UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 17 APR 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 39 280 7 SFC 999 47 -3.1 -10.1 58 7.0 -5.2 280 7 270.1 270.4 268.0 275.0 1.77 2 925 647 -8.1 -14.1 62 6.0 -9.6 300 13 271.0 271.3 268.0 274.9 1.39 3 888 961 -10.3 -14.6 71 4.3 -11.3 305 16 271.9 272.2 268.5 275.8 1.39 4 852 1276 -12.3 -15.2 79 2.9 -13.0 310 19 273.1 273.3 269.2 277.0 1.37 5 850 1294 -12.7 -15.6 79 2.9 -13.4 310 19 272.8 273.1 269.1 276.6 1.33 6 754 2187 -21.5 -24.5 77 3.0 -22.0 310 24 272.8 272.9 267.9 274.9 0.70 7 700 2729 -24.1 -30.1 58 6.0 -24.8 310 27 275.8 275.9 269.4 277.2 0.45 8 661 3145 -26.5 -35.5 42 9.0 -27.3 306 27 277.7 277.7 270.2 278.5 0.28 9 528 4735 -36.5 -42.5 54 6.0 -36.8 289 25 284.1 284.1 273.8 284.6 0.17 10 500 5110 -39.5 -45.5 53 6.0 -39.8 285 25 284.9 284.9 274.2 285.3 0.13 11 474 5475 -41.7 -48.7 47 7.0 -42.0 277 26 286.5 286.6 275.0 286.9 0.10 12 400 6620 -44.9 -54.9 32 10.0 -45.2 250 29 296.6 296.6 279.9 296.8 0.06 13 367 7193 -46.1 -56.1 31 10.0 -46.4 245 31 302.4 302.4 282.4 302.6 0.05 14 300 8540 -43.1 -57.1 20 14.0 -43.6 250 29 324.6 324.6 290.2 324.8 0.06 15 280 9001 -42.9 -57.9 18 15.0 -43.5 250 28 331.4 331.4 292.2 331.6 0.05 16 250 9760 -42.5 -59.5 14 17.0 -43.2 250 27 342.9 342.9 295.1 343.1 0.05 17 222 10569 -41.7 -60.7 11 19.0 -42.6 253 27 356.0 356.0 298.0 356.2 0.05 18 200 11280 -42.1 -62.1 10 20.0 -43.1 255 27 366.1 366.1 299.9 366.3 0.04 19 183 11880 -41.3 -62.3 9 21.0 -42.5 258 26 376.8 376.8 301.8 377.1 0.05 20 150 13220 -43.7 -65.7 7 22.0 -44.9 265 25 394.8 394.8 304.5 394.9 0.04 21 100 15920 -46.5 -69.5 6 23.0 -47.8 280 19 437.9 437.9 309.7 438.1 0.03 22 98 16054 -46.5 -69.5 6 23.0 -47.8 281 19 440.4 440.4 309.9 440.6 0.03 23 72 18085 -48.7 -71.7 5 23.0 -50.1 289 19 476.3 476.4 313.2 476.5 0.03 24 70 18270 -48.3 -71.3 5 23.0 -49.7 290 19 481.1 481.1 313.5 481.3 0.04 25 58 19510 -46.1 -69.1 6 23.0 -48.1 296 18 512.6 512.6 315.8 513.0 0.06 26 50 20490 -48.3 -71.3 5 23.0 -50.2 300 17 529.6 529.7 316.9 530.0 0.05 27 32 23418 -50.3 -73.3 5 23.0 -52.6 317 15 596.4 596.4 320.5 596.8 0.06 28 30 23840 -50.1 -73.1 5 23.0 -52.5 320 15 608.1 608.1 321.0 608.5 0.06 29 20 26490 -49.9 -72.9 5 23.0 -53.2 330 11 683.4 683.5 323.9 684.3 0.10 30 13 29309 -49.5 -72.5 5 23.0 -54.1 774.4 774.5 326.6 776.0 0.16 TRP 367 7193 -46.1 -56.1 31 10.0 -46.4 245 31 302.4 302.4 282.4 302.6 0.05 WND Sounding variables and indices 1000-500 mb thick: 5071.