UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062200.upa.cvt Date: 0000Z 22 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 22 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 1005 6 26.0 24.6 92 1.4 25.0 15 1 298.7 302.3 298.0 356.3 19.73 1 1000 54 25.6 24.5 94 1.1 24.8 25 1 298.8 302.3 298.0 356.3 19.71 2 963 388 25.8 24.0 90 1.8 24.5 107 12 302.2 305.8 298.9 361.1 19.87 3 925 743 23.8 22.6 93 1.2 22.9 195 23 303.6 307.2 298.7 360.2 18.98 4 850 1481 20.4 16.6 79 3.8 17.8 200 21 307.5 310.2 296.7 350.1 14.12 5 835 1635 20.0 15.9 77 4.1 17.2 202 21 308.7 311.2 296.7 350.3 13.74 6 700 3134 10.6 9.8 95 0.8 10.1 225 19 314.2 316.3 296.3 348.2 10.94 7 675 3437 8.8 8.5 98 0.3 8.6 225 19 315.5 317.5 296.2 347.9 10.38 8 598 4436 4.0 4.0 100 0.0 4.0 225 17 321.1 322.7 296.3 348.5 8.57 9 514 5659 -1.7 -1.7 100 0.0 -1.7 225 15 328.4 329.7 296.7 350.2 6.59 10 512 5691 -1.7 -5.1 78 3.4 -3.4 225 15 328.7 329.8 295.7 345.8 5.12 11 505 5801 -2.1 -3.8 88 1.7 -3.0 225 15 329.5 330.7 296.3 348.7 5.73 12 500 5880 -2.7 -4.7 86 2.0 -3.7 225 15 329.7 330.8 296.1 347.8 5.41 13 490 6039 -3.3 -7.0 76 3.7 -5.1 222 16 330.9 331.9 295.8 346.6 4.62 14 486 6104 -2.7 -8.7 63 6.0 -5.5 221 16 332.4 333.3 295.8 346.4 4.08 15 482 6169 -3.1 -10.1 58 7.0 -6.3 220 16 332.7 333.5 295.6 345.4 3.68 16 432 7022 -10.3 -10.7 97 0.4 -10.5 205 19 334.2 335.0 296.1 347.7 3.92 17 411 7403 -12.1 -12.1 100 0.0 -12.1 199 20 336.6 337.4 296.5 349.5 3.68 18 400 7610 -12.9 -12.9 100 0.0 -12.9 195 21 338.2 339.0 296.8 350.7 3.55 19 324 9188 -21.9 -24.4 80 2.5 -22.6 114 17 346.8 347.2 297.3 352.9 1.64 20 309 9535 -24.1 -27.6 73 3.5 -25.0 96 16 348.5 348.7 297.4 353.3 1.28 21 300 9750 -25.7 -28.6 77 2.9 -26.4 85 15 349.2 349.4 297.4 353.8 1.20 22 277 10326 -30.1 -32.7 78 2.6 -30.6 48 12 350.9 351.1 297.5 354.3 0.88 23 250 11050 -36.3 -39.2 74 2.9 -36.7 360 7 352.1 352.2 297.5 354.2 0.51 24 223 11829 -43.1 -45.9 74 2.8 -43.3 23 12 353.4 353.4 297.6 354.5 0.28 25 200 12550 -49.3 -53.1 64 3.8 -49.5 45 17 354.7 354.7 297.8 355.3 0.14 26 179 13268 -55.7 -59.3 64 3.6 -55.8 53 26 355.7 355.7 297.9 356.0 0.07 27 159 14012 -62.7 -67.7 51 5.0 -62.8 61 35 356.1 356.1 298.0 356.2 0.03 28 150 14370 -64.7 -71.7 38 7.0 -64.8 65 40 358.6 358.6 298.4 358.7 0.02 29 142 14702 -67.7 -75.7 31 8.0 -67.8 63 40 359.0 359.0 298.5 359.1 0.01 30 129 15272 -72.7 -78.7 40 6.0 -72.7 60 41 360.1 360.1 298.7 360.1 0.01 31 122 15598 -74.3 -83.3 24 9.0 -74.3 58 41 362.9 362.9 299.2 362.9 0.00 32 111 16143 -77.9 -83.9 37 6.0 -77.9 55 42 366.1 366.1 299.9 366.1 0.00 33 100 16740 -77.9 -84.9 31 7.0 -77.9 65 25 377.2 377.2 301.8 377.2 0.00 TRP 111 16143 -77.9 -83.9 37 6.0 -77.9 55 42 366.1 366.1 299.9 366.