UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 27 OCT 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 1009 69 24.2 16.2 61 8.0 18.9 5 1 296.6 298.7 291.7 330.0 11.55 1 1000 147 23.6 15.6 61 8.0 18.3 20 5 296.8 298.8 291.5 329.2 11.21 2 929 785 18.2 15.0 82 3.2 16.1 64 17 297.6 299.7 292.0 331.2 11.62 3 925 822 18.2 14.7 80 3.5 15.9 65 17 297.9 300.0 292.0 331.2 11.44 4 874 1307 15.0 13.2 89 1.8 13.8 63 16 299.5 301.5 292.2 331.6 10.98 5 850 1543 14.6 11.8 83 2.8 12.9 45 15 301.4 303.3 292.2 331.8 10.28 6 849 1553 14.4 11.6 83 2.8 12.6 46 15 301.3 303.2 292.1 331.3 10.16 7 841 1633 15.8 10.8 72 5.0 12.7 50 14 303.6 305.4 292.4 332.6 9.72 8 796 2099 12.4 11.8 96 0.6 12.0 99 6 304.8 306.8 293.7 337.7 10.99 9 783 2238 13.2 12.8 97 0.4 13.0 123 4 307.1 309.3 295.1 343.1 11.95 10 700 3177 9.0 9.0 100 0.0 9.0 245 7 312.5 314.4 295.4 344.4 10.36 11 680 3417 7.8 7.8 100 0.0 7.8 262 8 313.7 315.6 295.3 344.2 9.82 12 533 5393 -2.5 -3.5 93 1.0 -3.0 254 11 324.0 325.1 294.8 342.2 5.55 13 510 5743 -4.1 -7.2 79 3.1 -5.5 262 14 326.2 327.1 294.5 340.7 4.37 14 503 5853 -4.1 -19.1 30 15.0 -9.4 264 15 327.5 327.8 292.6 333.3 1.68 15 500 5900 -4.5 -19.5 30 15.0 -9.7 265 15 327.6 327.9 292.6 333.3 1.63 16 460 6551 -9.1 -17.1 52 8.0 -12.0 253 18 329.7 330.2 293.6 337.3 2.18 17 451 6704 -10.1 -11.4 90 1.3 -10.6 257 20 330.3 331.0 294.9 342.4 3.55 18 416 7322 -14.5 -14.7 98 0.2 -14.6 247 26 332.4 333.0 294.9 342.6 2.94 19 414 7358 -14.7 -15.0 98 0.3 -14.8 245 26 332.6 333.2 295.0 342.6 2.88 20 408 7469 -13.3 -18.3 66 5.0 -15.0 239 27 335.8 336.2 295.2 343.7 2.22 21 400 7620 -14.3 -19.1 67 4.8 -15.9 230 29 336.4 336.8 295.3 343.9 2.11 22 399 7639 -14.5 -19.2 67 4.7 -16.1 231 31 336.4 336.8 295.3 343.9 2.10 23 397 7677 -13.9 -25.9 36 12.0 -17.3 233 31 337.6 337.9 294.8 341.9 1.17 24 393 7754 -14.1 -29.1 27 15.0 -18.0 236 30 338.4 338.5 294.7 341.6 0.88 25 392 7773 -14.1 -28.1 30 14.0 -17.8 237 30 338.6 338.8 294.8 342.2 0.96 26 372 8167 -17.5 -24.5 54 7.0 -19.5 256 27 339.2 339.5 295.4 344.4 1.41 27 328 9096 -24.7 -29.2 66 4.5 -25.7 244 32 341.7 342.0 295.7 345.6 1.04 28 316 9366 -25.9 -41.9 21 16.0 -28.2 250 34 343.7 343.8 295.5 345.0 0.30 29 306 9598 -27.5 -46.5 15 19.0 -29.7 256 35 344.7 344.7 295.6 345.5 0.19 30 300 9740 -28.7 -44.7 20 16.0 -30.7 260 36 344.9 345.0 295.7 345.9 0.24 31 287 10056 -31.1 -44.1 27 13.0 -32.6 265 40 345.9 346.0 296.0 347.0 0.27 32 277 10306 -33.7 -37.7 67 4.0 -34.3 262 41 345.7 345.8 296.1 347.8 0.54 33 260 10749 -36.3 -50.3 22 14.0 -37.4 257 43 348.2 348.2 296.4 348.8 0.15 34 250 11020 -38.5 -53.5 19 15.0 -39.5 260 48 348.8 348.8 296.5 349.3 0.10 35 249 11048 -38.7 -53.7 19 15.0 -39.7 260 48 348.9 349.0 296.5 349.4 0.10 36 203 12413 -50.7 -62.7 23 12.0 -51.0 269 50 351.0 351.0 296.9 351.2 0.04 37 200 12510 -51.5 -66.5 15 15.0 -51.8 270 44 351.2 351.2 296.9 351.3 0.02 38 153 14190 -64.3 -77.3 15 13.0 -64.4 262 37 357.3 357.3 298.2 357.3 0.01 39 150 14310 -65.3 -77.3 17 12.0 -65.4 260 36 357.6 357.6 298.2 357.6 0.01 40 127 15304 -73.5 -82.5 24 9.0 -73.5 269 34 360.2 360.2 298.7 360.2 0.00 41 110 16131 -79.7 -86.7 30 7.0 -79.7 256 27 363.7 363.7 299.4 363.7 0.00 42 100 16670 -80.9 -87.9 30 7.0 -80.9 230 33 371.4 371.4 300.8 371.4 0.00 43 98 16784 -81.7 -88.7 29 7.0 -81.7 230 33 372.0 372.0 300.9 372.0 0.00 44 90 17264 -79.7 -86.7 30 7.0 -79.7 227 28 385.2 385.2 303.1 385.2 0.00 45 80 17925 -82.9 -88.9 35 6.0 -82.9 227 12 391.8 391.8 304.0 391.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 568.68 mb = 4913.75 m = 16121.02 ft Wetbulb zero: 574.05 mb = 4791.42 m = 15719.70 ft Precipitable water: 2.08 inches Sfc-500 mean rel hum: 89.08 % Est. max temperature: 28.31 C = 82.96 F Sfc-Lift cond lev (LCL): 897.29 mb = 1081.88 m = 3549.42 ft T: 16.48 C 700-500 lapse rate: 4.96 C/km ThetaE index: 0.79 C Layer 1000.0- 929.0 mb Conv cond level (CCL): 745.71 mb = 2646.97 m = 8684.18 ft Mean mixing ratio: 11.41 g/kg Conv temperature: 37.07 C = 98.72 F Cap Strength: 6.66 C Lifted Index: 6.55 C Risk: None Lifted Index @300 mb: 11.36 C Lifted Index @700 mb: 4.53 C Showalter Index: 5.91 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 19.10 C Cross Totals Index: 16.30 C K Index: 30.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 186.60 Risk: None Energy Index: 0.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.90 J/kg Max Up Vert Vel: 3.13 m/s Conv Inhibition (B-): 7774.11 J/kg Cap Strength: 6.37 C Lift Cond Lev (LCL): 885.75 mb = 1192.51 m = 3912.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 8 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 1009 69 5 1 -0.1 -1.0 | 139 7 -4.7 5.3 1 1000 147 20 5 -1.7 -4.7 | 104 6 -6.3 1.6 2 982 305 15 9 -2.3 -8.7 | 71 7 -6.9 -2.4 3 948 610 60 15 -13.0 -7.5 | 86 18 -17.6 -1.2 4 925 822 65 17 -15.4 -7.2 | 87 20 -20.0 -0.9 5 915 914 70 17 -16.0 -5.8 | 91 21 -20.5 0.5 6 883 1219 70 17 -16.0 -5.8 | 91 21 -20.5 0.5 7 850 1543 45 15 -10.6 -10.6 | 74 16 -15.2 -4.3 8 822 1829 60 11 -9.5 -5.5 | 93 14 -14.1 0.8 