UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 10 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 1016 108 -6.9 -9.1 84 2.2 -7.5 295 5 265.0 265.3 264.7 270.1 1.89 1 1000 231 -8.3 -11.3 79 3.0 -9.1 315 9 264.9 265.1 264.1 269.2 1.61 2 925 832 -11.9 -14.5 81 2.6 -12.5 355 15 267.1 267.4 265.2 270.8 1.34 3 874 1263 -15.7 -18.2 81 2.5 -16.2 358 14 267.6 267.7 265.0 270.5 1.04 4 863 1359 -13.1 -15.0 86 1.9 -13.5 359 13 271.2 271.5 268.1 275.1 1.38 5 850 1475 -13.5 -15.5 85 2.0 -14.0 360 13 272.0 272.2 268.5 275.8 1.34 6 814 1803 -15.1 -17.3 83 2.2 -15.6 9 14 273.7 273.9 269.4 277.1 1.21 7 810 1841 -13.9 -16.0 84 2.1 -14.4 10 14 275.4 275.6 270.7 279.2 1.35 8 748 2443 -15.7 -17.8 84 2.1 -16.2 26 17 279.7 280.0 273.1 283.4 1.26 9 700 2943 -16.3 -20.6 69 4.3 -17.2 40 19 284.4 284.6 275.4 287.6 1.06 10 689 3062 -16.3 -21.3 65 5.0 -17.3 40 20 285.7 285.9 276.0 288.8 1.01 11 665 3327 -18.1 -24.1 59 6.0 -19.2 42 21 286.6 286.8 276.2 289.1 0.82 12 551 4706 -26.1 -32.1 57 6.0 -26.9 47 28 293.0 293.0 278.9 294.5 0.47 13 500 5400 -31.5 -36.4 62 4.9 -32.0 50 31 294.6 294.7 279.4 295.8 0.34 14 435 6371 -38.9 -42.9 66 4.0 -39.1 50 37 297.2 297.3 280.4 297.9 0.20 15 400 6940 -44.1 -48.1 64 4.0 -44.3 50 40 297.7 297.7 280.5 298.1 0.12 16 358 7675 -50.7 -54.6 63 3.9 -50.8 48 44 298.4 298.4 280.7 298.6 0.06 17 300 8810 -57.5 -61.3 62 3.8 -57.6 45 50 304.3 304.3 283.2 304.4 0.03 18 292 8980 -58.3 -62.1 62 3.8 -58.3 50 48 305.5 305.5 283.7 305.6 0.03 19 289 9045 -58.3 -62.1 62 3.8 -58.3 50 47 306.4 306.4 284.0 306.5 0.03 20 269 9495 -57.9 -61.6 62 3.7 -57.9 50 42 313.4 313.4 286.6 313.5 0.04 21 256 9809 -55.1 -58.8 63 3.7 -55.2 50 38 322.0 322.0 289.4 322.2 0.05 22 250 9960 -55.3 -59.0 63 3.7 -55.4 50 36 323.9 323.9 290.0 324.1 0.05 23 240 10221 -55.3 -59.0 63 3.7 -55.4 51 35 327.7 327.7 291.1 327.9 0.06 24 200 11390 -53.1 -57.7 57 4.6 -53.2 55 33 348.7 348.7 296.4 349.0 0.08 25 150 13240 -53.5 -60.5 42 7.0 -53.8 60 19 377.9 377.9 301.9 378.2 0.07 26 125 14414 -51.9 -60.9 33 9.0 -52.3 64 16 401.0 401.0 305.4 401.4 0.08 27 100 15850 -53.7 -64.7 25 11.0 -54.2 70 13 424.0 424.0 308.2 424.3 0.06 28 76 17613 -53.7 -67.7 16 14.0 -54.4 70 7 458.6 458.6 311.7 458.9 0.06 29 70 18140 -54.9 -68.9 16 14.0 -55.5 70 5 466.9 466.9 312.4 467.2 0.05 30 50 20290 -55.1 -72.1 10 17.0 -56.0 140 7 513.6 513.6 315.9 513.9 0.05 31 43 21255 -55.1 -73.1 9 18.0 -56.2 156 9 536.3 536.3 317.3 536.6 0.05 32 30 23580 -50.7 -70.7 8 20.0 -52.9 195 15 606.4 606.5 320.9 607.1 0.09 33 20 26240 -45.9 -68.9 6 23.0 -50.4 185 29 695.7 695.8 324.3 697.2 0.18 34 15 28146 -48.1 -73.1 4 25.0 -52.8 748.0 748.1 325.9 749.2 0.13 35 14 28605 -44.9 -70.9 4 26.0 -51.1 773.8 773.9 326.6 775.6 0.19 36 13 29099 -46.3 -72.3 4 26.0 -52.2 785.5 785.6 326.9 787.1 0.17 37 11 30220 -41.9 -68.9 4 27.0 -50.4 839.9 840.1 328.2 843.3 0.32 38 10 30860 -45.9 -71.9 4 26.0 -52.9 848.2 848.3 328.4 850.7 0.23 39 9.1 31486 -46.9 -72.9 4 26.0 -53.8 867.6 867.7 328.8 869.9 0.22 40 8.5 31941 -44.1 -70.1 4 26.0 -52.5 895.6 895.8 329.4 899.6 0.35 TRP 292 8980 -58.3 -62.1 62 3.8 -58.3 50 48 305.5 305.5 283.7 305.