UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for U2845... Searching the city database file for: U2845 ... Date:0000Z 2 DEC 25 Station: U2845 WMO ident: 22845 Latitude: 61.50 Longitude: 38.93 ------------------------------------------------------------------------------- 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 116 225 5 SFC 999 124 1.6 0.2 90 1.4 1.0 225 5 274.8 275.5 274.2 285.4 3.88 2 938 629 -1.3 -3.6 84 2.3 -2.2 237 25 276.9 277.4 274.3 285.5 3.12 3 925 740 -1.1 -3.3 85 2.2 -2.0 240 29 278.2 278.7 275.2 287.2 3.23 4 908 888 0.8 -1.0 88 1.8 0.0 244 30 281.6 282.3 277.9 292.6 3.91 5 850 1417 -0.7 -2.7 86 2.0 -1.6 260 33 285.4 286.1 279.5 295.9 3.68 6 824 1665 -1.1 -3.3 85 2.2 -2.0 258 34 287.5 288.2 280.4 298.0 3.63 7 700 2950 -7.7 -10.0 84 2.3 -8.5 250 42 294.0 294.4 282.0 301.6 2.55 8 518 5214 -23.9 -27.6 71 3.7 -24.5 246 49 300.8 301.0 282.7 303.3 0.76 9 500 5470 -26.3 -29.7 73 3.4 -26.8 245 50 301.0 301.1 282.7 303.1 0.65 10 486 5675 -28.1 -31.4 73 3.3 -28.5 246 51 301.2 301.3 282.6 303.1 0.57 11 450 6225 -31.3 -34.8 71 3.5 -31.7 247 55 303.9 304.0 283.5 305.4 0.44 12 441 6368 -33.5 -37.3 69 3.8 -33.8 248 56 302.9 302.9 283.0 304.1 0.35 13 400 7050 -36.9 -40.5 69 3.6 -37.2 250 60 307.0 307.1 284.6 308.0 0.28 14 391 7207 -37.5 -41.2 68 3.7 -37.8 250 61 308.3 308.3 285.0 309.2 0.27 15 388 7260 -38.3 -42.1 67 3.8 -38.6 250 62 307.9 307.9 284.8 308.7 0.24 16 354 7882 -42.9 -46.6 67 3.7 -43.1 250 66 309.9 309.9 285.5 310.5 0.16 17 351 7939 -43.3 -47.0 67 3.7 -43.5 250 67 310.1 310.1 285.5 310.7 0.16 18 350 7958 -45.5 -49.1 67 3.6 -45.6 250 67 307.4 307.4 284.5 307.8 0.13 19 329 8368 -47.3 -50.8 67 3.5 -47.4 250 70 310.4 310.4 285.6 310.8 0.11 20 300 8970 -51.9 -55.4 66 3.5 -52.0 250 75 312.2 312.2 286.2 312.5 0.07 21 294 9100 -53.1 -56.8 64 3.7 -53.2 250 75 312.3 312.3 286.2 312.5 0.06 22 287 9254 -55.7 -59.3 64 3.6 -55.8 250 76 310.7 310.8 285.7 310.9 0.04 23 275 9524 -56.8 -60.4 64 3.6 -56.9 250 77 312.9 313.0 286.4 313.1 0.04 24 270 9640 -57.3 -60.9 63 3.6 -57.3 250 77 313.9 313.9 286.8 314.0 0.04 25 253 10046 -60.7 -64.4 62 3.7 -60.7 250 77 314.7 314.8 287.1 314.9 0.03 26 250 10120 -60.7 -64.4 62 3.7 -60.7 250 77 315.8 315.8 287.4 315.9 0.03 27 200 11510 -60.7 -64.5 61 3.8 -60.7 260 50 336.6 336.6 293.5 336.8 0.03 28 150 13300 -59.7 -64.0 57 4.3 -59.8 265 40 367.2 367.2 300.1 367.4 0.05 29 109 15293 -59.7 -64.5 53 4.8 -59.8 277 33 402.3 402.4 305.6 402.6 0.06 30 100 15830 -60.7 -65.5 53 4.8 -60.8 280 31 410.4 410.5 306.6 410.7 0.06 31 87 16694 -63.7 -68.7 50 5.0 -63.8 280 30 421.1 421.1 307.9 421.3 0.04 32 70 18030 -64.1 -69.1 50 5.0 -64.2 280 29 447.3 447.3 310.6 447.5 0.05 33 57 19275 -65.7 -70.7 50 5.0 -65.8 283 30 470.7 470.7 312.7 471.0 0.05 34 56 19381 -67.9 -73.9 42 6.0 -68.0 283 30 468.1 468.1 312.5 468.2 0.03 35 50 20060 -67.3 -73.3 42 6.0 -67.4 285 31 484.9 484.9 313.8 485.1 0.04 36 46 20564 -66.3 -72.3 43 6.0 -66.5 499.0 499.0 314.9 499.3 0.05 37 42 21110 -70.3 -75.3 48 5.0 -70.4 502.3 502.3 315.1 502.5 0.03 38 30 23090 -74.3 -80.3 39 6.0 -74.4 542.1 542.1 317.6 542.2 0.02 TRP 253 10046 -60.7 -64.4 62 3.7 -60.7 250 77 314.7 314.8 287.1 314.9 0.03 WND 275 9524 -56.8 -60.4 64 3.6 -56.9 250 77 312.9 