UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122511.upa.cvt Date: 1100Z 25 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:1100Z 25 DEC 25 Station: BGAM WMO ident: 4360 Latitude: 65.60 Longitude: -37.63 Elevation: 52.00 ------------------------------------------------------------------------------- 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 997 52 0.6 -1.9 83 2.5 -0.4 180 3 274.0 274.5 272.9 283.1 3.33 1 966 304 -1.1 -4.5 78 3.4 -2.3 181 9 274.8 275.2 272.6 282.5 2.83 2 922 672 -4.7 -7.1 83 2.4 -5.5 182 18 274.8 275.2 272.0 281.5 2.43 3 895 905 -6.9 -11.0 73 4.1 -8.1 183 23 274.8 275.1 271.1 280.0 1.84 4 888 966 -7.5 -11.1 75 3.6 -8.5 184 25 274.8 275.1 271.1 280.0 1.84 5 850 1304 -9.5 -16.5 57 7.0 -11.2 185 33 276.2 276.4 271.0 279.8 1.24 6 802 1752 -11.1 -22.1 40 11.0 -13.4 185 36 279.1 279.3 272.1 281.5 0.81 7 766 2102 -14.5 -23.5 46 9.0 -16.2 185 38 279.1 279.3 271.9 281.4 0.75 8 708 2693 -19.5 -25.5 59 6.0 -20.5 185 41 280.0 280.1 272.3 282.0 0.68 9 700 2777 -20.1 -26.1 59 6.0 -21.0 185 42 280.2 280.3 272.4 282.2 0.65 10 665 3155 -23.1 -30.1 53 7.0 -24.0 186 44 281.0 281.1 272.6 282.5 0.47 11 626 3595 -26.3 -34.3 47 8.0 -27.1 187 47 282.2 282.3 273.1 283.3 0.33 12 604 3852 -28.3 -36.3 46 8.0 -29.0 187 48 282.8 282.9 273.3 283.7 0.28 13 585 4082 -28.1 -46.1 16 18.0 -29.3 188 49 285.7 285.7 274.6 286.0 0.10 14 575 4205 -28.7 -46.7 16 18.0 -29.9 188 50 286.4 286.4 274.9 286.7 0.10 15 536 4703 -33.1 -48.1 21 15.0 -33.9 189 53 286.9 286.9 275.2 287.2 0.09 16 500 5190 -35.3 -54.3 13 19.0 -36.1 190 56 290.0 290.0 276.7 290.2 0.05 17 439 6086 -40.3 -61.3 9 21.0 -40.9 190 78 294.7 294.7 279.0 294.8 0.02 18 400 6720 -39.9 -60.9 9 21.0 -40.6 190 93 303.1 303.1 282.7 303.2 0.03 19 379 7090 -39.5 -65.5 5 26.0 -40.2 189 109 308.4 308.4 284.7 308.4 0.02 20 323 8171 -46.2 -66.0 9 19.8 -46.6 185 155 313.5 313.5 286.6 313.6 0.02 21 300 8660 -49.3 -66.3 12 17.0 -49.6 190 151 315.9 315.9 287.4 315.9 0.02 22 293 8814 -50.5 -67.5 12 17.0 -50.8 190 148 316.3 316.3 287.5 316.4 0.01 23 250 9840 -53.3 -73.3 7 20.0 -53.5 190 124 326.8 326.8 290.8 326.9 0.01 24 230 10372 -55.9 -76.9 6 21.0 -56.1 195 104 330.8 330.8 291.9 330.8 0.00 25 215 10800 -55.5 -78.5 4 23.0 -55.8 193 100 337.8 337.8 293.8 337.8 0.00 26 200 11260 -55.3 -79.3 4 24.0 -55.6 190 95 345.2 345.2 295.6 345.2 0.00 27 176 12082 -52.9 -79.9 2 27.0 -53.3 188 89 362.0 362.0 299.1 362.0 0.00 28 150 13110 -55.1 -84.1 2 29.0 -55.5 185 81 375.1 375.1 301.5 375.1 0.00 29 131 13967 -59.1 -89.1 1 30.0 -59.3 192 82 382.8 382.8 302.7 382.8 0.00 30 100 15660 -58.9 -88.9 1 30.0 -59.2 205 83 413.9 413.9 307.0 413.9 0.00 31 95 15981 -58.3 -88.3 1 30.0 -58.7 204 83 421.2 421.2 307.9 421.2 0.00 32 70 17870 -63.7 -91.7 1 28.0 -64.0 195 81 448.1 448.1 310.7 448.1 0.00 33 50 19910 -69.1 -96.1 1 27.0 -69.3 205 89 480.7 480.7 313.5 480.7 0.00 34 41 21088 -72.3 -98.3 1 26.0 -72.5 209 93 500.7 500.7 315.0 500.7 0.00 35 31 22728 -73.7 -98.7 1 25.0 -73.9 214 98 538.6 538.6 317.5 538.6 0.00 36 30 22920 -73.7 -98.7 1 25.0 -73.9 215 99 543.7 543.7 317.8 543.7 0.00 37 20 25270 -77.3 -101.3 1 24.0 -77.4 220 89 599.6 599.6 320.6 599.6 0.00 38 12 28169 -84.7 -106.7 1 22.0 -84.8 216 107 667.7 667.7 323.3 667.7 0.00 39 10 29190 -81.5 -104.5 1 23.0 -81.7 215 114 715.3 715.3 324.9 715.3 0.00 40 8.7 29970 -82.5 -105.5 1 23.0 -82.7 740.5 740.5 325.7 740.5 0.00 TRP 230 10372 -55.9 -76.9 6 21.0 -56.1 195 