UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for VVVH... Searching the city database file for: VVVH ... Date:0000Z 19 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 1005 6 27.6 23.1 77 4.5 24.3 180 3 300.3 303.6 297.3 353.1 17.98 1 1000 46 27.4 22.8 76 4.6 24.0 180 5 300.5 303.8 297.2 352.6 17.74 2 973 290 29.8 19.8 55 10.0 22.6 203 6 305.3 308.1 296.7 350.5 15.11 3 925 741 27.4 17.4 54 10.0 20.4 245 9 307.3 309.9 296.3 348.5 13.64 4 850 1485 22.8 14.8 61 8.0 17.3 250 15 310.0 312.4 296.3 348.3 12.55 5 798 2032 19.0 12.0 64 7.0 14.4 242 14 311.6 313.7 295.7 345.8 11.11 6 700 3143 10.2 8.5 89 1.7 9.1 225 11 313.8 315.7 295.5 344.8 10.01 7 666 3556 7.2 6.3 94 0.9 6.6 226 12 314.9 316.6 295.1 343.1 9.03 8 585 4615 2.0 0.1 87 1.9 1.0 230 14 320.7 322.0 294.8 342.0 6.61 9 541 5245 -0.7 -3.8 79 3.1 -2.3 233 16 324.8 325.8 294.9 342.4 5.35 10 500 5870 -5.9 -5.9 100 0.0 -5.9 235 17 325.8 326.8 294.8 342.2 4.93 11 497 5917 -6.1 -6.1 100 0.0 -6.1 235 17 326.2 327.1 294.9 342.4 4.89 12 494 5965 -4.3 -9.0 70 4.7 -6.5 234 17 328.9 329.7 294.8 342.2 3.92 13 454 6624 -9.5 -10.5 92 1.0 -9.9 231 19 330.5 331.2 295.1 343.3 3.79 14 431 7024 -12.3 -15.5 77 3.2 -13.5 228 20 331.8 332.4 294.6 341.1 2.66 15 428 7077 -12.9 -13.3 97 0.4 -13.0 228 20 331.7 332.4 295.0 342.8 3.21 16 411 7385 -15.3 -15.3 100 0.0 -15.3 226 21 332.5 333.1 294.9 342.3 2.83 17 400 7590 -14.9 -17.4 81 2.5 -15.8 225 21 335.6 336.1 295.3 344.2 2.44 18 394 7705 -15.5 -18.3 79 2.8 -16.4 227 21 336.3 336.8 295.4 344.4 2.30 19 386 7859 -16.5 -21.2 67 4.7 -18.0 229 22 337.0 337.3 295.1 343.5 1.82 20 380 7977 -17.3 -20.0 79 2.7 -18.2 230 22 337.4 337.8 295.4 344.8 2.06 21 326 9111 -25.5 -28.2 78 2.7 -26.1 246 27 341.2 341.5 295.6 345.5 1.15 22 317 9314 -26.7 -31.5 64 4.8 -27.6 249 27 342.3 342.5 295.7 345.6 0.87 23 313 9405 -27.5 -43.5 20 16.0 -29.6 251 28 342.4 342.5 295.1 343.5 0.26 24 307 9545 -28.5 -47.5 14 19.0 -30.6 253 28 342.9 343.0 295.2 343.6 0.17 25 300 9710 -29.9 -47.9 16 18.0 -31.8 255 29 343.2 343.3 295.3 343.9 0.17 26 281 10172 -32.9 -54.9 9 22.0 -34.6 257 28 345.4 345.4 295.7 345.7 0.08 27 280 10197 -32.9 -46.9 23 14.0 -34.3 257 28 345.8 345.8 295.8 346.6 0.20 28 266 10554 -36.3 -52.3 18 16.0 -37.5 258 28 345.9 345.9 295.8 346.4 0.11 29 264 10606 -36.5 -45.5 39 9.0 -37.4 259 28 346.4 346.4 296.0 347.4 0.25 30 263 10632 -36.7 -51.7 20 15.0 -37.8 259 28 346.4 346.5 296.0 347.0 0.12 31 258 10764 -37.7 -44.7 48 7.0 -38.4 259 27 346.9 346.9 296.2 348.0 0.28 32 256 10818 -38.1 -50.1 27 12.0 -39.0 259 27 347.1 347.1 296.1 347.7 0.15 33 254 10871 -38.3 -45.3 48 7.0 -38.9 260 27 347.5 347.6 296.3 348.6 0.26 34 250 10980 -39.3 -47.3 42 8.0 -39.9 260 27 347.6 347.7 296.3 348.5 0.21 35 200 12470 -51.7 -60.7 33 9.0 -52.0 260 31 350.9 350.9 296.9 351.1 0.05 36 199 12502 -51.9 -60.9 33 9.0 -52.2 260 31 351.1 351.1 296.9 351.3 0.05 37 177 13250 -58.5 -61.9 65 3.4 -58.6 264 29 352.2 352.2 297.1 352.4 0.05 38 171 13466 -60.3 -64.8 55 4.5 -60.4 265 29 352.7 352.7 297.3 352.9 0.04 39 168 13576 -61.1 -67.1 45 6.0 -61.2 266 29 353.2 353.2 297.3 353.3 0.03 40 157 13993 -64.5 -68.7 56 4.2 -64.6 268 28 354.3 354.3 297.5 354.4 0.02 41 150 14270 -66.5 -73.5 37 7.0 -66.5 270 27 355.5 355.5 297.8 355.6 0.01 42 145 14474 -67.9 -77.9 23 10.0 -67.9 260 26 356.6 356.6 298.0 356.6 0.01 43 143 14557 -67.5 -80.5 14 13.0 -67.6 256 25 358.7 358.7 298.4 358.7 0.00 44 126 15307 -73.1 -78.1 46 5.0 -73.1 218 20 361.8 361.8 299.1 361.8 0.01 45 109 16142 -78.7 -83.0 49 4.3 -78.7 176 14 366.5 366.5 299.9 366.5 0.00 46 107 16247 -79.5 -84.1 46 4.6 -79.5 170 14 367.0 367.0 300.0 367.0 0.00 47 100 16630 -79.1 -87.1 26 8.0 -79.1 150 11 374.9 374.9 301.4 374.