UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102312.upa.cvt Date: 1200Z 23 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 23 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 191 SFC 927 746 -23.1 -26.0 77 2.9 -23.4 100 3 255.5 255.6 254.5 256.9 0.49 2 925 762 -22.1 -24.7 79 2.6 -22.4 95 3 256.7 256.8 255.7 258.2 0.56 3 913 859 -15.1 -16.8 87 1.7 -15.4 80 3 264.9 265.0 263.2 268.0 1.12 4 906 918 -13.7 -15.0 90 1.3 -14.0 72 2 266.9 267.1 265.0 270.5 1.31 5 866 1260 -14.7 -15.8 91 1.1 -14.9 21 1 269.3 269.5 266.6 272.9 1.29 6 850 1401 -15.5 -17.2 87 1.7 -15.9 0 0 269.9 270.1 266.8 273.2 1.17 7 700 2850 -20.9 -24.3 74 3.4 -21.5 320 17 279.3 279.5 272.1 281.6 0.76 8 602 3955 -25.5 -29.1 72 3.6 -26.0 322 23 286.3 286.4 275.7 288.1 0.57 9 500 5280 -33.9 -38.7 62 4.8 -34.3 325 31 291.7 291.8 277.9 292.6 0.27 10 457 5901 -38.1 -44.1 53 6.0 -38.4 323 33 294.1 294.1 278.9 294.6 0.17 11 454 5946 -38.5 -44.5 53 6.0 -38.8 323 33 294.1 294.1 278.9 294.7 0.16 12 400 6800 -44.9 -49.9 57 5.0 -45.1 320 35 296.6 296.7 280.0 297.0 0.10 13 357 7552 -50.5 -55.5 55 5.0 -50.6 320 39 298.9 298.9 281.0 299.1 0.06 14 300 8670 -57.5 -63.5 46 6.0 -57.6 320 44 304.3 304.3 283.1 304.4 0.02 15 268 9378 -61.3 -67.3 45 6.0 -61.3 320 44 308.7 308.7 284.9 308.8 0.02 16 253 9736 -61.5 -67.5 45 6.0 -61.6 324 41 313.6 313.6 286.6 313.6 0.02 17 250 9810 -60.7 -66.7 45 6.0 -60.7 325 40 315.8 315.8 287.4 315.9 0.02 18 200 11210 -56.1 -62.1 47 6.0 -56.2 320 31 343.9 343.9 295.3 344.1 0.04 19 176 12031 -53.5 -59.5 48 6.0 -53.7 324 30 361.0 361.0 299.0 361.3 0.07 20 150 13060 -54.7 -60.7 47 6.0 -54.9 330 29 375.8 375.8 301.6 376.2 0.07 21 100 15640 -55.3 -62.3 41 7.0 -55.6 325 19 420.9 420.9 307.9 421.3 0.09 22 70 17910 -57.1 -64.1 41 7.0 -57.5 300 19 462.2 462.3 312.0 462.8 0.10 23 50 20040 -57.7 -64.7 40 7.0 -58.2 290 9 507.5 507.5 315.5 508.3 0.13 24 40 21452 -57.5 -64.5 41 7.0 -58.0 275 9 541.5 541.5 317.6 542.6 0.16 25 30 23280 -55.5 -63.5 36 8.0 -56.5 255 9 593.3 593.4 320.4 595.2 0.25 26 20 25890 -49.9 -58.9 34 9.0 -52.1 220 9 683.4 683.7 324.1 689.2 0.68 27 10 30480 -44.1 -59.1 17 15.0 -50.5 210 46 854.9 855.6 328.8 869.0 1.32 28 8.7 31416 -43.3 -60.3 14 17.0 -50.8 892.8 893.5 329.5 907.3 1.31 TRP 268 9378 -61.3 -67.3 45 6.0 -61.3 320 44 308.7 308.7 284.9 308.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5089.