UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 26 APR 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 1012 6 25.4 22.2 82 3.2 23.1 150 3 297.5 300.6 295.8 346.5 16.88 1 1000 107 24.4 22.0 86 2.4 22.7 135 7 297.5 300.6 295.8 346.5 16.87 2 954 518 20.4 19.5 95 0.9 19.8 141 11 297.5 300.3 294.6 341.3 15.12 3 948 573 21.2 17.4 79 3.8 18.6 142 11 298.9 301.3 293.7 337.6 13.30 4 925 786 20.2 19.2 94 1.0 19.5 145 13 300.0 302.8 295.4 344.8 15.31 5 908 947 19.2 18.7 97 0.5 18.9 155 13 300.5 303.3 295.5 344.9 15.12 6 850 1515 17.0 17.0 100 0.0 17.0 190 15 304.0 306.6 296.0 347.0 14.49 7 820 1822 16.0 16.0 100 0.0 16.0 206 16 306.0 308.7 296.3 348.3 14.09 8 814 1885 17.8 15.5 86 2.3 16.2 209 16 308.6 311.2 296.7 350.2 13.74 9 801 2023 18.6 14.3 76 4.3 15.7 216 17 310.9 313.3 296.7 350.3 12.90 10 752 2563 14.2 12.5 90 1.7 13.1 244 19 311.8 314.1 296.5 349.2 12.21 11 700 3165 9.8 6.1 78 3.7 7.6 275 21 313.3 315.0 294.2 339.7 8.47 12 669 3540 7.8 -3.2 46 11.0 2.2 278 22 315.2 316.0 291.6 329.6 4.52 13 639 3915 4.2 -0.8 70 5.0 1.5 280 23 315.2 316.3 292.6 333.2 5.66 14 605 4359 2.6 -14.4 27 17.0 -4.1 284 24 318.4 318.8 290.3 325.3 2.07 15 580 4699 1.0 -20.0 19 21.0 -6.2 286 24 320.4 320.6 290.3 325.0 1.35 16 534 5359 -1.9 -31.9 8 30.0 -9.6 291 26 324.6 324.7 290.7 326.4 0.49 17 523 5525 -3.1 -20.1 26 17.0 -8.9 292 26 325.1 325.3 291.7 330.2 1.48 18 502 5849 -4.1 -37.1 6 33.0 -11.6 295 27 327.7 327.7 291.4 328.9 0.32 19 500 5880 -4.3 -36.3 6 32.0 -11.7 295 27 327.8 327.9 291.5 329.1 0.34 20 419 7240 -15.9 -36.9 15 21.0 -19.8 287 27 329.9 330.0 292.1 331.4 0.39 21 411 7385 -14.9 -46.9 5 32.0 -19.7 286 27 333.0 333.1 292.7 333.6 0.14 22 400 7590 -15.3 -52.3 3 37.0 -20.2 285 27 335.1 335.1 293.2 335.4 0.08 23 347 8653 -20.9 -58.9 2 38.0 -24.8 283 23 341.4 341.4 294.7 341.6 0.04 24 300 9710 -29.7 -61.7 3 32.0 -31.9 280 19 343.5 343.5 295.2 343.7 0.03 25 253 10899 -40.3 -65.3 5 25.0 -41.3 261 17 345.0 345.0 295.5 345.1 0.02 26 250 10980 -40.7 -63.7 7 23.0 -41.6 260 17 345.6 345.6 295.7 345.7 0.03 27 243 11173 -41.7 -67.7 4 26.0 -42.6 259 17 346.9 346.9 296.0 347.0 0.02 28 212 12081 -49.7 -67.7 10 18.0 -50.1 256 18 348.2 348.2 296.3 348.3 0.02 29 209 12174 -50.5 -58.5 38 8.0 -50.8 256 19 348.4 348.4 296.3 348.7 0.07 30 208 12206 -50.9 -53.6 73 2.7 -51.0 256 19 348.2 348.3 296.4 348.8 0.12 31 200 12460 -52.3 -59.3 43 7.0 -52.5 255 19 349.9 350.0 296.7 350.2 0.06 32 188 12858 -55.3 -72.3 10 17.0 -55.6 256 19 351.4 351.4 297.0 351.4 0.01 33 168 13566 -61.3 -73.3 19 12.0 -61.4 258 18 352.8 352.9 297.3 352.9 0.01 34 163 13753 -62.7 -66.1 63 3.4 -62.7 259 18 353.6 353.6 297.4 353.7 0.03 35 150 14260 -66.9 -71.9 49 5.0 -67.0 260 17 354.8 354.8 297.7 354.9 0.02 36 149 14300 -67.1 -72.1 49 5.0 -67.1 260 17 355.2 355.2 297.7 355.2 0.02 37 122 15491 -72.7 -80.7 29 8.0 -72.8 270 19 365.9 365.9 299.8 365.9 0.00 38 100 16640 -78.9 -84.9 37 6.0 -78.9 280 21 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 564.14 mb = 4926.59 m = 16163.17 