UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for X1977... Searching the city database file for: X1977 ... Date:0000Z 8 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 1009 87 -4.7 -9.1 71 4.4 -6.0 20 3 267.8 268.1 266.7 272.9 1.90 1 1004 126 -4.5 -9.4 69 4.9 -6.0 17 4 268.3 268.6 267.0 273.4 1.86 2 1000 157 -4.7 -9.5 69 4.8 -6.1 15 5 268.5 268.8 267.0 273.5 1.86 3 982 300 -5.9 -10.3 71 4.4 -7.1 3 11 268.6 268.9 267.0 273.5 1.77 4 925 767 -7.9 -13.9 62 6.0 -9.4 325 31 271.2 271.5 268.1 275.2 1.41 5 850 1418 -13.1 -18.0 67 4.9 -14.2 335 29 272.4 272.6 268.4 275.5 1.09 6 814 1746 -15.7 -19.7 71 4.0 -16.5 332 28 273.1 273.2 268.6 275.9 0.98 7 720 2663 -20.7 -26.7 59 6.0 -21.6 322 26 277.3 277.4 270.6 279.1 0.60 8 710 2767 -20.3 -26.3 59 6.0 -21.2 321 25 278.9 279.0 271.6 280.8 0.63 9 700 2872 -21.3 -28.3 53 7.0 -22.3 320 25 278.9 279.0 271.4 280.5 0.53 10 500 5260 -39.1 -50.1 30 11.0 -39.5 295 29 285.4 285.4 274.3 285.6 0.08 11 460 5825 -43.3 -54.3 29 11.0 -43.6 288 37 287.0 287.0 275.2 287.2 0.05 12 400 6760 -45.7 -57.7 25 12.0 -46.0 275 50 295.6 295.6 279.4 295.7 0.04 13 395 6844 -46.5 -58.5 24 12.0 -46.8 275 52 295.6 295.6 279.4 295.7 0.04 14 377 7153 -46.5 -58.5 24 12.0 -46.8 273 55 299.6 299.6 281.2 299.7 0.04 15 343 7784 -44.3 -58.3 20 14.0 -44.7 270 60 310.8 310.8 285.7 310.9 0.04 16 300 8680 -45.1 -59.1 19 14.0 -45.6 265 68 321.8 321.8 289.3 322.0 0.04 17 282 9093 -46.3 -61.3 17 15.0 -46.7 263 69 325.8 325.8 290.6 326.0 0.04 18 277 9212 -45.7 -61.7 15 16.0 -46.2 263 69 328.3 328.4 291.3 328.5 0.03 19 259 9662 -43.9 -59.9 15 16.0 -44.5 261 70 337.4 337.4 293.7 337.6 0.05 20 250 9900 -44.5 -61.5 13 17.0 -45.1 260 71 339.9 339.9 294.3 340.1 0.04 21 203 11282 -47.9 -66.8 10 18.9 -48.5 260 81 355.3 355.4 297.8 355.4 0.02 22 201 11347 -48.1 -67.1 9 19.0 -48.6 260 80 356.1 356.1 298.0 356.2 0.02 23 200 11380 -47.9 -66.9 9 19.0 -48.4 260 79 356.9 356.9 298.1 357.0 0.02 24 165 12662 -43.9 -64.9 8 21.0 -44.9 257 72 383.8 383.8 302.9 384.0 0.04 25 150 13300 -45.5 -67.5 7 22.0 -46.4 255 68 391.7 391.7 304.0 391.8 0.03 26 132 14144 -48.9 -69.9 7 21.0 -49.7 257 66 400.2 400.2 305.2 400.3 0.02 27 118 14880 -47.7 -69.7 6 22.0 -48.7 258 64 415.4 415.4 307.2 415.6 0.03 28 100 15960 -52.1 -74.1 5 22.0 -52.8 260 62 427.1 427.1 308.5 427.1 0.02 29 97 16157 -53.9 -74.9 6 21.0 -54.5 258 62 427.3 427.3 308.6 427.4 0.02 30 87 16861 -51.7 -73.7 5 22.0 -52.5 252 62 445.2 445.2 310.4 445.3 0.02 31 80 17404 -53.7 -75.7 5 22.0 -54.4 247 62 451.9 451.9 311.0 452.0 0.02 32 76 17739 -47.5 -70.5 5 23.0 -49.0 245 62 471.5 471.6 312.8 471.8 0.04 33 70 18280 -50.5 -73.5 5 23.0 -51.7 240 62 476.3 476.4 313.2 476.5 0.03 34 61 19173 -52.3 -74.3 5 22.0 -53.4 242 64 491.5 491.5 314.4 491.6 0.03 35 50 20430 -62.1 -83.1 4 21.0 -62.6 245 68 497.1 497.1 314.8 497.2 0.01 36 49 20555 -62.1 -83.1 4 21.0 -62.6 244 67 500.0 500.0 314.9 500.1 0.01 37 36 22504 -52.1 -75.1 5 23.0 -53.8 235 45 572.0 572.0 319.3 572.3 0.04 38 30 23670 -57.1 -79.1 5 22.0 -58.3 230 33 589.0 589.0 320.1 589.2 0.03 39 29 23884 -57.3 -79.3 5 22.0 -58.5 222 32 594.2 594.2 320.3 594.3 0.03 40 29 23884 -56.1 -78.1 5 22.0 -57.5 222 32 597.5 597.5 320.5 597.7 0.03 41 28 24110 -49.1 -73.1 4 24.0 -52.0 214 31 623.0 623.0 321.6 623.5 0.07 42 24 25130 -44.5 -69.5 5 25.0 -49.0 178 26 664.4 664.5 323.3 665.5 0.14 43 20 26330 -51.5 -75.5 4 24.0 -54.5 135 21 678.5 678.6 323.7 679.1 0.07 44 18 27013 -53.3 -77.3 4 24.0 -56.0 135 20 693.6 693.6 324.3 694.1 0.06 45 16 27785 -46.9 -72.9 4 26.0 -51.9 135 19 738.3 738.3 325.6 739.4 0.13 46 15 28209 -51.1 -75.1 4 24.0 -54.8 135 19 738.1 738.1 325.6 738.9 0.10 47 11 30232 -50.7 -74.7 4 24.0 -55.4 135 16 808.0 808.0 327.5 809.3 0.14 48 10 30860 -46.7 -72.7 4 26.0 -53.4 135 15 845.2 845.3 328.3 847.4 0.21 49 9.2 31414 -46.1 -72.1 4 26.0 -53.3 867.9 868.0 328.8 870.6 0.25 50 8.2 32188 -40.9 -67.9 4 27.0 -51.1 917.5 917.8 329.8 923.3 0.50 TRP 395 6844 -46.5 -58.5 24 12.0 -46.8 275 52 295.6 295.6 279.4 295.7 0.04 WND 203 11282 -47.9 -66.8 10 18.9 -48.5 260 81 355.3 355.4 297.8 355.4 0.02 Sounding variables and indices 1000-500 mb thick: 5103.