UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for DA680... Searching the city database file for: DA680 ... Date:0000Z 18 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 70 1 925 781 SFC 866 1364 20.0 -14.0 9 34.0 6.0 50 4 305.5 305.7 285.4 310.3 1.49 3 864 1384 21.8 -13.2 8 35.0 6.9 42 4 307.5 307.8 286.3 312.7 1.60 4 863 1394 25.8 -13.2 7 39.0 8.5 38 5 311.8 312.1 287.8 317.1 1.60 5 850 1531 26.2 -12.8 7 39.0 8.6 345 8 313.6 313.9 288.5 319.1 1.68 6 832 1719 25.2 -9.8 9 35.0 8.6 330 8 314.5 314.9 289.2 321.6 2.18 7 700 3196 11.4 -8.6 24 20.0 2.2 210 12 315.1 315.7 290.1 324.4 2.85 8 599 4468 -0.9 -10.9 47 10.0 -5.0 233 13 315.2 315.8 290.0 324.3 2.78 9 584 4671 1.4 -44.6 2 46.0 -7.9 237 13 320.2 320.2 288.9 320.7 0.12 10 500 5900 -8.1 -45.1 3 37.0 -14.4 260 14 323.2 323.2 289.9 323.7 0.14 11 450 6708 -15.3 -37.3 13 22.0 -19.3 277 17 324.0 324.1 290.3 325.3 0.34 12 419 7245 -18.1 -44.1 8 26.0 -21.8 288 20 327.1 327.1 291.1 327.8 0.18 13 400 7590 -21.1 -45.1 10 24.0 -24.2 295 21 327.6 327.6 291.2 328.2 0.17 14 356 8438 -28.1 -53.1 7 25.0 -30.2 289 24 329.3 329.3 291.6 329.6 0.08 15 301 9617 -38.1 -49.1 31 11.0 -38.9 280 29 331.4 331.4 292.2 331.9 0.15 16 300 9640 -38.3 -49.3 31 11.0 -39.1 280 29 331.4 331.4 292.2 331.9 0.14 17 273 10279 -44.3 -47.7 69 3.4 -44.5 280 34 331.7 331.8 292.4 332.5 0.19 18 269 10377 -44.7 -50.7 51 6.0 -45.0 280 34 332.6 332.6 292.6 333.1 0.14 19 268 10402 -43.1 -83.1 0 40.0 -43.9 280 35 335.3 335.3 293.1 335.3 0.00 20 265 10478 -43.7 -59.7 15 16.0 -44.3 280 35 335.5 335.5 293.2 335.7 0.05 21 260 10606 -41.9 -69.9 3 28.0 -42.8 280 36 339.9 339.9 294.3 340.0 0.01 22 250 10870 -43.1 -71.1 3 28.0 -43.9 280 38 342.0 342.0 294.8 342.0 0.01 23 232 11372 -44.7 -74.7 2 30.0 -45.4 283 41 346.9 346.9 296.0 347.0 0.01 24 200 12350 -51.5 -77.5 3 26.0 -51.9 290 48 351.2 351.2 296.9 351.2 0.00 25 150 14160 -64.5 -83.5 6 19.0 -64.6 295 45 359.0 359.0 298.5 359.0 0.00 26 106 16240 -73.7 -88.7 8 15.0 -73.7 286 26 379.0 379.0 302.1 379.0 0.00 27 100 16580 -74.7 -89.7 8 15.0 -74.7 285 23 383.4 383.4 302.8 383.4 0.00 28 91 17126 -76.5 -89.5 11 13.0 -76.5 315 11 390.3 390.3 303.8 390.3 0.00 29 82 17728 -75.1 -89.1 10 14.0 -75.2 295 17 405.0 405.0 305.9 405.0 0.00 30 75 18242 -78.1 -90.1 13 12.0 -78.1 278 21 409.1 409.1 306.4 409.2 0.00 31 70 18640 -74.1 -90.1 7 16.0 -74.2 265 25 425.9 425.9 308.4 425.9 0.00 32 65 19075 -70.1 -90.1 4 20.0 -70.2 250 22 443.7 443.7 310.3 443.7 0.00 33 62 19355 -70.7 -90.7 4 20.0 -70.8 240 21 448.4 448.4 310.7 448.4 0.00 34 58 19750 -70.1 -92.1 3 22.0 -70.2 226 18 458.4 458.4 311.6 458.4 0.00 35 57 19854 -67.3 -91.3 2 24.0 -67.5 222 18 467.1 467.1 312.4 467.1 0.00 36 51 20521 -68.9 -91.9 2 23.0 -69.1 199 14 478.4 478.4 313.3 478.4 0.00 37 50 20640 -66.7 -91.7 2 25.0 -67.0 195 13 486.3 486.3 314.0 486.3 0.00 38 49 20763 -64.9 -90.9 2 26.0 -65.2 192 13 493.4 493.4 314.5 493.4 0.00 39 43 21555 -67.3 -91.3 2 24.0 -67.5 171 14 506.3 506.3 315.4 506.3 0.00 40 41 21846 -62.5 -91.5 1 29.0 -63.0 164 15 525.2 525.2 316.6 525.2 0.00 41 30 23790 -58.9 -88.9 1 30.0 -59.9 115 18 584.1 584.1 319.9 584.1 0.00 42 27 24460 -53.1 -87.1 1 34.0 -55.2 618.2 618.2 321.4 618.3 0.01 43 25 24958 -51.1 -85.1 1 34.0 -53.8 637.7 637.7 322.2 637.8 0.01 44 23 25498 -53.1 -86.1 1 33.0 -55.5 647.2 647.2 322.6 647.3 0.01 TRP 91 17126 -76.5 -89.5 11 13.0 -76.5 315 11 390.3 390.3 303.8 390.