UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 19 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 ------------------------------------------------------------------------------- SFC 1003 11 5.0 2.5 84 2.5 3.8 225 13 277.9 278.7 276.9 290.4 4.56 1 1000 35 4.8 2.1 83 2.7 3.6 225 15 278.0 278.7 276.7 290.1 4.45 2 952 434 1.2 -1.4 83 2.6 0.1 231 19 278.2 278.9 275.7 288.3 3.62 3 925 665 0.0 -2.3 84 2.3 -0.9 235 21 279.3 279.9 276.2 289.0 3.49 4 850 1337 -4.1 -7.1 80 3.0 -5.1 245 23 281.9 282.3 276.3 289.4 2.64 5 700 2843 -13.1 -16.3 77 3.2 -13.9 250 25 288.0 288.2 277.9 292.6 1.53 6 660 3288 -16.1 -19.6 74 3.5 -16.9 251 26 289.5 289.7 278.3 293.2 1.22 7 500 5310 -31.9 -35.8 68 3.9 -32.3 255 29 294.1 294.2 279.3 295.3 0.36 8 415 6602 -41.7 -45.5 66 3.8 -41.9 268 35 297.6 297.7 280.6 298.2 0.16 9 400 6850 -44.3 -48.4 64 4.1 -44.5 270 36 297.4 297.4 280.4 297.8 0.12 10 348 7765 -52.7 -56.7 62 4.0 -52.8 273 41 298.1 298.1 280.6 298.3 0.05 11 308 8544 -57.3 -61.4 60 4.1 -57.3 275 46 302.3 302.3 282.4 302.4 0.03 12 300 8710 -57.3 -61.4 60 4.1 -57.3 275 44 304.6 304.6 283.2 304.7 0.03 13 287 8992 -57.9 -62.2 58 4.3 -58.0 276 42 307.6 307.6 284.5 307.7 0.03 14 251 9854 -52.5 -56.9 59 4.4 -52.6 280 36 327.6 327.7 291.1 327.9 0.07 15 250 9880 -52.3 -56.8 58 4.5 -52.4 280 36 328.3 328.3 291.3 328.6 0.07 16 200 11320 -50.5 -56.5 49 6.0 -50.7 280 27 352.8 352.8 297.3 353.2 0.09 17 150 13190 -50.3 -59.3 34 9.0 -50.7 285 29 383.4 383.4 302.9 383.8 0.09 18 147 13322 -50.3 -59.3 34 9.0 -50.7 285 29 385.6 385.6 303.2 386.0 0.09 19 100 15810 -55.3 -66.3 24 11.0 -55.7 285 23 420.9 420.9 307.9 421.1 0.05 20 77 17472 -56.9 -67.9 24 11.0 -57.3 450.2 450.2 310.9 450.5 0.05 TRP 308 8544 -57.3 -61.4 60 4.1 -57.3 275 46 302.3 302.3 282.4 302.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5275.00 m Freezing level: 925.00 mb = 665.00 m = 2181.73 ft Wetbulb zero: 948.49 mb = 463.44 m = 1520.45 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 76.27 % Est. max temperature: 8.84 C = 47.91 F Sfc-Lift cond lev (LCL): 965.08 mb = 323.14 m = 1060.15 ft T: 2.20 C 700-500 lapse rate: 7.62 C/km ThetaE index: 2.15 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 891.31 mb = 959.87 m = 3149.14 ft Mean mixing ratio: 3.76 g/kg Conv temperature: 7.52 C = 45.54 F Cap Strength: 3.63 C Lifted Index: 5.05 C Risk: None Lifted Index @300 mb: 11.06 C Lifted Index @700 mb: 3.17 C Showalter Index: 4.82 C Risk: None Total Totals Index: 52.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.80 C Cross Totals Index: 24.80 C K Index: 17.50 Risk: < 20 % chance of thunderstorms Sweat Index: 193.71 Risk: None Energy Index: 1.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.26 J/kg Max Up Vert Vel: 4.07 m/s Conv Inhibition (B-): 18884.72 J/kg Cap Strength: 4.97 C Lift Cond Lev (LCL): 915.77 mb = 744.68 m = 2443.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 19 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 1003 11 225 13 9.2 9.2 | 143 16 -9.5 12.4 1 1000 35 225 15 10.6 10.6 | 150 16 -8.0 13.8 2 925 665 235 21 17.2 12.0 | 175 15 -1.5 15.2 3 850 1337 245 23 20.8 9.7 | 190 13 2.2 12.9 4 700 2843 250 25 23.5 8.6 | 202 13 4.8 11.7 5 500 5310 255 29 28.0 7.5 | 221 14 9.4 10.7 6 400 6850 270 36 36.0 -0.0 | 260 18 17.3 3.2 7 308 8544 275 46 45.8 -4.0 | 272 27 27.2 -0.8 8 300 8710 275 44 43.8 -3.8 | 272 25 25.2 -0.7 9 250 9880 280 36 35.5 -6.3 | 280 17 16.8 -3.1 10 200 11320 280 27 26.6 -4.7 | 281 8 7.9 -1.5 11 150 13190 285 29 28.0 -7.5 | 295 10 9.4 -4.3 12 100 15810 285 23 22.2 -6.0 | 308 5 3.6 -2.8 Wind Parameters Mean winds (0-6000m): 249.6 at 25.2 knts Storm direction: 279.6 at 18.9 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 61.2 deg Storm rel helicity (0-3000m) pos: 60.4 neg: 0.0 tot: 60.4 m^2/s^2 ave: 20.1 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.52 Bulk Shear: 15.98 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 ------------------------------------------------------------------------------- 500 229 17 158 15| 7.1 0.0 7.1| 28.8 0.0 28.8 57.6 0.99| 7.2 7.2 1000 233 19 167 15| 5.2 0.0 5.2| 42.9 0.0 42.9 42.9 0.97| 5.6 5.4 1500 237 20 174 14| 4.1 0.0 4.1| 50.7 0.0 50.7 33.8 0.95| 4.6 4.4 2000 240 21 178 14| 3.3 0.0 3.3| 54.0 0.0 54.0 27.0 0.96| 3.7 3.5 2500 242 22 182 13| 2.8 0.0 2.8| 57.2 0.0 57.2 22.9 0.96| 3.1 3.0 3000 243 22 185 13| 2.5 0.0 2.5| 60.4 0.0 60.4 20.1 0.96| 2.8 2.7 4000 246 23 191 13| 2.1 0.0 2.1| 66.5 0.0 66.5 16.6 0.96| 2.3 2.2 5000 248 24 197 13| 1.9 0.0 1.9| 72.9 0.0 72.9 14.6 0.96| 2.1 2.0 6000 250 25 203 13| 2.0 0.0 2.0| 93.2 0.0 93.2 15.5 0.96| 2.2 2.1 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251019.12.gif