UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 28 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 ------------------------------------------------------------------------------- SFC 1003 108 -36.7 -40.2 70 3.5 -36.8 315 1 236.2 236.3 236.1 236.6 0.11 1 1000 129 -36.3 -42.3 54 6.0 -36.5 320 1 236.9 236.9 236.7 237.1 0.09 2 995 164 -35.9 -40.9 60 5.0 -36.1 327 2 237.6 237.6 237.4 237.9 0.11 3 994 171 -34.1 -39.1 61 5.0 -34.3 329 2 239.5 239.5 239.2 239.8 0.13 4 985 235 -30.7 -36.7 56 6.0 -31.0 342 3 243.5 243.5 243.1 244.0 0.17 5 927 671 -24.1 -28.7 66 4.6 -24.5 72 9 254.5 254.6 253.4 255.6 0.39 6 925 687 -23.9 -28.5 66 4.6 -24.4 75 9 254.9 254.9 253.8 256.0 0.39 7 888 986 -23.1 -27.0 70 3.9 -23.5 92 11 258.7 258.8 257.1 260.0 0.47 8 850 1305 -24.5 -28.2 71 3.7 -24.9 110 13 260.5 260.6 258.5 261.7 0.44 9 741 2297 -28.1 -31.4 73 3.3 -28.4 114 13 267.0 267.0 263.3 268.1 0.37 10 700 2703 -30.9 -34.0 74 3.1 -31.2 115 13 268.3 268.3 264.0 269.2 0.31 11 500 5020 -45.3 -49.1 65 3.8 -45.4 100 9 277.8 277.8 269.9 278.1 0.09 12 427 6058 -51.9 -55.6 64 3.7 -52.0 93 5 282.2 282.2 272.5 282.4 0.05 13 400 6480 -53.5 -57.5 62 4.0 -53.6 90 3 285.5 285.5 274.3 285.6 0.04 14 344 7438 -58.1 -62.1 60 4.0 -58.2 350 1 291.8 291.8 277.6 291.9 0.03 15 336 7586 -58.1 -62.1 60 4.0 -58.2 338 2 293.8 293.8 278.6 293.9 0.03 16 305 8196 -57.5 -61.5 60 4.0 -57.6 288 5 302.9 302.9 282.6 303.0 0.03 17 300 8300 -58.1 -62.2 59 4.1 -58.2 280 5 303.4 303.5 282.8 303.6 0.03 18 261 9179 -59.3 -63.4 59 4.1 -59.3 238 5 314.0 314.0 286.8 314.1 0.03 19 250 9450 -58.9 -63.1 58 4.2 -59.0 225 5 318.5 318.5 288.3 318.6 0.03 20 210 10550 -56.3 -60.5 59 4.2 -56.4 241 3 338.8 338.9 294.1 339.1 0.05 21 200 10860 -56.7 -61.1 57 4.4 -56.8 245 3 343.0 343.0 295.1 343.2 0.05 22 150 12670 -59.3 -64.3 52 5.0 -59.4 215 11 367.9 367.9 300.2 368.1 0.04 23 100 15210 -60.7 -66.7 45 6.0 -60.9 180 15 410.4 410.5 306.6 410.7 0.05 24 70 17410 -63.3 -69.3 44 6.0 -63.4 200 21 449.0 449.0 310.8 449.2 0.05 25 56 18784 -62.5 -69.5 38 7.0 -62.7 177 24 480.4 480.4 313.5 480.7 0.06 26 50 19480 -64.5 -71.5 38 7.0 -64.7 165 25 491.5 491.5 314.4 491.8 0.05 27 47 19857 -66.1 -73.1 37 7.0 -66.3 166 29 496.4 496.4 314.7 496.7 0.04 28 42 20543 -63.9 -70.9 38 7.0 -64.1 168 35 518.1 518.1 316.2 518.5 0.06 29 38 21153 -66.9 -73.9 37 7.0 -67.1 170 41 525.5 525.5 316.6 525.8 0.05 30 35 21651 -66.5 -74.5 32 8.0 -66.8 172 45 539.1 539.1 317.5 539.4 0.05 31 32 22200 -61.3 -69.3 34 8.0 -61.8 174 50 567.0 567.0 319.0 567.7 0.11 32 30 22600 -62.3 -70.3 33 8.0 -62.8 175 54 574.8 574.8 319.5 575.5 0.10 33 22 24512 -64.1 -72.1 33 8.0 -64.6 171 81 622.8 622.8 321.6 623.5 0.10 34 20 25100 -61.8 -69.8 34 8.0 -62.5 170 89 647.1 647.2 322.6 648.4 0.16 35 19 25419 -60.5 -68.5 34 8.0 -61.4 660.6 660.7 323.2 662.2 0.20 TRP 344 7438 -58.1 -62.1 60 4.0 -58.2 350 1 291.8 291.8 277.6 291.9 0.03 WND 20 25100 -61.8 -69.8 34 8.0 -62.5 170 89 647.1 647.2 322.6 648.4 0.16 Sounding variables and indices 1000-500 mb thick: 4891.