UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for X2618... Searching the city database file for: X2618 ... Date:0000Z 29 APR 25 Station: X2618 WMO ident: 32618 Latitude: 55.20 Longitude: 165.98 ------------------------------------------------------------------------------- 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 1015 18 2.6 -4.4 60 7.0 -0.0 245 5 274.6 275.0 272.3 282.1 2.71 1 1000 138 0.6 -9.4 47 10.0 -2.6 235 9 273.8 274.1 270.5 279.0 1.87 2 983 275 -1.3 -9.3 54 8.0 -3.8 250 9 273.2 273.5 270.2 278.5 1.92 3 956 497 -2.3 -11.3 50 9.0 -5.0 275 8 274.4 274.6 270.6 279.1 1.68 4 925 757 -5.1 -13.1 53 8.0 -7.3 305 7 274.1 274.3 270.1 278.4 1.50 5 896 1006 -7.9 -13.9 62 6.0 -9.5 299 7 273.7 274.0 269.8 277.8 1.45 6 859 1333 -9.9 -18.9 48 9.0 -11.9 292 7 274.9 275.1 269.8 277.8 1.00 7 850 1414 -10.5 -18.5 52 8.0 -12.3 290 7 275.1 275.3 270.0 278.2 1.04 8 711 2765 -19.7 -23.4 72 3.7 -20.3 295 20 279.4 279.6 272.2 281.9 0.81 9 700 2881 -18.1 -23.1 65 5.0 -19.0 295 21 282.4 282.6 274.0 285.0 0.85 10 698 2902 -18.1 -23.1 65 5.0 -19.0 295 21 282.7 282.8 274.2 285.2 0.85 11 666 3251 -19.9 -31.9 34 12.0 -21.5 294 23 284.5 284.5 274.4 285.7 0.40 12 606 3945 -24.1 -30.1 58 6.0 -24.9 293 26 287.4 287.5 276.2 289.0 0.52 13 500 5320 -33.1 -43.1 36 10.0 -33.8 290 33 292.7 292.7 278.3 293.3 0.17 14 498 5348 -33.1 -43.1 36 10.0 -33.8 290 33 293.0 293.0 278.4 293.6 0.17 15 482 5577 -35.1 -47.1 28 12.0 -35.8 289 32 293.3 293.3 278.4 293.7 0.11 16 400 6850 -44.7 -54.7 32 10.0 -45.0 285 27 296.9 296.9 280.0 297.1 0.06 17 382 7156 -46.9 -56.9 31 10.0 -47.1 281 29 297.9 297.9 280.5 298.1 0.05 18 329 8138 -50.3 -61.3 26 11.0 -50.5 270 36 306.3 306.3 284.0 306.4 0.03 19 300 8740 -50.3 -62.3 23 12.0 -50.5 270 31 314.5 314.5 286.9 314.6 0.03 20 298 8784 -50.9 -62.9 23 12.0 -51.1 270 31 314.2 314.2 286.8 314.3 0.03 21 250 9940 -48.9 -63.9 16 15.0 -49.3 270 27 333.4 333.4 292.7 333.5 0.03 22 208 11150 -45.7 -64.7 10 19.0 -46.4 278 24 356.4 356.4 298.0 356.5 0.03 23 200 11410 -46.7 -66.7 8 20.0 -47.3 280 23 358.8 358.8 298.5 358.9 0.02 24 150 13320 -47.5 -71.5 5 24.0 -48.3 270 23 388.2 388.2 303.5 388.3 0.02 25 100 15980 -51.3 -74.3 5 23.0 -52.1 270 19 428.6 428.6 308.7 428.7 0.02 26 73 18027 -50.7 -73.7 5 23.0 -51.8 252 14 470.2 470.2 312.7 470.4 0.02 27 70 18300 -51.5 -74.5 5 23.0 -52.5 250 13 474.2 474.2 313.0 474.3 0.02 28 57 19625 -53.5 -76.5 4 23.0 -54.5 262 11 498.4 498.4 314.8 498.5 0.02 29 50 20470 -51.9 -74.9 5 23.0 -53.2 270 9 521.2 521.2 316.4 521.4 0.03 30 30 23790 -51.1 -74.1 5 23.0 -53.3 190 11 605.3 605.4 320.9 605.7 0.06 31 26 24723 -49.3 -73.3 4 24.0 -52.2 183 10 635.7 635.8 322.2 636.3 0.07 32 20 26430 -52.1 -75.1 5 23.0 -54.9 170 7 676.7 676.7 323.7 677.3 0.07 33 18 27111 -52.7 -75.7 5 23.0 -55.5 695.5 695.5 324.3 696.1 0.07 34 13 29241 -46.7 -70.7 5 24.0 -52.4 784.1 784.2 326.9 786.2 0.21 TRP 329 8138 -50.3 -61.3 26 11.0 -50.5 270 36 306.3 306.3 284.0 306.