UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 25 APR 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 1001 113 3.6 -2.4 65 6.0 1.2 250 3 276.7 277.2 274.3 285.5 3.20 1 1000 121 2.8 -1.6 73 4.4 1.0 250 3 276.0 276.5 274.2 285.3 3.40 2 990 202 1.8 -2.7 72 4.5 0.0 248 4 275.7 276.3 273.7 284.4 3.16 3 925 745 -2.1 -5.5 77 3.4 -3.3 235 11 277.2 277.6 273.9 284.8 2.74 4 850 1412 -6.5 -9.9 77 3.4 -7.6 195 23 279.3 279.7 274.2 285.4 2.12 5 700 2900 -16.7 -19.3 80 2.6 -17.3 205 11 284.0 284.2 275.4 287.5 1.18 6 690 3008 -17.5 -20.0 81 2.5 -18.0 205 12 284.3 284.5 275.5 287.7 1.13 7 652 3430 -20.1 -22.9 78 2.8 -20.6 205 17 286.0 286.1 276.0 288.8 0.93 8 629 3697 -19.7 -22.7 77 3.0 -20.3 205 20 289.4 289.6 277.9 292.4 0.98 9 500 5370 -28.9 -32.3 72 3.4 -29.3 205 38 297.8 297.9 281.1 299.5 0.51 10 462 5928 -32.7 -36.0 72 3.3 -33.0 205 44 299.9 299.9 281.8 301.2 0.38 11 400 6920 -40.7 -43.8 72 3.1 -40.9 205 54 302.1 302.1 282.5 302.8 0.20 12 384 7197 -43.1 -46.1 72 3.0 -43.2 206 55 302.5 302.5 282.6 303.1 0.16 13 367 7502 -44.3 -47.3 72 3.0 -44.5 208 56 304.8 304.9 283.5 305.4 0.15 14 308 8652 -55.3 -58.3 69 3.0 -55.4 214 61 305.1 305.1 283.5 305.3 0.05 15 300 8820 -56.3 -59.2 70 2.9 -56.3 215 62 306.0 306.0 283.8 306.2 0.04 16 282 9209 -58.7 -61.7 68 3.0 -58.8 220 62 307.9 307.9 284.6 308.1 0.03 17 267 9548 -60.9 -64.0 67 3.1 -60.9 215 62 309.6 309.7 285.2 309.7 0.03 18 266 9571 -60.9 -64.0 67 3.1 -60.9 215 61 310.0 310.0 285.4 310.1 0.03 19 252 9910 -56.1 -59.3 67 3.2 -56.2 215 41 321.9 321.9 289.4 322.1 0.05 20 250 9960 -55.7 -59.0 66 3.3 -55.8 215 38 323.3 323.3 289.8 323.5 0.05 21 230 10493 -53.7 -57.2 65 3.5 -53.8 211 32 334.1 334.1 292.9 334.4 0.07 22 213 10990 -51.1 -55.0 63 3.9 -51.2 208 27 345.6 345.6 295.7 346.0 0.10 23 200 11400 -50.5 -55.3 57 4.8 -50.7 205 23 352.8 352.8 297.3 353.3 0.11 24 150 13290 -49.5 -59.5 30 10.0 -50.0 180 13 384.8 384.8 303.1 385.2 0.08 25 139 13786 -49.7 -62.7 20 13.0 -50.3 179 12 392.9 392.9 304.2 393.2 0.06 26 122 14639 -47.9 -62.9 16 15.0 -48.7 177 11 411.1 411.1 306.7 411.5 0.07 27 100 15940 -49.5 -67.5 10 18.0 -50.4 175 9 432.1 432.1 309.1 432.3 0.04 28 70 18280 -50.5 -71.5 7 21.0 -51.7 110 5 476.3 476.4 313.2 476.6 0.04 29 50 20470 -50.5 -72.5 6 22.0 -52.1 155 5 524.5 524.5 316.6 524.7 0.04 30 30 23790 -51.3 -74.3 5 23.0 -53.5 105 9 604.8 604.8 320.9 605.2 0.05 31 21 26103 -52.9 -75.9 5 23.0 -55.4 92 9 664.9 664.9 323.3 665.4 0.06 32 20 26420 -51.1 -74.1 5 23.0 -54.1 90 9 679.8 679.8 323.8 680.5 0.08 33 10 31000 -43.5 -69.5 4 26.0 -51.5 120 7 857.2 857.3 328.6 860.7 0.33 34 9.1 31634 -43.7 -69.7 4 26.0 -52.0 879.8 880.0 329.1 883.7 0.35 TRP 267 9548 -60.9 -64.0 67 3.1 -60.9 215 62 309.6 309.7 285.2 309.7 0.03 WND 282 9209 -58.7 -61.7 68 3.0 -58.8 220 62 307.9 307.9 284.6 308.1 0.03 Sounding variables and indices 1000-500 mb thick: 5249.00 m Freezing level: 960.00 mb = 452.65 m = 1485.06 ft Wetbulb zero: 989.62 mb = 205.18 m = 673.16 