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 X1977... Searching the city database file for: X1977 ... Date:1200Z 7 DEC 25 Station: X1977 WMO ident: 31977 Latitude: 43.27 Longitude: 132.05 ------------------------------------------------------------------------------- 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 1004 89 0.4 -10.6 43 11.0 -3.0 135 1 273.2 273.5 269.9 278.0 1.69 1 1000 121 1.0 -9.0 47 10.0 -2.3 130 1 274.1 274.5 270.9 279.6 1.93 2 984 251 1.2 -9.8 44 11.0 -2.4 164 1 275.6 275.9 271.6 280.8 1.84 3 925 745 -1.7 -12.7 43 11.0 -5.0 295 1 277.6 277.8 272.3 282.0 1.55 4 916 823 -1.9 -11.9 46 10.0 -5.0 293 3 278.1 278.4 272.8 282.9 1.67 5 850 1411 -6.7 -13.7 57 7.0 -8.7 275 17 279.1 279.4 273.2 283.6 1.56 6 811 1775 -10.5 -15.5 67 5.0 -11.8 276 20 278.9 279.1 272.9 283.0 1.41 7 790 1976 -11.5 -16.5 66 5.0 -12.8 277 22 279.9 280.1 273.3 283.8 1.33 8 700 2891 -18.3 -24.3 59 6.0 -19.4 280 31 282.2 282.4 273.8 284.5 0.76 9 641 3543 -22.7 -28.7 58 6.0 -23.5 275 32 284.4 284.5 274.6 286.2 0.56 10 500 5310 -38.1 -44.1 53 6.0 -38.4 260 35 286.6 286.6 275.2 287.1 0.15 11 480 5590 -39.9 -44.9 59 5.0 -40.1 260 42 287.7 287.8 275.7 288.2 0.15 12 472 5704 -39.9 -44.9 59 5.0 -40.1 260 44 289.1 289.1 276.5 289.6 0.15 13 444 6120 -41.9 -47.9 52 6.0 -42.2 260 54 291.7 291.7 277.7 292.1 0.11 14 437 6228 -40.7 -47.7 47 7.0 -41.0 258 57 294.5 294.6 279.1 295.0 0.12 15 400 6830 -40.5 -49.5 37 9.0 -40.9 250 75 302.4 302.4 282.5 302.7 0.10 16 385 7090 -40.5 -50.5 33 10.0 -41.0 252 80 305.7 305.7 283.8 306.0 0.10 17 315 8437 -46.5 -59.5 21 13.0 -46.9 260 107 315.4 315.4 287.3 315.5 0.04 18 313 8480 -46.6 -59.8 21 13.1 -47.0 260 108 315.8 315.8 287.4 315.9 0.04 19 300 8760 -47.5 -61.5 19 14.0 -47.9 265 106 318.4 318.4 288.3 318.5 0.03 20 284 9121 -48.5 -62.5 18 14.0 -48.8 265 101 322.0 322.0 289.4 322.1 0.03 21 250 9960 -48.7 -63.7 16 15.0 -49.1 265 89 333.7 333.7 292.7 333.8 0.03 22 223 10718 -45.3 -61.3 15 16.0 -45.9 257 86 350.0 350.0 296.7 350.2 0.04 23 200 11440 -48.9 -64.9 14 16.0 -49.4 250 83 355.3 355.3 297.8 355.5 0.03 24 176 12276 -47.9 -64.9 12 17.0 -48.5 254 86 370.2 370.2 300.7 370.4 0.04 25 150 13320 -50.3 -68.3 10 18.0 -50.8 260 89 383.4 383.4 302.8 383.5 0.03 26 144 13586 -51.3 -69.3 10 18.0 -51.8 259 88 386.2 386.2 303.2 386.3 0.02 27 136 13961 -47.5 -66.5 10 19.0 -48.3 259 88 399.2 399.3 305.1 399.4 0.04 28 118 14890 -51.9 -70.9 8 19.0 -52.5 257 85 407.7 407.7 306.2 407.8 0.02 29 103 15777 -49.5 -69.5 8 20.0 -50.4 255 83 428.4 428.5 308.7 428.6 0.03 30 100 15970 -50.1 -70.1 8 20.0 -51.0 255 83 430.9 430.9 309.0 431.1 0.03 31 70 18270 -54.3 -74.3 7 20.0 -55.1 255 71 468.2 468.2 312.5 468.4 0.02 32 56 19686 -59.3 -79.3 6 20.0 -59.9 255 74 487.7 487.7 314.1 487.7 0.01 33 52 20153 -57.5 -77.5 6 20.0 -58.2 255 75 502.3 502.3 315.1 502.4 0.02 34 50 20400 -59.3 -79.3 6 20.0 -59.9 255 75 503.7 503.7 315.2 503.8 0.01 35 47 20787 -58.7 -78.7 6 20.0 -59.4 253 70 514.2 514.2 315.9 514.3 0.02 36 42 21506 -49.9 -71.9 6 22.0 -51.8 248 62 552.8 552.8 318.3 553.1 0.06 37 35 22680 -55.7 -76.7 6 21.0 -56.9 241 48 567.2 567.2 319.0 567.4 0.03 38 31 23451 -56.1 -77.1 6 21.0 -57.4 236 39 586.2 586.2 320.0 586.4 0.03 39 30 23660 -53.3 -74.3 6 21.0 -55.1 235 36 599.3 599.4 320.6 599.7 0.05 40 27 24347 -48.1 -70.1 6 22.0 -51.2 232 34 632.3 632.3 322.0 633.2 0.11 41 24 25125 -47.1 -69.1 6 22.0 -50.7 229 32 656.8 656.9 323.0 658.0 0.14 42 22 25694 -52.9 -74.9 5 22.0 -55.3 227 31 656.1 656.1 322.9 656.7 0.07 43 21 25994 -53.3 -74.3 6 21.0 -55.6 226 30 663.7 663.7 323.2 