9 792 2134 105 5 -4.8 1.3 | 129 12 -9.4 7.6 10 764 2438 160 3 -1.0 2.8 | 148 11 -5.6 9.1 11 700 3177 245 7 6.3 3.0 | 191 9 1.8 9.2 12 660 3658 280 9 8.9 -1.6 | 222 6 4.3 4.7 13 589 4572 270 7 7.0 -0.0 | 201 7 2.4 6.3 14 567 4877 230 19 14.6 12.2 | 208 21 10.0 18.5 15 546 5182 250 9 8.5 3.1 | 203 10 3.9 9.4 16 500 5900 265 15 14.9 1.3 | 234 13 10.4 7.6 17 487 6096 265 17 16.9 1.5 | 238 15 12.4 7.8 18 469 6401 250 17 16.0 5.8 | 223 17 11.4 12.1 19 433 7010 265 23 22.9 2.0 | 246 20 18.3 8.3 20 400 7620 230 29 22.2 18.6 | 215 31 17.7 24.9 21 400 7620 230 31 23.7 19.9 | 216 32 19.2 26.2 22 368 8230 260 27 26.6 4.7 | 244 25 22.0 11.0 23 353 8534 230 29 22.2 18.6 | 215 31 17.7 24.9 24 300 9740 260 36 35.5 6.3 | 248 33 30.9 12.5 25 287 10058 265 40 39.8 3.5 | 255 37 35.3 9.8 26 252 10973 255 44 42.5 11.4 | 245 42 37.9 17.7 27 250 11020 260 48 47.3 8.3 | 251 45 42.7 14.6 28 200 12497 270 50 50.0 -0.0 | 262 46 45.4 6.3 29 200 12510 270 44 44.0 -0.0 | 261 40 39.4 6.3 30 173 13411 275 40 39.8 -3.5 | 265 35 35.3 2.8 31 150 14310 260 36 35.5 6.3 | 248 33 30.9 12.5 32 150 14326 255 38 36.7 9.8 | 243 36 32.1 16.1 33 135 14935 275 36 35.9 -3.1 | 264 31 31.3 3.1 34 104 16459 250 25 23.5 8.6 | 232 24 18.9 14.8 35 100 16670 230 33 25.3 21.2 | 217 34 20.7 27.5 36 93 17069 230 33 25.3 21.2 | 217 34 20.7 27.5 37 83 17678 220 15 9.6 11.5 | 196 18 5.1 17.8 38 79 17983 230 11 8.4 7.1 | 196 14 3.9 13.3 39 74 18288 260 9 8.9 1.6 | 209 9 4.3 7.8 Wind Parameters Mean winds (0-6000m): 294.0 at 10.3 knts Storm direction: 324.0 at 7.8 knts Shear (0-3000m) pos: 1.6 neg: 1.2 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 44.4 deg Storm rel helicity (0-3000m) pos: 102.4 neg: -38.3 tot: 64.1 m^2/s^2 ave: 21.4 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 27.84 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 32 9 83 9| 14.0 0.0 14.0| 9.4 -14.1 -4.7 -9.5 -0.32| 17.7 -5.6 1000 55 13 86 15| 8.5 0.0 8.5| 23.5 -14.1 9.4 9.4 -0.12| 11.7 -1.3 1500 58 14 86 16| 5.7 2.4 8.1| 23.5 -38.3 -14.8 -9.9 -0.25| 10.2 -2.6 2000 58 13 88 16| 3.3 1.8 5.1| 66.3 -38.3 28.0 14.0 0.09| 10.7 1.0 2500 61 11 94 14| 2.2 1.4 3.6| 86.2 -38.3 47.9 19.2 0.21| 10.0 2.1 3000 64 10 97 14| 1.6 1.2 2.8|102.4 -38.3 64.1 21.4 0.29| 9.3 2.7 4000 51 10 91 12| 0.7 0.9 1.6|114.9 -40.1 74.8 18.7 0.33| 8.0 2.6 5000 21 10 70 9| 0.5 0.9 1.5|120.6 -51.5 69.1 13.8 0.23| 8.7 2.0 6000 294 10 247 5| 0.7 0.8 1.5|142.0 -55.0 87.0 14.5 0.26| 8.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251027.12.gif