UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 11 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 285 SFC 954 649 -8.1 -9.0 93 0.9 -8.4 335 1 268.6 269.0 267.5 274.2 2.02 2 925 887 -10.3 -10.3 100 0.0 -10.3 215 1 268.8 269.1 267.3 273.9 1.88 3 909 1021 -11.5 -11.5 100 0.0 -11.5 187 5 268.9 269.2 267.1 273.7 1.74 4 900 1098 -5.9 -8.9 79 3.0 -6.8 171 7 275.4 275.8 272.0 281.5 2.16 5 892 1168 -2.7 -10.7 54 8.0 -5.3 157 10 279.4 279.8 273.9 284.9 1.89 6 880 1276 -1.5 -19.5 24 18.0 -6.2 135 13 281.8 281.9 273.8 284.5 0.93 7 868 1385 -1.7 -24.7 15 23.0 -7.0 113 16 282.7 282.8 273.7 284.5 0.59 8 862 1441 0.4 -30.6 8 31.0 -6.1 102 18 285.4 285.5 274.8 286.5 0.35 9 850 1553 1.2 -41.8 2 43.0 -6.1 80 21 287.4 287.4 275.5 287.8 0.11 10 847 1581 1.6 -43.4 2 45.0 -5.9 78 21 288.1 288.1 275.9 288.4 0.10 11 795 2087 -2.5 -46.5 2 44.0 -8.9 42 15 289.0 289.0 276.3 289.3 0.07 12 755 2498 0.0 0.0 100 0.0 0.0 13 10 296.0 296.9 285.7 310.9 5.07 13 726 2811 -1.1 -6.1 69 5.0 -3.2 351 6 298.1 298.7 284.7 308.2 3.34 14 700 3100 -3.5 330 3 298.6 15 568 4715 -15.1 -60.1 1 45.0 -19.0 314 25 303.4 303.4 282.8 303.4 0.02 16 500 5670 -20.1 -48.1 6 28.0 -23.0 305 38 308.5 308.6 284.9 308.9 0.10 17 425 6850 -28.1 -39.1 34 11.0 -29.3 309 55 313.0 313.1 286.8 314.1 0.30 18 400 7280 -31.5 -37.5 55 6.0 -32.1 310 62 314.0 314.1 287.2 315.4 0.38 19 369 7847 -36.5 -41.0 63 4.5 -36.9 309 64 314.7 314.8 287.3 315.8 0.29 20 300 9250 -48.1 -54.1 50 6.0 -48.3 305 68 317.6 317.6 288.1 317.9 0.08 21 250 10420 -57.7 -64.7 40 7.0 -57.8 295 81 320.3 320.3 288.9 320.4 0.03 22 238 10730 -60.7 -67.7 39 7.0 -60.8 294 85 320.3 320.3 288.9 320.4 0.02 23 200 11800 -68.1 -76.1 31 8.0 -68.1 290 99 324.9 324.9 290.2 324.9 0.01 24 187 12202 -70.5 -77.5 35 7.0 -70.5 290 103 327.3 327.3 291.0 327.4 0.01 25 172 12705 -65.1 -72.1 37 7.0 -65.1 292 95 344.2 344.2 295.3 344.3 0.01 26 152 13451 -69.5 -78.5 26 9.0 -69.5 295 82 349.0 349.0 296.4 349.1 0.01 27 150 13530 -68.7 -77.7 26 9.0 -68.8 295 81 351.7 351.7 297.0 351.8 0.01 28 126 14579 -64.9 -74.9 24 10.0 -65.0 293 73 376.6 376.6 301.7 376.7 0.01 29 100 15980 -66.1 -79.1 15 13.0 -66.2 290 62 400.0 400.0 305.2 400.1 0.01 30 84 17033 -68.3 -84.3 8 16.0 -68.4 290 59 416.0 416.0 307.2 416.0 0.00 31 70 18130 -67.3 -91.3 2 24.0 -67.5 290 56 440.4 440.4 309.9 440.4 0.00 32 68 18303 -67.7 -93.7 1 26.0 -67.9 289 57 443.2 443.2 310.2 443.2 0.00 33 64 18669 -64.7 -92.7 1 28.0 -65.0 286 59 457.5 457.5 311.5 457.6 0.00 34 50 20160 -66.9 -94.9 1 28.0 -67.1 275 68 485.8 485.8 313.9 485.8 0.00 35 35 22306 -69.5 -96.5 1 27.0 -69.8 272 78 531.2 531.2 317.0 531.2 0.00 36 30 23230 -68.3 -95.3 1 27.0 -68.7 270 83 558.4 558.4 318.6 558.4 0.00 37 21 25387 -65.1 -93.1 1 28.0 -65.8 628.1 628.1 321.8 628.1 0.00 TRP 187 12202 -70.5 -77.5 35 7.0 -70.5 290 103 327.3 327.3 291.0 327.