UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 3 DEC 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 ------------------------------------------------------------------------------- SFC 1005 112 -39.5 -43.6 65 4.1 -39.6 90 1 233.3 233.3 233.2 233.5 0.08 1 1002 133 -35.1 -41.1 54 6.0 -35.3 102 1 237.9 237.9 237.7 238.2 0.10 2 1000 147 -32.3 -38.3 55 6.0 -32.6 110 1 240.9 240.9 240.6 241.2 0.14 3 999 154 -31.9 -37.9 55 6.0 -32.2 111 1 241.3 241.3 241.0 241.7 0.15 4 984 261 -28.5 -34.5 56 6.0 -28.9 129 4 245.8 245.8 245.3 246.4 0.21 5 978 304 -23.9 -29.9 58 6.0 -24.4 136 5 250.8 250.9 250.1 251.7 0.33 6 953 493 -21.5 -27.5 58 6.0 -22.2 166 10 255.1 255.2 254.1 256.3 0.42 7 925 711 -20.7 -27.7 53 7.0 -21.5 200 15 258.1 258.2 256.6 259.3 0.42 8 891 991 -18.5 -26.5 49 8.0 -19.6 204 16 263.2 263.3 260.7 264.6 0.49 9 850 1345 -19.1 -33.1 28 14.0 -20.6 210 17 266.1 266.2 262.4 267.0 0.28 10 842 1415 -19.1 -33.1 28 14.0 -20.7 211 17 266.9 266.9 263.0 267.7 0.28 11 833 1495 -19.7 -34.7 25 15.0 -21.2 213 17 267.0 267.1 263.0 267.8 0.24 12 780 1980 -22.7 -32.7 40 10.0 -23.7 223 17 268.9 268.9 264.5 269.8 0.31 13 752 2248 -23.1 -32.1 44 9.0 -24.1 229 17 271.3 271.3 266.3 272.3 0.34 14 740 2366 -23.1 -33.1 40 10.0 -24.2 231 17 272.5 272.6 267.0 273.5 0.32 15 700 2771 -25.5 -39.5 26 14.0 -26.6 240 17 274.2 274.3 267.9 274.8 0.18 16 633 3497 -27.3 -47.3 13 20.0 -28.6 249 15 280.2 280.2 271.4 280.5 0.08 17 590 4001 -29.7 -39.7 37 10.0 -30.5 255 14 283.1 283.1 273.3 283.8 0.21 18 570 4246 -31.7 -39.7 45 8.0 -32.3 258 13 283.6 283.6 273.6 284.3 0.21 19 500 5160 -37.7 -43.7 53 6.0 -38.0 270 11 287.1 287.1 275.4 287.6 0.16 20 400 6660 -48.9 -53.9 56 5.0 -49.0 320 9 291.4 291.4 277.5 291.7 0.06 21 387 6876 -50.1 -55.1 55 5.0 -50.2 321 9 292.6 292.6 278.0 292.8 0.06 22 300 8490 -62.9 -67.9 51 5.0 -62.9 325 13 296.7 296.7 279.9 296.7 0.01 23 272 9084 -67.9 -72.9 49 5.0 -67.9 325 17 297.8 297.9 280.4 297.9 0.01 24 269 9151 -67.9 -72.9 49 5.0 -67.9 325 16 298.8 298.8 280.8 298.8 0.01 25 250 9590 -67.7 -72.7 49 5.0 -67.7 325 9 305.4 305.4 283.6 305.4 0.01 26 245 9712 -68.5 -73.5 48 5.0 -68.5 326 9 306.0 306.0 283.8 306.0 0.01 27 200 10950 -63.1 -68.1 51 5.0 -63.1 335 5 332.8 332.8 292.5 332.9 0.02 28 186 11396 -62.1 -67.1 51 5.0 -62.1 332 5 341.4 341.4 294.7 341.5 0.02 29 150 12720 -62.9 -68.9 44 6.0 -63.0 325 5 361.7 361.7 299.1 361.8 0.02 30 100 15210 -64.5 -71.5 38 7.0 -64.6 195 1 403.1 403.1 305.6 403.2 0.02 31 70 17370 -66.3 -74.3 32 8.0 -66.4 315 5 442.5 442.6 310.1 442.7 0.02 32 50 19400 -67.1 -75.1 31 8.0 -67.2 130 5 485.4 485.4 313.9 485.5 0.03 33 42 20447 -68.9 -77.9 26 9.0 -69.1 149 13 505.7 505.7 315.4 505.9 0.02 34 30 22470 -66.9 -76.9 23 10.0 -67.2 185 27 562.3 562.3 318.8 562.5 0.04 35 28 22887 -67.1 -77.1 23 10.0 -67.4 572.9 572.9 319.3 573.2 0.04 TRP 272 9084 -67.9 -72.9 49 5.0 -67.9 325 17 297.8 297.9 280.4 297.