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 54.02 % Est. max temperature: -0.17 C = 31.69 F Sfc-Lift cond lev (LCL): 941.15 mb = 631.80 m = 2072.80 ft T: -7.32 C 700-500 lapse rate: 7.45 C/km ThetaE index: 0.26 C Layer 700.0- 500.0 mb Conv cond level (CCL): 847.19 mb = 1443.14 m = 4734.67 ft Mean mixing ratio: 1.62 g/kg Conv temperature: 0.02 C = 32.04 F Cap Strength: 5.87 C Lifted Index: 9.34 C Risk: None Lifted Index @300 mb: 33.69 C Lifted Index @700 mb: 5.75 C Showalter Index: 8.34 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 21.10 C K Index: 1.00 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 2.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.51 J/kg Max Up Vert Vel: 4.58 m/s Conv Inhibition (B-): 73785.85 J/kg Cap Strength: 9.29 C Lift Cond Lev (LCL): 882.92 mb = 1125.45 m = 3692.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 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 1009 87 20 3 -1.0 -2.8 | 157 18 -7.1 16.7 1 1000 157 15 5 -1.3 -4.8 | 153 16 -7.4 14.7 2 925 767 325 31 17.8 -25.4 | 297 13 11.7 -5.8 3 850 1418 335 29 12.3 -26.3 | 318 9 6.1 -6.7 4 700 2872 320 25 16.1 -19.2 | 268 10 10.0 0.4 5 500 5260 295 29 26.3 -12.3 | 250 21 20.2 7.3 6 400 6760 275 50 49.8 -4.4 | 251 46 43.7 15.2 7 395 6844 275 52 51.8 -4.5 | 252 48 45.7 15.0 8 300 8680 265 68 67.7 5.9 | 248 67 61.6 25.5 9 250 9900 260 71 69.9 12.3 | 243 71 63.8 31.9 10 203 11282 260 81 79.8 14.1 | 245 81 73.7 33.6 11 200 11380 260 79 77.8 13.7 | 245 79 71.7 33.3 12 150 13300 255 68 65.7 17.6 | 238 70 59.6 37.2 13 100 15960 260 62 61.1 10.8 | 241 63 54.9 30.3 14 70 18280 240 62 53.7 31.0 | 223 69 47.6 50.6 15 50 20430 245 68 61.6 28.7 | 229 74 55.5 48.3 16 30 23670 230 33 25.3 21.2 | 205 45 19.2 40.8 17 20 26330 135 21 -14.8 14.8 | 149 40 -21.0 34.4 18 10 30860 135 15 -10.6 10.6 | 151 34 -16.7 30.2 Wind Parameters Mean winds (0-6000m): 312.6 at 27.3 knts Storm direction: 342.6 at 20.5 knts Shear (0-3000m) pos: 0.4 neg: 4.5 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 109.0 deg Storm rel helicity (0-3000m) pos: 10.7 neg: -45.2 tot: -34.6 m^2/s^2 ave: -11.5 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 8.4 stream: -3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 44.36 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 ------------------------------------------------------------------------------- 500 347 13 155 8| 0.0 21.7 21.7| 0.0 -20.2 -20.2 -40.4 -0.57| 25.2-14.4 1000 330 21 253 5| 0.0 14.5 14.5| 5.6 -25.5 -19.8 -19.8 -0.40| 19.3 -7.8 1500 331 24 284 6| 0.8 9.7 10.4| 10.7 -27.3 -16.7 -11.1 -0.34| 14.0 -4.8 2000 331 25 290 6| 0.6 7.0 7.6| 10.7 -34.1 -23.4 -11.7 -0.39| 11.3 -4.3 2500 330 25 289 7| 0.5 5.4 5.9| 10.7 -40.6 -30.0 -12.0 -0.42| 9.6 -4.0 3000 329 25 285 7| 0.4 4.5 4.9| 10.7 -45.2 -34.6 -11.5 -0.43| 8.4 -3.7 4000 324 25 277 9| 0.3 3.7 4.0| 10.7 -51.5 -40.8 -10.2 -0.43| 7.0 -3.0 5000 319 26 270 11| 0.2 3.2 3.4| 10.7 -62.2 -51.6 -10.3 -0.43| 6.1 -2.6 6000 313 27 266 14| 0.2 3.7 3.9| 20.3 -64.7 -44.5 -7.4 -0.33| 6.3 -2.1 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20251208.00.gif