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 75.65 % Est. max temperature: -4.79 C = 23.39 F Sfc-Lift cond lev (LCL): 883.35 mb = 1109.64 m = 3640.50 ft T: -14.26 C 700-500 lapse rate: 5.35 C/km ThetaE index: 0.00 C Layer 927.0-635007559270400.0 mb Conv cond level (CCL): 927.00 mb = 746.15 m = 2447.97 ft Mean mixing ratio: 1.18 g/kg Conv temperature: -16.08 C = 3.05 F Cap Strength: 13.83 C Lifted Index: 17.17 C Risk: None Lifted Index @300 mb: 23.60 C Lifted Index @700 mb: 8.79 C Showalter Index: 15.42 C Risk: None Total Totals Index: 35.10 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 16.70 C K Index: -2.20 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 4.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.44 J/kg Max Up Vert Vel: 8.54 m/s Conv Inhibition (B-): 64889.26 J/kg Cap Strength: 16.96 C Lift Cond Lev (LCL): 856.39 mb = 1344.43 m = 4410.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 353 at 15 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 ---------------------------------------------------------- 0 927 746 100 3 -3.0 0.5 | 163 16 -4.8 15.7 1 925 762 95 3 -3.0 0.3 | 162 16 -4.9 15.4 2 850 1401 0 0 -0.0 -0.0 | 173 15 -1.9 15.1 3 700 2850 320 17 10.9 -13.0 | 257 9 9.0 2.1 4 500 5280 325 31 17.8 -25.4 | 303 19 15.9 -10.3 5 400 6800 320 35 22.5 -26.8 | 300 24 20.6 -11.7 6 300 8670 320 44 28.3 -33.7 | 305 32 26.4 -18.6 7 268 9378 320 44 28.3 -33.7 | 305 32 26.4 -18.6 8 250 9810 325 40 22.9 -32.8 | 310 27 21.1 -17.6 9 200 11210 320 31 19.9 -23.7 | 296 20 18.0 -8.6 10 150 13060 330 29 14.5 -25.1 | 308 16 12.6 -10.0 11 100 15640 325 19 10.9 -15.6 | 273 9 9.0 -0.4 12 70 17910 300 19 16.5 -9.5 | 249 16 14.6 5.6 13 50 20040 290 9 8.5 -3.1 | 209 14 6.6 12.1 14 30 23280 255 9 8.7 2.3 | 201 19 6.8 17.5 15 20 25890 220 9 5.8 6.9 | 190 22 3.9 22.0 16 10 30480 210 46 23.0 39.8 | 201 59 21.1 55.0 Wind Parameters Mean winds (0-6000m): 322.9 at 20.3 knts Storm direction: 352.9 at 15.3 knts Shear (0-3000m) pos: 0.5 neg: 3.7 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 118.1 deg Storm rel helicity (0-3000m) pos: 42.0 neg: -0.2 tot: 41.9 m^2/s^2 ave: 14.0 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.60 Bulk Shear: 60.46 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 84 2 166 15| 0.0 3.0 3.0| 8.7 0.0 8.7 17.3 0.63| 3.6 2.3 1000 58 2 167 15| 0.0 3.0 3.0| 10.8 -0.2 10.6 10.6 0.35| 4.0 1.4 1500 351 3 174 12| 0.0 4.1 4.1| 18.0 -0.2 17.8 11.9 0.44| 4.8 2.1 2000 327 6 187 10| 0.0 4.7 4.7| 28.0 -0.2 27.9 13.9 0.59| 5.3 3.1 2500 322 8 199 9| 0.0 4.5 4.5| 35.2 -0.2 35.0 14.0 0.61| 5.0 3.1 3000 322 10 211 8| 0.5 3.7 4.2| 42.0 -0.2 41.9 14.0 0.63| 4.7 3.0 4000 323 14 239 8| 1.1 2.8 3.9| 56.5 -0.2 56.4 14.1 0.64| 4.3 2.7 5000 323 17 262 9| 1.2 2.4 3.6| 64.6 -1.6 63.0 12.6 0.60| 3.9 2.3 6000 323 20 276 10| 1.0 2.2 3.2| 64.6 -6.6 58.0 9.7 0.53| 3.5 1.9 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251023.12.gif