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 X1977... Searching the city database file for: X1977 ... Date:1200Z 4 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 1008 90 -11.9 -22.9 40 11.0 -13.7 90 1 260.7 260.8 258.9 262.3 0.60 1 1005 113 -10.5 -22.5 37 12.0 -12.6 81 1 262.3 262.4 260.2 264.0 0.62 2 1000 151 -10.5 -22.5 37 12.0 -12.6 65 1 262.6 262.8 260.5 264.4 0.63 3 925 747 -14.1 -24.1 42 10.0 -15.7 325 19 264.9 265.0 262.2 266.6 0.59 4 866 1244 -17.5 -26.5 45 9.0 -18.8 325 28 266.4 266.5 263.1 267.9 0.51 5 860 1296 -17.1 -25.1 50 8.0 -18.3 325 29 267.3 267.4 263.9 269.0 0.58 6 850 1384 -17.5 -25.5 50 8.0 -18.7 325 31 267.8 267.9 264.3 269.4 0.56 7 847 1410 -17.7 -25.7 50 8.0 -18.8 325 31 267.9 268.0 264.3 269.5 0.56 8 835 1518 -14.9 -22.9 50 8.0 -16.3 326 30 271.9 272.0 267.4 274.0 0.73 9 719 2637 -20.3 -30.3 40 10.0 -21.6 334 24 277.9 277.9 270.7 279.2 0.43 10 700 2835 -21.9 -31.9 40 10.0 -23.1 335 23 278.2 278.3 270.8 279.4 0.38 11 664 3220 -24.9 -34.9 39 10.0 -25.9 332 24 279.1 279.1 271.1 280.0 0.30 12 626 3647 -26.1 -39.1 28 13.0 -27.3 328 26 282.5 282.5 272.9 283.1 0.21 13 536 4748 -34.5 -49.5 20 15.0 -35.2 319 29 285.2 285.3 274.3 285.5 0.08 14 500 5230 -37.5 -52.5 19 15.0 -38.1 315 31 287.3 287.3 275.4 287.5 0.06 15 491 5356 -37.9 -52.9 19 15.0 -38.5 315 31 288.3 288.3 275.9 288.5 0.06 16 400 6750 -45.5 -59.5 19 14.0 -45.8 310 27 295.9 295.9 279.6 296.0 0.03 17 369 7284 -47.7 -61.7 18 14.0 -48.0 310 28 299.8 299.8 281.3 299.9 0.03 18 304 8536 -56.9 -70.9 15 14.0 -57.1 310 31 304.0 304.0 283.0 304.0 0.01 19 300 8620 -56.7 -70.7 16 14.0 -56.8 310 31 305.4 305.4 283.6 305.5 0.01 20 250 9790 -50.5 -64.5 18 14.0 -50.8 280 48 331.0 331.0 292.0 331.1 0.03 21 229 10363 -48.9 -63.9 16 15.0 -49.3 280 50 341.8 341.8 294.8 342.0 0.03 22 200 11250 -49.1 -65.1 14 16.0 -49.6 280 54 355.0 355.0 297.7 355.2 0.03 23 182 11868 -50.9 -67.9 12 17.0 -51.3 277 57 361.8 361.8 299.1 361.9 0.02 24 166 12472 -47.7 -65.7 11 18.0 -48.4 274 60 376.8 376.8 301.8 376.9 0.03 25 150 13140 -49.7 -67.7 10 18.0 -50.3 270 64 384.4 384.4 303.0 384.6 0.03 26 122 14481 -51.8 -70.9 8 19.0 -52.4 265 66 403.9 403.9 305.7 404.0 0.02 27 100 15760 -53.9 -73.9 7 20.0 -54.5 270 62 423.6 423.6 308.2 423.7 0.02 28 94 16157 -54.7 -74.7 7 20.0 -55.2 270 61 429.6 429.6 308.8 429.7 0.02 29 87 16656 -52.7 -72.7 7 20.0 -53.4 270 59 443.2 443.2 310.2 443.3 0.02 30 72 17870 -56.1 -76.1 6 20.0 -56.7 270 55 460.6 460.6 311.8 460.7 0.02 31 70 18050 -55.5 -75.5 7 20.0 -56.2 270 54 465.7 465.7 312.3 465.8 0.02 32 52 19940 -55.9 -76.9 6 21.0 -56.8 257 49 506.0 506.0 315.4 506.2 0.02 33 50 20190 -54.5 -74.5 7 20.0 -55.5 255 48 515.0 515.1 316.0 515.2 0.03 34 41 21462 -53.5 -74.5 6 21.0 -54.8 249 49 547.6 547.6 318.0 547.9 0.04 35 34 22656 -56.9 -77.9 5 21.0 -58.0 244 50 568.8 568.8 319.1 569.0 0.03 36 31 23248 -52.1 -74.1 5 22.0 -54.1 241 50 597.0 597.0 320.5 597.4 0.05 37 30 23460 -51.5 -73.5 6 22.0 -53.7 240 50 604.2 604.3 320.8 604.7 0.06 38 28 23906 -53.3 -75.3 5 22.0 -55.2 241 51 611.3 611.3 321.1 611.7 0.05 39 25 24648 -46.5 -69.5 6 23.0 -50.3 242 53 650.9 651.0 322.7 652.0 0.13 40 21 25798 -49.5 -72.5 5 23.0 -52.8 244 55 675.2 675.2 323.6 676.0 0.10 41 20 26120 -45.9 -69.9 5 24.0 -50.5 245 56 695.7 695.7 324.3 697.0 0.16 42 15 28044 -44.7 -68.7 5 24.0 -50.6 282 38 759.3 759.4 326.3 761.6 0.25 43 12 29555 -39.7 -65.7 5 26.0 -48.7 311 24 827.1 827.3 328.0 831.9 0.46 44 11 30143 -45.9 -70.9 4 25.0 -52.5 323 19 825.4 825.5 327.9 827.9 0.24 45 10 30780 -44.7 -70.7 4 26.0 -52.2 335 13 852.7 852.8 328.5 855.6 0.28 46 9.4 31194 -44.9 -70.9 4 26.0 -52.5 867.2 867.3 328.8 870.2 0.29 TRP 304 8536 -56.9 -70.9 15 14.0 -57.1 310 31 304.0 304.0 283.0 304.0 0.01 WND 122 14481 -51.8 -70.9 8 19.0 -52.4 265 66 403.9 403.9 305.7 404.0 0.02 Sounding variables and indices 1000-500 mb thick: 5079.