UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 16 APR 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 1020 46 -26.5 -29.4 76 2.9 -26.8 325 9 245.3 245.3 245.1 246.1 0.33 1 1013 96 -21.3 -24.8 73 3.5 -21.7 335 10 250.9 251.0 250.6 252.3 0.50 2 1000 191 -19.7 -23.0 75 3.3 -20.1 355 12 253.4 253.5 253.0 255.1 0.60 3 984 312 -16.1 -20.2 71 4.1 -16.8 360 16 258.2 258.4 257.4 260.4 0.78 4 970 420 -14.7 -21.7 55 7.0 -15.9 360 16 260.7 260.8 259.2 262.6 0.69 5 966 451 -14.5 -19.5 66 5.0 -15.4 360 16 261.2 261.4 259.9 263.5 0.84 6 947 602 -15.1 -18.9 73 3.8 -15.8 360 15 262.1 262.2 260.7 264.6 0.91 7 930 738 -15.9 -21.9 60 6.0 -16.9 352 16 262.6 262.8 260.7 264.6 0.71 8 925 779 -15.9 -30.9 26 15.0 -17.7 350 16 263.1 263.1 260.2 264.0 0.31 9 924 787 -15.9 -30.9 26 15.0 -17.7 350 16 263.1 263.2 260.3 264.0 0.31 10 905 943 -16.7 -22.7 60 6.0 -17.6 355 17 263.9 264.0 261.6 265.8 0.68 11 902 968 -16.7 -26.7 42 10.0 -18.1 354 17 264.1 264.2 261.4 265.5 0.48 12 896 1018 -17.1 -21.5 69 4.4 -17.8 353 18 264.2 264.3 262.0 266.4 0.76 13 888 1086 -17.5 -21.2 73 3.7 -18.1 352 18 264.5 264.6 262.3 266.7 0.79 14 850 1412 -18.9 -22.7 72 3.8 -19.5 355 21 266.3 266.5 263.5 268.4 0.73 15 700 2838 -25.9 -30.4 66 4.5 -26.4 335 22 273.8 273.9 268.1 275.1 0.44 16 680 3048 -26.5 -31.5 63 5.0 -27.1 325 22 275.4 275.5 269.1 276.6 0.40 17 532 4784 -37.1 -40.3 72 3.2 -37.3 306 27 282.7 282.8 273.1 283.4 0.21 18 500 5210 -39.9 -43.9 66 4.0 -40.1 300 25 284.4 284.4 273.9 284.9 0.16 19 467 5673 -43.1 -47.3 63 4.2 -43.3 297 30 286.0 286.0 274.8 286.4 0.11 20 463 5731 -43.3 -49.3 52 6.0 -43.5 297 30 286.5 286.5 275.0 286.8 0.09 21 456 5833 -44.1 -47.7 67 3.6 -44.2 297 31 286.7 286.7 275.2 287.1 0.11 22 424 6317 -47.9 -50.3 76 2.4 -48.0 293 36 287.9 287.9 275.7 288.2 0.09 23 417 6427 -48.5 -60.5 24 12.0 -48.7 292 37 288.5 288.5 275.9 288.6 0.03 24 412 6506 -48.9 -54.9 50 6.0 -49.0 292 37 289.0 289.0 276.2 289.2 0.05 25 403 6651 -49.7 -57.7 39 8.0 -49.8 290 39 289.8 289.8 276.6 289.9 0.04 26 400 6700 -49.9 -55.9 49 6.0 -50.0 290 39 290.1 290.1 276.8 290.3 0.05 27 384 6965 -51.7 -53.6 80 1.9 -51.7 290 40 291.2 291.2 277.4 291.4 0.07 28 380 7033 -52.1 -55.0 71 2.9 -52.2 290 37 291.5 291.5 277.5 291.7 0.06 29 375 7119 -51.9 -61.9 29 10.0 -52.1 290 37 292.9 292.9 278.2 293.0 0.02 30 352 7527 -53.1 -64.1 25 11.0 -53.2 290 35 296.6 296.6 279.8 296.7 0.02 31 313 8284 -52.1 -71.1 8 19.0 -52.3 297 26 308.2 308.2 284.7 308.2 0.01 32 300 8560 -49.9 -73.9 4 24.0 -50.2 300 23 315.0 315.0 287.1 315.0 0.01 33 293 8715 -48.7 -76.7 2 28.0 -49.1 300 21 318.9 318.9 288.3 318.9 