UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110800.upa.cvt Date: 0000Z 8 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 8 NOV 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 93 360 1 SFC 998 108 -11.7 -13.4 87 1.7 -12.1 360 1 261.6 261.8 261.2 265.3 1.36 2 925 685 -15.5 -18.3 79 2.8 -16.0 270 11 263.5 263.6 261.9 266.2 0.98 3 921 718 -15.7 -18.5 79 2.8 -16.2 269 11 263.6 263.7 261.9 266.2 0.96 4 855 1280 -14.5 -16.4 85 1.9 -14.9 256 15 270.5 270.7 267.4 274.0 1.24 5 850 1324 -14.7 -16.7 85 2.0 -15.1 255 15 270.7 270.9 267.5 274.2 1.22 6 755 2212 -20.5 -23.0 80 2.5 -20.9 255 24 273.8 273.9 268.7 276.1 0.80 7 750 2261 -20.7 -23.2 80 2.5 -21.1 255 24 274.1 274.2 268.9 276.4 0.79 8 711 2657 -20.1 -30.1 41 10.0 -21.4 255 28 279.0 279.1 271.4 280.3 0.44 9 702 2751 -20.7 -31.7 37 11.0 -22.1 255 29 279.3 279.4 271.4 280.5 0.38 10 700 2772 -20.7 -31.7 37 11.0 -22.1 255 29 279.6 279.6 271.6 280.8 0.38 11 655 3262 -23.3 -30.3 53 7.0 -24.2 257 32 282.0 282.1 273.1 283.4 0.47 12 588 4045 -27.9 -36.9 42 9.0 -28.7 260 38 285.5 285.5 274.8 286.4 0.27 13 519 4937 -31.5 -45.5 24 14.0 -32.4 264 44 291.5 291.5 277.6 291.9 0.13 14 508 5088 -32.7 -47.7 21 15.0 -33.6 265 45 291.8 291.9 277.7 292.2 0.10 15 500 5200 -33.3 -48.3 21 15.0 -34.1 265 46 292.4 292.5 278.0 292.8 0.10 16 400 6720 -45.3 -53.3 40 8.0 -45.6 265 48 296.1 296.1 279.7 296.4 0.07 17 337 7843 -54.1 -61.1 42 7.0 -54.2 259 44 299.0 299.0 280.9 299.1 0.03 18 304 8497 -59.5 -66.5 40 7.0 -59.6 255 42 300.3 300.3 281.5 300.4 0.02 19 300 8580 -59.9 -66.9 40 7.0 -60.0 255 42 300.9 300.9 281.7 301.0 0.02 20 284 8919 -61.7 -68.7 39 7.0 -61.7 260 44 303.1 303.1 282.7 303.1 0.01 21 255 9587 -59.7 -66.7 40 7.0 -59.8 256 47 315.5 315.5 287.3 315.6 0.02 22 250 9710 -60.5 -67.5 39 7.0 -60.6 255 48 316.1 316.1 287.5 316.2 0.02 23 239 9989 -61.3 -68.3 39 7.0 -61.4 256 46 319.0 319.0 288.5 319.1 0.02 24 217 10589 -58.3 -65.3 40 7.0 -58.4 258 43 332.6 332.6 292.4 332.7 0.03 25 200 11100 -59.1 -66.1 40 7.0 -59.2 260 40 339.2 339.2 294.1 339.3 0.03 26 150 12910 -58.3 -68.3 27 10.0 -58.5 260 40 369.6 369.6 300.5 369.8 0.03 27 100 15450 -60.5 -73.5 17 13.0 -60.7 255 31 410.8 410.8 306.6 410.9 0.02 28 70 17670 -60.9 -75.9 12 15.0 -61.2 265 31 454.1 454.1 311.3 454.2 0.02 29 56 19051 -63.3 -79.3 10 16.0 -63.6 258 34 478.5 478.6 313.4 478.6 0.01 30 50 19750 -61.9 -78.9 9 17.0 -62.3 255 35 497.6 497.6 314.8 497.7 0.02 31 47 20133 -61.3 -78.3 9 17.0 -61.8 507.9 507.9 315.5 508.0 0.02 TRP 284 8919 -61.7 -68.7 39 7.0 -61.7 260 44 303.1 303.1 282.7 303.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5107.