UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122111.upa.cvt Date: 1100Z 21 DEC 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:1100Z 21 DEC 25 Station: BGEM WMO ident: 4220 Latitude: 68.70 Longitude: -52.85 Elevation: 41.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 966 41 3.4 -1.0 73 4.4 1.5 145 17 279.3 279.9 276.4 289.5 3.67 1 947 202 4.6 -4.4 52 9.0 1.0 147 19 282.1 282.6 276.9 290.4 2.91 2 936 297 3.6 -4.4 56 8.0 0.4 149 19 282.0 282.5 276.9 290.4 2.94 3 877 821 -1.5 -5.6 74 4.1 -3.0 156 25 282.0 282.5 276.7 290.2 2.87 4 868 903 -1.7 -5.3 76 3.6 -3.1 158 25 282.7 283.2 277.2 291.1 2.96 5 850 1069 -3.1 -5.7 82 2.6 -4.1 160 27 282.9 283.4 277.3 291.3 2.94 6 819 1362 -4.9 -6.0 92 1.1 -5.3 158 27 284.0 284.5 277.9 292.5 2.98 7 745 2101 -9.3 -10.6 90 1.3 -9.7 153 27 287.0 287.4 278.5 293.7 2.29 8 733 2227 -10.1 -11.3 91 1.2 -10.5 152 27 287.5 287.9 278.6 294.0 2.20 9 700 2581 -11.7 -13.0 90 1.3 -12.1 150 27 289.5 289.9 279.3 295.5 2.01 10 655 3087 -15.3 -17.1 86 1.8 -15.7 153 33 291.0 291.3 279.4 295.7 1.53 11 612 3597 -19.3 -21.5 83 2.2 -19.8 156 39 292.1 292.3 279.4 295.6 1.12 12 564 4200 -23.9 -26.5 79 2.6 -24.3 160 47 293.6 293.7 279.6 296.1 0.78 13 500 5070 -29.9 -32.9 75 3.0 -30.3 165 58 296.6 296.7 280.5 298.2 0.48 14 400 6620 -42.1 -45.6 69 3.5 -42.3 150 73 300.3 300.3 281.7 300.8 0.16 15 379 6982 -44.7 -47.9 70 3.2 -44.8 149 79 301.5 301.5 282.2 302.0 0.13 16 360 7325 -44.5 -54.5 32 10.0 -44.9 148 84 306.2 306.3 284.0 306.5 0.06 17 354 7437 -45.1 -56.1 28 11.0 -45.4 148 86 306.9 306.9 284.2 307.1 0.05 18 339 7726 -45.3 -56.3 28 11.0 -45.6 147 91 310.5 310.5 285.5 310.7 0.06 19 319 8128 -47.7 -60.7 21 13.0 -48.0 146 97 312.6 312.6 286.3 312.7 0.03 20 300 8530 -50.7 -62.7 23 12.0 -51.0 145 104 313.9 313.9 286.8 314.0 0.03 21 286 8841 -52.5 -65.5 19 13.0 -52.7 148 105 315.6 315.6 287.3 315.7 0.02 22 277 9047 -52.4 -65.8 18 13.4 -52.7 150 106 318.6 318.7 288.3 318.7 0.02 23 264 9359 -52.3 -66.3 17 14.0 -52.5 155 103 323.2 323.2 289.8 323.3 0.02 24 250 9710 -54.3 -69.3 14 15.0 -54.5 160 99 325.3 325.3 290.4 325.4 0.01 25 211 10792 -57.9 -73.9 11 16.0 -58.0 164 85 335.9 335.9 293.3 335.9 0.01 26 201 11099 -59.3 -77.3 8 18.0 -59.5 165 81 338.4 338.4 293.9 338.4 0.01 27 200 11130 -59.3 -77.3 8 18.0 -59.5 165 81 338.9 338.9 294.0 338.9 0.01 28 194 11322 -56.7 -73.7 10 17.0 -56.9 167 79 346.0 346.0 295.7 346.0 0.01 29 181 11758 -59.3 -79.3 6 20.0 -59.5 170 74 348.7 348.7 296.3 348.7 0.00 30 159 12573 -56.9 -77.9 5 21.0 -57.2 177 64 365.9 365.9 299.8 365.9 0.01 31 150 12940 -58.1 -80.1 4 22.0 -58.3 180 60 370.0 370.0 300.5 370.0 0.00 32 101 15399 -63.7 -91.7 1 28.0 -63.9 185 42 403.5 403.5 305.7 403.5 0.00 33 100 15460 -63.9 -91.9 1 28.0 -64.1 185 42 404.3 404.3 305.7 404.3 0.00 34 89 16170 -66.3 -94.3 1 28.0 -66.4 195 43 413.2 413.2 306.9 413.2 0.00 35 70 17620 -67.5 -94.5 1 27.0 -67.7 215 46 440.0 440.0 309.8 440.0 0.00 36 50 19640 -67.5 -94.5 1 27.0 -67.7 240 42 484.4 484.4 313.8 484.4 0.00 37 49 19762 -67.3 -94.3 1 27.0 -67.5 240 42 487.7 487.7 314.1 487.7 0.00 38 30 22670 -73.9 -98.9 1 25.0 -74.0 245 44 543.2 543.2 317.7 543.2 0.00 39 21 24723 -78.7 -102.7 1 24.0 -78.8 254 66 587.0 587.0 320.0 587.0 0.00 40 20 25000 -79.1 -103.1 1 24.0 -79.2 255 69 594.0 594.0 320.3 594.0 0.00 41 10 28880 -84.3 -106.3 1 22.0 -84.4 260 60 704.9 704.9 324.6 