UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122200.upa.cvt Date: 0000Z 22 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 22 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 272 SFC 953 651 -5.1 -7.4 84 2.3 -5.8 230 3 271.8 272.1 269.9 278.1 2.30 2 941 751 -1.3 -1.3 100 0.0 -1.3 185 3 276.6 277.2 275.0 286.7 3.69 3 925 888 -1.9 -3.2 91 1.3 -2.4 125 3 277.4 277.9 274.8 286.4 3.26 4 861 1458 -2.7 -5.1 84 2.4 -3.6 104 6 282.3 282.8 277.1 290.9 3.03 5 850 1560 -3.3 -5.1 87 1.8 -4.0 100 7 282.7 283.2 277.4 291.4 3.07 6 718 2877 -10.9 -10.9 100 0.0 -10.9 187 9 288.3 288.7 279.1 295.1 2.32 7 706 3007 -9.5 -10.2 95 0.7 -9.7 196 9 291.3 291.7 280.7 298.7 2.49 8 700 3073 -9.9 -11.0 92 1.1 -10.3 200 9 291.5 291.9 280.7 298.6 2.36 9 596 4293 -18.5 -18.7 98 0.2 -18.6 219 20 295.3 295.5 281.3 299.8 1.47 10 575 4560 -19.1 -22.8 72 3.7 -19.9 223 22 297.6 297.8 281.7 301.0 1.06 11 527 5205 -21.9 -25.6 72 3.7 -22.6 234 28 301.8 301.9 283.3 304.7 0.90 12 500 5590 -24.7 -28.2 73 3.5 -25.3 240 31 302.9 303.1 283.5 305.4 0.75 13 400 7180 -37.3 -42.3 60 5.0 -37.7 245 29 306.5 306.6 284.3 307.3 0.23 14 311 8858 -51.9 -57.9 48 6.0 -52.0 258 22 309.0 309.0 285.0 309.2 0.05 15 300 9090 -52.9 -58.9 48 6.0 -53.0 260 21 310.8 310.8 285.7 311.0 0.05 16 265 9887 -55.7 -62.7 41 7.0 -55.8 260 10 317.9 317.9 288.1 318.0 0.03 17 251 10234 -55.1 -62.1 42 7.0 -55.2 260 5 323.8 323.8 289.9 323.9 0.04 18 250 10260 -55.3 -62.3 41 7.0 -55.4 260 5 323.9 323.9 290.0 324.0 0.04 19 226 10900 -58.7 -66.7 35 8.0 -58.8 165 7 328.1 328.1 291.2 328.2 0.02 20 200 11670 -57.9 -65.9 35 8.0 -58.0 255 13 341.1 341.1 294.6 341.2 0.03 21 167 12806 -57.1 -66.1 31 9.0 -57.3 252 24 360.5 360.5 298.8 360.6 0.03 22 150 13480 -59.1 -68.1 30 9.0 -59.3 250 31 368.3 368.3 300.3 368.4 0.03 23 100 16010 -60.7 -74.7 14 14.0 -60.9 260 36 410.4 410.5 306.6 410.5 0.02 24 79 17471 -62.1 -80.1 7 18.0 -62.4 250 35 436.2 436.2 309.5 436.2 0.01 25 70 18220 -60.9 -84.9 3 24.0 -61.3 245 35 454.1 454.1 311.3 454.1 0.00 26 50 20320 -60.1 -90.1 1 30.0 -60.7 260 44 501.9 501.9 315.1 501.9 0.00 27 38 22039 -57.7 -88.7 1 31.0 -58.7 257 53 548.9 548.9 318.1 549.0 0.00 28 30 23510 -62.9 -91.9 1 29.0 -63.6 255 60 573.2 573.2 319.3 573.2 0.00 29 28 23936 -64.1 -93.1 1 29.0 -64.7 255 62 581.2 581.3 319.8 581.3 0.00 30 21 25701 -65.5 -93.5 1 28.0 -66.1 255 70 626.9 626.9 321.7 626.9 0.00 31 20 26000 -64.1 -93.1 1 29.0 -64.9 255 71 640.0 640.0 322.3 640.0 0.00 32 15 27774 -61.1 -91.1 1 30.0 -62.6 704.8 704.8 324.6 704.9 0.01 33 14 28202 -62.0 -91.5 1 29.5 -63.4 250 85 715.9 715.9 324.9 716.0 0.01 34 13 28659 -62.9 -91.9 1 29.0 -64.3 728.0 728.0 325.3 728.1 0.01 35 11 29706 -55.5 -86.5 1 31.0 -58.8 790.5 790.5 327.0 790.7 0.02 TRP 226 10900 -58.7 -66.7 35 8.0 -58.8 165 7 328.1 328.1 291.2 328.2 0.02 WND 14 28202 -62.0 -91.5 1 29.5 -63.4 250 85 715.9 715.9 324.9 716.0 0.01 Sounding variables and indices 1000-500 mb thick: 5318.