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5385.00 m Freezing level: Surface below freezing Freezing level: 863.14 mb = 1429.97 m = 4691.43 ft Freezing level: 826.71 mb = 1778.82 m = 5835.94 ft Freezing level: 755.00 mb = 2498.20 m = 8196.09 ft Freezing level: 755.00 mb = 2498.20 m = 8196.09 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 34.17 % Est. max temperature: 11.84 C = 53.30 F Sfc-Lift cond lev (LCL): 940.22 mb = 761.30 m = 2497.66 ft T: -9.14 C 700-500 lapse rate: 6.46 C/km ThetaE index: 7.49 C Layer 726.0- 500.0 mb Conv cond level (CCL): 493.70 mb = 5762.03 m = 18904.08 ft Mean mixing ratio: 1.49 g/kg Conv temperature: 31.61 C = 88.89 F Cap Strength: 21.09 C Lifted Index: 24.18 C Risk: None Lifted Index @300 mb: 26.97 C Lifted Index @700 mb: 19.51 C Showalter Index: 17.33 C Risk: None Total Totals Index: -0.40 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: -21.70 C K Index: -31.12 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 4.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 97.39 J/kg Max Up Vert Vel: 13.96 m/s Conv Inhibition (B-): 45330.30 J/kg Cap Strength: 23.80 C Lift Cond Lev (LCL): 797.90 mb = 2058.14 m = 6752.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 348 at 16 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 ---------------------------------------------------------- 0 954 649 335 1 0.4 -0.9 | 169 15 -2.8 14.3 1 925 887 215 1 0.6 0.8 | 171 16 -2.6 16.0 2 850 1553 80 21 -20.7 -3.6 | 116 27 -23.9 11.5 3 700 3100 330 3 1.5 -2.6 | 172 13 -1.7 12.6 4 500 5670 305 38 31.1 -21.8 | 283 29 27.9 -6.6 5 400 7280 310 62 47.5 -39.9 | 299 51 44.3 -24.7 6 300 9250 305 68 55.7 -39.0 | 294 58 52.5 -23.8 7 250 10420 295 81 73.4 -34.2 | 285 73 70.2 -19.0 8 200 11800 290 99 93.0 -33.9 | 282 92 89.8 -18.7 9 187 12202 290 103 96.8 -35.2 | 282 96 93.6 -20.0 10 150 13530 295 81 73.4 -34.2 | 285 73 70.2 -19.0 11 100 15980 290 62 58.3 -21.2 | 276 55 55.0 -6.0 12 70 18130 290 56 52.6 -19.2 | 275 50 49.4 -4.0 13 50 20160 275 68 67.7 -5.9 | 262 65 64.5 9.3 14 30 23230 270 83 83.0 -0.0 | 259 81 79.8 15.2 Wind Parameters Mean winds (0-6000m): 318.1 at 20.7 knts Storm direction: 348.1 at 15.5 knts Shear (0-3000m) pos: 0.0 neg: 1.6 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 34.3 deg Storm rel helicity (0-3000m) pos: 40.4 neg: -205.0 tot: -164.5 m^2/s^2 ave: -54.8 10^-3 m/s^2 rel: -0.19 Storm rel vorticity (0-3000m) horiz: 12.3 stream: -2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.36 Bulk Shear: 71.61 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 ------------------------------------------------------------------------------- 500 172 3 169 19| 0.0 10.2 10.2| 5.0 -17.0 -12.0 -24.0 -0.15| 11.4 -1.8 1000 81 9 138 19| 0.0 10.3 10.3| 5.0-193.5-188.5 -188.5 -0.70| 19.6-13.7 1500 71 12 128 18| 0.0 4.7 4.7| 6.3-205.0-198.6 -132.4 -0.56| 17.2 -9.7 2000 68 12 127 18| 0.0 1.9 1.9| 21.3-205.0-183.6 -91.8 -0.37| 15.2 -5.6 2500 75 11 133 18| 0.0 0.6 0.6| 29.3-205.0-175.6 -70.3 -0.28| 13.4 -3.8 3000 66 10 132 17| 0.0 1.6 1.6| 40.4-205.0-164.5 -54.8 -0.19| 12.3 -2.4 4000 20 12 120 8| 0.0 3.0 3.0| 63.4-205.0-141.6 -35.4 -0.04| 11.0 -0.4 5000 331 16 251 5| 0.0 3.8 3.8| 71.7-205.6-133.9 -26.8 -0.02| 10.3 -0.2 6000 318 21 271 11| 1.3 3.2 4.4|132.9-205.6 -72.6 -12.1 0.04| 9.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251211.00.gif