UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 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 1008 6 26.6 23.4 83 3.2 24.3 150 3 299.1 302.4 297.1 352.4 18.26 1 1000 79 26.0 23.3 85 2.7 24.0 145 7 299.1 302.5 297.2 352.6 18.30 2 964 402 23.0 22.3 96 0.7 22.5 159 11 299.3 302.5 297.0 351.4 17.86 3 925 763 21.8 21.0 95 0.8 21.2 175 15 301.6 304.8 297.1 352.2 17.17 4 850 1496 18.0 18.0 100 0.0 18.0 230 7 305.0 307.9 296.9 351.2 15.46 5 849 1506 18.0 18.0 100 0.0 18.0 230 7 305.1 308.0 296.9 351.4 15.48 6 840 1598 20.4 18.3 88 2.1 18.9 231 7 308.6 311.6 298.1 356.9 15.96 7 778 2260 19.0 8.0 49 11.0 12.1 239 9 313.9 315.6 294.6 340.9 8.69 8 759 2472 18.0 3.0 37 15.0 9.3 242 9 315.0 316.2 293.0 334.8 6.27 9 718 2945 14.2 -2.8 31 17.0 5.3 247 10 315.9 316.7 291.6 329.8 4.33 10 701 3147 12.0 1.0 47 11.0 5.9 250 11 315.6 316.8 292.9 334.3 5.88 11 700 3159 12.0 1.0 47 11.0 5.9 250 11 315.8 316.9 292.9 334.4 5.89 12 679 3413 10.2 -5.8 32 16.0 2.4 255 12 316.5 317.2 291.2 328.3 3.65 13 670 3523 8.8 2.8 66 6.0 5.4 257 13 316.2 317.5 293.9 338.3 7.01 14 665 3585 8.6 -3.4 43 12.0 2.5 258 13 316.6 317.5 292.0 331.0 4.48 15 660 3647 8.0 3.5 73 4.5 5.4 259 13 316.6 318.1 294.4 340.2 7.48 16 651 3760 7.0 3.2 77 3.8 4.8 261 14 316.7 318.2 294.4 340.2 7.42 17 599 4440 3.6 -2.4 65 6.0 0.4 273 17 320.4 321.5 293.8 337.8 5.36 18 589 4576 4.0 -13.0 28 17.0 -3.1 276 17 322.4 322.9 291.9 330.5 2.38 19 577 4743 3.8 -26.2 9 30.0 -5.6 279 18 324.1 324.3 290.8 326.9 0.78 20 554 5072 1.4 -15.6 27 17.0 -5.3 285 19 325.1 325.5 292.3 332.1 2.05 21 533 5382 0.0 -29.0 9 29.0 -8.4 291 21 327.0 327.1 291.5 329.4 0.65 22 500 5890 -3.9 -31.9 9 28.0 -11.1 300 23 328.3 328.4 291.7 330.2 0.53 23 440 6884 -12.1 -35.1 13 23.0 -17.0 306 18 330.1 330.2 292.2 331.8 0.44 24 436 6954 -12.1 -29.1 23 17.0 -16.4 306 18 331.0 331.2 292.7 333.9 0.79 25 431 7043 -12.1 -46.1 4 34.0 -17.6 307 18 332.1 332.1 292.4 332.7 0.14 26 400 7610 -16.1 -49.1 4 33.0 -20.7 310 15 334.1 334.1 292.9 334.5 0.11 27 382 7955 -17.9 -56.9 2 39.0 -22.2 302 16 336.1 336.1 293.4 336.3 0.05 28 372 8152 -19.5 -45.5 8 26.0 -23.2 297 16 336.6 336.6 293.6 337.3 0.18 29 319 9279 -25.7 -58.7 3 33.0 -28.6 271 18 343.1 343.1 295.1 343.3 0.04 30 300 9720 -29.7 -54.7 7 25.0 -31.9 260 19 343.5 343.5 295.3 343.8 0.08 31 250 10990 -39.9 -63.9 6 24.0 -40.9 250 23 346.7 346.8 295.9 346.9 0.03 32 242 11212 -41.5 -68.5 4 27.0 -42.5 249 23 347.6 347.6 296.1 347.7 0.02 33 228 11614 -44.9 -55.9 28 11.0 -45.4 248 24 348.4 348.4 296.4 348.7 0.09 34 223 11762 -46.3 -62.3 15 16.0 -46.9 247 24 348.4 348.4 296.3 348.6 0.04 35 214 12035 -47.5 -71.5 5 24.0 -48.1 247 24 350.7 350.7 296.8 350.8 0.01 36 200 12480 -50.7 -72.7 6 22.0 -51.1 245 25 352.5 352.5 297.2 352.5 0.01 37 189 12846 -53.5 -74.5 6 21.0 -53.8 246 26 353.7 353.7 297.4 353.8 0.01 38 159 13934 -63.1 -74.1 21 11.0 -63.2 249 28 355.4 355.4 297.8 355.5 0.01 39 155 14090 -64.5 -70.5 43 6.0 -64.6 249 29 355.6 355.6 297.8 355.7 0.02 40 150 14290 -65.3 -75.3 24 10.0 -65.4 250 29 357.6 357.6 298.2 357.6 0.01 41 137 14835 -69.1 -78.1 26 9.0 -69.2 251 27 360.3 360.3 298.8 360.3 0.01 42 103 16492 -79.7 -85.7 36 6.0 -79.7 255 22 370.6 370.6 300.7 370.6 0.00 43 100 16660 -78.7 -85.7 31 7.0 -78.7 255 21 375.7 375.7 301.5 375.