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 CYRB... Searching the city database file for: CYRB ... Date:0000Z 17 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 1024 46 -18.1 -22.1 71 4.0 -18.7 350 3 253.3 253.4 253.0 255.0 0.63 1 1019 82 -18.7 -22.2 74 3.5 -19.2 337 4 253.1 253.2 252.8 254.8 0.63 2 1000 219 -17.7 -23.7 59 6.0 -18.5 285 9 255.4 255.5 254.7 257.0 0.56 3 966 479 -15.1 -30.1 27 15.0 -17.0 277 12 260.6 260.7 258.3 261.6 0.32 4 963 503 -15.1 -24.1 46 9.0 -16.4 277 12 260.8 260.9 259.0 262.4 0.57 5 946 638 -15.5 -32.5 22 17.0 -17.5 276 12 261.8 261.8 259.1 262.5 0.26 6 941 678 -15.7 -32.7 22 17.0 -17.7 277 13 262.0 262.0 259.2 262.7 0.26 7 931 758 -16.1 -32.1 24 16.0 -18.0 279 14 262.4 262.4 259.6 263.2 0.28 8 927 791 -16.1 -25.1 46 9.0 -17.4 280 14 262.7 262.8 260.4 264.2 0.54 9 925 807 -16.5 -25.5 46 9.0 -17.8 280 14 262.4 262.5 260.2 263.9 0.52 10 850 1439 -19.1 -30.1 37 11.0 -20.4 290 20 266.1 266.2 262.6 267.2 0.37 11 848 1457 -19.3 -30.3 37 11.0 -20.6 290 20 266.1 266.2 262.6 267.2 0.36 12 818 1724 -20.7 -27.7 53 7.0 -21.6 290 22 267.4 267.5 263.8 268.8 0.48 13 802 1869 -21.5 -24.0 80 2.5 -21.8 291 23 268.0 268.2 264.6 270.0 0.68 14 777 2102 -22.5 -26.4 70 3.9 -23.0 299 23 269.4 269.5 265.4 271.1 0.57 15 755 2312 -23.7 -27.1 74 3.4 -24.1 294 25 270.3 270.4 266.0 271.9 0.55 16 700 2861 -27.3 -29.5 81 2.2 -27.5 295 30 272.3 272.3 267.1 273.7 0.47 17 669 3185 -29.7 -31.3 86 1.6 -29.9 296 32 273.1 273.2 267.6 274.4 0.42 18 500 5210 -41.7 -45.7 65 4.0 -41.9 300 30 282.2 282.2 272.6 282.6 0.13 19 442 6034 -47.3 -52.3 56 5.0 -47.4 288 34 285.3 285.3 274.3 285.5 0.07 20 437 6109 -47.7 -49.6 81 1.9 -47.7 285 34 285.7 285.7 274.6 286.0 0.09 21 435 6140 -47.5 -56.5 35 9.0 -47.7 286 34 286.3 286.3 274.8 286.5 0.04 22 434 6155 -47.5 -57.5 31 10.0 -47.7 286 34 286.5 286.5 274.9 286.6 0.04 23 414 6465 -49.1 -56.1 44 7.0 -49.3 291 36 288.3 288.3 275.9 288.5 0.05 24 400 6690 -49.9 -57.9 38 8.0 -50.1 295 38 290.1 290.1 276.8 290.3 0.04 25 377 7077 -51.1 -60.1 33 9.0 -51.2 290 36 293.5 293.5 278.4 293.6 0.03 26 324 8065 -50.3 -72.3 6 22.0 -50.6 290 29 307.6 307.6 284.4 307.6 0.01 27 300 8570 -48.3 -77.3 2 29.0 -48.7 290 23 317.3 317.3 287.9 317.3 0.00 28 267 9342 -44.3 -79.3 1 35.0 -45.0 283 17 333.9 333.9 292.7 333.9 0.00 29 257 9596 -45.5 -79.5 1 34.0 -46.1 283 16 335.8 335.8 293.3 335.8 0.00 30 250 9780 -45.1 -80.1 1 35.0 -45.7 280 19 339.0 339.0 294.1 339.0 0.00 31 210 10952 -43.5 -81.5 1 38.0 -44.4 292 13 358.8 358.8 298.5 358.9 0.00 32 200 11280 -45.1 -82.1 1 37.0 -45.9 275 11 361.4 361.4 299.0 361.4 0.00 33 186 11764 -44.1 -83.1 1 39.0 -45.1 286 15 370.6 370.6 300.7 370.6 0.00 34 182 11909 -42.5 -81.5 1 39.0 -43.7 283 16 375.5 375.5 301.5 375.5 0.00 35 150 13210 -42.9 -82.9 0 40.0 -44.2 290 7 396.1 396.1 304.7 396.1 0.00 36 100 15920 -45.7 -84.7 0 39.0 -47.1 205 8 439.4 439.4 309.8 439.4 0.00 37 78 17571 -45.3 -85.3 0 40.0 -47.1 228 10 472.6 472.6 312.8 472.6 0.00 38 70 18290 -45.7 -84.7 0 39.0 -47.7 240 12 486.6 486.6 314.0 486.6 0.00 39 65 18782 -47.1 -86.1 0 39.0 -48.9 267 9 494.0 494.0 314.5 494.0 0.00 40 57 19657 -44.9 -84.9 0 40.0 -47.4 202 8 517.9 517.9 316.2 517.9 0.01 41 50 20530 -46.5 -85.5 0 39.0 -48.9 215 10 533.9 533.9 317.2 533.9 0.01 42 30 23910 -48.1 -87.1 0 39.0 -51.2 190 9 613.5 613.5 321.2 613.6 0.01 43 20 26580 -48.3 -86.3 0 38.0 -52.3 90 11 688.3 688.3 324.0 688.4 0.01 44 19 26918 -48.5 -86.5 0 38.0 -52.6 96 11 697.9 697.9 324.4 698.0 0.01 45 14 28939 -45.7 -84.7 0 39.0 -51.8 145 19 771.1 771.1 326.5 771.3 0.02 46 10 31170 -47.7 -86.7 0 39.0 -54.2 280 5 841.5 841.5 328.2 841.7 0.02 47 5.4 35300 -40.9 -81.9 0 41.0 -53.7 1033.9 1034.0 331.7 1035.0 0.09 TRP 377 7077 -51.1 -60.1 33 9.0 -51.2 290 36 293.5 293.5 278.4 293.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 4991.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 65.63 % Est. max temperature: -6.43 C = 20.42 F Sfc-Lift cond lev (LCL): 958.89 mb = 535.33 m = 1756.32 ft T: -15.20 C 700-500 lapse rate: 6.13 C/km ThetaE index: 0.30 C Layer 925.0- 850.0 mb Conv cond level (CCL): 651.18 mb = 3373.24 m = 11066.91 ft Mean mixing ratio: 0.45 g/kg Conv temperature: 2.68 C = 36.83 F Cap Strength: 12.09 C Lifted Index: 18.28 C Risk: None Lifted Index @300 mb: 40.63 C Lifted Index @700 mb: 11.59 C Showalter Index: 12.42 C Risk: None Total Totals Index: 34.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 11.60 C K Index: -9.70 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 3.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.14 J/kg Max Up Vert Vel: 8.73 m/s Conv Inhibition (B-): 79384.73 J/kg Cap Strength: 18.08 C Lift Cond Lev (LCL): 824.73 mb = 1662.78 m = 5455.