UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for X1977... Searching the city database file for: X1977 ... Date:0000Z 28 APR 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 ------------------------------------------------------------------------------- 0 1000 76 340 3 SFC 998 93 9.4 3.4 66 6.0 6.5 340 3 282.7 283.6 279.7 296.3 4.89 2 925 716 4.6 -2.4 60 7.0 1.6 25 11 284.0 284.6 278.6 293.9 3.46 3 917 787 3.8 -2.2 65 6.0 1.3 25 11 283.9 284.5 278.6 294.0 3.54 4 877 1148 2.8 -6.2 52 9.0 -0.7 25 10 286.5 287.0 278.8 294.5 2.74 5 850 1400 0.4 -10.6 43 11.0 -3.4 25 9 286.6 286.9 277.9 292.5 2.00 6 809 1793 -3.3 -13.3 46 10.0 -6.4 12 10 286.7 287.0 277.5 291.7 1.69 7 700 2922 -10.5 -22.5 37 12.0 -13.2 335 11 290.9 291.0 278.4 293.7 0.90 8 674 3212 -12.3 -27.3 27 15.0 -15.2 322 14 292.0 292.1 278.6 293.9 0.60 9 593 4174 -20.5 -33.5 30 13.0 -22.3 278 26 293.4 293.4 278.9 294.6 0.38 10 565 4531 -21.5 -33.5 33 12.0 -23.2 262 31 296.3 296.4 280.3 297.6 0.40 11 500 5420 -28.1 -44.1 20 16.0 -29.5 220 42 298.8 298.8 281.0 299.3 0.15 12 472 5830 -30.7 -48.7 15 18.0 -31.9 215 45 300.5 300.5 281.7 300.9 0.10 13 400 6980 -39.7 -48.7 38 9.0 -40.2 200 52 303.4 303.4 282.9 303.8 0.11 14 352 7840 -47.1 -55.1 40 8.0 -47.3 213 48 304.7 304.7 283.4 304.9 0.06 15 329 8285 -50.1 -58.1 38 8.0 -50.3 220 46 306.5 306.5 284.1 306.7 0.05 16 309 8695 -49.5 -58.5 34 9.0 -49.7 227 43 312.9 312.9 286.4 313.1 0.05 17 300 8890 -46.9 -55.9 35 9.0 -47.2 230 42 319.3 319.3 288.6 319.5 0.07 18 293 9047 -46.1 -55.1 35 9.0 -46.4 230 42 322.6 322.6 289.6 322.8 0.07 19 250 10100 -48.7 -61.7 21 13.0 -49.1 230 40 333.7 333.7 292.7 333.8 0.04 20 231 10615 -49.5 -64.5 16 15.0 -49.9 239 43 340.1 340.1 294.4 340.2 0.03 21 220 10934 -47.5 -63.5 14 16.0 -48.0 244 45 347.9 347.9 296.2 348.1 0.03 22 200 11560 -48.1 -66.1 11 18.0 -48.6 255 48 356.6 356.6 298.0 356.7 0.03 23 194 11761 -48.3 -66.3 11 18.0 -48.8 254 46 359.4 359.4 298.6 359.5 0.03 24 184 12111 -45.1 -65.1 9 20.0 -45.9 254 41 370.1 370.1 300.6 370.2 0.03 25 150 13460 -50.3 -71.3 7 21.0 -50.9 250 25 383.4 383.4 302.8 383.5 0.02 26 126 14591 -54.9 -75.9 6 21.0 -55.3 252 28 394.7 394.7 304.5 394.7 0.01 27 122 14800 -51.5 -73.5 6 22.0 -52.1 253 29 404.5 404.6 305.8 404.6 0.02 28 111 15410 -55.3 -77.3 5 22.0 -55.8 254 31 408.5 408.5 306.3 408.5 0.01 29 100 16080 -53.9 -75.9 5 22.0 -54.5 255 33 423.6 423.6 308.2 423.6 0.01 30 95 16410 -52.5 -74.5 5 22.0 -53.2 258 32 432.6 432.6 309.1 432.7 0.02 31 82 17350 -57.1 -79.1 5 22.0 -57.6 266 27 441.8 441.8 310.1 441.8 0.01 32 79 17587 -53.9 -76.9 4 23.0 -54.6 268 26 453.1 453.1 311.1 453.2 0.01 33 70 18360 -55.3 -78.3 4 23.0 -56.0 275 23 466.1 466.1 312.3 466.1 0.01 34 68 18545 -52.5 -75.5 5 23.0 -53.5 274 21 476.0 476.0 313.1 476.1 0.02 35 50 20510 -55.3 -79.3 4 24.0 -56.3 265 5 513.2 513.2 315.9 513.3 0.01 36 44 21324 -56.9 -79.9 4 23.0 -57.8 262 7 528.4 528.4 316.8 528.5 0.02 37 40 21934 -53.1 -77.1 4 24.0 -54.6 261 8 552.5 552.5 318.2 552.7 0.03 38 30 23790 -53.1 -77.1 4 24.0 -54.9 255 13 599.9 599.9 320.6 600.1 0.04 39 21 26085 -53.9 -77.9 4 24.0 -56.2 202 6 661.9 661.9 323.2 662.2 0.04 40 20 26400 -52.1 -76.1 4 24.0 -54.9 195 5 676.7 676.7 323.7 677.2 0.06 