UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for X1977... Searching the city database file for: X1977 ... Date:1200Z 5 DEC 25 Station: X1977 WMO ident: 31977 Latitude: 43.27 Longitude: 132.05 ------------------------------------------------------------------------------- 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 92 -6.5 -15.5 49 9.0 -8.7 90 1 266.1 266.3 264.1 269.3 1.13 1 1004 116 -3.3 -12.3 50 9.0 -5.8 105 2 269.5 269.8 267.1 273.6 1.48 2 1000 147 -2.7 -11.7 50 9.0 -5.3 125 3 270.5 270.7 267.9 274.8 1.56 3 993 203 -2.3 -11.3 50 9.0 -5.0 137 4 271.4 271.7 268.6 275.9 1.62 4 948 570 -3.9 -17.9 33 14.0 -7.3 217 8 273.4 273.6 268.8 276.2 0.99 5 940 637 -4.9 -18.9 32 14.0 -8.2 232 9 273.0 273.2 268.4 275.7 0.91 6 925 763 -5.7 -19.7 32 14.0 -8.9 260 11 273.5 273.6 268.7 276.0 0.87 7 870 1239 -9.7 -21.7 37 12.0 -12.2 274 18 274.2 274.3 268.9 276.4 0.77 8 850 1418 -9.9 -20.9 40 11.0 -12.2 280 21 275.8 275.9 270.1 278.3 0.85 9 836 1546 -10.5 -21.5 40 11.0 -12.8 281 22 276.5 276.6 270.5 278.9 0.82 10 807 1819 -7.7 -20.7 34 13.0 -10.7 283 24 282.2 282.4 274.0 285.0 0.91 11 728 2616 -10.5 -19.5 48 9.0 -12.7 288 29 287.6 287.8 277.2 291.0 1.12 12 700 2916 -12.7 -20.7 51 8.0 -14.5 290 31 288.4 288.6 277.4 291.6 1.05 13 672 3225 -14.7 -21.7 55 7.0 -16.2 291 33 289.6 289.7 278.0 292.7 1.00 14 500 5390 -30.3 -39.3 41 9.0 -31.1 300 48 296.1 296.1 280.0 297.0 0.25 15 483 5636 -32.7 -41.7 40 9.0 -33.4 299 48 296.1 296.1 279.9 296.8 0.20 16 414 6714 -38.5 -47.5 38 9.0 -39.0 296 50 302.0 302.0 282.4 302.4 0.13 17 400 6950 -40.7 -49.7 37 9.0 -41.1 295 50 302.1 302.1 282.4 302.5 0.10 18 390 7121 -42.5 -51.5 37 9.0 -42.9 294 50 301.9 301.9 282.3 302.2 0.09 19 300 8850 -52.7 -61.7 33 9.0 -52.9 285 54 311.1 311.1 285.8 311.2 0.03 20 285 9182 -54.3 -63.3 32 9.0 -54.4 283 53 313.4 313.4 286.5 313.5 0.03 21 255 9894 -56.9 -65.9 31 9.0 -57.0 280 52 319.7 319.7 288.6 319.7 0.02 22 250 10020 -56.7 -65.7 31 9.0 -56.8 280 52 321.8 321.8 289.3 321.9 0.02 23 215 10978 -53.1 -63.1 29 10.0 -53.3 280 49 341.5 341.5 294.7 341.7 0.04 24 200 11440 -54.3 -64.3 28 10.0 -54.5 280 48 346.8 346.8 296.0 346.9 0.03 25 164 12717 -54.4 -65.8 23 11.4 -54.7 275 69 366.8 366.8 300.0 367.0 0.03 26 150 13290 -54.5 -66.5 21 12.0 -54.8 275 64 376.2 376.2 301.6 376.3 0.03 27 149 13333 -54.5 -66.5 21 12.0 -54.8 376.9 376.9 301.8 377.1 0.03 TRP 255 9894 -56.9 -65.9 31 9.0 -57.0 280 52 319.7 319.7 288.6 319.7 0.02 WND 164 12717 -54.4 -65.8 23 11.4 -54.7 275 69 366.8 366.8 300.0 367.0 0.03 Sounding variables and indices 1000-500 mb thick: 5243.