0.00 34 284 8919 -49.3 -73.3 4 24.0 -49.7 299 19 320.9 320.9 289.0 320.9 0.01 35 250 9760 -46.3 -80.3 1 34.0 -46.9 310 17 337.2 337.2 293.6 337.2 0.00 36 247 9840 -45.3 -80.3 1 35.0 -46.0 303 16 339.9 339.9 294.3 339.9 0.00 37 240 10032 -46.5 -80.5 1 34.0 -47.1 287 12 340.9 340.9 294.6 340.9 0.00 38 231 10286 -46.1 -81.1 1 35.0 -46.7 296 10 345.2 345.2 295.6 345.3 0.00 39 228 10373 -44.7 -80.7 1 36.0 -45.4 300 10 348.7 348.7 296.3 348.7 0.00 40 215 10765 -45.7 -80.7 1 35.0 -46.4 285 8 353.0 353.0 297.3 353.0 0.00 41 208 10986 -43.5 -80.5 1 37.0 -44.5 276 13 359.8 359.8 298.7 359.8 0.00 42 200 11250 -43.9 -80.9 1 37.0 -44.8 300 8 363.3 363.3 299.3 363.3 0.00 43 179 11993 -45.1 -82.1 1 37.0 -46.0 310 9 373.0 373.0 301.1 373.0 0.00 44 166 12499 -43.3 -81.3 1 38.0 -44.5 310 2 384.1 384.1 302.9 384.2 0.00 45 157 12874 -44.3 -82.3 1 38.0 -45.4 275 10 388.6 388.6 303.6 388.6 0.00 46 150 13180 -43.9 -81.9 1 38.0 -45.1 320 3 394.4 394.4 304.4 394.4 0.00 47 140 13644 -42.9 -81.9 1 39.0 -44.3 303 4 404.0 404.0 305.7 404.0 0.00 48 132 14039 -44.9 -82.9 1 38.0 -46.1 289 5 407.3 407.3 306.2 407.3 0.00 49 130 14142 -44.1 -83.1 1 39.0 -45.4 285 5 410.5 410.5 306.6 410.5 0.00 50 115 14961 -46.1 -84.1 1 38.0 -47.3 255 7 421.5 421.5 307.9 421.5 0.00 51 100 15890 -46.1 -85.1 0 39.0 -47.5 205 6 438.7 438.7 309.7 438.7 0.00 52 79 17457 -45.3 -84.3 0 39.0 -47.1 204 5 470.9 470.9 312.7 470.9 0.00 53 70 18260 -46.5 -85.5 0 39.0 -48.3 200 4 484.9 484.9 313.8 484.9 0.00 54 64 18855 -47.1 -86.1 0 39.0 -49.0 164 7 496.2 496.2 314.7 496.2 0.00 55 58 19511 -44.9 -84.9 0 40.0 -47.3 126 11 515.3 515.3 316.0 515.3 0.01 56 50 20500 -47.1 -86.1 0 39.0 -49.4 175 8 532.5 532.5 317.1 532.5 0.00 57 36 22667 -48.9 -86.9 0 38.0 -51.4 213 11 580.3 580.3 319.7 580.3 0.01 58 30 23870 -46.7 -85.7 0 39.0 -50.1 125 9 617.3 617.3 321.4 617.4 0.01 59 24 25340 -46.5 -85.5 0 39.0 -50.6 141 11 658.6 658.6 323.0 658.7 0.01 60 20 26540 -47.9 -86.9 0 39.0 -52.1 60 5 689.6 689.6 324.1 689.6 0.01 61 14 28889 -49.1 -87.1 0 38.0 -53.9 202 10 759.5 759.5 326.2 759.7 0.01 62 11 30486 -45.5 -84.5 0 39.0 -52.6 201 9 826.9 826.9 327.9 827.1 0.03 63 10 31120 -46.5 -85.5 0 39.0 -53.5 200 8 846.0 846.0 328.3 846.2 0.03 64 8.0 32599 -47.3 -86.3 0 39.0 -54.8 898.5 898.6 329.4 898.8 0.03 65 5.6 35005 -38.3 -80.3 0 42.0 -52.5 1034.7 1034.8 331.7 1036.0 0.11 66 4.4 36666 -37.7 -79.7 0 42.0 -53.6 1111.4 1111.5 332.8 1113.5 0.16 TRP 380 7033 -52.1 -55.0 71 2.9 -52.2 290 37 291.5 291.5 277.5 291.7 0.06 WND Sounding variables and indices 1000-500 mb thick: 5019.