UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for U2845... Searching the city database file for: U2845 ... Date:1200Z 11 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 -61 SFC 977 127 1.6 0.6 93 1.0 1.2 180 1 276.6 277.3 275.5 287.7 4.08 2 925 567 0.4 -1.8 85 2.2 -0.5 240 23 279.7 280.3 276.6 289.8 3.62 3 886 912 -0.5 -2.7 85 2.2 -1.4 255 25 282.3 282.9 277.7 292.2 3.53 4 850 1242 -2.5 -4.8 84 2.3 -3.4 270 27 283.5 284.1 277.9 292.5 3.14 5 700 2760 -11.1 -13.8 80 2.7 -11.9 265 25 290.2 290.5 279.5 295.8 1.88 6 579 4191 -19.9 -22.7 78 2.8 -20.5 265 31 296.1 296.3 281.1 299.5 1.07 7 500 5260 -28.1 -31.6 72 3.5 -28.6 265 35 298.8 298.9 281.5 300.6 0.54 8 419 6502 -38.9 -43.1 64 4.2 -39.2 269 36 300.4 300.5 281.8 301.1 0.20 9 400 6820 -40.7 -45.2 62 4.5 -40.9 270 36 302.1 302.1 282.5 302.7 0.17 10 386 7061 -42.1 -47.1 58 5.0 -42.3 276 34 303.3 303.4 283.0 303.9 0.14 11 332 8072 -45.1 -51.1 51 6.0 -45.3 302 24 312.6 312.6 286.4 313.0 0.10 12 320 8317 -47.3 -54.3 45 7.0 -47.5 309 21 312.9 312.9 286.4 313.1 0.07 13 304 8654 -49.7 -55.7 49 6.0 -49.9 318 18 314.1 314.1 286.9 314.4 0.07 14 300 8740 -49.9 -55.9 49 6.0 -50.1 320 17 315.0 315.0 287.2 315.3 0.07 15 252 9859 -55.5 -62.5 41 7.0 -55.6 275 25 322.8 322.8 289.6 323.0 0.03 16 250 9910 -55.5 -62.5 41 7.0 -55.6 275 25 323.6 323.6 289.9 323.7 0.03 17 209 11057 -53.5 -60.5 42 7.0 -53.7 275 37 343.7 343.7 295.3 343.9 0.05 18 200 11340 -54.3 -62.3 37 8.0 -54.5 275 40 346.8 346.8 296.0 347.0 0.04 19 190 11667 -55.5 -63.5 36 8.0 -55.7 276 41 350.0 350.0 296.7 350.1 0.04 20 184 11870 -57.5 -64.5 41 7.0 -57.6 276 42 350.0 350.0 296.7 350.1 0.04 21 169 12408 -55.5 -63.5 36 8.0 -55.7 278 45 361.9 361.9 299.1 362.1 0.04 22 152 13077 -59.1 -67.1 35 8.0 -59.2 280 48 366.9 366.9 300.0 367.0 0.03 23 150 13160 -59.1 -67.1 35 8.0 -59.2 280 48 368.3 368.3 300.3 368.4 0.03 24 144 13417 -58.1 -66.1 35 8.0 -58.3 281 48 374.3 374.3 301.4 374.5 0.04 25 128 14157 -60.1 -68.1 34 8.0 -60.3 284 50 383.5 383.6 302.8 383.7 0.03 26 120 14560 -60.5 -69.5 30 9.0 -60.7 286 50 390.0 390.0 303.8 390.1 0.03 27 119 14612 -59.5 -68.5 30 9.0 -59.7 286 50 392.7 392.7 304.2 392.9 0.03 28 112 14990 -61.9 -69.9 34 8.0 -62.0 287 51 395.1 395.1 304.5 395.2 0.03 29 100 15690 -63.1 -72.1 29 9.0 -63.3 290 52 405.8 405.8 306.0 405.9 0.02 30 88 16474 -63.9 -72.9 28 9.0 -64.1 297 53 419.3 419.3 307.6 419.4 0.02 31 85 16685 -65.5 -74.5 28 9.0 -65.6 299 53 420.3 420.3 307.7 420.4 0.02 32 80 17054 -65.3 -74.3 28 9.0 -65.4 303 53 428.0 428.0 308.6 428.1 0.02 33 76 17364 -67.1 -75.1 31 8.0 -67.2 305 54 430.6 430.6 308.9 430.7 0.02 34 70 17860 -67.3 -76.3 27 9.0 -67.4 310 54 440.4 440.4 309.9 440.5 0.02 35 50 19860 -72.7 -81.7 24 9.0 -72.8 310 62 472.2 472.2 312.8 472.2 0.01 36 34 22111 -75.1 -84.1 23 9.0 -75.2 520.9 520.9 316.4 521.0 0.01 TRP 252 9859 -55.5 -62.5 41 7.0 -55.6 275 25 322.8 322.8 289.6 323.