UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 13 OCT 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 76 20 1 SFC 996 109 7.2 4.4 82 2.8 5.8 20 1 280.7 281.6 279.1 295.2 5.26 2 925 709 1.4 -1.3 82 2.7 0.3 35 9 280.7 281.4 277.3 291.2 3.75 3 912 823 0.0 -2.7 82 2.7 -1.1 43 10 280.4 281.0 276.7 290.1 3.43 4 850 1385 -3.5 -6.8 78 3.3 -4.7 80 13 282.5 282.9 276.7 290.2 2.70 5 822 1649 -4.7 -7.8 79 3.1 -5.8 78 12 283.9 284.4 277.3 291.4 2.58 6 767 2191 -7.7 -13.7 62 6.0 -9.5 75 11 286.4 286.7 277.4 291.5 1.73 7 700 2899 -10.7 -21.7 40 11.0 -13.3 70 9 290.6 290.8 278.4 293.6 0.96 8 646 3514 -13.5 -31.5 20 18.0 -16.6 82 11 294.2 294.3 279.4 295.6 0.42 9 638 3609 -14.3 -33.3 18 19.0 -17.4 84 12 294.4 294.4 279.3 295.5 0.36 10 516 5182 -26.3 -38.3 31 12.0 -27.6 115 18 298.3 298.3 281.0 299.2 0.27 11 500 5410 -27.3 -36.3 42 9.0 -28.3 120 19 299.8 299.8 281.7 300.9 0.34 12 495 5482 -27.7 -35.7 46 8.0 -28.6 120 19 300.1 300.2 281.9 301.4 0.37 13 462 5972 -32.1 -40.1 45 8.0 -32.8 122 18 300.6 300.7 282.0 301.5 0.25 14 400 6970 -40.1 -48.1 42 8.0 -40.5 125 17 302.9 302.9 282.7 303.3 0.12 15 322 8410 -51.9 -59.9 38 8.0 -52.1 145 11 305.9 305.9 283.8 306.1 0.04 16 307 8720 -49.9 -58.9 34 9.0 -50.1 121 19 312.9 313.0 286.4 313.1 0.04 17 300 8870 -50.3 -58.3 38 8.0 -50.5 110 23 314.5 314.5 286.9 314.6 0.05 18 250 10070 -46.3 -58.3 24 12.0 -46.7 90 29 337.2 337.2 293.7 337.5 0.06 19 213 11138 -43.9 -61.9 12 18.0 -44.7 94 25 356.8 356.8 298.1 357.0 0.04 20 200 11560 -44.7 -64.7 9 20.0 -45.5 95 23 362.0 362.0 299.1 362.1 0.03 21 185 12083 -45.3 -67.3 7 22.0 -46.1 92 22 369.2 369.2 300.4 369.3 0.02 22 150 13480 -47.5 -72.5 4 25.0 -48.3 85 21 388.2 388.2 303.5 388.3 0.01 23 100 16110 -54.3 -78.3 4 24.0 -54.9 60 15 422.8 422.8 308.0 422.9 0.01 24 86 17077 -55.9 -79.9 3 24.0 -56.5 62 13 438.2 438.2 309.7 438.3 0.01 25 70 18390 -56.3 -79.3 4 23.0 -56.9 65 11 463.9 463.9 312.1 464.0 0.01 26 50 20510 -59.3 -82.3 4 23.0 -59.9 10 11 503.7 503.7 315.2 503.8 0.01 27 30 23690 -62.1 -84.1 4 22.0 -62.8 345 5 575.3 575.3 319.5 575.4 0.01 28 27 24344 -60.9 -83.9 3 23.0 -61.8 342 5 596.3 596.3 320.5 596.4 0.01 29 25 24821 -63.3 -85.3 4 22.0 -64.0 341 5 602.7 602.7 320.7 602.8 0.01 30 20 26200 -61.5 -83.5 4 22.0 -62.6 335 5 647.9 647.9 322.6 648.1 0.02 31 13 28877 -60.9 -83.9 3 23.0 -62.6 295 9 735.0 735.0 325.5 735.2 0.03 32 11 29926 -57.1 -80.1 4 23.0 -59.9 279 10 784.7 784.8 326.9 785.3 0.06 33 10 30530 -56.5 -79.5 4 23.0 -59.6 270 11 808.6 808.7 327.5 809.3 0.07 34 7.5 32363 -54.7 -78.7 4 24.0 -59.2 885.3 885.3 329.1 886.4 0.11 35 6.4 33391 -49.3 -74.3 4 25.0 -56.4 949.3 949.4 330.4 952.2 0.25 TRP 322 8410 -51.9 -59.9 38 8.0 -52.1 145 11 305.9 305.9 283.8 306.