UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for X1977... Searching the city database file for: X1977 ... Date:0000Z 26 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 ------------------------------------------------------------------------------- SFC 1000 90 9.0 -2.0 46 11.0 4.2 270 7 282.1 282.7 277.4 291.5 3.30 1 977 281 6.2 -5.8 42 12.0 1.5 280 10 281.2 281.6 275.9 288.4 2.53 2 925 727 3.0 -7.0 48 10.0 -0.7 305 17 282.4 282.8 276.3 289.4 2.44 3 850 1405 -2.1 -9.1 59 7.0 -4.5 315 27 283.9 284.3 276.9 290.5 2.25 4 754 2343 -9.9 -14.5 69 4.6 -11.2 312 25 285.4 285.7 276.8 290.3 1.65 5 752 2363 -10.1 -14.6 70 4.5 -11.3 312 24 285.4 285.7 276.7 290.2 1.64 6 700 2912 -13.3 -19.3 61 6.0 -14.7 310 23 287.8 288.0 277.3 291.4 1.18 7 673 3210 -15.1 -22.1 55 7.0 -16.6 310 25 289.0 289.2 277.6 292.0 0.97 8 648 3496 -16.1 -28.1 35 12.0 -18.2 310 28 291.0 291.1 278.1 292.9 0.58 9 624 3779 -18.5 -35.5 21 17.0 -20.8 310 30 291.4 291.5 277.9 292.4 0.30 10 563 4536 -25.1 -36.1 35 11.0 -26.3 310 37 292.3 292.4 278.3 293.4 0.31 11 500 5390 -29.7 -37.7 46 8.0 -30.5 310 44 296.8 296.9 280.4 297.8 0.30 12 498 5419 -29.9 -37.9 46 8.0 -30.7 310 44 296.9 297.0 280.4 297.9 0.29 13 424 6543 -39.5 -46.5 47 7.0 -39.9 321 50 298.6 298.7 281.0 299.1 0.14 14 400 6940 -42.3 -49.3 46 7.0 -42.6 325 52 300.0 300.0 281.5 300.4 0.11 15 356 7715 -49.1 -56.1 44 7.0 -49.3 330 50 301.0 301.1 281.8 301.2 0.05 16 342 7978 -49.1 -56.1 44 7.0 -49.3 328 47 304.5 304.5 283.3 304.7 0.06 17 317 8481 -44.3 -52.3 41 8.0 -44.6 323 41 317.9 317.9 288.2 318.2 0.10 18 300 8850 -44.5 -54.5 32 10.0 -44.9 320 36 322.6 322.7 289.6 322.9 0.08 19 250 10070 -43.5 -58.5 18 15.0 -44.2 315 40 341.4 341.4 294.7 341.6 0.06 20 205 11404 -43.1 -64.1 8 21.0 -44.0 302 44 362.0 362.0 299.1 362.1 0.03 21 200 11570 -43.3 -64.3 8 21.0 -44.2 300 44 364.2 364.2 299.5 364.4 0.03 22 190 11914 -43.1 -65.1 7 22.0 -44.1 296 44 369.9 369.9 300.6 370.1 0.03 23 150 13490 -45.9 -69.9 5 24.0 -46.9 280 44 391.0 391.0 303.9 391.1 0.02 24 121 14898 -52.5 -76.5 4 24.0 -53.1 277 42 403.7 403.7 305.7 403.7 0.01 25 100 16130 -52.1 -76.1 4 24.0 -52.8 275 40 427.1 427.1 308.5 427.1 0.01 26 90 16814 -51.1 -75.1 4 24.0 -52.0 269 33 442.1 442.1 310.1 442.2 0.02 27 86 17108 -53.3 -77.3 4 24.0 -54.0 267 30 443.5 443.5 310.2 443.5 0.01 28 82 17417 -50.3 -75.3 4 25.0 -51.4 264 27 455.7 455.7 311.4 455.8 0.02 29 70 18440 -54.9 -78.9 4 24.0 -55.6 255 17 466.9 466.9 312.4 467.0 0.01 30 67 18718 -57.3 -80.3 4 23.0 -57.9 257 16 467.6 467.6 312.4 467.7 0.01 31 64 19007 -57.3 -80.3 4 23.0 -57.9 260 16 473.8 473.8 313.0 473.8 0.01 32 61 19313 -53.1 -77.1 4 24.0 -54.1 262 15 489.7 489.7 314.2 489.8 0.02 33 54 20086 -59.7 -82.7 3 23.0 -60.2 269 13 491.8 491.9 314.4 491.9 0.01 34 50 20570 -57.1 -80.1 4 23.0 -57.9 273 12 508.9 508.9 315.6 509.0 0.01 35 33 23219 -52.9 -76.9 4 24.0 -54.6 295 6 584.3 584.3 319.9 584.5 0.03 36 30 23830 -55.1 -79.1 4 24.0 -56.6 300 5 594.4 594.4 320.3 594.6 0.03 37 24 25252 -56.7 -79.7 4 23.0 -58.3 248 12 629.0 629.0 321.9 629.2 0.03 38 20 26420 -52.5 -76.5 4 24.0 -55.2 205 17 675.5 675.5 323.6 676.0 0.06 39 15 28283 -49.9 -74.9 4 25.0 -54.1 205 13 742.0 742.1 325.7 742.9 0.10 40 10 30940 -47.9 -72.9 4 25.0 -54.0 205 7 840.7 840.8 328.2 842.8 0.20 41 9.4 31352 -44.3 -70.3 4 26.0 -52.2 869.4 869.6 328.9 872.8 0.31 42 8.7 31870 -44.5 -70.5 4 26.0 -52.7 888.1 888.3 329.2 891.7 0.33 TRP 356 7715 -49.1 -56.1 44 7.0 -49.3 330 50 301.0 301.1 281.8 301.