UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 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 1002 70 24.8 23.8 94 1.0 24.1 0 0 297.8 301.2 297.2 352.5 18.84 1 1000 87 24.6 23.8 95 0.8 24.0 170 3 297.8 301.2 297.2 352.6 18.88 2 932 703 21.4 21.4 100 0.0 21.4 200 14 300.5 303.7 297.0 351.8 17.47 3 925 769 21.0 21.0 100 0.0 21.0 200 15 300.8 303.9 296.9 351.2 17.17 4 878 1221 18.4 18.4 100 0.0 18.4 218 19 302.6 305.4 296.2 348.0 15.35 5 850 1500 18.6 15.8 84 2.8 16.7 220 25 305.6 308.1 295.7 345.8 13.40 6 838 1622 18.2 14.2 77 4.0 15.5 218 25 306.5 308.7 295.1 343.3 12.24 7 822 1788 17.6 16.2 91 1.4 16.7 216 25 307.5 310.2 296.7 350.5 14.24 8 795 2073 17.0 13.2 78 3.8 14.4 227 28 309.8 312.1 295.9 346.7 12.09 9 786 2171 17.6 10.6 64 7.0 13.1 231 29 311.5 313.4 295.0 343.0 10.27 10 785 2182 17.6 10.6 64 7.0 13.1 231 29 311.6 313.5 295.1 343.2 10.28 11 700 3152 11.0 6.9 76 4.1 8.5 250 27 314.7 316.4 295.0 342.6 8.96 12 581 4678 0.4 0.4 100 0.0 0.4 239 24 319.5 320.8 294.6 341.3 6.80 13 500 5870 -5.7 -7.6 86 1.9 -6.6 245 27 326.1 326.9 294.4 340.5 4.32 14 473 6304 -8.1 -9.9 87 1.8 -8.9 246 27 328.3 329.1 294.6 341.2 3.81 15 454 6622 -9.1 -14.1 67 5.0 -11.1 248 28 331.0 331.5 294.5 340.7 2.83 16 400 7590 -16.7 -18.1 89 1.4 -17.1 255 29 333.3 333.8 294.7 341.4 2.30 17 374 8093 -20.3 -21.2 92 0.9 -20.5 253 31 335.0 335.4 294.7 341.7 1.88 18 366 8253 -20.5 -23.9 74 3.4 -21.4 257 34 336.8 337.1 294.8 342.3 1.52 19 358 8417 -20.9 -27.9 53 7.0 -22.6 260 36 338.4 338.6 294.9 342.4 1.08 20 300 9700 -31.1 -35.1 68 4.0 -31.7 260 50 341.5 341.7 295.3 344.0 0.64 21 287 10010 -33.7 -37.1 71 3.4 -34.2 262 51 342.2 342.3 295.4 344.3 0.55 22 284 10084 -34.1 -40.1 55 6.0 -34.8 263 51 342.6 342.7 295.3 344.3 0.41 23 273 10357 -35.9 -38.9 74 3.0 -36.2 265 52 343.9 344.0 295.7 345.8 0.48 24 265 10562 -37.3 -46.3 39 9.0 -38.1 267 53 344.8 344.9 295.7 345.7 0.23 25 261 10667 -38.3 -40.7 78 2.4 -38.5 268 53 344.9 344.9 295.8 346.5 0.42 26 250 10960 -40.1 -44.8 61 4.7 -40.5 270 54 346.4 346.5 296.1 347.6 0.28 27 233 11439 -43.7 -57.7 20 14.0 -44.3 270 56 348.0 348.1 296.3 348.3 0.07 28 220 11823 -47.1 -54.1 45 7.0 -47.4 271 53 348.6 348.6 296.4 349.0 0.11 29 213 12037 -48.3 -60.3 24 12.0 -48.7 273 51 349.9 349.9 296.7 350.2 0.05 30 205 12289 -50.7 -60.7 30 10.0 -51.0 274 48 350.0 350.0 296.7 350.2 0.05 31 202 12385 -51.3 -75.3 4 24.0 -51.7 275 47 350.5 350.5 296.7 350.6 0.01 32 200 12450 -51.7 -73.7 5 22.0 -52.1 275 46 350.9 350.9 296.8 350.9 0.01 33 184 12984 -56.1 -75.1 8 19.0 -56.3 279 46 352.2 352.2 297.1 352.3 0.01 34 158 13933 -63.3 -77.3 13 14.0 -63.4 276 45 355.7 355.7 297.8 355.7 0.01 35 154 14090 -64.3 -68.7 55 4.4 -64.4 276 44 356.6 356.6 298.1 356.7 0.02 36 150 14250 -65.1 -68.5 63 3.4 -65.1 275 44 357.9 357.9 298.3 358.0 0.03 37 149 14291 -65.3 -68.5 64 3.2 -65.3 275 44 358.3 358.3 298.4 358.4 0.03 38 137 14799 -68.9 -80.9 16 12.0 -68.9 275 42 360.6 360.6 298.8 360.6 0.00 39 100 16640 -78.7 -86.7 26 8.0 -78.7 270 9 375.7 375.7 301.5 375.7 0.00 40 86 17491 -82.9 -88.9 35 6.0 -82.9 240 9 383.8 383.8 302.8 383.8 0.00 41 70 18650 -79.7 -88.7 21 9.0 -79.7 210 15 413.9 413.9 307.0 413.9 0.00 42 68 18814 -80.1 -90.1 17 10.0 -80.1 207 14 416.5 416.5 307.3 416.5 0.00 43 51 20500 -65.3 -88.3 3 23.0 -65.6 152 9 486.8 486.8 314.0 486.9 0.00 44 50 20620 -64.9 -88.9 2 24.0 -65.2 205 9 490.5 490.5 314.2 490.6 0.00 45 41 21845 -60.7 -87.7 2 27.0 -61.3 86 14 529.7 529.7 316.9 529.7 0.00 46 30 23810 -56.5 -86.5 1 30.0 -57.9 55 25 590.6 590.6 320.2 590.7 0.01 47 27 24478 -56.3 -86.3 1 30.0 -57.8 68 31 609.2 609.2 321.0 609.3 0.01 48 21 26100 -48.9 -82.9 1 34.0 -52.6 102 37 677.0 677.0 323.7 677.1 0.02 49 20 26420 -48.7 -82.7 1 34.0 -52.6 105 33 687.1 687.1 324.0 687.3 0.02 50 12 29799 -45.9 -81.9 1 36.0 -52.5 72 26 805.1 805.1 327.4 805.5 0.04 51 12 29799 -43.1 -81.1 1 38.0 -51.0 72 26 815.0 815.1 327.6 815.5 0.05 TRP 86 17491 -82.9 -88.9 35 6.0 -82.9 240 9 383.8 383.8 302.8 383.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 575.69 mb = 4755.94 m = 15603.29 ft Wetbulb zero: 576.69 mb = 4736.94 m = 15540.95 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 87.56 % Est. max temperature: 32.43 C = 90.38 F Sfc-Lift cond lev (LCL): 987.96 mb = 193.05 m = 633.37 ft T: 24.05 C 700-500 lapse rate: 6.14 C/km ThetaE index: 9.33 C Layer 932.0- 822.0 mb Conv cond level (CCL): 941.83 mb = 611.61 m = 2006.56 ft Mean mixing ratio: 17.78 g/kg Conv temperature: 27.15 C = 80.87 F Cap Strength: 2.29 C Lifted Index: -3.38 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.70 C Lifted Index @700 mb: -0.09 C Showalter Index: -1.21 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 21.50 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 344.43 Risk: Showers and thunderstorms possible Energy Index: -1.