UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 17 APR 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 47 -13.1 -17.3 71 4.2 -13.9 50 1 260.0 260.1 259.2 262.6 0.98 1 1000 55 -12.7 -17.7 66 5.0 -13.7 50 1 260.5 260.6 259.5 263.0 0.95 2 999 63 -12.7 -18.7 61 6.0 -13.8 49 1 260.5 260.7 259.4 262.9 0.87 3 998 70 -9.3 -14.2 67 4.9 -10.5 48 1 264.0 264.2 262.8 267.5 1.27 4 930 615 -11.1 -16.1 67 5.0 -12.2 322 8 267.5 267.7 265.2 270.8 1.17 5 925 656 -10.9 -15.9 67 5.0 -12.1 315 9 268.2 268.4 265.7 271.5 1.19 6 886 987 -9.3 -14.3 67 5.0 -10.6 295 9 273.1 273.4 269.4 277.2 1.42 7 850 1306 -11.3 -17.3 61 6.0 -12.7 275 9 274.3 274.5 269.7 277.6 1.16 8 700 2771 -20.1 -28.1 49 8.0 -21.2 275 13 280.2 280.3 272.2 281.9 0.54 9 638 3454 -23.9 -29.9 58 6.0 -24.7 252 12 283.4 283.5 274.0 285.0 0.50 10 500 5190 -36.7 -42.7 54 6.0 -37.1 190 9 288.3 288.3 276.1 288.9 0.18 11 494 5274 -37.5 -43.5 53 6.0 -37.8 193 9 288.3 288.3 276.0 288.9 0.16 12 483 5429 -38.1 -44.1 53 6.0 -38.4 199 9 289.4 289.5 276.6 290.0 0.16 13 400 6720 -40.9 -55.9 18 15.0 -41.4 245 7 301.8 301.8 282.2 302.0 0.05 14 360 7431 -43.7 -62.7 10 19.0 -44.2 234 12 307.3 307.3 284.3 307.4 0.02 15 343 7755 -44.3 -64.3 9 20.0 -44.8 229 14 310.8 310.8 285.6 310.9 0.02 16 309 8453 -45.1 -67.1 7 22.0 -45.6 218 20 319.1 319.1 288.5 319.1 0.01 17 300 8650 -44.7 -66.7 7 22.0 -45.3 215 21 322.4 322.4 289.5 322.4 0.02 18 299 8672 -44.3 -66.3 7 22.0 -44.9 215 21 323.2 323.2 289.8 323.3 0.02 19 258 9652 -46.9 -68.9 6 22.0 -47.4 220 25 333.3 333.3 292.6 333.4 0.01 20 250 9860 -46.7 -69.7 6 23.0 -47.2 230 23 336.6 336.6 293.5 336.7 0.01 21 242 10076 -45.9 -68.9 6 23.0 -46.5 229 23 341.0 341.0 294.6 341.0 0.01 22 226 10529 -47.5 -70.5 5 23.0 -48.0 228 22 345.3 345.3 295.6 345.3 0.01 23 200 11340 -45.7 -71.7 4 26.0 -46.4 225 21 360.4 360.4 298.8 360.5 0.01 24 189 11719 -44.5 -70.5 4 26.0 -45.4 225 19 368.2 368.2 300.2 368.3 0.02 25 176 12196 -46.9 -72.9 4 26.0 -47.6 225 17 371.9 371.9 300.9 371.9 0.01 26 164 12666 -46.1 -72.1 4 26.0 -47.0 225 15 380.8 380.8 302.4 380.8 0.01 27 158 12914 -47.3 -73.3 4 26.0 -48.1 225 14 382.8 382.8 302.7 382.9 0.01 28 153 13128 -45.9 -71.9 4 26.0 -46.9 225 14 388.8 388.8 303.6 388.8 0.02 29 150 13260 -46.7 -72.7 4 26.0 -47.6 225 13 389.6 389.6 303.8 389.7 0.01 30 141 13667 -48.3 -73.3 4 25.0 -49.1 226 13 393.7 393.7 304.3 393.8 0.01 31 138 13809 -46.5 -72.5 4 26.0 -47.5 226 13 399.3 399.4 305.1 399.4 0.02 32 100 15930 -48.7 -73.7 4 25.0 -49.7 230 11 433.6 433.6 309.2 433.7 0.02 33 88 16769 -51.1 -75.1 4 24.0 -52.0 243 12 445.0 445.0 310.4 445.1 0.02 34 79 17473 -50.7 -74.7 4 24.0 -51.7 253 12 459.7 459.7 311.8 459.8 0.02 35 70 18260 -52.3 -76.3 4 24.0 -53.3 265 13 472.5 472.5 312.8 472.6 0.02 36 64 18838 -52.5 -76.5 4 24.0 -53.5 266 11 484.3 484.3 313.8 484.4 0.02 37 63 18940 -52.7 -76.7 4 24.0 -53.7 267 10 486.1 486.1 314.0 486.2 0.02 38 59 19360 -55.1 -79.1 4 24.0 -55.9 268 9 489.9 489.9 