UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 20 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 1007 13 -0.3 -2.2 87 1.9 -1.0 315 29 272.3 272.8 271.8 281.0 3.22 1 1000 69 -1.1 -4.1 80 3.0 -2.2 315 31 272.0 272.5 270.9 279.7 2.82 2 936 591 -5.9 -7.9 86 2.0 -6.5 315 33 272.4 272.7 270.2 278.5 2.25 3 925 684 -6.1 -8.0 86 1.9 -6.7 315 33 273.1 273.4 270.7 279.3 2.26 4 850 1342 -8.9 -10.6 87 1.7 -9.4 320 29 276.8 277.2 272.6 282.5 2.00 5 798 1829 -11.1 -13.1 85 2.0 -11.6 320 26 279.5 279.8 273.8 284.5 1.74 6 700 2824 -16.9 -18.7 86 1.8 -17.3 320 21 283.8 284.0 275.3 287.5 1.25 7 647 3410 -20.1 -22.1 84 2.0 -20.5 328 20 286.6 286.8 276.5 289.7 1.00 8 500 5260 -35.5 -38.7 72 3.2 -35.7 355 17 289.8 289.8 277.0 290.6 0.27 9 471 5673 -39.3 -42.5 72 3.2 -39.5 349 17 290.0 290.1 277.0 290.7 0.19 10 433 6246 -42.7 -45.3 76 2.6 -42.8 339 17 292.8 292.8 278.3 293.3 0.15 11 416 6516 -44.3 -47.6 70 3.3 -44.5 335 17 294.1 294.1 278.9 294.5 0.12 12 413 6565 -44.3 -47.7 69 3.4 -44.5 335 17 294.7 294.7 279.1 295.1 0.12 13 400 6780 -43.5 -47.3 66 3.8 -43.7 335 19 298.5 298.5 280.8 298.9 0.13 14 300 8720 -42.7 -51.7 37 9.0 -43.2 295 23 325.2 325.2 290.5 325.6 0.11 15 251 9923 -42.5 -54.5 26 12.0 -43.1 285 19 342.5 342.5 295.0 342.9 0.09 16 250 9950 -42.5 -54.5 26 12.0 -43.1 285 19 342.9 342.9 295.1 343.3 0.09 17 225 10660 -42.3 -55.3 23 13.0 -43.0 285 16 353.7 353.7 297.5 354.1 0.09 18 200 11450 -44.5 -58.5 20 14.0 -45.2 285 13 362.3 362.3 299.2 362.6 0.07 19 192 11723 -46.3 -60.3 19 14.0 -46.9 286 13 363.7 363.7 299.5 363.9 0.06 20 150 13370 -46.1 -62.1 15 16.0 -46.9 290 11 390.6 390.6 303.9 390.9 0.06 21 146 13548 -45.7 -61.7 15 16.0 -46.6 290 11 394.3 394.4 304.5 394.7 0.06 22 130 14307 -50.7 -66.7 13 16.0 -51.3 290 10 398.7 398.7 305.0 398.9 0.04 23 100 16000 -51.7 -67.7 13 16.0 -52.4 290 9 427.8 427.8 308.6 428.1 0.04 24 70 18320 -53.9 -70.9 11 17.0 -54.6 355 13 469.1 469.1 312.6 469.3 0.04 25 60 19310 -54.9 -71.9 10 17.0 -55.7 6 9 488.0 488.0 314.1 488.2 0.04 26 50 20480 -54.3 -72.3 9 18.0 -55.3 20 5 515.5 515.5 316.0 515.8 0.04 27 44 21302 -51.7 -69.7 10 18.0 -53.2 354 6 541.1 541.1 317.6 541.6 0.07 28 30 23770 -53.9 -73.9 7 20.0 -55.6 275 7 597.7 597.7 320.5 598.1 0.06 29 28 24213 -55.3 -74.3 8 19.0 -56.8 244 7 605.7 605.7 320.9 606.2 0.06 30 20 26380 -52.1 -73.1 6 21.0 -54.8 95 5 676.7 676.7 323.7 677.5 0.10 31 12 29726 -46.9 -69.9 6 23.0 -52.7 801.6 801.7 327.3 804.2 0.26 TRP 416 6516 -44.3 -47.6 70 3.3 -44.5 335 17 294.1 294.1 278.9 294.5 0.12 WND Sounding variables and indices 1000-500 mb thick: 5191.