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1038.14 J/kg Max Up Vert Vel: 45.57 m/s Conv Inhibition (B-): 0.29 J/kg Cap Strength: 2.10 C Lift Cond Lev (LCL): 947.73 mb = 556.92 m = 1827.15 ft Lev Free Conv (LFC): 932.73 mb = 696.57 m = 2285.31 ft Equ Level (EL): 852.73 mb = 1472.35 m = 4830.48 ft B at Equ Level: 25.59 J/kg Max Parcel Lev (MPL): 782.73 mb = 2206.22 m = 7238.18 ft Wind level data Storm motion: 266 at 17 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 1002 70 0 0 -0.0 -0.0 | 86 17 -17.4 -1.2 1 1000 87 170 3 -0.5 3.0 | 96 18 -17.9 1.8 2 975 305 190 11 1.9 10.8 | 122 18 -15.5 9.6 3 942 610 200 13 4.4 12.2 | 130 17 -13.0 11.0 4 925 769 200 15 5.1 14.1 | 136 18 -12.3 12.9 5 910 914 215 13 7.5 10.6 | 134 14 -10.0 9.5 6 850 1500 220 25 16.1 19.2 | 176 18 -1.4 18.0 7 818 1829 215 25 14.3 20.5 | 171 20 -3.1 19.3 8 789 2134 230 29 22.2 18.6 | 195 18 4.8 17.5 9 700 3152 250 27 25.4 9.2 | 225 11 7.9 8.0 10 658 3658 250 25 23.5 8.6 | 219 10 6.1 7.4 11 633 3962 255 25 24.1 6.5 | 232 9 6.7 5.3 12 587 4572 240 25 21.7 12.5 | 200 12 4.2 11.3 13 565 4877 235 23 18.8 13.2 | 187 12 1.4 12.0 14 500 5870 245 27 24.5 11.4 | 215 12 7.0 10.2 15 486 6096 245 27 24.5 11.4 | 215 12 7.0 10.2 16 400 7590 255 29 28.0 7.5 | 239 12 10.6 6.3 17 382 7925 250 29 27.3 9.9 | 228 13 9.8 8.7 18 337 8839 270 42 42.0 -0.0 | 273 25 24.6 -1.2 19 310 9449 255 44 42.5 11.4 | 248 27 25.1 10.2 20 300 9700 260 50 49.2 8.7 | 257 33 31.8 7.5 21 250 10960 270 54 54.0 -0.0 | 272 37 36.6 -1.2 22 228 11582 270 56 56.0 -0.0 | 272 39 38.6 -1.2 23 200 12450 275 46 45.8 -4.0 | 280 29 28.4 -5.2 24 180 13106 280 46 45.3 -8.0 | 288 29 27.9 -9.2 25 150 14250 275 44 43.8 -3.8 | 281 27 26.4 -5.0 26 134 14935 275 42 41.8 -3.7 | 281 25 24.4 -4.8 27 120 15545 290 38 35.7 -13.0 | 308 23 18.3 -14.2 28 103 16459 255 19 18.4 4.9 | 194 4 0.9 3.7 29 100 16640 270 9 9.0 -0.0 | 82 9 -8.4 -1.2 30 98 16764 270 9 9.0 -0.0 | 82 9 -8.4 -1.2 31 88 17374 230 11 8.4 7.1 | 123 11 -9.0 5.9 32 86 17491 240 9 7.8 4.5 | 109 10 -9.6 3.3 33 83 17678 240 9 7.8 4.5 | 109 10 -9.6 3.3 34 79 17983 230 13 10.0 8.4 | 134 10 -7.5 7.2 35 75 18288 260 17 16.7 3.0 | 159 2 -0.7 1.8 36 71 18593 250 3 2.8 1.0 | 89 15 -14.6 -0.2 37 70 18650 210 15 7.5 13.0 | 140 15 -9.9 11.8 38 67 18898 205 13 5.5 11.8 | 132 16 -11.9 10.6 39 64 19202 225 17 12.0 12.0 | 