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 67.18 % Est. max temperature: -6.29 C = 20.68 F Sfc-Lift cond lev (LCL): 971.56 mb = 407.73 m = 1337.67 ft T: -14.86 C 700-500 lapse rate: 5.90 C/km ThetaE index: 0.67 C Layer 925.0- 924.0 mb Conv cond level (CCL): 1013.00 mb = 95.97 m = 314.87 ft Mean mixing ratio: 0.69 g/kg Conv temperature: -20.73 C = -5.32 F Cap Strength: 18.66 C Lifted Index: 19.67 C Risk: None Lifted Index @300 mb: 38.62 C Lifted Index @700 mb: 12.52 C Showalter Index: 13.25 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 17.20 C K Index: -6.20 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 3.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.17 J/kg Max Up Vert Vel: 10.69 m/s Conv Inhibition (B-): 109874.25 J/kg Cap Strength: 19.51 C Lift Cond Lev (LCL): 894.79 mb = 1028.48 m = 3374.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 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 1020 46 325 9 5.2 -7.4 | 200 10 3.4 9.4 1 1000 191 355 12 1.0 -12.0 | 171 5 -0.8 4.9 2 985 305 360 16 -0.0 -16.0 | 114 2 -1.8 0.8 3 946 610 360 15 -0.0 -15.0 | 135 3 -1.8 1.8 4 925 779 350 16 2.8 -15.8 | 222 1 1.0 1.1 5 908 914 355 17 1.5 -16.9 | 70 0 -0.3 -0.1 6 872 1219 350 19 3.3 -18.7 | 322 2 1.5 -1.9 7 850 1412 355 21 1.8 -20.9 | 360 4 0.0 -4.1 8 803 1829 345 23 6.0 -22.2 | 323 7 4.1 -5.4 9 770 2134 340 25 8.6 -23.5 | 315 9 6.7 -6.7 10 739 2438 340 25 8.6 -23.5 | 315 9 6.7 -6.7 11 709 2743 335 25 10.6 -22.7 | 304 11 8.8 -5.8 12 700 2838 335 22 9.3 -19.9 | 293 8 7.5 -3.1 13 679 3048 325 22 12.6 -18.0 | 276 11 10.8 -1.2 14 651 3353 335 21 8.9 -19.0 | 287 7 7.1 -2.2 15 623 3658 320 19 12.2 -14.6 | 258 11 10.4 2.3 16 597 3962 305 23 18.8 -13.2 | 258 17 17.0 3.6 17 572 4267 310 21 16.1 -13.5 | 257 15 14.3 3.3 18 524 4877 305 28 22.9 -16.1 | 268 21 21.1 0.8 19 500 5210 300 25 21.7 -12.5 | 258 20 19.8 4.3 20 438 6096 295 34 30.8 -14.4 | 265 29 29.0 2.4 21 400 6700 290 39 36.6 -13.3 | 264 35 34.8 3.5 22 381 7010 290 40 37.6 -13.7 | 265 36 35.8 3.1 23 380 7033 290 37 34.8 -12.7 | 263 33 33.0 4.2 24 347 7620 290 35 32.9 -12.0 | 261 31 31.1 4.8 25 300 8560 300 23 19.9 -11.5 | 254 19 18.1 5.3 26 288 8839 300 20 17.3 -10.0 | 246 17 15.5 6.8 27 275 9144 295 16 14.5 -6.8 | 232 16 12.7 10.1 28 250 9754 300 15 13.0 -7.5 | 230 15 11.2 9.3 29 250 9760 310 17 13.0 -10.9 | 242 13 11.2 5.9 30 239 10058 285 12 11.6 -3.1 | 216 17 9.8 13.7 31 228 10363 300 10 8.7 -5.0 | 210 14 6.8 11.8 32 218 10668 290 6 5.6 -2.1 | 195 15 3.8 14.8 33 208 10973 275 13 13.0 -1.1 | 215 19 11.1 15.7 34 200 11250 300 8 6.9 -4.0 | 202 14 5.1 12.8 35 190 11582 300 10 8.7 -5.0 | 210 