314.2 490.0 0.01 39 55 19809 -53.7 -77.7 4 24.0 -54.8 269 7 503.0 503.0 315.2 503.1 0.02 40 51 20293 -53.7 -77.7 4 24.0 -54.8 270 5 514.0 514.0 315.9 514.1 0.02 41 50 20420 -54.3 -78.3 4 24.0 -55.4 270 5 515.5 515.5 316.0 515.6 0.02 42 46 20953 -55.1 -79.1 4 24.0 -56.2 267 6 526.0 526.0 316.7 526.1 0.02 43 45 21093 -55.7 -79.7 3 24.0 -56.7 266 6 527.9 527.9 316.8 528.0 0.02 44 42 21532 -54.9 -78.9 4 24.0 -56.1 263 6 540.4 540.4 317.5 540.5 0.02 45 41 21686 -56.1 -79.1 4 23.0 -57.2 262 7 541.1 541.1 317.6 541.3 0.02 46 41 21686 -56.3 -79.3 4 23.0 -57.3 262 7 540.6 540.6 317.6 540.8 0.02 47 39 22003 -55.9 -79.9 3 24.0 -57.1 260 7 549.4 549.4 318.1 549.5 0.02 48 39 22003 -55.1 -79.1 4 24.0 -56.3 260 7 551.5 551.5 318.2 551.6 0.02 49 38 22169 -56.7 -79.7 4 23.0 -57.8 259 7 551.5 551.5 318.2 551.6 0.02 50 33 23064 -55.7 -79.7 3 24.0 -57.1 254 8 576.9 576.9 319.5 577.0 0.02 51 32 23260 -55.7 -79.7 3 24.0 -57.1 253 8 582.0 582.0 319.8 582.1 0.02 52 30 23670 -56.3 -79.3 4 23.0 -57.6 250 9 591.2 591.2 320.2 591.3 0.02 53 26 24576 -57.5 -80.5 4 23.0 -58.8 234 12 612.4 612.5 321.2 612.6 0.02 54 25 24825 -55.3 -79.3 4 24.0 -57.1 230 13 625.7 625.7 321.7 625.9 0.03 55 24 25084 -56.1 -79.1 4 23.0 -57.8 225 13 630.7 630.7 321.9 630.9 0.03 56 24 25084 -54.9 -78.9 4 24.0 -56.8 225 13 634.2 634.2 322.1 634.4 0.03 57 22 25643 -52.5 -76.5 4 24.0 -55.0 216 15 657.3 657.3 323.0 657.7 0.05 58 21 25944 -51.9 -75.9 4 24.0 -54.6 210 16 667.9 668.0 323.4 668.4 0.06 59 20 26260 -52.3 -76.3 4 24.0 -55.1 205 17 676.1 676.1 323.6 676.6 0.06 60 19 26592 -52.7 -76.7 4 24.0 -55.5 203 17 684.8 684.9 324.0 685.3 0.06 61 17 27310 -53.1 -77.1 4 24.0 -56.0 199 18 705.7 705.7 324.6 706.2 0.06 62 17 27310 -50.7 -74.7 4 24.0 -54.2 199 18 713.4 713.4 324.8 714.2 0.09 63 16 27705 -51.5 -75.5 4 24.0 -54.9 197 19 723.3 723.3 325.2 724.0 0.08 64 15 28127 -48.9 -73.9 4 25.0 -53.4 195 19 745.4 745.4 325.8 746.4 0.12 65 14 28584 -45.5 -71.5 4 26.0 -51.4 192 20 771.7 771.8 326.5 773.4 0.18 66 12 29611 -46.1 -72.1 4 26.0 -52.4 187 21 804.4 804.5 327.4 806.3 0.19 67 12 29611 -44.9 -70.9 4 26.0 -51.7 187 21 808.7 808.8 327.5 810.9 0.22 68 11 30195 -43.5 -69.5 4 26.0 -51.2 183 22 834.1 834.3 328.1 837.2 0.30 69 10 30840 -40.9 -67.9 4 27.0 -50.2 180 23 866.9 867.1 328.8 871.3 0.41 70 10 30840 -41.3 -68.3 4 27.0 -50.4 180 23 865.4 865.6 328.8 869.6 0.39 71 9.4 31261 -40.1 -67.1 4 27.0 -50.1 885.4 885.7 329.2 890.8 0.49 72 9.0 31556 -43.1 -69.1 4 26.0 -51.8 884.9 885.1 329.2 889.2 0.39 73 8.3 32103 -42.3 -69.3 4 27.0 -51.7 908.8 909.0 329.7 913.4 0.41 74 8.1 32267 -44.1 -70.1 4 26.0 -52.7 908.0 908.2 329.7 912.2 0.37 75 7.8 32522 -41.5 -68.5 4 27.0 -51.6 928.3 928.6 330.1 933.9 0.48 76 7.5 32786 -44.3 -70.3 4 26.0 -53.1 927.4 927.7 330.0 931.9 0.39 77 7.4 32876 -43.9 -69.9 4 26.0 -53.0 932.6 932.9 330.1 937.5 0.42 TRP 258 9652 -46.9 -68.9 6 22.0 -47.4 220 25 333.3 333.3 292.6 333.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5135.