UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 29 DEC 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 1014 6 21.0 16.3 75 4.7 17.9 100 3 293.0 295.0 290.5 325.9 11.57 1 1000 125 19.8 15.9 78 3.9 17.2 110 7 293.0 295.0 290.4 325.5 11.43 2 944 619 15.2 14.9 98 0.3 15.0 128 13 293.1 295.2 290.4 325.5 11.35 3 925 791 14.4 14.4 100 0.0 14.4 135 15 294.0 296.0 290.6 326.1 11.22 4 882 1193 12.6 12.6 100 0.0 12.6 188 12 296.2 298.1 290.7 326.4 10.45 5 850 1504 11.2 11.2 100 0.0 11.2 230 9 297.9 299.7 290.7 326.6 9.88 6 799 2018 7.6 7.5 99 0.1 7.5 254 13 299.4 300.8 289.8 323.4 8.17 7 795 2059 7.4 1.4 66 6.0 4.3 256 13 299.6 300.5 287.2 315.5 5.33 8 793 2080 8.8 -0.2 53 9.0 4.2 257 13 301.3 302.2 287.3 315.6 4.75 9 782 2196 13.4 -6.6 24 20.0 4.1 262 14 307.4 308.0 287.7 316.8 2.98 10 777 2250 13.8 -8.2 21 22.0 3.8 265 15 308.4 308.9 287.7 316.8 2.65 11 739 2674 15.2 -26.8 4 42.0 1.4 284 18 314.4 314.5 287.6 316.4 0.58 12 700 3130 11.4 -19.6 10 31.0 0.0 305 21 315.1 315.3 288.4 319.0 1.15 13 583 4627 1.0 -32.0 6 33.0 -7.6 286 29 319.9 320.0 289.2 321.5 0.45 14 579 4682 1.6 -37.4 4 39.0 -7.6 285 29 321.2 321.3 289.4 322.2 0.27 15 525 5465 -2.3 -41.3 3 39.0 -10.5 275 33 325.7 325.7 290.7 326.4 0.20 16 500 5850 -4.9 -37.9 6 33.0 -12.1 270 35 327.1 327.1 291.2 328.2 0.29 17 400 7560 -17.3 -46.3 6 29.0 -21.5 260 42 332.5 332.5 292.6 333.1 0.15 18 383 7883 -20.1 -44.1 10 24.0 -23.5 258 46 333.0 333.0 292.7 333.8 0.20 19 324 9101 -28.3 -45.3 18 17.0 -30.3 253 62 338.0 338.0 294.0 338.8 0.21 20 314 9325 -28.7 -56.7 5 28.0 -31.0 252 65 340.5 340.5 294.5 340.7 0.06 21 312 9371 -28.7 -53.7 7 25.0 -30.9 251 65 341.1 341.1 294.7 341.4 0.08 22 300 9650 -31.3 -45.3 24 14.0 -32.8 250 69 341.3 341.3 294.8 342.2 0.22 23 292 9841 -32.9 -43.9 32 11.0 -34.1 251 70 341.6 341.7 295.0 342.7 0.27 24 272 10338 -35.9 -60.9 6 25.0 -37.3 253 71 344.3 344.3 295.4 344.5 0.04 25 254 10811 -39.7 -50.7 30 11.0 -40.5 255 73 345.5 345.5 295.7 346.1 0.14 26 253 10838 -39.3 -55.3 17 16.0 -40.3 255 73 346.5 346.5 295.9 346.8 0.08 27 252 10865 -38.9 -59.9 9 21.0 -40.0 252 72 347.4 347.4 296.1 347.6 0.05 28 250 10920 -38.9 -59.9 9 21.0 -40.0 245 71 348.2 348.2 296.3 348.4 0.05 29 236 11313 -41.5 -65.5 6 24.0 -42.5 246 70 350.1 350.1 296.7 350.2 0.02 30 200 12410 -51.7 -71.7 7 20.0 -52.1 250 69 350.9 350.9 296.8 351.0 0.01 31 198 12475 -52.3 -71.3 8 19.0 -52.7 250 69 351.0 351.0 296.8 351.0 0.01 32 151 14180 -66.3 -78.3 17 12.0 -66.4 240 69 355.2 355.2 297.7 355.2 0.01 33 150 14220 -66.5 -78.5 17 12.0 -66.6 240 69 355.5 355.5 297.8 355.6 0.01 34 139 14676 -69.7 -87.7 6 18.0 -69.8 238 62 357.7 357.7 298.2 357.7 0.00 35 136 14806 -68.3 -90.3 3 22.0 -68.4 238 60 362.4 362.4 299.2 362.4 0.00 36 104 16367 -79.3 -90.3 15 11.0 -79.3 231 35 370.3 370.3 300.6 370.3 0.00 37 100 16590 -78.3 -89.3 15 11.0 -78.3 230 31 376.4 376.4 301.6 376.4 0.00 TRP WND 253 10838 -39.3 -55.3 17 16.0 -40.3 255 73 346.5 346.5 295.9 346.8 0.08 Sounding variables and indices 1000-500 mb thick: 5725.00 m Freezing level: 556.85 mb = 