UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 23 APR 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 1009 19 28.2 22.2 70 6.0 23.9 200 1 300.6 303.7 296.7 350.3 16.93 1 1000 81 27.6 21.6 70 6.0 23.3 160 5 300.8 303.8 296.4 349.1 16.46 2 925 771 23.4 22.0 92 1.4 22.4 185 9 303.2 306.6 298.2 357.6 18.28 3 917 847 22.6 21.8 95 0.8 22.1 176 8 303.2 306.5 298.1 357.3 18.22 4 850 1507 20.0 15.1 73 4.9 16.7 100 1 307.1 309.5 295.7 345.7 12.80 5 844 1568 19.6 15.1 75 4.5 16.5 97 1 307.3 309.7 295.8 346.2 12.90 6 831 1702 19.8 12.8 64 7.0 15.1 92 1 308.9 311.0 295.1 343.1 11.25 7 730 2805 11.4 10.1 92 1.3 10.6 45 4 311.3 313.4 295.3 344.2 10.70 8 702 3132 9.6 8.0 90 1.6 8.6 31 5 312.9 314.7 295.0 342.7 9.64 9 700 3156 9.6 6.9 83 2.7 7.9 30 5 313.1 314.8 294.6 340.9 8.96 10 691 3263 9.2 3.2 66 6.0 5.8 37 5 313.8 315.2 293.2 335.7 6.99 11 644 3844 5.2 3.2 87 2.0 4.1 73 5 315.7 317.1 294.1 339.3 7.50 12 604 4366 2.6 -0.9 78 3.5 0.7 107 5 318.5 319.7 293.7 337.5 5.94 13 595 4488 2.2 -5.8 55 8.0 -1.7 115 5 319.4 320.2 292.5 333.0 4.17 14 576 4749 0.2 -2.0 85 2.2 -1.0 131 5 320.1 321.2 294.0 338.6 5.74 15 570 4833 0.4 -2.9 78 3.3 -1.3 137 5 321.3 322.3 294.0 338.9 5.43 16 567 4876 0.8 -14.2 32 15.0 -5.2 140 5 322.2 322.7 291.6 329.8 2.25 17 565 4904 0.6 -6.4 59 7.0 -2.8 141 5 322.3 323.1 293.3 336.1 4.20 18 563 4933 0.8 -17.2 25 18.0 -5.9 143 5 322.9 323.2 291.4 328.9 1.76 19 560 4976 0.8 -23.2 15 24.0 -7.0 146 5 323.4 323.6 290.9 327.1 1.05 20 559 4990 0.8 -20.2 19 21.0 -6.5 147 5 323.5 323.8 291.2 328.3 1.37 21 544 5208 -0.3 -6.3 64 6.0 -3.2 161 5 324.7 325.6 294.1 339.3 4.39 22 540 5268 -0.3 -10.3 47 10.0 -4.7 165 5 325.4 326.1 293.4 336.3 3.23 23 534 5357 -0.9 -4.8 75 3.9 -2.9 171 5 325.8 326.8 294.9 342.4 5.02 24 520 5569 -2.5 -5.1 82 2.6 -3.8 185 5 326.3 327.3 295.0 343.0 5.04 25 500 5880 -3.7 -7.8 73 4.1 -5.7 205 5 328.5 329.4 295.0 342.8 4.26 26 415 7329 -11.9 -17.9 61 6.0 -14.0 180 7 336.0 336.4 295.3 344.0 2.25 27 400 7610 -13.9 -18.9 66 5.0 -15.6 175 7 336.9 337.4 295.4 344.6 2.15 28 373 8136 -18.1 -22.9 66 4.8 -19.5 165 9 338.2 338.5 295.3 344.1 1.63 29 342 8779 -21.7 -33.7 33 12.0 -24.1 153 11 341.8 341.9 295.3 344.2 0.65 30 300 9730 -28.9 -41.9 27 13.0 -30.6 135 15 344.6 344.7 295.7 345.9 0.32 31 285 10096 -31.1 -49.1 15 18.0 -32.9 132 13 346.6 346.6 296.0 347.2 0.15 32 250 11010 -38.9 -57.9 12 19.0 -40.0 125 9 348.2 348.2 296.3 348.5 0.06 33 247 11093 -39.5 -60.5 9 21.0 -40.6 123 9 348.5 348.6 296.4 348.7 0.04 34 209 12213 -49.3 -64.3 16 15.0 -49.7 97 11 350.3 350.3 296.7 350.4 0.03 35 205 12339 -50.3 -57.3 43 7.0 -50.5 94 11 350.6 350.6 296.8 351.0 0.08 36 204 12371 -50.7 -54.9 61 4.2 -50.9 93 11 350.5 350.5 296.8 351.0 0.11 37 200 12500 -51.7 -55.2 66 3.5 -51.8 90 11 350.9 350.9 296.9 351.4 0.11 38 190 12830 -54.3 -57.1 71 2.8 -54.4 85 11 351.9 351.9 297.1 352.3 0.09 39 172 13460 -59.3 -67.3 35 8.0 -59.5 74 10 353.8 353.8 297.5 353.9 0.03 40 150 14300 -67.3 -71.8 53 4.5 -67.4 60 9 354.2 354.2 297.5 354.2 0.02 41 145 14503 -69.1 -73.3 54 4.2 -69.1 66 10 354.5 354.5 297.6 354.5 0.01 42 131 15101 -73.5 -77.2 57 3.7 -73.5 83 15 357.1 357.1 298.1 357.1 0.01 43 118 15702 -78.7 -83.7 44 5.0 -78.7 100 19 358.3 358.3 298.4 358.3 0.00 44 110 16104 -75.5 -83.5 27 8.0 -75.5 92 24 371.6 371.6 300.8 371.6 0.00 45 100 16650 -78.9 -86.9 26 8.0 -78.9 80 31 375.3 375.3 301.5 375.3 0.00 TRP 118 15702 -78.7 -83.7 44 5.0 -78.7 100 19 358.3 358.3 298.4 358.