UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 12 OCT 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 ------------------------------------------------------------------------------- SFC 1010 122 -4.3 -4.9 96 0.6 -4.5 265 3 268.1 268.5 268.1 275.1 2.62 1 1000 200 -5.1 -7.3 85 2.2 -5.8 300 5 268.0 268.4 267.4 274.0 2.20 2 925 798 -9.5 -11.1 88 1.6 -9.9 350 13 269.6 269.9 267.7 274.5 1.77 3 892 1078 -11.5 -13.1 88 1.6 -11.9 356 12 270.3 270.6 267.8 274.7 1.56 4 880 1182 -10.5 -12.4 86 1.9 -11.0 359 12 272.4 272.7 269.4 277.1 1.67 5 850 1448 -11.7 -14.6 79 2.9 -12.4 5 11 273.9 274.1 269.9 278.0 1.45 6 804 1873 -13.3 -16.7 76 3.4 -14.1 21 13 276.6 276.8 271.3 280.3 1.29 7 793 1978 -11.9 -15.1 77 3.2 -12.7 25 14 279.2 279.4 273.2 283.5 1.49 8 792 1988 -11.5 -14.8 76 3.3 -12.3 25 14 279.7 280.0 273.5 284.1 1.53 9 775 2154 -12.1 -18.1 61 6.0 -13.5 31 15 280.8 281.0 273.6 284.3 1.19 10 759 2315 -9.1 -18.1 48 9.0 -11.4 37 16 285.7 285.9 276.3 289.4 1.21 11 736 2553 -8.7 -25.7 24 17.0 -12.3 46 17 288.7 288.8 277.0 290.7 0.64 12 731 2606 -9.1 -27.1 22 18.0 -12.7 48 17 288.8 288.9 277.0 290.6 0.57 13 700 2940 -11.1 -23.1 36 12.0 -13.7 60 19 290.2 290.3 278.0 292.8 0.85 14 650 3506 -15.3 -24.3 46 9.0 -17.1 70 21 291.7 291.8 278.7 294.2 0.82 15 500 5450 -26.7 -32.7 57 6.0 -27.5 105 27 300.5 300.6 282.2 302.1 0.49 16 485 5669 -28.1 -33.1 62 5.0 -28.7 104 28 301.4 301.5 282.6 303.0 0.48 17 400 7020 -38.5 -43.0 62 4.5 -38.8 95 31 305.0 305.0 283.7 305.7 0.21 18 300 8920 -54.7 -59.4 56 4.7 -54.8 115 33 308.2 308.3 284.7 308.4 0.04 19 289 9160 -56.7 -61.4 55 4.7 -56.8 118 33 308.7 308.7 284.9 308.8 0.03 20 250 10070 -63.7 -68.4 53 4.7 -63.7 130 35 311.4 311.4 285.8 311.4 0.02 21 232 10522 -66.9 -71.5 52 4.6 -67.0 135 33 313.2 313.2 286.5 313.3 0.01 22 228 10627 -66.9 -71.5 52 4.6 -67.0 131 33 314.8 314.8 287.0 314.8 0.01 23 219 10871 -62.7 -67.6 52 4.9 -62.7 123 33 324.9 324.9 290.3 325.0 0.02 24 200 11430 -61.1 -65.7 54 4.6 -61.2 105 33 336.0 336.0 293.3 336.1 0.03 25 170 12458 -54.3 -59.3 54 5.0 -54.5 99 26 363.3 363.3 299.4 363.6 0.08 26 169 12496 -54.3 -59.3 54 5.0 -54.5 99 26 363.9 363.9 299.5 364.2 0.08 27 150 13260 -55.5 -61.5 47 6.0 -55.7 95 21 374.5 374.5 301.4 374.8 0.06 28 100 15860 -54.7 -64.7 28 10.0 -55.1 90 15 422.0 422.1 308.0 422.4 0.06 29 72 17961 -54.9 -67.9 19 13.0 -55.5 463.2 463.2 312.1 463.5 0.06 TRP 232 10522 -66.9 -71.5 52 4.6 -67.0 135 33 313.2 313.2 286.5 313.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5250.