UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for PAFA... Searching the city database file for: PAFA ... Date:1200Z 30 APR 25 Station: PAFA WMO ident: 70261 Latitude: 64.82 Longitude: -147.87 Elevation: 138.00 ------------------------------------------------------------------------------- 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 38 SFC 988 138 2.0 -2.0 75 4.0 0.4 355 2 276.1 276.7 274.2 285.3 3.34 2 977 228 5.2 -1.8 61 7.0 2.2 36 7 280.2 280.8 276.6 289.8 3.42 3 950 456 4.8 -3.2 56 8.0 1.5 85 11 282.1 282.6 277.2 291.0 3.17 4 925 672 3.2 -3.8 60 7.0 0.4 115 11 282.6 283.1 277.4 291.4 3.12 5 912 787 2.2 -3.8 64 6.0 -0.2 113 11 282.7 283.2 277.5 291.7 3.16 6 894 948 2.0 -5.0 60 7.0 -0.7 117 9 284.1 284.6 277.9 292.5 2.94 7 872 1148 0.6 -5.4 64 6.0 -1.7 163 5 284.7 285.2 278.2 293.1 2.93 8 870 1167 0.8 -6.2 59 7.0 -1.9 168 5 285.1 285.6 278.2 293.0 2.76 9 850 1353 -0.7 -6.7 64 6.0 -3.0 210 8 285.4 285.9 278.3 293.3 2.72 10 809 1746 -3.7 -9.7 63 6.0 -5.8 188 14 286.3 286.7 278.1 292.9 2.26 11 771 2123 -7.1 -11.1 73 4.0 -8.4 209 23 286.6 287.0 278.0 292.8 2.12 12 703 2837 -11.5 -16.5 66 5.0 -12.8 214 28 289.4 289.7 278.6 293.9 1.50 13 700 2870 -11.7 -16.7 66 5.0 -13.0 215 29 289.5 289.8 278.6 294.0 1.48 14 673 3170 -14.3 -18.8 69 4.5 -15.4 215 27 289.9 290.1 278.5 293.8 1.29 15 651 3421 -16.1 -21.1 65 5.0 -17.2 215 25 290.6 290.8 278.6 294.0 1.09 16 624 3739 -18.9 -22.9 71 4.0 -19.7 215 21 291.0 291.1 278.6 294.0 0.97 17 605 3968 -20.5 -25.5 64 5.0 -21.4 215 15 291.7 291.8 278.7 294.2 0.79 18 578 4304 -23.3 -26.3 76 3.0 -23.8 224 17 292.3 292.4 278.9 294.7 0.77 19 565 4471 -24.3 -27.1 78 2.8 -24.8 216 17 293.0 293.1 279.2 295.3 0.73 20 559 4549 -24.7 -28.3 72 3.6 -25.2 212 17 293.4 293.5 279.3 295.5 0.66 21 524 5016 -28.5 -30.7 81 2.2 -28.8 199 17 294.3 294.4 279.6 296.1 0.57 22 508 5237 -30.3 -33.7 72 3.4 -30.7 199 19 294.8 294.8 279.6 296.2 0.44 23 500 5350 -31.1 -34.4 73 3.3 -31.4 185 20 295.1 295.2 279.8 296.5 0.41 24 485 5566 -32.7 -36.2 71 3.5 -33.0 185 20 295.7 295.8 280.0 296.9 0.36 25 477 5683 -33.7 -36.7 74 3.0 -34.0 185 20 295.9 296.0 280.0 297.1 0.35 26 462 5906 -35.3 -38.8 70 3.5 -35.6 185 21 296.6 296.7 280.3 297.6 0.29 27 460 5937 -35.5 -39.7 65 4.2 -35.8 185 21 296.7 296.8 280.3 297.6 0.26 28 458 5967 -35.1 -39.5 64 4.4 -35.4 185 21 297.6 297.7 280.7 298.5 0.27 29 456 5998 -34.3 -42.3 44 8.0 -34.9 185 21 299.0 299.0 281.2 299.7 0.20 30 435 6326 -37.3 -43.3 54 6.0 -37.7 196 25 299.2 299.3 281.3 299.9 0.19 31 429 6422 -38.1 -45.1 48 7.0 -38.5 200 26 299.4 299.4 281.3 300.0 0.16 32 419 6584 -39.7 -45.7 53 6.0 -40.0 198 25 299.4 299.4 281.3 299.9 0.15 33 414 6666 -40.3 -47.3 47 7.0 -40.6 197 25 299.6 299.7 281.4 300.1 0.13 34 400 6900 -42.5 -48.5 52 6.0 -42.8 195 24 299.8 299.8 281.4 300.2 0.12 35 397 6951 -43.1 -49.1 52 6.0 -43.3 194 23 299.6 299.6 281.3 300.0 0.11 36 390 7070 -43.5 -51.5 41 8.0 -43.8 193 21 300.6 300.6 