UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for VVVH... Searching the city database file for: VVVH ... Date:0000Z 17 APR 25 Station: VVVH WMO ident: 48845 Latitude: 18.70 Longitude: 105.67 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 1006 6 23.8 20.2 80 3.6 21.3 340 1 296.4 299.1 294.2 339.6 14.97 1 1000 57 23.0 20.0 83 3.0 20.9 345 1 296.1 298.8 294.1 339.0 14.88 2 990 145 22.2 19.5 85 2.7 20.4 333 3 296.2 298.8 293.9 338.2 14.56 3 972 305 23.4 17.4 69 6.0 19.3 310 8 299.0 301.3 293.5 336.8 12.97 4 962 397 27.0 19.0 62 8.0 21.3 298 10 303.5 306.2 295.9 346.6 14.52 5 925 744 26.2 19.2 65 7.0 21.2 250 19 306.1 309.0 297.1 352.0 15.31 6 922 773 26.2 19.2 65 7.0 21.2 250 19 306.4 309.3 297.2 352.5 15.36 7 850 1485 22.4 15.4 65 7.0 17.6 250 31 309.6 312.1 296.5 349.3 13.06 8 740 2678 16.0 2.0 39 14.0 8.0 293 21 315.2 316.3 292.8 334.0 5.98 9 700 3148 11.8 2.8 54 9.0 6.6 310 17 315.6 316.8 293.5 336.7 6.70 10 582 4663 1.0 0.1 94 0.9 0.5 263 21 320.1 321.3 294.6 341.4 6.64 11 545 5189 -1.9 -1.9 100 0.0 -1.9 247 23 322.7 323.9 294.9 342.5 6.12 12 500 5870 -5.9 -5.9 100 0.0 -5.9 225 25 325.8 326.8 294.8 342.2 4.93 13 488 6060 -6.5 -6.5 100 0.0 -6.5 226 24 327.4 328.3 295.1 343.5 4.83 14 471 6338 -7.5 -10.1 82 2.6 -8.7 228 22 329.5 330.2 294.8 342.3 3.77 15 463 6471 -6.9 -11.9 67 5.0 -9.1 228 22 331.8 332.5 295.1 343.3 3.32 16 432 7010 -9.9 -14.8 67 4.9 -11.8 232 18 334.7 335.2 295.4 344.5 2.81 17 400 7600 -14.5 -17.5 78 3.0 -15.6 235 15 336.1 336.6 295.4 344.7 2.42 18 334 8938 -24.9 -25.8 92 0.9 -25.1 238 18 339.7 340.0 295.5 344.8 1.40 19 303 9639 -29.3 -35.3 56 6.0 -30.3 240 19 343.1 343.2 295.6 345.5 0.63 20 300 9710 -29.9 -34.9 62 5.0 -30.7 240 19 343.2 343.4 295.7 345.8 0.66 21 284 10098 -33.7 -35.6 83 1.9 -34.0 246 23 343.2 343.4 295.7 345.7 0.65 22 268 10502 -36.7 -41.7 60 5.0 -37.2 252 26 344.6 344.7 295.7 346.0 0.37 23 257 10791 -39.5 -42.8 71 3.3 -39.8 257 29 344.6 344.7 295.7 346.0 0.34 24 252 10926 -39.9 -46.9 47 7.0 -40.5 259 30 346.0 346.0 295.9 346.9 0.22 25 250 10980 -40.5 -46.5 52 6.0 -41.0 260 31 345.9 345.9 295.9 346.8 0.23 26 232 11484 -44.7 -49.6 58 4.9 -45.0 258 35 346.9 347.0 296.1 347.7 0.18 27 200 12460 -52.5 -62.5 29 10.0 -52.8 255 42 349.6 349.6 296.6 349.8 0.04 28 196 12591 -53.7 -66.7 19 13.0 -53.9 256 42 349.7 349.7 296.6 349.9 0.02 29 168 13565 -61.9 -67.9 45 6.0 -62.0 264 38 351.9 351.9 297.1 352.0 0.02 30 165 13677 -62.7 -69.7 38 7.0 -62.8 265 38 352.3 352.3 297.1 352.4 0.02 31 162 13790 -63.5 -72.5 28 9.0 -63.6 266 38 352.8 352.8 297.3 352.9 0.01 32 150 14260 -66.7 -72.7 42 6.0 -66.7 270 36 355.2 355.2 297.7 355.2 0.01 33 139 14714 -70.3 -76.3 41 6.0 -70.4 289 31 356.7 356.7 298.0 356.7 0.01 34 102 16508 -78.7 -86.7 26 8.0 -78.7 5 12 373.5 373.6 301.2 373.6 0.00 35 100 16620 -79.1 -87.1 26 8.0 -79.1 10 11 374.9 374.9 301.4 374.