UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for X1770... Searching the city database file for: X1770 ... Date:0000Z 21 APR 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 1016 27 0.6 -0.6 92 1.2 0.1 15 5 272.5 273.1 272.4 282.2 3.60 1 1000 154 -0.9 -4.0 79 3.1 -2.0 15 19 272.2 272.7 271.1 280.0 2.84 2 975 356 -2.3 -4.8 83 2.5 -3.2 20 20 272.8 273.3 271.3 280.3 2.74 3 925 773 -3.5 -6.0 83 2.5 -4.4 30 23 275.7 276.2 272.9 283.0 2.64 4 850 1437 -6.7 -9.8 79 3.1 -7.7 35 19 279.1 279.5 274.1 285.2 2.13 5 830 1622 -7.5 -10.9 77 3.4 -8.5 38 19 280.2 280.5 274.5 285.9 2.00 6 766 2247 -6.9 -11.1 72 4.2 -8.2 48 21 287.3 287.7 278.4 293.6 2.14 7 700 2946 -9.1 -14.1 67 5.0 -10.6 60 23 292.4 292.7 280.4 298.0 1.83 8 573 4476 -15.5 -22.5 55 7.0 -17.1 33 21 302.1 302.3 283.7 305.7 1.10 9 500 5490 -22.5 -30.5 48 8.0 -23.8 15 19 305.6 305.7 284.4 307.6 0.60 10 445 6336 -28.7 -35.7 51 7.0 -29.6 12 20 308.1 308.2 285.1 309.6 0.41 11 400 7090 -34.9 -41.9 49 7.0 -35.5 10 21 309.6 309.7 285.5 310.5 0.24 12 326 8478 -46.1 -53.1 45 7.0 -46.3 25 19 312.9 312.9 286.5 313.2 0.08 13 310 8812 -45.1 -53.1 40 8.0 -45.4 19 15 318.8 318.8 288.5 319.1 0.09 14 300 9030 -46.5 -54.5 40 8.0 -46.8 15 13 319.8 319.8 288.8 320.1 0.08 15 284 9392 -47.9 -56.9 35 9.0 -48.2 4 16 322.9 322.9 289.7 323.1 0.06 16 250 10230 -49.1 -59.1 30 10.0 -49.4 340 23 333.1 333.1 292.6 333.3 0.05 17 200 11690 -49.1 -62.1 21 13.0 -49.6 320 23 355.0 355.0 297.7 355.2 0.04 18 179 12418 -49.5 -63.5 18 14.0 -50.0 308 21 365.8 365.8 299.8 366.0 0.04 19 150 13570 -52.3 -67.3 15 15.0 -52.7 290 19 380.0 380.0 302.3 380.1 0.03 20 102 16062 -52.5 -68.5 13 16.0 -53.1 280 19 423.9 423.9 308.2 424.1 0.04 21 100 16190 -53.3 -68.3 14 15.0 -53.9 280 19 424.7 424.8 308.3 424.9 0.04 22 71 18380 -57.3 -72.3 13 15.0 -57.8 280 17 459.9 459.9 311.8 460.1 0.03 23 70 18470 -56.7 -71.7 13 15.0 -57.2 280 17 463.1 463.1 312.1 463.3 0.03 24 50 20600 -57.5 -72.5 13 15.0 -58.2 285 7 508.0 508.0 315.5 508.2 0.04 25 44 21409 -55.7 -70.7 14 15.0 -56.6 281 8 531.3 531.3 317.0 531.7 0.06 26 30 23840 -56.7 -71.7 13 15.0 -57.9 270 9 590.1 590.1 320.2 590.7 0.08 27 23 25517 -59.5 -74.5 13 15.0 -60.6 2 9 628.4 628.4 321.9 628.9 0.07 28 20 26400 -56.3 -71.3 14 15.0 -58.0 50 9 663.8 663.9 323.2 664.9 0.13 29 19 26726 -56.1 -71.1 14 15.0 -57.9 674.3 674.3 323.6 675.4 0.14 TRP 326 8478 -46.1 -53.1 45 7.0 -46.3 25 19 312.9 312.9 286.5 313.2 0.08 WND Sounding variables and indices 1000-500 mb thick: 5336.00 m Freezing level: 1009.60 mb = 77.84 m = 255.39 ft Wetbulb zero: 1014.99 mb = 35.03 m = 114.93 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 67.55 % Est. max temperature: 6.49 C = 43.69 F Sfc-Lift cond lev (LCL): 997.05 mb = 177.54 m = 582.48 ft T: -1.06 C 700-500 lapse rate: 5.27 C/km ThetaE index: 2.24 C Layer 1000.0- 975.0 mb Conv cond level (CCL): 860.25 mb = 1342.84 m = 4405.59 ft Mean mixing ratio: 2.79 g/kg Conv temperature: 6.76 C = 44.18 F Cap Strength: 18.70 C Lifted Index: 20.37 C Risk: None Lifted Index @300 mb: 27.25 C Lifted Index @700 mb: 12.56 C Showalter Index: 17.38 C Risk: None Total Totals Index: 28.50 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 12.70 C K Index: 1.00 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 4.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.66 J/kg Max Up Vert Vel: 5.42 m/s Conv Inhibition (B-): 52152.04 J/kg Cap Strength: 20.20 C Lift Cond Lev (LCL): 927.49 mb = 751.71 m = 2466.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 67 at 16 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 1016 27 15 5 -1.3 -4.8 | 265 13 13.0 1.2 1 1000 154 15 19 -4.9 -18.4 | 323 15 9.3 -12.3 2 925 773 30 23 -11.5 -19.9 | 349 14 2.8 -13.9 3 850 1437 35 19 -10.9 -15.6 | 340 10 3.4 -9.5 4 700 2946 60 23 -19.9 -11.5 | 46 8 -5.7 -5.4 5 500 5490 15 19 -4.9 -18.4 | 323 15 9.3 -12.3 6 400 7090 10 21 -3.6 -20.7 | 324 18 10.6 -14.6 7 326 8478 25 19 -8.0 -17.2 | 331 13 6.2 -11.2 8 300 9030 15 13 -3.4 -12.6 | 301 13 10.9 -6.5 9 250 10230 340 23 7.9 -21.6 | 305 27 22.1 -15.6 10 200 11690 320 23 14.8 -17.6 | 292 31 29.1 -11.6 11 150 13570 290 19 17.9 -6.5 | 271 32 32.1 -0.4 12 100 16190 280 19 18.7 -3.3 | 265 33 33.0 2.8 13 70 18470 280 17 16.7 -3.0 | 264 31 31.0 3.1 14 50 20600 285 7 6.8 -1.8 | 259 21 21.0 4.2 15 30 23840 270 9 9.0 -0.0 | 255 24 23.3 6.1 16 20 26400 50 9 -6.9 -5.8 | 268 7 7.4 0.3 Wind Parameters Mean winds (0-6000m): 37.0 at 20.7 knts Storm direction: 67.0 at 15.5 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 137.2 deg Storm rel helicity (0-3000m) pos: 91.2 neg: -5.8 tot: 85.5 m^2/s^2 ave: 28.5 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.56 Bulk Shear: 5.72 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 19 18 323 14| 17.0 0.0 17.0| 60.3 0.0 60.3 120.5 0.98| 18.6 18.2 1000 25 20 335 14| 8.6 0.0 8.6| 70.3 -1.4 68.9 68.9 0.89| 11.5 10.3 1500 28 20 337 13| 5.0 0.0 5.0| 71.5 -4.8 66.7 44.5 0.76| 8.7 6.6 2000 31 20 340 12| 4.2 0.0 4.2| 78.5 -4.8 73.7 36.9 0.77| 7.4 5.7 2500 35 20 346 11| 3.7 0.0 3.7| 85.5 -4.8 80.7 32.3 0.79| 6.6 5.2 3000 39 21 353 10| 3.4 0.0 3.4| 91.2 -5.8 85.5 28.5 0.79| 6.0 4.8 4000 42 21 359 10| 2.5 0.9 3.4| 91.2 -20.9 70.3 17.6 0.50| 5.4 2.7 5000 40 21 356 10| 2.0 1.4 3.4| 91.2 -37.7 53.5 10.7 0.32| 5.0 1.6 6000 37 21 350 11| 1.7 1.4 3.1| 91.9 -46.5 45.4 7.6 0.26| 4.5 1.2 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20250421.00.gif