UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 16 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 1020 111 -5.9 -7.6 88 1.7 -6.4 300 3 265.7 266.1 265.6 271.4 2.11 1 1000 265 -7.7 -10.1 83 2.4 -8.4 350 5 265.5 265.7 264.8 270.2 1.77 2 942 727 -10.7 -12.6 86 1.9 -11.2 1 8 267.0 267.2 265.4 271.2 1.54 3 937 768 -9.1 -11.0 86 1.9 -9.6 3 8 269.0 269.3 267.3 273.8 1.76 4 925 868 -8.3 -11.1 80 2.8 -9.1 5 9 270.8 271.1 268.5 275.7 1.77 5 902 1064 -7.5 -11.0 76 3.5 -8.5 4 10 273.6 273.9 270.4 278.7 1.83 6 850 1525 -9.1 -15.1 62 6.0 -10.6 360 13 276.6 276.8 271.5 280.6 1.39 7 823 1774 -9.9 -16.9 57 7.0 -11.6 360 13 278.3 278.5 272.3 281.9 1.23 8 785 2139 -8.9 -20.9 37 12.0 -11.6 360 12 283.2 283.4 274.5 286.0 0.92 9 700 3017 -13.9 -31.9 20 18.0 -16.7 360 11 287.1 287.2 275.8 288.3 0.38 10 648 3599 -16.9 -37.9 14 21.0 -19.6 359 11 290.1 290.1 277.1 290.9 0.23 11 630 3810 -18.5 -39.5 14 21.0 -21.0 358 10 290.6 290.7 277.3 291.3 0.20 12 577 4459 -23.3 -31.3 48 8.0 -24.4 357 10 292.4 292.5 278.6 294.0 0.48 13 544 4887 -26.1 -37.1 35 11.0 -27.3 356 10 294.0 294.1 279.1 295.0 0.29 14 500 5490 -31.7 -44.7 27 13.0 -32.6 355 9 294.4 294.4 279.0 294.9 0.14 15 489 5646 -32.7 -46.7 23 14.0 -33.6 356 10 295.0 295.1 279.3 295.5 0.12 16 464 6013 -34.3 -46.3 29 12.0 -35.0 0 12 297.5 297.5 280.4 298.0 0.13 17 400 7030 -42.1 -52.1 33 10.0 -42.5 10 19 300.3 300.3 281.5 300.6 0.08 18 300 8920 -55.3 -63.3 36 8.0 -55.4 15 25 307.4 307.4 284.4 307.5 0.03 19 279 9379 -59.1 -67.1 35 8.0 -59.2 13 28 308.4 308.4 284.7 308.4 0.02 20 250 10060 -62.9 -70.9 33 8.0 -63.0 10 33 312.6 312.6 286.2 312.6 0.01 21 243 10235 -63.7 -71.7 33 8.0 -63.7 10 35 313.9 313.9 286.7 313.9 0.01 22 227 10656 -62.5 -70.5 33 8.0 -62.6 13 29 321.9 321.9 289.3 322.0 0.01 23 204 11325 -57.5 -65.5 35 8.0 -57.6 19 21 339.8 339.8 294.3 339.9 0.03 24 200 11450 -57.7 -65.7 35 8.0 -57.8 20 19 341.4 341.4 294.7 341.5 0.03 25 197 11546 -57.5 -65.5 35 8.0 -57.6 19 19 343.2 343.2 295.1 343.3 0.03 26 150 13280 -55.5 -64.5 32 9.0 -55.8 5 11 374.5 374.5 301.4 374.7 0.04 27 141 13674 -54.5 -64.5 28 10.0 -54.8 8 10 382.9 382.9 302.8 383.1 0.05 28 100 15860 -56.1 -68.1 21 12.0 -56.5 25 7 419.3 419.3 307.7 419.5 0.04 29 70 18130 -56.3 -70.3 16 14.0 -56.9 50 3 463.9 464.0 312.1 464.2 0.04 30 50 20260 -55.7 -71.7 12 16.0 -56.5 330 1 512.2 512.2 315.8 512.5 0.05 31 43 21225 -56.5 -73.5 10 17.0 -57.4 296 5 532.8 532.8 317.1 533.1 0.04 32 30 23540 -52.9 -71.9 8 19.0 -54.7 215 13 600.4 600.5 320.6 601.0 0.08 33 21 25867 -47.3 -70.3 5 23.0 -51.2 224 25 681.8 681.9 323.9 683.0 0.14 34 20 26190 -47.1 -71.1 5 24.0 -51.3 225 27 692.0 692.1 324.2 693.1 0.13 35 14 28560 -45.5 -71.5 4 26.0 -51.4 771.7 771.8 326.5 773.4 0.18 36 13 29057 -42.5 -68.5 4 26.0 -50.0 798.7 798.8 327.3 801.6 0.29 37 12 29593 -46.7 -72.7 4 26.0 -52.7 802.3 802.4 327.3 804.0 0.17 TRP 243 10235 -63.7 -71.7 33 8.0 -63.7 10 35 313.9 313.9 286.7 313.