UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102200.upa.cvt Date: 0000Z 22 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 22 OCT 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 224 SFC 934 737 -19.3 -22.9 73 3.6 -19.8 70 1 258.9 259.0 257.6 260.6 0.65 2 925 810 -17.1 -21.7 67 4.6 -17.9 45 3 261.8 261.9 260.1 263.8 0.73 3 902 1000 -14.1 -18.0 72 3.9 -14.9 24 5 266.8 267.0 264.4 269.7 1.03 4 850 1448 -15.5 -19.3 73 3.8 -16.2 335 11 269.9 270.1 266.5 272.7 0.98 5 812 1790 -16.3 -20.3 71 4.0 -17.0 337 14 272.6 272.8 268.2 275.3 0.94 6 700 2879 -25.9 -29.9 69 4.0 -26.3 345 23 273.8 273.9 268.1 275.2 0.46 7 693 2952 -26.7 -30.5 70 3.8 -27.1 345 23 273.7 273.8 268.0 275.0 0.44 8 619 3765 -29.5 -33.4 69 3.9 -29.9 350 26 279.5 279.5 271.5 280.6 0.37 9 611 3858 -29.7 -33.6 69 3.9 -30.1 351 26 280.3 280.3 272.0 281.4 0.37 10 510 5141 -33.3 -42.3 40 9.0 -33.9 359 31 290.8 290.8 277.3 291.4 0.18 11 500 5280 -34.3 -44.3 36 10.0 -34.9 360 31 291.2 291.2 277.5 291.7 0.15 12 462 5829 -37.9 -49.9 27 12.0 -38.4 360 31 293.4 293.4 278.4 293.7 0.09 13 400 6810 -43.7 -53.7 32 10.0 -44.0 360 31 298.2 298.2 280.6 298.4 0.06 14 392 6945 -44.3 -54.3 32 10.0 -44.6 0 32 299.1 299.1 281.0 299.4 0.06 15 314 8391 -55.1 -64.1 32 9.0 -55.2 4 40 303.7 303.7 282.9 303.8 0.02 16 300 8680 -56.5 -64.5 36 8.0 -56.6 5 42 305.7 305.7 283.7 305.8 0.02 17 279 9144 -58.3 -66.3 35 8.0 -58.4 5 46 309.5 309.5 285.2 309.6 0.02 18 272 9305 -58.7 -66.7 35 8.0 -58.8 5 48 311.2 311.2 285.8 311.3 0.02 19 250 9840 -59.3 -67.3 35 8.0 -59.4 5 50 317.9 317.9 288.1 318.0 0.02 20 248 9891 -59.3 -67.3 35 8.0 -59.4 5 49 318.6 318.6 288.3 318.7 0.02 21 227 10450 -56.9 -64.9 36 8.0 -57.1 5 44 330.5 330.5 291.9 330.6 0.03 22 200 11260 -54.1 -64.1 28 10.0 -54.3 5 35 347.1 347.1 296.0 347.2 0.03 23 190 11588 -52.9 -63.9 25 11.0 -53.2 1 34 354.2 354.2 297.5 354.3 0.04 24 150 13100 -53.7 -67.7 16 14.0 -54.1 345 27 377.5 377.6 301.9 377.7 0.03 25 134 13829 -50.9 -67.9 12 17.0 -51.5 342 22 394.9 394.9 304.5 395.1 0.03 26 104 15468 -53.3 -73.3 7 20.0 -53.9 336 11 420.0 420.0 307.7 420.1 0.02 27 100 15720 -53.7 -73.7 7 20.0 -54.3 335 9 424.0 424.0 308.2 424.1 0.02 28 70 18000 -55.9 -77.9 5 22.0 -56.6 340 7 464.8 464.8 312.2 464.9 0.01 29 50 20150 -54.3 -78.3 4 24.0 -55.4 210 5 515.5 515.5 316.0 515.6 0.02 30 43 21111 -55.1 -79.1 4 24.0 -56.2 214 9 536.3 536.3 317.3 536.4 0.02 31 33 22812 -51.1 -76.1 4 25.0 -53.2 222 15 589.1 589.1 320.1 589.3 0.04 32 30 23430 -50.9 -75.9 4 25.0 -53.2 225 17 605.9 605.9 320.9 606.2 0.04 33 26 24358 -52.3 -77.3 3 25.0 -54.6 221 24 627.2 627.2 321.8 627.5 0.04 34 23 25157 -48.5 -73.5 4 25.0 -52.0 218 31 660.8 660.8 323.1 661.4 0.08 35 20 26080 -46.7 -72.7 4 26.0 -51.1 215 38 693.2 693.3 324.3 694.1 0.10 36 17 27156 -46.9 -72.9 4 26.0 -51.7 219 44 725.6 725.6 325.3 726.6 0.12 37 16 27562 -42.5 -69.5 4 27.0 -49.2 220 46 752.6 752.7 326.1 754.5 0.21 38 14 28464 -42.1 -69.1 4 27.0 -49.5 223 50 783.3 783.4 326.9 785.7 0.25 39 12 29496 -46.5 -72.5 4 26.0 -52.6 226 56 803.0 803.1 327.4 804.7 0.18 40 10 30710 -45.0 -71.4 4 26.4 -52.4 230 62 851.7 851.8 328.5 854.3 0.25 41 7.8 32378 -42.9 -69.9 4 27.0 -52.3 922.7 922.9 329.9 927.3 0.40 TRP 272 9305 -58.7 -66.7 35 8.0 -58.8 5 48 311.2 311.2 285.8 311.3 0.02 WND 10 30710 -45.0 -71.4 4 26.4 -52.4 230 62 851.7 851.8 328.5 854.3 0.25 Sounding variables and indices 1000-500 mb thick: 5056.