UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 4 DEC 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- 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 -368 SFC 952 28 1.0 -1.4 84 2.4 0.0 340 3 278.0 278.6 275.6 288.0 3.62 2 932 200 5.6 -1.4 61 7.0 2.5 57 9 284.4 285.1 279.0 294.9 3.70 3 925 262 5.2 -2.8 56 8.0 1.8 85 11 284.6 285.2 278.7 294.2 3.36 4 893 975 4.2 -5.8 48 10.0 0.2 100 18 286.5 287.0 278.9 294.5 2.77 5 887 1110 3.6 -6.4 48 10.0 -0.3 102 20 286.4 286.9 278.7 294.1 2.67 6 850 1947 1.6 -7.4 51 9.0 -1.9 120 29 287.8 288.3 279.3 295.4 2.58 7 807 2365 0.4 -6.6 59 7.0 -2.4 133 34 290.9 291.4 281.1 299.4 2.89 8 700 3490 -7.3 -10.0 81 2.7 -8.2 170 46 294.4 294.9 282.2 302.1 2.55 9 677 3635 -9.1 -11.8 81 2.7 -10.0 168 47 295.2 295.6 282.3 302.1 2.29 10 672 3667 -9.7 -12.4 81 2.7 -10.6 167 47 295.2 295.6 282.1 301.8 2.19 11 628 3967 -13.1 -16.6 75 3.5 -14.1 162 50 297.1 297.4 282.3 302.2 1.66 12 605 4136 -14.9 -24.9 42 10.0 -17.0 159 51 298.2 298.3 281.7 300.9 0.84 13 581 4322 -15.9 -28.9 32 13.0 -18.3 156 53 300.5 300.6 282.4 302.5 0.60 14 539 4676 -17.5 -27.5 41 10.0 -19.5 151 55 305.1 305.2 284.4 307.6 0.74 15 500 5040 -21.7 -29.7 48 8.0 -23.1 145 58 306.6 306.7 284.8 308.8 0.65 16 498 5069 -21.9 -29.9 48 8.0 -23.2 145 58 306.7 306.8 284.9 308.9 0.64 17 464 5584 -27.7 -32.4 64 4.7 -28.3 148 67 305.7 305.8 284.4 307.6 0.54 18 450 5803 -28.7 -33.0 66 4.3 -29.3 150 71 307.2 307.3 284.9 309.0 0.53 19 420 6295 -30.9 -35.9 61 5.0 -31.5 153 79 310.5 310.5 286.0 312.0 0.42 20 400 6640 -31.9 -38.9 50 7.0 -32.6 155 85 313.5 313.6 287.0 314.7 0.33 21 371 7169 -34.3 -43.3 40 9.0 -35.1 152 96 317.2 317.2 288.1 318.0 0.22 22 351 7553 -38.5 -50.5 27 12.0 -39.2 150 104 316.6 316.6 287.8 317.0 0.11 23 345 7671 -38.9 -51.9 24 13.0 -39.6 150 106 317.6 317.6 288.1 317.9 0.09 24 300 8620 -43.5 -57.5 20 14.0 -44.0 145 126 324.0 324.1 290.0 324.3 0.05 25 293 8778 -44.1 -58.1 20 14.0 -44.6 145 126 325.3 325.3 290.5 325.5 0.05 26 253 9752 -48.1 -62.1 18 14.0 -48.5 154 115 333.4 333.4 292.7 333.6 0.04 27 250 9830 -48.1 -62.1 18 14.0 -48.5 155 114 334.6 334.6 293.0 334.7 0.04 28 217 10760 -49.5 -64.5 16 15.0 -49.9 165 88 346.2 346.2 295.8 346.3 0.03 29 200 11290 -52.9 -67.9 15 15.0 -53.2 170 73 349.0 349.0 296.4 349.1 0.02 30 197 11388 -53.3 -68.3 14 15.0 -53.6 170 71 349.9 349.9 296.6 350.0 0.02 31 190 11624 -52.3 -68.3 13 16.0 -52.7 171 70 355.1 355.1 297.7 355.2 0.02 32 150 13160 -53.9 -69.9 12 16.0 -54.3 180 62 377.2 377.2 301.8 377.3 0.02 33 100 15770 -52.5 -69.5 11 17.0 -53.1 190 60 426.3 426.3 308.4 426.5 0.03 34 75 17625 -53.9 -71.9 9 18.0 -54.6 202 49 459.9 459.9 311.8 460.1 0.03 35 70 18070 -52.7 -70.7 10 18.0 -53.6 205 46 471.6 471.7 312.8 471.9 0.04 36 55 19639 -50.7 -69.7 9 19.0 -52.1 205 52 509.9 509.9 315.7 510.3 0.06 37 50 20260 -51.5 -69.5 10 18.0 -52.8 205 54 522.1 522.1 316.5 522.5 0.07 38 44 21099 -45.1 -65.1 9 20.0 -47.8 208 58 557.2 557.2 318.5 558.1 0.14 39 41 21564 -50.3 -69.3 9 19.0 -52.1 209 60 555.6 555.6 318.4 556.2 0.08 40 34 22801 -43.5 -64.5 8 21.0 -47.2 213 65 604.0 604.1 320.9 605.5 0.19 41 30 23630 -49.5 -70.5 7 21.0 -52.0 215 69 609.7 609.7 321.1 610.4 0.09 42 25 24827 -48.3 -69.3 7 21.0 -51.5 204 61 645.8 645.8 322.6 646.9 0.14 43 20 26280 -53.5 -74.5 6 21.0 -55.9 190 52 672.4 672.4 323.5 673.1 0.08 44 18 26964 -49.3 -71.3 6 22.0 -53.1 706.2 706.3 324.7 707.5 0.14 45 15 28149 -53.3 -74.3 6 21.0 -56.3 730.7 730.8 325.4 731.7 0.11 46 13 29078 -49.9 -72.9 5 23.0 -54.4 