UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for X1770... Searching the city database file for: X1770 ... Date:0000Z 21 OCT 25 Station: X1770 WMO ident: 31770 Latitude: 49.00 Longitude: 140.30 ------------------------------------------------------------------------------- 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 1020 20 -0.7 -8.7 55 8.0 -3.3 200 5 270.9 271.2 268.8 276.3 1.94 1 1008 114 -0.3 -9.3 51 9.0 -3.1 260 5 272.2 272.5 269.5 277.4 1.87 2 1000 178 -0.5 -9.5 51 9.0 -3.3 300 5 272.6 273.0 269.8 277.8 1.86 3 925 797 -4.3 -13.3 49 9.0 -6.8 320 19 274.9 275.2 270.6 279.1 1.48 4 901 1004 -5.5 -14.5 49 9.0 -7.9 322 20 275.8 276.0 270.9 279.7 1.38 5 850 1457 -9.7 -17.7 52 8.0 -11.6 325 21 276.0 276.2 270.7 279.2 1.12 6 700 2915 -23.1 -28.1 64 5.0 -23.8 315 17 276.9 277.0 270.2 278.5 0.54 7 684 3084 -24.5 -29.5 63 5.0 -25.1 313 18 277.2 277.3 270.3 278.7 0.48 8 670 3236 -19.9 -24.9 64 5.0 -20.8 310 19 284.0 284.1 274.7 286.3 0.76 9 500 5340 -34.9 -41.9 49 7.0 -35.4 280 33 290.5 290.5 277.2 291.1 0.19 10 455 5991 -40.5 -47.5 47 7.0 -40.8 278 36 291.4 291.4 277.6 291.8 0.12 11 400 6860 -46.1 -53.1 45 7.0 -46.3 275 40 295.1 295.1 279.2 295.3 0.07 12 384 7130 -47.9 -53.9 50 6.0 -48.1 276 41 296.2 296.2 279.7 296.4 0.07 13 300 8730 -54.7 -60.7 47 6.0 -54.8 280 44 308.2 308.3 284.7 308.4 0.04 14 295 8838 -55.3 -61.3 47 6.0 -55.4 280 44 308.9 308.9 284.9 309.0 0.03 15 250 9910 -50.3 -57.3 43 7.0 -50.5 275 48 331.3 331.3 292.2 331.6 0.07 16 248 9962 -49.9 -56.9 44 7.0 -50.1 275 48 332.6 332.7 292.5 332.9 0.07 17 200 11370 -48.9 -55.9 44 7.0 -49.2 270 48 355.3 355.4 297.8 355.8 0.10 18 196 11503 -48.1 -55.1 44 7.0 -48.4 270 48 358.7 358.7 298.5 359.2 0.11 19 172 12354 -51.9 -58.9 43 7.0 -52.2 270 47 366.0 366.1 299.9 366.4 0.08 20 150 13240 -51.7 -58.7 43 7.0 -52.0 270 46 381.0 381.0 302.5 381.4 0.09 21 127 14320 -50.9 -58.9 38 8.0 -51.3 268 44 401.0 401.0 305.4 401.5 0.11 22 100 15860 -54.9 -62.9 36 8.0 -55.2 265 40 421.7 421.7 308.0 422.1 0.08 23 72 17978 -51.1 -59.1 38 8.0 -51.8 247 36 471.3 471.3 312.8 472.3 0.18 24 70 18160 -52.9 -60.9 37 8.0 -53.5 245 36 471.2 471.3 312.8 472.1 0.15 25 65 18638 -54.5 -62.5 37 8.0 -55.1 246 35 477.8 477.8 313.3 478.6 0.13 26 54 19834 -52.3 -61.3 33 9.0 -53.1 249 34 508.9 509.0 315.7 510.1 0.18 27 50 20330 -54.9 -63.9 32 9.0 -55.6 250 33 514.1 514.1 315.9 515.0 0.14 28 49 20459 -56.3 -64.3 36 8.0 -56.9 249 33 513.8 513.8 315.9 514.6 0.14 29 40 21780 -45.1 -54.1 36 9.0 -47.1 237 34 572.6 572.8 319.5 576.8 0.61 30 33 23051 -49.5 -59.5 30 10.0 -51.2 226 35 593.3 593.4 320.5 596.1 0.38 31 31 23463 -46.5 -56.5 31 10.0 -48.8 222 35 612.1 612.3 321.3 616.5 0.59 32 30 23680 -47.7 -57.7 31 10.0 -49.8 220 35 614.6 614.8 321.4 618.6 0.53 33 28 24133 -50.3 -60.3 30 10.0 -52.1 619.6 619.8 321.6 622.7 0.41 34 25 24876 -48.5 -58.5 30 10.0 -50.8 645.2 645.4 322.7 649.7 0.57 TRP 295 8838 -55.3 -61.3 47 6.0 -55.4 280 44 308.9 308.9 284.9 309.