UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 7 DEC 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 1039 8 -17.3 -19.3 84 2.0 -17.6 180 5 253.1 253.2 253.1 255.2 0.80 1 1018 162 -13.7 -15.8 84 2.1 -14.1 217 9 258.1 258.3 257.9 261.1 1.09 2 1016 177 -10.5 -12.8 83 2.3 -11.1 221 10 261.5 261.7 261.2 265.2 1.40 3 1002 284 -7.7 -9.8 85 2.1 -8.3 246 13 265.3 265.6 264.7 270.2 1.81 4 1000 300 -8.1 -10.3 84 2.2 -8.7 250 13 265.0 265.3 264.4 269.8 1.74 5 977 479 -9.7 -12.7 79 3.0 -10.4 243 14 265.2 265.4 264.1 269.2 1.47 6 971 526 -8.7 -12.0 77 3.3 -9.5 241 14 266.7 266.9 265.3 271.0 1.57 7 960 614 -8.5 -14.5 62 6.0 -9.9 237 14 267.8 268.0 265.6 271.3 1.29 8 933 833 -10.5 -19.5 48 9.0 -12.3 228 15 267.9 268.1 264.9 270.4 0.87 9 925 899 -10.9 -19.9 47 9.0 -12.7 225 15 268.2 268.3 265.0 270.6 0.85 10 850 1544 -14.5 -25.5 39 11.0 -16.3 170 5 271.0 271.0 266.4 272.6 0.56 11 772 2267 -18.9 -30.9 34 12.0 -20.4 118 5 273.8 273.8 268.0 274.9 0.38 12 700 2993 -20.9 -36.9 22 16.0 -22.6 65 5 279.3 279.4 271.2 280.1 0.23 13 689 3109 -21.3 -37.3 22 16.0 -23.0 64 6 280.2 280.2 271.6 280.9 0.22 14 559 4613 -31.9 -48.9 17 17.0 -32.8 48 20 284.9 284.9 274.1 285.2 0.08 15 500 5390 -37.3 -51.3 22 14.0 -37.9 40 27 287.6 287.6 275.5 287.8 0.07 16 425 6497 -45.3 -58.3 22 13.0 -45.6 33 35 291.0 291.0 277.2 291.1 0.03 17 400 6900 -47.9 -59.9 24 12.0 -48.1 30 38 292.7 292.7 278.0 292.8 0.03 18 300 8750 -59.7 -70.7 23 11.0 -59.8 15 38 301.2 301.2 281.8 301.2 0.01 19 281 9155 -62.3 -73.3 22 11.0 -62.4 8 39 303.1 303.1 282.7 303.2 0.01 20 250 9870 -64.1 -75.1 21 11.0 -64.1 355 42 310.8 310.8 285.6 310.8 0.01 21 236 10223 -65.5 -76.5 20 11.0 -65.5 355 40 313.8 313.8 286.7 313.8 0.00 22 200 11240 -63.3 -74.3 21 11.0 -63.4 345 33 332.5 332.5 292.4 332.6 0.01 23 196 11364 -62.3 -73.3 22 11.0 -62.4 343 33 336.0 336.0 293.3 336.1 0.01 24 150 13010 -63.1 -74.1 21 11.0 -63.2 320 29 361.4 361.4 299.0 361.4 0.01 25 100 15480 -66.1 -77.1 20 11.0 -66.2 310 25 400.0 400.0 305.2 400.1 0.01 26 70 17620 -71.1 -83.1 15 12.0 -71.2 290 25 432.3 432.3 309.1 432.3 0.01 27 50 19590 -74.5 -85.5 17 11.0 -74.6 285 29 467.9 467.9 312.5 468.0 0.01 28 36 21481 -78.7 -89.7 15 11.0 -78.7 503.2 503.2 315.2 503.2 0.00 TRP 236 10223 -65.5 -76.5 20 11.0 -65.5 355 40 313.8 313.8 286.7 313.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5090.