UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121900.upa.cvt Date: 0000Z 19 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:0000Z 19 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 ------------------------------------------------------------------------------- 0 1000 -15 120 10 SFC 992 46 -30.9 -34.0 74 3.1 -31.1 120 10 242.8 242.8 242.6 243.4 0.22 2 985 96 -28.5 -31.5 75 3.0 -28.7 126 11 245.7 245.8 245.4 246.5 0.28 3 954 323 -30.3 -31.5 89 1.2 -30.4 150 14 246.1 246.2 245.9 246.9 0.29 4 929 511 -28.1 -31.3 74 3.2 -28.3 150 16 250.3 250.3 249.6 251.1 0.30 5 925 542 -28.5 -31.4 76 2.9 -28.7 150 16 250.2 250.2 249.5 251.0 0.30 6 912 643 -29.3 -31.3 83 2.0 -29.5 146 18 250.4 250.4 249.7 251.2 0.31 7 907 683 -28.9 -30.0 90 1.1 -29.0 147 19 251.2 251.2 250.5 252.1 0.35 8 899 746 -26.5 -29.5 76 3.0 -26.8 150 20 254.3 254.3 253.2 255.3 0.37 9 876 934 -25.7 -28.7 76 3.0 -26.0 155 22 257.0 257.1 255.6 258.1 0.41 10 850 1152 -25.7 -28.6 77 2.9 -26.0 160 23 259.2 259.3 257.4 260.4 0.42 11 825 1368 -26.5 -29.9 73 3.4 -26.8 155 23 260.6 260.7 258.5 261.7 0.39 12 700 2545 -30.5 -36.5 56 6.0 -30.9 160 19 268.7 268.7 264.2 269.4 0.24 13 698 2565 -30.5 -36.5 56 6.0 -30.9 159 19 268.9 269.0 264.4 269.7 0.24 14 629 3298 -35.1 -39.4 65 4.3 -35.4 150 19 271.8 271.8 266.3 272.4 0.20 15 579 3873 -36.9 -41.9 60 5.0 -37.2 163 18 276.2 276.2 269.1 276.7 0.17 16 557 4141 -37.9 -45.9 43 8.0 -38.2 162 16 278.1 278.1 270.2 278.5 0.11 17 552 4203 -37.7 -52.7 19 15.0 -38.2 159 16 279.1 279.1 270.7 279.2 0.05 18 536 4405 -38.7 -55.7 15 17.0 -39.2 151 15 280.2 280.2 271.4 280.4 0.04 19 519 4626 -40.1 -53.1 24 13.0 -40.5 147 17 281.1 281.1 271.9 281.3 0.05 20 500 4880 -40.7 -60.7 10 20.0 -41.2 155 25 283.4 283.4 273.2 283.5 0.02 21 475 5229 -41.5 -59.5 13 18.0 -42.0 152 34 286.6 286.6 274.9 286.7 0.03 22 461 5432 -41.1 -63.1 8 22.0 -41.6 150 40 289.6 289.6 276.5 289.6 0.02 23 424 5999 -42.7 -63.7 8 21.0 -43.2 146 55 294.5 294.5 278.9 294.6 0.02 24 400 6390 -44.9 -58.9 19 14.0 -45.3 145 71 296.6 296.6 279.9 296.8 0.03 25 369 6926 -47.9 -59.9 24 12.1 -48.1 145 78 299.6 299.6 281.2 299.7 0.03 26 353 7217 -49.5 -60.5 26 11.0 -49.7 143 77 301.2 301.2 281.9 301.4 0.03 27 314 7977 -53.7 -64.7 25 11.0 -53.9 143 70 305.6 305.6 283.7 305.7 0.02 28 300 8270 -53.9 -70.9 11 17.0 -54.1 145 65 309.4 309.4 285.1 309.4 0.01 29 282 8664 -55.7 -73.7 9 18.0 -55.9 145 61 312.3 312.3 286.2 312.3 0.01 30 274 8847 -54.7 -75.7 6 21.0 -54.9 145 53 316.3 316.3 287.5 316.4 0.00 31 264 9083 -56.1 -77.1 6 21.0 -56.3 141 49 317.7 317.7 288.0 317.7 0.00 32 252 9379 -53.7 -79.7 3 26.0 -53.9 136 46 325.5 325.5 290.4 325.5 0.00 33 250 9430 -53.9 -79.9 3 26.0 -54.2 135 45 325.9 325.9 290.6 325.9 0.00 34 239 9719 -53.5 -80.5 2 27.0 -53.8 132 42 330.8 330.8 291.9 330.8 0.00 35 222 10192 -55.1 -81.1 3 26.0 -55.4 126 36 335.4 335.4 293.2 335.4 0.00 36 200 10860 -53.7 -82.7 2 29.0 -54.0 130 25 347.7 347.7 296.1 347.7 0.00 37 172 11832 -52.9 -83.9 1 31.0 -53.3 109 26 364.4 364.4 299.5 364.4 0.00 38 164 12138 -55.1 -84.1 2 29.0 -55.4 97 29 365.7 365.7 299.8 365.7 0.00 39 162 12217 -54.1 -84.1 1 30.0 -54.5 95 28 368.7 368.7 300.3 368.7 0.00 40 150 12710 -55.1 -85.1 1 30.0 -55.5 100 13 375.1 375.1 301.5 375.1 0.00 41 133 13473 -56.9 -85.9 1 29.0 -57.2 75 17 385.1 385.1 303.1 385.1 0.00 42 131 13569 -55.3 -85.3 1 30.0 -55.7 75 15 389.6 389.6 303.8 389.6 0.00 43 100 15270 -59.9 -86.9 2 27.0 -60.2 70 5 412.0 412.0 306.7 412.0 0.00 44 90 15926 -62.7 -87.7 2 25.0 -62.9 37 12 419.0 419.0 307.6 419.0 0.00 45 70 17470 -64.9 -88.9 2 24.0 -65.1 15 6 445.5 445.5 310.4 445.5 0.00 46 50 19500 -68.3 -91.3 2 23.0 -68.5 355 12 482.5 482.5 313.7 482.5 0.00 47 36 21450 -71.9 -91.9 3 20.0 -72.1 352 21 520.8 520.8 316.4 520.8 0.00 48 30 22530 -69.5 -91.5 3 22.0 -69.8 330 34 555.2 555.2 318.4 555.2 0.00 49 20 24970 -66.1 -92.1 1 26.0 -66.7 335 64 633.8 633.8 322.0 633.9 0.00 50 10 29130 -69.7 -94.7 1 25.0 -70.5 325 93 759.4 759.4 326.2 759.4 0.00 51 6.9 31372 -64.1 -92.1 1 28.0 -66.1 325 93 867.6 867.6 328.8 867.7 0.01 52 6.3 31926 -66.1 -93.1 1 27.0 -67.8 325 91 882.0 882.0 329.1 882.1 0.01 TRP 282 8664 -55.7 -73.7 9 18.0 -55.9 145 61 312.3 312.3 286.2 312.3 0.01 WND 369 6926 -47.9 -59.9 24 12.1 -48.1 145 78 299.6 299.6 281.2 299.7 0.03 Sounding variables and indices 1000-500 mb thick: 4895.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 59.33 % Est. max temperature: -14.09 C = 6.64 F Sfc-Lift cond lev (LCL): 941.12 mb = 419.26 m = 1375.51 ft T: -29.17 C 700-500 lapse rate: 4.37 C/km ThetaE index: 0.10 C Layer 925.0- 912.0 mb Conv cond level (CCL): 992.00 mb = 46.00 m = 150.92 ft Mean mixing ratio: 0.30 g/kg Conv temperature: -30.56 C = -23.01 F Cap Strength: 26.33 C Lifted Index: 27.89 C Risk: None Lifted Index @300 mb: 42.47 C Lifted Index @700 mb: 17.59 C Showalter Index: 18.93 C Risk: None Total Totals Index: 27.10 C Risk: None Vertical Totals Index: 15.00 C Cross Totals Index: 12.10 C K Index: -19.60 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 4.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.85 J/kg Max Up Vert Vel: 8.47 m/s Conv Inhibition (B-): 67790.05 J/kg Cap Strength: 27.43 C Lift Cond Lev (LCL): 905.60 mb = 693.61 m = 2275.