UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052612.upa.cvt Date: 1200Z 26 MAY 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 26 MAY 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 1011 6 26.2 19.2 65 7.0 21.3 70 1 298.4 301.0 294.1 339.1 13.98 1 1000 104 25.2 18.2 65 7.0 20.4 40 3 298.4 300.8 293.6 336.9 13.26 2 925 784 20.2 16.9 81 3.3 17.9 55 13 300.0 302.4 294.0 338.6 13.21 3 878 1234 16.8 16.7 99 0.1 16.7 98 13 300.9 303.5 294.6 341.3 13.75 4 850 1511 16.2 16.2 100 0.0 16.2 125 13 303.1 305.7 295.3 343.9 13.76 5 807 1953 14.4 14.4 100 0.0 14.4 136 13 305.7 308.1 295.4 344.4 12.89 6 715 2971 9.4 9.0 97 0.4 9.2 161 13 311.0 312.9 294.8 342.1 10.14 7 707 3066 11.2 6.6 73 4.6 8.4 163 13 314.0 315.7 294.6 341.0 8.68 8 700 3149 11.2 5.2 67 6.0 7.6 165 13 314.9 316.4 294.3 339.8 7.95 9 680 3391 10.0 6.7 80 3.3 7.9 172 13 316.2 317.9 295.4 344.7 9.10 10 662 3614 9.2 -1.8 46 11.0 3.4 178 13 317.7 318.7 292.8 334.0 5.07 11 645 3829 7.8 -4.2 42 12.0 1.7 184 13 318.5 319.3 292.4 332.5 4.34 12 636 3945 6.6 4.9 89 1.7 5.6 188 12 318.4 320.1 295.6 345.6 8.58 13 622 4128 5.8 1.2 72 4.6 3.2 193 12 319.5 320.8 294.6 341.1 6.73 14 618 4180 6.8 -12.2 24 19.0 -1.4 195 12 321.3 321.7 291.5 329.4 2.42 15 616 4207 6.8 -11.2 26 18.0 -1.2 195 12 321.6 322.1 291.8 330.4 2.64 16 598 4450 4.4 -0.6 70 5.0 1.7 202 12 321.5 322.7 294.7 341.4 6.14 17 591 4546 4.6 -6.4 45 11.0 -0.8 205 12 322.8 323.6 293.3 336.1 4.01 18 567 4883 2.0 -0.4 84 2.4 0.7 215 12 323.6 324.9 295.5 345.0 6.57 19 539 5291 0.0 -2.5 83 2.5 -1.3 227 11 326.0 327.1 295.6 345.4 5.92 20 531 5411 0.0 -9.0 51 9.0 -4.2 231 11 327.4 328.1 294.2 339.6 3.65 21 508 5764 -2.9 -6.2 78 3.3 -4.6 241 11 328.0 329.0 295.3 343.9 4.74 22 500 5890 -2.7 -9.7 59 7.0 -5.9 245 11 329.7 330.5 294.8 342.2 3.66 23 497 5938 -2.7 -10.7 54 8.0 -6.2 245 11 330.3 331.0 294.8 341.9 3.41 24 489 6066 -3.5 -7.4 74 3.9 -5.4 246 11 330.9 331.8 295.7 346.1 4.49 25 442 6859 -8.1 -19.1 41 11.0 -12.0 251 13 334.8 335.2 294.7 341.6 1.91 26 432 7036 -8.7 -14.7 62 6.0 -11.1 252 14 336.2 336.8 295.8 346.1 2.83 27 428 7109 -8.9 -24.9 26 16.0 -13.8 252 14 336.8 337.1 294.6 341.2 1.18 28 421 7236 -9.3 -25.3 26 16.0 -14.2 253 14 337.9 338.2 294.8 342.2 1.16 29 420 7255 -9.3 -26.3 24 17.0 -14.3 253 14 338.1 338.4 294.8 342.1 1.06 30 400 7630 -12.3 -20.3 51 8.0 -15.0 255 15 339.0 339.4 295.7 345.9 1.90 31 391 7804 -13.7 -21.7 51 8.0 -16.3 257 15 339.4 339.7 295.7 345.6 1.72 32 383 7961 -15.1 -19.3 70 4.2 -16.6 258 16 339.6 340.0 296.0 347.4 2.17 33 378 8060 -15.5 -17.2 87 1.7 -16.2 259 16 340.3 340.8 296.5 349.7 2.63 34 365 8324 -16.5 -22.5 60 6.0 -18.4 261 17 342.4 342.8 296.4 348.7 1.72 35 300 9770 -27.5 -29.1 86 1.6 -27.9 275 21 346.6 346.9 296.8 351.0 1.15 36 294 9914 -28.9 -29.9 91 1.0 -29.1 277 21 346.6 346.9 296.8 350.8 1.09 37 262 10726 -35.1 -39.3 65 4.2 -35.7 290 22 349.2 349.3 296.8 351.1 0.48 38 251 11023 -37.3 -41.4 66 4.1 -37.8 295 23 350.2 350.3 297.0 351.8 0.40 39 250 11050 -37.5 -41.4 67 3.9 -37.9 295 23 350.3 350.4 297.1 352.0 0.41 40 225 11769 -43.7 -50.7 46 7.0 -44.2 300 28 351.5 351.6 297.1 352.2 0.16 41 200 12550 -50.5 -55.3 57 4.8 -50.7 305 33 352.8 352.8 297.3 353.3 0.11 42 184 13088 -55.3 -58.8 65 3.5 -55.4 309 36 353.5 353.5 297.4 353.8 0.07 43 159 14003 -62.9 -67.0 58 4.1 -63.0 317 40 355.7 355.7 297.9 355.9 0.03 44 157 14081 -63.7 -69.7 44 6.0 -63.8 318 41 355.7 355.7 297.8 355.8 0.02 45 150 14360 -64.9 -77.9 15 13.0 -65.0 320 42 358.3 358.3 298.4 358.3 0.01 46 149 14401 -65.1 -78.1 15 13.0 -65.2 320 42 358.6 358.6 298.4 358.6 0.01 47 102 16627 -78.5 -84.5 37 6.0 -78.5 330 20 373.9 373.9 301.2 373.9 0.00 48 100 16740 -78.1 -85.1 31 7.0 -78.1 330 19 376.8 376.8 301.7 376.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 531.00 mb = 5410.61 m = 17751.12 ft Wetbulb zero: 619.21 mb = 4164.37 m = 13662.48 ft Precipitable water: 2.20 inches Sfc-500 mean rel hum: 78.35 % Est. max temperature: 30.05 C = 86.09 F Sfc-Lift cond lev (LCL): 912.96 mb = 896.96 m = 2942.74 ft T: 19.35 C 700-500 lapse rate: 5.07 C/km ThetaE index: 4.58 C Layer 715.0- 680.0 mb Conv cond level (CCL): 826.82 mb = 1746.51 m = 5729.95 ft Mean mixing ratio: 13.28 g/kg Conv temperature: 32.32 C = 90.17 F Cap Strength: 5.08 C Lifted Index: 4.90 C Risk: None Lifted Index @300 mb: 7.81 C Lifted Index @700 mb: 4.15 C Showalter Index: 2.55 C Risk: Showers probable Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 18.90 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 231.40 Risk: None Energy Index: -0.37 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.18 J/kg Max Up Vert Vel: 2.89 m/s Conv Inhibition (B-): 5059.87 J/kg Cap Strength: 4.81 C Lift Cond Lev (LCL): 892.14 mb = 1095.86 m = 3595.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 191 at 9 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 1011 6 70 1 -0.9 -0.3 | 17 9 -2.7 -9.0 1 1000 104 40 3 -1.9 -2.3 | 19 12 -3.7 -11.0 2 925 784 55 13 -10.6 -7.5 | 38 20 -12.4 -16.1 3 850 1511 125 13 -10.6 7.5 | 84 12 -12.4 -1.2 4 700 3149 165 13 -3.4 12.6 | 127 6 -5.1 3.9 5 500 5890 245 11 10.0 4.6 | 296 9 8.2 -4.0 6 400 7630 255 15 14.5 3.9 | 291 14 12.7 -4.8 7 300 9770 275 21 20.9 -1.8 | 299 22 19.2 -10.5 8 250 11050 295 23 20.8 -9.7 | 314 27 19.1 -18.4 9 200 12550 305 33 27.0 -18.9 | 317 37 25.3 -27.6 10 150 14360 320 42 27.0 -32.2 | 328 48 25.3 -40.8 11 100 16740 330 19 9.5 -16.5 | 343 26 7.8 -25.1 Wind Parameters Mean winds (0-6000m): 161.4 at 11.8 knts Storm direction: 191.4 at 8.8 knts Shear (0-3000m) pos: 3.2 neg: 1.4 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 105.4 deg Storm rel helicity (0-3000m) pos: 100.4 neg: 0.0 tot: 100.4 m^2/s^2 ave: 33.5 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 28.69 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 47 5 24 13| 0.0 8.2 8.2| 11.8 0.0 11.8 23.7 0.40| 8.4 3.3 1000 57 9 34 16| 3.4 4.1 7.5| 46.6 0.0 46.6 46.6 0.59| 8.8 5.2 1500 74 10 45 16| 4.7 2.7 7.5| 84.4 0.0 84.4 56.3 0.69| 9.6 6.6 2000 92 11 56 15| 4.0 2.1 6.0| 90.9 0.0 90.9 45.5 0.69| 7.9 5.5 2500 105 11 66 14| 3.5 1.6 5.1| 96.1 0.0 96.1 38.5 0.70| 6.9 4.8 3000 116 12 74 13| 3.2 1.4 4.5|100.4 0.0 100.4 33.5 0.70| 6.2 4.4 4000 134 12 87 10| 2.6 1.0 3.6|107.3 0.0 107.3 26.8 0.72| 5.5 4.0 5000 149 12 101 8| 2.1 0.8 2.9|113.3 0.0 113.3 22.7 0.74| 5.0 3.7 6000 161 12 114 6| 1.7 0.7 2.4|120.6 -0.3 120.3 20.0 0.74| 4.7 3.4 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250526.12.gif