UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062900.upa.cvt Date: 0000Z 29 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 29 JUN 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 1001 6 27.8 26.1 90 1.7 26.6 130 1 300.9 304.8 299.7 365.0 21.73 1 1000 18 27.8 26.2 91 1.6 26.6 130 1 301.0 305.0 299.8 365.6 21.88 2 964 343 25.2 25.2 100 0.0 25.2 146 6 301.5 305.4 299.6 364.7 21.38 3 926 698 23.0 23.0 100 0.0 23.0 165 11 302.7 306.3 298.8 360.4 19.44 4 925 707 22.8 22.3 97 0.5 22.5 165 11 302.6 306.1 298.2 357.8 18.63 5 915 802 22.2 20.7 91 1.5 21.1 177 11 302.9 306.1 297.4 353.5 17.03 6 905 898 23.0 18.5 76 4.5 19.8 188 11 304.7 307.5 296.5 349.4 14.97 7 850 1445 20.0 17.9 88 2.1 18.5 255 11 307.1 310.0 297.4 353.4 15.36 8 725 2802 12.4 11.5 94 0.9 11.8 251 13 313.1 315.3 296.5 349.6 11.85 9 710 2978 12.8 9.6 81 3.2 10.7 250 13 315.4 317.4 296.3 348.6 10.64 10 700 3097 12.2 9.0 81 3.2 10.2 250 13 316.0 318.0 296.3 348.4 10.36 11 500 5840 -3.7 -3.7 100 0.0 -3.7 210 15 328.5 329.7 296.2 347.9 5.83 12 434 6945 -10.1 -10.1 100 0.0 -10.1 188 9 334.0 334.8 296.2 348.0 4.09 13 400 7570 -12.9 -13.4 96 0.5 -13.1 175 5 338.2 338.9 296.7 350.2 3.40 14 397 7628 -13.3 -13.7 97 0.4 -13.5 172 5 338.4 339.1 296.7 350.2 3.35 15 373 8103 -14.9 -22.9 50 8.0 -17.4 151 6 342.4 342.7 296.3 348.4 1.63 16 361 8351 -16.3 -26.3 42 10.0 -19.1 139 6 343.7 344.0 296.3 348.4 1.24 17 346 8670 -18.7 -29.7 37 11.0 -21.4 125 7 344.7 344.9 296.3 348.3 0.94 18 300 9720 -26.9 -32.9 57 6.0 -28.1 75 9 347.5 347.6 296.8 350.6 0.80 19 294 9864 -27.9 -31.2 73 3.3 -28.6 64 10 348.1 348.3 297.0 351.8 0.96 20 261 10702 -34.7 -45.7 32 11.0 -35.8 2 15 350.1 350.2 296.9 351.1 0.25 21 258 10783 -35.1 -43.1 44 8.0 -36.0 356 16 350.7 350.8 297.1 352.0 0.33 22 250 11000 -37.3 -44.3 48 7.0 -38.0 340 17 350.6 350.7 297.0 351.8 0.30 23 233 11483 -41.7 -45.9 64 4.2 -42.1 343 15 351.1 351.1 297.1 352.2 0.27 24 207 12274 -48.5 -53.5 56 5.0 -48.7 348 12 352.5 352.5 297.3 353.0 0.13 25 204 12370 -49.3 -58.3 34 9.0 -49.6 349 12 352.7 352.7 297.3 353.0 0.07 26 200 12500 -50.5 -58.5 38 8.0 -50.8 350 11 352.8 352.8 297.3 353.1 0.07 27 190 12832 -53.7 -59.7 48 6.0 -53.9 357 16 352.9 352.9 297.3 353.1 0.06 28 168 13611 -59.5 -63.5 60 4.0 -59.6 14 27 355.8 355.9 297.9 356.0 0.04 29 150 14310 -65.5 -70.5 50 5.0 -65.5 30 38 357.2 357.3 298.2 357.3 0.02 30 131 15121 -72.5 -78.5 40 6.0 -72.5 32 36 358.8 358.8 298.5 358.9 0.01 31 116 15828 -77.3 -80.6 59 3.3 -77.3 34 34 362.7 362.7 299.2 362.7 0.01 32 112 16029 -78.3 -82.4 51 4.1 -78.3 35 33 364.4 364.4 299.5 364.5 0.00 33 107 16291 -76.1 -84.1 27 8.0 -76.1 49 37 373.4 373.4 301.2 373.4 0.00 34 100 16680 -77.9 -84.9 31 7.0 -77.9 70 42 377.2 377.2 301.8 377.2 0.00 TRP 112 16029 -78.3 -82.4 51 4.1 -78.3 35 33 364.4 364.4 299.5 364.