14 6.8 11.8 36 182 11887 310 10 7.7 -6.4 | 209 12 5.9 10.4 37 166 12497 310 2 1.5 -1.3 | 179 16 -0.3 15.5 38 159 12802 270 10 10.0 -0.0 | 206 19 8.2 16.8 39 152 13106 290 10 9.4 -3.4 | 210 15 7.6 13.4 40 150 13180 320 3 1.9 -2.3 | 180 15 0.1 14.5 41 110 15240 245 8 7.3 3.4 | 195 21 5.4 20.2 42 100 15890 205 6 2.5 5.4 | 182 22 0.7 22.3 43 96 16154 210 6 3.0 5.2 | 183 22 1.2 22.0 44 70 18260 200 4 1.4 3.8 | 179 21 -0.4 20.6 45 58 19507 125 11 -9.0 6.3 | 155 26 -10.8 23.1 46 55 19812 165 10 -2.6 9.7 | 171 27 -4.4 26.5 47 50 20500 175 8 -0.7 8.0 | 174 25 -2.5 24.8 48 44 21336 170 11 -1.9 10.8 | 172 28 -3.7 27.6 49 38 22250 155 10 -4.2 9.1 | 167 27 -6.0 25.9 50 37 22555 200 11 3.8 10.3 | 184 27 2.0 27.2 51 35 22860 235 10 8.2 5.7 | 196 23 6.4 22.6 52 33 23165 250 10 9.4 3.4 | 201 22 7.6 20.2 53 32 23470 330 2 1.0 -1.7 | 177 15 -0.8 15.1 54 30 23774 80 10 -9.8 -1.7 | 142 19 -11.7 15.1 55 30 23870 125 9 -7.4 5.2 | 157 24 -9.2 22.0 56 29 24079 100 14 -13.8 2.4 | 141 25 -15.6 19.2 57 23 25603 150 10 -5.0 8.7 | 165 26 -6.8 25.5 58 21 26213 275 2 2.0 -0.2 | 181 17 0.2 16.6 59 20 26540 60 5 -4.3 -2.5 | 157 16 -6.1 14.3 60 17 27432 170 9 -1.6 8.9 | 173 26 -3.4 25.7 61 17 27737 110 10 -9.4 3.4 | 151 23 -11.2 20.2 62 15 28651 190 10 1.7 9.8 | 180 27 -0.1 26.7 63 14 28956 205 10 4.2 9.1 | 185 26 2.4 25.9 64 10 31120 200 8 2.7 7.5 | 182 24 0.9 24.3 Wind Parameters Mean winds (0-6000m): 323.9 at 22.6 knts Storm direction: 353.9 at 16.9 knts Shear (0-3000m) pos: 1.6 neg: 2.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 76.9 deg Storm rel helicity (0-3000m) pos: 2.4 neg: -29.7 tot: -27.2 m^2/s^2 ave: -9.1 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 6.1 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.54 Bulk Shear: 22.55 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 ------------------------------------------------------------------------------- 500 356 14 166 3| 9.7 0.0 9.7| 0.3 -6.8 -6.5 -13.0 -0.49| 11.2 -5.5 1000 355 15 165 2| 4.8 1.7 6.6| 1.2 -6.9 -5.7 -5.7 -0.14| 8.3 -1.1 1500 354 17 168 0| 3.2 2.4 5.6| 2.4 -8.0 -5.5 -3.7 -0.08| 7.3 -0.6 2000 351 18 322 1| 2.4 2.9 5.3| 2.4 -12.8 -10.4 -5.2 -0.18| 6.7 -1.2 2500 348 20 318 3| 1.9 2.5 4.5| 2.4 -15.4 -12.9 -5.2 -0.21| 5.7 -1.2 3000 346 20 310 4| 1.6 2.2 3.8| 2.4 -29.7 -27.2 -9.1 -0.32| 6.1 -2.0 4000 339 20 293 6| 1.1 2.5 3.7| 6.8 -41.3 -34.5 -8.6 -0.28| 6.7 -1.8 5000 332 21 283 9| 1.0 2.3 3.3| 21.3 -51.9 -30.6 -6.1 -0.21| 6.4 -1.4 6000 324 23 277 12| 0.8 2.6 3.4| 39.1 -60.8 -21.7 -3.6 -0.17| 6.2 -1.0 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20250416.12.gif