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.44 inches Sfc-500 mean rel hum: 88.10 % Est. max temperature: 7.56 C = 45.60 F Sfc-Lift cond lev (LCL): 918.84 mb = 941.15 m = 3087.72 ft T: -1.97 C 700-500 lapse rate: 5.88 C/km ThetaE index: 0.36 C Layer 925.0- 861.0 mb Conv cond level (CCL): 953.00 mb = 650.87 m = 2135.36 ft Mean mixing ratio: 3.17 g/kg Conv temperature: -3.18 C = 26.28 F Cap Strength: 12.65 C Lifted Index: 13.19 C Risk: None Lifted Index @300 mb: 16.34 C Lifted Index @700 mb: 7.19 C Showalter Index: 10.44 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 19.60 C K Index: 15.20 Risk: < 20 % chance of thunderstorms Sweat Index: 45.00 Risk: None Energy Index: 2.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.65 J/kg Max Up Vert Vel: 7.30 m/s Conv Inhibition (B-): 52162.55 J/kg Cap Strength: 13.00 C Lift Cond Lev (LCL): 879.35 mb = 1290.40 m = 4233.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 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 ---------------------------------------------------------- 0 953 651 230 3 2.3 1.9 | 86 10 -9.9 -0.6 1 925 888 125 3 -2.5 1.7 | 87 15 -14.7 -0.8 2 850 1560 100 7 -6.9 1.2 | 86 19 -19.1 -1.3 3 700 3073 200 9 3.1 8.5 | 123 11 -9.2 5.9 4 500 5590 240 31 26.8 15.5 | 228 20 14.6 13.0 5 400 7180 245 29 26.3 12.3 | 235 17 14.0 9.7 6 300 9090 260 21 20.7 3.6 | 263 9 8.4 1.1 7 250 10260 260 5 4.9 0.9 | 77 8 -7.3 -1.7 8 226 10900 165 7 -1.8 6.8 | 107 15 -14.1 4.2 9 200 11670 255 13 12.6 3.4 | 201 1 0.3 0.8 10 150 13480 250 31 29.1 10.6 | 244 19 16.9 8.1 11 100 16010 260 36 35.5 6.3 | 261 24 23.2 3.7 12 70 18220 245 35 31.7 14.8 | 238 23 19.5 12.3 13 50 20320 260 44 43.3 7.6 | 261 32 31.1 5.1 14 30 23510 255 60 58.0 15.5 | 254 48 45.7 13.0 15 20 26000 255 71 68.6 18.4 | 254 59 56.3 15.8 Wind Parameters Mean winds (0-6000m): 228.3 at 16.7 knts Storm direction: 258.3 at 12.5 knts Shear (0-3000m) pos: 2.9 neg: 1.6 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 64.5 deg Storm rel helicity (0-3000m) pos: 65.6 neg: -6.9 tot: 58.7 m^2/s^2 ave: 19.6 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.69 Bulk Shear: 38.82 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 ------------------------------------------------------------------------------- 500 136 3 90 15| 0.0 6.6 6.6| 3.8 -4.2 -0.4 -0.7 0.01| 7.1 0.1 1000 113 5 87 17| 0.0 4.7 4.7| 7.5 -6.9 0.5 0.5 0.02| 5.4 0.1 1500 118 6 90 17| 1.5 3.1 4.6| 27.4 -6.9 20.5 13.7 0.29| 5.1 1.5 2000 131 6 95 17| 2.2 2.4 4.6| 42.8 -6.9 35.9 18.0 0.40| 5.0 2.0 2500 148 7 102 16| 2.6 1.9 4.5| 52.2 -6.9 45.2 18.1 0.44| 5.0 2.2 3000 167 8 109 15| 2.9 1.6 4.5| 65.6 -6.9 58.7 19.6 0.53| 5.0 2.6 4000 198 10 129 12| 3.5 1.2 4.6| 97.1 -6.9 90.2 22.6 0.64| 5.0 3.2 5000 220 14 158 9| 3.7 0.9 4.7|138.7 -6.9 131.7 26.3 0.69| 5.2 3.5 6000 228 17 181 9| 3.0 0.8 3.8|145.5 -6.9 138.6 23.1 0.69| 4.5 3.1 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251222.00.gif