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5182.00 m Freezing level: 994.63 mb = 181.30 m = 594.80 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 52.91 % Est. max temperature: 2.77 C = 36.98 F Sfc-Lift cond lev (LCL): 910.33 mb = 881.97 m = 2893.57 ft T: -6.51 C 700-500 lapse rate: 6.15 C/km ThetaE index: 3.53 C Layer 1000.0- 956.0 mb Conv cond level (CCL): 817.56 mb = 1708.38 m = 5604.87 ft Mean mixing ratio: 1.79 g/kg Conv temperature: 4.13 C = 39.43 F Cap Strength: 8.40 C Lifted Index: 11.65 C Risk: None Lifted Index @300 mb: 25.15 C Lifted Index @700 mb: 5.32 C Showalter Index: 12.23 C Risk: None Total Totals Index: 37.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 14.60 C K Index: -0.90 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.20 J/kg Max Up Vert Vel: 2.90 m/s Conv Inhibition (B-): 69269.72 J/kg Cap Strength: 11.49 C Lift Cond Lev (LCL): 844.64 mb = 1461.82 m = 4795.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 321 at 15 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 1015 18 245 5 4.5 2.1 | 160 15 -5.0 13.8 1 1000 138 235 9 7.4 5.2 | 173 17 -2.2 16.8 2 925 757 305 7 5.7 -4.0 | 154 9 -3.8 7.7 3 850 1414 290 7 6.6 -2.4 | 162 10 -3.0 9.3 4 700 2881 295 21 19.0 -8.9 | 254 10 9.5 2.8 5 500 5320 290 33 31.0 -11.3 | 269 21 21.5 0.4 6 400 6850 285 27 26.1 -7.0 | 254 17 16.5 4.7 7 329 8138 270 36 36.0 -0.0 | 246 29 26.5 11.7 8 300 8740 270 31 31.0 -0.0 | 241 24 21.5 11.7 9 250 9940 270 27 27.0 -0.0 | 236 21 17.5 11.7 10 200 11410 280 23 22.7 -4.0 | 240 15 13.1 7.7 11 150 13320 270 23 23.0 -0.0 | 229 18 13.5 11.7 12 100 15980 270 19 19.0 -0.0 | 219 15 9.5 11.7 13 70 18300 250 13 12.2 4.4 | 189 16 2.7 16.1 14 50 20470 270 9 9.0 -0.0 | 177 12 -0.5 11.7 15 30 23790 190 11 1.9 10.8 | 161 24 -7.6 22.5 16 20 26430 170 7 -1.2 6.9 | 150 21 -10.8 18.6 Wind Parameters Mean winds (0-6000m): 290.7 at 20.1 knts Storm direction: 320.7 at 15.1 knts Shear (0-3000m) pos: 3.1 neg: 0.3 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 95.6 deg Storm rel helicity (0-3000m) pos: 46.8 neg: -9.0 tot: 37.8 m^2/s^2 ave: 12.6 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 28.94 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 ------------------------------------------------------------------------------- 500 251 8 172 14| 4.6 0.0 4.6| 15.9 -2.7 13.2 26.4 0.31| 9.9 3.1 1000 272 8 170 12| 3.0 0.0 3.0| 17.0 -9.0 7.9 7.9 0.07| 7.0 0.5 1500 280 7 168 11| 2.0 0.5 2.5| 20.8 -9.0 11.8 7.8 0.16| 5.4 0.8 2000 284 8 171 10| 2.5 0.4 2.9| 30.0 -9.0 20.9 10.5 0.33| 5.3 1.8 2500 287 10 178 9| 2.9 0.3 3.2| 39.1 -9.0 30.0 12.0 0.46| 5.2 2.4 3000 290 11 188 8| 3.1 0.3 3.4| 46.8 -9.0 37.8 12.6 0.50| 5.0 2.5 4000 291 14 212 8| 2.3 0.8 3.1| 53.3 -9.0 44.2 11.1 0.49| 4.4 2.1 5000 291 18 232 9| 1.9 1.2 3.0| 58.4 -9.0 49.4 9.9 0.45| 4.1 1.8 6000 291 20 244 10| 1.6 0.9 2.5| 59.6 -21.1 38.6 6.4 0.36| 3.8 1.4 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20250429.00.gif