UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 6 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 141 SFC 988 242 11.6 5.6 67 6.0 8.5 315 1 285.7 286.7 282.1 301.9 5.77 2 925 786 6.4 1.4 70 5.0 4.0 300 3 285.9 286.6 280.8 298.8 4.57 3 899 1019 3.6 -0.0 77 3.6 2.0 292 4 285.3 286.0 280.1 297.4 4.25 4 850 1474 1.2 -2.6 76 3.8 -0.4 275 5 287.4 288.1 280.5 298.1 3.71 5 831 1656 -0.3 -3.4 80 3.1 -1.6 266 6 287.7 288.3 280.4 298.0 3.58 6 812 1841 -0.3 -3.2 81 2.9 -1.5 257 6 289.6 290.3 281.5 300.4 3.72 7 778 2184 0.6 -3.8 72 4.4 -1.3 241 8 294.1 294.8 283.4 305.1 3.71 8 717 2835 -3.7 -10.7 58 7.0 -6.2 209 10 296.3 296.8 282.8 303.5 2.36 9 700 3024 -4.9 -10.9 63 6.0 -7.0 200 11 297.1 297.5 283.1 304.3 2.38 10 692 3114 -5.1 -11.1 63 6.0 -7.2 200 12 297.8 298.2 283.4 305.1 2.36 11 567 4658 -10.9 -16.9 61 6.0 -12.8 200 21 308.5 308.8 286.8 314.3 1.79 12 511 5447 -16.5 -22.5 60 6.0 -18.0 200 26 311.0 311.2 287.1 315.1 1.23 13 500 5610 -17.5 -24.5 54 7.0 -19.1 200 27 311.7 311.9 287.2 315.2 1.05 14 490 5761 -17.7 -25.7 50 8.0 -19.5 202 27 313.3 313.4 287.6 316.5 0.96 15 471 6056 -20.9 -28.9 49 8.0 -22.4 207 28 312.9 313.0 287.2 315.4 0.75 16 468 6103 -21.1 -36.1 25 15.0 -23.4 207 28 313.2 313.3 286.9 314.5 0.37 17 429 6738 -27.3 -39.3 31 12.0 -28.7 217 30 313.2 313.2 286.8 314.2 0.29 18 403 7187 -29.5 -39.5 37 10.0 -30.6 224 31 316.0 316.0 287.8 317.1 0.31 19 400 7240 -30.7 -40.7 37 10.0 -31.7 225 31 315.1 315.1 287.5 316.1 0.27 20 337 8433 -40.5 -48.5 42 8.0 -40.9 222 48 317.5 317.6 288.1 318.1 0.14 21 302 9175 -43.7 -50.7 46 7.0 -44.0 220 59 323.2 323.2 289.9 323.6 0.12 22 300 9220 -44.1 -51.1 46 7.0 -44.5 220 60 323.2 323.2 289.9 323.7 0.12 23 271 9893 -50.5 -56.5 49 6.0 -50.7 220 63 323.4 323.5 289.9 323.7 0.07 24 263 10087 -53.9 -56.5 73 2.6 -54.0 220 64 321.2 321.2 289.2 321.5 0.07 25 258 10210 -56.1 225 62 319.8 26 250 10410 -56.1 240 60 322.7 27 215 11381 -51.9 210 44 343.4 28 200 11850 -52.1 195 36 350.3 29 150 13700 -51.9 205 27 380.6 30 101 16247 -55.5 288 27 419.3 31 100 16310 -55.7 290 27 420.1 32 87 17191 -58.5 284 19 431.5 33 70 18560 -57.5 275 7 461.4 34 50 20690 -58.1 290 11 506.6 35 44 21496 -57.7 526.4 TRP 258 10210 -56.1 225 62 319.8 WND 263 10087 -53.9 -56.5 73 2.6 -54.0 220 64 321.2 321.2 289.2 321.5 0.07 Sounding variables and indices 1000-500 mb thick: 5469.00 m Freezing level: 834.80 mb = 1619.24 m = 5312.41 ft Freezing level: 800.67 mb = 1955.16 m = 6414.48 ft Freezing level: 769.49 mb = 2274.70 m = 7462.84 ft Wetbulb zero: 859.16 mb = 1387.09 m = 4550.77 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 66.32 % Est. max temperature: 13.44 C = 56.19 F Sfc-Lift cond lev (LCL): 902.17 mb = 990.62 m = 3250.02 ft T: 3.95 C 700-500 lapse rate: 4.87 C/km ThetaE index: 4.58 C Layer 925.0- 850.0 mb Conv cond level (CCL): 847.33 mb = 1499.29 m = 4918.86 ft Mean mixing ratio: 4.86 g/kg Conv temperature: 13.31 C = 55.95 F Cap Strength: 11.55 C Lifted Index: 11.86 C Risk: None Lifted Index @300 mb: 16.93 C Lifted Index @700 mb: 4.87 C Showalter Index: 12.83 C Risk: None Total Totals Index: 33.60 C Risk: None Vertical Totals Index: 18.70 C Cross Totals Index: 14.90 C K Index: 10.10 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.01 J/kg Max Up Vert Vel: 1.42 m/s Conv Inhibition (B-): 30157.64 J/kg Cap Strength: 11.58 C Lift Cond Lev (LCL): 869.45 mb = 1290.54 m = 4234.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 10 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 ---------------------------------------------------------- 0 988 242 315 1 0.7 -0.7 | 51 10 -8.0 -6.5 1 925 786 300 3 2.6 -1.5 | 40 10 -6.2 -7.3 2 850 1474 275 5 5.0 -0.4 | 31 7 -3.8 -6.2 3 700 3024 200 11 3.8 10.3 | 132 7 -5.0 4.5 4 500 5610 200 27 9.2 25.4 | 181 20 0.5 19.6 5 400 7240 225 31 21.9 21.9 | 219 21 13.2 16.1 6 300 9220 220 60 38.6 46.0 | 217 50 29.8 40.2 7 263 10087 220 64 41.1 49.0 | 217 54 32.4 43.2 8 258 10210 225 62 43.8 43.8 | 223 52 35.1 38.1 9 250 10410 240 60 52.0 30.0 | 241 50 43.2 24.2 10 200 11850 195 36 9.3 34.8 | 181 29 0.6 29.0 11 150 13700 205 27 11.4 24.5 | 188 19 2.7 18.7 12 100 16310 290 27 25.4 -9.2 | 312 22 16.6 -15.0 13 70 18560 275 7 7.0 -0.6 | 16 7 -1.8 -6.4 14 50 20690 290 11 10.3 -3.8 | 351 10 1.6 -9.6 Wind Parameters Mean winds (0-6000m): 206.5 at 14.0 knts Storm direction: 236.5 at 10.5 knts Shear (0-3000m) pos: 0.0 neg: 2.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 91.0 deg Storm rel helicity (0-3000m) pos: 6.3 neg: -8.5 tot: -2.2 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 27.33 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 ------------------------------------------------------------------------------- 500 304 2 46 10| 0.0 1.9 1.9| 0.0 -4.7 -4.7 -9.3 -0.92| 2.0 -1.8 1000 296 3 42 9| 0.0 1.8 1.8| 0.0 -7.4 -7.4 -7.4 -0.77| 1.9 -1.5 1500 284 4 39 9| 0.0 1.9 1.9| 0.0 -8.5 -8.5 -5.7 -0.55| 2.2 -1.2 2000 269 4 37 7| 0.0 2.0 2.0| 1.2 -8.5 -7.3 -3.7 -0.22| 2.5 -0.6 2500 250 5 43 5| 0.0 2.1 2.1| 3.5 -8.5 -5.0 -2.0 0.08| 2.9 0.2 3000 232 6 63 4| 0.0 2.2 2.2| 6.3 -8.5 -2.2 -0.7 0.16| 3.1 0.5 4000 216 8 106 4| 0.0 2.4 2.4| 16.5 -8.5 8.0 2.0 0.29| 3.1 0.9 5000 208 11 140 5| 0.0 2.6 2.6| 26.7 -8.5 18.2 3.6 0.32| 3.1 1.0 6000 207 14 160 7| 0.5 2.2 2.7| 56.1 -8.5 47.6 7.9 0.41| 3.2 1.3 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251006.12.gif