UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for DA680... Searching the city database file for: DA680 ... Date:0000Z 20 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 58 1 925 767 SFC 864 1369 20.4 -13.6 9 34.0 6.2 360 6 306.1 306.4 285.7 311.1 1.55 3 863 1379 20.6 -13.4 9 34.0 6.3 358 6 306.4 306.7 285.8 311.5 1.57 4 861 1400 24.4 -13.6 7 38.0 7.9 355 7 310.6 310.9 287.3 315.7 1.55 5 855 1462 25.4 -13.6 7 39.0 8.2 344 10 312.2 312.5 287.9 317.4 1.56 6 850 1515 25.2 -13.8 7 39.0 8.1 335 12 312.5 312.8 288.0 317.7 1.55 7 700 3176 12.2 -9.8 20 22.0 2.2 240 24 316.0 316.5 290.1 324.5 2.59 8 596 4494 0.0 -10.0 47 10.0 -4.3 228 15 316.7 317.3 290.7 326.5 3.00 9 580 4712 -1.5 -14.5 36 13.0 -6.4 226 14 317.4 317.9 290.2 324.6 2.14 10 563 4950 0.8 -34.2 5 35.0 -8.1 224 12 322.9 322.9 290.0 324.3 0.38 11 500 5890 -7.1 -25.1 22 18.0 -12.3 215 6 324.4 324.6 291.1 327.9 1.00 12 428 7077 -18.1 -25.1 54 7.0 -19.8 274 23 325.1 325.3 291.5 329.2 1.16 13 407 7451 -20.3 -28.3 49 8.0 -22.1 293 28 327.0 327.2 291.8 330.2 0.91 14 400 7580 -20.1 -30.1 41 10.0 -22.2 300 30 328.9 329.0 292.2 331.7 0.78 15 392 7729 -19.3 -40.3 14 21.0 -22.7 298 31 331.8 331.9 292.5 332.9 0.29 16 374 8076 -21.5 -48.5 7 27.0 -24.8 293 33 333.4 333.4 292.7 333.9 0.13 17 316 9286 -32.1 -52.1 12 20.0 -33.7 275 41 335.1 335.1 293.2 335.5 0.10 18 300 9650 -34.5 -47.5 26 13.0 -35.6 270 44 336.7 336.8 293.7 337.4 0.17 19 250 10900 -45.5 -49.4 65 3.9 -45.7 270 57 338.4 338.5 294.1 339.1 0.17 20 244 11061 -47.1 -49.4 77 2.3 -47.2 271 59 338.4 338.4 294.1 339.1 0.17 21 242 11116 -47.5 -51.4 64 3.9 -47.7 271 60 338.6 338.6 294.1 339.1 0.14 22 241 11143 -47.7 -55.7 39 8.0 -48.0 271 61 338.7 338.7 294.1 339.0 0.08 23 240 11171 -47.3 -62.3 16 15.0 -47.8 271 61 339.7 339.7 294.3 339.8 0.04 24 237 11254 -46.9 -66.9 8 20.0 -47.4 271 62 341.5 341.5 294.7 341.6 0.02 25 228 11510 -48.7 -58.7 30 10.0 -49.0 272 66 342.6 342.6 295.0 342.8 0.06 26 201 12328 -54.5 -66.5 21 12.0 -54.7 275 79 346.0 346.0 295.7 346.1 0.02 27 200 12360 -54.7 -66.7 21 12.0 -54.9 275 79 346.1 346.1 295.8 346.2 0.02 28 155 13967 -62.0 -81.9 5 20.0 -62.1 270 86 359.9 359.9 298.7 360.0 0.00 29 150 14170 -62.9 -83.9 4 21.0 -63.0 270 83 361.7 361.7 299.0 361.7 0.00 30 139 14638 -64.3 -85.3 4 21.0 -64.4 266 73 367.2 367.2 300.1 367.2 0.00 31 117 15673 -72.3 -87.3 9 15.0 -72.3 258 50 371.0 371.0 300.7 371.0 0.00 32 101 16532 -75.3 -87.3 14 12.0 -75.3 250 30 381.2 381.2 302.4 381.2 0.00 33 100 16590 -74.9 -87.9 12 13.0 -74.9 250 29 383.0 383.0 302.7 383.0 0.00 34 96 16828 -73.5 -88.5 8 15.0 -73.5 243 31 390.2 390.2 303.8 390.3 0.00 35 87 17397 -77.9 -89.9 13 12.0 -77.9 225 37 392.5 392.5 304.2 392.5 0.00 36 77 18093 -79.1 -90.1 15 11.0 -79.1 203 28 404.0 404.0 305.7 404.0 0.00 37 70 18640 -74.9 -90.9 7 16.0 -75.0 185 21 424.1 424.1 308.2 424.2 0.00 38 64 19160 -73.9 -90.9 6 17.0 -74.0 192 20 437.4 437.4 309.6 437.4 0.00 39 59 19640 -68.7 -91.7 2 23.0 -68.9 198 19 459.3 459.3 311.7 459.3 0.00 40 51 20503 -72.1 -92.1 3 20.0 -72.2 209 17 470.9 470.9 312.7 470.9 0.00 41 50 20620 -70.5 -92.5 3 22.0 -70.6 210 17 477.4 477.4 313.2 477.4 0.00 42 48 20865 -66.7 -91.7 2 25.0 -67.0 492.0 492.0 314.4 492.0 0.00 43 43 21531 -65.7 -91.7 2 26.0 -66.0 510.2 510.2 315.7 510.2 0.00 44 42 21676 -61.7 -90.7 1 29.0 -62.3 523.6 523.6 316.5 523.6 0.00 45 41 21825 -61.9 -90.9 1 29.0 -62.4 526.7 526.7 316.7 