UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 20 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 -8 250 11 SFC 998 8 5.2 3.4 88 1.8 4.4 250 11 278.5 279.3 277.6 291.9 4.89 2 925 622 0.2 -2.2 84 2.4 -0.8 250 23 279.5 280.1 276.3 289.3 3.51 3 850 1295 -3.9 -6.0 85 2.1 -4.7 260 23 282.1 282.6 276.7 290.2 2.87 4 709 2705 -12.7 -15.3 81 2.6 -13.4 265 29 287.4 287.7 277.8 292.3 1.64 5 700 2802 -13.5 -16.4 79 2.9 -14.2 265 29 287.5 287.8 277.7 292.1 1.51 6 615 3772 -21.1 -23.4 82 2.3 -21.5 263 32 289.6 289.8 277.9 292.6 0.94 7 540 4715 -29.7 -33.1 72 3.4 -30.1 261 34 290.4 290.4 277.5 291.8 0.44 8 500 5260 -32.7 -37.7 61 5.0 -33.1 260 36 293.2 293.2 278.7 294.2 0.30 9 497 5302 -32.9 -37.9 61 5.0 -33.3 260 36 293.4 293.5 278.8 294.4 0.29 10 464 5781 -37.1 -44.1 48 7.0 -37.5 260 39 294.0 294.1 278.9 294.6 0.16 11 400 6790 -44.7 -50.7 51 6.0 -44.9 260 44 296.9 296.9 280.1 297.2 0.09 12 373 7255 -48.5 -54.5 50 6.0 -48.7 261 44 297.9 297.9 280.5 298.1 0.06 13 300 8670 -55.5 -60.5 54 5.0 -55.6 265 44 307.1 307.1 284.3 307.3 0.04 14 294 8799 -55.9 -60.9 53 5.0 -56.0 265 46 308.3 308.3 284.7 308.5 0.04 15 250 9840 -51.7 -57.7 49 6.0 -51.9 270 48 329.2 329.2 291.6 329.5 0.06 16 211 10940 -48.5 -55.5 44 7.0 -48.8 262 32 350.6 350.6 296.8 351.0 0.10 17 200 11290 -49.1 -57.1 39 8.0 -49.4 260 27 355.0 355.0 297.8 355.4 0.08 18 176 12125 -51.5 -59.5 38 8.0 -51.8 271 28 364.3 364.3 299.6 364.6 0.07 19 156 12913 -49.1 -59.1 30 10.0 -49.6 282 29 381.2 381.2 302.5 381.6 0.08 20 150 13170 -49.9 -59.9 30 10.0 -50.4 285 29 384.1 384.1 302.9 384.5 0.08 21 100 15780 -56.9 -68.9 21 12.0 -57.2 280 23 417.8 417.8 307.4 418.0 0.04 22 70 18020 -60.7 -72.7 19 12.0 -61.0 265 15 454.5 454.5 311.3 454.7 0.03 23 57 19294 -60.9 -72.9 19 12.0 -61.3 262 14 481.6 481.6 313.6 481.8 0.04 24 50 20100 -64.5 -76.5 18 12.0 -64.8 260 13 491.5 491.5 314.4 491.6 0.02 25 48 20350 -65.3 -77.3 17 12.0 -65.5 495.4 495.4 314.6 495.5 0.02 26 30 23220 -65.9 -77.9 17 12.0 -66.2 565.0 565.0 318.9 565.2 0.03 27 29 23426 -65.7 -77.7 17 12.0 -66.1 571.0 571.1 319.2 571.3 0.03 TRP 294 8799 -55.9 -60.9 53 5.0 -56.0 265 46 308.3 308.3 284.7 308.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5268.00 m Freezing level: 921.34 mb = 654.83 m = 2148.36 ft Wetbulb zero: 936.33 mb = 523.61 m = 1717.87 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 80.00 % Est. max temperature: 8.82 C = 47.87 F Sfc-Lift cond lev (LCL): 970.69 mb = 232.50 m = 762.78 ft T: 3.37 C 700-500 lapse rate: 7.81 C/km ThetaE index: 2.60 C Layer 925.0- 850.0 mb Conv cond level (CCL): 905.66 mb = 