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5162.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 55.75 % Est. max temperature: 4.32 C = 39.77 F Sfc-Lift cond lev (LCL): 899.64 mb = 1015.38 m = 3331.27 ft T: -5.61 C 700-500 lapse rate: 4.87 C/km ThetaE index: 1.16 C Layer 850.0- 684.0 mb Conv cond level (CCL): 806.79 mb = 1848.81 m = 6065.59 ft Mean mixing ratio: 1.70 g/kg Conv temperature: 4.73 C = 40.51 F Cap Strength: 6.80 C Lifted Index: 10.37 C Risk: None Lifted Index @300 mb: 21.28 C Lifted Index @700 mb: 0.87 C Showalter Index: 9.61 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 25.20 C Cross Totals Index: 17.20 C K Index: 2.50 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 2.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.94 J/kg Max Up Vert Vel: 4.23 m/s Conv Inhibition (B-): 48007.95 J/kg Cap Strength: 10.35 C Lift Cond Lev (LCL): 842.06 mb = 1527.47 m = 5011.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 329 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 1020 20 200 5 1.7 4.7 | 160 20 -6.8 19.2 1 1000 178 300 5 4.3 -2.5 | 161 13 -4.2 12.0 2 925 797 320 19 12.2 -14.6 | 272 4 3.7 -0.1 3 850 1457 325 21 12.0 -17.2 | 308 4 3.5 -2.7 4 700 2915 315 17 12.0 -12.0 | 235 4 3.5 2.4 5 500 5340 280 33 32.5 -5.7 | 250 25 23.9 8.7 6 400 6860 275 40 39.8 -3.5 | 251 33 31.3 11.0 7 300 8730 280 44 43.3 -7.6 | 259 35 34.8 6.8 8 295 8838 280 44 43.3 -7.6 | 259 35 34.8 6.8 9 250 9910 275 48 47.8 -4.2 | 255 41 39.3 10.3 10 200 11370 270 48 48.0 -0.0 | 250 42 39.4 14.5 11 150 13240 270 46 46.0 -0.0 | 249 40 37.4 14.5 12 100 15860 265 40 39.8 3.5 | 240 36 31.3 17.9 13 70 18160 245 36 32.6 15.2 | 219 38 24.1 29.7 14 50 20330 250 33 31.0 11.3 | 221 34 22.5 25.7 15 30 23680 220 35 22.5 26.8 | 199 44 13.9 41.3 Wind Parameters Mean winds (0-6000m): 299.4 at 22.4 knts Storm direction: 329.4 at 16.8 knts Shear (0-3000m) pos: 4.1 neg: 0.8 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 81.6 deg Storm rel helicity (0-3000m) pos: 27.9 neg: -8.0 tot: 20.0 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.31 Bulk Shear: 28.84 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 ------------------------------------------------------------------------------- 500 300 8 169 11| 15.7 0.0 15.7| 18.4 -3.0 15.4 30.8 0.32| 16.4 5.3 1000 315 13 182 6| 11.7 0.0 11.7| 25.7 -3.0 22.7 22.7 0.51| 12.2 6.2 1500 319 15 205 3| 8.2 0.0 8.2| 27.3 -3.1 24.2 16.1 0.53| 8.7 4.6 2000 320 16 227 3| 6.2 0.5 6.6| 27.3 -4.9 22.4 11.2 0.43| 7.0 3.0 2500 320 17 238 3| 4.9 0.7 5.7| 27.3 -6.6 20.7 8.3 0.34| 6.0 2.0 3000 320 17 240 3| 4.1 0.8 5.0| 27.9 -8.0 20.0 6.7 0.30| 5.3 1.6 4000 315 18 248 4| 3.1 1.4 4.4| 31.4 -8.0 23.4 5.8 0.28| 5.1 1.4 5000 307 20 252 8| 2.5 2.1 4.5| 31.4 -16.8 14.5 2.9 0.19| 5.1 1.0 6000 299 22 252 11| 2.1 2.3 4.3| 33.2 -23.6 9.6 1.6 0.15| 4.8 0.7 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20251021.00.gif