UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 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 1004 68 25.4 22.7 85 2.7 23.5 0 0 298.2 301.4 296.5 349.3 17.56 1 1000 103 25.0 22.3 85 2.7 23.0 270 3 298.1 301.3 296.2 348.1 17.19 2 925 785 20.8 20.2 96 0.6 20.4 340 1 300.6 303.6 296.3 348.5 16.32 3 924 794 20.8 20.3 97 0.5 20.5 339 1 300.7 303.7 296.4 348.9 16.44 4 850 1516 18.0 14.6 81 3.4 15.7 15 5 305.0 307.3 294.8 342.0 12.39 5 727 2839 10.0 8.2 89 1.8 8.9 312 10 310.2 312.0 294.1 339.1 9.43 6 700 3154 9.8 3.8 66 6.0 6.3 290 11 313.3 314.7 293.3 335.8 7.20 7 694 3226 9.2 5.8 79 3.4 7.2 290 11 313.4 315.0 294.2 339.5 8.37 8 689 3286 9.8 2.8 62 7.0 5.8 290 11 314.8 316.1 293.3 336.2 6.81 9 567 4878 -0.5 -1.5 93 1.0 -1.0 276 13 320.7 321.9 294.4 340.2 6.06 10 562 4949 0.4 -3.4 76 3.8 -1.6 276 13 322.6 323.6 294.3 339.9 5.30 11 500 5880 -4.9 -11.9 58 7.0 -7.8 325 15 327.1 327.7 293.7 337.5 3.07 12 496 5943 -5.3 -14.3 49 9.0 -8.9 326 14 327.3 327.8 293.3 336.0 2.55 13 457 6581 -10.3 -10.8 96 0.5 -10.5 276 17 328.8 329.6 294.6 341.3 3.68 14 419 7247 -12.5 -15.4 79 2.9 -13.6 260 22 334.3 334.8 295.3 343.9 2.76 15 400 7600 -15.3 -16.8 88 1.5 -15.9 265 27 335.1 335.6 295.3 344.1 2.57 16 340 8807 -24.5 -24.7 98 0.2 -24.5 267 33 338.5 338.8 295.3 344.1 1.52 17 310 9475 -27.9 -30.1 81 2.2 -28.3 251 34 342.8 343.0 295.9 346.6 1.01 18 300 9710 -29.7 -34.4 64 4.7 -30.5 265 42 343.5 343.7 295.8 346.2 0.69 19 285 10073 -31.9 -45.9 24 14.0 -33.4 275 48 345.4 345.5 295.8 346.3 0.22 20 250 10980 -40.3 -49.3 38 9.0 -40.9 275 42 346.2 346.2 295.9 346.9 0.17 21 204 12332 -51.5 -56.5 55 5.0 -51.7 284 54 349.2 349.3 296.5 349.6 0.09 22 200 12460 -52.5 -59.5 43 7.0 -52.7 285 56 349.6 349.6 296.6 349.9 0.06 23 188 12857 -56.0 -63.0 41 7.0 -56.2 290 58 350.2 350.2 296.7 350.4 0.04 24 187 12891 -56.3 -63.3 41 7.0 -56.5 290 58 350.3 350.3 296.7 350.5 0.04 25 182 13063 -57.3 -69.3 20 12.0 -57.5 290 58 351.4 351.4 297.0 351.5 0.02 26 160 13866 -63.5 -69.5 44 6.0 -63.6 280 50 354.1 354.1 297.5 354.2 0.02 27 153 14140 -65.5 -73.5 32 8.0 -65.5 277 47 355.2 355.2 297.7 355.3 0.01 28 150 14260 -65.9 -75.9 24 10.0 -66.0 275 46 356.6 356.6 298.0 356.6 0.01 29 100 16630 -79.1 -86.1 31 7.0 -79.1 260 27 374.9 374.9 301.4 374.9 0.00 30 90 17225 -81.3 -87.3 35 6.0 -81.3 265 29 382.0 382.0 302.6 382.0 0.00 31 83 17683 -78.9 -87.9 22 9.0 -78.9 290 23 395.8 395.8 304.6 395.8 0.00 32 78 18034 -81.5 -89.5 24 8.0 -81.5 287 19 397.5 397.5 304.9 