UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for DA680... Searching the city database file for: DA680 ... Date:0000Z 16 APR 25 Station: DA680 WMO ident: 60680 Latitude: 22.78 Longitude: 5.52 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 62 1 925 770 SFC 865 1363 24.0 -3.0 16 27.0 10.0 290 4 309.7 310.4 289.0 320.9 3.54 3 860 1414 25.8 -1.2 17 27.0 11.2 287 7 312.1 312.9 290.3 325.0 4.07 4 850 1518 25.2 -1.8 17 27.0 10.7 280 12 312.5 313.3 290.3 325.0 3.94 5 700 3177 10.8 -7.2 28 18.0 2.3 230 28 314.4 315.1 290.2 324.7 3.18 6 647 3826 5.0 -9.0 36 14.0 -1.2 234 31 315.0 315.6 290.2 324.7 2.99 7 582 4677 -2.7 -6.5 75 3.8 -4.4 238 35 315.7 316.5 291.3 328.7 4.04 8 575 4773 -3.3 -9.3 63 6.0 -5.8 239 36 316.1 316.8 290.8 326.8 3.29 9 500 5860 -12.5 -12.9 97 0.4 -12.6 245 41 317.8 318.3 290.9 327.1 2.83 10 498 5891 -12.9 -13.3 97 0.4 -13.0 245 41 317.7 318.2 290.8 326.7 2.75 11 483 6123 -14.3 -14.4 99 0.1 -14.3 247 41 318.7 319.2 290.9 327.3 2.60 12 469 6345 -14.7 -16.7 85 2.0 -15.3 248 40 320.9 321.4 291.2 328.4 2.21 13 468 6361 -14.9 -18.6 73 3.7 -16.0 248 40 320.9 321.3 290.9 327.3 1.88 14 463 6442 -14.9 -37.9 12 23.0 -18.9 248 40 321.9 321.9 289.7 323.0 0.32 15 440 6825 -17.7 -47.7 5 30.0 -21.5 251 40 323.1 323.1 289.8 323.5 0.12 16 400 7530 -23.1 -45.1 11 22.0 -25.7 255 39 325.0 325.0 290.5 325.6 0.17 17 398 7567 -23.3 -46.3 10 23.0 -25.9 255 40 325.2 325.2 290.5 325.8 0.15 18 394 7640 -23.7 -34.7 36 11.0 -25.5 255 41 325.6 325.7 291.0 327.5 0.51 19 372 8057 -27.5 -37.5 38 10.0 -28.9 256 47 325.9 326.0 291.0 327.5 0.41 20 356 8372 -29.1 -32.6 72 3.5 -29.7 257 51 327.9 328.1 291.8 330.4 0.69 21 310 9344 -37.1 -38.2 89 1.1 -37.2 259 66 330.0 330.1 292.2 331.7 0.46 22 300 9570 -38.7 -42.7 66 4.0 -39.1 260 69 330.8 330.9 292.2 332.0 0.30 23 299 9593 -38.9 -43.2 64 4.3 -39.3 260 70 330.9 330.9 292.2 331.9 0.28 24 297 9639 -39.1 -45.1 53 6.0 -39.6 261 71 331.2 331.3 292.3 332.1 0.23 25 296 9662 -38.9 -51.9 24 13.0 -39.7 261 71 331.8 331.8 292.3 332.2 0.11 26 291 9779 -38.9 -56.9 13 18.0 -39.8 263 75 333.4 333.4 292.7 333.7 0.06 27 279 10069 -37.9 -67.9 3 30.0 -39.1 266 82 338.9 338.9 294.1 339.0 0.01 28 250 10820 -41.5 -67.5 4 26.0 -42.4 275 102 344.4 344.4 295.4 344.4 0.02 29 229 11411 -46.2 -69.1 6 22.9 -46.9 275 108 345.9 345.9 295.7 346.0 0.02 30 200 12300 -53.5 -71.5 9 18.0 -53.8 270 102 348.0 348.0 296.2 348.1 0.01 31 196 12430 -54.5 -72.5 9 18.0 -54.8 270 100 348.5 348.5 296.3 348.5 0.01 32 150 14120 -61.1 -83.1 4 22.0 -61.3 270 77 364.8 364.8 299.6 364.8 0.00 33 143 14414 -62.3 -84.3 4 22.0 -62.4 267 75 367.7 367.7 300.2 367.8 0.00 34 100 16550 -74.3 -88.3 10 14.0 -74.3 245 56 384.2 384.2 302.9 384.2 0.00 35 88 17288 -77.9 -89.9 13 12.0 -77.9 255 48 391.3 391.3 304.0 391.3 0.00 36 81 17766 -74.9 -89.9 8 15.0 -74.9 235 41 406.8 406.8 306.1 406.8 0.00 37 75 18211 -76.9 -90.9 9 14.0 -76.9 217 34 411.7 411.7 306.7 411.7 0.00 38 70 18610 -74.3 -90.3 7 16.0 -74.3 200 28 425.4 425.4 308.3 425.4 0.00 39 62 19323 -70.9 -90.9 4 20.0 -71.0 198 23 448.0 448.0 310.7 448.0 0.00 40 50 20600 -69.9 -91.9 3 22.0 -70.1 195 13 478.8 478.8 313.4 478.8 0.00 41 47 20968 -69.1 -92.1 2 23.0 -69.3 176 13 489.2 489.2 314.2 489.2 0.00 42 46 21096 -69.5 -92.5 2 23.0 -69.7 169 13 491.3 491.3 314.3 491.3 0.00 43 36 22599 -56.9 -89.9 1 33.0 -58.0 92 14 559.6 559.6 318.6 559.6 0.00 44 30 23760 -53.5 -87.5 1 34.0 -55.4 35 15 598.8 598.8 320.6 598.8 0.01 45 29 23978 -53.3 -87.3 1 34.0 -55.2 605.2 605.2 320.9 605.2 0.01 46 25 24944 -48.9 -84.9 1 36.0 -52.2 644.1 644.1 322.4 644.1 0.01 47 22 25780 -50.7 -85.7 1 35.0 -53.8 662.7 662.7 323.2 662.8 0.01 TRP 88 17288 -77.9 -89.9 13 12.0 -77.9 255 48 391.3 391.3 304.0 391.3 0.00 WND 229 11411 -46.2 -69.1 6 22.9 -46.9 275 108 345.9 345.9 295.7 346.0 0.02 Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 604.79 mb = 4378.75 m = 14365.81 ft Wetbulb zero: 665.25 mb = 3596.58 m = 11799.65 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 45.49 % Est. max temperature: 28.36 C = 83.04 F Sfc-Lift cond lev (LCL): 578.50 mb = 4725.08 m = 15502.05 ft T: -3.00 C 700-500 lapse rate: 8.68 C/km ThetaE index: 0.35 C Layer 700.0- 647.0 mb Conv cond level (CCL): 530.03 mb = 5406.46 m = 17737.50 ft Mean mixing ratio: 3.76 g/kg Conv temperature: 31.11 C = 88.00 F Cap Strength: 2.99 C Lifted Index: 1.28 C Risk: Showers probable Lifted Index @300 mb: 4.93 C Lifted Index @700 mb: 1.37 C Showalter Index: 1.19 C Risk: Showers probable Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 37.70 C Cross Totals Index: 10.70 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 65.00 Risk: None Energy Index: 0.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.18 J/kg Max Up Vert Vel: 3.22 m/s Conv Inhibition (B-): 27052.47 J/kg Cap Strength: 2.99 C Lift Cond Lev (LCL): 560.65 mb = 4969.73 m = 16304.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 at 24 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 ---------------------------------------------------------- 0 865 1363 290 4 3.8 -1.4 | 90 20 -19.9 0.1 1 850 1518 280 12 11.8 -2.1 | 87 12 -11.8 -0.6 2 700 3177 230 28 21.4 18.0 | 174 20 -2.2 19.5 3 500 5860 245 41 37.2 17.3 | 216 23 13.5 18.8 4 400 7530 255 39 37.7 10.1 | 230 18 14.0 11.6 5 300 9570 260 69 68.0 12.0 | 253 46 44.3 13.5 6 250 10820 275 102 101.6 -8.9 | 275 78 78.0 -7.4 7 229 11411 275 108 107.6 -9.4 | 275 84 83.9 -7.9 8 200 12300 270 102 102.0 -0.0 | 269 78 78.3 1.5 9 150 14120 270 77 77.0 -0.0 | 268 53 53.3 1.5 10 100 16550 245 56 50.8 23.7 | 227 37 27.1 25.2 11 88 17288 255 48 46.4 12.4 | 239 27 22.7 13.9 12 70 18610 200 28 9.6 26.3 | 153 31 -14.1 27.8 13 50 20600 195 13 3.4 12.6 | 125 25 -20.3 14.0 14 30 23760 35 15 -8.6 -12.3 | 71 34 -32.3 -10.8 Wind Parameters Mean winds (0-6000m): 243.6 at 31.6 knts Storm direction: 273.6 at 23.7 knts Shear (0-3000m) pos: 1.0 neg: 4.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 102.4 deg Storm rel helicity (0-3000m) pos: 67.6 neg: -3.9 tot: 63.7 m^2/s^2 ave: 21.2 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 66.94 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 ------------------------------------------------------------------------------- 500 276 12 91 12| 0.0 12.0 12.0| 6.0 -3.9 2.1 4.1 0.12| 12.6 1.5 1000 266 15 107 9| 0.0 8.8 8.8| 18.6 -3.9 14.6 14.6 0.41| 9.8 4.0 1500 254 17 133 9| 0.0 7.8 7.8| 29.6 -3.9 25.7 17.1 0.44| 9.1 4.0 2000 244 20 150 12| 0.0 7.0 7.0| 37.5 -3.9 33.6 16.8 0.41| 8.4 3.4 2500 241 22 159 13| 0.6 5.6 6.1| 52.3 -3.9 48.4 19.4 0.46| 7.3 3.3 3000 239 24 166 14| 1.0 4.6 5.6| 67.6 -3.9 63.7 21.2 0.49| 6.6 3.3 4000 240 27 179 15| 1.5 3.5 5.0|100.2 -3.9 96.2 24.1 0.56| 5.7 3.2 5000 241 30 189 16| 1.6 2.8 4.4|126.9 -3.9 123.0 24.6 0.59| 5.1 3.0 6000 244 32 197 16| 1.4 2.3 3.8|143.8 -3.9 139.9 23.3 0.60| 4.6 2.8 Wrote GIF file: /home/apache/climate/data/raob//DA680/skewt/DA680.skewt.20250416.00.gif