UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 9 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 1006 7 -7.3 -8.7 90 1.4 -7.7 180 15 265.4 265.7 265.1 270.7 1.96 1 1000 54 -7.1 -9.0 86 1.9 -7.7 175 13 266.0 266.4 265.5 271.3 1.93 2 965 332 -6.3 -9.0 81 2.7 -7.1 194 13 269.6 269.9 268.1 275.1 2.00 3 925 662 -7.1 -10.0 80 2.9 -7.9 216 13 272.0 272.4 269.5 277.4 1.93 4 853 1291 -9.5 -12.1 81 2.6 -10.2 258 13 275.9 276.2 271.7 280.9 1.77 5 850 1318 -9.7 -12.3 81 2.6 -10.4 260 13 276.0 276.3 271.7 280.9 1.75 6 770 2075 -14.1 -17.2 77 3.1 -14.8 263 17 279.2 279.4 272.8 282.9 1.29 7 740 2377 -13.3 -16.2 79 2.9 -14.0 264 19 283.2 283.5 275.4 287.5 1.46 8 700 2798 -15.3 -18.6 76 3.3 -16.0 265 21 285.5 285.8 276.3 289.3 1.26 9 590 4066 -23.9 -27.5 72 3.6 -24.5 265 20 289.8 290.0 277.6 292.0 0.68 10 500 5250 -33.1 -37.0 68 3.9 -33.4 265 19 292.7 292.7 278.5 293.7 0.32 11 400 6780 -45.1 -48.8 66 3.7 -45.2 305 15 296.4 296.4 279.9 296.8 0.11 12 307 8495 -58.5 -63.0 56 4.5 -58.6 324 13 300.9 300.9 281.7 301.0 0.03 13 302 8598 -58.7 -63.3 55 4.6 -58.7 325 13 302.0 302.0 282.2 302.1 0.03 14 300 8640 -58.5 -63.1 55 4.6 -58.6 320 15 302.9 302.9 282.6 303.0 0.03 15 250 9780 -60.1 -64.6 55 4.5 -60.2 285 25 316.7 316.7 287.7 316.8 0.03 16 200 11170 -61.7 -66.4 53 4.7 -61.7 285 31 335.1 335.1 293.1 335.2 0.03 17 150 12940 -64.3 -69.3 50 5.0 -64.4 290 35 359.3 359.3 298.6 359.4 0.02 18 100 15390 -68.1 -74.1 42 6.0 -68.2 305 35 396.2 396.2 304.7 396.2 0.02 19 70 17510 -72.3 -78.3 40 6.0 -72.3 300 35 429.7 429.7 308.8 429.8 0.01 20 50 19460 -78.3 -84.3 37 6.0 -78.3 295 38 459.0 459.0 311.7 459.0 0.01 21 47 19814 -77.9 -83.9 37 6.0 -77.9 468.1 468.1 312.5 468.2 0.01 TRP 302 8598 -58.7 -63.3 55 4.6 -58.7 325 13 302.0 302.0 282.2 302.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5196.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 76.09 % Est. max temperature: 3.07 C = 37.53 F Sfc-Lift cond lev (LCL): 983.67 mb = 182.37 m = 598.34 ft T: -6.73 C 700-500 lapse rate: 7.26 C/km ThetaE index: 0.00 C Layer 1006.0- -0.0 mb Conv cond level (CCL): 817.97 mb = 1611.99 m = 5288.63 ft Mean mixing ratio: 1.95 g/kg Conv temperature: 4.55 C = 40.19 F Cap Strength: 13.29 C Lifted Index: 14.63 C Risk: None Lifted Index @300 mb: 19.64 C Lifted Index @700 mb: 11.05 C Showalter Index: 10.06 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 20.80 C K Index: 7.80 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 2.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.82 J/kg Max Up Vert Vel: 7.46 m/s Conv Inhibition (B-): 28693.82 J/kg Cap Strength: 14.52 C Lift Cond Lev (LCL): 915.84 mb = 739.21 m = 2425.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 at 13 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 1006 7 180 15 0.0 15.0 | 148 23 -12.3 19.6 1 1000 54 175 13 -1.1 13.0 | 142 22 -13.5 17.5 2 850 1318 260 13 12.8 2.3 | 184 7 0.5 6.8 3 700 2798 265 21 20.9 1.8 | 233 11 8.6 6.4 4 500 5250 265 19 18.9 1.7 | 227 9 6.6 6.2 5 400 6780 305 15 12.3 -8.6 | 1 4 -0.1 -4.0 6 302 8598 325 13 7.5 -10.6 | 39 8 -4.9 -6.1 7 300 8640 320 15 9.6 -11.5 | 21 7 -2.7 -6.9 8 250 9780 285 25 24.1 -6.5 | 279 12 11.8 -1.9 9 200 11170 285 31 29.9 -8.0 | 281 18 17.6 -3.4 10 150 12940 290 35 32.9 -12.0 | 290 22 20.5 -7.4 11 100 15390 305 35 28.7 -20.1 | 313 23 16.3 -15.5 12 70 17510 300 35 30.3 -17.5 | 306 22 18.0 -12.9 13 50 19460 295 38 34.4 -16.1 | 297 25 22.1 -11.5 Wind Parameters Mean winds (0-6000m): 260.4 at 17.6 knts Storm direction: 290.4 at 13.2 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 84.9 deg Storm rel helicity (0-3000m) pos: 59.5 neg: -8.4 tot: 51.1 m^2/s^2 ave: 17.0 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.63 Bulk Shear: 44.15 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 ------------------------------------------------------------------------------- 500 189 13 150 20| 6.7 0.0 6.7| 24.0 -8.2 15.8 31.6 0.39| 8.4 3.3 1000 205 13 158 18| 7.2 0.0 7.2| 40.4 -8.2 32.2 32.2 0.47| 8.1 3.8 1500 222 13 166 15| 6.4 0.0 6.4| 46.1 -8.2 37.9 25.3 0.47| 7.3 3.4 2000 236 14 175 12| 5.4 0.0 5.4| 51.2 -8.2 43.0 21.5 0.52| 6.2 3.2 2500 244 15 184 11| 4.8 0.0 4.8| 56.4 -8.2 48.2 19.3 0.55| 5.5 3.0 3000 250 16 192 10| 4.2 0.0 4.2| 59.5 -8.4 51.1 17.0 0.55| 4.9 2.7 4000 255 17 203 10| 3.2 0.1 3.3| 59.5 -9.7 49.8 12.5 0.52| 3.8 2.0 5000 258 17 209 10| 2.5 0.2 2.7| 59.5 -10.9 48.6 9.7 0.49| 3.1 1.5 6000 260 18 213 9| 2.3 0.1 2.4| 66.5 -11.1 55.4 9.2 0.51| 3.2 1.6 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251209.12.gif