UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 1 DEC 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 1007 258 -45.9 -49.7 65 3.8 -46.0 45 1 226.8 226.8 226.8 226.9 0.04 1 1000 305 -41.1 -46.1 58 5.0 -41.2 190 1 232.1 232.1 231.9 232.2 0.06 2 993 353 -37.5 -43.5 53 6.0 -37.7 195 2 236.1 236.1 235.9 236.3 0.08 3 971 509 -34.3 -40.3 55 6.0 -34.6 213 3 240.9 240.9 240.5 241.2 0.12 4 959 597 -30.7 -36.7 56 6.0 -31.0 222 4 245.4 245.4 244.9 245.8 0.17 5 939 748 -27.5 -33.5 57 6.0 -27.9 238 6 250.1 250.1 249.3 250.8 0.24 6 925 856 -26.1 -31.1 63 5.0 -26.5 250 7 252.6 252.7 251.7 253.5 0.31 7 910 975 -25.1 -30.1 63 5.0 -25.6 265 7 254.8 254.9 253.6 255.8 0.34 8 869 1311 -23.9 -28.6 65 4.7 -24.4 305 6 259.5 259.5 257.6 260.6 0.42 9 850 1472 -23.9 -28.5 66 4.6 -24.4 325 5 261.1 261.2 258.9 262.3 0.43 10 828 1663 -24.7 -29.2 66 4.5 -25.2 326 6 262.2 262.3 259.8 263.4 0.41 11 700 2873 -29.3 -37.3 46 8.0 -29.9 330 13 270.0 270.1 265.1 270.7 0.22 12 635 3566 -31.5 -42.5 33 11.0 -32.2 337 21 275.2 275.2 268.4 275.6 0.14 13 623 3700 -32.5 -43.5 33 11.0 -33.1 339 22 275.5 275.5 268.6 275.9 0.13 14 542 4669 -38.5 -45.5 48 7.0 -38.8 349 34 279.6 279.6 271.1 280.0 0.12 15 500 5220 -41.5 -49.5 42 8.0 -41.8 355 40 282.4 282.5 272.7 282.7 0.08 16 400 6700 -50.7 -57.7 43 7.0 -50.8 355 54 289.1 289.1 276.3 289.2 0.04 17 322 8089 -59.1 -65.4 44 6.2 -59.2 350 66 295.9 295.9 279.6 296.0 0.02 18 300 8530 -61.9 -67.9 45 6.0 -61.9 350 62 298.1 298.1 280.5 298.1 0.01 19 295 8634 -62.7 -68.7 44 6.0 -62.7 351 61 298.4 298.4 280.6 298.4 0.01 20 272 9134 -64.7 -70.7 43 6.0 -64.7 355 56 302.5 302.5 282.4 302.5 0.01 21 254 9553 -64.7 -70.7 43 6.0 -64.7 355 50 308.5 308.5 284.8 308.5 0.01 22 250 9650 -64.7 -70.7 43 6.0 -64.7 355 48 309.9 309.9 285.3 309.9 0.01 23 200 11030 -60.7 -66.7 45 6.0 -60.8 355 35 336.6 336.6 293.5 336.7 0.02 24 198 11092 -60.5 -66.5 45 6.0 -60.6 355 35 337.9 337.9 293.9 338.0 0.03 25 150 12810 -61.1 -67.1 45 6.0 -61.2 350 33 364.8 364.8 299.7 365.0 0.03 26 100 15310 -64.3 -71.3 38 7.0 -64.4 355 29 403.5 403.5 305.7 403.6 0.03 27 82 16516 -66.5 -73.5 37 7.0 -66.6 344 26 422.6 422.6 308.0 422.7 0.02 28 70 17470 -67.7 -75.7 31 8.0 -67.8 335 23 439.5 439.6 309.8 439.7 0.02 29 50 19480 -71.1 -79.1 30 8.0 -71.2 360 17 475.9 475.9 313.1 476.0 0.02 30 46 19972 -72.1 -80.1 29 8.0 -72.2 485.0 485.0 313.8 485.1 0.01 TRP 272 9134 -64.7 -70.7 43 6.0 -64.7 355 56 302.5 302.5 282.4 302.5 0.01 WND 322 8089 -59.1 -65.4 44 6.2 -59.2 350 66 295.9 295.9 279.6 296.0 0.02 Sounding variables and indices 1000-500 mb thick: 4915.