313.0 286.4 313.1 0.04 Sounding variables and indices 1000-500 mb thick: 5354.00 m Freezing level: 965.34 mb = 402.51 m = 1320.56 ft Freezing level: 915.16 mb = 825.93 m = 2709.72 ft Freezing level: 877.07 mb = 1170.33 m = 3839.63 ft Wetbulb zero: 979.59 mb = 281.19 m = 922.53 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 81.37 % Est. max temperature: 12.26 C = 54.07 F Sfc-Lift cond lev (LCL): 977.39 mb = 299.21 m = 981.66 ft T: 0.59 C 700-500 lapse rate: 7.38 C/km Conv cond level (CCL): 746.50 mb = 2443.25 m = 8015.81 ft Mean mixing ratio: 3.51 g/kg Conv temperature: 18.19 C = 64.75 F Cap Strength: 12.35 C Lifted Index: 12.18 C Risk: None Lifted Index @300 mb: 17.87 C Lifted Index @700 mb: 9.92 C Showalter Index: 5.56 C Risk: None Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 23.60 C K Index: 20.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 120.00 Risk: None Energy Index: 1.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.16 J/kg Max Up Vert Vel: 7.37 m/s Conv Inhibition (B-): 40313.49 J/kg Cap Strength: 12.28 C Lift Cond Lev (LCL): 920.19 mb = 781.76 m = 2564.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 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 ---------------------------------------------------------- 0 999 124 225 5 3.5 3.5 | 107 27 -26.2 8.1 1 925 740 240 29 25.1 14.5 | 166 20 -4.6 19.0 2 850 1417 260 33 32.5 5.7 | 195 11 2.8 10.2 3 700 2950 250 42 39.5 14.4 | 207 21 9.8 18.9 4 500 5470 245 50 45.3 21.1 | 211 30 15.6 25.7 5 400 7050 250 60 56.4 20.5 | 227 37 26.7 25.0 6 300 8970 250 75 70.5 25.7 | 234 51 40.8 30.2 7 275 9524 250 77 72.4 26.3 | 234 53 42.7 30.9 8 253 10046 250 77 72.4 26.3 | 234 53 42.7 30.9 9 250 10120 250 77 72.4 26.3 | 234 53 42.7 30.9 10 200 11510 260 50 49.2 8.7 | 236 24 19.5 13.2 11 150 13300 265 40 39.8 3.5 | 232 13 10.1 8.0 12 100 15830 280 31 30.5 -5.4 | 316 1 0.8 -0.9 13 70 18030 280 29 28.6 -5.0 | 66 1 -1.1 -0.5 14 50 20060 285 31 29.9 -8.0 | 356 4 0.2 -3.5 Wind Parameters Mean winds (0-6000m): 248.7 at 40.1 knts Storm direction: 278.7 at 30.0 knts Shear (0-3000m) pos: 5.2 neg: 1.8 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 100.7 deg Storm rel helicity (0-3000m) pos: 175.5 neg: 0.0 tot: 175.5 m^2/s^2 ave: 58.5 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 5.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.31 Bulk Shear: 88.38 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 ------------------------------------------------------------------------------- 500 237 15 126 21| 20.2 0.0 20.2|110.6 0.0 110.6 221.2 0.92| 20.4 18.8 1000 242 22 145 18| 13.8 0.0 13.8|152.4 0.0 152.4 152.4 0.87| 15.8 13.8 1500 249 26 157 15| 10.4 0.0 10.4|165.7 0.0 165.7 110.4 0.83| 12.8 10.6 2000 251 28 167 14| 7.8 0.9 8.7|170.1 0.0 170.1 85.0 0.79| 10.5 8.3 2500 252 30 176 14| 6.2 1.5 7.7|173.3 0.0 173.3 69.3 0.74| 9.2 6.8 3000 251 32 183 15| 5.2 1.8 6.9|175.5 0.0 175.5 58.5 0.70| 8.2 5.7 4000 251 35 192 17| 3.9 1.8 5.7|180.8 0.0 180.8 45.2 0.67| 6.6 4.4 5000 249 38 198 19| 3.1 1.8 4.9|184.7 0.0 184.7 36.9 0.63| 5.6 3.6 6000 249 40 202 21| 2.9 1.7 4.5|216.7 0.0 216.7 36.1 0.64| 5.2 3.3 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20251202.00.gif