790.14 m = 2592.28 ft Mean mixing ratio: 3.98 g/kg Conv temperature: 6.84 C = 44.31 F Cap Strength: 2.02 C Lifted Index: 3.32 C Risk: None Lifted Index @300 mb: 11.98 C Lifted Index @700 mb: 1.92 C Showalter Index: 3.37 C Risk: None Total Totals Index: 55.50 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.80 C Cross Totals Index: 26.70 C K Index: 19.90 Risk: < 20 % chance of thunderstorms Sweat Index: 212.00 Risk: None Energy Index: 0.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.87 J/kg Max Up Vert Vel: 3.43 m/s Conv Inhibition (B-): 36269.41 J/kg Cap Strength: 2.97 C Lift Cond Lev (LCL): 917.61 mb = 685.87 m = 2250.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 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 ---------------------------------------------------------- 0 998 8 250 11 10.3 3.8 | 139 15 -10.1 11.5 1 925 622 250 23 21.6 7.9 | 184 16 1.2 15.6 2 850 1295 260 23 22.7 4.0 | 191 12 2.2 11.7 3 700 2802 265 29 28.9 2.5 | 220 13 8.5 10.2 4 500 5260 260 36 35.5 6.3 | 227 21 15.0 14.0 5 400 6790 260 44 43.3 7.6 | 236 28 22.9 15.4 6 300 8670 265 44 43.8 3.8 | 244 26 23.4 11.6 7 294 8799 265 46 45.8 4.0 | 245 28 25.4 11.7 8 250 9840 270 48 48.0 -0.0 | 254 29 27.6 7.7 9 200 11290 260 27 26.6 4.7 | 206 14 6.2 12.4 10 150 13170 285 29 28.0 -7.5 | 268 8 7.6 0.2 11 100 15780 280 23 22.7 -4.0 | 211 4 2.2 3.7 12 70 18020 265 15 14.9 1.3 | 149 11 -5.5 9.0 13 50 20100 260 13 12.8 2.3 | 143 13 -7.6 10.0 Wind Parameters Mean winds (0-6000m): 260.7 at 29.1 knts Storm direction: 290.7 at 21.8 knts Shear (0-3000m) pos: 1.9 neg: 1.7 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 82.0 deg Storm rel helicity (0-3000m) pos: 72.2 neg: 0.0 tot: 72.2 m^2/s^2 ave: 24.1 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 25.45 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 ------------------------------------------------------------------------------- 500 250 16 157 14| 0.0 10.1 10.1| 36.8 0.0 36.8 73.7 0.98| 10.1 9.9 1000 251 19 171 14| 1.6 5.0 6.6| 48.7 0.0 48.7 48.7 0.89| 7.3 6.5 1500 254 21 177 13| 1.8 3.4 5.1| 53.6 0.0 53.6 35.8 0.85| 5.7 4.8 2000 256 22 183 13| 1.8 2.5 4.3| 60.3 0.0 60.3 30.2 0.86| 4.8 4.2 2500 258 23 188 13| 1.9 2.0 3.9| 67.2 0.0 67.2 26.9 0.87| 4.3 3.8 3000 259 24 194 12| 1.9 1.7 3.5| 72.2 0.0 72.2 24.1 0.86| 3.9 3.4 4000 261 26 202 13| 1.4 1.6 3.0| 76.3 0.0 76.3 19.1 0.80| 3.3 2.7 5000 261 27 209 14| 1.1 1.6 2.7| 79.7 0.0 79.7 15.9 0.74| 3.0 2.2 6000 261 29 214 15| 0.9 1.8 2.7| 91.9 0.0 91.9 15.3 0.70| 2.9 2.0 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251020.00.gif