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 64.76 % Est. max temperature: -5.50 C = 22.10 F Sfc-Lift cond lev (LCL): 880.22 mb = 1184.17 m = 3885.02 ft T: -14.68 C 700-500 lapse rate: 3.50 C/km ThetaE index: 0.30 C Layer 700.0- 619.0 mb Conv cond level (CCL): 934.00 mb = 736.97 m = 2417.86 ft Mean mixing ratio: 0.94 g/kg Conv temperature: -18.62 C = -1.52 F Cap Strength: 17.54 C Lifted Index: 17.77 C Risk: None Lifted Index @300 mb: 25.45 C Lifted Index @700 mb: 4.78 C Showalter Index: 15.43 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 15.00 C K Index: -4.50 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.50 J/kg Max Up Vert Vel: 8.77 m/s Conv Inhibition (B-): 85447.70 J/kg Cap Strength: 17.55 C Lift Cond Lev (LCL): 828.35 mb = 1641.09 m = 5384.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 24 at 18 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 ---------------------------------------------------------- 0 934 737 70 1 -0.9 -0.3 | 201 17 6.1 15.7 1 925 810 45 3 -2.1 -2.1 | 199 15 4.9 13.9 2 850 1448 335 11 4.6 -10.0 | 242 13 11.7 6.1 3 700 2879 345 23 6.0 -22.2 | 295 14 13.0 -6.2 4 500 5280 360 31 -0.0 -31.0 | 335 17 7.0 -14.9 5 400 6810 360 31 -0.0 -31.0 | 335 17 7.0 -14.9 6 300 8680 5 42 -3.7 -41.8 | 353 26 3.4 -25.8 7 272 9305 5 48 -4.2 -47.8 | 355 32 2.9 -31.8 8 250 9840 5 50 -4.4 -49.8 | 355 34 2.7 -33.8 9 200 11260 5 35 -3.1 -34.9 | 348 19 4.0 -18.8 10 150 13100 345 27 7.0 -26.1 | 306 17 14.0 -10.0 11 100 15720 335 9 3.8 -8.2 | 234 13 10.8 7.9 12 70 18000 340 7 2.4 -6.6 | 225 13 9.4 9.5 13 50 20150 210 5 2.5 4.3 | 205 23 9.5 20.4 14 30 23430 225 17 12.0 12.0 | 214 34 19.1 28.1 15 20 26080 215 38 21.8 31.1 | 211 55 28.8 47.2 16 10 30710 230 62 47.5 39.9 | 224 78 54.5 55.9 Wind Parameters Mean winds (0-6000m): 353.7 at 23.4 knts Storm direction: 23.7 at 17.5 knts Shear (0-3000m) pos: 2.3 neg: 2.3 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 108.5 deg Storm rel helicity (0-3000m) pos: 82.2 neg: -1.9 tot: 80.3 m^2/s^2 ave: 26.8 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 4.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.84 Bulk Shear: 45.70 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 12 5 208 13| 0.0 8.3 8.3| 14.4 -1.9 12.4 24.9 0.46| 9.5 4.4 1000 344 8 228 12| 0.0 7.0 7.0| 34.3 -1.9 32.4 32.4 0.65| 8.4 5.4 1500 341 11 240 12| 1.5 4.6 6.1| 48.9 -1.9 46.9 31.3 0.72| 7.1 5.1 2000 342 13 251 12| 2.2 3.5 5.7| 63.8 -1.9 61.9 30.9 0.76| 6.4 4.9 2500 344 15 261 11| 2.3 2.8 5.1| 74.0 -1.9 72.0 28.8 0.78| 5.7 4.5 3000 345 17 269 11| 2.3 2.3 4.6| 82.2 -1.9 80.3 26.8 0.80| 5.1 4.1 4000 348 19 285 11| 2.2 1.7 3.9| 99.8 -1.9 97.9 24.5 0.82| 4.4 3.6 5000 352 22 298 12| 2.0 1.4 3.4|110.2 -1.9 108.2 21.6 0.83| 3.8 3.2 6000 354 23 307 12| 1.7 1.2 2.8|110.2 -1.9 108.2 18.0 0.83| 3.2 2.6 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251022.00.gif