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 34.00 % Est. max temperature: -0.71 C = 30.73 F Sfc-Lift cond lev (LCL): 1005.56 mb = 257.10 m = 843.49 ft T: -8.41 C 700-500 lapse rate: 6.84 C/km ThetaE index: 0.96 C Layer 1000.0- 971.0 mb Conv cond level (CCL): 1018.00 mb = 162.17 m = 532.06 ft Mean mixing ratio: 1.34 g/kg Conv temperature: -11.85 C = 10.68 F Cap Strength: 15.13 C Lifted Index: 16.70 C Risk: None Lifted Index @300 mb: 23.95 C Lifted Index @700 mb: 11.72 C Showalter Index: 12.48 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 11.80 C K Index: -18.70 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.79 J/kg Max Up Vert Vel: 10.18 m/s Conv Inhibition (B-): 35270.50 J/kg Cap Strength: 16.56 C Lift Cond Lev (LCL): 935.22 mb = 814.94 m = 2673.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 76 at 10 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 1039 8 180 5 0.0 5.0 | 233 12 9.9 7.5 1 1000 300 250 13 12.2 4.4 | 252 23 22.1 7.0 2 925 899 225 15 10.6 10.6 | 237 24 20.5 13.1 3 850 1544 170 5 -0.9 4.9 | 230 12 9.0 7.5 4 700 2993 65 5 -4.5 -2.1 | 265 5 5.4 0.4 5 500 5390 40 27 -17.4 -20.7 | 22 20 -7.5 -18.1 6 400 6900 30 38 -19.0 -32.9 | 17 32 -9.1 -30.4 7 300 8750 15 38 -9.8 -36.7 | 360 34 0.1 -34.2 8 250 9870 355 42 3.7 -41.8 | 341 42 13.6 -39.3 9 236 10223 355 40 3.5 -39.8 | 340 40 13.4 -37.3 10 200 11240 345 33 8.5 -31.9 | 328 35 18.4 -29.3 11 150 13010 320 29 18.6 -22.2 | 305 35 28.5 -19.7 12 100 15480 310 25 19.2 -16.1 | 295 32 29.1 -13.5 13 70 17620 290 25 23.5 -8.6 | 280 34 33.4 -6.0 14 50 19590 285 29 28.0 -7.5 | 277 38 37.9 -5.0 Wind Parameters Mean winds (0-6000m): 45.6 at 13.6 knts Storm direction: 75.6 at 10.2 knts Shear (0-3000m) pos: 2.1 neg: 3.2 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 33.4 deg Storm rel helicity (0-3000m) pos: 44.7 neg: -64.5 tot: -19.8 m^2/s^2 ave: -6.6 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.67 Bulk Shear: 77.68 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 ------------------------------------------------------------------------------- 500 239 11 247 21| 12.5 0.0 12.5| 35.7 -12.4 23.3 46.6 0.31| 16.0 4.9 1000 234 13 244 22| 6.2 3.1 9.3| 35.7 -50.3 -14.6 -14.6 -0.05| 11.6 -0.6 1500 227 12 241 21| 4.2 4.4 8.5| 38.1 -62.9 -24.7 -16.5 -0.09| 11.4 -1.0 2000 220 10 238 19| 3.1 4.0 7.2| 38.5 -64.5 -25.9 -13.0 -0.09| 9.4 -0.9 2500 213 9 236 18| 2.5 3.7 6.2| 40.5 -64.5 -23.9 -9.6 -0.06| 8.2 -0.5 3000 211 8 236 17| 2.1 3.2 5.3| 44.7 -64.5 -19.8 -6.6 0.01| 7.3 0.1 4000 178 9 221 15| 1.6 3.6 5.2| 51.2 -64.5 -13.3 -3.3 0.14| 6.7 1.0 5000 64 11 352 2| 1.2 3.8 5.0| 53.5 -65.0 -11.5 -2.3 0.13| 6.4 0.9 6000 46 14 359 7| 1.0 3.8 4.8| 53.5 -71.8 -18.3 -3.1 0.10| 6.1 0.6 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251207.00.gif