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5826.00 m Freezing level: 539.05 mb = 5294.59 m = 17370.49 ft Wetbulb zero: 539.12 mb = 5273.74 m = 17302.10 ft Precipitable water: 2.79 inches Sfc-500 mean rel hum: 92.26 % Est. max temperature: 34.54 C = 94.17 F Sfc-Lift cond lev (LCL): 985.23 mb = 185.78 m = 609.51 ft T: 25.68 C 700-500 lapse rate: 4.84 C/km ThetaE index: 10.93 C Layer 925.0- 835.0 mb Conv cond level (CCL): 891.60 mb = 1063.96 m = 3490.64 ft Mean mixing ratio: 19.34 g/kg Conv temperature: 32.61 C = 90.70 F Cap Strength: 1.17 C Lifted Index: -2.90 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.17 C Lifted Index @700 mb: -2.43 C Showalter Index: 0.21 C Risk: Thunderstorms probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.30 C K Index: 38.90 Risk: > 80 % chance of thunderstorms Sweat Index: 334.03 Risk: Showers and thunderstorms possible Energy Index: -0.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1241.24 J/kg Max Up Vert Vel: 49.82 m/s Conv Inhibition (B-): 34.88 J/kg Cap Strength: 1.17 C Lift Cond Lev (LCL): 934.22 mb = 655.53 m = 2150.67 ft Lev Free Conv (LFC): 799.22 mb = 2007.30 m = 6585.56 ft Equ Level (EL): 129.22 mb = 15262.46 m = 50073.07 ft B at Equ Level: 1223.27 J/kg Wind level data Storm motion: 245 at 13 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 1005 6 15 1 -0.3 -1.0 | 62 14 -12.3 -6.6 1 1000 54 25 1 -0.4 -0.9 | 62 14 -12.4 -6.6 2 925 743 195 23 6.0 22.2 | 160 18 -6.1 16.6 3 850 1481 200 21 7.2 19.7 | 161 15 -4.8 14.1 4 700 3134 225 19 13.4 13.4 | 190 8 1.4 7.8 5 500 5880 225 15 10.6 10.6 | 164 5 -1.4 5.0 6 400 7610 195 21 5.4 20.3 | 156 16 -6.6 14.6 7 300 9750 85 15 -14.9 -1.3 | 76 28 -27.0 -7.0 8 250 11050 360 7 -0.0 -7.0 | 44 17 -12.0 -12.7 9 200 12550 45 17 -12.0 -12.0 | 54 30 -24.0 -17.7 10 150 14370 65 40 -36.3 -16.9 | 65 53 -48.3 -22.6 11 111 16143 55 42 -34.4 -24.1 | 57 55 -46.4 -29.7 12 100 16740 65 25 -22.7 -10.6 | 65 38 -34.7 -16.2 Wind Parameters Mean winds (0-6000m): 214.8 at 17.7 knts Storm direction: 244.8 at 13.3 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 125.6 deg Storm rel helicity (0-3000m) pos: 221.5 neg: -1.3 tot: 220.2 m^2/s^2 ave: 73.4 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 7.2 10^-3/s Energy-Hel index: 1.65 Bulk Rich Number: 27.91 Bulk Shear: 44.47 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 ------------------------------------------------------------------------------- 500 132 8 88 18| 16.4 0.0 16.4| 96.4 -1.3 95.1 190.3 0.74| 22.7 16.8 1000 195 14 134 12| 12.0 0.0 12.0|204.9 -1.3 203.6 203.6 0.83| 22.6 18.8 1500 197 17 145 13| 7.5 0.0 7.5|206.0 -1.3 204.7 136.4 0.81| 15.7 12.7 2000 199 18 150 13| 5.5 0.0 5.5|212.2 -1.3 210.9 105.5 0.79| 12.5 9.9 2500 202 18 155 12| 4.3 0.0 4.3|217.3 -1.3 216.0 86.4 0.78| 10.6 8.3 3000 205 18 159 12| 3.4 0.0 3.4|221.5 -1.3 220.2 73.4 0.78| 9.3 7.2 4000 210 18 164 11| 2.5 0.1 2.6|222.3 -2.7 219.6 54.9 0.75| 7.2 5.4 5000 213 18 167 10| 2.0 0.2 2.2|222.3 -4.4 217.9 43.6 0.71| 5.9 4.2 6000 215 18 168 9| 1.7 0.3 1.9|222.4 -5.9 216.5 36.1 0.67| 5.1 3.4 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250622.00.gif