397.5 0.00 33 76 18181 -78.5 -87.5 22 9.0 -78.5 307 18 406.8 406.8 306.1 406.8 0.00 34 70 18650 -78.1 -88.1 18 10.0 -78.1 10 15 417.3 417.3 307.4 417.3 0.00 35 68 18815 -77.9 -87.9 18 10.0 -77.9 17 12 421.2 421.2 307.9 421.2 0.00 36 66 18985 -79.1 -90.1 15 11.0 -79.1 17 9 422.2 422.2 308.0 422.2 0.00 37 63 19251 -75.5 -88.5 11 13.0 -75.6 8 4 435.8 435.8 309.4 435.8 0.00 38 61 19437 -76.5 -90.5 9 14.0 -76.6 2 1 437.6 437.6 309.6 437.6 0.00 39 60 19533 -72.7 -88.7 7 16.0 -72.8 29 2 448.2 448.2 310.7 448.2 0.00 40 52 20390 -63.9 -88.9 2 25.0 -64.3 213 9 487.4 487.4 314.0 487.4 0.00 41 50 20630 -63.7 -88.7 2 25.0 -64.1 175 9 493.4 493.4 314.5 493.4 0.00 42 47 21012 -61.3 -88.3 2 27.0 -61.8 175 9 507.9 507.9 315.5 508.0 0.00 43 35 22862 -56.1 -87.1 1 31.0 -57.3 90 15 566.2 566.2 319.0 566.2 0.01 44 33 23234 -58.1 -87.1 1 29.0 -59.2 84 14 570.5 570.5 319.2 570.5 0.01 45 30 23840 -54.1 -86.1 1 32.0 -55.8 75 19 597.2 597.2 320.5 597.2 0.01 46 22 25852 -48.3 -83.3 1 35.0 -52.1 47 14 669.8 669.8 323.4 670.0 0.02 47 20 26480 -47.1 -82.1 1 35.0 -51.5 50 36 692.0 692.0 324.1 692.2 0.02 48 16 27967 -44.3 -81.3 1 37.0 -50.5 74 30 746.7 746.8 325.8 747.0 0.03 49 13 29356 -45.1 -82.1 1 37.0 -51.7 76 29 789.7 789.7 327.0 790.0 0.04 TRP 90 17225 -81.3 -87.3 35 6.0 -81.3 265 29 382.0 382.0 302.6 382.0 0.00 WND 188 12857 -56.0 -63.0 41 7.0 -56.2 290 58 350.2 350.2 296.7 350.4 0.04 Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 572.92 mb = 4800.72 m = 15750.20 ft Freezing level: 564.22 mb = 4917.53 m = 16133.43 ft Freezing level: 557.32 mb = 5019.39 m = 16467.62 ft Wetbulb zero: 585.58 mb = 4614.62 m = 15139.65 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 80.06 % Est. max temperature: 31.96 C = 89.52 F Sfc-Lift cond lev (LCL): 965.69 mb = 408.46 m = 1340.07 ft T: 23.12 C 700-500 lapse rate: 5.39 C/km ThetaE index: 13.13 C Layer 850.0- 694.0 mb Conv cond level (CCL): 906.37 mb = 960.96 m = 3152.71 ft Mean mixing ratio: 16.59 g/kg Conv temperature: 28.86 C = 83.95 F Cap Strength: 0.70 C Lifted Index: -1.35 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.39 C Lifted Index @700 mb: -0.30 C Showalter Index: 1.06 C Risk: Showers probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 19.50 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 200.20 Risk: None Energy Index: -0.