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5321.00 m Freezing level: 907.67 mb = 720.23 m = 2362.94 ft Wetbulb zero: 940.53 mb = 432.95 m = 1420.42 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 80.77 % Est. max temperature: 9.44 C = 48.99 F Sfc-Lift cond lev (LCL): 961.81 mb = 252.84 m = 829.53 ft T: 1.26 C 700-500 lapse rate: 6.80 C/km Conv cond level (CCL): 846.34 mb = 1275.76 m = 4185.51 ft Mean mixing ratio: 3.71 g/kg Conv temperature: 8.65 C = 47.56 F Cap Strength: 7.15 C Lifted Index: 8.15 C Risk: None Lifted Index @300 mb: 17.76 C Lifted Index @700 mb: 4.52 C Showalter Index: 6.27 C Risk: None Total Totals Index: 48.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 23.30 C K Index: 18.10 Risk: < 20 % chance of thunderstorms Sweat Index: 89.00 Risk: None Energy Index: 1.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.98 J/kg Max Up Vert Vel: 6.92 m/s Conv Inhibition (B-): 33480.90 J/kg Cap Strength: 7.99 C Lift Cond Lev (LCL): 898.59 mb = 798.82 m = 2620.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 at 21 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 ---------------------------------------------------------- 0 977 127 180 1 0.0 1.0 | 117 21 -19.2 9.6 1 925 567 240 23 19.9 11.5 | 182 20 0.8 20.1 2 850 1242 270 27 27.0 -0.0 | 222 12 7.8 8.6 3 700 2760 265 25 24.9 2.2 | 208 12 5.8 10.8 4 500 5260 265 35 34.9 3.1 | 233 20 15.7 11.7 5 400 6820 270 36 36.0 -0.0 | 243 19 16.8 8.6 6 300 8740 320 17 10.9 -13.0 | 62 9 -8.2 -4.4 7 252 9859 275 25 24.9 -2.2 | 222 9 5.8 6.5 8 250 9910 275 25 24.9 -2.2 | 222 9 5.8 6.5 9 200 11340 275 40 39.8 -3.5 | 256 21 20.7 5.2 10 150 13160 280 48 47.3 -8.3 | 269 28 28.1 0.3 11 100 15690 290 52 48.9 -17.8 | 287 31 29.7 -9.1 12 70 17860 310 54 41.4 -34.7 | 320 34 22.2 -26.1 13 50 19860 310 62 47.5 -39.9 | 318 42 28.3 -31.2 Wind Parameters Mean winds (0-6000m): 264.3 at 28.0 knts Storm direction: 294.3 at 21.0 knts Shear (0-3000m) pos: 4.5 neg: 0.3 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 96.7 deg Storm rel helicity (0-3000m) pos: 194.7 neg: -8.6 tot: 186.1 m^2/s^2 ave: 62.0 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 5.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.62 Bulk Shear: 38.39 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 ------------------------------------------------------------------------------- 500 239 13 153 17| 23.6 0.0 23.6|151.5 0.0 151.5 302.9 0.97| 27.7 26.9 1000 249 19 175 16| 13.5 0.0 13.5|184.8 0.0 184.8 184.8 0.92| 19.0 17.5 1500 257 22 188 14| 9.1 0.0 9.1|191.0 -1.9 189.1 126.1 0.88| 13.7 12.1 2000 261 23 195 13| 6.8 0.3 7.1|191.0 -5.0 186.0 93.0 0.84| 10.5 8.8 2500 262 23 198 13| 5.5 0.4 5.9|191.0 -8.0 182.9 73.2 0.79| 8.6 6.9 3000 263 24 200 13| 4.5 0.3 4.8|194.7 -8.6 186.1 62.0 0.79| 7.5 5.9 4000 263 25 206 13| 3.4 0.6 4.0|205.6 -8.6 197.0 49.2 0.78| 6.1 4.8 5000 264 27 212 14| 2.7 0.8 3.6|216.5 -8.6 207.9 41.6 0.77| 5.3 4.1 6000 264 28 217 14| 2.4 0.7 3.1|227.0 -8.6 218.3 36.4 0.77| 4.6 3.6 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20251211.12.gif