UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110400.upa.cvt Date: 0000Z 4 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 4 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 ------------------------------------------------------------------------------- 0 1000 80 165 3 SFC 996 110 -21.3 -24.0 79 2.7 -21.6 165 3 252.1 252.2 251.8 253.6 0.55 2 976 259 -21.7 -25.3 73 3.6 -22.1 186 10 253.2 253.3 252.6 254.6 0.50 3 973 282 -19.9 -23.7 72 3.8 -20.4 189 11 255.2 255.3 254.5 256.8 0.58 4 960 382 -18.3 -21.8 74 3.5 -18.8 202 16 257.8 258.0 256.9 259.7 0.69 5 925 658 -19.5 -22.5 77 3.0 -19.9 240 29 259.4 259.5 258.1 261.2 0.68 6 910 779 -20.1 -23.2 76 3.1 -20.5 239 29 260.0 260.1 258.5 261.8 0.65 7 860 1199 -19.7 -22.6 78 2.9 -20.1 236 29 264.6 264.7 262.2 266.7 0.72 8 850 1286 -20.3 -23.2 78 2.9 -20.7 235 29 264.9 265.0 262.4 266.8 0.69 9 781 1907 -24.9 -28.2 74 3.3 -25.3 250 30 266.4 266.5 263.1 267.8 0.48 10 700 2699 -27.9 -31.0 75 3.1 -28.2 270 31 271.6 271.7 266.5 272.8 0.41 11 676 2949 -28.9 -32.3 72 3.4 -29.2 272 33 273.2 273.3 267.6 274.3 0.38 12 511 4893 -42.7 -46.6 65 3.9 -42.9 289 53 279.2 279.3 270.9 279.6 0.11 13 500 5040 -43.3 -47.3 65 4.0 -43.5 290 54 280.2 280.3 271.5 280.6 0.11 14 442 5864 -47.6 -52.1 59 4.6 -47.7 295 60 284.9 284.9 274.1 285.1 0.07 15 411 6343 -50.1 -55.0 56 4.9 -50.2 299 57 287.6 287.6 275.5 287.8 0.05 16 400 6520 -50.5 -55.5 55 5.0 -50.6 300 56 289.4 289.4 276.4 289.5 0.05 17 354 7310 -52.3 -58.3 48 6.0 -52.4 297 52 297.2 297.2 280.2 297.4 0.04 18 330 7759 -54.9 -60.9 47 6.0 -55.0 295 50 299.7 299.7 281.3 299.8 0.03 19 302 8327 -52.5 -58.5 48 6.0 -52.6 304 39 310.8 310.8 285.7 310.9 0.05 20 300 8370 -52.5 -58.5 48 6.0 -52.6 305 38 311.3 311.4 285.9 311.5 0.05 21 250 9560 -50.1 -58.1 38 8.0 -50.3 285 36 331.6 331.6 292.2 331.8 0.06 22 205 10849 -48.5 -59.5 27 11.0 -48.9 281 32 353.5 353.5 297.4 353.7 0.06 23 200 11010 -49.5 -60.5 26 11.0 -49.9 280 31 354.4 354.4 297.6 354.6 0.06 24 179 11734 -51.9 -64.9 20 13.0 -52.2 278 30 361.9 361.9 299.1 362.0 0.03 25 150 12880 -52.3 -67.3 15 15.0 -52.7 275 29 380.0 380.0 302.3 380.1 0.03 26 140 13325 -53.3 -68.3 14 15.0 -53.7 272 29 385.8 385.8 303.2 385.9 0.03 27 105 15177 -53.3 -70.3 11 17.0 -53.9 262 31 418.9 418.9 307.6 419.0 0.03 28 100 15490 -54.5 -72.5 9 18.0 -55.0 260 31 422.4 422.4 308.0 422.5 0.02 29 70 17750 -57.9 -76.9 7 19.0 -58.4 260 29 460.5 460.5 311.8 460.6 0.02 30 61 18614 -60.3 -79.3 7 19.0 -60.7 256 33 473.7 473.7 313.0 473.7 0.01 31 50 19850 -61.7 -80.7 6 19.0 -62.1 250 40 498.1 498.1 314.8 498.2 0.01 32 36 21875 -63.5 -83.5 5 20.0 -64.0 256 43 542.5 542.5 317.6 542.6 0.01 33 30 23000 -61.3 -81.3 5 20.0 -62.0 260 44 577.5 577.5 319.5 577.6 0.02 34 27 23651 -60.9 -80.9 5 20.0 -61.8 254 46 596.3 596.3 320.5 596.5 0.02 35 20 25500 -62.9 -82.9 5 20.0 -63.8 235 52 643.6 643.6 322.4 643.8 0.02 36 10 29780 -61.3 -82.3 5 21.0 -63.3 235 71 790.7 790.8 327.0 791.1 0.05 37 8.0 31169 -59.9 -80.9 5 21.0 -62.6 848.4 848.4 328.4 849.1 0.07 TRP 330 7759 -54.9 -60.9 47 6.0 -55.0 295 50 299.7 299.7 281.3 299.8 0.03 WND 442 5864 -47.6 -52.1 59 4.6 -47.7 295 60 284.9 284.9 274.1 285.1 0.07 Sounding variables and indices 1000-500 mb thick: 4960.