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 546.54 mb = 5201.69 m = 17065.71 ft Wetbulb zero: 553.72 mb = 5008.00 m = 16430.26 ft Precipitable water: 2.75 inches Sfc-500 mean rel hum: 90.25 % Est. max temperature: 33.99 C = 93.18 F Sfc-Lift cond lev (LCL): 977.16 mb = 223.09 m = 731.90 ft T: 26.16 C 700-500 lapse rate: 5.80 C/km ThetaE index: 16.19 C Layer 964.0- 850.0 mb Conv cond level (CCL): 935.50 mb = 607.67 m = 1993.66 ft Mean mixing ratio: 19.88 g/kg Conv temperature: 29.36 C = 84.84 F Cap Strength: 0.60 C Lifted Index: -4.42 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.19 C Lifted Index @700 mb: -1.24 C Showalter Index: -1.90 C Risk: Thunderstorms probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.60 C K Index: 38.40 Risk: > 80 % chance of thunderstorms Sweat Index: 251.80 Risk: None Energy Index: -1.15 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1839.43 J/kg Max Up Vert Vel: 60.65 m/s Conv Inhibition (B-): 0.08 J/kg Cap Strength: 0.54 C Lift Cond Lev (LCL): 939.45 mb = 570.61 m = 1872.06 ft Lev Free Conv (LFC): 924.45 mb = 712.24 m = 2336.71 ft Equ Level (EL): 904.45 mb = 903.67 m = 2964.76 ft B at Equ Level: 12.95 J/kg Wind level data Storm motion: 260 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 1001 6 130 1 -0.8 0.6 | 85 10 -9.8 -0.9 1 1000 18 130 1 -0.8 0.6 | 85 10 -9.8 -0.9 2 925 707 165 11 -2.8 10.6 | 127 15 -11.9 9.0 3 850 1445 255 11 10.6 2.8 | 232 2 1.6 1.3 4 700 3097 250 13 12.2 4.4 | 228 4 3.2 2.9 5 500 5840 210 15 7.5 13.0 | 172 12 -1.5 11.4 6 400 7570 175 5 -0.4 5.0 | 110 10 -9.5 3.4 7 300 9720 75 9 -8.7 -2.3 | 78 18 -17.7 -3.9 8 250 11000 340 17 5.8 -16.0 | 10 18 -3.2 -17.6 9 200 12500 350 11 1.9 -10.8 | 30 14 -7.1 -12.4 10 150 14310 30 38 -19.0 -32.9 | 39 44 -28.0 -34.5 11 112 16029 35 33 -18.9 -27.0 | 44 40 -28.0 -28.6 12 100 16680 70 42 -39.5 -14.4 | 72 51 -48.5 -15.9 Wind Parameters Mean winds (0-6000m): 230.1 at 12.2 knts Storm direction: 260.1 at 9.2 knts Shear (0-3000m) pos: 2.0 neg: 0.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 143.7 deg Storm rel helicity (0-3000m) pos: 57.5 neg: -0.2 tot: 57.3 m^2/s^2 ave: 19.1 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.5 10^-3/s Energy-Hel index: 0.66 Bulk Rich Number: 94.73 Bulk Shear: 19.42 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 ------------------------------------------------------------------------------- 500 152 4 102 11| 7.4 0.0 7.4| 19.8 0.0 19.8 39.6 0.85| 7.6 6.4 1000 171 7 120 12| 5.5 0.0 5.5| 48.2 0.0 48.2 48.2 0.81| 9.1 7.4 1500 194 9 135 10| 4.0 0.0 4.0| 57.5 0.0 57.5 38.3 0.74| 9.6 7.2 2000 216 9 149 7| 3.0 0.2 3.2| 57.5 -0.0 57.5 28.7 0.72| 7.4 5.4 2500 227 10 161 5| 2.4 0.3 2.7| 57.5 -0.1 57.4 23.0 0.71| 6.1 4.3 3000 234 10 171 5| 2.0 0.4 2.4| 57.5 -0.2 57.3 19.1 0.69| 5.2 3.5 4000 237 11 183 4| 1.5 0.6 2.1| 57.5 -3.4 54.0 13.5 0.55| 4.3 2.4 5000 235 12 186 5| 1.2 0.8 2.0| 57.5 -8.4 49.1 9.8 0.43| 3.8 1.6 6000 230 12 183 6| 1.0 0.9 1.9| 57.5 -17.9 39.6 6.6 0.30| 3.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250629.00.gif