UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 9 DEC 25 Station: X8341 WMO ident: 38341 Latitude: 42.85 Longitude: 71.38 ------------------------------------------------------------------------------- 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 220 SFC 948 650 1.0 0.6 97 0.4 0.8 360 1 278.4 279.1 276.6 290.0 4.21 2 925 847 -0.7 -0.9 99 0.2 -0.8 300 1 278.6 279.2 276.3 289.3 3.87 3 924 856 -0.7 -1.0 98 0.3 -0.8 298 1 278.7 279.3 276.3 289.3 3.84 4 884 1210 -0.3 -2.5 85 2.2 -1.2 228 6 282.6 283.3 278.0 292.8 3.59 5 879 1255 0.0 -3.4 78 3.4 -1.4 219 7 283.4 284.0 278.2 293.0 3.38 6 876 1283 0.0 -4.1 74 4.1 -1.6 213 7 283.7 284.2 278.1 292.9 3.22 7 871 1328 0.4 -4.6 69 5.0 -1.6 204 8 284.6 285.1 278.4 293.5 3.12 8 870 1338 0.4 -5.6 64 6.0 -1.9 202 8 284.7 285.2 278.1 293.0 2.89 9 864 1393 1.2 -6.8 55 8.0 -1.9 191 9 286.1 286.5 278.5 293.8 2.65 10 860 1431 1.2 -7.8 51 9.0 -2.1 184 10 286.4 286.9 278.4 293.6 2.47 11 850 1525 2.4 -8.6 44 11.0 -1.7 165 11 288.7 289.1 279.4 295.6 2.35 12 766 2355 -4.3 -12.3 54 8.0 -6.9 208 27 290.1 290.5 279.5 296.0 1.94 13 762 2396 -3.9 -13.9 46 10.0 -7.1 210 27 291.0 291.3 279.6 296.2 1.71 14 700 3062 -7.3 -27.3 19 20.0 -11.6 245 40 294.4 294.5 279.7 296.3 0.58 15 653 3599 -11.7 -30.7 19 19.0 -15.2 250 41 295.3 295.4 279.9 296.8 0.45 16 647 3670 -10.1 -36.1 10 26.0 -14.5 251 41 297.9 298.0 280.8 298.9 0.27 17 625 3937 -10.7 -38.7 8 28.0 -15.1 253 42 300.2 300.2 281.7 301.0 0.22 18 590 4377 -14.5 -27.5 32 13.0 -17.1 258 43 300.8 300.9 282.6 303.0 0.68 19 500 5610 -23.5 -39.5 22 16.0 -25.4 270 46 304.4 304.4 283.5 305.3 0.25 20 402 7165 -34.3 -50.3 18 16.0 -35.3 285 58 310.0 310.0 285.4 310.3 0.09 21 400 7200 -34.7 -50.7 18 16.0 -35.7 285 58 309.9 309.9 285.4 310.2 0.09 22 371 7721 -39.1 -43.8 61 4.7 -39.4 284 61 310.8 310.8 285.9 311.6 0.21 23 356 8004 -39.5 -42.5 73 3.0 -39.7 283 63 313.9 314.0 287.1 314.9 0.25 24 300 9150 -49.7 -53.8 62 4.1 -49.8 280 71 315.3 315.3 287.3 315.6 0.08 25 279 9620 -53.9 -58.9 54 5.0 -54.0 284 82 315.9 315.9 287.4 316.0 0.05 26 250 10320 -56.9 -62.9 47 6.0 -57.0 290 99 321.5 321.5 289.2 321.6 0.03 27 244 10473 -57.5 -63.5 46 6.0 -57.6 291 99 322.8 322.8 289.6 322.9 0.03 28 200 11700 -66.5 -73.5 37 7.0 -66.5 295 99 327.4 327.4 291.0 327.5 0.01 29 198 11761 -66.7 -73.7 37 7.0 -66.7 295 97 328.1 328.1 291.2 328.1 0.01 30 150 13450 -65.1 -74.1 28 9.0 -65.2 285 81 357.9 357.9 298.3 358.0 0.01 31 100 15920 -63.5 -77.5 13 14.0 -63.7 285 60 405.0 405.0 305.9 405.1 0.01 32 89 16634 -64.7 -81.7 8 17.0 -64.9 278 63 416.4 416.4 307.3 416.4 0.01 33 79 17369 -60.5 -80.5 6 20.0 -60.9 272 66 439.5 439.5 309.8 439.5 0.01 34 74 17774 -62.5 -86.5 3 24.0 -62.8 268 68 443.6 443.6 310.3 443.6 0.00 35 70 18120 -59.3 -87.3 1 28.0 -59.7 265 69 457.5 457.5 311.5 457.5 0.00 36 62 18881 -58.7 -88.7 1 30.0 -59.3 269 69 475.0 475.0 313.1 475.0 0.00 37 50 20220 -62.1 -91.1 1 29.0 -62.6 275 69 497.1 497.1 314.7 497.2 0.00 38 48 20471 -63.3 -92.3 1 29.0 -63.7 274 71 500.1 500.1 314.9 500.1 0.00 39 40 21585 -65.1 -93.1 1 28.0 -65.5 271 79 522.4 522.4 316.5 522.4 0.00 40 36 22232 -61.5 -90.5 1 29.0 -62.1 269 83 547.7 547.7 317.9 547.7 0.00 41 31 23148 -65.7 -93.7 1 28.0 -66.1 266 90 560.3 560.3 318.6 560.3 0.00 42 31 23148 -62.9 -91.9 1 29.0 -63.6 266 90 567.8 567.8 319.0 567.8 0.00 43 30 23350 -62.5 -91.5 1 29.0 -63.2 265 91 574.3 574.3 319.4 574.3 0.00 44 27 24004 -60.7 -90.7 1 30.0 -61.6 265 94 596.9 596.9 320.5 596.9 0.00 45 25 24480 -64.3 -93.3 1 29.0 -65.0 265 96 599.8 599.8 320.6 599.8 0.00 46 22 25272 -59.3 -89.3 1 30.0 -60.6 265 100 637.1 637.1 322.2 637.1 0.01 47 20 25870 -59.1 -89.1 1 30.0 -60.6 265 103 655.3 655.3 322.9 655.3 0.01 48 19 26192 -58.5 -88.5 1 30.0 -60.1 666.8 666.8 323.3 666.9 0.01 49 14 28091 -63.1 -92.1 1 29.0 -64.4 712.1 712.1 324.8 712.1 0.01 50 13 28553 -57.9 -88.9 1 31.0 -60.2 745.3 745.3 325.8 745.4 0.01 51 12 29056 -59.1 -89.1 1 30.0 -61.3 758.3 758.4 326.1 758.4 0.01 TRP 198 11761 -66.7 -73.7 37 7.0 -66.7 295 97 328.1 328.1 291.2 328.