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 548.09 mb = 5148.91 m = 16892.54 ft Wetbulb zero: 601.29 mb = 4402.36 m = 14443.25 ft Precipitable water: 2.30 inches Sfc-500 mean rel hum: 76.17 % Est. max temperature: 34.19 C = 93.54 F Sfc-Lift cond lev (LCL): 925.08 mb = 770.24 m = 2527.02 ft T: 23.40 C 700-500 lapse rate: 4.88 C/km ThetaE index: 11.88 C Layer 917.0- 844.0 mb Conv cond level (CCL): 847.75 mb = 1529.90 m = 5019.30 ft Mean mixing ratio: 17.43 g/kg Conv temperature: 34.81 C = 94.65 F Cap Strength: 2.03 C Lifted Index: -2.02 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.46 C Lifted Index @700 mb: -1.96 C Showalter Index: 0.85 C Risk: Thunderstorms probable Total Totals Index: 42.50 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 18.80 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 188.20 Risk: None Energy Index: -0.61 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 878.93 J/kg Max Up Vert Vel: 41.93 m/s Conv Inhibition (B-): 62.55 J/kg Cap Strength: 1.96 C Lift Cond Lev (LCL): 911.60 mb = 898.40 m = 2947.48 ft Lev Free Conv (LFC): 766.60 mb = 2388.91 m = 7837.55 ft Equ Level (EL): 166.60 mb = 13655.80 m = 44801.94 ft B at Equ Level: 874.11 J/kg Wind level data Storm motion: 177 at 3 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 1009 19 200 1 0.3 0.9 | 348 3 0.5 -2.5 1 1000 81 160 5 -1.7 4.7 | 128 2 -1.5 1.2 2 925 771 185 9 0.8 9.0 | 190 6 1.0 5.5 3 850 1507 100 1 -1.0 0.2 | 14 3 -0.8 -3.3 4 700 3156 30 5 -2.5 -4.3 | 17 8 -2.3 -7.8 5 500 5880 205 5 2.1 4.5 | 245 3 2.3 1.0 6 400 7610 175 7 -0.6 7.0 | 173 4 -0.4 3.5 7 300 9730 135 15 -10.6 10.6 | 124 13 -10.4 7.1 8 250 11010 125 9 -7.4 5.2 | 103 7 -7.2 1.7 9 200 12500 90 11 -11.0 0.0 | 72 11 -10.8 -3.5 10 150 14300 60 9 -7.8 -4.5 | 44 11 -7.6 -8.0 11 118 15702 100 19 -18.7 3.3 | 89 19 -18.5 -0.2 12 100 16650 80 31 -30.5 -5.4 | 74 32 -30.4 -8.9 Wind Parameters Mean winds (0-6000m): 147.1 at 4.7 knts Storm direction: 177.1 at 3.5 knts Shear (0-3000m) pos: 0.0 neg: 1.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 30.9 deg Storm rel helicity (0-3000m) pos: 4.6 neg: -11.1 tot: -6.6 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -0.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1274.18 Bulk Shear: 0.69 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 ------------------------------------------------------------------------------- 500 169 6 158 2| 0.0 6.8 6.8| 2.4 0.0 2.4 4.8 0.91| 9.1 8.2 1000 175 7 173 3| 0.0 2.9 2.9| 3.6 -4.1 -0.5 -0.5 0.35| 7.6 2.7 1500 177 6 177 2| 0.0 0.5 0.5| 3.6 -9.2 -5.6 -3.7 -0.06| 7.3 -0.4 2000 171 5 157 1| 0.0 0.7 0.7| 4.4 -9.2 -4.8 -2.4 -0.02| 5.8 -0.1 2500 162 4 120 1| 0.0 0.9 0.9| 4.6 -9.4 -4.9 -1.9 -0.02| 5.0 -0.1 3000 149 4 95 2| 0.0 1.0 1.0| 4.6 -11.1 -6.6 -2.2 -0.05| 4.5 -0.2 4000 113 4 66 4| 0.5 0.7 1.2| 12.8 -11.7 1.1 0.3 0.08| 4.0 0.3 5000 120 5 72 4| 0.8 0.6 1.4| 17.7 -11.7 6.0 1.2 0.18| 3.8 0.7 6000 147 5 100 2| 0.8 0.5 1.3| 19.8 -11.8 7.9 1.3 0.26| 3.6 0.9 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250423.12.gif