281.7 300.9 0.09 37 365 7511 -47.1 -50.3 70 3.2 -47.2 196 15 301.6 301.6 282.1 301.9 0.10 38 357 7658 -47.9 -52.9 56 5.0 -48.0 198 14 302.4 302.4 282.5 302.7 0.08 39 349 7806 -49.3 -52.9 66 3.6 -49.4 188 14 302.5 302.5 282.5 302.8 0.08 40 341 7958 -50.5 -55.0 59 4.5 -50.6 182 14 302.9 302.9 282.6 303.1 0.06 41 334 8092 -51.1 -56.1 55 5.0 -51.2 189 17 303.9 303.9 283.0 304.1 0.06 42 333 8112 -51.1 -57.1 49 6.0 -51.2 190 17 304.1 304.1 283.1 304.3 0.05 43 327 8230 -50.5 -62.5 23 12.0 -50.7 194 17 306.5 306.5 284.0 306.6 0.03 44 300 8790 -51.3 -67.3 13 16.0 -51.5 200 29 313.0 313.0 286.4 313.1 0.01 45 278 9288 -49.5 -70.5 7 21.0 -49.8 215 24 322.5 322.5 289.5 322.6 0.01 46 269 9505 -46.1 -74.1 3 28.0 -46.7 208 22 330.5 330.5 291.9 330.6 0.01 47 258 9782 -48.5 -74.5 3 26.0 -49.0 224 21 331.0 331.0 292.0 331.0 0.01 48 250 9990 -47.7 -77.7 2 30.0 -48.2 235 21 335.2 335.2 293.1 335.2 0.00 49 242 10205 -46.3 -77.3 2 31.0 -46.9 238 20 340.4 340.4 294.4 340.4 0.00 50 207 11241 -45.9 -79.9 1 34.0 -46.6 205 25 356.6 356.6 298.0 356.6 0.00 51 204 11338 -44.7 -79.7 1 35.0 -45.5 211 22 359.9 359.9 298.7 360.0 0.00 52 200 11470 -45.3 -80.3 1 35.0 -46.1 225 19 361.0 361.0 298.9 361.1 0.00 53 196 11605 -45.9 -80.9 1 35.0 -46.7 232 18 362.2 362.2 299.1 362.2 0.00 54 189 11848 -44.7 -80.7 1 36.0 -45.6 246 15 367.9 367.9 300.2 367.9 0.00 55 183 12063 -45.9 -80.9 1 35.0 -46.7 258 12 369.4 369.4 300.5 369.4 0.00 56 172 12477 -44.5 -80.5 1 36.0 -45.5 214 10 378.3 378.3 302.0 378.3 0.00 57 150 13390 -46.5 -81.5 1 35.0 -47.4 210 17 389.9 389.9 303.8 390.0 0.00 58 120 14863 -49.1 -84.1 1 35.0 -50.0 236 14 410.9 410.9 306.6 410.9 0.00 TRP 333 8112 -51.1 -57.1 49 6.0 -51.2 190 17 304.1 304.1 283.1 304.3 0.05 WND Sounding variables and indices 1000-500 mb thick: 5312.00 m Freezing level: 859.33 mb = 1266.01 m = 4153.54 ft Wetbulb zero: 916.76 mb = 744.41 m = 2442.26 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 68.12 % Est. max temperature: 11.53 C = 52.76 F Sfc-Lift cond lev (LCL): 928.45 mb = 641.85 m = 2105.80 ft T: 3.42 C 700-500 lapse rate: 7.82 C/km ThetaE index: 0.44 C Layer 809.0- 703.0 mb Conv cond level (CCL): 786.44 mb = 1967.61 m = 6455.32 ft Mean mixing ratio: 3.18 g/kg Conv temperature: 12.34 C = 54.20 F Cap Strength: 4.25 C Lifted Index: 4.45 C Risk: None Lifted Index @300 mb: 15.71 C Lifted Index @700 mb: 3.28 C Showalter Index: 2.69 C Risk: Showers probable Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.40 C Cross Totals Index: 24.40 C K Index: 18.70 Risk: < 20 % chance of thunderstorms Sweat Index: 152.00 Risk: None Energy Index: 0.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.44 J/kg Max Up Vert Vel: 6.07 m/s Conv Inhibition (B-): 13423.48 J/kg Cap Strength: 4.38 C Lift Cond Lev (LCL): 841.13 mb = 1436.34 m = 4712.