UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 16 OCT 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 -33 200 15 SFC 995 8 5.6 3.6 87 2.0 4.6 200 15 279.1 280.0 278.0 292.8 4.98 2 932 538 1.2 -0.6 88 1.8 0.4 222 34 279.9 280.6 277.1 290.8 3.92 3 925 599 0.8 -1.1 87 1.9 0.0 225 36 280.1 280.8 277.0 290.7 3.81 4 850 1274 -2.5 -4.1 89 1.6 -3.1 230 35 283.5 284.1 278.1 292.9 3.32 5 700 2789 -11.9 -14.1 84 2.2 -12.5 240 33 289.3 289.6 279.0 294.8 1.83 6 672 3100 -14.1 -16.4 83 2.3 -14.7 243 32 290.2 290.5 279.1 295.0 1.58 7 616 3760 -15.3 -17.8 81 2.5 -15.9 249 28 296.2 296.5 281.7 300.9 1.53 8 503 5266 -23.7 -26.5 78 2.8 -24.2 265 21 303.6 303.8 284.0 306.5 0.87 9 500 5310 -24.1 -26.9 78 2.8 -24.6 265 21 303.7 303.8 284.0 306.4 0.84 10 405 6814 -35.9 -38.7 75 2.8 -36.1 270 27 307.2 307.3 284.7 308.4 0.33 11 400 6900 -36.3 -39.1 75 2.8 -36.5 270 27 307.8 307.9 284.9 308.9 0.32 12 384 7183 -37.3 -39.9 77 2.6 -37.5 274 26 310.1 310.2 285.8 311.2 0.31 13 350 7815 -43.1 -45.8 75 2.7 -43.2 282 25 310.6 310.6 285.8 311.3 0.18 14 300 8840 -49.5 -52.3 72 2.8 -49.6 295 23 315.6 315.6 287.4 316.0 0.10 15 271 9498 -52.9 -55.7 71 2.8 -52.9 295 26 320.0 320.0 288.8 320.2 0.07 16 252 9960 -57.5 -60.3 70 2.8 -57.5 295 29 319.9 319.9 288.8 320.0 0.05 17 250 10010 -57.5 -60.3 70 2.8 -57.5 295 29 320.6 320.6 289.0 320.8 0.05 18 248 10061 -57.5 -60.3 70 2.8 -57.5 294 29 321.3 321.3 289.2 321.5 0.05 19 223 10736 -56.7 -59.6 70 2.9 -56.8 287 23 332.5 332.5 292.4 332.7 0.06 20 215 10971 -52.3 -55.2 71 2.9 -52.4 285 21 342.8 342.8 295.1 343.2 0.10 21 200 11440 -53.3 -56.6 67 3.3 -53.4 280 17 348.4 348.4 296.4 348.7 0.09 22 153 13162 -51.7 -55.7 62 4.0 -51.9 275 10 378.8 378.9 302.2 379.4 0.13 23 150 13290 -51.7 -55.8 61 4.1 -51.9 275 9 381.0 381.0 302.5 381.6 0.13 24 100 15900 -55.5 -60.1 56 4.6 -55.7 280 9 420.5 420.5 307.9 421.1 0.12 25 70 18160 -56.5 -61.5 53 5.0 -56.8 285 7 463.5 463.6 312.1 464.3 0.14 26 50 20280 -59.5 -64.5 52 5.0 -59.8 310 11 503.3 503.3 315.2 504.1 0.13 27 45 20937 -60.7 -65.7 52 5.0 -61.0 515.7 515.8 316.1 516.5 0.12 TRP 252 9960 -57.5 -60.3 70 2.8 -57.5 295 29 319.9 319.9 288.8 320.0 0.05 WND Sounding variables and indices 1000-500 mb thick: 5343.00 m Freezing level: 906.82 mb = 762.64 m = 2502.06 ft Wetbulb zero: 924.53 mb = 603.05 m = 1978.47 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 83.73 % Est. max temperature: 10.15 C = 50.27 F Sfc-Lift cond lev (LCL): 964.84 mb = 257.61 m = 845.16 ft T: 3.53 C 700-500 lapse rate: 4.84 C/km ThetaE index: 2.06 C Layer 932.0- 850.0 mb Conv