UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 22 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 27.0 23.5 81 3.5 24.5 0 0 300.1 303.4 297.5 354.4 18.51 1 1000 78 27.0 23.6 82 3.4 24.5 250 1 300.1 303.6 297.7 354.9 18.65 2 939 632 21.8 21.6 99 0.2 21.7 221 16 300.3 303.5 297.0 351.8 17.56 3 925 763 21.2 20.5 96 0.7 20.7 225 19 301.0 304.0 296.6 349.9 16.63 4 902 981 19.6 19.2 98 0.4 19.4 230 23 301.5 304.4 296.1 347.8 15.71 5 874 1255 24.0 3.0 25 21.0 12.0 231 28 308.8 309.8 290.5 325.6 5.43 6 863 1366 24.4 2.4 24 22.0 11.9 233 26 310.4 311.4 290.8 326.8 5.27 7 850 1499 23.4 9.4 41 14.0 14.5 235 23 310.7 312.3 293.7 337.5 8.74 8 845 1550 22.8 11.8 50 11.0 15.5 237 23 310.6 312.5 294.8 342.2 10.34 9 804 1981 19.0 11.0 60 8.0 13.8 245 23 311.0 312.9 295.0 342.6 10.31 10 729 2815 13.0 7.0 67 6.0 9.3 253 21 313.2 314.9 294.3 340.1 8.66 11 700 3156 11.4 -0.6 43 12.0 4.9 245 23 315.1 316.1 292.2 331.7 5.23 12 693 3240 11.2 -3.8 35 15.0 3.6 244 24 315.8 316.6 291.5 329.2 4.17 13 689 3288 11.6 -17.4 11 29.0 0.4 244 25 316.8 317.0 289.2 321.5 1.41 14 674 3471 10.0 -7.0 29 17.0 1.9 242 28 317.0 317.6 291.1 327.9 3.35 15 625 4092 5.4 -20.6 13 26.0 -3.7 237 28 318.6 318.9 289.6 322.7 1.19 16 601 4411 3.2 -9.8 38 13.0 -2.6 235 28 319.7 320.3 291.6 329.6 3.02 17 600 4424 3.0 -10.0 38 13.0 -2.7 235 28 319.6 320.2 291.6 329.4 2.98 18 591 4546 2.6 -23.4 13 26.0 -5.8 235 29 320.5 320.7 289.9 323.9 0.98 19 567 4880 0.8 -26.2 11 27.0 -7.3 236 30 322.2 322.4 290.3 325.0 0.79 20 500 5880 -4.5 -30.5 11 26.0 -11.3 240 35 327.6 327.7 291.6 329.8 0.60 21 488 6071 -5.1 -34.1 8 29.0 -12.1 244 36 329.1 329.2 291.9 330.7 0.44 22 475 6284 -5.9 -32.9 10 27.0 -12.6 247 36 330.7 330.8 292.4 332.5 0.50 23 472 6333 -6.3 -16.3 45 10.0 -10.1 247 37 330.8 331.2 294.0 338.7 2.27 24 464 6467 -7.5 -16.5 48 9.0 -10.9 249 37 330.9 331.3 294.0 338.8 2.27 25 420 7238 -11.7 -31.7 17 20.0 -16.6 256 39 335.1 335.2 293.7 337.5 0.64 26 410 7422 -13.1 -25.1 36 12.0 -16.6 258 39 335.6 335.8 294.3 340.0 1.21 27 400 7610 -14.1 -28.1 30 14.0 -17.8 260 40 336.7 336.9 294.4 340.2 0.95 28 372 8154 -17.9 -31.9 28 14.0 -21.0 268 40 338.7 338.8 294.7 341.4 0.71 29 365 8296 -18.3 -56.3 2 38.0 -22.7 269 39 340.0 340.0 294.4 340.2 0.05 30 300 9720 -30.1 -64.1 2 34.0 -32.3 270 27 343.0 343.0 295.0 343.1 0.02 31 298 9768 -30.5 -64.5 2 34.0 -32.6 269 27 343.0 343.1 295.1 343.1 0.02 32 269 10491 -34.5 -48.5 23 14.0 -35.8 272 27 347.4 347.5 296.2 348.1 0.17 33 267 10544 -34.9 -43.9 39 9.0 -35.9 273 27 347.6 347.6 296.4 348.8 0.29 34 250 11000 -39.1 -48.1 38 9.0 -39.8 280 25 347.9 348.0 296.4 348.7 0.20 35 246 11110 -40.1 -49.1 38 9.0 -40.8 282 24 348.1 348.1 296.4 348.8 0.18 36 241 11249 -40.7 -65.7 5 25.0 -41.7 284 23 349.2 