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 59.97 % Est. max temperature: -0.39 C = 31.31 F Sfc-Lift cond lev (LCL): 894.46 mb = 904.95 m = 2968.98 ft T: -9.91 C 700-500 lapse rate: 6.47 C/km ThetaE index: 2.12 C Layer 850.0- 700.0 mb Conv cond level (CCL): 832.56 mb = 1448.49 m = 4752.21 ft Mean mixing ratio: 1.53 g/kg Conv temperature: -0.37 C = 31.34 F Cap Strength: 7.89 C Lifted Index: 8.35 C Risk: None Lifted Index @300 mb: 35.16 C Lifted Index @700 mb: 2.36 C Showalter Index: 7.06 C Risk: None Total Totals Index: 50.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 23.90 C K Index: 5.20 Risk: None Sweat Index: 97.00 Risk: None Energy Index: 1.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.62 J/kg Max Up Vert Vel: 3.04 m/s Conv Inhibition (B-): 65745.60 J/kg Cap Strength: 8.21 C Lift Cond Lev (LCL): 859.43 mb = 1210.00 m = 3969.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 at 17 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 47 280 7 6.9 -1.2 | 169 13 -2.5 13.1 1 925 647 300 13 11.3 -6.5 | 194 8 1.9 7.8 2 850 1294 310 19 14.6 -12.2 | 248 6 5.2 2.1 3 700 2729 310 27 20.7 -17.4 | 285 12 11.3 -3.0 4 500 5110 285 25 24.1 -6.5 | 242 17 14.8 7.9 5 400 6620 250 29 27.3 9.9 | 216 30 17.9 24.2 6 367 7193 245 31 28.1 13.1 | 214 33 18.7 27.4 7 300 8540 250 29 27.3 9.9 | 216 30 17.9 24.2 8 250 9760 250 27 25.4 9.2 | 214 28 16.0 23.6 9 200 11280 255 27 26.1 7.0 | 218 27 16.7 21.3 10 150 13220 265 25 24.9 2.2 | 223 23 15.5 16.5 11 100 15920 280 19 18.7 -3.3 | 220 14 9.4 11.0 12 70 18270 290 19 17.9 -6.5 | 227 12 8.5 7.8 13 50 20490 300 17 14.7 -8.5 | 223 8 5.4 5.8 14 30 23840 320 15 9.6 -11.5 | 186 3 0.3 2.8 15 20 26490 330 11 5.5 -9.5 | 141 6 -3.9 4.8 Wind Parameters Mean winds (0-6000m): 296.9 at 22.8 knts Storm direction: 326.9 at 17.1 knts Shear (0-3000m) pos: 2.5 neg: 1.1 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 108.3 deg Storm rel helicity (0-3000m) pos: 33.5 neg: -4.5 tot: 29.0 m^2/s^2 ave: 9.7 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 23.77 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 ------------------------------------------------------------------------------- 500 292 9 177 11| 5.8 0.0 5.8| 11.3 0.0 11.3 22.5 0.66| 5.9 3.9 1000 298 12 188 9| 5.6 0.0 5.6| 19.4 0.0 19.4 19.4 0.73| 5.7 4.1 1500 303 14 201 7| 5.1 0.0 5.1| 25.1 0.0 25.1 16.7 0.78| 5.1 4.0 2000 306 16 217 6| 3.8 0.7 4.5| 28.8 0.0 28.8 14.4 0.77| 4.6 3.5 2500 307 18 234 6| 3.0 1.1 4.2| 32.4 0.0 32.4 13.0 0.73| 4.2 3.1 3000 307 19 247 7| 2.5 1.1 3.6| 33.5 -4.5 29.0 9.7 0.61| 4.0 2.4 4000 306 21 255 8| 1.9 1.0 2.9| 33.5 -20.0 13.5 3.4 0.34| 3.6 1.2 5000 302 22 255 10| 1.5 1.1 2.6| 33.5 -36.6 -3.1 -0.6 0.17| 3.4 0.6 6000 297 23 250 12| 1.3 1.7 3.0| 33.5 -70.9 -37.4 -6.2 -0.02| 3.7 -0.1 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250417.12.gif