28042 95 21 -20.9 1.8 | 93 37 -36.7 1.8 64 11 28651 95 27 -26.9 2.4 | 93 43 -42.7 2.3 65 9 29261 130 19 -14.6 12.2 | 112 33 -30.4 12.2 66 9 29566 100 15 -14.8 2.6 | 95 31 -30.6 2.6 67 8 29870 100 23 -22.7 4.0 | 96 39 -38.5 4.0 Wind Parameters Mean winds (0-6000m): 239.9 at 21.1 knts Storm direction: 269.9 at 15.8 knts Shear (0-3000m) pos: 1.4 neg: 2.2 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 94.0 deg Storm rel helicity (0-3000m) pos: 100.2 neg: -26.6 tot: 73.5 m^2/s^2 ave: 24.5 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 3.6 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 8.47 Bulk Shear: 38.84 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 ------------------------------------------------------------------------------- 500 219 4 104 14| 0.0 10.2 10.2| 32.7 0.0 32.7 65.3 0.87| 10.7 9.4 1000 223 7 116 12| 0.0 6.7 6.7| 46.5 -3.2 43.4 43.4 0.74| 8.6 6.4 1500 223 11 135 12| 4.0 4.5 8.5| 86.9 -3.2 83.8 55.9 0.80| 9.8 7.9 2000 224 14 149 12| 1.8 3.4 5.2| 86.9 -12.7 74.3 37.1 0.61| 8.7 5.3 2500 226 15 152 11| 0.8 2.7 3.4| 86.9 -23.9 63.1 25.2 0.43| 8.0 3.4 3000 228 15 154 11| 1.4 2.2 3.6|100.2 -26.6 73.5 24.5 0.46| 7.8 3.6 4000 232 16 162 10| 1.5 1.7 3.2|110.1 -26.6 83.5 20.9 0.50| 6.4 3.2 5000 238 18 178 10| 1.7 1.9 3.7|134.3 -35.7 98.5 19.7 0.48| 6.5 3.1 6000 240 21 193 11| 1.5 1.5 3.0|183.8 -98.5 85.3 14.2 0.32| 7.4 2.4 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250420.00.gif