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5300.45 m Freezing level: 880.88 mb = 1125.82 m = 3693.60 ft Wetbulb zero: 941.88 mb = 579.58 m = 1901.49 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 47.88 % Est. max temperature: 10.80 C = 51.43 F Sfc-Lift cond lev (LCL): 844.94 mb = 1451.74 m = 4762.87 ft T: -2.49 C 700-500 lapse rate: 6.62 C/km ThetaE index: 3.03 C Layer 977.0- 925.0 mb Conv cond level (CCL): 766.66 mb = 2212.53 m = 7258.86 ft Mean mixing ratio: 2.56 g/kg Conv temperature: 12.06 C = 53.70 F Cap Strength: 4.56 C Lifted Index: 7.05 C Risk: None Lifted Index @300 mb: 23.68 C Lifted Index @700 mb: 2.79 C Showalter Index: 6.14 C Risk: None Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 20.60 C K Index: 12.50 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 1.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.10 J/kg Max Up Vert Vel: 3.19 m/s Conv Inhibition (B-): 65506.58 J/kg Cap Strength: 6.86 C Lift Cond Lev (LCL): 803.98 mb = 1840.58 m = 6038.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 at 22 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 1000 90 270 7 7.0 -0.0 | 179 21 -0.3 20.9 1 1000 90 270 7 7.0 -0.0 | 179 21 -0.3 20.9 2 925 727 305 17 13.9 -9.8 | 211 13 6.6 11.1 3 850 1405 315 27 19.1 -19.1 | 261 12 11.8 1.8 4 700 2912 310 23 17.6 -14.8 | 239 12 10.3 6.1 5 500 5390 310 44 33.7 -28.3 | 286 27 26.4 -7.4 6 400 6940 325 52 29.8 -42.6 | 314 31 22.5 -21.7 7 356 7715 330 50 25.0 -43.3 | 322 29 17.7 -22.4 8 300 8850 320 36 23.1 -27.6 | 293 17 15.8 -6.7 9 250 10070 315 40 28.3 -28.3 | 289 22 21.0 -7.4 10 200 11570 300 44 38.1 -22.0 | 272 31 30.8 -1.1 11 150 13490 280 44 43.3 -7.6 | 250 38 36.0 13.3 12 100 16130 275 40 39.8 -3.5 | 242 37 32.5 17.4 13 70 18440 255 17 16.4 4.4 | 200 27 9.1 25.3 14 30 23830 300 5 4.3 -2.5 | 171 19 -3.0 18.4 15 20 26420 205 17 7.2 15.4 | 180 36 -0.1 36.3 16 10 30940 205 7 3.0 6.3 | 171 28 -4.3 27.2 Wind Parameters Mean winds (0-6000m): 310.7 at 29.5 knts Storm direction: 340.7 at 22.1 knts Shear (0-3000m) pos: 3.8 neg: 0.5 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 66.7 deg Storm rel helicity (0-3000m) pos: 80.7 neg: -13.3 tot: 67.5 m^2/s^2 ave: 22.5 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 51.98 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 ------------------------------------------------------------------------------- 500 289 11 190 18| 9.5 0.0 9.5| 36.5 0.0 36.5 73.1 0.79| 9.7 7.7 1000 301 15 202 14| 9.1 0.0 9.1| 61.7 0.0 61.7 61.7 0.83| 9.3 7.7 1500 307 18 217 12| 7.6 0.0 7.6| 76.5 -1.0 75.5 50.3 0.84| 8.0 6.7 2000 309 20 226 12| 5.7 0.4 6.1| 76.5 -5.8 70.7 35.3 0.72| 6.4 4.6 2500 310 21 231 11| 4.5 0.6 5.2| 76.5 -10.5 66.0 26.4 0.63| 5.4 3.4 3000 310 22 233 12| 3.8 0.5 4.3| 80.7 -13.3 67.5 22.5 0.59| 4.9 2.9 4000 310 23 241 12| 2.8 0.9 3.7|106.1 -13.3 92.8 23.2 0.63| 4.8 3.0 5000 310 26 253 13| 2.3 1.6 3.8|131.5 -13.3 118.2 23.6 0.61| 4.7 2.9 6000 311 30 264 15| 2.5 1.3 3.8|186.3 -13.3 173.0 28.8 0.65| 4.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20250426.00.gif