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 U3921... Searching the city database file for: U3921 ... Date:0000Z 17 OCT 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1008 94 2.8 2.8 100 0.0 2.8 0 0 275.3 276.1 275.6 287.9 4.64 1 1000 158 2.8 1.4 90 1.4 2.2 40 1 276.0 276.7 275.3 287.5 4.23 2 925 785 0.0 -1.0 93 1.0 -0.4 165 9 279.3 280.0 276.6 290.0 3.84 3 850 1459 -2.5 -3.6 92 1.1 -3.0 180 13 283.5 284.1 278.3 293.3 3.44 4 741 2542 -5.7 -7.1 90 1.4 -6.2 191 29 291.4 291.9 281.5 300.3 3.03 5 700 2987 -7.7 -9.2 89 1.5 -8.2 195 36 294.0 294.4 282.2 302.1 2.72 6 597 4206 -14.9 -17.1 83 2.2 -15.5 195 40 299.3 299.6 283.2 304.5 1.68 7 500 5520 -24.7 -28.4 71 3.7 -25.3 195 44 302.9 303.1 283.5 305.4 0.74 8 428 6636 -32.9 -37.0 67 4.1 -33.3 202 43 306.2 306.3 284.4 307.5 0.37 9 400 7110 -36.9 -41.6 62 4.7 -37.2 205 42 307.0 307.1 284.5 307.9 0.25 10 363 7769 -42.9 -47.9 58 5.0 -43.2 205 44 307.7 307.7 284.6 308.2 0.14 11 311 8788 -51.5 -56.5 55 5.0 -51.6 205 47 309.6 309.6 285.2 309.8 0.06 12 300 9020 -52.1 -57.1 55 5.0 -52.2 205 48 311.9 311.9 286.1 312.1 0.06 13 250 10190 -56.9 -61.5 56 4.6 -57.0 205 60 321.5 321.5 289.2 321.6 0.04 14 241 10421 -57.7 -62.4 55 4.7 -57.8 205 60 323.7 323.7 289.9 323.8 0.04 15 239 10474 -57.6 -62.3 55 4.7 -57.7 205 60 324.5 324.5 290.2 324.7 0.04 16 200 11600 -56.3 -60.9 56 4.6 -56.4 205 46 343.6 343.6 295.3 343.8 0.05 17 180 12270 -54.9 -59.7 55 4.8 -55.1 212 40 356.4 356.4 298.0 356.7 0.07 18 150 13430 -56.1 -62.1 47 6.0 -56.3 225 29 373.4 373.4 301.2 373.7 0.06 19 100 16010 -57.1 -64.1 41 7.0 -57.3 245 21 417.4 417.4 307.4 417.8 0.07 20 70 18260 -58.7 -66.7 35 8.0 -59.0 255 17 458.8 458.8 311.7 459.2 0.07 21 50 20360 -60.1 -68.1 34 8.0 -60.5 270 15 501.9 501.9 315.1 502.4 0.08 22 30 23530 -61.9 -69.9 34 8.0 -62.4 310 13 575.9 575.9 319.5 576.6 0.10 23 26 24415 -62.1 -71.1 29 9.0 -62.7 599.4 599.4 320.6 600.1 0.10 TRP 241 10421 -57.7 -62.4 55 4.7 -57.8 205 60 323.7 323.7 289.9 323.8 0.04 WND 239 10474 -57.6 -62.3 55 4.7 -57.7 205 60 324.5 324.5 290.2 324.7 0.04 Sounding variables and indices 1000-500 mb thick: 5362.00 m Freezing level: 925.00 mb = 785.00 m = 2575.43 ft Wetbulb zero: 937.07 mb = 680.72 m = 2233.31 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 86.60 % Est. max temperature: 10.55 C = 51.00 F Sfc-Lift cond lev (LCL): 1007.86 mb = 94.74 m = 310.83 ft T: 2.80 C 700-500 lapse rate: 6.71 C/km ThetaE index: 0.41 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 903.32 mb = 974.05 m = 3195.65 ft Mean mixing ratio: 4.02 g/kg Conv temperature: 7.97 C = 46.35 F Cap Strength: 11.04 C Lifted Index: 12.34 C Risk: None Lifted Index @300 mb: 16.32 C Lifted Index @700 mb: 8.63 C Showalter Index: 9.09 C Risk: None Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 21.10 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 70.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.40 J/kg Max Up Vert Vel: 5.55 m/s Conv Inhibition (B-): 43307.49 J/kg Cap Strength: 12.34 C Lift Cond Lev (LCL): 940.00 mb = 655.61 m = 2150.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 223 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 1008 94 0 0 -0.0 -0.0 | 43 22 -15.1 -16.1 1 1000 158 40 1 -0.6 -0.8 | 43 23 -15.7 -16.9 2 925 785 165 9 -2.3 8.7 | 67 19 -17.4 -7.4 3 850 1459 180 13 0.0 13.0 | 78 15 -15.1 -3.1 4 700 2987 195 36 9.3 34.8 | 163 20 -5.7 18.7 5 500 5520 195 44 11.4 42.5 | 172 27 -3.7 26.4 6 400 7110 205 42 17.7 38.1 | 187 22 2.7 22.0 7 300 9020 205 48 20.3 43.5 | 191 28 5.2 27.4 8 250 10190 205 60 25.4 54.4 | 195 40 10.3 38.3 9 241 10421 205 60 25.4 54.4 | 195 40 10.3 38.3 10 239 10474 205 60 25.4 54.4 | 195 40 10.3 38.3 11 200 11600 205 46 19.4 41.7 | 190 26 4.4 25.6 12 150 13430 225 29 20.5 20.5 | 231 7 5.4 4.4 13 100 16010 245 21 19.0 8.9 | 331 8 4.0 -7.2 14 70 18260 255 17 16.4 4.4 | 353 12 1.4 -11.7 15 50 20360 270 15 15.0 -0.0 | 0 16 -0.1 -16.1 16 30 23530 310 13 10.0 -8.4 | 12 25 -5.1 -24.5 Wind Parameters Mean winds (0-6000m): 193.1 at 29.4 knts Storm direction: 223.1 at 22.0 knts Shear (0-3000m) pos: 6.2 neg: 0.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 120.3 deg Storm rel helicity (0-3000m) pos: 169.8 neg: 0.0 tot: 169.8 m^2/s^2 ave: 56.6 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 6.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 109.50 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 ------------------------------------------------------------------------------- 500 117 3 51 23| 6.7 0.0 6.7| 44.4 0.0 44.4 88.8 0.76| 9.3 7.0 1000 164 6 59 20| 5.6 0.0 5.6| 69.2 0.0 69.2 69.2 0.68| 8.7 5.9 1500 172 8 64 18| 5.2 0.0 5.2| 85.0 0.0 85.0 56.6 0.70| 7.4 5.2 2000 177 11 71 16| 5.8 0.0 5.8|113.6 0.0 113.6 56.8 0.78| 7.6 5.9 2500 183 14 82 15| 6.2 0.0 6.2|143.3 0.0 143.3 57.3 0.81| 7.7 6.2 3000 187 17 95 13| 6.2 0.0 6.2|169.8 0.0 169.8 56.6 0.82| 7.5 6.2 4000 191 22 118 12| 4.7 0.4 5.1|178.4 0.0 178.4 44.6 0.80| 6.1 4.8 5000 192 26 135 14| 3.7 0.6 4.4|187.1 0.0 187.1 37.4 0.77| 5.2 4.0 6000 193 29 146 15| 3.2 0.5 3.7|206.3 0.0 206.3 34.4 0.77| 4.7 3.6 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251017.00.gif