349.2 296.5 349.3 0.02 37 224 11741 -44.9 -63.9 10 19.0 -45.6 285 21 350.1 350.1 296.7 350.3 0.03 38 209 12201 -46.9 -73.9 3 27.0 -47.6 270 21 354.0 354.0 297.5 354.1 0.01 39 207 12264 -47.5 -72.5 4 25.0 -48.1 268 21 354.1 354.1 297.5 354.1 0.01 40 200 12490 -49.7 -73.7 4 24.0 -50.2 260 21 354.1 354.1 297.5 354.1 0.01 41 150 14310 -63.5 -80.5 8 17.0 -63.6 290 15 360.7 360.7 298.8 360.7 0.00 42 137 14862 -67.7 -81.7 12 14.0 -67.8 285 14 362.7 362.7 299.2 362.8 0.00 43 125 15407 -72.7 -83.7 17 11.0 -72.8 283 11 363.3 363.3 299.4 363.3 0.00 44 100 16690 -81.3 -86.3 42 5.0 -81.3 20 9 370.6 370.6 300.7 370.7 0.00 45 96 16920 -82.5 -87.5 42 5.0 -82.5 105 3 372.7 372.7 301.0 372.7 0.00 46 83 17741 -79.5 -88.5 21 9.0 -79.5 282 9 394.6 394.6 304.5 394.6 0.00 47 75 18316 -80.9 -89.9 21 9.0 -80.9 309 10 403.3 403.3 305.6 403.3 0.00 48 72 18549 -77.7 -88.7 15 11.0 -77.7 17 14 414.8 414.8 307.1 414.8 0.00 49 70 18710 -78.3 -89.3 15 11.0 -78.3 60 11 416.9 416.9 307.3 416.9 0.00 50 64 19217 -80.5 -90.5 17 10.0 -80.5 74 9 422.9 422.9 308.0 422.9 0.00 51 60 19587 -73.5 -88.5 8 15.0 -73.6 128 10 446.4 446.4 310.5 446.4 0.00 52 50 20670 -66.5 -89.5 3 23.0 -66.8 190 5 486.8 486.8 314.0 486.8 0.00 53 43 21588 -62.5 -89.5 1 27.0 -63.0 91 5 518.1 518.1 316.2 518.1 0.00 54 30 23830 -57.3 -86.3 1 29.0 -58.5 65 13 588.4 588.4 320.0 588.5 0.01 55 28 24267 -56.3 -86.3 1 30.0 -57.8 51 10 602.9 602.9 320.7 603.0 0.01 56 22 25818 -50.3 -83.3 1 33.0 -53.5 63 9 663.9 663.9 323.2 664.0 0.02 57 20 26440 -50.3 -83.3 1 33.0 -53.7 80 11 682.2 682.2 323.9 682.4 0.02 58 18 27129 -49.5 -82.5 1 33.0 -53.4 46 15 705.6 705.6 324.6 705.8 0.02 59 18 27129 -49.7 -83.7 1 34.0 -53.5 46 15 705.0 705.0 324.6 705.1 0.02 60 17 27508 -44.1 -81.1 1 37.0 -50.1 63 18 734.6 734.6 325.5 734.8 0.03 61 15 28350 -43.1 -80.1 1 37.0 -50.1 34 19 764.6 764.7 326.3 765.0 0.04 62 12 29845 -45.9 -80.9 1 35.0 -52.5 89 19 805.1 805.1 327.4 805.6 0.05 63 10 31090 -34.1 -77.1 0 43.0 -47.8 100 21 892.3 892.3 329.3 893.4 0.11 64 9.1 31760 -27.1 -73.1 0 46.0 -45.8 943.5 943.6 330.2 946.0 0.21 65 8.2 32504 -31.5 -75.5 0 44.0 -47.9 954.6 954.7 330.5 956.5 0.17 66 6.9 33723 -32.5 -76.5 0 44.0 -49.3 998.8 998.9 331.2 1000.8 0.17 TRP 96 16920 -82.5 -87.5 42 5.0 -82.5 105 3 372.7 372.7 301.0 372.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5802.00 m Freezing level: 556.89 mb = 5031.22 m = 16506.42 ft Wetbulb zero: 657.32 mb = 3677.43 m = 12064.92 ft Precipitable water: 1.60 inches Sfc-500 mean rel hum: 42.87 % Est. max temperature: 37.57 C = 99.63 F Sfc-Lift cond lev (LCL): 951.81 mb = 512.77 m = 1682.29 ft T: 22.92 C 700-500 lapse rate: 5.84 C/km ThetaE index: 29.25 C Layer 939.0- 863.0 mb Conv cond level (CCL): 929.16 mb = 723.93 m = 2375.06 ft Mean