UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 28 DEC 25 Station: CYRB WMO ident: 71924 Latitude: 74.70 Longitude: -94.97 Elevation: 46.00 ------------------------------------------------------------------------------- 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 1017 46 -21.1 -23.5 81 2.4 -21.4 60 19 250.8 250.9 250.7 252.3 0.56 1 1015 61 -18.1 -22.7 67 4.6 -18.7 254.0 254.1 253.5 255.6 0.61 2 1010 98 -17.1 -22.1 65 5.0 -17.9 255.3 255.4 254.7 257.1 0.64 3 1000 174 -17.5 -23.5 59 6.0 -18.3 60 10 255.6 255.7 254.8 257.2 0.57 4 929 719 -22.7 -24.7 84 2.0 -22.9 255.8 255.9 254.9 257.3 0.56 5 925 751 -22.7 -24.7 84 2.0 -22.9 90 11 256.1 256.2 255.2 257.6 0.56 6 850 1367 -26.1 -29.5 73 3.4 -26.4 70 12 258.8 258.9 257.0 259.9 0.39 7 700 2745 -35.5 -39.3 68 3.8 -35.7 85 16 263.2 263.2 260.0 263.7 0.18 8 670 3049 -37.1 -40.7 69 3.6 -37.3 264.7 264.7 261.2 265.2 0.16 9 661 3142 -36.7 -40.2 70 3.5 -36.9 266.2 266.2 262.3 266.7 0.17 10 638 3387 -37.3 -41.4 66 4.1 -37.5 268.2 268.2 263.7 268.7 0.16 11 625 3529 -38.1 -39.3 88 1.2 -38.2 268.9 268.9 264.3 269.5 0.20 12 616 3629 -38.7 -45.7 48 7.0 -39.0 269.3 269.3 264.4 269.6 0.10 13 612 3673 -38.9 -45.9 48 7.0 -39.2 269.6 269.6 264.6 269.9 0.10 14 588 3947 -40.1 -47.1 47 7.0 -40.4 271.3 271.3 265.7 271.6 0.09 15 574 4111 -40.5 -53.5 24 13.0 -40.9 272.7 272.7 266.6 272.8 0.05 16 538 4550 -43.1 -51.1 41 8.0 -43.3 274.7 274.7 268.0 274.9 0.06 17 533 4613 -43.5 -54.5 29 11.0 -43.7 274.9 274.9 268.1 275.1 0.04 18 517 4817 -44.7 -52.7 40 8.0 -44.9 275.9 275.9 268.7 276.1 0.06 19 500 5040 -45.9 -54.9 35 9.0 -46.1 115 15 277.1 277.1 269.4 277.2 0.04 20 436 5937 -51.5 -61.5 29 10.0 -51.7 281.0 281.0 271.8 281.1 0.02 21 408 6364 -54.1 -62.1 37 8.0 -54.2 283.1 283.1 273.0 283.1 0.02 22 400 6490 -54.5 -62.5 37 8.0 -54.6 125 18 284.2 284.2 273.6 284.2 0.02 23 386 6718 -54.7 -61.7 42 7.0 -54.8 286.8 286.8 275.0 286.9 0.02 24 323 7852 -57.7 -67.7 27 10.0 -57.8 130 18 297.7 297.7 280.3 297.7 0.01 25 300 8320 -56.3 -72.3 12 16.0 -56.5 145 15 306.0 306.0 283.8 306.0 0.01 26 292 8492 -55.5 -73.5 9 18.0 -55.6 309.5 309.5 285.1 309.5 0.01 27 254 9379 -55.1 -78.1 4 23.0 -55.3 322.7 322.7 289.6 322.7 0.00 28 250 9480 -55.5 -78.5 4 23.0 -55.7 140 11 323.6 323.6 289.8 323.6 0.00 29 244 9635 -56.1 -78.1 5 22.0 -56.3 324.9 324.9 290.2 324.9 0.00 30 219 10327 -54.3 -81.3 2 27.0 -54.6 337.9 337.9 293.8 337.9 0.00 31 200 10910 -54.7 -81.7 2 27.0 -55.0 145 4 346.1 346.1 295.8 346.2 0.00 32 150 12730 -57.7 -84.7 2 27.0 -58.0 255 6 370.7 370.7 300.7 370.7 0.00 33 138 13259 -56.7 -84.7 2 28.0 -57.1 381.4 381.4 302.5 381.4 0.00 34 122 14035 -60.3 -85.3 2 25.0 -60.5 388.5 388.5 303.6 388.5 0.00 35 109 14736 -61.9 -85.9 3 24.0 -62.1 398.2 398.2 305.0 398.2 0.00 36 100 15270 -62.3 -86.3 3 24.0 -62.5 265 11 407.4 407.4 306.2 407.4 0.00 37 70 17450 -67.3 -88.3 4 21.0 -67.5 145 2 440.4 440.4 309.9 440.4 0.00 38 52 19219 -71.9 -89.9 5 18.0 -72.0 468.8 468.8 312.5 468.8 0.00 39 50 19450 -71.5 -89.5 5 18.0 -71.6 300 8 475.0 475.0 313.1 475.0 0.00 40 30 22450 -74.1 -92.1 5 18.0 -74.2 320 22 542.6 542.6 317.7 542.6 0.00 41 25 23510 -75.3 -93.3 4 18.0 -75.4 568.2 568.2 319.0 568.2 0.00 42 20 24810 -73.1 -93.1 3 20.0 -73.3 335 42 612.4 612.4 321.2 612.4 0.00 43 17 25761 -73.7 -93.7 3 20.0 -74.0 639.6 639.6 322.3 639.6 0.00 44 16 26118 -70.1 -92.1 3 22.0 -70.6 662.6 662.6 323.2 662.6 0.00 45 10 28950 -64.9 -91.9 1 27.0 -66.2 340 70 777.3 777.3 326.7 777.4 0.01 46 8.6 29878 -61.5 -90.5 1 29.0 -63.7 824.8 824.8 327.8 824.9 0.01 47 8.3 30098 -61.7 -90.7 1 29.0 -64.0 832.4 832.4 328.0 832.5 0.01 48 7.0 31168 -55.7 -87.7 1 32.0 -60.1 898.8 898.8 329.4 899.0 0.03 49 6.5 31638 -57.3 -87.3 1 30.0 -61.3 911.3 911.3 329.7 911.6 0.03 TRP 323 7852 -57.7 -67.7 27 10.0 -57.8 130 18 297.7 297.7 280.3 297.7 0.01 WND 6.0 335 101 Sounding variables and indices 1000-500 mb thick: 4866.