UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 26 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 221 SFC 948 650 1.0 -2.4 78 3.4 -0.4 305 3 278.4 278.9 275.5 287.7 3.38 2 925 847 -1.3 -3.6 84 2.3 -2.2 325 1 278.0 278.5 275.0 286.8 3.16 3 877 1269 -4.7 -4.7 100 0.0 -4.7 278 12 278.7 279.2 275.2 287.3 3.07 4 850 1515 -5.5 -5.5 100 0.0 -5.5 250 19 280.4 280.9 276.0 288.8 2.98 5 738 2616 -9.1 -9.1 100 0.0 -9.1 243 44 288.0 288.5 279.4 295.6 2.60 6 700 3023 -12.1 -12.1 100 0.0 -12.1 240 54 289.1 289.5 279.3 295.5 2.16 7 537 4997 -26.7 -27.1 96 0.4 -26.8 256 59 294.4 294.6 280.0 296.9 0.77 8 500 5510 -29.7 -30.9 89 1.2 -29.9 260 60 296.8 296.9 280.8 298.7 0.58 9 400 7070 -39.5 -42.6 72 3.1 -39.7 265 68 303.7 303.7 283.2 304.4 0.22 10 395 7156 -40.3 -43.5 71 3.2 -40.5 265 70 303.7 303.7 283.2 304.4 0.21 11 335 8264 -45.7 -49.8 63 4.1 -45.9 268 91 311.0 311.0 285.8 311.4 0.12 12 309 8797 -49.5 -54.1 58 4.6 -49.7 270 101 312.9 312.9 286.5 313.2 0.08 13 300 8990 -50.9 -55.7 57 4.8 -51.0 270 99 313.6 313.6 286.7 313.9 0.07 14 280 9433 -54.5 -59.5 54 5.0 -54.6 270 99 314.7 314.7 287.1 314.8 0.04 15 253 10075 -57.9 -62.9 53 5.0 -58.0 270 99 318.9 318.9 288.4 319.0 0.03 16 250 10150 -58.1 -64.1 46 6.0 -58.2 270 99 319.7 319.7 288.7 319.8 0.03 17 200 11550 -61.9 -67.9 45 6.0 -62.0 270 83 334.7 334.7 293.0 334.8 0.02 18 192 11800 -63.1 -69.1 44 6.0 -63.1 265 85 336.7 336.7 293.5 336.8 0.02 19 150 13320 -59.9 -64.9 52 5.0 -60.0 260 77 366.9 366.9 300.0 367.1 0.04 20 144 13576 -58.9 -64.9 46 6.0 -59.0 260 78 372.9 372.9 301.1 373.1 0.04 21 110 15251 -62.9 -69.9 38 7.0 -63.0 260 82 395.3 395.3 304.6 395.4 0.03 22 100 15840 -61.5 -69.5 34 8.0 -61.7 260 83 408.9 408.9 306.4 409.1 0.03 23 70 18070 -55.9 -65.9 28 10.0 -56.4 255 75 464.8 464.8 312.3 465.2 0.08 24 69 18162 -55.3 -65.3 28 10.0 -55.8 255 75 468.0 468.0 312.5 468.5 0.09 25 53 19824 -62.1 -73.1 22 11.0 -62.4 255 77 488.9 488.9 314.1 489.1 0.04 26 51 20065 -57.1 -68.1 24 11.0 -57.7 255 77 506.0 506.1 315.4 506.5 0.08 27 50 20190 -58.1 -70.1 20 12.0 -58.7 255 77 506.6 506.6 315.4 506.9 0.06 28 46 20715 -57.5 -69.5 20 12.0 -58.2 253 79 520.2 520.3 316.4 520.7 0.07 29 44 20993 -61.1 -73.1 19 12.0 -61.6 252 80 518.1 518.1 316.2 518.4 0.04 30 38 21902 -61.3 -73.3 19 12.0 -61.8 250 82 539.8 539.8 317.5 540.1 0.05 31 31 23197 -50.3 -64.3 18 14.0 -52.3 246 86 601.8 601.9 320.7 603.5 0.22 32 30 23410 -52.7 -67.7 15 15.0 -54.4 245 87 601.0 601.0 320.7 602.0 0.14 33 27 24090 -53.3 -68.3 14 15.0 -55.1 245 87 617.7 617.7 321.5 618.8 0.14 34 24 24856 -49.3 -65.3 14 16.0 -52.1 245 87 650.5 650.6 322.8 652.4 0.24 35 20 26040 -53.7 -70.7 11 17.0 -55.9 245 87 671.8 671.9 323.5 673.0 0.14 36 19 26366 -54.9 -71.9 10 17.0 -57.0 246 87 678.0 678.1 323.7 679.0 0.12 37 18 26712 -51.9 -70.9 8 19.0 -54.8 248 88 698.0 698.1 324.4 699.3 0.15 38 15 27890 -50.5 -68.5 10 18.0 -54.1 253 89 740.0 740.2 325.7 742.4 0.25 39 12 29325 -54.5 -74.5 7 20.0 -57.7 260 90 774.6 774.7 326.6 775.9 0.13 40 11 29884 -50.9 -72.9 6 22.0 -55.5 262 90 807.2 807.3 327.5 809.1 0.18 41 10 30500 -52.5 -77.5 3 25.0 -56.9 265 91 823.6 823.6 327.8 824.6 0.10 TRP 192 11800 -63.1 -69.1 44 6.0 -63.1 265 85 336.7 336.7 293.5 336.8 0.02 WND 309 8797 -49.5 -54.1 58 4.6 -49.7 270 101 312.9 312.9 286.5 313.2 0.08 