526.7 0.00 TRP 87 17397 -77.9 -89.9 13 12.0 -77.9 225 37 392.5 392.5 304.2 392.5 0.00 WND 155 13967 -62.0 -81.9 5 20.0 -62.1 270 86 359.9 359.9 298.7 360.0 0.00 Sounding variables and indices 1000-500 mb thick: 5832.00 m Freezing level: 596.00 mb = 4494.22 m = 14744.63 ft Freezing level: 568.91 mb = 4867.06 m = 15967.84 ft Freezing level: 556.62 mb = 5045.09 m = 16551.92 ft Wetbulb zero: 664.08 mb = 3607.73 m = 11836.26 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 21.10 % Est. max temperature: 29.59 C = 85.27 F Sfc-Lift cond lev (LCL): 516.70 mb = 5629.73 m = 18470.01 ft T: -4.91 C 700-500 lapse rate: 7.11 C/km Conv cond level (CCL): 370.94 mb = 8134.64 m = 26688.14 ft Mean mixing ratio: 1.77 g/kg Conv temperature: 46.69 C = 116.04 F Cap Strength: 9.27 C Lifted Index: 9.18 C Risk: None Lifted Index @300 mb: 13.03 C Lifted Index @700 mb: 2.53 C Showalter Index: 9.71 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 32.30 C Cross Totals Index: -6.70 C K Index: -3.50 Risk: None Sweat Index: 30.00 Risk: None Energy Index: 2.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.21 J/kg Max Up Vert Vel: 4.52 m/s Conv Inhibition (B-): 22346.96 J/kg Cap Strength: 8.21 C Lift Cond Lev (LCL): 481.68 mb = 6175.01 m = 20258.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 12 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 ---------------------------------------------------------- 0 864 1369 360 6 -0.0 -6.0 | 77 12 -11.6 -2.8 1 850 1515 335 12 5.1 -10.9 | 40 10 -6.5 -7.7 2 700 3176 240 24 20.8 12.0 | 211 18 9.2 15.2 3 500 5890 215 6 3.4 4.9 | 135 12 -8.2 8.1 4 400 7580 300 30 26.0 -15.0 | 309 19 14.4 -11.8 5 300 9650 270 44 44.0 -0.0 | 264 33 32.4 3.2 6 250 10900 270 57 57.0 -0.0 | 266 46 45.4 3.2 7 200 12360 275 79 78.7 -6.9 | 273 67 67.1 -3.7 8 155 13967 270 86 86.0 -0.0 | 268 74 74.4 3.2 9 150 14170 270 83 83.0 -0.0 | 267 71 71.4 3.2 10 100 16590 250 29 27.3 9.9 | 230 20 15.7 13.1 11 87 17397 225 37 26.2 26.2 | 206 33 14.6 29.4 12 70 18640 185 21 1.8 20.9 | 158 26 -9.8 24.1 13 50 20620 210 17 8.5 14.7 | 170 18 -3.1 17.9 Wind Parameters Mean winds (0-6000m): 255.5 at 16.0 knts Storm direction: 285.5 at 12.0 knts Shear (0-3000m) pos: 0.0 neg: 3.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 105.7 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -115.5 tot: -115.5 m^2/s^2 ave: -38.5 10^-3 m/s^2 rel: -0.86 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -7.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.27 Bulk Shear: 37.92 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 ------------------------------------------------------------------------------- 500 328 12 37 9| 0.0 11.5 11.5| 0.0 -29.6 -29.6 -59.3 -0.91| 12.8-11.7 1000 309 14 5 6| 0.0 9.0 9.0| 0.0 -43.1 -43.1 -43.1 -0.93| 11.0-10.3 1500 286 16 289 4| 0.0 8.2 8.2| 0.0 -62.6 -62.6 -41.7 -0.89| 11.0 -9.7 2000 266 18 234 8| 0.0 6.8 6.8| 0.0 -88.9 -88.9 -44.4 -0.85| 10.5 -9.0 2500 258 18 222 10| 0.0 4.8 4.8| 0.0-102.9-102.9 -41.1 -0.86| 9.2 -7.8 3000 253 18 214 11| 0.0 3.5 3.5| 0.0-115.5-115.5 -38.5 -0.86| 8.3 -7.1 4000 248 17 203 11| 0.0 1.9 1.9| 0.0-137.9-137.9 -34.5 -0.87| 7.1 -6.2 5000 246 15 194 10| 0.8 1.2 2.0| 21.3-148.2-126.9 -25.4 -0.66| 6.8 -4.5 6000 256 16 209 8| 2.2 1.0 3.2| 81.6-148.2 -66.6 -11.1 -0.25| 7.6 -1.9 Wrote GIF file: /home/apache/climate/data/raob//DA680/skewt/DA680.skewt.20250420.00.gif