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 20 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 1024 46 350 3 0.5 -3.0 | 138 17 -11.6 13.0 1 1000 219 285 9 8.7 -2.3 | 166 14 -3.5 13.6 2 989 305 280 11 10.8 -1.9 | 175 14 -1.3 14.1 3 950 610 275 12 12.0 -1.0 | 179 15 -0.2 14.9 4 925 807 280 14 13.8 -2.4 | 187 14 1.6 13.5 5 912 914 275 15 14.9 -1.3 | 191 15 2.8 14.7 6 875 1219 285 18 17.4 -4.7 | 205 12 5.2 11.3 7 850 1439 290 20 18.8 -6.8 | 216 11 6.6 9.1 8 806 1829 290 23 21.6 -7.9 | 229 12 9.5 8.1 9 773 2134 300 23 19.9 -11.5 | 240 9 7.8 4.5 10 742 2438 290 27 25.4 -9.2 | 243 15 13.2 6.7 11 711 2743 300 27 23.4 -13.5 | 258 12 11.2 2.5 12 700 2861 295 30 27.2 -12.7 | 258 15 15.0 3.3 13 681 3048 295 32 29.0 -13.5 | 262 17 16.9 2.5 14 625 3658 300 32 27.7 -16.0 | 270 16 15.6 -0.0 15 598 3962 290 31 29.1 -10.6 | 252 18 17.0 5.4 16 572 4267 295 35 31.7 -14.8 | 267 20 19.6 1.2 17 548 4572 295 39 35.3 -16.5 | 271 23 23.2 -0.5 18 524 4877 295 34 30.8 -14.4 | 265 19 18.7 1.6 19 502 5182 285 34 32.8 -8.8 | 251 22 20.7 7.2 20 500 5210 300 30 26.0 -15.0 | 266 14 13.8 1.0 21 480 5486 285 33 31.9 -8.5 | 249 21 19.7 7.4 22 458 5791 300 32 27.7 -16.0 | 270 16 15.6 -0.0 23 437 6096 285 34 32.8 -8.8 | 251 22 20.7 7.2 24 400 6690 295 38 34.4 -16.1 | 270 22 22.3 -0.1 25 399 6706 295 41 37.2 -17.3 | 273 25 25.0 -1.4 26 377 7077 290 36 33.8 -12.3 | 260 22 21.7 3.7 27 347 7620 285 33 31.9 -8.5 | 249 21 19.7 7.4 28 302 8534 295 24 21.8 -10.1 | 239 11 9.6 5.8 29 300 8570 290 23 21.6 -7.9 | 229 12 9.5 8.1 30 275 9144 280 22 21.7 -3.8 | 218 15 9.5 12.2 31 263 9449 285 14 13.5 -3.6 | 186 12 1.4 12.4 32 250 9780 280 19 18.7 -3.3 | 207 14 6.6 12.7 33 240 10058 275 18 17.9 -1.6 | 202 16 5.8 14.4 34 219 10668 290 16 15.0 -5.5 | 195 11 2.9 10.5 35 200 11278 295 10 9.1 -4.2 | 165 12 -3.1 11.7 36 200 11280 275 11 11.0 -1.0 | 175 15 -1.2 15.0 37 191 11582 295 12 10.9 -5.1 | 173 11 -1.3 10.9 38 183 11887 280 17 16.7 -3.0 | 199 14 4.6 13.0 39 175 12192 310 10 7.7 -6.4 | 155 11 -4.5 9.5 40 167 12497 255 10 9.7 2.6 | 172 19 -2.5 18.6 41 159 12802 260 10 9.8 1.7 | 173 18 -2.3 17.7 42 152 13106 290 11 10.3 -3.8 | 172 12 -1.8 12.2 43 150 13210 290 7 6.6 -2.4 | 158 15 -5.6 13.6 44 133 14021 305 2 1.6 -1.1 | 145 18 -10.5 14.8 45 127 14326 240 11 9.5 5.5 | 173 22 -2.6 21.5 46 121 14630 285 10 9.7 -2.6 | 169 14 -2.5 13.4 47 111 15240 245 9 8.2 3.8 | 169 20 -4.0 19.8 48 100 15920 205 8 3.4 7.3 | 159 25 -8.8 23.2 49 97 16154 205 8 