cond level (CCL): 901.27 mb = 806.47 m = 2645.86 ft Mean mixing ratio: 4.18 g/kg Conv temperature: 7.62 C = 45.71 F Cap Strength: 10.97 C Lifted Index: 10.98 C Risk: None Lifted Index @300 mb: 17.10 C Lifted Index @700 mb: 2.67 C Showalter Index: 9.92 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 20.00 C K Index: 15.30 Risk: < 20 % chance of thunderstorms Sweat Index: 188.68 Risk: None Energy Index: 2.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.94 J/kg Max Up Vert Vel: 3.98 m/s Conv Inhibition (B-): 32549.47 J/kg Cap Strength: 10.77 C Lift Cond Lev (LCL): 917.79 mb = 661.49 m = 2170.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 22 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 ---------------------------------------------------------- 0 995 8 200 15 5.1 14.1 | 131 22 -16.6 14.5 1 925 599 225 36 25.5 25.5 | 188 26 3.7 25.9 2 700 2789 240 33 28.6 16.5 | 202 18 6.8 16.9 3 500 5310 265 21 20.9 1.8 | 160 2 -0.8 2.2 4 400 6900 270 27 27.0 -0.0 | 266 5 5.3 0.4 5 300 8840 295 23 20.8 -9.7 | 5 9 -0.9 -9.3 6 252 9960 295 29 26.3 -12.3 | 339 13 4.5 -11.8 7 250 10010 295 29 26.3 -12.3 | 339 13 4.5 -11.8 8 200 11440 280 17 16.7 -3.0 | 63 6 -5.0 -2.5 9 150 13290 275 9 9.0 -0.8 | 88 13 -12.8 -0.4 10 100 15900 280 9 8.9 -1.6 | 85 13 -12.9 -1.2 11 70 18160 285 7 6.8 -1.8 | 85 15 -15.0 -1.4 12 50 20280 310 11 8.4 -7.1 | 63 15 -13.3 -6.7 Wind Parameters Mean winds (0-6000m): 241.1 at 29.0 knts Storm direction: 271.1 at 21.7 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 71.9 deg Storm rel helicity (0-3000m) pos: 179.0 neg: 0.0 tot: 179.0 m^2/s^2 ave: 59.7 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 5.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.39 Bulk Shear: 20.48 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 ------------------------------------------------------------------------------- 500 216 24 159 21| 20.1 0.0 20.1|120.4 0.0 120.4 240.9 0.99| 20.5 20.2 1000 222 29 175 22| 12.0 0.0 12.0|153.4 0.0 153.4 153.4 0.96| 13.2 12.6 1500 225 31 181 23| 8.0 0.0 8.0|161.2 0.0 161.2 107.5 0.92| 9.6 8.8 2000 227 32 184 22| 6.0 0.0 6.0|168.2 0.0 168.2 84.1 0.90| 7.7 6.9 2500 229 33 187 22| 4.8 0.0 4.8|174.4 0.0 174.4 69.8 0.87| 6.6 5.8 3000 231 33 189 21| 4.0 0.0 4.0|179.0 0.0 179.0 59.7 0.83| 6.0 5.0 4000 234 32 192 19| 2.8 0.0 2.8|181.3 -0.0 181.2 45.3 0.71| 5.4 3.8 5000 238 30 193 17| 2.1 0.0 2.1|181.3 -2.3 179.0 35.8 0.58| 5.0 2.9 6000 241 29 194 15| 1.9 0.0 1.9|182.7 -3.3 179.4 29.9 0.55| 4.5 2.5 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251016.00.gif