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 69.48 % Est. max temperature: -12.59 C = 9.34 F Sfc-Lift cond lev (LCL): 944.04 mb = 540.25 m = 1772.45 ft T: -26.08 C 700-500 lapse rate: 6.21 C/km ThetaE index: 0.00 C Layer 1003.0--8725724135424.0 mb Conv cond level (CCL): 1000.00 mb = 129.00 m = 423.22 ft Mean mixing ratio: 0.28 g/kg Conv temperature: -30.90 C = -23.61 F Cap Strength: 16.83 C Lifted Index: 22.94 C Risk: None Lifted Index @300 mb: 37.97 C Lifted Index @700 mb: 16.83 C Showalter Index: 13.27 C Risk: None Total Totals Index: 37.90 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 17.10 C K Index: -10.50 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.15 J/kg Max Up Vert Vel: 10.21 m/s Conv Inhibition (B-): 63013.79 J/kg Cap Strength: 22.68 C Lift Cond Lev (LCL): 889.38 mb = 974.18 m = 3196.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 136 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 1003 108 315 1 0.7 -0.7 | 316 9 6.0 -6.1 1 1000 129 320 1 0.6 -0.8 | 316 9 5.9 -6.2 2 925 687 75 9 -8.7 -2.3 | 24 8 -3.4 -7.7 3 850 1305 110 13 -12.2 4.4 | 82 7 -6.9 -1.0 4 700 2703 115 13 -11.8 5.5 | 91 6 -6.5 0.1 5 500 5020 100 9 -8.9 1.6 | 43 5 -3.6 -3.8 6 400 6480 90 3 -3.0 0.0 | 337 6 2.3 -5.4 7 344 7438 350 1 0.2 -1.0 | 319 8 5.5 -6.4 8 300 8300 280 5 4.9 -0.9 | 302 12 10.2 -6.3 9 250 9450 225 5 3.5 3.5 | 282 9 8.8 -1.9 10 200 10860 245 3 2.7 1.3 | 297 9 8.0 -4.1 11 150 12670 215 11 6.3 9.0 | 253 12 11.6 3.6 12 100 15210 180 15 0.0 15.0 | 209 11 5.3 9.6 13 70 17410 200 21 7.2 19.7 | 221 19 12.5 14.3 14 50 19480 165 25 -6.5 24.1 | 176 19 -1.2 18.7 15 30 22600 175 54 -4.7 53.8 | 181 48 0.6 48.4 16 20 25100 170 89 -15.5 87.6 | 173 83 -10.2 82.2 Wind Parameters Mean winds (0-6000m): 105.6 at 10.1 knts Storm direction: 135.6 at 7.6 knts Shear (0-3000m) pos: 2.4 neg: 0.1 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 127.7 deg Storm rel helicity (0-3000m) pos: 48.3 neg: -1.4 tot: 47.0 m^2/s^2 ave: 15.7 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 5.62 Bulk Shear: 9.28 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 51 4 346 8| 8.4 0.0 8.4| 25.6 0.0 25.6 51.3 0.90| 10.8 9.8 1000 81 7 15 7| 6.5 0.0 6.5| 41.5 0.0 41.5 41.5 0.92| 9.4 8.7 1500 95 9 38 6| 4.8 0.0 4.8| 46.9 0.0 46.9 31.3 0.93| 7.3 6.8 2000 101 10 52 6| 3.6 0.0 3.6| 47.6 0.0 47.6 23.8 0.93| 5.6 5.2 2500 104 11 61 6| 2.9 0.0 2.9| 48.2 0.0 48.2 19.3 0.93| 4.5 4.2 3000 106 11 66 6| 2.4 0.1 2.5| 48.3 -1.4 47.0 15.7 0.86| 3.9 3.4 4000 107 11 68 6| 1.8 0.4 2.2| 48.3 -4.5 43.8 11.0 0.70| 3.2 2.3 5000 107 11 66 6| 1.4 0.5 2.0| 48.3 -7.6 40.7 8.1 0.57| 2.8 1.6 6000 106 10 59 5| 1.2 0.8 2.0| 48.3 -13.1 35.3 5.9 0.36| 2.7 1.0 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251128.12.gif