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5824.00 m Freezing level: 552.41 mb = 5081.62 m = 16671.79 ft Wetbulb zero: 572.16 mb = 4793.95 m = 15728.00 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 76.86 % Est. max temperature: 37.14 C = 98.85 F Sfc-Lift cond lev (LCL): 941.72 mb = 581.31 m = 1907.16 ft T: 28.25 C 700-500 lapse rate: 5.90 C/km ThetaE index: 11.08 C Layer 1000.0- 541.0 mb Conv cond level (CCL): 759.34 mb = 2453.20 m = 8048.47 ft Mean mixing ratio: 14.89 g/kg Conv temperature: 39.77 C = 103.58 F Cap Strength: 4.71 C Lifted Index: -2.99 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.56 C Lifted Index @700 mb: -0.43 C Showalter Index: -2.35 C Risk: Severe thunderstorms possible Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 20.70 C K Index: 41.80 Risk: > 80 % chance of thunderstorms Sweat Index: 232.60 Risk: None Energy Index: -1.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 510.87 J/kg Max Up Vert Vel: 31.96 m/s Conv Inhibition (B-): 224.51 J/kg Cap Strength: 4.71 C Lift Cond Lev (LCL): 837.97 mb = 1608.56 m = 5277.36 ft Lev Free Conv (LFC): 702.97 mb = 3107.12 m = 10193.83 ft Equ Level (EL): 232.97 mb = 11451.13 m = 37568.86 ft B at Equ Level: 509.76 J/kg Max Parcel Lev (MPL): 122.97 mb = 15447.08 m = 50678.77 ft Wind level data Storm motion: 265 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 1005 6 180 3 0.0 3.0 | 103 10 -9.5 2.2 1 1000 46 180 5 0.0 5.0 | 114 10 -9.5 4.2 2 925 741 245 9 8.2 3.8 | 155 3 -1.4 3.0 3 850 1485 250 15 14.1 5.1 | 227 6 4.6 4.3 4 700 3143 225 11 7.8 7.8 | 166 7 -1.7 6.9 5 500 5870 235 17 13.9 9.8 | 206 10 4.4 8.9 6 400 7590 225 21 14.8 14.8 | 201 15 5.3 14.0 7 300 9710 255 29 28.0 7.5 | 250 20 18.5 6.7 8 250 10980 260 27 26.6 4.7 | 257 18 17.1 3.8 9 200 12470 260 31 30.5 5.4 | 258 22 21.0 4.5 10 150 14270 270 27 27.0 -0.0 | 273 18 17.5 -0.8 11 100 16630 150 11 -5.5 9.5 | 120 17 -15.0 8.7 Wind Parameters Mean winds (0-6000m): 234.9 at 12.7 knts Storm direction: 264.9 at 9.5 knts Shear (0-3000m) pos: 2.4 neg: 1.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 67.2 deg Storm rel helicity (0-3000m) pos: 20.2 neg: -10.5 tot: 9.7 m^2/s^2 ave: 3.2 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 1.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 59.49 Bulk Shear: 8.59 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 ------------------------------------------------------------------------------- 500 205 6 124 8| 6.0 0.0 6.0| 13.1 0.0 13.1 26.2 0.76| 7.4 5.6 1000 231 8 138 5| 5.3 0.0 5.3| 16.8 0.0 16.8 16.8 0.71| 6.5 4.7 1500 240 10 162 4| 4.9 0.0 4.9| 20.2 0.0 20.2 13.5 0.71| 5.7 4.1 2000 242 11 179 4| 3.6 0.6 4.2| 20.2 -3.7 16.6 8.3 0.51| 4.8 2.5 2500 241 11 184 5| 2.9 0.9 3.8| 20.2 -7.1 13.1 5.2 0.36| 4.3 1.5 3000 240 11 184 5| 2.4 1.1 3.5| 20.2 -10.5 9.7 3.2 0.24| 3.9 1.0 4000 237 11 181 5| 2.0 0.8 2.8| 23.7 -11.2 12.6 3.1 0.28| 3.2 0.9 5000 235 12 183 6| 1.8 0.6 2.5| 28.4 -11.2 17.2 3.4 0.33| 2.8 0.9 6000 235 13 188 7| 1.7 0.5 2.2| 32.7 -11.3 21.4 3.6 0.36| 2.6 0.9 Wrote GIF file: /home/apache/climate/data/raob//VVVH/skewt/VVVH.skewt.20250419.00.gif