104 330.8 330.8 291.9 330.8 0.00 WND 323 8171 -46.2 -66.0 9 19.8 -46.6 185 155 313.5 313.5 286.6 313.6 0.02 Sounding variables and indices 1000-500 mb thick: 5138.00 m Freezing level: 986.06 mb = 140.93 m = 462.37 ft Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 47.73 % Est. max temperature: 2.98 C = 37.37 F Sfc-Lift cond lev (LCL): 958.83 mb = 362.86 m = 1190.48 ft T: -1.68 C 700-500 lapse rate: 6.30 C/km ThetaE index: 3.30 C Layer 966.0- 802.0 mb Conv cond level (CCL): 901.96 mb = 844.00 m = 2769.01 ft Mean mixing ratio: 2.64 g/kg Conv temperature: 1.43 C = 34.58 F Cap Strength: 4.91 C Lifted Index: 7.10 C Risk: None Lifted Index @300 mb: 24.04 C Lifted Index @700 mb: 1.15 C Showalter Index: 8.80 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 18.80 C K Index: 3.30 Risk: None Sweat Index: 122.00 Risk: None Energy Index: 2.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.22 J/kg Max Up Vert Vel: 2.54 m/s Conv Inhibition (B-): 2.28 J/kg Cap Strength: 6.83 C Lift Cond Lev (LCL): 904.08 mb = 825.65 m = 2708.79 ft Lev Free Conv (LFC): 889.08 mb = 956.14 m = 3136.92 ft Equ Level (EL): 869.08 mb = 1132.23 m = 3714.61 ft B at Equ Level: 3.15 J/kg Max Parcel Lev (MPL): 839.08 mb = 1403.55 m = 4604.76 ft Wind level data Storm motion: 217 at 32 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 ---------------------------------------------------------- 0 997 52 180 3 0.0 3.0 | 41 30 -19.5 -22.4 1 850 1304 185 33 2.9 32.9 | 114 18 -16.6 7.5 2 700 2777 185 42 3.7 41.8 | 136 23 -15.8 16.4 3 500 5190 190 56 9.7 55.1 | 162 31 -9.8 29.7 4 400 6720 190 93 16.1 91.6 | 177 66 -3.3 66.2 5 323 8171 185 155 13.5 154.4 | 177 129 -6.0 129.0 6 300 8660 190 151 26.2 148.7 | 183 123 6.7 123.3 7 250 9840 190 124 21.5 122.1 | 181 97 2.0 96.7 8 230 10372 195 104 26.9 100.5 | 186 75 7.4 75.0 9 200 11260 190 95 16.5 93.6 | 177 68 -3.0 68.1 10 150 13110 185 81 7.1 80.7 | 167 57 -12.4 55.3 11 100 15660 205 83 35.1 75.2 | 197 52 15.6 49.8 12 70 17870 195 81 21.0 78.2 | 182 53 1.5 52.8 13 50 19910 205 89 37.6 80.7 | 198 58 18.1 55.2 14 30 22920 215 99 56.8 81.1 | 214 67 37.3 55.7 15 20 25270 220 89 57.2 68.2 | 221 57 37.7 42.8 16 10 29190 215 114 65.4 93.4 | 214 82 45.9 68.0 Wind Parameters Mean winds (0-6000m): 187.5 at 42.7 knts Storm direction: 217.5 at 32.0 knts Shear (0-3000m) pos: 5.9 neg: 1.0 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 98.7 deg Storm rel helicity (0-3000m) pos: 193.8 neg: 0.0 tot: 193.8 m^2/s^2 ave: 64.6 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 6.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 157.14 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 ------------------------------------------------------------------------------- 500 187 8 47 25| 12.3 0.0 12.3| 59.1 0.0 59.1 118.1 0.74| 12.3 9.1 1000 185 15 60 21| 12.3 0.0 12.3|115.6 0.0 115.6 115.6 0.83| 12.3 10.3 1500 185 21 74 18| 10.8 0.0 10.8|150.8 0.0 150.8 100.5 0.87| 10.8 9.4 2000 185 24 86 17| 8.1 0.8 8.9|164.7 0.0 164.7 82.3 0.87| 8.9 7.8 2500 185 27 97 17| 6.5 1.3 7.7|178.6 0.0 178.6 71.4 0.87| 7.8 6.7 3000 185 30 105 17| 5.9 1.0 7.0|193.8 0.0 193.8 64.6 0.86| 7.0 6.0 4000 186 34 118 18| 5.2 0.8 6.0|227.5 0.0 227.5 56.9 0.86| 6.0 5.2 5000 187 38 129 20| 4.7 0.6 5.4|263.4 0.0 263.4 52.7 0.85| 5.4 4.6 6000 187 43 141 22| 4.8 1.6 6.3|350.1 0.0 350.1 58.3 0.71| 6.4 4.6 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251225.11.gif