Sounding variables and indices 1000-500 mb thick: 5289.00 m Freezing level: 938.00 mb = 735.86 m = 2414.20 ft Wetbulb zero: Below ground Precipitable water: 0.42 inches Sfc-500 mean rel hum: 97.08 % Est. max temperature: 6.33 C = 43.39 F Sfc-Lift cond lev (LCL): 899.07 mb = 1072.28 m = 3517.94 ft T: -3.11 C 700-500 lapse rate: 7.08 C/km ThetaE index: 0.97 C Layer 925.0- 877.0 mb Conv cond level (CCL): 880.56 mb = 1237.06 m = 4058.56 ft Mean mixing ratio: 3.12 g/kg Conv temperature: 1.29 C = 34.32 F Cap Strength: 6.97 C Lifted Index: 8.48 C Risk: None Lifted Index @300 mb: 18.60 C Lifted Index @700 mb: 5.28 C Showalter Index: 7.43 C Risk: None Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 24.20 C K Index: 18.70 Risk: < 20 % chance of thunderstorms Sweat Index: 144.71 Risk: None Energy Index: 2.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.71 J/kg Max Up Vert Vel: 4.17 m/s Conv Inhibition (B-): 69626.24 J/kg Cap Strength: 8.49 C Lift Cond Lev (LCL): 880.02 mb = 1241.95 m = 4074.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 282 at 35 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 ---------------------------------------------------------- 0 948 650 305 3 2.5 -1.7 | 100 32 -31.6 5.7 1 925 847 325 1 0.6 -0.8 | 101 34 -33.5 6.6 2 850 1515 250 19 17.9 6.5 | 130 21 -16.2 13.9 3 700 3023 240 54 46.8 27.0 | 200 37 12.7 34.4 4 500 5510 260 60 59.1 10.4 | 235 31 25.0 17.8 5 400 7070 265 68 67.7 5.9 | 248 36 33.6 13.3 6 309 8797 270 101 101.0 -0.0 | 264 67 66.9 7.4 7 300 8990 270 99 99.0 -0.0 | 264 65 64.9 7.4 8 250 10150 270 99 99.0 -0.0 | 264 65 64.9 7.4 9 200 11550 270 83 83.0 -0.0 | 261 49 48.9 7.4 10 192 11800 265 85 84.7 7.4 | 254 53 50.6 14.8 11 150 13320 260 77 75.8 13.4 | 244 47 41.7 20.7 12 100 15840 260 83 81.7 14.4 | 245 52 47.6 21.8 13 70 18070 255 75 72.4 19.4 | 235 47 38.3 26.8 14 50 20190 255 77 74.4 19.9 | 236 49 40.3 27.3 15 30 23410 245 87 78.8 36.8 | 225 63 44.8 44.1 16 20 26040 245 87 78.8 36.8 | 225 63 44.8 44.1 17 10 30500 265 91 90.7 7.9 | 255 59 56.6 15.3 Wind Parameters Mean winds (0-6000m): 252.2 at 46.5 knts Storm direction: 282.2 at 34.9 knts Shear (0-3000m) pos: 0.7 neg: 9.1 tot: 9.8 10-3/s Storm rel Dir Shear (0-3000m): 107.7 deg Storm rel helicity (0-3000m) pos: 295.9 neg: -15.1 tot: 280.8 m^2/s^2 ave: 93.6 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 7.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.03 Bulk Shear: 254.64 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 ------------------------------------------------------------------------------- 500 297 4 100 31| 0.0 6.5 6.5| 8.8 -15.1 -6.3 -12.6 -0.06| 11.0 -0.7 1000 254 10 112 27| 0.0 10.6 10.6| 92.7 -15.1 77.5 77.5 0.51| 14.3 7.3 1500 250 16 124 23| 0.0 11.1 11.1|153.9 -15.1 138.7 92.5 0.65| 13.6 8.8 2000 246 22 139 21| 0.0 11.3 11.3|212.4 -15.1 197.3 98.7 0.67| 13.2 8.9 2500 244 28 155 22| 0.0 10.9 10.9|260.4 -15.1 245.3 98.1 0.66| 12.6 8.2 3000 243 32 166 22| 0.7 9.1 9.8|295.9 -15.1 280.8 93.6 0.67| 11.2 7.5 4000 246 38 182 23| 1.6 6.8 8.4|366.0 -15.1 350.9 87.7 0.70| 9.4 6.7 5000 249 43 195 24| 2.1 5.5 7.6|432.2 -15.1 417.1 83.4 0.73| 8.4 6.1 6000 252 47 205 24| 2.2 4.5 6.8|477.1 -15.1 462.0 77.0 0.74| 7.5 5.6 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251226.12.gif