UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112912.upa.cvt Date: 1200Z 29 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 29 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 1012 108 -37.9 -41.9 66 4.0 -38.0 195 1 234.4 234.5 234.4 234.7 0.10 1 1002 177 -37.5 -42.2 61 4.7 -37.7 245 3 235.5 235.5 235.4 235.8 0.09 2 1001 184 -35.1 -39.7 63 4.6 -35.3 250 3 238.0 238.0 237.8 238.3 0.12 3 1000 191 -34.9 -39.5 63 4.6 -35.1 255 3 238.2 238.3 238.1 238.6 0.12 4 967 426 -33.5 -38.0 64 4.5 -33.7 307 5 242.0 242.0 241.6 242.4 0.15 5 960 478 -26.3 -30.8 66 4.5 -26.6 318 5 249.7 249.8 249.1 250.6 0.31 6 955 516 -24.1 -28.6 66 4.5 -24.5 326 5 252.4 252.4 251.6 253.4 0.38 7 937 655 -22.3 -25.9 72 3.6 -22.7 355 6 255.6 255.6 254.6 256.9 0.49 8 925 750 -22.5 -25.9 74 3.4 -22.9 15 7 256.3 256.4 255.2 257.7 0.50 9 900 951 -22.3 -25.9 72 3.6 -22.7 15 7 258.5 258.6 257.1 260.0 0.51 10 850 1369 -24.9 -28.5 72 3.6 -25.3 15 7 260.1 260.1 258.1 261.3 0.43 11 700 2761 -31.1 -34.6 71 3.5 -31.4 40 3 268.0 268.1 263.9 268.9 0.29 12 665 3123 -32.9 -36.9 67 4.0 -33.2 22 4 270.0 270.0 265.1 270.7 0.24 13 516 4869 -43.7 -48.7 58 5.0 -43.9 291 10 277.2 277.3 269.6 277.5 0.09 14 500 5080 -44.7 -49.7 57 5.0 -44.9 280 11 278.5 278.6 270.4 278.8 0.08 15 473 5450 -45.5 -50.5 57 5.0 -45.6 279 12 282.0 282.0 272.5 282.3 0.08 16 400 6550 -51.9 -57.9 48 6.0 -52.0 275 17 287.5 287.5 275.5 287.7 0.04 17 396 6615 -52.7 -58.7 48 6.0 -52.8 275 17 287.3 287.3 275.3 287.4 0.04 18 308 8215 -59.9 -66.9 40 7.0 -60.0 275 27 298.7 298.7 280.8 298.7 0.02 19 300 8380 -60.1 -67.1 39 7.0 -60.2 275 25 300.6 300.6 281.6 300.7 0.02 20 294 8505 -60.3 -67.3 39 7.0 -60.4 272 24 302.1 302.1 282.3 302.1 0.02 21 250 9510 -58.7 -65.7 40 7.0 -58.8 245 17 318.8 318.8 288.4 318.9 0.02 22 237 9847 -57.9 -64.9 40 7.0 -58.0 234 15 324.9 324.9 290.3 325.0 0.03 23 200 10920 -57.9 -65.9 35 8.0 -58.0 200 9 341.1 341.1 294.6 341.2 0.03 24 150 12730 -57.9 -67.9 27 10.0 -58.1 190 11 370.3 370.3 300.7 370.4 0.03 25 100 15260 -60.5 -72.5 19 12.0 -60.7 175 19 410.8 410.8 306.6 410.9 0.02 26 70 17470 -63.1 -77.1 13 14.0 -63.3 185 19 449.4 449.4 310.8 449.5 0.02 27 50 19540 -64.9 -79.9 11 15.0 -65.2 180 23 490.5 490.5 314.2 490.6 0.01 28 41 20751 -65.3 -80.3 11 15.0 -65.6 174 32 518.2 518.2 316.2 518.3 0.02 29 30 22660 -64.3 -80.3 9 16.0 -64.8 165 46 569.3 569.4 319.1 569.5 0.02 30 20 25170 -61.5 -78.5 9 17.0 -62.5 175 79 647.9 647.9 322.6 648.3 0.04 31 18 25825 -60.6 -78.0 8 17.5 -61.8 165 81 670.7 670.7 323.4 671.1 0.05 32 16 26560 -59.5 -77.5 8 18.0 -61.0 697.1 697.2 324.4 697.7 0.06 TRP 308 8215 -59.9 -66.9 40 7.0 -60.0 275 27 298.7 298.7 280.8 298.7 0.02 WND 18 25825 -60.6 -78.0 8 17.5 -61.8 165 81 670.7 670.7 323.4 671.1 0.05 Sounding variables and indices 1000-500 mb thick: 4889.