UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 1 DEC 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1009 96 -0.3 -6.3 64 6.0 -2.4 260 7 272.2 272.5 270.3 278.6 2.36 1 1000 168 -0.9 -6.9 64 6.0 -2.9 260 9 272.2 272.6 270.2 278.5 2.27 2 948 592 -3.3 -9.3 63 6.0 -5.2 277 20 274.0 274.3 270.9 279.6 1.99 3 925 785 -5.9 -11.9 63 6.0 -7.6 285 25 273.3 273.6 269.9 277.9 1.66 4 857 1378 -9.3 -12.8 76 3.5 -10.2 303 23 275.8 276.0 271.4 280.5 1.66 5 850 1441 -9.5 -13.5 73 4.0 -10.6 305 23 276.2 276.5 271.5 280.7 1.58 6 849 1450 -9.7 -13.7 73 4.0 -10.8 305 23 276.1 276.3 271.4 280.5 1.56 7 812 1796 -7.5 -22.5 29 15.0 -10.8 307 29 282.0 282.1 273.6 284.3 0.77 8 804 1873 -7.7 -26.7 20 19.0 -11.5 308 31 282.5 282.6 273.6 284.2 0.53 9 777 2138 -9.1 -33.1 12 24.0 -13.0 310 35 283.8 283.9 273.9 284.8 0.30 10 770 2208 -7.1 -33.1 11 26.0 -11.6 310 37 286.7 286.8 275.5 287.7 0.31 11 752 2393 -5.3 -38.3 5 33.0 -10.7 311 40 290.6 290.6 277.3 291.2 0.19 12 742 2498 -5.5 -41.5 4 36.0 -11.0 312 42 291.5 291.5 277.6 292.0 0.14 13 700 2953 -7.7 -42.7 4 35.0 -12.8 315 50 294.0 294.0 278.8 294.4 0.13 14 622 3860 -12.9 -32.9 17 20.0 -16.3 313 49 298.1 298.2 281.1 299.4 0.39 15 554 4729 -20.1 -35.1 25 15.0 -22.2 312 49 299.6 299.7 281.7 300.8 0.35 16 524 5138 -22.5 -36.5 27 14.0 -24.3 311 48 301.5 301.6 282.4 302.6 0.32 17 500 5480 -25.1 -39.1 26 14.0 -26.6 310 48 302.4 302.5 282.7 303.3 0.26 18 457 6127 -29.5 -43.5 25 14.0 -30.7 308 51 304.8 304.8 283.6 305.4 0.18 19 400 7060 -37.7 -50.7 24 13.0 -38.4 305 56 306.0 306.0 283.9 306.3 0.09 20 300 8980 -53.5 -63.5 28 10.0 -53.7 300 62 309.9 309.9 285.3 310.0 0.02 21 276 9508 -58.3 -68.3 27 10.0 -58.4 300 64 310.5 310.5 285.5 310.5 0.01 22 250 10120 -63.1 -73.1 25 10.0 -63.1 300 66 312.3 312.3 286.1 312.3 0.01 23 244 10270 -64.0 -73.8 25 9.7 -64.1 305 66 313.0 313.0 286.4 313.1 0.01 24 229 10658 -66.5 -75.5 27 9.0 -66.5 305 66 315.0 315.0 287.1 315.0 0.01 25 215 11045 -63.3 -73.3 25 10.0 -63.4 300 60 325.7 325.7 290.5 325.7 0.01 26 200 11490 -64.3 -73.3 28 9.0 -64.4 295 54 330.9 330.9 292.0 331.0 0.01 27 195 11645 -64.5 -73.5 28 9.0 -64.6 295 53 333.0 333.0 292.6 333.1 0.01 28 155 13081 -55.7 -64.7 32 9.0 -55.9 291 43 370.6 370.6 300.7 370.8 0.04 29 150 13290 -56.5 -66.5 27 10.0 -56.7 290 42 372.7 372.7 301.1 372.9 0.03 30 100 15820 -64.3 -74.3 24 10.0 -64.4 285 35 403.5 403.5 305.7 403.6 0.02 31 98 15943 -65.3 -75.3 24 10.0 -65.4 285 35 403.9 403.9 305.7 404.0 0.01 32 82 17034 -63.1 -74.1 21 11.0 -63.3 288 34 429.5 429.5 308.8 429.6 0.02 33 70 18000 -66.5 -77.5 20 11.0 -66.7 290 33 442.1 442.1 310.1 442.2 0.01 34 60 18925 -69.1 -80.1 19 11.0 -69.2 290 30 456.2 456.2 311.4 456.3 0.01 35 53 19669 -66.7 -78.7 17 12.0 -66.9 290 28 478.3 478.3 313.3 478.4 0.02 36 50 20020 -67.5 -79.5 17 12.0 -67.7 290 27 484.4 484.4 313.8 484.5 0.01 37 31 22832 -77.1 -88.1 16 11.0 -77.2 295 43 529.5 529.5 316.9 529.5 0.01 38 30 23020 -77.5 -88.5 15 11.0 -77.6 295 44 533.4 533.4 317.1 533.4 0.01 39 24 24297 -78.1 -89.1 15 11.0 -78.2 566.8 566.8 319.0 566.8 0.01 TRP 229 10658 -66.5 -75.5 27 9.0 -66.5 305 66 315.0 315.0 287.1 315.0 0.01 WND 244 10270 -64.0 -73.8 25 9.7 -64.1 305 66 313.0 313.0 286.4 313.1 0.01 Sounding variables and indices 1000-500 mb thick: 5312.