UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 16 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 -5 225 7 SFC 994 44 4.8 3.1 89 1.7 4.0 225 7 278.4 279.2 277.4 291.6 4.81 2 931 575 1.2 0.5 95 0.7 0.9 248 12 280.0 280.7 277.6 291.8 4.26 3 925 627 1.0 0.4 96 0.6 0.7 250 13 280.3 281.1 277.7 292.1 4.25 4 850 1306 -0.9 -1.0 99 0.1 -0.9 280 19 285.2 285.9 280.0 297.0 4.18 5 844 1362 -1.1 -1.2 99 0.1 -1.2 280 19 285.6 286.3 280.1 297.3 4.15 6 700 2828 -10.3 -10.8 96 0.5 -10.5 270 31 291.1 291.5 280.6 298.2 2.39 7 546 4704 -20.1 -22.1 84 2.0 -20.5 263 45 300.9 301.1 283.2 304.7 1.19 8 500 5350 -24.7 -27.0 81 2.3 -25.1 260 50 302.9 303.1 283.7 305.7 0.84 9 481 5632 -26.7 -29.0 81 2.3 -27.1 259 51 303.8 304.0 283.9 306.2 0.72 10 400 6940 -36.9 -40.5 69 3.6 -37.2 255 54 307.0 307.1 284.6 308.0 0.28 11 393 7062 -37.7 -41.6 67 3.9 -38.0 255 55 307.5 307.6 284.7 308.4 0.25 12 300 8860 -52.7 -57.7 55 5.0 -52.8 255 64 311.1 311.1 285.8 311.3 0.05 13 292 9033 -54.3 -59.3 54 5.0 -54.4 255 64 311.2 311.2 285.8 311.4 0.04 14 269 9555 -56.1 -63.1 41 7.0 -56.2 255 64 316.0 316.0 287.5 316.1 0.03 15 252 9969 -54.7 -62.6 37 7.9 -54.8 260 66 324.0 324.0 290.0 324.2 0.03 16 250 10020 -54.5 -62.5 37 8.0 -54.6 260 66 325.0 325.0 290.3 325.2 0.03 17 200 11480 -50.5 -63.5 20 13.0 -50.9 270 44 352.8 352.8 297.3 353.0 0.04 18 199 11513 -50.1 -63.1 20 13.0 -50.5 270 44 353.9 353.9 297.5 354.1 0.04 19 171 12507 -47.7 -60.7 21 13.0 -48.3 278 40 373.6 373.6 301.2 373.9 0.06 20 150 13370 -48.3 -62.3 18 14.0 -48.9 285 36 386.8 386.9 303.3 387.1 0.06 21 100 16040 -49.3 -64.3 16 15.0 -50.1 290 27 432.5 432.5 309.1 432.8 0.07 22 86 17030 -49.5 -64.5 16 15.0 -50.4 292 25 451.1 451.2 311.0 451.6 0.08 23 70 18380 -49.5 -64.5 16 15.0 -50.6 295 23 478.5 478.5 313.4 479.0 0.09 24 50 20580 -49.7 -65.7 14 16.0 -51.2 295 15 526.4 526.4 316.8 527.1 0.11 25 45 21270 -49.7 -65.7 14 16.0 -51.4 542.5 542.5 317.7 543.3 0.12 TRP 269 9555 -56.1 -63.1 41 7.0 -56.2 255 64 316.0 316.0 287.5 316.1 0.03 WND 252 9969 -54.7 -62.6 37 7.9 -54.8 260 66 324.0 324.0 290.0 324.2 0.03 Sounding variables and indices 1000-500 mb thick: 5355.00 m Freezing level: 885.53 mb = 984.37 m = 3229.52 ft Wetbulb zero: 892.53 mb = 913.92 m = 2998.38 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 92.42 % Est. max temperature: 11.93 C = 53.47 F Sfc-Lift cond lev (LCL): 968.25 mb = 256.89 m = 842.79 ft T: 3.36 C 700-500 lapse rate: 5.71 C/km ThetaE index: 0.00 C Layer 994.0- 0.0 mb Conv cond level (CCL): 916.21 mb = 703.66 m = 2308.58 ft Mean mixing ratio: 4.42 g/kg Conv temperature: 7.24 C = 45.04 F Cap Strength: 9.00 C Lifted Index: 9.91 C Risk: None Lifted Index @300 mb: 13.43 C Lifted Index @700 mb: 3.89 C Showalter Index: 6.33 C Risk: None Total Totals Index: 47.