UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110912.upa.cvt Date: 1200Z 9 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 9 NOV 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 74 SFC 995 111 -19.5 -22.5 77 3.0 -19.9 325 1 254.0 254.1 253.5 255.7 0.63 2 967 322 -22.5 -26.7 69 4.2 -22.9 253.1 253.1 252.4 254.3 0.44 3 945 491 -19.5 -23.3 72 3.8 -20.0 257.8 257.9 256.7 259.5 0.62 4 925 650 -19.5 -22.7 76 3.2 -20.0 335 9 259.4 259.5 258.1 261.2 0.67 5 894 903 -19.5 -22.5 77 3.0 -20.0 261.9 262.0 260.1 263.9 0.70 6 850 1277 -21.5 -24.6 76 3.1 -21.9 325 9 263.6 263.7 261.3 265.4 0.61 7 785 1860 -24.3 -27.4 75 3.1 -24.6 266.7 266.8 263.3 268.2 0.51 8 700 2685 -30.1 -33.6 71 3.5 -30.4 270 7 269.2 269.2 264.7 270.1 0.32 9 500 5000 -45.9 -49.4 68 3.5 -46.0 265 11 277.1 277.1 269.5 277.4 0.08 10 481 5256 -47.9 -51.5 66 3.6 -48.0 277.7 277.7 269.9 277.9 0.07 11 454 5637 -47.1 -50.7 66 3.6 -47.2 283.3 283.3 273.2 283.6 0.08 12 409 6324 -48.5 -52.8 61 4.3 -48.6 290.1 290.1 276.8 290.3 0.07 13 400 6470 -49.1 -53.5 60 4.4 -49.2 265 23 291.2 291.2 277.3 291.4 0.07 14 340 7526 -53.7 -58.7 54 5.0 -53.8 270 29 298.8 298.8 280.8 298.9 0.04 15 328 7757 -54.1 -59.1 54 5.0 -54.2 301.3 301.3 282.0 301.5 0.04 16 300 8330 -54.1 -60.1 48 6.0 -54.2 270 25 309.1 309.1 285.0 309.2 0.04 17 250 9500 -52.9 -59.9 42 7.0 -53.1 265 27 327.4 327.4 291.0 327.6 0.05 18 249 9526 -52.9 -59.9 42 7.0 -53.1 327.8 327.8 291.2 328.0 0.05 19 200 10940 -54.5 -63.5 32 9.0 -54.7 265 25 346.5 346.5 295.9 346.6 0.04 20 150 12770 -56.1 -68.1 21 12.0 -56.3 260 25 373.4 373.4 301.2 373.5 0.03 21 134 13485 -57.1 -69.1 20 12.0 -57.3 383.9 383.9 302.9 384.0 0.03 22 120 14181 -58.7 -71.7 17 13.0 -58.9 393.3 393.3 304.3 393.4 0.02 23 100 15330 -57.3 -71.3 15 14.0 -57.6 255 29 417.0 417.0 307.4 417.1 0.03 24 96 15587 -57.3 -71.3 15 14.0 -57.7 421.9 421.9 308.0 422.1 0.03 25 70 17560 -61.5 -76.5 12 15.0 -61.8 245 23 452.8 452.8 311.1 452.9 0.02 26 52 19398 -63.5 -78.5 11 15.0 -63.8 488.3 488.3 314.1 488.4 0.02 27 50 19640 -62.5 -78.5 10 16.0 -62.9 250 33 496.2 496.2 314.7 496.3 0.02 28 37 21507 -58.9 -74.9 11 16.0 -59.7 550.1 550.1 318.1 550.3 0.04 29 30 22820 -58.7 -75.7 9 17.0 -59.7 245 50 584.6 584.6 319.9 584.9 0.04 30 20 25380 -57.3 -75.3 8 18.0 -58.9 235 66 660.8 660.8 323.1 661.3 0.07 31 14 27647 -54.9 -73.9 8 19.0 -57.6 739.9 739.9 325.7 741.0 0.12 32 12 28629 -56.1 -75.1 8 19.0 -58.8 769.0 769.0 326.5 770.1 0.12 33 10 29800 -51.7 -71.7 7 20.0 -56.2 240 101 826.6 826.7 327.9 829.0 0.24 TRP 340 7526 -53.7 -58.7 54 5.0 -53.8 270 29 298.8 298.8 280.8 298.9 0.04 WND 9.0 240 103 Sounding variables and indices 1000-500 mb thick: 4926.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 72.03 % Est. max temperature: -9.68 C = 14.58 F Sfc-Lift cond lev (LCL): 947.00 mb = 475.76 m = 1560.88 ft T: -19.78 C 700-500 lapse rate: 6.83 C/km ThetaE index: 1.43 C Layer 967.0- 945.0 mb Conv cond level (CCL): 758.60 mb = 2106.09 m = 6909.67 ft Mean mixing ratio: 0.60 g/kg Conv temperature: -6.09 C = 21.03 F Cap Strength: 9.78 C Lifted Index: 15.02 C Risk: None Lifted Index @300 mb: 35.65 C Lifted Index @700 mb: 9.78 C Showalter Index: 9.74 C Risk: None Total Totals Index: 45.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 21.30 C K Index: -3.70 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 2.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.82 J/kg Max Up Vert Vel: 9.04 m/s Conv Inhibition (B-): 73110.11 J/kg Cap Strength: 14.97 C Lift Cond Lev (LCL): 892.29 mb = 917.53 m = 3010.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 9 37759 240 103 89.2 51.5 1 995 111 325 1 0.6 -0.8 2 925 650 335 9 3.8 -8.2 3 850 1277 325 9 5.2 -7.4 4 700 2685 270 7 7.0 -0.0 5 500 5000 265 11 11.0 1.0 6 400 6470 265 23 22.9 2.0 7 340 7526 270 29 29.0 -0.0 8 300 8330 270 25 25.0 -0.0 9 250 9500 265 27 26.9 2.4 10 200 10940 265 25 24.9 2.2 11 150 12770 260 25 24.6 4.3 12 100 15330 255 29 28.0 7.5 13 70 17560 245 23 20.8 9.7 14 50 19640 250 33 31.0 11.3 15 30 22820 245 50 45.3 21.1 16 20 25380 235 66 54.1 37.9 17 10 29800 240 101 87.5 50.5 Wind Parameters Energy-Hel index: -2.55 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251109.12.gif