41 18 27088 -48.1 -73.1 4 25.0 -52.3 710.0 710.1 324.8 711.0 0.11 42 12 29768 -46.9 -72.9 4 26.0 -52.8 801.6 801.7 327.3 803.2 0.17 TRP 329 8285 -50.1 -58.1 38 8.0 -50.3 220 46 306.5 306.5 284.1 306.7 0.05 WND Sounding variables and indices 1000-500 mb thick: 5344.00 m Freezing level: 845.57 mb = 1442.53 m = 4732.66 ft Wetbulb zero: 891.90 mb = 1011.60 m = 3318.86 ft Precipitable water: 0.34 inches Sfc-500 mean rel hum: 39.49 % Est. max temperature: 13.26 C = 55.87 F Sfc-Lift cond lev (LCL): 910.80 mb = 841.60 m = 2761.14 ft T: 3.65 C 700-500 lapse rate: 7.05 C/km ThetaE index: 2.71 C Layer 850.0- 700.0 mb Conv cond level (CCL): 820.53 mb = 1680.79 m = 5514.35 ft Mean mixing ratio: 3.96 g/kg Conv temperature: 13.36 C = 56.06 F Cap Strength: 3.62 C Lifted Index: 4.58 C Risk: None Lifted Index @300 mb: 17.42 C Lifted Index @700 mb: 2.02 C Showalter Index: 6.27 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 17.50 C K Index: 5.90 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.11 J/kg Max Up Vert Vel: 3.50 m/s Conv Inhibition (B-): 56296.78 J/kg Cap Strength: 4.44 C Lift Cond Lev (LCL): 858.29 mb = 1321.82 m = 4336.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 16 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 ---------------------------------------------------------- 0 998 93 340 3 1.0 -2.8 | 80 15 -14.5 -2.5 1 925 716 25 11 -4.6 -10.0 | 65 22 -20.2 -9.6 2 850 1400 25 9 -3.8 -8.2 | 68 21 -19.4 -7.8 3 700 2922 335 11 4.6 -10.0 | 49 15 -10.9 -9.6 4 500 5420 220 42 27.0 32.2 | 199 34 11.4 32.5 5 400 6980 200 52 17.8 48.9 | 183 49 2.2 49.2 6 329 8285 220 46 29.6 35.2 | 201 38 14.0 35.6 7 300 8890 230 42 32.2 27.0 | 211 32 16.6 27.3 8 250 10100 230 40 30.6 25.7 | 210 30 15.1 26.1 9 200 11560 255 48 46.4 12.4 | 247 33 30.8 12.8 10 150 13460 250 25 23.5 8.6 | 222 12 7.9 8.9 11 100 16080 255 33 31.9 8.5 | 241 19 16.3 8.9 12 70 18360 275 23 22.9 -2.0 | 283 8 7.3 -1.7 13 50 20510 265 5 5.0 0.4 | 94 11 -10.6 0.8 14 30 23790 255 13 12.6 3.4 | 141 5 -3.0 3.7 15 20 26400 195 5 1.3 4.8 | 110 15 -14.3 5.2 Wind Parameters Mean winds (0-6000m): 241.3 at 20.8 knts Storm direction: 271.3 at 15.6 knts Shear (0-3000m) pos: 1.4 neg: 2.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): -42.0 deg Storm rel helicity (0-3000m) pos: 7.7 neg: -58.3 tot: -50.5 m^2/s^2 ave: -16.8 10^-3 m/s^2 rel: -0.51 Storm rel vorticity (0-3000m) horiz: 4.0 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 84.86 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 14 6 72 18| 7.4 0.0 7.4| 0.0 -19.1 -19.1 -38.2 -0.59| 7.8 -4.6 1000 20 8 68 20| 4.1 0.0 4.1| 4.4 -19.1 -14.7 -14.7 -0.35| 5.4 -1.9 1500 22 9 68 20| 2.8 0.4 3.2| 7.7 -23.9 -16.2 -10.8 -0.32| 4.3 -1.4 2000 18 9 66 20| 2.1 1.0 3.1| 7.7 -35.3 -27.6 -13.8 -0.41| 3.9 -1.6 2500 13 9 64 20| 1.7 1.4 3.1| 7.7 -44.4 -36.7 -14.7 -0.45| 3.8 -1.7 3000 5 9 61 19| 1.4 2.0 3.4| 7.7 -58.3 -50.5 -16.8 -0.51| 4.0 -2.0 4000 337 12 46 15| 1.0 3.8 4.8| 7.7-113.4-105.7 -26.4 -0.72| 5.5 -4.0 5000 286 16 1 4| 0.8 4.8 5.6| 7.7-219.7-211.9 -42.4 -0.76| 7.3 -5.6 6000 241 21 194 11| 0.7 4.8 5.5| 7.7-335.8-328.1 -54.7 -0.74| 7.8 -5.8 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20250428.00.gif