mixing ratio: 17.47 g/kg Conv temperature: 27.72 C = 81.90 F Cap Strength: 5.69 C Lifted Index: -2.23 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.76 C Lifted Index @700 mb: 0.31 C Showalter Index: 3.33 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 27.90 C Cross Totals Index: 13.90 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 229.69 Risk: None Energy Index: -1.36 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 538.63 J/kg Max Up Vert Vel: 32.82 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 5.67 C Lift Cond Lev (LCL): 932.75 mb = 690.32 m = 2264.79 ft Lev Free Conv (LFC): 927.75 mb = 737.16 m = 2418.47 ft Equ Level (EL): 897.75 mb = 1022.03 m = 3353.08 ft B at Equ Level: 7.67 J/kg Max Parcel Lev (MPL): 877.75 mb = 1217.93 m = 3995.78 ft Wind level data Storm motion: 269 at 19 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 | 89 19 -18.9 -0.4 1 1000 78 250 1 0.9 0.3 | 90 18 -17.9 -0.0 2 975 305 215 5 2.9 4.1 | 103 16 -16.0 3.7 3 941 610 220 15 9.6 11.5 | 140 14 -9.2 11.1 4 925 763 225 19 13.4 13.4 | 157 14 -5.4 13.1 5 909 914 230 21 16.1 13.5 | 168 13 -2.8 13.1 6 878 1219 230 29 22.2 18.6 | 190 19 3.4 18.3 7 850 1499 235 23 18.8 13.2 | 180 13 -0.0 12.8 8 818 1829 245 23 20.8 9.7 | 192 10 2.0 9.4 9 789 2134 245 23 20.8 9.7 | 192 10 2.0 9.4 10 735 2743 255 21 20.3 5.4 | 196 5 1.4 5.1 11 700 3156 245 23 20.8 9.7 | 192 10 2.0 9.4 12 658 3658 240 31 26.8 15.5 | 208 17 8.0 15.1 13 610 4267 235 27 22.1 15.5 | 192 15 3.3 15.1 14 588 4572 235 29 23.8 16.6 | 197 17 4.9 16.3 15 500 5880 240 35 30.3 17.5 | 214 21 11.5 17.1 16 486 6096 245 36 32.6 15.2 | 223 20 13.8 14.8 17 400 7610 260 40 39.4 6.9 | 252 22 20.5 6.6 18 399 7620 265 42 41.8 3.7 | 262 23 23.0 3.3 19 311 9449 275 35 34.9 -3.1 | 282 16 16.0 -3.4 20 300 9720 270 27 27.0 -0.0 | 273 8 8.1 -0.4 21 286 10058 265 29 28.9 2.5 | 258 10 10.0 2.2 22 250 11000 280 25 24.6 -4.3 | 309 7 5.8 -4.7 23 229 11582 290 21 19.7 -7.2 | 353 8 0.9 -7.6 24 200 12490 260 21 20.7 3.6 | 209 4 1.8 3.3 25 200 12497 260 21 20.7 3.6 | 209 4 1.8 3.3 26 173 13411 285 19 18.4 -4.9 | 5 5 -0.5 -5.3 27 157 14021 270 17 17.0 -0.0 | 79 2 -1.9 -0.4 28 150 14310 290 15 14.1 -5.1 | 41 7 -4.8 -5.5 29 142 14630 290 15 14.1 -5.1 | 41 7 -4.8 -5.5 30 128 15240 275 11 11.0 -1.0 | 80 8 -7.9 -1.3 31 115 15850 310 13 10.0 -8.4 | 46 12 -8.9 -8.7 32 110 16154 290 9 8.5 -3.1 | 72 11 -10.4 -3.4 33 100 16690 20 9 -3.1 -8.5 | 68 24 -21.9 -8.8 34 96 16920 105 3 -2.9 0.8 | 91 22 -21.8 0.4 35 94 17069 20 9 -3.1 -8.5 | 68 24 -21.9 -8.8 36 89 17374 195 9 2.3 8.7 | 117 19 -16.5 8.3 37 84 17678 280 9 8.9 -1.6 | 79 10 -10.0 -1.9 38 75 18288 300 9 7.8 -4.5 | 66 12 -11.1 -4.9 39 71 18593 30 15 -7.5 -13.0 | 63 30 -26.4 -13.4 40 70 18710 60 11 -9.5 -5.5 | 78 29 -28.4 -5.9 41 68 18898 40 17 -10.9 -13.0 | 66 33 -29.8 -13.4 42 64 19202 70 9 -8.5 -3.1 | 83 28 -27.3 -3.4 43 61 19507 115 9 -8.2 3.8 | 97 27 -27.0 3.4 44 58 19812 155 11 -4.6 10.0 | 112 25 -23.5 9.6 45 55 20117 165 11 -2.8 10.6 | 115 24 -21.7 10.3 46 52 20422 165 13 -3.4 12.6 | 119 25 -22.2 12.2 47 50 20670 190 5 0.9 4.9 | 104 19 -18.0 4.6 48 45 21336 130 1 -0.8 0.6 | 91 20 -19.6 0.3 49 41 21946 40 9 -5.8 -6.9 | 74 26 -24.6 -7.3 50 39 22250 80 13 -12.8 -2.3 | 85 32 -31.7 -2.6 51 35 22860 60 15 -13.0 -7.5 | 76 33 -31.8 -7.9 52 32 23470 85 11 -11.0 -1.0 | 87 30 -29.8 -1.3 53 30 23774 50 9 -6.9 -5.8 | 77 26 -25.8 -6.2 54 30 23830 65 13 -11.8 -5.5 | 79 31 -30.6 -5.9 55 29 24079 70 13 -12.2 -4.4 | 81 31 -31.1 -4.8 56 28 24384 40 9 -5.8 -6.9 | 74 26 -24.6 -7.3 57 24 25298 120 15 -13.0 7.5 | 103 33 -31.8 7.1 58 23 25603 125 9 -7.4 5.2 | 100 27 -26.2 4.8 59 22 25908 40 9 -5.8 -6.9 | 74 26 -24.6 -7.3 60 21 26213 45 11 -7.8 -7.8 | 73 28 -26.6 -8.1 61 20 26440 80 11 -10.8 -1.9 | 86 30 -29.7 -2.3 62 20 26518 30 11 -5.5 -9.5 | 68 26 -24.4 -9.9 63 19 26822 90 11 -11.0 0.0 | 89 30 -29.9 -0.4 64 18 27127 45 15 -10.6 -10.6 | 70 31 -29.5 -11.0 65 17 27432 65 19 -17.2 -8.0 | 77 37 -36.1 -8.4 66 16 28042 50 13 -10.0 -8.4 | 73 30 -28.8 -8.7 67 14 28651 20 25 -8.6 -23.5 | 49 36 -27.4 -23.9 68 14 28956 25 21 -8.9 -19.0 | 55 34 -27.7 -19.4 69 13 29261 60 19 -16.5 -9.5 | 74 37 -35.3 -9.9 70 13 29566 45 17 -12.0 -12.0 | 68 33 -30.9 -12.4 71 12 29870 90 19 -19.0 0.0 | 89 38 -37.9 -0.4 72 11 30175 80 23 -22.7 -4.0 | 84 42 -41.5 -4.4 73 10 31090 100 21 -20.7 3.6 | 95 40 -39.5 3.3 Wind Parameters Mean winds (0-6000m): 238.9 at 25.2 knts Storm direction: 268.9 at 18.9 knts Shear (0-3000m) pos: 2.1 neg: 2.7 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 104.1 deg Storm rel helicity (0-3000m) pos: 112.5 neg: -8.8 tot: 103.7 m^2/s^2 ave: 34.6 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 4.6 10^-3/s Energy-Hel index: 0.38 Bulk Rich Number: 10.87 Bulk Shear: 49.56 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 6 107 16| 0.0 14.1 14.1| 52.1 0.0 52.1 104.3 0.90| 14.4 13.0 1000 225 13 132 13| 6.1 7.0 13.2| 95.3 0.0 95.3 95.3 0.92| 13.5 12.4 1500 228 17 152 13| 3.7 4.7 8.4|106.2 -8.1 98.0 65.3 0.70| 12.0 8.4 2000 233 19 160 12| 3.1 3.5 6.7|111.4 -8.1 103.3 51.7 0.69| 9.8 6.8 2500 236 19 166 11| 2.6 2.8 5.4|112.4 -8.1 104.2 41.7 0.65| 8.5 5.5 3000 239 20 170 10| 2.1 2.7 4.8|112.5 -8.8 103.7 34.6 0.58| 7.8 4.6 4000 240 22 180 11| 1.6 2.9 4.5|123.1 -21.5 101.6 25.4 0.46| 7.4 3.4 5000 239 23 185 12| 1.5 2.4 4.0|138.6 -27.5 111.1 22.2 0.45| 6.6 3.0 6000 239 25 192 13| 1.8 2.0 3.8|171.3 -27.5 143.8 24.0 0.50| 6.1 3.0 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250422.12.gif