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 30.59 % Est. max temperature: 3.24 C = 37.83 F Sfc-Lift cond lev (LCL): 918.48 mb = 839.88 m = 2755.48 ft T: -6.21 C 700-500 lapse rate: 6.89 C/km ThetaE index: 1.63 C Layer 925.0- 857.0 mb Conv cond level (CCL): 602.21 mb = 4102.71 m = 13460.17 ft Mean mixing ratio: 2.00 g/kg Conv temperature: 26.16 C = 79.09 F Cap Strength: 19.37 C Lifted Index: 19.76 C Risk: None Lifted Index @300 mb: 22.07 C Lifted Index @700 mb: 15.89 C Showalter Index: 18.24 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 11.60 C K Index: -32.90 Risk: None Sweat Index: 94.00 Risk: None Energy Index: 4.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.51 J/kg Max Up Vert Vel: 3.00 m/s Conv Inhibition (B-): 41462.62 J/kg Cap Strength: 19.72 C Lift Cond Lev (LCL): 872.80 mb = 1235.98 m = 4055.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 30 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 1009 96 260 7 6.9 1.2 | 173 29 -3.6 29.0 1 1000 168 260 9 8.9 1.6 | 177 29 -1.6 29.4 2 925 785 285 25 24.1 -6.5 | 213 25 13.6 21.3 3 850 1441 305 23 18.8 -13.2 | 210 17 8.3 14.6 4 700 2953 315 50 35.4 -35.4 | 287 26 24.9 -7.6 5 500 5480 310 48 36.8 -30.9 | 277 26 26.3 -3.1 6 400 7060 305 56 45.9 -32.1 | 277 36 35.4 -4.3 7 300 8980 300 62 53.7 -31.0 | 274 43 43.2 -3.2 8 250 10120 300 66 57.2 -33.0 | 276 47 46.7 -5.2 9 244 10270 305 66 54.1 -37.9 | 283 45 43.6 -10.1 10 229 10658 305 66 54.1 -37.9 | 283 45 43.6 -10.1 11 200 11490 295 54 48.9 -22.8 | 263 39 38.4 5.0 12 150 13290 290 42 39.5 -14.4 | 245 32 29.0 13.4 13 100 15820 285 35 33.8 -9.1 | 231 30 23.3 18.7 14 70 18000 290 33 31.0 -11.3 | 231 26 20.5 16.5 15 50 20020 290 27 25.4 -9.2 | 219 24 14.9 18.6 16 30 23020 295 44 39.9 -18.6 | 253 31 29.4 9.2 Wind Parameters Mean winds (0-6000m): 309.3 at 39.6 knts Storm direction: 339.3 at 29.7 knts Shear (0-3000m) pos: 7.9 neg: 0.0 tot: 7.9 10-3/s Storm rel Dir Shear (0-3000m): 113.4 deg Storm rel helicity (0-3000m) pos: 264.3 neg: -5.5 tot: 258.8 m^2/s^2 ave: 86.3 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 7.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 120.09 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 ------------------------------------------------------------------------------- 500 271 14 186 28| 14.0 0.0 14.0|103.0 0.0 103.0 205.9 0.98| 14.4 14.1 1000 283 19 198 25| 9.6 0.0 9.6|141.4 -0.5 140.9 140.9 0.81| 12.2 9.9 1500 290 20 203 23| 7.4 0.0 7.4|152.8 -4.2 148.6 99.1 0.69| 10.5 7.2 2000 296 23 209 20| 7.9 0.0 7.9|192.0 -4.2 187.8 93.9 0.76| 10.2 7.7 2500 301 26 220 19| 8.2 0.0 8.2|233.1 -4.2 228.9 91.6 0.78| 10.1 7.8 3000 305 30 232 18| 7.9 0.0 7.9|264.3 -5.5 258.8 86.3 0.77| 9.5 7.4 4000 308 34 249 18| 5.9 0.2 6.2|264.3 -18.5 245.8 61.5 0.71| 7.4 5.3 5000 309 38 258 19| 4.8 0.4 5.1|264.3 -31.3 233.0 46.6 0.66| 6.1 4.0 6000 309 40 262 20| 4.0 0.5 4.5|265.9 -36.1 229.8 38.3 0.61| 5.5 3.3 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251201.12.gif