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 44.25 % Est. max temperature: 2.60 C = 36.68 F Sfc-Lift cond lev (LCL): 872.32 mb = 1218.23 m = 3996.76 ft T: -9.53 C 700-500 lapse rate: 7.11 C/km ThetaE index: 0.56 C Layer 940.0- 925.0 mb Conv cond level (CCL): 589.61 mb = 4182.94 m = 13723.39 ft Mean mixing ratio: 1.15 g/kg Conv temperature: 20.01 C = 68.02 F Cap Strength: 13.76 C Lifted Index: 16.97 C Risk: None Lifted Index @300 mb: 25.03 C Lifted Index @700 mb: 13.18 C Showalter Index: 14.97 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 9.40 C K Index: -8.50 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 4.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.49 J/kg Max Up Vert Vel: 4.79 m/s Conv Inhibition (B-): 13027.24 J/kg Cap Strength: 16.89 C Lift Cond Lev (LCL): 792.60 mb = 1958.15 m = 6424.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 23 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 92 90 1 -1.0 0.0 | 141 24 -15.2 18.6 1 1000 147 125 3 -2.5 1.7 | 141 26 -16.7 20.3 2 925 763 260 11 10.8 1.9 | 171 21 -3.4 20.5 3 850 1418 280 21 20.7 -3.6 | 203 16 6.5 15.0 4 700 2916 290 31 29.1 -10.6 | 242 17 14.9 8.0 5 500 5390 300 48 41.6 -24.0 | 281 28 27.4 -5.4 6 400 6950 295 50 45.3 -21.1 | 275 31 31.1 -2.5 7 300 8850 285 54 52.2 -14.0 | 263 38 37.9 4.7 8 255 9894 280 52 51.2 -9.0 | 255 38 37.0 9.6 9 250 10020 280 52 51.2 -9.0 | 255 38 37.0 9.6 10 200 11440 280 48 47.3 -8.3 | 253 35 33.1 10.3 11 164 12717 275 69 68.7 -6.0 | 257 56 54.5 12.6 12 150 13290 275 64 63.8 -5.6 | 255 51 49.5 13.0 Wind Parameters Mean winds (0-6000m): 292.6 at 31.2 knts Storm direction: 322.6 at 23.4 knts Shear (0-3000m) pos: 5.7 neg: 0.0 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 104.8 deg Storm rel helicity (0-3000m) pos: 203.1 neg: 0.0 tot: 203.1 m^2/s^2 ave: 67.7 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 6.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 135.23 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 ------------------------------------------------------------------------------- 500 200 5 153 27| 9.8 0.0 9.8| 75.0 0.0 75.0 149.9 0.74| 14.1 10.5 1000 258 9 165 21| 8.8 0.0 8.8|125.7 0.0 125.7 125.7 0.73| 13.4 9.8 1500 270 12 174 19| 7.9 0.0 7.9|156.1 0.0 156.1 104.1 0.78| 11.4 8.8 2000 276 15 183 17| 6.8 0.0 6.8|171.5 0.0 171.5 85.8 0.80| 9.5 7.6 2500 279 18 192 16| 6.1 0.0 6.1|187.3 0.0 187.3 74.9 0.82| 8.3 6.8 3000 282 20 200 15| 5.7 0.0 5.7|203.1 0.0 203.1 67.7 0.83| 7.6 6.3 4000 286 24 215 15| 5.1 0.0 5.1|234.6 0.0 234.6 58.7 0.83| 6.6 5.5 5000 290 28 232 15| 4.8 0.0 4.8|270.3 0.0 270.3 54.1 0.82| 6.1 5.0 6000 293 31 246 16| 4.2 0.1 4.3|281.9 -11.3 270.6 45.1 0.77| 5.4 4.2 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20251205.12.gif