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 72.38 % Est. max temperature: -8.48 C = 16.73 F Sfc-Lift cond lev (LCL): 952.46 mb = 440.35 m = 1444.72 ft T: -18.55 C 700-500 lapse rate: 6.58 C/km ThetaE index: 0.00 C Layer 996.0- 0.0 mb Conv cond level (CCL): 771.82 mb = 1992.89 m = 6538.27 ft Mean mixing ratio: 0.64 g/kg Conv temperature: -6.47 C = 20.36 F Cap Strength: 16.52 C Lifted Index: 17.27 C Risk: None Lifted Index @300 mb: 36.89 C Lifted Index @700 mb: 11.57 C Showalter Index: 11.11 C Risk: None Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 20.10 C K Index: -3.30 Risk: None Sweat Index: 239.39 Risk: None Energy Index: 2.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.90 J/kg Max Up Vert Vel: 8.35 m/s Conv Inhibition (B-): 67137.36 J/kg Cap Strength: 16.84 C Lift Cond Lev (LCL): 896.20 mb = 892.95 m = 2929.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 at 29 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 ---------------------------------------------------------- 0 996 110 165 3 -0.8 2.9 | 129 31 -24.3 20.0 1 925 658 240 29 25.1 14.5 | 183 32 1.6 31.6 2 850 1286 235 29 23.8 16.6 | 180 34 0.2 33.7 3 700 2699 270 31 31.0 -0.0 | 204 19 7.4 17.1 4 500 5040 290 54 50.7 -18.5 | 273 27 27.2 -1.4 5 442 5864 295 60 54.4 -25.4 | 285 32 30.8 -8.3 6 400 6520 300 56 48.5 -28.0 | 294 27 24.9 -10.9 7 330 7759 295 50 45.3 -21.1 | 281 22 21.8 -4.0 8 300 8370 305 38 31.1 -21.8 | 302 9 7.6 -4.7 9 250 9560 285 36 34.8 -9.3 | 235 14 11.2 7.8 10 200 11010 280 31 30.5 -5.4 | 211 14 7.0 11.7 11 150 12880 275 29 28.9 -2.5 | 200 16 5.3 14.6 12 100 15490 260 31 30.5 5.4 | 197 24 7.0 22.5 13 70 17750 260 29 28.6 5.0 | 193 23 5.0 22.1 14 50 19850 250 40 37.6 13.7 | 205 34 14.0 30.8 15 30 23000 260 44 43.3 7.6 | 219 32 19.8 24.7 16 20 25500 235 52 42.6 29.8 | 202 51 19.0 46.9 17 10 29780 235 71 58.2 40.7 | 211 67 34.6 57.8 Wind Parameters Mean winds (0-6000m): 275.9 at 38.8 knts Storm direction: 305.9 at 29.1 knts Shear (0-3000m) pos: 6.2 neg: 0.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 88.0 deg Storm rel helicity (0-3000m) pos: 388.8 neg: -9.7 tot: 379.0 m^2/s^2 ave: 126.3 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 7.9 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.30 Bulk Shear: 115.25 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 ------------------------------------------------------------------------------- 500 234 15 156 28| 26.5 0.0 26.5|262.9 0.0 262.9 525.9 0.95| 31.1 29.4 1000 237 22 170 30| 14.5 0.0 14.5|293.5 -7.7 285.8 285.8 0.88| 18.3 16.1 1500 237 24 174 30| 9.9 0.0 9.9|314.5 -9.7 304.7 203.2 0.84| 13.7 11.5 2000 241 26 178 30| 7.8 0.0 7.8|342.7 -9.7 332.9 166.5 0.81| 11.9 9.6 2500 246 27 182 28| 6.5 0.0 6.5|363.4 -9.7 353.7 141.5 0.77| 10.9 8.4 3000 251 28 185 26| 6.2 0.0 6.2|388.8 -9.7 379.0 126.3 0.78| 10.1 7.9 4000 260 31 197 23| 6.0 0.0 6.0|447.2 -9.7 437.5 109.4 0.81| 9.0 7.3 5000 269 35 213 21| 5.8 0.0 5.8|515.3 -9.7 505.6 101.1 0.82| 8.5 6.9 6000 276 39 229 20| 5.2 0.0 5.2|573.7 -9.7 563.9 94.0 0.82| 7.8 6.4 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251104.00.gif