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 50.03 % Est. max temperature: -12.13 C = 10.16 F Sfc-Lift cond lev (LCL): 940.36 mb = 737.18 m = 2418.53 ft T: -27.72 C 700-500 lapse rate: 5.20 C/km ThetaE index: 0.00 C Layer 1007.0--8725724135424.0 mb Conv cond level (CCL): 1000.00 mb = 305.00 m = 1000.64 ft Mean mixing ratio: 0.19 g/kg Conv temperature: -34.80 C = -30.64 F Cap Strength: 28.80 C Lifted Index: 30.49 C Risk: None Lifted Index @300 mb: 37.43 C Lifted Index @700 mb: 22.48 C Showalter Index: 16.58 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 13.00 C K Index: -18.90 Risk: None Sweat Index: 50.00 Risk: None Energy Index: 4.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 98.21 J/kg Max Up Vert Vel: 14.02 m/s Conv Inhibition (B-): 42721.91 J/kg Cap Strength: 30.10 C Lift Cond Lev (LCL): 889.79 mb = 1138.22 m = 3734.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 17 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 1007 258 45 1 -0.7 -0.7 | 195 15 4.0 14.7 1 1000 305 190 1 0.2 1.0 | 197 17 4.9 16.4 2 925 856 250 7 6.6 2.4 | 212 21 11.3 17.8 3 850 1472 325 5 2.9 -4.1 | 214 14 7.6 11.3 4 700 2873 330 13 6.5 -11.3 | 250 12 11.2 4.1 5 500 5220 355 40 3.5 -39.8 | 341 26 8.2 -24.5 6 400 6700 355 54 4.7 -53.8 | 346 40 9.4 -38.4 7 322 8089 350 66 11.5 -65.0 | 342 52 16.2 -49.6 8 300 8530 350 62 10.8 -61.1 | 341 48 15.5 -45.7 9 272 9134 355 56 4.9 -55.8 | 347 42 9.6 -40.4 10 250 9650 355 48 4.2 -47.8 | 345 34 8.9 -32.4 11 200 11030 355 35 3.1 -34.9 | 338 21 7.8 -19.5 12 150 12810 350 33 5.7 -32.5 | 329 20 10.5 -17.1 13 100 15310 355 29 2.5 -28.9 | 332 15 7.3 -13.5 14 70 17470 335 23 9.7 -20.8 | 291 15 14.5 -5.5 15 50 19480 360 17 -0.0 -17.0 | 289 5 4.7 -1.6 Wind Parameters Mean winds (0-6000m): 347.1 at 21.5 knts Storm direction: 17.1 at 16.1 knts Shear (0-3000m) pos: 3.2 neg: 1.2 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 76.0 deg Storm rel helicity (0-3000m) pos: 80.0 neg: -3.2 tot: 76.8 m^2/s^2 ave: 25.6 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 3.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.40 Bulk Shear: 70.07 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 ------------------------------------------------------------------------------- 500 232 3 203 19| 0.0 7.1 7.1| 22.2 0.0 22.2 44.5 0.56| 8.0 4.4 1000 258 5 210 19| 3.0 3.6 6.5| 40.1 0.0 40.1 40.1 0.51| 7.7 3.9 1500 278 5 214 18| 3.0 2.4 5.3| 45.1 -3.2 41.9 28.0 0.44| 6.5 2.8 2000 298 6 218 16| 2.8 1.8 4.6| 54.3 -3.2 51.1 25.6 0.51| 5.6 2.8 2500 310 7 222 15| 2.8 1.4 4.2| 63.4 -3.2 60.3 24.1 0.56| 5.1 2.9 3000 317 8 227 14| 3.2 1.2 4.4| 80.0 -3.2 76.8 25.6 0.64| 5.1 3.3 4000 330 12 244 12| 4.0 0.9 4.9|122.3 -3.2 119.1 29.8 0.71| 5.4 3.9 5000 342 17 272 10| 4.5 0.7 5.2|177.8 -3.2 174.6 34.9 0.72| 5.7 4.1 6000 347 21 300 11| 3.7 0.7 4.5|192.9 -3.2 189.8 31.6 0.65| 5.5 3.6 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251201.00.gif