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 66.94 % Est. max temperature: -12.58 C = 9.36 F Sfc-Lift cond lev (LCL): 943.96 mb = 601.05 m = 1971.92 ft T: -23.00 C 700-500 lapse rate: 5.86 C/km Conv cond level (CCL): 1002.00 mb = 177.05 m = 580.85 ft Mean mixing ratio: 0.30 g/kg Conv temperature: -29.91 C = -21.84 F Cap Strength: 24.13 C Lifted Index: 24.98 C Risk: None Lifted Index @300 mb: 37.20 C Lifted Index @700 mb: 18.16 C Showalter Index: 14.23 C Risk: None Total Totals Index: 36.00 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 16.20 C K Index: -12.20 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 112.98 J/kg Max Up Vert Vel: 15.03 m/s Conv Inhibition (B-): 59863.31 J/kg Cap Strength: 24.80 C Lift Cond Lev (LCL): 923.19 mb = 764.38 m = 2507.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 at 6 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 1012 108 195 1 0.3 1.0 | 166 6 -1.5 6.2 1 1000 191 255 3 2.9 0.8 | 191 6 1.1 6.0 2 925 750 15 7 -1.8 -6.8 | 67 4 -3.6 -1.5 3 850 1369 15 7 -1.8 -6.8 | 67 4 -3.6 -1.5 4 700 2761 40 3 -1.9 -2.3 | 129 5 -3.7 2.9 5 500 5080 280 11 10.8 -1.9 | 250 10 9.1 3.3 6 400 6550 275 17 16.9 -1.5 | 256 16 15.2 3.8 7 308 8215 275 27 26.9 -2.4 | 263 25 25.1 2.9 8 300 8380 275 25 24.9 -2.2 | 262 23 23.2 3.1 9 250 9510 245 17 15.4 7.2 | 228 18 13.7 12.4 10 200 10920 200 9 3.1 8.5 | 186 14 1.3 13.7 11 150 12730 190 11 1.9 10.8 | 181 16 0.2 16.1 12 100 15260 175 19 -1.7 18.9 | 172 24 -3.4 24.2 13 70 17470 185 19 1.7 18.9 | 180 24 -0.1 24.2 14 50 19540 180 23 0.0 23.0 | 176 28 -1.7 28.2 15 30 22660 165 46 -11.9 44.4 | 165 52 -13.7 49.7 16 20 25170 175 79 -6.9 78.7 | 174 84 -8.6 83.9 Wind Parameters Mean winds (0-6000m): 311.5 at 7.4 knts Storm direction: 341.5 at 5.5 knts Shear (0-3000m) pos: 0.8 neg: 0.2 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): -54.4 deg Storm rel helicity (0-3000m) pos: 13.1 neg: -1.1 tot: 12.0 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 78.26 Bulk Shear: 1.44 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 ------------------------------------------------------------------------------- 500 312 4 207 3| 7.1 0.0 7.1| 7.7 0.0 7.7 15.4 0.77| 11.5 8.8 1000 3 5 85 2| 4.1 0.0 4.1| 8.3 0.0 8.3 8.3 0.69| 7.6 5.3 1500 9 6 77 3| 2.5 0.0 2.5| 9.2 0.0 9.2 6.1 0.70| 5.4 3.8 2000 12 6 82 3| 1.5 0.0 1.5| 11.0 0.0 11.0 5.5 0.73| 4.5 3.3 2500 15 5 89 3| 0.9 0.0 0.9| 12.7 0.0 12.7 5.1 0.75| 3.9 2.9 3000 16 5 95 3| 0.8 0.2 1.0| 13.1 -1.1 12.0 4.0 0.65| 3.6 2.3 4000 7 5 88 2| 0.6 0.9 1.5| 13.1 -3.6 9.5 2.4 0.31| 3.5 1.1 5000 336 6 295 1| 0.5 1.3 1.8| 13.1 -11.9 1.2 0.2 0.09| 3.7 0.4 6000 312 7 265 4| 0.4 1.5 1.9| 16.2 -11.9 4.3 0.7 0.11| 3.5 0.4 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251129.12.gif