704.9 0.00 42 4.4 33561 -72.7 -98.7 1 26.0 -73.7 946.2 946.2 330.2 946.2 0.00 TRP 201 11099 -59.3 -77.3 8 18.0 -59.5 165 81 338.4 338.4 293.9 338.4 0.01 WND 277 9047 -52.4 -65.8 18 13.4 -52.7 150 106 318.6 318.7 288.3 318.7 0.02 Sounding variables and indices Freezing level: 894.35 mb = 666.70 m = 2187.30 ft Wetbulb zero: 928.66 mb = 360.58 m = 1182.98 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 81.22 % Est. max temperature: 8.18 C = 46.73 F Sfc-Lift cond lev (LCL): 902.39 mb = 591.24 m = 1939.73 ft T: 0.74 C 700-500 lapse rate: 7.31 C/km ThetaE index: 0.19 C Layer 877.0- 868.0 mb Conv cond level (CCL): 792.12 mb = 1622.73 m = 5323.84 ft Mean mixing ratio: 2.98 g/kg Conv temperature: 9.13 C = 48.43 F Cap Strength: 4.56 C Lifted Index: 6.12 C Risk: None Lifted Index @300 mb: 16.78 C Lifted Index @700 mb: 3.72 C Showalter Index: 5.35 C Risk: None Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 24.20 C K Index: 19.80 Risk: < 20 % chance of thunderstorms Sweat Index: 152.00 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.43 J/kg Max Up Vert Vel: 3.59 m/s Conv Inhibition (B-): 55228.54 J/kg Cap Strength: 6.10 C Lift Cond Lev (LCL): 831.07 mb = 1246.79 m = 4090.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 189 at 29 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 ---------------------------------------------------------- 0 966 41 145 17 -9.8 13.9 | 44 21 -14.2 -14.8 1 850 1069 160 27 -9.2 25.4 | 76 14 -13.6 -3.4 2 700 2581 150 27 -13.5 23.4 | 73 19 -17.9 -5.4 3 500 5070 165 58 -15.0 56.0 | 145 33 -19.4 27.3 4 400 6620 150 73 -36.5 63.2 | 130 53 -40.9 34.5 5 300 8530 145 104 -59.7 85.2 | 131 85 -64.1 56.4 6 277 9047 150 106 -53.0 91.8 | 138 85 -57.4 63.0 7 250 9710 160 99 -33.9 93.0 | 149 75 -38.3 64.3 8 201 11099 165 81 -21.0 78.2 | 153 56 -25.4 49.5 9 200 11130 165 81 -21.0 78.2 | 153 56 -25.4 49.5 10 150 12940 180 60 0.0 60.0 | 172 32 -4.4 31.2 11 100 15460 185 42 3.7 41.8 | 177 13 -0.8 13.1 12 70 17620 215 46 26.4 37.7 | 248 24 22.0 8.9 13 50 19640 240 42 36.4 21.0 | 284 33 32.0 -7.8 14 30 22670 245 44 39.9 18.6 | 286 37 35.5 -10.2 15 20 25000 255 69 66.6 17.9 | 280 63 62.2 -10.9 16 10 28880 260 60 59.1 10.4 | 289 58 54.7 -18.3 Wind Parameters Mean winds (0-6000m): 158.7 at 38.8 knts Storm direction: 188.7 at 29.1 knts Shear (0-3000m) pos: 2.9 neg: 0.8 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 47.3 deg Storm rel helicity (0-3000m) pos: 72.6 neg: -3.3 tot: 69.3 m^2/s^2 ave: 23.1 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 52.40 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 ------------------------------------------------------------------------------- 500 151 19 49 18| 5.6 0.0 5.6| 22.3 0.0 22.3 44.5 0.81| 5.6 4.6 1000 154 22 57 17| 5.7 0.0 5.7| 42.4 0.0 42.4 42.4 0.83| 5.8 4.8 1500 156 24 63 16| 3.8 0.4 4.3| 43.4 -0.6 42.8 28.5 0.74| 4.4 3.2 2000 156 24 66 16| 2.9 0.7 3.6| 43.4 -1.8 41.7 20.8 0.64| 3.7 2.4 2500 155 25 68 16| 2.3 0.9 3.2| 43.4 -3.3 40.2 16.1 0.56| 3.3 1.8 3000 154 26 70 17| 2.9 0.8 3.6| 72.6 -3.3 69.3 23.1 0.67| 3.7 2.5 4000 155 29 82 17| 3.8 0.6 4.4|140.8 -3.3 137.5 34.4 0.76| 4.5 3.4 5000 158 34 99 17| 4.5 0.5 4.9|220.9 -3.3 217.7 43.5 0.77| 5.0 3.8 6000 159 39 112 20| 3.7 1.5 5.2|220.9 -67.6 153.3 25.6 0.50| 5.4 2.7 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251221.11.gif