5003.25 m = 16414.65 ft Wetbulb zero: 699.70 mb = 3133.55 m = 10280.56 ft Precipitable water: 1.04 inches Sfc-500 mean rel hum: 38.28 % Est. max temperature: 25.17 C = 77.30 F Sfc-Lift cond lev (LCL): 946.17 mb = 598.87 m = 1964.77 ft T: 15.38 C 700-500 lapse rate: 5.99 C/km ThetaE index: 11.15 C Layer 799.0- 793.0 mb Conv cond level (CCL): 932.72 mb = 720.51 m = 2363.85 ft Mean mixing ratio: 11.35 g/kg Conv temperature: 21.69 C = 71.04 F Cap Strength: 10.14 C Lifted Index: 8.50 C Risk: None Lifted Index @300 mb: 11.81 C Lifted Index @700 mb: 8.68 C Showalter Index: 7.97 C Risk: None Total Totals Index: 32.20 C Risk: None Vertical Totals Index: 16.10 C Cross Totals Index: 16.10 C K Index: -3.70 Risk: None Sweat Index: 187.40 Risk: None Energy Index: 0.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.11 J/kg Max Up Vert Vel: 4.50 m/s Conv Inhibition (B-): 6.35 J/kg Cap Strength: 10.12 C Lift Cond Lev (LCL): 938.17 mb = 671.12 m = 2201.80 ft Lev Free Conv (LFC): 833.17 mb = 1670.04 m = 5479.05 ft Equ Level (EL): 793.17 mb = 2078.03 m = 6817.59 ft B at Equ Level: 5.87 J/kg Max Parcel Lev (MPL): 783.17 mb = 2183.94 m = 7165.05 ft Wind level data Storm motion: 307 at 15 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 1014 6 100 3 -3.0 0.5 | 123 18 -15.2 9.9 1 1000 125 110 7 -6.6 2.4 | 122 22 -18.8 11.8 2 925 791 135 15 -10.6 10.6 | 131 30 -22.9 20.0 3 850 1504 230 9 6.9 5.8 | 160 16 -5.4 15.2 4 700 3130 305 21 17.2 -12.0 | 298 6 4.9 -2.7 5 500 5850 270 35 35.0 -0.0 | 248 25 22.7 9.4 6 400 7560 260 42 41.4 7.3 | 240 34 29.1 16.7 7 300 9650 250 69 64.8 23.6 | 238 62 52.6 33.0 8 253 10838 255 73 70.5 18.9 | 244 65 58.3 28.3 9 250 10920 245 71 64.3 30.0 | 233 65 52.1 39.4 10 200 12410 250 69 64.8 23.6 | 238 62 52.6 33.0 11 150 14220 240 69 59.8 34.5 | 227 65 47.5 43.9 12 100 16590 230 31 23.7 19.9 | 201 31 11.5 29.3 Wind Parameters Mean winds (0-6000m): 277.4 at 20.6 knts Storm direction: 307.4 at 15.4 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 151.9 deg Storm rel helicity (0-3000m) pos: 169.3 neg: -2.1 tot: 167.2 m^2/s^2 ave: 55.7 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 6.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.09 Bulk Shear: 107.31 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 ------------------------------------------------------------------------------- 500 117 8 124 24| 9.2 0.0 9.2| 12.0 -2.1 9.9 19.8 0.15| 9.5 1.5 1000 132 11 129 26| 6.3 0.0 6.3| 81.0 -2.1 79.0 79.0 0.51| 10.5 5.4 1500 144 11 134 26| 3.8 0.0 3.8|122.9 -2.1 120.8 80.5 0.51| 11.6 5.9 2000 166 11 143 25| 4.0 0.0 4.0|141.7 -2.1 139.6 69.8 0.56| 10.2 5.7 2500 197 12 157 22| 4.0 0.0 4.0|156.9 -2.1 154.8 61.9 0.59| 9.6 5.6 3000 236 13 174 17| 3.9 0.0 3.9|169.3 -2.1 167.2 55.7 0.63| 9.4 6.0 4000 278 15 201 8| 3.3 0.5 3.8|172.0 -8.8 163.2 40.8 0.53| 8.1 4.3 5000 281 18 222 8| 2.7 1.2 3.9|172.0 -24.5 147.5 29.5 0.42| 7.3 3.0 6000 277 21 230 11| 2.2 1.7 3.9|172.0 -49.6 122.4 20.4 0.32| 6.8 2.2 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251229.12.gif