UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 28 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 ------------------------------------------------------------------------------- 0 1000 91 110 5 SFC 997 114 -14.9 -17.2 83 2.3 -15.3 110 5 258.5 258.6 258.0 261.2 0.99 2 967 345 -14.5 -16.9 82 2.4 -15.0 139 13 261.1 261.3 260.2 264.0 1.05 3 954 448 -11.1 -13.6 82 2.5 -11.7 151 17 265.6 265.8 264.2 269.4 1.40 4 933 619 -9.1 -12.2 78 3.1 -9.9 172 23 269.3 269.6 267.2 273.8 1.60 5 925 686 -9.1 -13.1 73 4.0 -10.1 180 25 270.0 270.3 267.5 274.2 1.50 6 919 736 -8.7 -13.5 68 4.8 -9.9 180 25 270.9 271.2 268.0 275.0 1.47 7 880 1072 -9.9 -17.9 52 8.0 -11.7 183 21 273.1 273.2 268.7 276.1 1.06 8 868 1178 -8.5 -18.5 44 10.0 -10.8 184 20 275.6 275.8 270.2 278.6 1.02 9 850 1341 -8.7 -23.7 29 15.0 -11.7 185 19 277.0 277.1 270.5 279.0 0.66 10 831 1516 -8.3 -27.3 20 19.0 -11.8 187 19 279.3 279.3 271.6 280.8 0.49 11 820 1619 -8.1 -27.1 20 19.0 -11.7 188 19 280.5 280.6 272.3 282.1 0.51 12 700 2837 -12.5 -23.5 39 11.0 -14.8 200 17 288.6 288.8 277.3 291.2 0.82 13 696 2881 -12.7 -23.7 39 11.0 -15.0 200 17 288.9 289.0 277.4 291.4 0.81 14 586 4168 -23.3 -30.3 53 7.0 -24.3 211 16 291.1 291.2 278.0 292.8 0.52 15 577 4281 -23.5 -29.5 58 6.0 -24.4 211 16 292.2 292.3 278.6 294.0 0.57 16 559 4513 -23.7 -31.7 48 8.0 -24.8 213 16 294.6 294.7 279.6 296.2 0.48 17 500 5320 -29.3 -40.3 34 11.0 -30.3 220 15 297.3 297.4 280.5 298.1 0.23 18 456 5969 -33.1 -47.1 23 14.0 -34.0 210 17 300.5 300.5 281.7 300.9 0.12 19 440 6217 -35.5 -49.5 23 14.0 -36.2 206 17 300.5 300.6 281.7 300.9 0.10 20 400 6870 -40.7 -53.7 23 13.0 -41.2 195 19 302.1 302.1 282.3 302.3 0.06 21 300 8770 -55.3 -66.3 24 11.0 -55.4 170 21 307.4 307.4 284.4 307.5 0.02 22 263 9597 -62.1 -73.1 22 11.0 -62.1 174 18 309.2 309.2 285.0 309.3 0.01 23 250 9910 -63.1 -73.1 25 10.0 -63.1 175 17 312.3 312.3 286.1 312.3 0.01 24 246 10009 -63.5 -73.5 24 10.0 -63.6 175 17 313.1 313.1 286.4 313.1 0.01 25 219 10720 -63.5 -73.5 24 10.0 -63.6 186 13 323.7 323.7 289.9 323.7 0.01 26 209 11006 -62.3 -72.3 25 10.0 -62.4 191 11 329.9 329.9 291.7 330.0 0.01 27 200 11280 -58.1 -68.1 27 10.0 -58.2 195 9 340.8 340.8 294.5 340.8 0.02 28 199 11311 -57.7 -67.7 27 10.0 -57.9 196 9 341.9 341.9 294.8 342.0 0.02 29 153 12974 -55.3 -67.3 21 12.0 -55.6 260 7 372.7 372.7 301.1 372.8 0.03 30 150 13100 -55.9 -67.9 21 12.0 -56.2 265 7 373.8 373.8 301.2 373.9 0.03 31 103 15475 -60.3 -74.3 14 14.0 -60.6 288 5 407.8 407.8 306.2 407.8 0.02 32 100 15660 -60.3 -74.3 14 14.0 -60.6 290 5 411.2 411.2 306.7 411.3 0.02 33 94 16046 -58.5 -73.5 13 15.0 -58.8 287 5 422.1 422.1 308.0 422.2 0.02 34 70 17880 -61.5 -78.5 9 17.0 -61.8 275 7 452.8 452.8 311.1 452.9 0.01 35 50 19960 -62.7 -80.7 7 18.0 -63.1 260 9 495.7 495.7 314.7 495.8 0.01 36 49 20085 -63.1 -81.1 7 18.0 -63.5 260 9 497.7 497.7 314.8 497.7 0.01 37 30 23120 -62.3 -82.3 5 20.0 -63.0 255 19 574.8 574.8 319.4 574.9 0.02 38 20 25630 -60.9 -81.9 5 21.0 -62.0 230 15 649.8 649.8 322.7 649.9 0.02 39 19 25949 -61.3 -82.3 5 21.0 -62.4 230 17 658.1 658.1 323.0 658.3 0.02 40 13 28346 -54.3 -78.3 4 24.0 -57.5 233 33 757.8 757.8 326.1 758.4 0.07 41 11 29415 -55.3 -79.3 4 24.0 -58.6 234 40 791.3 791.3 327.0 791.9 0.07 42 10 30030 -51.1 -75.1 4 24.0 -55.9 235 44 828.8 828.9 328.0 830.3 0.14 43 8.9 30794 -47.5 -73.5 3 26.0 -54.2 870.8 870.9 328.9 873.0 0.21 44 7.4 32018 -45.9 -71.9 4 26.0 -54.1 924.5 924.7 329.9 928.1 0.31 TRP 246 10009 -63.5 -73.5 24 10.0 -63.6 175 17 313.1 313.1 286.4 313.