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5830.00 m Freezing level: 606.39 mb = 4375.09 m = 14353.79 ft Freezing level: 593.13 mb = 4547.73 m = 14920.20 ft Freezing level: 571.62 mb = 4852.54 m = 15920.20 ft Wetbulb zero: 669.34 mb = 3561.66 m = 11685.10 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 17.50 % Est. max temperature: 29.21 C = 84.59 F Sfc-Lift cond lev (LCL): 517.62 mb = 5626.09 m = 18458.08 ft T: -5.98 C 700-500 lapse rate: 7.21 C/km Conv cond level (CCL): 417.07 mb = 7279.24 m = 23881.72 ft Mean mixing ratio: 2.15 g/kg Conv temperature: 40.80 C = 105.45 F Cap Strength: 7.49 C Lifted Index: 7.43 C Risk: None Lifted Index @300 mb: 7.79 C Lifted Index @700 mb: 0.90 C Showalter Index: 7.85 C Risk: None Total Totals Index: 29.60 C Risk: None Vertical Totals Index: 34.30 C Cross Totals Index: -4.70 C K Index: 1.50 Risk: None Sweat Index: 30.00 Risk: None Energy Index: 1.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.93 J/kg Max Up Vert Vel: 5.08 m/s Conv Inhibition (B-): 34301.61 J/kg Cap Strength: 5.23 C Lift Cond Lev (LCL): 494.11 mb = 5990.85 m = 19654.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 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 ---------------------------------------------------------- 0 866 1364 50 4 -3.1 -2.6 | 90 13 -12.5 0.0 1 850 1531 345 8 2.1 -7.7 | 55 9 -7.4 -5.1 2 700 3196 210 12 6.0 10.4 | 165 13 -3.5 13.0 3 500 5900 260 14 13.8 2.4 | 221 7 4.3 5.0 4 400 7590 295 21 19.0 -8.9 | 303 11 9.6 -6.3 5 300 9640 280 29 28.6 -5.0 | 277 19 19.1 -2.4 6 250 10870 280 38 37.4 -6.6 | 278 28 28.0 -4.0 7 200 12350 290 48 45.1 -16.4 | 291 38 35.6 -13.8 8 150 14160 295 45 40.8 -19.0 | 298 35 31.3 -16.4 9 100 16580 285 23 22.2 -6.0 | 285 13 12.8 -3.4 10 91 17126 315 11 7.8 -7.8 | 18 5 -1.7 -5.2 11 70 18640 265 25 24.9 2.2 | 253 16 15.4 4.8 12 50 20640 195 13 3.4 12.6 | 158 16 -6.1 15.1 13 30 23790 115 18 -16.3 7.6 | 112 28 -25.8 10.2 Wind Parameters Mean winds (0-6000m): 255.3 at 13.1 knts Storm direction: 285.3 at 9.8 knts Shear (0-3000m) pos: 0.7 neg: 2.7 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 93.3 deg Storm rel helicity (0-3000m) pos: 11.4 neg: -33.6 tot: -22.2 m^2/s^2 ave: -7.4 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.47 Bulk Shear: 27.44 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 ------------------------------------------------------------------------------- 500 339 8 56 8| 0.0 10.1 10.1| 0.0 -22.6 -22.6 -45.2 -0.71| 12.1 -8.6 1000 313 8 45 5| 0.0 6.7 6.7| 0.0 -23.3 -23.2 -23.2 -0.36| 10.0 -3.6 1500 284 9 121 1| 0.0 5.2 5.2| 0.0 -26.1 -26.0 -17.4 -0.33| 9.2 -3.0 2000 249 10 177 6| 0.0 4.1 4.1| 1.2 -33.6 -32.4 -16.2 -0.34| 8.4 -2.8 2500 236 10 174 8| 0.4 3.3 3.7| 6.6 -33.6 -27.1 -10.8 -0.27| 7.1 -1.9 3000 233 11 174 9| 0.7 2.7 3.4| 11.4 -33.6 -22.2 -7.4 -0.21| 6.3 -1.3 4000 237 11 180 9| 1.1 2.1 3.1| 19.9 -33.6 -13.8 -3.4 -0.10| 5.3 -0.6 5000 244 12 190 8| 1.4 1.6 3.1| 29.3 -33.6 -4.3 -0.9 0.02| 4.8 0.1 6000 255 13 208 7| 1.8 1.4 3.2| 44.7 -33.6 11.1 1.8 0.14| 4.7 0.7 Wrote GIF file: /home/apache/climate/data/raob//DA680/skewt/DA680.skewt.20250418.00.gif