UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 19 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 1001 69 26.0 23.7 87 2.3 24.3 0 0 299.1 302.5 297.4 353.8 18.74 1 1000 78 26.0 23.8 88 2.2 24.4 0 0 299.1 302.6 297.5 354.3 18.88 2 954 493 22.6 22.5 99 0.1 22.6 221 11 299.8 303.1 297.3 353.3 18.28 3 925 762 21.2 20.9 98 0.3 21.0 225 17 301.0 304.1 296.9 351.1 17.06 4 896 1038 19.4 18.6 95 0.8 18.8 231 20 301.9 304.7 295.9 346.8 15.22 5 885 1145 21.2 16.6 75 4.6 18.0 227 24 304.8 307.3 295.6 345.3 13.55 6 863 1364 21.6 12.6 57 9.0 15.7 228 24 307.4 309.4 294.3 339.7 10.68 7 862 1374 21.6 12.6 57 9.0 15.7 228 24 307.5 309.5 294.3 339.9 10.70 8 850 1496 21.0 15.0 69 6.0 16.9 230 21 308.1 310.5 295.9 346.6 12.72 9 760 2457 14.6 13.2 91 1.4 13.7 250 22 311.2 313.6 296.6 350.0 12.66 10 734 2751 13.6 7.6 67 6.0 9.9 250 23 313.3 315.0 294.6 341.1 8.96 11 700 3150 10.2 7.5 83 2.7 8.5 260 25 313.8 315.6 295.0 342.8 9.34 12 699 3162 10.0 7.3 83 2.7 8.3 260 25 313.7 315.4 294.9 342.3 9.22 13 627 4059 5.2 -1.8 61 7.0 1.5 239 26 318.1 319.1 293.2 335.3 5.35 14 600 4418 2.8 -1.1 75 3.9 0.7 235 28 319.4 320.5 293.9 338.3 5.89 15 592 4526 2.4 -7.6 48 10.0 -2.3 235 29 320.1 320.8 292.3 332.1 3.65 16 577 4734 1.8 -12.2 35 14.0 -4.1 236 30 321.8 322.3 291.9 330.5 2.60 17 574 4776 1.6 -7.4 51 9.0 -2.6 236 31 322.0 322.8 293.0 334.6 3.82 18 565 4904 1.0 -19.0 21 20.0 -6.2 237 32 322.8 323.1 291.2 328.0 1.51 19 535 5341 -1.1 -7.1 64 6.0 -4.0 239 36 325.3 326.2 294.1 339.3 4.20 20 518 5599 -2.1 -16.1 33 14.0 -7.5 240 37 327.2 327.6 292.9 334.4 2.10 21 513 5676 -2.5 -9.5 59 7.0 -5.7 240 36 327.6 328.3 294.3 339.8 3.63 22 510 5723 -2.3 -11.3 50 9.0 -6.2 240 35 328.4 329.0 294.1 339.1 3.16 23 500 5880 -3.7 -8.3 70 4.6 -5.8 240 33 328.5 329.3 294.8 342.3 4.09 24 466 6430 -8.9 -9.0 99 0.1 -8.9 242 33 328.7 329.6 295.0 342.7 4.16 25 458 6563 -9.7 -10.4 95 0.7 -10.0 241 32 329.4 330.1 294.8 342.2 3.79 26 454 6631 -8.7 -11.5 80 2.8 -9.9 241 32 331.5 332.2 295.1 343.4 3.50 27 431 7032 -10.7 -16.7 61 6.0 -12.9 253 32 333.9 334.4 294.8 342.3 2.40 28 400 7600 -15.1 -21.1 60 6.0 -17.0 260 35 335.4 335.7 294.7 341.7 1.78 29 399 7619 -15.1 -21.1 60 6.0 -17.0 260 35 335.6 336.0 294.8 342.0 1.78 30 394 7715 -15.9 -18.9 78 3.0 -16.9 260 35 335.8 336.2 295.1 343.5 2.18 31 389 7811 -16.5 -24.5 50 8.0 -18.7 260 36 336.2 336.5 294.6 341.1 1.35 32 382 7948 -17.3 -21.3 71 4.0 -18.6 260 36 336.9 337.3 295.1 343.5 1.83 33 369 8208 -18.5 -26.5 49 8.0 -20.6 260 38 338.7 338.9 295.0 343.1 1.19 34 368 8228 -18.5 -26.5 49 8.0 -20.6 260 38 338.9 339.2 295.1 343.3 1.19 35 365 8289 -19.1 -26.1 54 7.0 -21.0 260 38 338.9 339.2 295.1 343.5 1.25 36 347 8665 -22.3 -34.3 33 12.0 -24.6 260 39 339.5 339.7 294.8 341.8 0.60 37 339 8836 -23.7 -31.7 48 8.0 -25.4 260 40 339.9 340.1 295.0 342.9 0.79 38 330 9033 -25.1 -42.1 19 17.0 -27.5 260 41 340.6 340.7 294.7 341.7 0.29 39 315 9370 -28.3 -30.2 84 1.9 -28.7 260 42 340.7 340.9 295.4 344.4 0.99 40 310 9485 -29.1 -32.2 74 3.1 -29.7 260 43 341.2 341.3 295.3 344.3 0.83 41 306 9578 -29.3 -34.3 62 5.0 -30.2 260 43 342.1 342.3 295.4 344.8 0.68 42 301 9696 -29.3 -52.3 9 23.0 -31.4 260 44 343.8 343.8 295.3 344.2 0.10 43 300 9720 -29.5 -51.5 10 22.0 -31.6 260 44 343.8 343.8 295.3 344.3 0.11 44 299 9744 -29.5 -51.5 10 22.0 -31.6 260 44 344.1 344.2 295.4 344.6 0.11 45 293 9888 -30.7 -50.7 12 20.0 -32.6 261 43 344.4 344.5 295.5 344.9 0.12 46 288 10009 -31.9 -38.9 50 7.0 -32.9 262 42 344.4 344.5 295.8 346.2 0.46 47 277 10282 -33.9 -46.9 26 13.0 -35.2 264 41 345.4 345.4 295.8 346.2 0.20 48 260 10722 -37.7 -44.7 48 7.0 -38.4 268 38 346.1 346.2 296.0 347.2 0.27 49 250 10990 -39.9 -48.9 38 9.0 -40.6 270 36 346.7 346.8 296.1 347.5 0.18 50 209 12184 -50.3 -61.3 26 11.0 -50.6 280 33 348.7 348.7 296.4 348.9 0.05 51 200 12470 -52.1 -72.1 7 20.0 -52.5 280 33 350.3 350.3 296.7 350.3 0.01 52 185 12972 -55.1 -75.1 7 20.0 -55.4 282 34 353.3 353.3 297.4 353.3 0.01 53 150 14280 -65.5 -76.5 20 11.0 -65.6 270 31 357.2 357.2 298.1 357.3 0.01 54 115 15855 -75.7 -82.7 32 7.0 -75.7 251 33 366.5 366.5 299.9 366.5 0.00 55 100 16660 -77.3 -87.3 19 10.0 -77.3 260 23 378.4 378.4 302.0 378.4 0.00 56 88 17384 -82.1 -89.1 29 7.0 -82.1 280 17 382.8 382.8 302.7 382.9 0.00 57 80 17923 -78.1 -88.1 18 10.0 -78.1 287 10 401.7 401.7 305.5 401.7 0.00 58 70 18680 -80.7 -89.7 21 9.0 -80.7 230 11 411.7 411.7 306.7 411.7 0.00 59 68 18844 -81.1 -90.1 20 9.0 -81.1 234 14 414.3 414.3 307.0 414.3 0.00 60 63 19275 -81.1 -90.1 20 9.0 -81.1 272 13 423.5 423.5 308.1 423.5 0.00 61 57 19854 -71.3 -88.3 6 17.0 -71.4 195 16 458.0 458.0 311.6 458.0 0.00 62 50 20640 -66.5 -88.5 3 22.0 -66.7 55 17 486.8 486.8 314.0 486.8 0.00 63 49 20762 -66.7 -89.7 3 23.0 -67.0 38 19 489.1 489.1 314.1 489.1 0.00 64 46 21147 -61.9 -88.9 2 27.0 -62.4 84 19 509.6 509.6 315.6 509.6 0.00 65 40 22015 -59.5 -88.5 1 29.0 -60.3 134 15 536.4 536.4 317.3 536.5 0.00 66 37 22500 -60.9 -88.9 1 28.0 -61.6 98 13 544.9 544.9 317.8 545.0 0.00 67 30 23810 -58.1 -88.1 1 30.0 -59.2 115 15 586.2 586.3 320.0 586.3 0.01 68 20 26420 -49.7 -83.7 1 34.0 -53.2 40 40 684.0 684.1 323.9 684.2 0.02 69 18 27120 -45.1 -82.1 1 37.0 -50.5 45 42 719.5 719.5 325.0 719.7 0.03 70 16 27912 -43.5 -80.5 1 37.0 -50.0 67 33 749.4 749.4 325.9 749.7 0.04 71 15 28344 -46.7 -82.7 1 36.0 -52.1 64 31 752.7 752.7 326.0 752.9 0.03 72 11 30414 -45.3 -82.3 1 37.0 -52.5 64 37 827.6 827.6 327.9 828.0 0.04 73 10 31060 -38.9 -79.9 1 41.0 -49.8 100 23 874.3 874.4 328.9 875.0 0.07 74 8.4 32255 -39.3 -80.3 1 41.0 -50.8 917.5 917.5 329.8 918.3 0.08 75 6.9 33612 -35.9 -78.9 0 43.0 -50.5 984.7 984.7 330.9 986.0 0.12 76 6.5 34025 -38.7 -80.7 0 42.0 -51.9 989.8 989.9 331.0 990.9 0.09 77 5.5 35187 -32.7 -76.7 0 44.0 -50.7 1064.8 1065.0 332.2 1067.4 0.20 78 5.2 35581 -34.3 -77.3 0 43.0 -51.5 1074.9 1075.0 332.3 1077.4 0.20 TRP 88 17384 -82.1 -89.1 29 7.0 -82.1 280 17 382.8 382.8 302.7 382.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5802.00 m Freezing level: 550.71 mb = 5112.08 m = 16771.70 ft Wetbulb zero: 598.06 mb = 4443.84 m = 14579.36 ft Precipitable water: 2.21 inches Sfc-500 mean rel hum: 70.54 % Est. max temperature: 35.03 C = 95.06 F Sfc-Lift cond lev (LCL): 968.50 mb = 359.71 m = 1180.15 ft T: 23.69 C 700-500 lapse rate: 5.09 C/km ThetaE index: 14.59 C Layer 954.0- 862.0 mb Conv cond level (CCL): 936.33 mb = 655.75 m = 2151.38 ft Mean mixing ratio: 17.74 g/kg Conv temperature: 27.44 C = 81.38 F Cap Strength: 2.83 C Lifted Index: -1.55 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.33 C Lifted Index @700 mb: -1.01 C Showalter Index: 0.50 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 18.70 C K Index: 37.00 Risk: > 80 % chance of thunderstorms Sweat Index: 301.71 Risk: Showers and thunderstorms possible Energy Index: -0.87 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 839.17 J/kg Max Up Vert Vel: 40.97 m/s Conv Inhibition (B-): 0.21 J/kg Cap Strength: 2.83 C Lift Cond Lev (LCL): 940.87 mb = 613.55 m = 2012.94 ft Lev Free Conv (LFC): 925.87 mb = 753.83 m = 2473.18 ft Equ Level (EL): 885.87 mb = 1136.66 m = 3729.16 ft B at Equ Level: 10.98 J/kg Max Parcel Lev (MPL): 865.87 mb = 1335.22 m = 4380.59 ft Wind level data Storm motion: 270 at 18 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 1001 69 0 0 -0.0 -0.0 | 90 18 -18.5 0.1 1 1000 78 0 0 -0.0 -0.0 | 90 18 -18.5 0.1 2 974 305 200 5 1.7 4.7 | 106 17 -16.8 4.8 3 941 610 235 15 12.3 8.6 | 144 11 -6.2 8.7 4 925 762 225 17 12.0 12.0 | 152 14 -6.5 12.1 5 909 914 235 15 12.3 8.6 | 144 11 -6.2 8.7 6 878 1219 225 27 19.1 19.1 | 182 19 0.6 19.2 7 850 1496 230 21 16.1 13.5 | 170 14 -2.4 13.6 8 817 1829 230 23 17.6 14.8 | 177 15 -0.9 14.9 9 789 2134 250 21 19.7 7.2 | 190 7 1.3 7.3 10 734 2743 250 23 21.6 7.9 | 202 9 3.1 7.9 11 708 3048 265 23 22.9 2.0 | 245 5 4.4 2.1 12 700 3150 260 25 24.6 4.3 | 234 8 6.1 4.4 13 658 3658 245 25 22.7 10.6 | 201 11 4.2 10.6 14 610 4267 235 27 22.1 15.5 | 193 16 3.6 15.6 15 587 4572 235 29 23.8 16.6 | 198 18 5.3 16.7 16 525 5486 240 38 32.9 19.0 | 217 24 14.4 19.1 17 500 5880 240 33 28.6 16.5 | 211 19 10.1 16.6 18 486 6096 245 35 31.7 14.8 | 222 20 13.2 14.9 19 449 6706 240 31 26.8 15.5 | 208 18 8.4 15.6 20 415 7315 265 33 32.9 2.9 | 258 15 14.4 2.9 21 400 7600 260 35 34.5 6.1 | 249 17 16.0 6.1 22 300 9720 260 44 43.3 7.6 | 253 26 24.9 7.7 23 299 9754 260 44 43.3 7.6 | 253 26 24.9 7.7 24 250 10990 270 36 36.0 -0.0 | 270 18 17.5 0.1 25 209 12192 280 33 32.5 -5.7 | 292 15 14.0 -5.7 26 200 12470 280 33 32.5 -5.7 | 292 15 14.0 -5.7 27 164 13716 285 36 34.8 -9.3 | 300 19 16.3 -9.2 28 150 14280 270 31 31.0 -0.0 | 270 13 12.5 0.1 29 134 14935 255 31 29.9 8.0 | 235 14 11.5 8.1 30 121 15545 270 33 33.0 -0.0 | 270 15 14.5 0.1 31 115 15850 250 33 31.0 11.3 | 228 17 12.5 11.4 32 100 16660 260 23 22.7 4.0 | 226 6 4.2 4.1 33 93 17069 260 23 22.7 4.0 | 226 6 4.2 4.1 34 88 17374 280 17 16.7 -3.0 | 31 3 -1.7 -2.9 35 88 17384 280 17 16.7 -3.0 | 31 3 -1.7 -2.9 36 84 17678 275 15 14.9 -1.3 | 71 4 -3.5 -1.2 37 79 17983 290 9 8.5 -3.1 | 73 10 -10.0 -3.0 38 75 18288 190 21 3.6 20.7 | 144 26 -14.8 20.8 39 70 18680 230 11 8.4 7.1 | 125 12 -10.0 7.1 40 67 18898 235 15 12.3 8.6 | 144 11 -6.2 8.7 41 64 19202 305 15 12.3 -8.6 | 36 11 -6.2 -8.5 42 61 19507 195 9 2.3 8.7 | 118 18 -16.1 8.8 43 58 19812 190 17 3.0 16.7 | 137 23 -15.5 16.8 44 55 20117 215 13 7.5 10.6 | 134 15 -11.0 10.7 45 52 20422 175 9 -0.8 9.0 | 115 21 -19.3 9.0 46 50 20640 55 17 -13.9 -9.8 | 73 34 -32.4 -9.7 47 49 20726 35 19 -10.9 -15.6 | 62 33 -29.4 -15.5 48 47 21031 55 17 -13.9 -9.8 | 73 34 -32.4 -9.7 49 45 21336 125 21 -17.2 12.0 | 109 38 -35.7 12.1 50 43 21641 135 27 -19.1 19.1 | 117 42 -37.6 19.2 51 41 21946 140 15 -9.6 11.5 | 112 30 -28.1 11.6 52 37 22555 95 13 -13.0 1.1 | 92 31 -31.4 1.2 53 35 22860 120 7 -6.1 3.5 | 98 25 -24.5 3.6 54 33 23165 85 15 -14.9 -1.3 | 88 33 -33.4 -1.2 55 32 23470 90 17 -17.0 0.0 | 90 35 -35.5 0.1 56 30 23774 105 19 -18.4 4.9 | 98 37 -36.8 5.0 57 30 23810 115 15 -13.6 6.3 | 101 33 -32.1 6.4 58 29 24079 125 19 -15.6 10.9 | 108 36 -34.0 11.0 59 27 24384 120 11 -9.5 5.5 | 101 29 -28.0 5.6 60 26 24689 85 9 -9.0 -0.8 | 89 27 -27.4 -0.7 61 25 24994 60 11 -9.5 -5.5 | 79 29 -28.0 -5.4 62 24 25298 35 19 -10.9 -15.6 | 62 33 -29.4 -15.5 63 22 25908 55 23 -18.8 -13.2 | 71 40 -37.3 -13.1 64 21 26213 30 31 -15.5 -26.8 | 52 43 -34.0 -26.8 65 20 26420 40 40 -25.7 -30.6 | 55 54 -44.2 -30.6 66 18 27127 45 42 -29.7 -29.7 | 58 57 -48.2 -29.6 67 17 27432 70 36 -33.8 -12.3 | 77 54 -52.3 -12.2 68 14 28956 60 27 -23.4 -13.5 | 72 44 -41.9 -13.4 69 13 29566 40 33 -21.2 -25.3 | 58 47 -39.7 -25.2 70 11 30175 50 42 -32.2 -27.0 | 62 57 -50.6 -26.9 71 10 31060 100 23 -22.7 4.0 | 96 41 -41.1 4.1 Wind Parameters Mean winds (0-6000m): 240.2 at 24.6 knts Storm direction: 270.2 at 18.5 knts Shear (0-3000m) pos: 2.3 neg: 3.6 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 152.0 deg Storm rel helicity (0-3000m) pos: 113.8 neg: -17.7 tot: 96.1 m^2/s^2 ave: 32.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 5.1 10^-3/s Energy-Hel index: 0.53 Bulk Rich Number: 17.31 Bulk Shear: 48.49 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 ------------------------------------------------------------------------------- 500 218 6 108 16| 0.0 14.1 14.1| 53.9 -4.2 49.7 99.4 0.73| 17.7 12.9 1000 228 11 127 13| 0.0 10.9 10.9| 78.6 -7.3 71.3 71.3 0.66| 15.0 10.0 1500 228 15 146 13| 0.1 7.2 7.4| 90.2 -17.7 72.5 48.3 0.50| 13.4 6.8 2000 230 17 154 12| 1.5 5.4 6.9|101.6 -17.7 83.9 42.0 0.49| 12.0 5.9 2500 234 18 160 11| 1.6 4.3 5.9|105.0 -17.7 87.3 34.9 0.50| 10.2 5.1 3000 239 19 167 10| 2.3 3.6 5.9|113.8 -17.7 96.1 32.0 0.53| 9.5 5.1 4000 242 21 178 10| 1.7 3.8 5.5|113.8 -36.4 77.4 19.3 0.33| 8.7 2.9 5000 240 22 185 11| 1.6 3.3 4.9|139.1 -39.1 99.9 20.0 0.35| 7.9 2.8 6000 240 25 193 13| 1.7 2.8 4.4|172.1 -50.3 121.8 20.3 0.35| 7.6 2.6 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250419.12.gif