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5334.00 m Freezing level: 912.00 mb = 823.02 m = 2700.15 ft Wetbulb zero: 922.55 mb = 730.38 m = 2396.23 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 49.54 % Est. max temperature: 9.21 C = 48.58 F Sfc-Lift cond lev (LCL): 954.20 mb = 456.77 m = 1498.58 ft T: 3.84 C 700-500 lapse rate: 6.61 C/km ThetaE index: 5.12 C Layer 925.0- 850.0 mb Conv cond level (CCL): 911.52 mb = 827.26 m = 2714.06 ft Mean mixing ratio: 4.19 g/kg Conv temperature: 6.99 C = 44.58 F Cap Strength: 6.20 C Lifted Index: 7.19 C Risk: None Lifted Index @300 mb: 15.72 C Lifted Index @700 mb: 3.40 C Showalter Index: 8.77 C Risk: None Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.80 C Cross Totals Index: 20.50 C K Index: 6.00 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 2.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.15 J/kg Max Up Vert Vel: 2.07 m/s Conv Inhibition (B-): 0.34 J/kg Cap Strength: 6.66 C Lift Cond Lev (LCL): 908.27 mb = 855.77 m = 2807.62 ft Lev Free Conv (LFC): 903.27 mb = 899.84 m = 2952.19 ft Equ Level (EL): 843.27 mb = 1447.77 m = 4749.85 ft B at Equ Level: 1.79 J/kg Max Parcel Lev (MPL): 823.27 mb = 1637.18 m = 5371.25 ft Wind level data Storm motion: 125 at 9 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 ---------------------------------------------------------- 0 996 109 20 1 -0.3 -0.9 | 311 10 7.4 -6.4 1 925 709 35 9 -5.2 -7.4 | 348 13 2.6 -12.8 2 850 1385 80 13 -12.8 -2.3 | 33 9 -5.0 -7.7 3 700 2899 70 9 -8.5 -3.1 | 5 9 -0.7 -8.5 4 500 5410 120 19 -16.5 9.5 | 115 10 -8.7 4.1 5 400 6970 125 17 -13.9 9.8 | 125 8 -6.2 4.3 6 322 8410 145 11 -6.3 9.0 | 202 4 1.5 3.6 7 300 8870 110 23 -21.6 7.9 | 100 14 -13.8 2.4 8 250 10070 90 29 -29.0 0.0 | 76 22 -21.2 -5.4 9 200 11560 95 23 -22.9 2.0 | 77 16 -15.1 -3.4 10 150 13480 85 21 -20.9 -1.8 | 61 15 -13.2 -7.2 11 100 16110 60 15 -13.0 -7.5 | 22 14 -5.2 -12.9 12 70 18390 65 11 -10.0 -4.6 | 12 10 -2.2 -10.1 13 50 20510 10 11 -1.9 -10.8 | 340 17 5.9 -16.3 14 30 23690 345 5 1.3 -4.8 | 319 14 9.1 -10.2 15 20 26200 335 5 2.1 -4.5 | 315 14 9.9 -10.0 16 10 30530 270 11 11.0 -0.0 | 286 20 18.8 -5.4 Wind Parameters Mean winds (0-6000m): 94.9 at 12.6 knts Storm direction: 124.9 at 9.5 knts Shear (0-3000m) pos: 2.1 neg: 0.5 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 61.2 deg Storm rel helicity (0-3000m) pos: 50.0 neg: -9.9 tot: 40.1 m^2/s^2 ave: 13.4 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 16.69 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 33 4 329 11| 6.9 0.0 6.9| 18.0 0.0 18.0 36.1 0.92| 6.9 6.4 1000 43 7 344 11| 5.5 0.0 5.5| 37.8 0.0 37.8 37.8 0.92| 6.9 6.3 1500 59 9 359 10| 4.1 0.0 4.1| 47.8 -1.4 46.4 30.9 0.85| 6.2 5.3 2000 65 10 5 10| 3.1 0.4 3.4| 47.8 -4.8 42.9 21.5 0.71| 5.1 3.6 2500 67 10 8 9| 2.5 0.6 3.1| 47.8 -8.2 39.6 15.9 0.59| 4.3 2.6 3000 68 10 8 9| 2.1 0.5 2.6| 50.0 -9.9 40.1 13.4 0.56| 3.9 2.2 4000 73 10 14 9| 2.1 0.4 2.5| 61.7 -9.9 51.7 12.9 0.64| 3.7 2.4 5000 85 11 29 7| 2.1 0.3 2.4| 75.5 -9.9 65.5 13.1 0.71| 3.6 2.6 6000 95 13 48 6| 1.8 0.3 2.1| 82.1 -9.9 72.2 12.0 0.72| 3.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251013.12.gif