UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 17 OCT 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 130 SFC 986 247 8.2 6.0 86 2.2 7.1 225 3 282.5 283.5 280.8 298.9 5.95 2 925 770 3.4 1.9 90 1.5 2.7 220 11 282.8 283.6 279.6 296.0 4.74 3 850 1453 -0.5 -3.1 83 2.6 -1.6 230 11 285.6 286.2 279.5 295.8 3.58 4 709 2882 -9.5 -12.0 82 2.5 -10.3 267 22 290.9 291.3 280.1 297.3 2.15 5 700 2981 -8.1 -10.3 84 2.2 -8.9 270 23 293.5 294.0 281.7 301.0 2.49 6 696 3025 -7.9 -10.1 84 2.2 -8.7 270 23 294.2 294.7 282.1 301.9 2.55 7 688 3115 -7.9 -11.0 78 3.1 -8.9 271 24 295.2 295.6 282.4 302.5 2.40 8 664 3390 -9.9 -17.9 52 8.0 -12.1 272 25 296.0 296.2 281.5 300.3 1.41 9 643 3636 -11.5 -17.5 61 6.0 -13.2 273 26 296.9 297.1 282.0 301.6 1.50 10 584 4369 -13.9 -27.9 30 14.0 -16.7 275 29 302.4 302.5 283.2 304.5 0.66 11 527 5141 -18.9 -34.9 23 16.0 -21.4 278 33 305.4 305.4 284.1 306.7 0.37 12 523 5197 -18.7 -34.7 23 16.0 -21.2 279 33 306.3 306.3 284.4 307.6 0.38 13 500 5530 -21.9 -32.9 36 11.0 -23.6 280 35 306.3 306.4 284.5 308.0 0.48 14 489 5693 -23.7 -32.7 43 9.0 -25.1 280 34 306.1 306.2 284.5 307.8 0.50 15 483 5783 -24.3 -33.3 43 9.0 -25.6 279 34 306.4 306.5 284.6 308.1 0.48 16 405 7043 -33.5 -48.5 21 15.0 -34.5 275 29 310.3 310.4 285.6 310.8 0.12 17 400 7130 -34.3 -49.3 20 15.0 -35.3 275 29 310.4 310.4 285.6 310.8 0.11 18 300 9090 -48.3 -59.3 27 11.0 -48.6 270 33 317.3 317.3 287.9 317.4 0.04 19 291 9290 -50.1 -60.1 30 10.0 -50.3 269 33 317.5 317.5 288.0 317.6 0.04 20 250 10270 -55.7 -63.7 36 8.0 -55.8 265 33 323.3 323.3 289.8 323.4 0.03 21 227 10881 -58.1 -66.1 35 8.0 -58.2 270 35 328.6 328.6 291.3 328.7 0.02 22 200 11680 -57.7 -65.7 35 8.0 -57.8 280 33 341.4 341.4 294.7 341.5 0.03 23 194 11871 -57.3 -65.3 36 8.0 -57.5 279 33 345.0 345.0 295.6 345.1 0.03 24 163 12973 -55.3 -64.3 32 9.0 -55.5 276 33 366.0 366.0 299.9 366.2 0.04 25 150 13500 -56.1 -66.1 27 10.0 -56.3 275 33 373.4 373.4 301.2 373.6 0.04 26 100 16070 -58.1 -71.1 17 13.0 -58.4 255 23 415.5 415.5 307.2 415.6 0.03 27 70 18310 -59.5 -75.5 11 16.0 -59.9 270 15 457.1 457.1 311.5 457.2 0.02 28 67 18584 -60.3 -76.3 11 16.0 -60.7 271 15 461.1 461.1 311.9 461.2 0.02 29 50 20420 -58.3 -75.3 10 17.0 -58.9 280 17 506.1 506.1 315.4 506.3 0.03 30 47 20807 -57.9 -74.9 10 17.0 -58.6 284 17 516.1 516.1 316.1 516.3 0.03 31 31 23397 -61.3 -80.3 6 19.0 -62.0 313 13 572.1 572.1 319.3 572.3 0.02 32 30 23600 -60.5 -79.5 7 19.0 -61.3 315 13 579.7 579.7 319.6 579.9 0.02 33 28 24032 -57.9 -77.9 6 20.0 -59.1 304 13 598.5 598.5 320.6 598.7 0.03 34 20 26160 -56.7 -77.7 5 21.0 -58.5 250 11 662.6 662.6 323.2 663.0 0.05 35 14 28422 -56.5 -78.5 5 22.0 -58.9 734.5 734.5 325.5 735.0 0.06 36 13 28897 -52.5 -75.5 5 23.0 -56.2 764.0 764.1 326.3 765.0 0.10 TRP 227 10881 -58.1 -66.1 35 8.0 -58.2 270 35 328.6 328.6 291.3 328.