UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for X1977... Searching the city database file for: X1977 ... Date:0000Z 4 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 1010 89 -17.3 -25.3 50 8.0 -18.3 45 5 255.1 255.2 254.2 256.5 0.48 1 1008 104 -16.9 -24.9 50 8.0 -18.0 43 5 255.7 255.7 254.7 257.1 0.50 2 1000 164 -17.1 -25.1 50 8.0 -18.1 35 7 256.0 256.1 255.0 257.4 0.50 3 925 745 -19.3 -29.3 41 10.0 -20.4 330 33 259.6 259.6 257.6 260.6 0.37 4 851 1361 -22.3 -30.3 48 8.0 -23.2 340 25 262.7 262.8 260.0 263.7 0.36 5 850 1370 -22.3 -30.3 48 8.0 -23.2 340 25 262.8 262.8 260.1 263.8 0.36 6 827 1573 -19.7 -26.7 54 7.0 -20.7 334 26 267.6 267.7 264.0 269.1 0.52 7 819 1645 -16.9 -22.9 60 6.0 -17.9 331 27 271.3 271.4 267.0 273.5 0.74 8 805 1775 -16.3 -22.3 60 6.0 -17.4 327 27 273.3 273.4 268.4 275.6 0.79 9 797 1850 -16.3 -22.3 60 6.0 -17.4 325 28 274.1 274.2 268.9 276.4 0.80 10 761 2197 -16.9 -24.9 50 8.0 -18.3 314 30 277.1 277.2 270.6 279.1 0.67 11 743 2377 -15.9 -24.9 46 9.0 -17.5 309 31 280.1 280.2 272.4 282.1 0.68 12 711 2707 -18.7 -30.7 34 12.0 -20.4 299 32 280.5 280.6 272.2 281.8 0.42 13 700 2823 -19.7 -31.7 34 12.0 -21.3 295 33 280.7 280.7 272.2 281.9 0.38 14 678 3059 -21.5 -33.5 33 12.0 -22.9 295 33 281.2 281.3 272.5 282.3 0.33 15 564 4395 -29.9 -42.9 27 13.0 -30.9 292 36 286.5 286.6 275.1 287.1 0.15 16 500 5240 -37.5 -49.5 28 12.0 -38.0 290 38 287.3 287.3 275.4 287.6 0.08 17 498 5268 -37.7 -49.7 27 12.0 -38.2 290 38 287.4 287.4 275.5 287.7 0.08 18 400 6750 -44.9 -59.9 17 15.0 -45.3 295 46 296.6 296.6 279.9 296.7 0.03 19 379 7108 -46.1 -61.1 17 15.0 -46.4 294 45 299.7 299.7 281.2 299.8 0.03 20 344 7743 -51.1 -65.1 17 14.0 -51.3 292 44 301.3 301.3 281.9 301.4 0.02 21 300 8620 -56.1 -70.1 16 14.0 -56.2 290 42 306.3 306.3 283.9 306.3 0.01 22 297 8684 -56.3 -70.3 16 14.0 -56.4 290 42 306.9 306.9 284.1 306.9 0.01 23 270 9294 -55.7 -69.7 16 14.0 -55.9 284 52 316.2 316.2 287.5 316.3 0.01 24 250 9790 -53.1 -67.1 17 14.0 -53.4 280 60 327.1 327.1 290.9 327.2 0.02 25 200 11230 -49.9 -64.9 16 15.0 -50.3 280 68 353.8 353.8 297.5 353.9 0.03 26 185 11740 -49.1 -65.1 14 16.0 -49.6 280 74 363.0 363.0 299.3 363.2 0.03 27 177 12029 -49.3 -65.7 13 16.4 -49.8 280 77 367.3 367.3 300.1 367.4 0.03 28 150 13110 -50.1 -68.1 10 18.0 -50.7 270 75 383.7 383.7 302.9 383.9 0.03 29 115 14851 -49.5 -69.5 8 20.0 -50.3 273 68 415.2 415.2 307.2 415.3 0.03 30 100 15760 -53.1 -73.1 7 20.0 -53.7 275 64 425.1 425.1 308.3 425.2 0.02 31 95 16089 -54.7 -74.7 7 20.0 -55.2 273 63 428.3 428.3 308.7 428.4 0.02 32 81 17117 -50.3 -71.3 7 21.0 -51.3 266 59 457.3 457.3 311.5 457.5 0.03 33 70 18060 -54.3 -74.3 7 20.0 -55.1 260 56 468.2 468.2 312.5 468.4 0.02 34 67 18339 -55.1 -76.1 6 21.0 -55.8 261 55 472.4 472.4 312.8 472.5 0.02 35 64 18630 -55.7 -76.7 6 21.0 -56.4 263 53 477.3 477.3 313.2 477.4 0.02 36 59 19150 -53.1 -74.1 6 21.0 -54.1 265 51 494.4 494.4 314.5 494.5 0.03 37 50 20210 -54.5 -76.5 5 22.0 -55.5 270 46 515.0 515.1 316.0 515.2 0.02 38 40 21634 -57.3 -78.3 5 21.0 -58.2 257 47 542.0 542.0 317.6 542.1 0.02 39 34 22669 -54.9 -76.9 5 22.0 -56.3 247 48 574.1 574.1 319.4 574.3 0.03 40 30 23480 -49.7 -72.7 5 23.0 -52.2 240 48 609.1 609.2 321.0 609.7 0.07 41 27 24167 -51.1 -74.1 5 23.0 -53.5 236 52 623.9 623.9 321.7 624.3 0.06 42 25 24674 -45.7 -69.7 5 24.0 -49.7 233 55 653.2 653.3 322.9 654.3 0.13 43 20 26150 -48.7 -72.7 5 24.0 -52.4 225 64 687.1 687.2 324.0 688.0 0.10 44 18 26840 -50.3 -74.3 4 24.0 -53.8 703.1 703.1 324.6 703.9 0.09 45 16 27612 -48.5 -73.5 4 25.0 -52.9 733.0 733.1 325.5 734.1 0.11 46 15 28037 -48.1 -73.1 4 25.0 -52.8 748.0 748.1 325.9 749.2 0.13 47 14 28499 -40.9 -67.9 4 27.0 -48.8 787.3 787.5 327.0 790.2 0.29 48 12 29547 -41.1 -68.1 4 27.0 -49.6 822.1 822.3 327.8 825.5 0.33 TRP 297 8684 -56.3 -70.3 16 14.0 -56.4 290 42 306.9 306.9 284.1 306.9 0.01 WND 177 12029 -49.3 -65.7 13 16.4 -49.8 280 77 367.3 367.3 300.1 367.4 0.03 Sounding variables and indices 1000-500 mb thick: 5076.