773.0 773.1 326.6 774.5 0.15 47 12 29607 -45.1 -69.1 5 24.0 -51.7 807.9 808.1 327.5 810.9 0.29 48 10 30819 -47.3 -70.3 5 23.0 -53.5 843.0 843.1 328.3 846.1 0.29 TRP 197 11388 -53.3 -68.3 14 15.0 -53.6 170 71 349.9 349.9 296.6 350.0 0.02 WND 293 8778 -44.1 -58.1 20 14.0 -44.6 145 126 325.3 325.3 290.5 325.5 0.05 Sounding variables and indices 1000-500 mb thick: 5408.00 m Freezing level: 801.44 mb = 2423.03 m = 7949.48 ft Wetbulb zero: 890.78 mb = 1024.87 m = 3362.40 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 58.18 % Est. max temperature: 13.79 C = 56.83 F Sfc-Lift cond lev (LCL): 917.01 mb = 437.61 m = 1435.73 ft T: 4.95 C 700-500 lapse rate: 9.29 C/km ThetaE index: 0.72 C Layer 925.0- 893.0 mb Conv cond level (CCL): 690.84 mb = 3547.09 m = 11637.29 ft Mean mixing ratio: 3.03 g/kg Conv temperature: 17.46 C = 63.42 F Cap Strength: 11.10 C Lifted Index: 11.56 C Risk: None Lifted Index @300 mb: 21.40 C Lifted Index @700 mb: 5.75 C Showalter Index: 10.57 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 14.30 C K Index: 13.20 Risk: None Sweat Index: 116.00 Risk: None Energy Index: 0.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.84 J/kg Max Up Vert Vel: 7.19 m/s Conv Inhibition (B-): 69064.12 J/kg Cap Strength: 11.55 C Lift Cond Lev (LCL): 792.56 mb = 2507.44 m = 8226.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 181 at 34 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 ---------------------------------------------------------- 0 952 28 340 3 1.0 -2.8 | 359 37 0.5 -37.1 1 925 262 85 11 -11.0 -1.0 | 18 37 -11.5 -35.2 2 850 1947 120 29 -25.1 14.5 | 52 32 -25.6 -19.7 3 700 3490 170 46 -8.0 45.3 | 142 14 -8.5 11.1 4 500 5040 145 58 -33.3 47.5 | 111 36 -33.8 13.3 5 400 6640 155 85 -35.9 77.0 | 140 56 -36.4 42.8 6 300 8620 145 126 -72.3 103.2 | 133 100 -72.8 69.0 7 293 8778 145 126 -72.3 103.2 | 133 100 -72.8 69.0 8 250 9830 155 114 -48.2 103.3 | 145 85 -48.7 69.1 9 200 11290 170 73 -12.7 71.9 | 161 40 -13.2 37.7 10 197 11388 170 71 -12.3 69.9 | 160 38 -12.8 35.7 11 150 13160 180 62 0.0 62.0 | 179 28 -0.5 27.8 12 100 15770 190 60 10.4 59.1 | 202 27 9.9 24.9 13 70 18070 205 46 19.4 41.7 | 249 20 18.9 7.5 14 50 20260 205 54 22.8 48.9 | 237 27 22.3 14.7 15 30 23630 215 69 39.6 56.5 | 240 45 39.1 22.3 16 20 26280 190 52 9.0 51.2 | 207 19 8.5 17.0 Wind Parameters Mean winds (0-6000m): 150.8 at 45.7 knts Storm direction: 180.8 at 34.2 knts Shear (0-3000m) pos: 7.5 neg: 0.0 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 99.9 deg Storm rel helicity (0-3000m) pos: 462.7 neg: 0.0 tot: 462.7 m^2/s^2 ave: 154.2 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 10.5 stream: 9.2 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.10 Bulk Shear: 253.30 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 79 9 14 37| 15.6 0.0 15.6|162.3 0.0 162.3 324.6 0.90| 18.2 16.4 1000 90 12 19 36| 10.7 0.0 10.7|221.2 0.0 221.2 221.2 0.92| 12.3 11.3 1500 99 14 25 35| 9.1 0.0 9.1|281.2 0.0 281.2 187.5 0.93| 10.5 9.7 2000 109 18 31 33| 8.3 0.0 8.3|342.6 0.0 342.6 171.3 0.93| 9.8 9.1 2500 120 23 41 30| 7.9 0.0 7.9|406.9 0.0 406.9 162.8 0.90| 10.1 9.1 3000 131 27 51 26| 7.5 0.0 7.5|462.7 0.0 462.7 154.2 0.88| 10.5 9.2 4000 151 34 77 18| 6.3 1.0 7.3|509.4 -18.1 491.3 122.8 0.76| 10.4 7.9 5000 152 41 96 20| 5.1 2.5 7.6|509.4 -82.0 427.4 85.5 0.54| 10.1 5.5 6000 151 46 104 23| 5.8 2.1 7.9|661.6 -82.0 579.5 96.6 0.57| 10.0 5.7 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251204.12.gif