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5400.00 m Freezing level: 859.62 mb = 1365.44 m = 4479.72 ft Wetbulb zero: 877.39 mb = 1196.80 m = 3926.45 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 63.34 % Est. max temperature: 11.81 C = 53.26 F Sfc-Lift cond lev (LCL): 953.44 mb = 521.78 m = 1711.84 ft T: 5.68 C 700-500 lapse rate: 5.41 C/km ThetaE index: 3.09 C Layer 925.0- 709.0 mb Conv cond level (CCL): 900.98 mb = 982.55 m = 3223.56 ft Mean mixing ratio: 4.98 g/kg Conv temperature: 9.38 C = 48.89 F Cap Strength: 9.70 C Lifted Index: 9.28 C Risk: None Lifted Index @300 mb: 14.55 C Lifted Index @700 mb: 3.19 C Showalter Index: 10.01 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 18.80 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 57.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.41 J/kg Max Up Vert Vel: 3.58 m/s Conv Inhibition (B-): 49569.48 J/kg Cap Strength: 9.64 C Lift Cond Lev (LCL): 910.23 mb = 900.01 m = 2952.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 17 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 ---------------------------------------------------------- 0 986 247 225 3 2.1 2.1 | 130 17 -12.7 10.5 1 925 770 220 11 7.1 8.4 | 155 19 -7.8 16.8 2 850 1453 230 11 8.4 7.1 | 157 17 -6.4 15.5 3 700 2981 270 23 23.0 -0.0 | 224 12 8.1 8.4 4 500 5530 280 35 34.5 -6.1 | 263 20 19.6 2.3 5 400 7130 275 29 28.9 -2.5 | 247 15 14.0 5.9 6 300 9090 270 33 33.0 -0.0 | 245 20 18.1 8.4 7 250 10270 265 33 32.9 2.9 | 238 21 18.0 11.3 8 227 10881 270 35 35.0 -0.0 | 247 22 20.1 8.4 9 200 11680 280 33 32.5 -5.7 | 261 18 17.6 2.7 10 150 13500 275 33 32.9 -2.9 | 253 19 18.0 5.5 11 100 16070 255 23 22.2 6.0 | 207 16 7.3 14.3 12 70 18310 270 15 15.0 -0.0 | 181 8 0.1 8.4 13 50 20420 280 17 16.7 -3.0 | 199 6 1.9 5.4 14 30 23600 315 13 9.2 -9.2 | 82 6 -5.7 -0.8 15 20 26160 250 11 10.3 3.8 | 160 13 -4.5 12.2 Wind Parameters Mean winds (0-6000m): 269.4 at 22.8 knts Storm direction: 299.4 at 17.1 knts Shear (0-3000m) pos: 3.3 neg: 1.3 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 100.2 deg Storm rel helicity (0-3000m) pos: 101.6 neg: 0.0 tot: 101.6 m^2/s^2 ave: 33.9 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 4.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 47.39 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 ------------------------------------------------------------------------------- 500 221 7 142 17| 0.0 7.9 7.9| 33.1 0.0 33.1 66.1 0.96| 7.9 7.5 1000 222 9 149 17| 0.7 3.9 4.6| 37.0 0.0 37.0 37.0 0.89| 4.7 4.2 1500 226 10 153 17| 1.5 2.6 4.2| 49.5 0.0 49.5 33.0 0.88| 4.3 3.8 2000 233 11 159 16| 2.5 2.0 4.5| 69.1 0.0 69.1 34.6 0.90| 4.6 4.1 2500 242 13 166 15| 3.2 1.6 4.7| 88.6 0.0 88.6 35.4 0.91| 4.9 4.4 3000 250 14 175 13| 3.3 1.3 4.6|101.6 0.0 101.6 33.9 0.92| 4.8 4.4 4000 259 17 191 12| 3.1 1.0 4.1|116.6 0.0 116.6 29.1 0.90| 4.3 3.8 5000 266 20 209 11| 3.0 0.8 3.8|133.6 0.0 133.6 26.7 0.88| 3.9 3.5 6000 269 23 222 12| 2.6 0.7 3.3|138.6 -10.2 128.4 21.4 0.76| 3.7 2.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251017.00.gif