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 at 18 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 ---------------------------------------------------------- 0 992 46 120 10 -8.7 5.0 | 36 16 -9.1 -12.7 1 956 305 150 14 -7.0 12.1 | 53 9 -7.5 -5.6 2 925 542 150 16 -8.0 13.9 | 66 9 -8.5 -3.8 3 916 610 145 18 -10.3 14.7 | 75 11 -10.8 -2.9 4 878 914 155 22 -9.3 19.9 | 103 10 -9.8 2.3 5 850 1152 160 23 -7.9 21.6 | 115 9 -8.3 3.9 6 842 1219 165 23 -6.0 22.2 | 125 8 -6.4 4.5 7 807 1524 145 23 -13.2 18.8 | 95 14 -13.7 1.2 8 773 1829 150 25 -12.5 21.7 | 107 14 -13.0 4.0 9 741 2134 160 23 -7.9 21.6 | 115 9 -8.3 3.9 10 710 2438 160 19 -6.5 17.9 | 91 7 -7.0 0.2 11 700 2545 160 19 -6.5 17.9 | 91 7 -7.0 0.2 12 680 2743 150 19 -9.5 16.5 | 83 10 -10.0 -1.2 13 596 3658 150 19 -9.5 16.5 | 83 10 -10.0 -1.2 14 571 3962 170 18 -3.1 17.7 | 91 4 -3.6 0.0 15 546 4267 155 15 -6.3 13.6 | 59 8 -6.8 -4.1 16 523 4572 145 16 -9.2 13.1 | 65 11 -9.7 -4.6 17 500 4877 155 22 -9.3 19.9 | 103 10 -9.8 2.3 18 500 4880 155 25 -10.6 22.7 | 114 12 -11.0 5.0 19 418 6096 145 58 -33.3 47.5 | 131 45 -33.7 29.8 20 400 6390 145 71 -40.7 58.2 | 134 58 -41.2 40.5 21 369 6926 145 78 -44.7 63.9 | 136 65 -45.2 46.2 22 364 7010 145 78 -44.7 63.9 | 136 65 -45.2 46.2 23 332 7620 140 75 -48.2 57.5 | 129 63 -48.7 39.8 24 300 8270 145 65 -37.3 53.2 | 133 52 -37.8 35.6 25 282 8664 145 61 -35.0 50.0 | 132 48 -35.5 32.3 26 274 8839 145 53 -30.4 43.4 | 130 40 -30.9 25.7 27 261 9144 140 48 -30.9 36.8 | 121 37 -31.3 19.1 28 250 9430 135 45 -31.8 31.8 | 114 35 -32.3 14.1 29 206 10668 120 30 -26.0 15.0 | 84 27 -26.5 -2.7 30 200 10860 130 25 -19.2 16.1 | 85 20 -19.6 -1.6 31 197 10973 135 29 -20.5 20.5 | 98 21 -21.0 2.8 32 187 11278 130 22 -16.9 14.1 | 78 18 -17.3 -3.5 33 163 12192 95 29 -28.9 2.5 | 63 33 -29.4 -15.2 34 150 12710 100 13 -12.8 2.3 | 41 20 -13.3 -15.4 35 148 12802 105 14 -13.5 3.6 | 45 20 -14.0 -14.1 36 141 13106 85 13 -13.0 -1.1 | 36 23 -13.4 -18.8 37 134 13411 75 18 -17.4 -4.7 | 39 29 -17.9 -22.3 38 128 13716 75 13 -12.6 -3.4 | 32 25 -13.0 -21.0 39 116 14326 125 12 -9.8 6.9 | 44 15 -10.3 -10.8 40 111 14630 75 10 -9.7 -2.6 | 27 23 -10.1 -20.3 41 105 14935 60 14 -12.1 -7.0 | 27 28 -12.6 -24.7 42 100 15240 65 9 -8.2 -3.8 | 22 23 -8.6 -21.5 43 100 15270 70 5 -4.7 -1.7 | 15 20 -5.2 -19.4 44 96 15545 70 5 -4.7 -1.7 | 15 20 -5.2 -19.4 45 91 15850 30 11 -5.5 -9.5 | 12 28 -6.0 -27.2 46 87 16154 60 14 -12.1 -7.0 | 27 28 -12.6 -24.7 47 82 16459 50 18 -13.8 -11.6 | 26 33 -14.3 -29.3 48 75 17069 45 13 -9.2 -9.2 | 20 29 -9.7 -26.9 49 71 17374 70 12 -11.3 -4.1 | 28 25 -11.8 -21.8 50 70 17470 15 6 -1.6 -5.8 | 5 24 -2.0 -23.5 51 64 17983 25 12 -5.1 -10.9 | 11 29 -5.5 -28.6 52 61 18288 45 10 -7.1 -7.1 | 17 26 -7.5 -24.8 53 58 18593 360 5 -0.0 -5.0 | 1 23 -0.5 -22.7 54 53 19202 330 17 8.5 -14.7 | 346 33 8.0 -32.4 55 50 19500 355 12 1.0 -12.0 | 359 30 0.6 -29.6 56 47 19812 360 15 -0.0 -15.0 | 1 33 -0.5 -32.7 57 45 20117 320 10 6.4 -7.7 | 347 26 6.0 -25.3 58 43 20422 330 18 9.0 -15.6 | 346 34 8.5 -33.3 59 41 20726 340 17 5.8 -16.0 | 351 34 5.3 -33.7 60 39 21031 350 21 3.6 -20.7 | 355 38 3.2 -38.4 61 37 21336 345 20 5.2 -19.3 | 353 37 4.7 -37.0 62 35 21641 5 23 -2.0 -22.9 | 3 41 -2.5 -40.6 63 33 21946 10 19 -3.3 -18.7 | 6 37 -3.8 -36.4 64 31 22250 345 21 5.4 -20.3 | 353 38 5.0 -38.0 65 30 22530 330 34 17.0 -29.4 | 341 50 16.5 -47.1 66 30 22555 360 23 -0.0 -23.0 | 1 41 -0.5 -40.7 67 28 22860 330 35 17.5 -30.3 | 340 51 17.0 -48.0 68 26 23470 345 28 7.2 -27.0 | 351 45 6.8 -44.7 69 24 23774 325 36 20.6 -29.5 | 337 51 20.2 -47.2 70 23 24079 345 57 14.8 -55.1 | 349 74 14.3 -72.7 71 22 24384 335 45 19.0 -40.8 | 342 61 18.5 -58.5 72 20 24970 335 64 27.0 -58.0 | 341 80 26.6 -75.7 73 19 25298 330 68 34.0 -58.9 | 336 84 33.5 -76.6 74 17 25908 345 63 16.3 -60.9 | 349 80 15.8 -78.5 75 16 26213 325 52 29.8 -42.6 | 334 67 29.4 -60.3 76 14 27127 325 76 43.6 -62.3 | 332 91 43.1 -79.9 77 13 27432 330 69 34.5 -59.8 | 336 85 34.0 -77.4 78 13 27737 335 64 27.0 -58.0 | 341 80 26.6 -75.7 79 11 28346 335 92 38.9 -83.4 | 339 108 38.4 -101.1 80 10 29130 325 93 53.3 -76.2 | 331 108 52.9 -93.9 81 9 29261 330 69 34.5 -59.8 | 336 85 34.0 -77.4 82 8 29566 325 95 54.5 -77.8 | 331 110 54.0 -95.5 83 5 30175 325 87 49.9 -71.3 | 331 102 49.4 -88.9 Wind Parameters Mean winds (0-6000m): 151.5 at 23.6 knts Storm direction: 181.5 at 17.7 knts Shear (0-3000m) pos: 2.8 neg: 1.4 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 47.2 deg Storm rel helicity (0-3000m) pos: 58.0 neg: -22.9 tot: 35.1 m^2/s^2 ave: 11.7 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.52 Bulk Shear: 14.24 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 ------------------------------------------------------------------------------- 500 144 13 51 11| 9.2 0.0 9.2| 18.4 0.0 18.4 36.8 0.64| 9.7 6.2 1000 149 17 70 10| 8.2 0.0 8.2| 39.3 0.0 39.3 39.3 0.77| 9.2 7.1 1500 152 19 84 9| 5.4 1.7 7.2| 43.8 -13.5 30.3 20.2 0.40| 9.4 3.7 2000 151 20 90 10| 4.9 1.3 6.2| 57.2 -13.5 43.7 21.8 0.44| 8.6 3.8 2500 153 20 93 10| 3.3 1.0 4.4| 58.0 -20.1 37.9 15.1 0.31| 7.9 2.4 3000 153 20 91 10| 2.8 1.4 4.2| 58.0 -22.9 35.1 11.7 0.25| 7.2 1.8 4000 153 20 90 9| 2.5 1.1 3.5| 59.9 -24.0 35.9 9.0 0.21| 6.3 1.4 5000 153 20 88 9| 3.0 1.4 4.5| 94.3 -27.0 67.3 13.5 0.30| 7.2 2.1 6000 152 24 105 12| 2.5 2.9 5.4|114.8 -28.5 86.3 14.4 0.25| 8.4 2.1 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251219.00.gif