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 61.62 % Est. max temperature: -13.73 C = 7.29 F Sfc-Lift cond lev (LCL): 977.40 mb = 343.29 m = 1126.27 ft T: -19.11 C 700-500 lapse rate: 4.53 C/km ThetaE index: 0.00 C Layer 1017.0- -0.0 mb Conv cond level (CCL): 871.09 mb = 1188.42 m = 3898.97 ft Mean mixing ratio: 0.57 g/kg Conv temperature: -13.88 C = 7.01 F Cap Strength: 15.51 C Lifted Index: 16.37 C Risk: None Lifted Index @300 mb: 34.56 C Lifted Index @700 mb: 5.79 C Showalter Index: 14.14 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 16.40 C K Index: -13.50 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 3.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.71 J/kg Max Up Vert Vel: 2.73 m/s Conv Inhibition (B-): 60789.77 J/kg Cap Strength: 16.10 C Lift Cond Lev (LCL): 905.34 mb = 907.52 m = 2977.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 6 41113 335 101 42.7 -91.5 1 1017 46 60 19 -16.5 -9.5 2 1000 174 60 10 -8.7 -5.0 3 982 305 70 10 -9.4 -3.4 4 943 610 90 11 -11.0 0.0 5 925 751 90 11 -11.0 0.0 6 904 914 65 10 -9.1 -4.2 7 867 1219 80 13 -12.8 -2.3 8 850 1367 70 12 -11.3 -4.1 9 831 1524 85 13 -13.0 -1.1 10 796 1829 80 15 -14.8 -2.6 11 763 2134 80 17 -16.7 -3.0 12 731 2438 70 19 -17.9 -6.5 13 700 2743 85 16 -15.9 -1.4 14 700 2745 85 16 -15.9 -1.4 15 670 3048 100 17 -16.7 3.0 16 640 3353 105 23 -22.2 6.0 17 612 3658 110 17 -16.0 5.8 18 586 3962 110 16 -15.0 5.5 19 560 4267 125 15 -12.3 8.6 20 536 4572 105 13 -12.6 3.4 21 512 4877 115 15 -13.6 6.3 22 500 5040 115 15 -13.6 6.3 23 467 5486 105 14 -13.5 3.6 24 425 6096 140 17 -10.9 13.0 25 406 6401 125 15 -12.3 8.6 26 400 6490 125 18 -14.7 10.3 27 369 7010 155 17 -7.2 15.4 28 335 7620 165 20 -5.2 19.3 29 323 7852 130 18 -13.8 11.6 30 319 7925 130 19 -14.6 12.2 31 300 8320 145 15 -8.6 12.3 32 276 8839 160 11 -3.8 10.3 33 264 9144 150 10 -5.0 8.7 34 250 9480 140 11 -7.1 8.4 35 240 9754 175 12 -1.0 12.0 36 228 10058 170 10 -1.7 9.8 37 218 10363 195 10 2.6 9.7 38 208 10668 165 5 -1.3 4.8 39 200 10910 145 4 -2.3 3.3 40 150 12730 255 6 5.8 1.6 41 122 14021 110 10 -9.4 3.4 42 111 14630 170 2 -0.3 2.0 43 105 14935 220 10 6.4 7.7 44 100 15240 250 12 11.3 4.1 45 100 15270 265 11 11.0 1.0 46 96 15545 265 11 11.0 1.0 47 70 17450 145 2 -1.1 1.6 48 67 17678 130 1 -0.8 0.6 49 55 18898 270 14 14.0 -0.0 50 52 19202 305 13 10.6 -7.5 51 50 19450 300 8 6.9 -4.0 52 50 19507 290 11 10.3 -3.8 53 40 20726 270 16 16.0 -0.0 54 38 21031 300 15 13.0 -7.5 55 36 21336 295 21 19.0 -8.9 56 34 21641 300 21 18.2 -10.5 57 31 22250 330 20 10.0 -17.3 58 30 22450 320 22 14.1 -16.9 59 29 22555 300 19 16.5 -9.5 60 28 22860 320 22 14.1 -16.9 61 25 23470 335 25 10.6 -22.7 62 24 23774 325 21 12.0 -17.2 63 22 24384 320 37 23.8 -28.3 64 20 24810 335 42 17.7 -38.1 65 18 25603 330 48 24.0 -41.6 66 17 25908 345 45 11.6 -43.5 67 15 26518 330 37 18.5 -32.0 68 14 27127 325 41 23.5 -33.6 69 13 27432 325 52 29.8 -42.6 70 11 28346 345 70 18.1 -67.6 71 10 28950 340 70 23.9 -65.8 72 10 28956 340 91 31.1 -85.5 73 8 29566 340 66 22.6 -62.0 74 7 30175 335 89 37.6 -80.7 Wind Parameters Energy-Hel index: -0.23 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251228.12.gif