ft Wetbulb zero: 629.67 mb = 4034.38 m = 13235.99 ft Precipitable water: 1.95 inches Sfc-500 mean rel hum: 62.72 % Est. max temperature: 31.11 C = 88.00 F Sfc-Lift cond lev (LCL): 966.29 mb = 406.37 m = 1333.21 ft T: 21.49 C 700-500 lapse rate: 5.19 C/km ThetaE index: 20.75 C Layer 752.0- 639.0 mb Conv cond level (CCL): 903.02 mb = 994.04 m = 3261.26 ft Mean mixing ratio: 15.49 g/kg Conv temperature: 28.69 C = 83.65 F Cap Strength: 4.69 C Lifted Index: 1.07 C Risk: Showers probable Lifted Index @300 mb: 2.33 C Lifted Index @700 mb: 1.05 C Showalter Index: -0.28 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 21.30 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 406.74 Risk: Severe Thunderstorms possible Energy Index: -3.42 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 71.26 J/kg Max Up Vert Vel: 11.94 m/s Conv Inhibition (B-): 182.69 J/kg Cap Strength: 4.52 C Lift Cond Lev (LCL): 935.65 mb = 686.66 m = 2252.80 ft Lev Free Conv (LFC): 650.65 mb = 3767.22 m = 12359.48 ft Equ Level (EL): 570.65 mb = 4828.70 m = 15842.01 ft B at Equ Level: 28.31 J/kg Max Parcel Lev (MPL): 360.65 mb = 8364.21 m = 27441.31 ft Wind level data Storm motion: 296 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 1012 6 150 3 -1.5 2.6 | 122 17 -14.6 9.1 1 1000 107 135 7 -4.9 4.9 | 122 21 -18.0 11.4 2 925 786 145 13 -7.5 10.6 | 130 27 -20.5 17.1 3 850 1515 190 15 2.6 14.8 | 154 24 -10.4 21.3 4 700 3165 275 21 20.9 -1.8 | 239 9 7.9 4.7 5 500 5880 295 27 24.5 -11.4 | 293 12 11.4 -4.9 6 400 7590 285 27 26.1 -7.0 | 272 13 13.0 -0.5 7 300 9710 280 19 18.7 -3.3 | 241 7 5.7 3.2 8 250 10980 260 17 16.7 3.0 | 201 10 3.7 9.5 9 200 12460 255 19 18.4 4.9 | 205 13 5.3 11.4 10 150 14260 260 17 16.7 3.0 | 201 10 3.7 9.5 11 100 16640 280 21 20.7 -3.6 | 250 8 7.6 2.9 Wind Parameters Mean winds (0-6000m): 266.5 at 19.4 knts Storm direction: 296.5 at 14.6 knts Shear (0-3000m) pos: 4.8 neg: 1.3 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 101.9 deg Storm rel helicity (0-3000m) pos: 188.5 neg: 0.0 tot: 188.5 m^2/s^2 ave: 62.8 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 5.9 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.85 Bulk Shear: 83.56 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 ------------------------------------------------------------------------------- 500 139 8 124 22| 0.0 7.8 7.8| 11.0 0.0 11.0 22.1 0.24| 8.0 1.9 1000 144 10 128 24| 2.5 3.9 6.4| 43.1 0.0 43.1 43.1 0.48| 7.0 3.3 1500 157 12 134 25| 3.9 2.6 6.5| 92.2 0.0 92.2 61.5 0.65| 7.3 4.7 2000 171 13 142 24| 4.4 1.9 6.4|131.0 0.0 131.0 65.5 0.71| 7.4 5.3 2500 186 14 150 23| 4.7 1.6 6.3|163.4 0.0 163.4 65.3 0.74| 7.6 5.6 3000 202 15 159 21| 4.8 1.3 6.1|188.5 0.0 188.5 62.8 0.75| 7.9 5.9 4000 233 16 180 16| 4.1 1.0 5.0|202.8 0.0 202.8 50.7 0.77| 6.7 5.1 5000 253 18 199 12| 3.5 0.8 4.3|212.4 0.0 212.4 42.5 0.78| 5.7 4.5 6000 266 19 220 10| 3.1 0.6 3.8|221.7 -0.9 220.8 36.8 0.78| 5.1 4.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250426.00.gif