UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 7 DEC 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- 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 1015 27 -4.7 -8.3 76 3.6 -5.8 15 3 267.3 267.6 266.5 272.8 2.01 1 1000 144 -4.3 -9.3 68 5.0 -5.8 155 13 268.9 269.2 267.4 274.0 1.89 2 938 645 -7.1 -13.1 62 6.0 -8.7 167 16 271.0 271.2 268.1 275.1 1.48 3 925 754 -8.1 -14.1 62 6.0 -9.6 170 17 271.0 271.3 268.0 274.9 1.39 4 850 1404 -13.7 -18.4 68 4.7 -14.7 200 7 271.8 272.0 267.9 274.8 1.05 5 806 1805 -17.3 -20.9 73 3.6 -18.0 200 8 272.1 272.3 267.8 274.7 0.90 6 761 2234 -18.5 -21.2 79 2.7 -19.0 200 9 275.3 275.5 269.9 278.0 0.92 7 720 2647 -19.1 -27.1 49 8.0 -20.3 200 10 279.1 279.2 271.6 280.8 0.58 8 700 2856 -19.9 -27.9 49 8.0 -21.1 200 11 280.4 280.5 272.4 282.1 0.55 9 630 3631 -23.5 -28.5 63 5.0 -24.2 214 14 284.9 285.0 274.9 286.7 0.58 10 626 3677 -23.7 -28.7 63 5.0 -24.4 215 14 285.2 285.3 275.1 287.0 0.57 11 500 5280 -35.1 -45.1 35 10.0 -35.7 245 21 290.2 290.3 277.0 290.7 0.14 12 495 5350 -35.3 -45.3 35 10.0 -35.9 246 21 290.8 290.9 277.3 291.3 0.14 13 400 6800 -46.7 -55.7 35 9.0 -46.9 265 19 294.3 294.3 278.9 294.5 0.05 14 352 7637 -52.3 -60.3 38 8.0 -52.4 258 18 297.7 297.7 280.4 297.8 0.03 15 300 8660 -56.7 -64.7 36 8.0 -56.8 250 17 305.4 305.4 283.6 305.5 0.02 16 290 8874 -57.9 -64.9 40 7.0 -58.0 245 17 306.7 306.7 284.1 306.8 0.02 17 250 9820 -53.3 -61.3 37 8.0 -53.5 240 19 326.8 326.8 290.9 327.0 0.04 18 223 10560 -52.3 -60.3 38 8.0 -52.5 230 20 339.2 339.2 294.2 339.4 0.05 19 200 11270 -50.3 -59.3 34 9.0 -50.6 220 21 353.1 353.1 297.4 353.4 0.06 20 150 13140 -51.3 -63.3 23 12.0 -51.7 225 27 381.7 381.7 302.6 381.9 0.05 21 100 15770 -51.3 -67.3 13 16.0 -52.0 220 27 428.6 428.6 308.7 428.8 0.04 22 72 17906 -51.9 -68.9 11 17.0 -52.8 220 31 469.6 469.6 312.6 469.8 0.05 23 70 18090 -50.3 -68.3 10 18.0 -51.4 220 31 476.8 476.8 313.2 477.1 0.06 24 69 18184 -49.7 -67.7 10 18.0 -50.9 219 31 480.0 480.0 313.5 480.4 0.06 25 66 18476 -47.9 -65.9 11 18.0 -49.4 217 32 490.1 490.1 314.2 490.6 0.08 26 50 20300 -49.3 -69.3 8 20.0 -51.0 200 35 527.3 527.3 316.8 527.7 0.07 27 48 20566 -49.9 -69.9 8 20.0 -51.5 202 35 532.1 532.1 317.1 532.5 0.06 28 44 21136 -48.1 -69.1 7 21.0 -50.2 208 34 549.9 549.9 318.1 550.4 0.08 29 35 22650 -45.3 -67.3 7 22.0 -48.5 221 32 594.4 594.4 320.4 595.3 0.13 30 30 23670 -48.5 -70.5 6 22.0 -51.2 230 31 612.4 612.5 321.2 613.1 0.09 31 25 24871 -49.9 -71.9 6 22.0 -52.7 208 31 641.2 641.2 322.4 641.9 0.09 32 20 26340 -48.3 -71.3 5 23.0 -52.1 180 31 688.3 688.4 324.1 689.4 0.13 33 16 27819 -45.5 -69.5 5 24.0 -50.9 742.8 742.9 325.8 744.7 0.21 34 11 30291 -50.3 -74.3 4 24.0 -55.2 809.4 809.5 327.5 810.9 0.15 TRP 290 8874 -57.9 -64.9 40 7.0 -58.0 245 17 306.7 306.7 284.1 306.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5136.