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 76.69 % Est. max temperature: 6.24 C = 43.23 F Sfc-Lift cond lev (LCL): 912.22 mb = 854.76 m = 2804.30 ft T: -2.82 C 700-500 lapse rate: 4.94 C/km ThetaE index: 1.06 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 864.21 mb = 1281.23 m = 4203.46 ft Mean mixing ratio: 2.91 g/kg Conv temperature: 5.85 C = 42.52 F Cap Strength: 6.06 C Lifted Index: 11.33 C Risk: None Lifted Index @300 mb: 15.11 C Lifted Index @700 mb: 2.56 C Showalter Index: 10.87 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 19.00 C K Index: 9.90 Risk: None Sweat Index: 84.00 Risk: None Energy Index: 2.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.48 J/kg Max Up Vert Vel: 3.60 m/s Conv Inhibition (B-): 67492.81 J/kg Cap Strength: 11.14 C Lift Cond Lev (LCL): 894.22 mb = 1011.93 m = 3319.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 235 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 1001 113 250 3 2.8 1.0 | 52 14 -10.9 -8.6 1 1000 121 250 3 2.8 1.0 | 52 14 -10.9 -8.6 2 925 745 235 11 9.0 6.3 | 55 6 -4.7 -3.3 3 850 1412 195 23 6.0 22.2 | 148 15 -7.7 12.6 4 700 2900 205 11 4.6 10.0 | 92 9 -9.1 0.3 5 500 5370 205 38 16.1 34.4 | 185 25 2.4 24.8 6 400 6920 205 54 22.8 48.9 | 193 40 9.1 39.3 7 300 8820 215 62 35.6 50.8 | 208 47 21.9 41.2 8 282 9209 220 62 39.9 47.5 | 215 46 26.2 37.9 9 267 9548 215 62 35.6 50.8 | 208 47 21.9 41.2 10 250 9960 215 38 21.8 31.1 | 201 23 8.1 21.5 11 200 11400 205 23 9.7 20.8 | 160 12 -4.0 11.2 12 150 13290 180 13 0.0 13.0 | 104 14 -13.7 3.4 13 100 15940 175 9 -0.8 9.0 | 87 15 -14.5 -0.7 14 70 18280 110 5 -4.7 1.7 | 67 20 -18.4 -7.9 15 50 20470 155 5 -2.1 4.5 | 72 17 -15.8 -5.1 16 30 23790 105 9 -8.7 2.3 | 72 24 -22.4 -7.3 17 20 26420 90 9 -9.0 0.0 | 67 25 -22.7 -9.6 18 10 31000 120 7 -6.1 3.5 | 73 21 -19.8 -6.1 Wind Parameters Mean winds (0-6000m): 204.9 at 22.3 knts Storm direction: 234.9 at 16.7 knts Shear (0-3000m) pos: 1.4 neg: 3.4 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 55.2 deg Storm rel helicity (0-3000m) pos: 16.7 neg: -28.9 tot: -12.2 m^2/s^2 ave: -4.1 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 41.78 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 ------------------------------------------------------------------------------- 500 241 6 51 11| 0.0 6.6 6.6| 0.4 -1.5 -1.1 -2.2 -0.04| 6.6 -0.3 1000 229 10 63 7| 0.0 7.9 7.9| 9.4 -1.5 7.9 7.9 0.42| 8.7 3.7 1500 212 13 105 7| 0.0 6.8 6.8| 11.9 -5.3 6.6 4.4 0.27| 9.2 2.5 2000 207 15 118 8| 1.1 5.1 6.2| 11.9 -14.2 -2.3 -1.2 0.14| 8.0 1.1 2500 205 15 119 8| 1.7 4.1 5.8| 11.9 -23.7 -11.8 -4.7 0.01| 7.3 0.1 3000 205 15 116 8| 1.4 3.4 4.8| 16.7 -28.9 -12.2 -4.1 0.01| 6.8 0.1 4000 205 16 123 8| 1.1 3.9 5.0| 40.9 -28.9 12.0 3.0 0.20| 6.5 1.3 5000 205 19 141 9| 0.9 4.2 5.1| 65.0 -28.9 36.1 7.2 0.25| 6.3 1.6 6000 205 22 158 11| 0.7 4.4 5.2| 88.2 -28.9 59.3 9.9 0.26| 6.2 1.6 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20250425.12.gif