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5013.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 38.31 % Est. max temperature: -7.00 C = 19.40 F Sfc-Lift cond lev (LCL): 935.39 mb = 629.23 m = 2064.39 ft T: -21.00 C 700-500 lapse rate: 5.11 C/km ThetaE index: 0.00 C Layer 1005.0- 0.0 mb Conv cond level (CCL): 1002.00 mb = 132.99 m = 436.31 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -28.63 C = -19.53 F Cap Strength: 25.35 C Lifted Index: 27.26 C Risk: None Lifted Index @300 mb: 30.30 C Lifted Index @700 mb: 18.66 C Showalter Index: 16.60 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 4.60 C K Index: -28.50 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 4.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 74.09 J/kg Max Up Vert Vel: 12.17 m/s Conv Inhibition (B-): 45770.59 J/kg Cap Strength: 27.08 C Lift Cond Lev (LCL): 866.99 mb = 1196.46 m = 3925.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 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 1005 112 90 1 -1.0 0.0 | 89 11 -11.3 -0.1 1 1000 147 110 1 -0.9 0.3 | 91 11 -11.2 0.2 2 925 711 200 15 5.1 14.1 | 160 15 -5.1 14.0 3 850 1345 210 17 8.5 14.7 | 173 15 -1.8 14.6 4 700 2771 240 17 14.7 8.5 | 208 9 4.5 8.4 5 500 5160 270 11 11.0 -0.0 | 279 1 0.7 -0.1 6 400 6660 320 9 5.8 -6.9 | 32 8 -4.5 -7.0 7 300 8490 325 13 7.5 -10.6 | 15 11 -2.8 -10.8 8 272 9084 325 17 9.8 -13.9 | 2 14 -0.5 -14.0 9 250 9590 325 9 5.2 -7.4 | 34 9 -5.1 -7.5 10 200 10950 335 5 2.1 -4.5 | 60 9 -8.1 -4.7 11 150 12720 325 5 2.9 -4.1 | 60 9 -7.4 -4.2 12 100 15210 195 1 0.3 1.0 | 95 10 -10.0 0.8 13 70 17370 315 5 3.5 -3.5 | 61 8 -6.7 -3.7 14 50 19400 130 5 -3.8 3.2 | 102 14 -14.1 3.1 15 30 22470 185 27 2.4 26.9 | 164 28 -7.9 26.8 Wind Parameters Mean winds (0-6000m): 239.3 at 13.7 knts Storm direction: 269.3 at 10.3 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 122.6 deg Storm rel helicity (0-3000m) pos: 108.2 neg: 0.0 tot: 108.2 m^2/s^2 ave: 36.1 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 5.0 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 3.99 Bulk Shear: 18.58 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 ------------------------------------------------------------------------------- 500 179 6 121 12| 13.0 0.0 13.0| 52.8 0.0 52.8 105.6 0.91| 15.5 14.1 1000 200 11 147 12| 8.6 0.0 8.6| 78.8 0.0 78.8 78.8 0.94| 11.1 10.4 1500 205 13 157 12| 6.0 0.0 6.0| 88.9 0.0 88.9 59.2 0.93| 8.4 7.9 2000 210 14 164 12| 4.6 0.0 4.6| 97.3 0.0 97.3 48.6 0.92| 7.1 6.5 2500 215 14 170 12| 3.7 0.0 3.7|104.7 0.0 104.7 41.9 0.91| 6.3 5.8 3000 220 15 176 11| 2.9 0.0 2.9|108.2 0.0 108.2 36.1 0.88| 5.7 5.0 4000 227 15 184 10| 1.9 0.0 1.9|110.5 0.0 110.5 27.6 0.82| 4.8 4.0 5000 233 14 188 9| 1.2 0.0 1.2|111.4 0.0 111.4 22.3 0.78| 4.2 3.3 6000 239 14 192 7| 0.9 0.0 0.9|113.4 0.0 113.4 18.9 0.75| 4.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251203.00.gif