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5169.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 70.91 % Est. max temperature: -1.69 C = 28.96 F Sfc-Lift cond lev (LCL): 980.96 mb = 379.18 m = 1244.00 ft T: -9.19 C 700-500 lapse rate: 6.19 C/km ThetaE index: 0.91 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 904.28 mb = 1004.27 m = 3294.80 ft Mean mixing ratio: 1.50 g/kg Conv temperature: -4.62 C = 23.69 F Cap Strength: 19.64 C Lifted Index: 20.34 C Risk: None Lifted Index @300 mb: 24.28 C Lifted Index @700 mb: 14.15 C Showalter Index: 15.74 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 16.00 C K Index: -1.80 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 4.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.56 J/kg Max Up Vert Vel: 3.02 m/s Conv Inhibition (B-): 72995.44 J/kg Cap Strength: 20.28 C Lift Cond Lev (LCL): 923.75 mb = 842.32 m = 2763.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 66 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 108 295 5 4.5 -2.1 | 257 19 19.0 4.2 1 1000 231 315 9 6.4 -6.4 | 270 21 20.8 -0.0 2 925 832 355 15 1.3 -14.9 | 299 18 15.7 -8.6 3 850 1475 360 13 -0.0 -13.0 | 295 16 14.4 -6.6 4 700 2943 40 19 -12.2 -14.6 | 345 8 2.2 -8.2 5 500 5400 50 31 -23.7 -19.9 | 34 16 -9.3 -13.6 6 400 6940 50 40 -30.6 -25.7 | 40 25 -16.2 -19.4 7 300 8810 45 50 -35.4 -35.4 | 36 36 -20.9 -29.0 8 292 8980 50 48 -36.8 -30.9 | 42 33 -22.3 -24.5 9 250 9960 50 36 -27.6 -23.1 | 38 21 -13.1 -16.8 10 200 11390 55 33 -27.0 -18.9 | 45 18 -12.6 -12.6 11 150 13240 60 19 -16.5 -9.5 | 33 4 -2.0 -3.1 12 100 15850 70 13 -12.2 -4.4 | 229 3 2.2 1.9 13 70 18140 70 5 -4.7 -1.7 | 244 11 9.7 4.6 14 50 20290 140 7 -4.5 5.4 | 220 15 9.9 11.7 15 30 23580 195 15 3.9 14.5 | 221 28 18.3 20.8 16 20 26240 185 29 2.5 28.9 | 206 39 17.0 35.2 Wind Parameters Mean winds (0-6000m): 36.2 at 21.0 knts Storm direction: 66.2 at 15.8 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 92.6 deg Storm rel helicity (0-3000m) pos: 108.8 neg: -4.0 tot: 104.8 m^2/s^2 ave: 34.9 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 52.92 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 ------------------------------------------------------------------------------- 500 326 10 275 20| 10.2 0.0 10.2| 55.5 0.0 55.5 110.9 0.97| 11.0 10.7 1000 343 12 286 19| 6.5 0.0 6.5| 74.3 -1.5 72.8 72.8 0.88| 8.1 7.1 1500 349 13 290 18| 4.3 0.0 4.3| 77.2 -4.0 73.3 48.8 0.78| 6.2 4.8 2000 355 13 293 17| 4.0 0.0 4.0| 89.5 -4.0 85.5 42.8 0.78| 5.7 4.4 2500 3 14 298 16| 3.9 0.0 3.9|100.3 -4.0 96.4 38.6 0.79| 5.4 4.3 3000 11 15 304 14| 3.7 0.0 3.7|108.8 -4.0 104.8 34.9 0.80| 5.2 4.2 4000 22 16 317 12| 3.4 0.0 3.4|120.2 -4.0 116.2 29.1 0.80| 4.6 3.7 5000 31 19 333 11| 3.3 0.0 3.3|133.3 -4.0 129.3 25.9 0.79| 4.2 3.3 6000 36 21 349 11| 3.0 0.3 3.2|142.3 -4.0 138.4 23.1 0.74| 4.0 2.9 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251010.12.gif