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 59.44 % Est. max temperature: -0.35 C = 31.38 F Sfc-Lift cond lev (LCL): 958.78 mb = 473.74 m = 1554.26 ft T: -6.14 C 700-500 lapse rate: 6.27 C/km ThetaE index: 0.40 C Layer 925.0- 761.0 mb Conv cond level (CCL): 861.43 mb = 1301.36 m = 4269.50 ft Mean mixing ratio: 1.65 g/kg Conv temperature: -0.31 C = 31.44 F Cap Strength: 10.29 C Lifted Index: 13.16 C Risk: None Lifted Index @300 mb: 21.91 C Lifted Index @700 mb: 6.97 C Showalter Index: 12.93 C Risk: None Total Totals Index: 38.10 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 16.70 C K Index: -5.00 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.17 J/kg Max Up Vert Vel: 4.04 m/s Conv Inhibition (B-): 70036.55 J/kg Cap Strength: 13.06 C Lift Cond Lev (LCL): 885.07 mb = 1093.23 m = 3586.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 248 at 11 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 1015 27 15 3 -0.8 -2.9 | 57 13 -10.7 -6.9 1 1000 144 155 13 -5.5 11.8 | 117 17 -15.4 7.7 2 925 754 170 17 -3.0 16.7 | 135 18 -12.8 12.7 3 850 1404 200 7 2.4 6.6 | 109 8 -7.5 2.5 4 700 2856 200 11 3.8 10.3 | 136 9 -6.1 6.3 5 500 5280 245 21 19.0 8.9 | 242 10 9.1 4.8 6 400 6800 265 19 18.9 1.7 | 285 9 9.0 -2.4 7 300 8660 250 17 16.0 5.8 | 254 6 6.1 1.8 8 290 8874 245 17 15.4 7.2 | 240 6 5.5 3.1 9 250 9820 240 19 16.5 9.5 | 230 9 6.6 5.5 10 200 11270 220 21 13.5 16.1 | 197 13 3.6 12.0 11 150 13140 225 27 19.1 19.1 | 211 18 9.2 15.0 12 100 15770 220 27 17.4 20.7 | 204 18 7.5 16.6 13 70 18090 220 31 19.9 23.7 | 207 22 10.0 19.7 14 50 20300 200 35 12.0 32.9 | 184 29 2.1 28.8 15 30 23670 230 31 23.7 19.9 | 221 21 13.9 15.9 16 20 26340 180 31 0.0 31.0 | 160 29 -9.9 27.0 Wind Parameters Mean winds (0-6000m): 217.8 at 14.2 knts Storm direction: 247.8 at 10.7 knts Shear (0-3000m) pos: 2.0 neg: 0.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 84.9 deg Storm rel helicity (0-3000m) pos: 102.2 neg: -11.6 tot: 90.6 m^2/s^2 ave: 30.2 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.34 Bulk Shear: 23.81 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 ------------------------------------------------------------------------------- 500 159 13 118 17| 18.7 0.0 18.7| 81.3 0.0 81.3 162.6 0.93| 22.4 20.9 1000 166 14 126 16| 8.1 0.0 8.1| 91.9 -1.6 90.3 90.3 0.76| 14.9 11.4 1500 171 13 125 14| 3.5 0.0 3.5| 92.5 -11.6 80.8 53.9 0.51| 12.3 6.3 2000 176 11 125 13| 2.7 0.4 3.0| 95.3 -11.6 83.7 41.9 0.53| 9.6 5.1 2500 181 11 125 12| 2.1 0.6 2.7| 98.2 -11.6 86.6 34.6 0.55| 7.9 4.3 3000 184 11 127 11| 2.0 0.5 2.5|102.2 -11.6 90.6 30.2 0.57| 6.9 3.9 4000 193 12 135 10| 2.1 0.4 2.4|115.0 -11.6 103.3 25.8 0.62| 6.0 3.7 5000 206 13 151 9| 2.1 0.3 2.3|130.2 -11.6 118.6 23.7 0.67| 5.5 3.7 6000 218 14 171 7| 1.7 0.2 1.9|144.1 -11.6 132.5 22.1 0.69| 5.1 3.5 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251207.12.gif