UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102200.upa.cvt Date: 0000Z 22 OCT 25 Searching for X1770... Searching the city database file for: X1770 ... Date:0000Z 22 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 1026 21 -2.1 -8.1 63 6.0 -4.0 210 3 269.1 269.4 267.7 274.6 2.02 1 1018 83 -2.9 -9.9 58 7.0 -5.0 247 4 268.9 269.2 267.2 273.7 1.77 2 1002 209 -0.3 -8.3 55 8.0 -2.9 321 7 272.7 273.0 270.1 278.3 2.04 3 1000 225 -0.5 -9.5 51 9.0 -3.3 330 7 272.6 273.0 269.8 277.8 1.86 4 925 844 -3.9 -14.9 42 11.0 -6.9 345 9 275.3 275.5 270.5 279.0 1.30 5 912 955 -4.5 -15.5 42 11.0 -7.4 338 10 275.8 276.0 270.8 279.4 1.25 6 850 1500 -9.5 -18.5 48 9.0 -11.6 305 13 276.2 276.4 270.7 279.2 1.04 7 700 2970 -20.9 -26.9 59 6.0 -21.8 325 21 279.3 279.4 271.8 281.2 0.60 8 667 3324 -23.7 -28.7 63 5.0 -24.4 321 20 280.1 280.2 272.2 281.7 0.54 9 639 3637 -23.9 -28.7 65 4.8 -24.5 318 20 283.3 283.4 274.0 285.0 0.56 10 596 4143 -24.7 -31.7 52 7.0 -25.6 313 19 288.1 288.2 276.4 289.5 0.45 11 500 5400 -32.1 -44.1 29 12.0 -32.9 300 17 293.9 293.9 278.8 294.4 0.15 12 419 6633 -38.9 -49.9 30 11.0 -39.4 304 20 300.4 300.4 281.7 300.8 0.10 13 400 6950 -41.1 -53.1 26 12.0 -41.6 305 21 301.6 301.6 282.1 301.8 0.07 14 342 7996 -48.1 -59.1 27 11.0 -48.4 291 25 305.9 305.9 283.8 306.0 0.04 15 300 8850 -52.5 -62.5 29 10.0 -52.7 280 29 311.3 311.4 285.8 311.5 0.03 16 288 9112 -53.7 -63.7 28 10.0 -53.9 280 33 313.3 313.3 286.5 313.4 0.03 17 256 9867 -52.7 -62.7 29 10.0 -52.9 280 45 325.5 325.5 290.5 325.6 0.03 18 250 10020 -52.1 -62.1 29 10.0 -52.3 280 48 328.6 328.6 291.3 328.8 0.04 19 223 10767 -48.3 -59.3 27 11.0 -48.7 272 50 345.4 345.4 295.7 345.6 0.06 20 203 11383 -51.3 -63.3 23 12.0 -51.6 266 52 350.0 350.0 296.7 350.2 0.04 21 200 11480 -50.5 -62.5 23 12.0 -50.8 265 52 352.8 352.8 297.3 353.0 0.04 22 150 13360 -50.4 -65.8 15 15.4 -50.9 265 60 383.2 383.3 302.8 383.4 0.04 23 120 14818 -50.3 -68.3 10 18.0 -51.0 265 53 408.7 408.7 306.3 408.8 0.03 24 100 16000 -53.5 -72.5 8 19.0 -54.1 265 48 424.4 424.4 308.2 424.5 0.02 25 70 18280 -55.5 -75.5 7 20.0 -56.2 270 48 465.7 465.7 312.3 465.8 0.02 26 50 20420 -56.7 -77.7 5 21.0 -57.5 260 48 509.9 509.9 315.7 510.0 0.02 27 48 20678 -56.9 -77.9 5 21.0 -57.7 260 47 515.4 515.4 316.0 515.5 0.02 28 43 21379 -53.9 -74.9 6 21.0 -55.1 260 44 539.2 539.2 317.5 539.5 0.03 29 40 21839 -57.1 -78.1 5 21.0 -58.0 260 43 542.5 542.5 317.6 542.6 0.02 30 31 23452 -56.7 -78.7 5 22.0 -57.9 260 37 584.6 584.6 319.9 584.7 0.03 31 30 23660 -55.1 -77.1 5 22.0 -56.6 260 36 594.4 594.4 320.3 594.7 0.04 32 26 24580 -51.9 -74.9 5 23.0 -54.2 251 39 628.3 628.4 321.9 628.8 0.06 33 24 25094 -55.5 -77.5 5 22.0 -57.2 246 40 632.4 632.5 322.0 632.8 0.04 34 20 26270 -50.1 -74.1 4 24.0 -53.4 235 44 682.8 682.9 323.9 683.5 0.08 35 15 28168 -45.1 -71.1 4 26.0 -51.0 227 35 758.0 758.1 326.2 759.6 0.17 36 11 30200 -53.3 -77.3 4 24.0 -57.2 218 26 798.5 798.6 327.3 799.4 0.09 37 10 30820 -48.5 -73.5 4 25.0 -54.4 215 23 838.5 838.6 328.2 840.4 0.18 38 9.9 30886 -48.1 -73.1 4 25.0 -54.2 842.4 842.5 328.2 844.5 0.20 39 8.8 31657 -51.3 -75.3 4 24.0 -56.5 858.9 859.0 328.6 860.6 0.16 40 7.1 33051 -51.5 -75.5 4 24.0 -57.3 912.4 912.6 329.7 914.6 0.19 TRP 288 9112 -53.7 -63.7 28 10.0 -53.9 280 33 313.3 313.3 286.5 313.4 0.03 WND 150 13360 -50.4 -65.8 15 15.4 -50.9 265 60 383.2 383.3 302.8 383.4 0.04 Sounding variables and indices 1000-500 mb thick: 5175.