664.3 0.08 44 20 26310 -50.7 -72.7 6 22.0 -53.8 225 29 681.0 681.0 323.9 681.9 0.10 45 17 27382 -45.3 -69.3 5 24.0 -50.6 730.7 730.8 325.4 732.5 0.20 46 12 29672 -52.1 -74.1 5 22.0 -56.1 783.1 783.2 326.8 784.5 0.14 47 10 30857 -50.3 -73.3 5 23.0 -55.4 831.8 831.9 328.0 833.7 0.19 TRP 444 6120 -41.9 -47.9 52 6.0 -42.2 260 54 291.7 291.7 277.7 292.1 0.11 WND 313 8480 -46.6 -59.8 21 13.1 -47.0 260 108 315.8 315.8 287.4 315.9 0.04 Sounding variables and indices 1000-500 mb thick: 5189.00 m Freezing level: 959.59 mb = 455.18 m = 1493.36 ft Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 56.15 % Est. max temperature: 6.24 C = 43.23 F Sfc-Lift cond lev (LCL): 844.98 mb = 1456.90 m = 4779.79 ft T: -7.18 C 700-500 lapse rate: 8.19 C/km ThetaE index: 0.68 C Layer 811.0- 790.0 mb Conv cond level (CCL): 756.25 mb = 2306.46 m = 7567.04 ft Mean mixing ratio: 1.72 g/kg Conv temperature: 7.93 C = 46.27 F Cap Strength: 4.35 C Lifted Index: 4.71 C Risk: None Lifted Index @300 mb: 26.22 C Lifted Index @700 mb: 3.30 C Showalter Index: 2.98 C Risk: Showers probable Total Totals Index: 55.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.40 C Cross Totals Index: 24.40 C K Index: 11.70 Risk: None Sweat Index: 205.00 Risk: None Energy Index: 0.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.95 J/kg Max Up Vert Vel: 4.68 m/s Conv Inhibition (B-): 65815.76 J/kg Cap Strength: 4.69 C Lift Cond Lev (LCL): 805.55 mb = 1826.61 m = 5992.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 20 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 1004 89 135 1 -0.7 0.7 | 120 21 -18.2 10.5 1 1000 121 130 1 -0.8 0.6 | 120 21 -18.2 10.4 2 925 745 295 1 0.9 -0.4 | 120 19 -16.5 9.4 3 850 1411 275 17 16.9 -1.5 | 176 8 -0.5 8.3 4 700 2891 280 31 30.5 -5.4 | 251 14 13.1 4.4 5 500 5310 260 35 34.5 6.1 | 227 23 17.0 15.9 6 444 6120 260 54 53.2 9.4 | 242 41 35.7 19.2 7 400 6830 250 75 70.5 25.7 | 236 64 53.0 35.4 8 313 8480 260 108 106.4 18.8 | 252 93 88.9 28.5 9 300 8760 265 106 105.6 9.2 | 258 90 88.2 19.0 10 250 9960 265 89 88.7 7.8 | 256 73 71.2 17.6 11 200 11440 250 83 78.0 28.4 | 238 72 60.6 38.2 12 150 13320 260 89 87.6 15.5 | 250 75 70.2 25.2 13 100 15970 255 83 80.2 21.5 | 243 70 62.7 31.3 14 70 18270 255 71 68.6 18.4 | 241 58 51.1 28.2 15 50 20400 255 75 72.4 19.4 | 242 62 55.0 29.2 16 30 23660 235 36 29.5 20.6 | 202 33 12.0 30.4 17 20 26310 225 29 20.5 20.5 | 186 30 3.1 30.3 Wind Parameters Mean winds (0-6000m): 269.3 at 26.7 knts Storm direction: 299.3 at 20.0 knts Shear (0-3000m) pos: 3.4 neg: 2.2 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 128.8 deg Storm rel helicity (0-3000m) pos: 61.6 neg: -6.0 tot: 55.7 m^2/s^2 ave: 18.6 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 93.55 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 ------------------------------------------------------------------------------- 500 185 1 122 20| 1.8 0.0 1.8| 4.1 -1.2 2.9 5.8 0.25| 2.1 0.5 1000 283 2 122 18| 5.2 0.0 5.2| 14.0 -3.7 10.3 10.3 0.25| 5.6 1.4 1500 275 7 130 14| 3.5 3.3 6.8| 34.4 -3.7 30.7 20.5 0.56| 7.1 3.9 2000 276 10 140 11| 3.8 2.5 6.3| 44.5 -3.7 40.9 20.4 0.64| 6.5 4.1 2500 277 13 153 9| 4.1 2.0 6.0| 55.0 -3.7 51.3 20.5 0.66| 6.2 4.1 3000 278 16 170 8| 3.4 2.2 5.6| 61.6 -6.0 55.7 18.6 0.63| 5.8 3.7 4000 276 20 199 8| 2.5 2.0 4.5| 61.6 -19.5 42.1 10.5 0.47| 5.0 2.4 5000 273 23 214 10| 2.0 1.9 4.0| 61.6 -36.8 24.8 5.0 0.34| 4.5 1.5 6000 269 27 222 14| 1.7 3.2 4.9|122.4 -40.8 81.6 13.6 0.34| 5.4 1.9 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20251207.12.gif