3.4 7.3 | 159 25 -8.8 23.2 50 70 18288 240 11 9.5 5.5 | 173 22 -2.6 21.5 51 70 18290 240 12 10.4 6.0 | 175 22 -1.8 22.0 52 67 18593 240 12 10.4 6.0 | 175 22 -1.8 22.0 53 61 19202 325 1 0.6 -0.8 | 143 19 -11.6 15.2 54 56 19812 160 10 -3.4 9.4 | 148 30 -15.6 25.4 55 50 20530 215 10 5.7 8.2 | 165 25 -6.4 24.2 56 46 21031 220 10 6.4 7.7 | 166 24 -5.7 23.6 57 44 21336 155 7 -3.0 6.3 | 146 27 -15.1 22.3 58 42 21641 160 14 -4.8 13.2 | 150 34 -16.9 29.1 59 40 21946 230 10 7.7 6.4 | 169 23 -4.5 22.4 60 35 22860 140 10 -6.4 7.7 | 142 30 -18.6 23.6 61 34 23165 160 10 -3.4 9.4 | 148 30 -15.6 25.4 62 30 23910 190 9 1.6 8.9 | 157 27 -10.6 24.8 63 25 24994 0 0 -0.0 -0.0 | 143 20 -12.1 16.0 64 20 26580 90 11 -11.0 0.0 | 125 28 -23.1 16.0 65 19 26822 80 10 -9.8 -1.7 | 123 26 -22.0 14.2 66 18 27127 130 13 -10.0 8.4 | 138 33 -22.1 24.3 67 18 27432 145 15 -8.6 12.3 | 144 35 -20.8 28.3 68 17 27737 160 14 -4.8 13.2 | 150 34 -16.9 29.1 69 14 28956 145 19 -10.9 15.6 | 144 39 -23.0 31.5 70 13 29261 160 17 -5.8 16.0 | 151 37 -18.0 31.9 71 13 29566 200 18 6.2 16.9 | 170 33 -6.0 32.9 72 12 29870 200 17 5.8 16.0 | 169 33 -6.3 31.9 73 10 31170 280 5 4.9 -0.9 | 154 17 -7.2 15.1 Wind Parameters Mean winds (0-6000m): 292.7 at 26.8 knts Storm direction: 322.7 at 20.1 knts Shear (0-3000m) pos: 3.0 neg: 2.7 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 123.5 deg Storm rel helicity (0-3000m) pos: 100.9 neg: 0.0 tot: 100.9 m^2/s^2 ave: 33.6 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 4.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.92 Bulk Shear: 41.47 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 ------------------------------------------------------------------------------- 500 283 9 167 14| 0.0 11.7 11.7| 37.7 0.0 37.7 75.5 0.83| 12.5 10.4 1000 280 12 177 14| 2.4 5.8 8.2| 54.9 0.0 54.9 54.9 0.84| 8.9 7.5 1500 283 14 186 13| 3.4 3.9 7.2| 71.2 0.0 71.2 47.5 0.85| 7.9 6.7 2000 286 16 196 12| 3.3 2.9 6.2| 81.6 0.0 81.6 40.8 0.82| 7.2 5.9 2500 288 18 205 11| 2.6 3.2 5.8| 88.8 0.0 88.8 35.5 0.70| 7.4 5.2 3000 290 20 215 11| 3.0 2.7 5.7|100.9 0.0 100.9 33.6 0.64| 7.7 4.9 4000 292 23 231 12| 2.4 2.3 4.7|115.7 -21.0 94.6 23.7 0.50| 6.9 3.5 5000 293 26 242 13| 2.6 1.8 4.4|141.4 -47.3 94.1 18.8 0.39| 7.1 2.8 6000 293 27 246 14| 2.2 1.6 3.8|180.6 -93.3 87.3 14.5 0.27| 8.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20250417.00.gif