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5225.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 43.77 % Est. max temperature: 3.85 C = 38.92 F Sfc-Lift cond lev (LCL): 992.73 mb = 321.44 m = 1054.57 ft T: -8.07 C 700-500 lapse rate: 7.20 C/km ThetaE index: 1.17 C Layer 1000.0- 942.0 mb Conv cond level (CCL): 676.23 mb = 3277.56 m = 10753.02 ft Mean mixing ratio: 1.73 g/kg Conv temperature: 16.93 C = 62.47 F Cap Strength: 19.17 C Lifted Index: 18.91 C Risk: None Lifted Index @300 mb: 25.36 C Lifted Index @700 mb: 15.26 C Showalter Index: 11.76 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 16.60 C K Index: -10.50 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.38 J/kg Max Up Vert Vel: 6.23 m/s Conv Inhibition (B-): 67571.37 J/kg Cap Strength: 19.13 C Lift Cond Lev (LCL): 935.78 mb = 778.24 m = 2553.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 29 at 8 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 1020 111 300 3 2.6 -1.5 | 230 8 6.3 5.2 1 1000 265 350 5 0.9 -4.9 | 248 5 4.6 1.8 2 925 868 5 9 -0.8 -9.0 | 307 4 2.9 -2.2 3 850 1525 360 13 -0.0 -13.0 | 329 7 3.7 -6.3 4 700 3017 360 11 -0.0 -11.0 | 319 6 3.7 -4.3 5 500 5490 355 9 0.8 -9.0 | 296 5 4.5 -2.2 6 400 7030 10 19 -3.3 -18.7 | 358 12 0.4 -12.0 7 300 8920 15 25 -6.5 -24.1 | 9 18 -2.8 -17.4 8 250 10060 10 33 -5.7 -32.5 | 4 26 -2.0 -25.8 9 243 10235 10 35 -6.1 -34.5 | 5 28 -2.4 -27.7 10 200 11450 20 19 -6.5 -17.9 | 14 11 -2.8 -11.1 11 150 13280 5 11 -1.0 -11.0 | 327 5 2.8 -4.2 12 100 15860 25 7 -3.0 -6.3 | 243 1 0.8 0.4 13 70 18130 50 3 -2.3 -1.9 | 196 5 1.4 4.8 14 50 20260 330 1 0.5 -0.9 | 216 7 4.2 5.9 15 30 23540 215 13 7.5 10.6 | 213 21 11.2 17.4 16 20 26190 225 27 19.1 19.1 | 221 34 22.8 25.8 Wind Parameters Mean winds (0-6000m): 358.9 at 10.3 knts Storm direction: 28.9 at 7.7 knts Shear (0-3000m) pos: 1.6 neg: 0.1 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 87.8 deg Storm rel helicity (0-3000m) pos: 10.9 neg: -2.0 tot: 8.9 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.07 Bulk Shear: 3.19 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 ------------------------------------------------------------------------------- 500 350 5 254 5| 6.5 0.0 6.5| 6.5 0.0 6.5 13.0 0.69| 6.6 4.6 1000 359 7 277 4| 4.9 0.0 4.9| 9.5 0.0 9.5 9.5 0.74| 5.0 3.8 1500 360 9 298 4| 3.3 0.9 4.1| 10.9 -0.1 10.9 7.2 0.66| 4.2 2.8 2000 360 10 308 5| 2.4 0.5 2.9| 10.9 -0.7 10.2 5.1 0.60| 3.4 2.0 2500 360 10 312 5| 2.0 0.3 2.2| 10.9 -1.4 9.5 3.8 0.54| 2.8 1.5 3000 360 10 314 5| 1.6 0.1 1.8| 10.9 -2.0 8.9 3.0 0.49| 2.5 1.2 4000 360 10 314 5| 1.2 0.1 1.4| 10.9 -3.2 7.7 1.9 0.41| 2.0 0.8 5000 359 10 312 5| 1.0 0.2 1.2| 10.9 -4.4 6.5 1.3 0.33| 1.7 0.5 6000 359 10 312 5| 1.1 0.1 1.3| 16.4 -4.7 11.7 1.9 0.42| 1.8 0.7 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251016.00.gif