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5390.00 m Freezing level: 934.47 mb = 765.84 m = 2512.58 ft Freezing level: 879.00 mb = 1255.14 m = 4117.86 ft Freezing level: 819.91 mb = 1822.39 m = 5978.89 ft Wetbulb zero: 936.22 mb = 750.22 m = 2461.33 ft Precipitable water: 0.29 inches Sfc-500 mean rel hum: 38.15 % Est. max temperature: 12.04 C = 53.68 F Sfc-Lift cond lev (LCL): 942.02 mb = 700.68 m = 2298.80 ft T: 0.56 C 700-500 lapse rate: 6.36 C/km ThetaE index: 0.68 C Layer 925.0- 924.0 mb Conv cond level (CCL): 731.00 mb = 2722.19 m = 8930.96 ft Mean mixing ratio: 3.46 g/kg Conv temperature: 15.09 C = 59.15 F Cap Strength: 10.43 C Lifted Index: 11.40 C Risk: None Lifted Index @300 mb: 16.73 C Lifted Index @700 mb: 7.15 C Showalter Index: 8.59 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 14.90 C K Index: -2.70 Risk: None Sweat Index: 68.00 Risk: None Energy Index: 2.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.27 J/kg Max Up Vert Vel: 9.19 m/s Conv Inhibition (B-): 55012.90 J/kg Cap Strength: 11.31 C Lift Cond Lev (LCL): 855.07 mb = 1477.01 m = 4845.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 288 at 26 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 ---------------------------------------------------------- 0 948 650 360 1 -0.0 -1.0 | 105 26 -24.7 6.8 1 925 847 300 1 0.9 -0.5 | 107 25 -23.8 7.3 2 850 1525 165 11 -2.8 10.6 | 124 33 -27.6 18.4 3 700 3062 245 40 36.3 16.9 | 205 27 11.5 24.7 4 500 5610 270 46 46.0 -0.0 | 250 23 21.3 7.8 5 400 7200 285 58 56.0 -15.0 | 283 32 31.3 -7.2 6 300 9150 280 71 69.9 -12.3 | 276 45 45.2 -4.5 7 250 10320 290 99 93.0 -33.9 | 291 73 68.3 -26.0 8 200 11700 295 99 89.7 -41.8 | 298 73 65.0 -34.0 9 198 11761 295 97 87.9 -41.0 | 298 71 63.2 -33.2 10 150 13450 285 81 78.2 -21.0 | 284 55 53.5 -13.1 11 100 15920 285 60 58.0 -15.5 | 283 34 33.2 -7.7 12 70 18120 265 69 68.7 6.0 | 253 46 44.0 13.8 13 50 20220 275 69 68.7 -6.0 | 268 44 44.0 1.8 14 30 23350 265 91 90.7 7.9 | 257 68 65.9 15.8 15 20 25870 265 103 102.6 9.0 | 258 80 77.9 16.8 Wind Parameters Mean winds (0-6000m): 257.6 at 34.6 knts Storm direction: 287.6 at 25.9 knts Shear (0-3000m) pos: 7.0 neg: 2.5 tot: 9.5 10-3/s Storm rel Dir Shear (0-3000m): 108.4 deg Storm rel helicity (0-3000m) pos: 463.6 neg: -5.0 tot: 458.5 m^2/s^2 ave: 152.8 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 11.8 stream: 9.7 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.31 Bulk Shear: 137.29 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 ------------------------------------------------------------------------------- 500 258 2 110 24| 0.0 6.2 6.2| 31.0 0.0 31.0 61.9 0.76| 6.9 5.2 1000 169 6 118 29| 0.0 7.4 7.4| 70.9 -5.0 65.8 65.8 0.47| 10.8 5.1 1500 183 10 126 30| 4.2 4.9 9.1|184.8 -5.0 179.8 119.9 0.67| 11.5 7.7 2000 205 14 138 28| 6.7 3.7 10.4|318.7 -5.0 313.7 156.9 0.77| 12.6 9.7 2500 227 19 152 23| 8.0 3.0 10.9|439.3 -5.0 434.3 173.7 0.82| 13.5 11.0 3000 234 22 162 22| 7.0 2.5 9.5|463.6 -5.0 458.5 152.8 0.82| 11.8 9.7 4000 244 27 180 20| 5.9 1.8 7.7|511.8 -5.0 506.8 126.7 0.84| 9.9 8.3 5000 251 31 195 19| 5.2 1.5 6.6|560.8 -5.0 555.8 111.2 0.85| 8.7 7.4 6000 258 35 211 18| 5.1 1.2 6.3|626.3 -5.0 621.2 103.5 0.85| 8.2 7.0 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251209.00.gif