UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 10 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 323 SFC 959 649 -6.1 -7.5 90 1.4 -6.5 45 5 270.3 270.6 269.0 276.4 2.26 2 925 928 -9.1 -9.1 100 0.0 -9.1 45 9 270.0 270.3 268.4 275.7 2.07 3 921 962 -9.5 -9.5 100 0.0 -9.5 47 9 269.9 270.3 268.3 275.5 2.02 4 870 1401 -11.7 74 10 272.1 5 862 1472 -9.1 -9.1 100 0.0 -9.1 78 11 275.5 275.9 272.1 281.7 2.22 6 850 1581 -9.1 -9.1 100 0.0 -9.1 85 11 276.6 277.0 272.9 282.9 2.25 7 848 1599 -8.9 -8.9 100 0.0 -8.9 83 11 277.0 277.4 273.2 283.5 2.30 8 838 1691 -9.1 -13.5 70 4.4 -10.3 72 12 277.7 278.0 272.5 282.3 1.61 9 830 1765 -8.1 -17.1 48 9.0 -10.4 64 12 279.6 279.8 272.9 283.1 1.20 10 829 1775 -8.1 -18.1 44 10.0 -10.5 62 12 279.7 279.8 272.8 282.9 1.11 11 820 1859 -7.7 -20.7 34 13.0 -10.7 53 13 281.0 281.1 273.2 283.6 0.90 12 760 2447 -10.3 -32.3 15 22.0 -13.9 344 17 284.3 284.4 274.2 285.4 0.33 13 738 2672 -12.7 -33.7 15 21.0 -15.9 318 18 284.1 284.1 274.0 285.1 0.30 14 735 2703 -10.9 -27.9 23 17.0 -14.1 314 18 286.4 286.5 275.6 288.0 0.52 15 728 2777 -10.1 -26.1 26 16.0 -13.3 305 19 288.1 288.2 276.7 290.0 0.62 16 724 2819 -10.3 -27.3 23 17.0 -13.6 300 19 288.3 288.4 276.7 290.1 0.56 17 720 2862 -9.9 -28.9 20 19.0 -13.5 295 20 289.2 289.3 277.0 290.7 0.49 18 700 3078 -11.7 -39.7 8 28.0 -15.5 270 21 289.5 289.6 276.7 290.1 0.17 19 615 4062 -16.3 -52.3 3 36.0 -19.7 282 33 295.2 295.2 279.3 295.3 0.05 20 587 4412 -16.3 -52.3 3 36.0 -19.8 286 37 299.1 299.1 281.0 299.3 0.05 21 500 5600 -24.9 -53.9 5 29.0 -27.0 300 52 302.7 302.7 282.5 302.9 0.05 22 442 6481 -32.3 -58.3 6 26.0 -33.6 300 65 304.2 304.2 283.1 304.3 0.03 23 400 7180 -35.3 -57.3 9 22.0 -36.3 300 75 309.1 309.1 285.0 309.3 0.04 24 394 7285 -35.7 -57.7 9 22.0 -36.7 300 76 309.9 309.9 285.4 310.1 0.04 25 300 9120 -50.3 -68.3 10 18.0 -50.6 305 97 314.5 314.5 286.9 314.5 0.01 26 265 9921 -57.3 -74.3 10 17.0 -57.5 305 90 315.6 315.6 287.3 315.6 0.01 27 250 10290 -59.3 -76.3 9 17.0 -59.4 305 87 317.9 317.9 288.1 317.9 0.00 28 221 11051 -64.3 -80.3 9 16.0 -64.4 310 91 321.6 321.6 289.2 321.6 0.00 29 201 11630 -64.3 -79.3 11 15.0 -64.4 305 81 330.5 330.5 291.9 330.5 0.00 30 200 11660 -64.1 -79.1 11 15.0 -64.2 305 81 331.2 331.3 292.0 331.3 0.00 31 193 11879 -61.1 -76.1 12 15.0 -61.2 304 80 339.4 339.4 294.2 339.5 0.01 32 150 13430 -63.3 -80.3 8 17.0 -63.4 295 73 361.0 361.0 298.9 361.1 0.00 33 100 15920 -64.5 -93.5 1 29.0 -64.7 290 62 403.1 403.1 305.6 403.1 0.00 34 89 16626 -67.9 -94.9 1 27.0 -68.0 290 66 410.0 410.0 306.5 410.0 0.00 35 71 17985 -67.5 -95.5 1 28.0 -67.7 290 74 438.2 438.2 309.7 438.2 0.00 36 70 18070 -67.1 -95.1 1 28.0 -67.2 290 75 440.8 440.8 310.0 440.8 0.00 37 61 18912 -63.3 -92.3 1 29.0 -63.6 286 72 467.0 467.0 312.4 467.0 0.00 38 50 20140 -62.7 -91.7 1 29.0 -63.1 280 68 495.7 495.7 314.7 495.7 0.00 39 47 20522 -62.1 -91.1 1 29.0 -62.6 279 71 506.0 506.0 315.4 506.0 0.00 40 40 21510 -65.5 -93.5 1 28.0 -65.8 278 77 521.4 521.4 316.4 521.4 0.00 41 37 21986 -63.9 -92.9 1 29.0 -64.4 277 80 537.2 537.2 317.3 537.2 0.00 42 31 23055 -69.7 -96.7 1 27.0 -69.9 275 88 549.5 549.5 318.1 549.5 0.00 43 30 23250 -69.9 -96.9 1 27.0 -70.2 275 89 554.1 554.1 318.3 554.1 0.00 44 22 25125 -64.9 -92.9 1 28.0 -65.6 271 110 620.4 620.4 321.5 620.4 0.00 45 20 25720 -56.3 -87.3 1 31.0 -58.2 270 116 663.8 663.8 323.2 663.9 0.01 46 19 26030 -53.7 -85.7 1 32.0 -56.3 269 116 681.7 681.7 323.9 681.8 0.01 47 16 27075 -55.9 -86.9 1 31.0 -58.3 266 117 708.9 708.9 324.7 709.0 0.01 48 14 27881 -60.1 -90.1 1 30.0 -61.9 263 117 722.3 722.3 325.1 722.3 0.01 49 12 28820 -54.4 -86.3 1 31.8 -57.8 260 118 774.9 774.9 326.6 775.1 0.02 50 10 29970 -47.7 -81.7 1 34.0 -54.1 265 116 841.5 841.5 328.2 842.0 0.05 51 10 29970 -47.7 -81.7 1 34.0 -54.1 265 116 841.5 841.5 328.2 842.0 0.05 TRP 221 11051 -64.3 -80.3 9 16.0 -64.4 310 91 321.6 321.6 289.2 321.6 0.00 WND 12 28820 -54.4 -86.3 1 31.8 -57.8 260 118 774.9 774.9 326.6 775.1 0.02 Sounding variables and indices 1000-500 mb thick: 5277.