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 59.75 % Est. max temperature: 1.03 C = 33.85 F Sfc-Lift cond lev (LCL): 1000.39 mb = 196.96 m = 646.17 ft T: -5.07 C 700-500 lapse rate: 6.22 C/km ThetaE index: 1.12 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 921.65 mb = 825.94 m = 2709.74 ft Mean mixing ratio: 1.99 g/kg Conv temperature: -2.71 C = 27.11 F Cap Strength: 16.44 C Lifted Index: 21.74 C Risk: None Lifted Index @300 mb: 24.06 C Lifted Index @700 mb: 15.95 C Showalter Index: 18.81 C Risk: None Total Totals Index: 27.10 C Risk: None Vertical Totals Index: 15.00 C Cross Totals Index: 12.10 C K Index: -11.60 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 5.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.53 J/kg Max Up Vert Vel: 3.33 m/s Conv Inhibition (B-): 28658.72 J/kg Cap Strength: 21.61 C Lift Cond Lev (LCL): 932.55 mb = 735.63 m = 2413.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 102 at 14 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 1010 122 265 3 3.0 0.3 | 279 17 16.8 -2.8 1 1000 200 300 5 4.3 -2.5 | 287 19 18.1 -5.5 2 925 798 350 13 2.3 -12.8 | 315 23 16.0 -15.8 3 850 1448 5 11 -1.0 -11.0 | 317 19 12.8 -14.0 4 700 2940 60 19 -16.5 -9.5 | 12 13 -2.7 -12.5 5 500 5450 105 27 -26.1 7.0 | 108 13 -12.3 4.0 6 400 7020 95 31 -30.9 2.7 | 89 17 -17.1 -0.3 7 300 8920 115 33 -29.9 13.9 | 124 19 -16.1 10.9 8 250 10070 130 35 -26.8 22.5 | 146 23 -13.0 19.5 9 232 10522 135 33 -23.3 23.3 | 155 22 -9.6 20.3 10 200 11430 105 33 -31.9 8.5 | 107 19 -18.1 5.5 11 150 13260 95 21 -20.9 1.8 | 81 7 -7.1 -1.2 12 100 15860 90 15 -15.0 0.0 | 22 3 -1.2 -3.0 Wind Parameters Mean winds (0-6000m): 72.4 at 18.8 knts Storm direction: 102.4 at 14.1 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 98.1 deg Storm rel helicity (0-3000m) pos: 145.5 neg: 0.0 tot: 145.5 m^2/s^2 ave: 48.5 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 5.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 66.69 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 ------------------------------------------------------------------------------- 500 321 7 295 20| 10.3 0.0 10.3| 47.6 0.0 47.6 95.1 0.85| 10.8 9.2 1000 343 10 306 21| 6.4 0.0 6.4| 74.0 0.0 74.0 74.0 0.83| 8.3 6.9 1500 350 10 310 20| 4.5 0.0 4.5| 83.7 0.0 83.7 55.8 0.79| 6.7 5.3 2000 360 11 316 20| 4.2 0.0 4.2|106.3 0.0 106.3 53.1 0.82| 6.3 5.2 2500 12 12 323 19| 4.1 0.0 4.1|128.2 0.0 128.2 51.3 0.84| 6.2 5.2 3000 24 13 331 17| 3.8 0.0 3.8|145.5 0.0 145.5 48.5 0.85| 6.1 5.2 4000 42 15 346 15| 3.3 0.0 3.3|167.3 0.0 167.3 41.8 0.87| 5.5 4.8 5000 59 17 4 12| 3.0 0.0 3.0|191.3 0.0 191.3 38.3 0.89| 5.3 4.7 6000 72 19 25 10| 2.6 0.2 2.8|199.5 -6.9 192.6 32.1 0.82| 4.9 4.0 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251012.12.gif