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 38.73 % Est. max temperature: -10.10 C = 13.82 F Sfc-Lift cond lev (LCL): 885.64 mb = 1066.45 m = 3498.80 ft T: -20.86 C 700-500 lapse rate: 7.36 C/km ThetaE index: 0.31 C Layer 711.0- 700.0 mb Conv cond level (CCL): 533.50 mb = 4784.86 m = 15698.18 ft Mean mixing ratio: 0.43 g/kg Conv temperature: 14.60 C = 58.29 F Cap Strength: 23.40 C Lifted Index: 23.18 C Risk: None Lifted Index @300 mb: 33.41 C Lifted Index @700 mb: 19.89 C Showalter Index: 19.37 C Risk: None Total Totals Index: 22.40 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 7.20 C K Index: -27.10 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 5.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.50 J/kg Max Up Vert Vel: 4.36 m/s Conv Inhibition (B-): 71260.62 J/kg Cap Strength: 23.37 C Lift Cond Lev (LCL): 827.47 mb = 1568.38 m = 5145.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 333 at 24 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 1010 89 45 5 -3.5 -3.5 | 141 23 -14.5 18.0 1 1000 164 35 7 -4.0 -5.7 | 137 22 -14.9 15.8 2 925 745 330 33 16.5 -28.6 | 322 9 5.6 -7.1 3 850 1370 340 25 8.6 -23.5 | 50 3 -2.4 -2.0 4 700 2823 295 33 29.9 -13.9 | 248 20 19.0 7.6 5 500 5240 290 38 35.7 -13.0 | 251 26 24.8 8.5 6 400 6750 295 46 41.7 -19.4 | 266 31 30.8 2.1 7 300 8620 290 42 39.5 -14.4 | 256 29 28.5 7.1 8 297 8684 290 42 39.5 -14.4 | 256 29 28.5 7.1 9 250 9790 280 60 59.1 -10.4 | 257 49 48.2 11.1 10 200 11230 280 68 67.0 -11.8 | 260 57 56.0 9.7 11 177 12029 280 77 75.8 -13.4 | 263 65 64.9 8.1 12 150 13110 270 75 75.0 -0.0 | 251 68 64.1 21.5 13 100 15760 275 64 63.8 -5.6 | 253 55 52.8 15.9 14 70 18060 260 56 55.1 9.7 | 235 54 44.2 31.2 15 50 20210 270 46 46.0 -0.0 | 238 41 35.1 21.5 16 30 23480 240 48 41.6 24.0 | 214 55 30.6 45.5 17 20 26150 225 64 45.3 45.3 | 207 75 34.3 66.8 Wind Parameters Mean winds (0-6000m): 303.1 at 32.2 knts Storm direction: 333.1 at 24.1 knts Shear (0-3000m) pos: 0.0 neg: 6.1 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 107.6 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -119.8 tot: -111.5 m^2/s^2 ave: -37.2 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 12.1 stream: -6.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 95.92 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 ------------------------------------------------------------------------------- 500 359 15 121 13| 0.0 24.4 24.4| 0.0 -77.3 -77.3 -154.5 -0.77| 26.9-20.8 1000 337 23 105 2| 0.0 14.0 14.0| 4.4 -93.5 -89.2 -89.2 -0.67| 21.6-14.5 1500 337 24 73 2| 0.0 8.6 8.6| 7.6 -95.1 -87.5 -58.3 -0.56| 16.8 -9.4 2000 334 25 355 1| 0.0 7.5 7.5| 7.6-100.2 -92.6 -46.3 -0.56| 14.6 -8.2 2500 328 26 276 3| 0.0 6.8 6.8| 7.6-111.2-103.6 -41.4 -0.54| 13.5 -7.2 3000 321 27 265 6| 0.0 6.1 6.1| 8.3-119.8-111.5 -37.2 -0.52| 12.1 -6.3 4000 312 29 259 11| 0.0 4.9 4.9| 11.4-119.8-108.4 -27.1 -0.50| 9.4 -4.7 5000 307 31 256 14| 0.0 4.1 4.1| 13.7-119.8-106.1 -21.2 -0.48| 7.8 -3.7 6000 303 32 256 17| 0.4 3.4 3.9| 44.6-119.8 -75.2 -12.5 -0.39| 6.9 -2.7 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20251204.00.gif