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 20.96 % Est. max temperature: 5.05 C = 41.09 F Sfc-Lift cond lev (LCL): 937.78 mb = 821.81 m = 2696.18 ft T: -7.96 C 700-500 lapse rate: 5.23 C/km ThetaE index: 1.11 C Layer 838.0- 830.0 mb Conv cond level (CCL): 929.91 mb = 887.01 m = 2910.09 ft Mean mixing ratio: 2.14 g/kg Conv temperature: -6.32 C = 20.62 F Cap Strength: 19.83 C Lifted Index: 21.43 C Risk: None Lifted Index @300 mb: 26.61 C Lifted Index @700 mb: 13.30 C Showalter Index: 16.74 C Risk: None Total Totals Index: 31.60 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 15.80 C K Index: -21.30 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 4.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.19 J/kg Max Up Vert Vel: 6.03 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 21.34 C Lift Cond Lev (LCL): 915.20 mb = 1010.29 m = 3314.56 ft Lev Free Conv (LFC): 910.20 mb = 1052.54 m = 3453.18 ft Equ Level (EL): 870.20 mb = 1399.17 m = 4590.40 ft B at Equ Level: 14.94 J/kg Max Parcel Lev (MPL): 850.20 mb = 1579.14 m = 5180.85 ft Wind level data Storm motion: 326 at 24 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 ---------------------------------------------------------- 0 959 649 45 5 -3.5 -3.5 | 134 23 -16.6 16.1 1 925 928 45 9 -6.4 -6.4 | 124 24 -19.4 13.3 2 850 1581 85 11 -11.0 -1.0 | 128 30 -24.0 18.7 3 700 3078 270 21 21.0 -0.0 | 202 21 7.9 19.7 4 500 5600 300 52 45.0 -26.0 | 281 33 32.0 -6.3 5 400 7180 300 75 65.0 -37.5 | 289 55 51.9 -17.8 6 300 9120 305 97 79.5 -55.6 | 298 76 66.4 -36.0 7 250 10290 305 87 71.3 -49.9 | 297 66 58.2 -30.2 8 221 11051 310 91 69.7 -58.5 | 304 69 56.7 -38.8 9 200 11660 305 81 66.4 -46.5 | 297 60 53.3 -26.8 10 150 13430 295 73 66.2 -30.9 | 282 54 53.1 -11.2 11 100 15920 290 62 58.3 -21.2 | 272 45 45.2 -1.5 12 70 18070 290 75 70.5 -25.7 | 276 58 57.4 -6.0 13 50 20140 280 68 67.0 -11.8 | 262 54 53.9 7.9 14 30 23250 275 89 88.7 -7.8 | 261 77 75.6 11.9 15 20 25720 270 116 116.0 -0.0 | 259 105 102.9 19.7 16 12 28820 260 118 116.2 20.5 | 249 111 103.1 40.2 17 10 29970 265 116 115.6 10.1 | 254 107 102.5 29.8 Wind Parameters Mean winds (0-6000m): 296.4 at 31.5 knts Storm direction: 326.4 at 23.6 knts Shear (0-3000m) pos: 0.4 neg: 5.7 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 87.9 deg Storm rel helicity (0-3000m) pos: 79.5 neg: -90.6 tot: -11.0 m^2/s^2 ave: -3.7 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 164.69 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 49 8 127 24| 5.1 0.0 5.1| 0.5 -24.9 -24.4 -48.8 -0.64| 6.4 -4.1 1000 63 9 126 26| 4.0 0.0 4.0| 12.0 -34.4 -22.4 -22.4 -0.30| 6.2 -1.9 1500 55 10 122 26| 2.6 4.5 7.1| 12.0 -86.9 -74.9 -49.9 -0.44| 8.8 -3.9 2000 30 12 116 21| 2.0 6.5 8.5| 26.5 -88.9 -62.4 -31.2 -0.10| 11.1 -1.1 2500 338 14 132 11| 1.6 6.8 8.4| 41.7 -90.6 -48.8 -19.5 0.02| 12.5 0.3 3000 292 15 185 14| 0.4 5.7 6.1| 79.5 -90.6 -11.0 -3.7 0.12| 11.5 1.4 4000 287 20 204 15| 1.9 4.3 6.1|165.1 -90.6 74.5 18.6 0.27| 10.5 2.8 5000 294 26 228 14| 3.1 3.4 6.5|269.4 -90.6 178.9 35.8 0.36| 10.0 3.6 6000 296 31 249 16| 2.6 3.9 6.5|309.9 -90.6 219.3 36.5 0.35| 9.6 3.3 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251210.12.gif