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 391.65 J/kg Max Up Vert Vel: 27.99 m/s Conv Inhibition (B-): 20.19 J/kg Cap Strength: 0.68 C Lift Cond Lev (LCL): 932.53 mb = 714.06 m = 2342.70 ft Lev Free Conv (LFC): 807.53 mb = 1949.65 m = 6396.42 ft Equ Level (EL): 677.53 mb = 3422.87 m = 11229.74 ft B at Equ Level: 48.54 J/kg Max Parcel Lev (MPL): 137.53 mb = 14767.26 m = 48448.42 ft Wind level data Storm motion: 334 at 7 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 | 154 7 -2.9 6.1 1 1000 103 270 3 3.0 -0.0 | 181 6 0.1 6.1 2 977 305 265 3 3.0 0.3 | 181 6 0.1 6.3 3 944 610 320 3 1.9 -2.3 | 166 4 -1.0 3.8 4 925 785 340 1 0.3 -0.9 | 153 6 -2.6 5.1 5 911 914 330 3 1.5 -2.6 | 158 4 -1.4 3.5 6 850 1516 15 5 -1.3 -4.8 | 106 4 -4.2 1.2 7 790 2134 360 7 -0.0 -7.0 | 72 3 -2.9 -0.9 8 700 3154 290 11 10.3 -3.8 | 253 8 7.4 2.3 9 683 3353 290 11 10.3 -3.8 | 253 8 7.4 2.3 10 658 3658 295 7 6.3 -3.0 | 228 5 3.4 3.1 11 634 3962 310 11 8.4 -7.1 | 280 6 5.5 -1.0 12 610 4267 275 13 13.0 -1.1 | 244 11 10.0 4.9 13 588 4572 285 15 14.5 -3.9 | 259 12 11.6 2.2 14 566 4877 275 13 13.0 -1.1 | 244 11 10.0 4.9 15 545 5182 280 13 12.8 -2.3 | 249 11 9.9 3.8 16 525 5486 315 13 9.2 -9.2 | 296 7 6.3 -3.1 17 506 5791 305 13 10.6 -7.5 | 280 8 7.7 -1.4 18 500 5880 325 15 8.6 -12.3 | 317 8 5.7 -6.2 19 486 6096 330 13 6.5 -11.3 | 325 6 3.6 -5.2 20 467 6401 290 15 14.1 -5.1 | 265 11 11.2 0.9 21 449 6706 265 19 18.9 1.7 | 244 18 16.0 7.7 22 432 7010 275 19 18.9 -1.7 | 255 17 16.0 4.4 23 415 7315 255 23 22.2 6.0 | 238 23 19.3 12.0 24 400 7600 265 27 26.9 2.4 | 251 25 24.0 8.4 25 352 8534 275 38 37.9 -3.3 | 265 35 35.0 2.8 26 324 9144 255 27 26.1 7.0 | 241 27 23.2 13.1 27 311 9449 250 33 31.0 11.3 | 238 33 28.1 17.4 28 300 9710 265 42 41.8 3.7 | 256 40 38.9 9.7 29 285 10058 275 48 47.8 -4.2 | 268 45 44.9 1.9 30 250 10980 275 42 41.8 -3.7 | 266 39 38.9 2.4 31 239 11278 275 40 39.8 -3.5 | 266 37 36.9 2.6 32 200 12460 285 56 54.1 -14.5 | 279 52 51.2 -8.4 33 188 12857 290 58 54.5 -19.8 | 285 53 51.6 -13.8 34 181 13106 290 58 54.5 -19.8 | 285 53 51.6 -13.8 35 150 14260 275 46 45.8 -4.0 | 267 43 42.9 2.1 36 127 15240 275 56 55.8 -4.9 | 269 53 52.9 1.2 37 120 15545 290 44 41.3 -15.0 | 283 39 38.4 -9.0 38 100 16630 260 27 26.6 4.7 | 246 26 23.7 10.8 39 98 16764 260 27 26.6 4.7 | 246 26 23.7 10.8 40 90 17225 265 29 28.9 2.5 | 252 27 26.0 8.6 41 88 17374 260 27 26.6 4.7 | 246 26 23.7 10.8 42 83 17678 290 23 21.6 -7.9 | 275 19 18.7 -1.8 43 79 17983 280 19 18.7 -3.3 | 260 16 15.8 2.8 44 70 18650 10 15 -2.6 -14.8 | 32 10 -5.5 -8.7 45 67 18898 20 11 -3.8 -10.3 | 57 8 -6.7 -4.3 46 61 19507 