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 58.44 % Est. max temperature: -2.50 C = 27.51 F Sfc-Lift cond lev (LCL): 970.93 mb = 317.05 m = 1040.19 ft T: -13.08 C 700-500 lapse rate: 5.19 C/km ThetaE index: 0.00 C Layer 998.0--8390752015546130719055026944212992.0 mb Conv cond level (CCL): 784.69 mb = 1922.86 m = 6308.52 ft Mean mixing ratio: 1.12 g/kg Conv temperature: -0.49 C = 31.11 F Cap Strength: 21.30 C Lifted Index: 21.64 C Risk: None Lifted Index @300 mb: 24.63 C Lifted Index @700 mb: 12.94 C Showalter Index: 15.23 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 16.60 C K Index: -9.10 Risk: None Sweat Index: 76.00 Risk: None Energy Index: 3.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.54 J/kg Max Up Vert Vel: 5.01 m/s Conv Inhibition (B-): 36383.09 J/kg Cap Strength: 21.55 C Lift Cond Lev (LCL): 912.61 mb = 786.84 m = 2581.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 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 ---------------------------------------------------------- 0 998 108 360 1 -0.0 -1.0 | 109 22 -20.8 7.1 1 925 685 270 11 11.0 -0.0 | 130 13 -9.8 8.1 2 850 1324 255 15 14.5 3.9 | 152 14 -6.3 12.0 3 700 2772 255 29 28.0 7.5 | 205 17 7.2 15.6 4 500 5200 265 46 45.8 4.0 | 244 28 25.0 12.1 5 400 6720 265 48 47.8 4.2 | 246 30 27.0 12.3 6 300 8580 255 42 40.6 10.9 | 226 27 19.8 19.0 7 284 8919 260 44 43.3 7.6 | 235 27 22.5 15.7 8 250 9710 255 48 46.4 12.4 | 231 33 25.5 20.5 9 200 11100 260 40 39.4 6.9 | 231 24 18.6 15.0 10 150 12910 260 40 39.4 6.9 | 231 24 18.6 15.0 11 100 15450 255 31 29.9 8.0 | 210 19 9.1 16.1 12 70 17670 265 31 30.9 2.7 | 223 15 10.1 10.8 13 50 19750 255 35 33.8 9.1 | 217 22 13.0 17.2 Wind Parameters Mean winds (0-6000m): 261.3 at 29.8 knts Storm direction: 291.3 at 22.3 knts Shear (0-3000m) pos: 0.7 neg: 4.7 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 103.1 deg Storm rel helicity (0-3000m) pos: 99.2 neg: -11.6 tot: 87.6 m^2/s^2 ave: 29.2 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.16 Bulk Shear: 80.45 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 ------------------------------------------------------------------------------- 500 275 5 116 17| 0.0 9.8 9.8| 14.4 -11.6 2.7 5.4 0.15| 11.9 1.7 1000 269 9 124 15| 0.0 7.1 7.1| 34.1 -11.6 22.4 22.4 0.43| 9.0 3.9 1500 262 11 134 14| 0.0 6.2 6.2| 49.5 -11.6 37.9 25.2 0.54| 7.6 4.1 2000 260 13 143 13| 0.0 5.9 5.9| 66.4 -11.6 54.8 27.4 0.62| 6.9 4.3 2500 258 16 154 13| 0.0 5.7 5.7| 83.3 -11.6 71.7 28.7 0.66| 6.5 4.3 3000 257 18 164 12| 0.7 4.7 5.4| 99.2 -11.6 87.6 29.2 0.68| 6.1 4.2 4000 258 22 183 13| 1.5 3.6 5.0|132.4 -11.6 120.7 30.2 0.71| 5.6 3.9 5000 260 26 202 14| 1.9 2.8 4.8|170.0 -11.6 158.4 31.7 0.72| 5.2 3.8 6000 261 30 214 15| 1.7 2.4 4.2|176.9 -11.6 165.2 27.5 0.71| 4.5 3.2 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251108.00.gif