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 57.64 % Est. max temperature: 1.20 C = 34.17 F Sfc-Lift cond lev (LCL): 935.12 mb = 572.25 m = 1877.44 ft T: -10.96 C 700-500 lapse rate: 6.86 C/km ThetaE index: 0.12 C Layer 999.0- 998.0 mb Conv cond level (CCL): 724.61 mb = 2510.28 m = 8235.74 ft Mean mixing ratio: 1.22 g/kg Conv temperature: 6.11 C = 43.01 F Cap Strength: 12.44 C Lifted Index: 15.08 C Risk: None Lifted Index @300 mb: 37.02 C Lifted Index @700 mb: 10.29 C Showalter Index: 9.10 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 19.40 C K Index: 0.10 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.28 J/kg Max Up Vert Vel: 6.97 m/s Conv Inhibition (B-): 69302.52 J/kg Cap Strength: 14.95 C Lift Cond Lev (LCL): 876.61 mb = 1069.09 m = 3507.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 7 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 47 50 1 -0.8 -0.6 | 100 8 -7.8 1.4 1 1000 55 50 1 -0.8 -0.6 | 100 8 -7.8 1.4 2 925 656 315 9 6.4 -6.4 | 9 4 -0.7 -4.3 3 850 1306 275 9 9.0 -0.8 | 236 2 1.9 1.3 4 700 2771 275 13 13.0 -1.1 | 261 6 5.9 0.9 5 500 5190 190 9 1.6 8.9 | 153 12 -5.5 10.9 6 400 6720 245 7 6.3 3.0 | 172 5 -0.7 5.0 7 300 8650 215 21 12.0 17.2 | 194 20 5.0 19.3 8 258 9652 220 25 16.1 19.2 | 203 23 9.0 21.2 9 250 9860 230 23 17.6 14.8 | 212 20 10.5 16.9 10 200 11340 225 21 14.8 14.8 | 205 19 7.8 16.9 11 150 13260 225 13 9.2 9.2 | 191 11 2.1 11.3 12 100 15930 230 11 8.4 7.1 | 188 9 1.4 9.1 13 70 18260 265 13 13.0 1.1 | 241 7 5.9 3.2 14 50 20420 270 5 5.0 -0.0 | 135 3 -2.1 2.1 15 30 23670 250 9 8.5 3.1 | 195 5 1.4 5.2 16 20 26260 205 17 7.2 15.4 | 180 17 0.1 17.5 17 10 30840 180 23 0.0 23.0 | 164 26 -7.1 25.1 Wind Parameters Mean winds (0-6000m): 256.3 at 9.8 knts Storm direction: 286.3 at 7.4 knts Shear (0-3000m) pos: 0.0 neg: 2.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 139.9 deg Storm rel helicity (0-3000m) pos: 1.5 neg: -26.2 tot: -24.7 m^2/s^2 ave: -8.2 10^-3 m/s^2 rel: -0.68 Storm rel vorticity (0-3000m) horiz: 4.1 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.75 Bulk Shear: 13.85 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 ------------------------------------------------------------------------------- 500 340 4 71 6| 0.0 7.6 7.6| 0.0 -16.5 -16.5 -33.0 -0.93| 9.2 -8.5 1000 311 7 44 3| 0.0 4.9 4.9| 0.0 -21.6 -21.6 -21.6 -0.86| 8.0 -6.9 1500 298 7 21 1| 0.0 3.6 3.6| 0.2 -22.7 -22.5 -15.0 -0.83| 6.4 -5.3 2000 290 8 322 1| 0.0 3.0 3.0| 0.7 -22.7 -22.0 -11.0 -0.74| 5.2 -3.8 2500 286 9 282 1| 0.0 2.7 2.7| 1.3 -22.7 -21.5 -8.6 -0.67| 4.4 -3.0 3000 283 9 270 2| 0.0 2.3 2.3| 1.5 -26.2 -24.7 -8.2 -0.68| 4.1 -2.8 4000 273 10 244 3| 0.0 1.5 1.5| 1.5 -39.6 -38.2 -9.5 -0.74| 4.1 -3.0 5000 265 10 226 4| 0.0 1.0 1.0| 1.5 -55.7 -54.2 -10.8 -0.76| 3.9 -3.0 6000 256 10 209 5| 0.3 0.9 1.2| 7.5 -57.5 -50.0 -8.3 -0.64| 3.7 -2.3 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250417.00.gif