0 0 -0.0 -0.0 | 154 7 -2.9 6.1 47 57 19812 175 11 -1.0 11.0 | 167 17 -3.9 17.0 48 55 20117 260 9 8.9 1.6 | 218 10 6.0 7.6 49 50 20630 175 9 -0.8 9.0 | 166 15 -3.7 15.0 50 47 21031 175 9 -0.8 9.0 | 166 15 -3.7 15.0 51 43 21641 80 9 -8.9 -1.6 | 111 13 -11.8 4.5 52 41 21946 10 9 -1.6 -8.9 | 58 5 -4.5 -2.8 53 39 22250 25 15 -6.3 -13.6 | 51 12 -9.2 -7.5 54 37 22555 45 11 -7.8 -7.8 | 81 11 -10.7 -1.7 55 35 22860 90 15 -15.0 0.0 | 109 19 -17.9 6.1 56 32 23470 80 13 -12.8 -2.3 | 104 16 -15.7 3.8 57 30 23774 145 3 -1.7 2.5 | 152 10 -4.6 8.5 58 30 23840 75 19 -18.4 -4.9 | 93 21 -21.3 1.2 59 29 24079 80 9 -8.9 -1.6 | 111 13 -11.8 4.5 60 28 24384 80 25 -24.6 -4.3 | 94 28 -27.5 1.7 61 25 24994 120 15 -13.0 7.5 | 130 21 -15.9 13.6 62 24 25298 60 1 -0.9 -0.5 | 146 7 -3.8 5.6 63 23 25603 60 9 -7.8 -4.5 | 98 11 -10.7 1.6 64 22 25908 45 15 -10.6 -10.6 | 71 14 -13.5 -4.5 65 21 26213 90 19 -19.0 0.0 | 105 23 -21.9 6.1 66 20 26480 50 36 -27.6 -23.1 | 61 35 -30.5 -17.1 67 20 26518 50 23 -17.6 -14.8 | 67 22 -20.5 -8.7 68 18 26822 50 36 -27.6 -23.1 | 61 35 -30.5 -17.1 69 15 27432 80 29 -28.6 -5.0 | 92 31 -31.5 1.0 70 14 27737 70 33 -31.0 -11.3 | 81 34 -33.9 -5.2 71 12 28346 80 25 -24.6 -4.3 | 94 28 -27.5 1.7 72 10 28956 50 35 -26.8 -22.5 | 61 34 -29.7 -16.4 73 9 29261 65 33 -29.9 -13.9 | 77 34 -32.8 -7.9 Wind Parameters Mean winds (0-6000m): 304.4 at 9.0 knts Storm direction: 334.4 at 6.7 knts Shear (0-3000m) pos: 0.8 neg: 2.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 103.6 deg Storm rel helicity (0-3000m) pos: 5.0 neg: -13.5 tot: -8.4 m^2/s^2 ave: -2.8 10^-3 m/s^2 rel: -0.45 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 70.37 Bulk Shear: 5.57 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 ------------------------------------------------------------------------------- 500 279 3 180 6| 0.0 3.1 3.1| 4.9 -1.1 3.8 7.6 0.38| 5.8 2.2 1000 303 3 172 5| 0.9 1.5 2.4| 5.0 -3.0 2.0 2.0 0.04| 5.3 0.2 1500 333 3 156 3| 1.6 1.0 2.6| 5.0 -5.4 -0.4 -0.3 -0.16| 4.5 -0.7 2000 348 4 137 3| 1.2 1.3 2.5| 5.0 -7.1 -2.1 -1.0 -0.25| 3.9 -1.0 2500 347 5 129 2| 0.9 1.9 2.8| 5.0 -9.3 -4.3 -1.7 -0.40| 4.1 -1.7 3000 334 6 155 1| 0.8 2.3 3.0| 5.0 -13.5 -8.4 -2.8 -0.45| 4.5 -2.0 4000 318 7 234 2| 0.7 1.4 2.1| 10.6 -21.2 -10.6 -2.6 -0.32| 4.9 -1.6 5000 303 8 247 4| 0.5 1.4 2.0| 21.4 -38.7 -17.3 -3.5 -0.30| 5.1 -1.6 6000 304 9 258 5| 1.4 1.2 2.6| 49.6 -41.6 8.0 1.3 -0.06| 5.7 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250501.12.gif