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5811.00 m Freezing level: 533.00 mb = 5382.10 m = 17657.58 ft Wetbulb zero: 597.80 mb = 4455.89 m = 14618.88 ft Precipitable water: 1.92 inches Sfc-500 mean rel hum: 55.98 % Est. max temperature: 32.17 C = 89.91 F Sfc-Lift cond lev (LCL): 962.62 mb = 414.47 m = 1359.78 ft T: 22.96 C 700-500 lapse rate: 5.82 C/km ThetaE index: 27.15 C Layer 778.0- 701.0 mb Conv cond level (CCL): 915.04 mb = 856.86 m = 2811.17 ft Mean mixing ratio: 17.67 g/kg Conv temperature: 29.57 C = 85.23 F Cap Strength: 3.98 C Lifted Index: -1.69 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.42 C Lifted Index @700 mb: 0.85 C Showalter Index: -1.34 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 21.90 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 253.00 Risk: None Energy Index: -3.96 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 721.62 J/kg Max Up Vert Vel: 37.99 m/s Conv Inhibition (B-): 7.57 J/kg Cap Strength: 3.93 C Lift Cond Lev (LCL): 940.26 mb = 619.89 m = 2033.75 ft Lev Free Conv (LFC): 865.26 mb = 1341.70 m = 4401.86 ft Equ Level (EL): 845.26 mb = 1544.09 m = 5065.85 ft B at Equ Level: 11.16 J/kg Max Parcel Lev (MPL): 825.26 mb = 1750.64 m = 5743.49 ft Wind level data Storm motion: 292 at 10 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 1008 6 150 3 -1.5 2.6 | 120 13 -10.9 6.3 1 1000 79 145 7 -4.0 5.7 | 125 16 -13.4 9.4 2 925 763 175 15 -1.3 14.9 | 150 21 -10.7 18.7 3 850 1496 230 7 5.4 4.5 | 154 9 -4.0 8.2 4 700 3159 250 11 10.3 3.8 | 187 8 1.0 7.5 5 500 5890 300 23 19.9 -11.5 | 306 13 10.5 -7.8 6 400 7610 310 15 11.5 -9.6 | 340 6 2.1 -5.9 7 300 9720 260 19 18.7 3.3 | 233 12 9.3 7.0 8 250 10990 250 23 21.6 7.9 | 227 17 12.2 11.6 9 200 12480 245 25 22.7 10.6 | 223 20 13.3 14.3 10 150 14290 250 29 27.3 9.9 | 233 22 17.9 13.6 11 100 16660 255 21 20.3 5.4 | 230 14 10.9 9.1 Wind Parameters Mean winds (0-6000m): 261.6 at 13.4 knts Storm direction: 291.6 at 10.1 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 63.6 deg Storm rel helicity (0-3000m) pos: 72.6 neg: -3.0 tot: 69.6 m^2/s^2 ave: 23.2 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.8 10^-3/s Energy-Hel index: 0.30 Bulk Rich Number: 16.88 Bulk Shear: 42.74 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 ------------------------------------------------------------------------------- 500 156 9 132 18| 9.4 0.0 9.4| 27.5 0.0 27.5 55.1 0.61| 10.2 6.2 1000 170 11 143 19| 5.3 0.0 5.3| 59.9 0.0 59.9 59.9 0.65| 9.5 6.2 1500 178 11 146 17| 2.5 0.0 2.5| 63.0 -3.0 60.0 40.0 0.44| 9.2 4.0 2000 188 10 150 16| 2.2 0.0 2.2| 66.2 -3.0 63.2 31.6 0.46| 7.3 3.4 2500 198 10 154 14| 2.1 0.0 2.1| 69.4 -3.0 66.4 26.6 0.49| 6.1 3.0 3000 208 10 159 13| 2.0 0.0 2.0| 72.6 -3.0 69.6 23.2 0.51| 5.4 2.8 4000 224 10 169 11| 2.1 0.0 2.1| 83.3 -3.0 80.3 20.1 0.59| 4.7 2.8 5000 243 12 187 9| 2.2 0.0 2.2| 97.3 -3.0 94.3 18.9 0.64| 4.5 2.9 6000 262 13 215 7| 2.2 0.0 2.2|115.7 -3.0 112.7 18.8 0.67| 4.4 3.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250426.12.gif