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 82.74 % Est. max temperature: 3.86 C = 38.95 F Sfc-Lift cond lev (LCL): 977.45 mb = 249.21 m = 817.62 ft T: -2.76 C 700-500 lapse rate: 7.64 C/km ThetaE index: 2.49 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 892.19 mb = 965.06 m = 3166.15 ft Mean mixing ratio: 2.48 g/kg Conv temperature: 2.07 C = 35.72 F Cap Strength: 8.01 C Lifted Index: 8.95 C Risk: None Lifted Index @300 mb: 32.51 C Lifted Index @700 mb: 6.28 C Showalter Index: 6.49 C Risk: None Total Totals Index: 51.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 24.90 C K Index: 14.20 Risk: None Sweat Index: 125.00 Risk: None Energy Index: 1.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.34 J/kg Max Up Vert Vel: 3.56 m/s Conv Inhibition (B-): 73710.28 J/kg Cap Strength: 8.94 C Lift Cond Lev (LCL): 922.38 mb = 706.09 m = 2316.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 357 at 17 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 1007 13 315 29 20.5 -20.5 | 280 20 19.6 -3.4 1 1000 69 315 31 21.9 -21.9 | 283 22 21.0 -4.9 2 925 684 315 33 23.3 -23.3 | 286 23 22.4 -6.3 3 850 1342 320 29 18.6 -22.2 | 286 18 17.7 -5.1 4 700 2824 320 21 13.5 -16.1 | 266 13 12.6 1.0 5 500 5260 355 17 1.5 -16.9 | 257 1 0.6 0.1 6 416 6516 335 17 7.2 -15.4 | 255 6 6.3 1.7 7 400 6780 335 19 8.0 -17.2 | 271 7 7.1 -0.1 8 300 8720 295 23 20.8 -9.7 | 250 21 19.9 7.3 9 250 9950 285 19 18.4 -4.9 | 235 21 17.4 12.2 10 200 11450 285 13 12.6 -3.4 | 220 18 11.7 13.7 11 150 13370 290 11 10.3 -3.8 | 215 16 9.4 13.3 12 100 16000 290 9 8.5 -3.1 | 208 16 7.6 14.0 13 70 18320 355 13 1.1 -13.0 | 183 4 0.2 4.1 14 50 20480 20 5 -1.7 -4.7 | 168 13 -2.6 12.4 15 30 23770 275 7 7.0 -0.6 | 200 18 6.1 16.5 16 20 26380 95 5 -5.0 0.4 | 161 18 -5.9 17.5 Wind Parameters Mean winds (0-6000m): 327.0 at 22.8 knts Storm direction: 357.0 at 17.1 knts Shear (0-3000m) pos: 1.3 neg: 0.3 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): -12.9 deg Storm rel helicity (0-3000m) pos: 14.3 neg: -21.7 tot: -7.4 m^2/s^2 ave: -2.5 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 3.0 stream: -0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.45 Bulk Shear: 14.24 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 ------------------------------------------------------------------------------- 500 315 32 284 22| 0.0 3.5 3.5| 10.4 0.0 10.4 20.8 0.54| 3.5 1.9 1000 315 32 285 22| 1.0 1.8 2.8| 13.2 0.0 13.2 13.2 0.38| 3.2 1.2 1500 317 31 285 21| 1.7 1.2 2.9| 13.4 -2.6 10.8 7.2 0.19| 3.2 0.6 2000 317 30 284 20| 1.3 0.2 1.5| 13.4 -9.9 3.5 1.8 0.01| 3.1 0.0 2500 318 29 283 19| 1.0 0.4 1.5| 13.4 -17.3 -3.8 -1.5 -0.12| 3.0 -0.4 3000 318 28 281 18| 1.3 0.3 1.6| 14.3 -21.7 -7.4 -2.5 -0.16| 3.0 -0.5 4000 320 26 280 16| 1.6 0.3 1.8| 17.1 -21.7 -4.6 -1.1 -0.07| 2.9 -0.2 5000 324 24 280 14| 1.7 0.2 1.9| 17.5 -21.7 -4.2 -0.8 -0.05| 2.8 -0.1 6000 327 23 280 12| 1.5 0.3 1.7| 17.5 -21.9 -4.4 -0.7 -0.06| 2.7 -0.2 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20250420.12.gif