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5229.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 45.29 % Est. max temperature: 3.99 C = 39.18 F Sfc-Lift cond lev (LCL): 960.40 mb = 397.07 m = 1302.71 ft T: -12.78 C 700-500 lapse rate: 6.77 C/km Conv cond level (CCL): 997.00 mb = 113.71 m = 373.07 ft Mean mixing ratio: 1.30 g/kg Conv temperature: -14.03 C = 6.75 F Cap Strength: 21.51 C Lifted Index: 22.89 C Risk: None Lifted Index @300 mb: 26.83 C Lifted Index @700 mb: 18.30 C Showalter Index: 15.39 C Risk: None Total Totals Index: 26.20 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 5.60 C K Index: -14.10 Risk: None Sweat Index: 149.70 Risk: None Energy Index: 4.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.40 J/kg Max Up Vert Vel: 11.35 m/s Conv Inhibition (B-): 63350.91 J/kg Cap Strength: 22.75 C Lift Cond Lev (LCL): 896.27 mb = 930.27 m = 3052.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 229 at 13 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 ---------------------------------------------------------- 0 997 114 110 5 -4.7 1.7 | 65 16 -14.3 -6.7 1 925 686 180 25 0.0 25.0 | 150 19 -9.6 16.6 2 850 1341 185 19 1.7 18.9 | 143 13 -7.9 10.5 3 700 2837 200 17 5.8 16.0 | 153 8 -3.8 7.5 4 500 5320 220 15 9.6 11.5 | 181 3 0.0 3.1 5 400 6870 195 19 4.9 18.4 | 155 11 -4.7 9.9 6 300 8770 170 21 -3.6 20.7 | 133 18 -13.2 12.2 7 250 9910 175 17 -1.5 16.9 | 128 14 -11.1 8.5 8 246 10009 175 17 -1.5 16.9 | 128 14 -11.1 8.5 9 200 11280 195 9 2.3 8.7 | 92 7 -7.3 0.3 10 150 13100 265 7 7.0 0.6 | 19 8 -2.6 -7.8 11 100 15660 290 5 4.7 -1.7 | 26 11 -4.9 -10.1 12 70 17880 275 7 7.0 -0.6 | 16 9 -2.6 -9.0 13 50 19960 260 9 8.9 1.6 | 6 7 -0.7 -6.9 14 30 23120 255 19 18.4 4.9 | 292 9 8.8 -3.5 15 20 25630 230 15 11.5 9.6 | 238 2 1.9 1.2 16 10 30030 235 44 36.0 25.2 | 238 31 26.4 16.8 Wind Parameters Mean winds (0-6000m): 198.7 at 17.0 knts Storm direction: 228.7 at 12.8 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 90.6 deg Storm rel helicity (0-3000m) pos: 135.8 neg: -7.2 tot: 128.5 m^2/s^2 ave: 42.8 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.7 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 6.48 Bulk Shear: 9.94 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 ------------------------------------------------------------------------------- 500 168 14 112 13| 21.1 0.0 21.1|108.1 0.0 108.1 216.3 0.98| 23.8 23.4 1000 176 18 133 15| 10.4 0.0 10.4|129.8 -4.4 125.4 125.4 0.83| 16.1 13.4 1500 179 19 136 14| 6.3 0.0 6.3|130.8 -7.2 123.6 82.4 0.74| 11.8 8.8 2000 182 19 139 14| 4.6 0.0 4.6|133.0 -7.2 125.7 62.9 0.73| 9.3 6.8 2500 185 18 141 13| 3.7 0.0 3.7|134.6 -7.2 127.3 50.9 0.71| 7.8 5.5 3000 187 18 142 12| 3.0 0.0 3.0|135.8 -7.2 128.5 42.8 0.70| 6.7 4.7 4000 191 18 146 11| 2.3 0.0 2.3|137.5 -7.2 130.3 32.6 0.68| 5.4 3.7 5000 196 17 149 10| 1.8 0.0 1.8|138.7 -7.2 131.5 26.3 0.67| 4.5 3.0 6000 199 17 152 9| 1.5 0.3 1.8|138.9 -9.0 129.9 21.7 0.58| 4.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251028.00.gif