153 12 -5.4 10.8 40 60 19507 280 9 8.9 -1.6 | 72 9 -8.6 -2.7 41 57 19812 0 0 -0.0 -0.0 | 86 17 -17.4 -1.2 42 52 20422 115 9 -8.2 3.8 | 96 26 -25.6 2.6 43 50 20620 205 9 3.8 8.2 | 117 15 -13.6 7.0 44 49 20726 160 13 -4.4 12.2 | 117 24 -21.9 11.0 45 47 21031 195 11 2.8 10.6 | 123 17 -14.6 9.4 46 45 21336 65 9 -8.2 -3.8 | 79 26 -25.6 -5.0 47 42 21641 50 13 -10.0 -8.4 | 71 29 -27.4 -9.5 48 40 21946 100 15 -14.8 2.6 | 93 32 -32.2 1.4 49 39 22250 75 17 -16.4 -4.4 | 81 34 -33.8 -5.6 50 37 22555 90 13 -13.0 0.0 | 88 30 -30.4 -1.2 51 35 22860 60 15 -13.0 -7.5 | 74 32 -30.4 -8.7 52 33 23165 95 23 -22.9 2.0 | 91 40 -40.3 0.8 53 32 23470 100 15 -14.8 2.6 | 93 32 -32.2 1.4 54 30 23774 45 13 -9.2 -9.2 | 69 29 -26.6 -10.4 55 30 23810 55 25 -20.5 -14.3 | 68 41 -37.9 -15.5 56 23 25603 90 40 -40.0 0.0 | 89 57 -57.4 -1.2 57 21 26213 105 36 -34.8 9.3 | 99 53 -52.2 8.1 58 20 26420 105 33 -31.9 8.5 | 98 50 -49.3 7.4 59 16 27127 100 29 -28.6 5.0 | 95 46 -46.0 3.9 60 14 27737 65 29 -26.3 -12.3 | 73 46 -43.7 -13.4 61 8 29566 90 19 -19.0 0.0 | 88 36 -36.4 -1.2 62 8 29870 70 21 -19.7 -7.2 | 77 38 -37.2 -8.4 63 7 30175 90 23 -23.0 0.0 | 88 40 -40.4 -1.2 Wind Parameters Mean winds (0-6000m): 236.1 at 23.3 knts Storm direction: 266.1 at 17.5 knts Shear (0-3000m) pos: 3.6 neg: 2.2 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 135.5 deg Storm rel helicity (0-3000m) pos: 180.7 neg: -6.4 tot: 174.3 m^2/s^2 ave: 58.1 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 6.7 10^-3/s Energy-Hel index: 0.95 Bulk Rich Number: 24.63 Bulk Shear: 42.15 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 ------------------------------------------------------------------------------- 500 192 9 117 17| 0.0 13.1 13.1| 64.0 0.0 64.0 128.0 0.98| 14.2 13.9 1000 201 12 126 16| 2.9 6.6 9.4| 84.6 -1.6 83.0 83.0 0.81| 11.5 9.4 1500 210 15 140 15| 4.7 4.4 9.1|116.5 -1.6 114.9 76.6 0.82| 10.8 8.9 2000 213 18 150 16| 4.6 3.3 7.9|146.1 -6.4 139.7 69.9 0.80| 10.0 7.9 2500 219 20 161 15| 4.1 2.6 6.8|167.9 -6.4 161.6 64.6 0.80| 9.2 7.3 3000 224 21 169 14| 3.6 2.2 5.8|180.7 -6.4 174.3 58.1 0.79| 8.5 6.7 4000 232 22 181 12| 2.6 1.6 4.2|186.7 -10.9 175.8 44.0 0.72| 7.1 5.1 5000 235 23 185 12| 2.1 1.8 3.9|190.1 -32.2 157.9 31.6 0.52| 6.7 3.5 6000 236 23 189 12| 2.1 1.5 3.6|205.5 -32.2 173.3 28.9 0.55| 6.0 3.3 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250419.00.gif