UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 2 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 ------------------------------------------------------------------------------- SFC 1012 22 -1.3 -1.9 96 0.6 -1.5 180 9 270.9 271.5 271.0 279.8 3.28 1 1000 117 -2.1 -4.4 84 2.3 -2.9 170 21 271.0 271.5 270.2 278.5 2.75 2 925 732 -5.7 -8.5 81 2.8 -6.6 200 38 273.5 273.8 270.8 279.5 2.17 3 850 1390 -10.1 -13.2 78 3.1 -10.9 185 46 275.6 275.8 271.2 280.2 1.62 4 746 2384 -16.1 -18.9 79 2.8 -16.7 172 55 279.5 279.7 272.8 282.9 1.15 5 700 2860 -19.9 -23.0 76 3.1 -20.4 165 60 280.4 280.6 272.9 283.0 0.86 6 578 4250 -31.3 -34.0 77 2.7 -31.6 171 66 282.9 283.0 273.5 284.1 0.37 7 557 4512 -31.9 -34.6 77 2.7 -32.1 172 67 285.2 285.3 274.8 286.4 0.36 8 502 5242 -35.3 -40.0 62 4.7 -35.6 175 71 289.7 289.7 276.9 290.4 0.23 9 500 5270 -35.3 -40.2 61 4.9 -35.7 175 71 290.0 290.0 277.0 290.8 0.23 10 400 6800 -43.5 -54.5 29 11.0 -43.9 190 75 298.5 298.5 280.7 298.7 0.06 11 396 6868 -44.1 -55.1 28 11.0 -44.5 190 76 298.5 298.5 280.8 298.7 0.05 12 347 7741 -51.0 -62.7 23 11.8 -51.2 195 93 300.7 300.7 281.7 300.8 0.02 13 333 8008 -53.1 -65.1 22 12.0 -53.2 195 87 301.4 301.4 282.0 301.4 0.02 14 300 8680 -53.7 -66.7 19 13.0 -53.9 195 71 309.7 309.7 285.2 309.7 0.02 15 250 9850 -54.7 -67.7 19 13.0 -54.9 190 50 324.7 324.7 290.2 324.8 0.02 16 248 9901 -54.9 -67.9 19 13.0 -55.1 191 50 325.2 325.2 290.3 325.3 0.02 17 200 11270 -56.1 -69.1 18 13.0 -56.3 205 50 343.9 343.9 295.3 344.0 0.02 18 150 13110 -53.7 -67.7 16 14.0 -54.1 215 52 377.5 377.6 301.9 377.7 0.03 19 100 15690 -55.7 -70.7 14 15.0 -56.1 215 38 420.1 420.1 307.7 420.3 0.03 20 77 17347 -59.5 -74.5 13 15.0 -59.9 219 50 444.8 444.8 310.4 444.9 0.02 21 70 17950 -56.3 -72.3 12 16.0 -56.9 220 54 463.9 463.9 312.1 464.1 0.03 22 61 18834 -51.5 -68.5 11 17.0 -52.6 493.2 493.3 314.5 493.6 0.06 23 59 19052 -48.7 -65.7 12 17.0 -50.2 504.3 504.3 315.3 504.9 0.09 24 56 19394 -50.1 -67.1 12 17.0 -51.5 508.7 508.7 315.6 509.2 0.08 TRP 333 8008 -53.1 -65.1 22 12.0 -53.2 195 87 301.4 301.4 282.0 301.4 0.02 WND 347 7741 -51.0 -62.7 23 11.8 -51.2 195 93 300.7 300.7 281.7 300.8 0.02 Sounding variables and indices 1000-500 mb thick: 5153.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 77.13 % Est. max temperature: 3.01 C = 37.43 F Sfc-Lift cond lev (LCL): 1002.46 mb = 97.50 m = 319.87 ft T: -1.94 C 700-500 lapse rate: 6.39 C/km ThetaE index: 1.23 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 899.07 mb = 953.24 m = 3127.38 ft Mean mixing ratio: 2.48 g/kg Conv temperature: 1.97 C = 35.55 F Cap Strength: 9.09 C Lifted Index: 9.33 C Risk: None Lifted Index @300 mb: 21.69 C Lifted Index @700 mb: 3.46 C Showalter Index: 8.45 C Risk: None Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.20 C Cross Totals Index: 22.10 C K Index: 8.90 Risk: None Sweat Index: 163.00 Risk: None Energy Index: 2.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.91 J/kg Max Up Vert Vel: 3.44 m/s Conv Inhibition (B-): 27794.88 J/kg Cap Strength: 8.85 C Lift Cond Lev (LCL): 925.42 mb = 728.38 m = 2389.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 205 at 42 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 1012 22 180 9 0.0 9.0 | 31 35 -18.0 -29.5 1 1000 117 170 21 -3.6 20.7 | 51 28 -21.7 -17.8 2 925 732 200 38 13.0 35.7 | 61 6 -5.0 -2.8 3 850 1390 185 46 4.0 45.8 | 118 16 -14.0 7.3 4 700 2860 165 60 -15.5 58.0 | 120 39 -33.5 19.5 5 500 5270 175 71 -6.2 70.7 | 143 40 -24.2 32.2 6 400 6800 190 75 13.0 73.9 | 172 36 -5.0 35.4 7 347 7741 195 93 24.1 89.8 | 187 52 6.1 51.3 8 333 8008 195 87 22.5 84.0 | 186 46 4.5 45.5 9 300 8680 195 71 18.4 68.6 | 181 30 0.4 30.1 10 250 9850 190 50 8.7 49.2 | 139 14 -9.3 10.8 11 200 11270 205 50 21.1 45.3 | 205 8 3.1 6.8 12 150 13110 215 52 29.8 42.6 | 251 13 11.8 4.1 13 100 15690 215 38 21.8 31.1 | 333 8 3.8 -7.4 14 70 17950 220 54 34.7 41.4 | 260 17 16.7 2.9 Wind Parameters Mean winds (0-6000m): 175.1 at 56.7 knts Storm direction: 205.1 at 42.5 knts Shear (0-3000m) pos: 5.6 neg: 5.3 tot: 10.9 10-3/s Storm rel Dir Shear (0-3000m): 90.2 deg Storm rel helicity (0-3000m) pos: 144.1 neg: -11.1 tot: 133.0 m^2/s^2 ave: 44.3 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 12.4 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 139.64 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 ------------------------------------------------------------------------------- 500 181 24 51 23| 24.1 0.0 24.1|108.9 0.0 108.9 217.8 0.55| 27.6 15.1 1000 191 31 56 14| 16.9 0.0 16.9|118.4 -0.4 118.0 118.0 0.48| 20.9 10.1 1500 190 36 74 13| 11.3 3.3 14.6|129.5 -0.4 129.1 86.0 0.46| 17.3 7.9 2000 186 39 91 14| 8.4 4.4 12.9|134.8 -0.4 134.3 67.2 0.41| 14.9 6.2 2500 183 42 103 17| 6.8 5.2 11.9|134.9 -3.7 131.2 52.5 0.36| 13.6 4.9 3000 179 45 109 20| 5.6 5.3 10.9|144.1 -11.1 133.0 44.3 0.33| 12.4 4.1 4000 175 50 116 25| 5.0 4.0 9.0|210.5 -11.1 199.5 49.9 0.38| 10.1 3.9 5000 174 53 122 28| 4.7 3.2 7.8|280.1 -11.1 269.0 53.8 0.43| 8.8 3.8 6000 175 57 128 29| 4.6 2.6 7.2|390.9 -11.1 379.8 63.3 0.49| 8.3 4.1 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251202.12.gif