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 35.94 % Est. max temperature: -5.11 C = 22.80 F Sfc-Lift cond lev (LCL): 843.34 mb = 1443.06 m = 4734.38 ft T: -16.85 C 700-500 lapse rate: 6.51 C/km Conv cond level (CCL): 597.70 mb = 3974.89 m = 13040.83 ft Mean mixing ratio: 0.60 g/kg Conv temperature: 10.82 C = 51.48 F Cap Strength: 16.63 C Lifted Index: 17.91 C Risk: None Lifted Index @300 mb: 28.24 C Lifted Index @700 mb: 12.24 C Showalter Index: 14.80 C Risk: None Total Totals Index: 32.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 12.00 C K Index: -15.50 Risk: None Sweat Index: 93.00 Risk: None Energy Index: 3.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.76 J/kg Max Up Vert Vel: 3.68 m/s Conv Inhibition (B-): 78574.99 J/kg Cap Strength: 17.85 C Lift Cond Lev (LCL): 802.05 mb = 1819.14 m = 5968.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 at 19 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 1008 90 90 1 -1.0 0.0 | 171 19 -3.1 18.9 1 1000 151 65 1 -0.9 -0.4 | 171 19 -3.0 18.5 2 925 747 325 19 10.9 -15.6 | 249 9 8.8 3.3 3 850 1384 325 31 17.8 -25.4 | 293 17 15.7 -6.5 4 700 2835 335 23 9.7 -20.8 | 284 8 7.6 -2.0 5 500 5230 315 31 21.9 -21.9 | 279 20 19.8 -3.0 6 400 6750 310 27 20.7 -17.4 | 265 19 18.6 1.5 7 304 8536 310 31 23.7 -19.9 | 273 22 21.6 -1.0 8 300 8620 310 31 23.7 -19.9 | 273 22 21.6 -1.0 9 250 9790 280 48 47.3 -8.3 | 257 46 45.1 10.6 10 200 11250 280 54 53.2 -9.4 | 259 52 51.1 9.5 11 150 13140 270 64 64.0 -0.0 | 253 65 61.9 18.9 12 122 14481 265 66 65.7 5.8 | 249 68 63.6 24.6 13 100 15760 270 62 62.0 -0.0 | 252 63 59.9 18.9 14 70 18050 270 54 54.0 -0.0 | 250 55 51.9 18.9 15 50 20190 255 48 46.4 12.4 | 235 54 44.2 31.3 16 30 23460 240 50 43.3 25.0 | 223 60 41.2 43.9 17 20 26120 245 56 50.8 23.7 | 229 65 48.6 42.6 18 10 30780 335 13 5.5 -11.8 | 205 8 3.4 7.1 Wind Parameters Mean winds (0-6000m): 323.6 at 25.3 knts Storm direction: 353.6 at 19.0 knts Shear (0-3000m) pos: 0.6 neg: 4.4 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 114.3 deg Storm rel helicity (0-3000m) pos: 43.1 neg: -24.8 tot: 18.3 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 52.66 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 ------------------------------------------------------------------------------- 500 356 7 172 12| 0.0 14.9 14.9| 5.0 -20.9 -15.9 -31.9 -0.10| 17.7 -1.7 1000 327 14 216 9| 0.0 13.4 13.4| 29.6 -20.9 8.7 8.7 0.33| 16.8 5.6 1500 326 19 248 9| 1.5 8.9 10.5| 43.0 -20.9 22.1 14.7 0.36| 13.5 4.9 2000 327 21 263 10| 0.7 6.7 7.4| 43.0 -21.7 21.2 10.6 0.33| 11.0 3.6 2500 328 22 269 10| 0.8 5.4 6.1| 43.0 -23.6 19.4 7.8 0.29| 9.4 2.8 3000 329 22 271 10| 0.6 4.4 5.0| 43.1 -24.8 18.3 6.1 0.27| 8.3 2.2 4000 328 23 275 10| 0.5 3.8 4.3| 43.1 -25.9 17.2 4.3 0.24| 6.8 1.6 5000 326 24 277 12| 0.4 3.4 3.8| 43.1 -31.2 11.9 2.4 0.19| 6.0 1.2 6000 324 25 277 13| 0.3 2.7 3.1| 43.1 -45.7 -2.5 -0.4 0.14| 5.3 0.7 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20251204.12.gif