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5813.00 m Freezing level: 569.24 mb = 4844.51 m = 15893.87 ft Wetbulb zero: 574.48 mb = 4767.36 m = 15640.77 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 71.17 % Est. max temperature: 36.71 C = 98.08 F Sfc-Lift cond lev (LCL): 954.58 mb = 465.23 m = 1526.33 ft T: 26.84 C 700-500 lapse rate: 6.50 C/km ThetaE index: 18.49 C Layer 850.0- 700.0 mb Conv cond level (CCL): 727.58 mb = 2821.44 m = 9256.57 ft Mean mixing ratio: 14.63 g/kg Conv temperature: 42.67 C = 108.81 F Cap Strength: 6.06 C Lifted Index: -1.29 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.02 C Lifted Index @700 mb: 2.46 C Showalter Index: -2.70 C Risk: Severe thunderstorms possible Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 21.30 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 283.80 Risk: None Energy Index: -1.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 122.41 J/kg Max Up Vert Vel: 15.65 m/s Conv Inhibition (B-): 465.53 J/kg Cap Strength: 6.06 C Lift Cond Lev (LCL): 873.44 mb = 1246.65 m = 4090.01 ft Lev Free Conv (LFC): 608.44 mb = 4298.53 m = 14102.63 ft Equ Level (EL): 468.44 mb = 6380.22 m = 20932.21 ft B at Equ Level: 119.07 J/kg Max Parcel Lev (MPL): 248.44 mb = 11022.19 m = 36161.61 ft Wind level data Storm motion: 289 at 16 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 1006 6 340 1 0.3 -0.9 | 106 15 -14.5 4.3 1 1000 57 345 1 0.3 -1.0 | 106 15 -14.6 4.2 2 925 744 250 19 17.9 6.5 | 194 12 3.0 11.7 3 850 1485 250 31 29.1 10.6 | 222 21 14.3 15.8 4 700 3148 310 17 13.0 -10.9 | 18 6 -1.8 -5.7 5 500 5870 225 25 17.7 17.7 | 187 23 2.8 22.9 6 400 7600 235 15 12.3 8.6 | 169 14 -2.6 13.8 7 300 9710 240 19 16.5 9.5 | 186 15 1.6 14.7 8 250 10980 260 31 30.5 5.4 | 236 19 15.7 10.6 9 200 12460 255 42 40.6 10.9 | 238 30 25.7 16.1 10 150 14260 270 36 36.0 -0.0 | 256 22 21.1 5.2 11 100 16620 10 11 -1.9 -10.8 | 71 18 -16.8 -5.6 Wind Parameters Mean winds (0-6000m): 259.3 at 21.0 knts Storm direction: 289.3 at 15.8 knts Shear (0-3000m) pos: 3.4 neg: 4.0 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): -107.0 deg Storm rel helicity (0-3000m) pos: 95.8 neg: -11.2 tot: 84.6 m^2/s^2 ave: 28.2 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 5.6 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 3.72 Bulk Shear: 32.91 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 ------------------------------------------------------------------------------- 500 288 6 110 9| 0.0 12.6 12.6| 4.3 -11.2 -6.9 -13.9 0.03| 14.7 0.4 1000 252 12 161 10| 0.0 12.0 12.0| 21.0 -11.2 9.8 9.8 0.29| 15.2 4.4 1500 251 17 188 11| 2.6 8.0 10.6| 42.9 -11.2 31.7 21.2 0.36| 12.7 4.5 2000 254 20 202 12| 2.3 6.0 8.2| 70.5 -11.2 59.3 29.7 0.41| 12.1 5.0 2500 258 21 211 11| 3.0 4.8 7.8| 85.8 -11.2 74.6 29.8 0.45| 11.5 5.2 3000 262 21 216 10| 3.4 4.0 7.4| 95.8 -11.2 84.6 28.2 0.51| 10.9 5.6 4000 269 20 224 8| 2.5 3.8 6.3| 97.9 -18.3 79.6 19.9 0.36| 9.5 3.4 5000 267 20 222 8| 2.0 3.9 6.0| 97.9 -33.8 64.1 12.8 0.23| 8.8 2.1 6000 259 21 212 11| 1.7 3.7 5.4| 97.9 -68.1 29.7 5.0 0.13| 8.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//VVVH/skewt/VVVH.skewt.20250417.00.gif