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.80 C Cross Totals Index: 23.70 C K Index: 22.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 88.00 Risk: None Energy Index: 1.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.71 J/kg Max Up Vert Vel: 5.24 m/s Conv Inhibition (B-): 34193.49 J/kg Cap Strength: 9.73 C Lift Cond Lev (LCL): 929.06 mb = 591.75 m = 1941.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 at 24 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 ---------------------------------------------------------- 0 994 44 225 7 4.9 4.9 | 131 23 -17.2 15.0 1 925 627 250 13 12.2 4.4 | 146 18 -9.9 14.5 2 850 1306 280 19 18.7 -3.3 | 153 8 -3.4 6.7 3 700 2828 270 31 31.0 -0.0 | 222 13 8.9 10.0 4 500 5350 260 50 49.2 8.7 | 235 33 27.1 18.7 5 400 6940 255 54 52.2 14.0 | 231 38 30.1 24.0 6 300 8860 255 64 61.8 16.6 | 236 48 39.7 26.6 7 269 9555 255 64 61.8 16.6 | 236 48 39.7 26.6 8 252 9969 260 66 65.0 11.5 | 243 48 42.9 21.5 9 250 10020 260 66 65.0 11.5 | 243 48 42.9 21.5 10 200 11480 270 44 44.0 -0.0 | 245 24 21.9 10.0 11 150 13370 285 36 34.8 -9.3 | 267 13 12.7 0.7 12 100 16040 290 27 25.4 -9.2 | 256 3 3.3 0.8 13 70 18380 295 23 20.8 -9.7 | 104 1 -1.3 0.3 14 50 20580 295 15 13.6 -6.3 | 113 9 -8.5 3.7 Wind Parameters Mean winds (0-6000m): 264.4 at 32.4 knts Storm direction: 294.4 at 24.3 knts Shear (0-3000m) pos: 3.0 neg: 2.1 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 93.8 deg Storm rel helicity (0-3000m) pos: 61.7 neg: 0.0 tot: 61.7 m^2/s^2 ave: 20.6 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 76.37 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 ------------------------------------------------------------------------------- 500 240 10 137 20| 6.4 0.0 6.4| 25.1 0.0 25.1 50.2 0.72| 6.5 4.7 1000 251 12 142 18| 6.5 0.0 6.5| 35.5 0.0 35.5 35.5 0.52| 6.9 3.6 1500 263 14 146 14| 6.0 0.0 6.0| 39.7 0.0 39.7 26.5 0.46| 6.7 3.1 2000 268 16 152 12| 4.5 1.1 5.6| 47.5 0.0 47.5 23.7 0.55| 6.1 3.3 2500 269 19 161 11| 3.6 1.7 5.3| 54.8 0.0 54.8 21.9 0.57| 5.7 3.3 3000 269 21 171 10| 3.0 2.1 5.2| 61.7 0.0 61.7 20.6 0.56| 5.5 3.1 4000 268 24 192 11| 2.3 2.6 4.9| 73.9 0.0 73.9 18.5 0.51| 5.1 2.6 5000 266 29 209 13| 1.8 2.9 4.7| 80.3 0.0 80.3 16.1 0.45| 5.0 2.2 6000 264 32 217 17| 1.5 2.8 4.3| 80.7 -9.4 71.2 11.9 0.38| 4.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250416.12.gif