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 50.22 % Est. max temperature: 4.93 C = 40.87 F Sfc-Lift cond lev (LCL): 933.53 mb = 771.15 m = 2529.98 ft T: -3.50 C 700-500 lapse rate: 4.61 C/km ThetaE index: 0.85 C Layer 1018.0-1002.0 mb Conv cond level (CCL): 789.36 mb = 2060.42 m = 6759.82 ft Mean mixing ratio: 1.66 g/kg Conv temperature: 6.34 C = 43.42 F Cap Strength: 9.85 C Lifted Index: 13.61 C Risk: None Lifted Index @300 mb: 23.83 C Lifted Index @700 mb: 3.46 C Showalter Index: 12.41 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 13.60 C K Index: -1.90 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.96 J/kg Max Up Vert Vel: 6.32 m/s Conv Inhibition (B-): 69393.45 J/kg Cap Strength: 13.48 C Lift Cond Lev (LCL): 843.61 mb = 1557.16 m = 5108.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 345 at 12 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 1026 21 210 3 1.5 2.6 | 173 14 -1.6 14.2 1 1000 225 330 7 3.5 -6.1 | 184 6 0.4 5.5 2 925 844 345 9 2.3 -8.7 | 165 3 -0.8 2.9 3 850 1500 305 13 10.6 -7.5 | 241 9 7.5 4.2 4 700 2970 325 21 12.0 -17.2 | 302 11 8.9 -5.6 5 500 5400 300 17 14.7 -8.5 | 255 12 11.6 3.1 6 400 6950 305 21 17.2 -12.0 | 272 14 14.1 -0.4 7 300 8850 280 29 28.6 -5.0 | 256 26 25.4 6.6 8 288 9112 280 33 32.5 -5.7 | 259 30 29.4 5.9 9 250 10020 280 48 47.3 -8.3 | 266 44 44.1 3.3 10 200 11480 265 52 51.8 4.5 | 252 51 48.7 16.1 11 150 13360 265 60 59.8 5.2 | 253 59 56.6 16.8 12 100 16000 265 48 47.8 4.2 | 251 47 44.7 15.8 13 70 18280 270 48 48.0 -0.0 | 255 46 44.9 11.6 14 50 20420 260 48 47.3 8.3 | 246 48 44.1 19.9 15 30 23660 260 36 35.5 6.3 | 241 37 32.3 17.9 16 20 26270 235 44 36.0 25.2 | 222 49 32.9 36.8 17 10 30820 215 23 13.2 18.8 | 198 32 10.1 30.4 Wind Parameters Mean winds (0-6000m): 314.9 at 16.0 knts Storm direction: 344.9 at 12.0 knts Shear (0-3000m) pos: 3.4 neg: 1.3 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 127.5 deg Storm rel helicity (0-3000m) pos: 38.7 neg: -2.5 tot: 36.2 m^2/s^2 ave: 12.1 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.56 Bulk Shear: 12.79 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 ------------------------------------------------------------------------------- 500 327 6 183 6| 10.3 0.0 10.3| 11.9 -1.7 10.2 20.4 0.21| 12.3 2.6 1000 336 8 180 5| 5.2 1.1 6.3| 13.3 -2.5 10.8 10.8 0.23| 8.0 1.9 1500 327 9 204 4| 3.4 2.6 6.1| 16.2 -2.5 13.7 9.1 0.28| 7.6 2.1 2000 320 10 224 5| 3.4 2.0 5.4| 23.5 -2.5 21.0 10.5 0.37| 6.5 2.4 2500 319 12 239 5| 3.4 1.6 5.0| 31.3 -2.5 28.8 11.5 0.44| 5.9 2.6 3000 321 13 255 5| 3.4 1.3 4.7| 38.7 -2.5 36.2 12.1 0.49| 5.4 2.7 4000 320 15 268 6| 2.5 1.3 3.8| 38.7 -13.6 25.1 6.3 0.32| 4.6 1.5 5000 318 16 270 7| 2.0 1.3 3.3| 38.7 -24.3 14.4 2.9 0.20| 4.1 0.8 6000 315 16 268 8| 1.8 1.1 2.9| 43.6 -28.2 15.4 2.6 0.19| 3.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20251022.00.gif