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 231 at 14 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 ---------------------------------------------------------- 0 988 138 355 2 0.2 -2.0 | 44 15 -10.4 -10.7 1 968 305 70 12 -11.3 -4.1 | 60 25 -21.9 -12.8 2 932 610 100 10 -9.8 1.7 | 71 22 -20.4 -6.9 3 925 672 115 11 -10.0 4.6 | 79 21 -20.5 -4.0 4 898 914 110 10 -9.4 3.4 | 75 21 -20.0 -5.3 5 864 1219 180 4 0.0 4.0 | 66 12 -10.6 -4.7 6 850 1353 210 8 4.0 6.9 | 75 7 -6.6 -1.7 7 832 1524 170 12 -2.1 11.8 | 104 13 -12.7 3.1 8 800 1829 195 15 3.9 14.5 | 131 9 -6.7 5.8 9 769 2134 210 23 11.5 19.9 | 185 11 0.9 11.2 10 740 2438 215 31 17.8 25.4 | 203 18 7.2 16.7 11 711 2743 210 27 13.5 23.4 | 191 15 2.9 14.7 12 700 2870 215 29 16.6 23.8 | 202 16 6.1 15.1 13 629 3658 215 23 13.2 18.8 | 194 10 2.6 10.2 14 604 3962 215 15 8.6 12.3 | 151 4 -2.0 3.6 15 579 4267 225 17 12.0 12.0 | 203 4 1.4 3.3 16 533 4877 195 16 4.1 15.5 | 136 9 -6.4 6.8 17 512 5182 205 18 7.6 16.3 | 159 8 -3.0 7.6 18 500 5350 185 20 1.7 19.9 | 142 14 -8.8 11.2 19 490 5486 185 20 1.7 19.9 | 142 14 -8.8 11.2 20 449 6096 185 21 1.8 20.9 | 144 15 -8.7 12.2 21 430 6401 200 26 8.9 24.4 | 174 16 -1.7 15.8 22 400 6900 195 24 6.2 23.2 | 163 15 -4.4 14.5 23 376 7315 190 16 2.8 15.8 | 132 11 -7.8 7.1 24 359 7620 200 14 4.8 13.2 | 128 7 -5.8 4.5 25 343 7925 180 14 0.0 14.0 | 117 12 -10.6 5.3 26 333 8112 190 17 3.0 16.7 | 137 11 -7.6 8.1 27 312 8534 205 18 7.6 16.3 | 159 8 -3.0 7.6 28 300 8790 200 29 9.9 27.3 | 178 19 -0.7 18.6 29 298 8839 205 29 12.3 26.3 | 185 18 1.7 17.6 30 284 9144 225 25 17.7 17.7 | 218 11 7.1 9.0 31 271 9449 205 22 9.3 19.9 | 174 11 -1.3 11.3 32 250 9990 235 21 17.2 12.0 | 243 7 6.6 3.4 33 236 10363 240 19 16.5 9.5 | 262 6 5.9 0.8 34 226 10668 205 24 10.1 21.8 | 178 13 -0.4 13.1 35 216 10973 205 30 12.7 27.2 | 186 19 2.1 18.5 36 206 11278 205 24 10.1 21.8 | 178 13 -0.4 13.1 37 200 11470 225 19 13.4 13.4 | 211 6 2.9 4.8 38 179 12192 265 11 11.0 1.0 | 357 8 0.4 -7.7 39 171 12497 210 10 5.0 8.7 | 90 6 -5.6 -0.0 40 164 12802 225 21 14.8 14.8 | 215 8 4.3 6.2 41 157 13106 230 12 9.2 7.7 | 55 2 -1.4 -1.0 42 150 13390 210 17 8.5 14.7 | 161 6 -2.1 6.0 43 149 13411 215 15 8.6 12.3 | 151 4 -2.0 3.6 44 141 13716 210 18 9.0 15.6 | 167 7 -1.6 6.9 45 134 14021 230 23 17.6 14.8 | 229 9 7.0 6.1 46 127 14326 260 14 13.8 2.4 | 333 7 3.2 -6.2 47 120 14630 235 14 11.5 8.0 | 306 1 0.9 -0.6 48 113 14935 235 14 11.5 8.0 | 306 1 0.9 -0.6 49 107 15240 245 10 9.1 4.2 | 19 5 -1.5 -4.4 Wind Parameters Mean winds (0-6000m): 200.6 at 18.2 knts Storm direction: 230.6 at 13.7 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 155.7 deg Storm rel helicity (0-3000m) pos: 162.1 neg: -27.9 tot: 134.2 m^2/s^2 ave: 44.7 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 13.2 stream: 5.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.23 Bulk Shear: 80.13 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 80 10 63 23| 11.7 0.0 11.7| 72.2 0.0 72.2 144.5 0.60| 20.6 12.4 1000 99 9 70 21| 3.9 0.0 3.9| 82.8 -7.1 75.8 75.8 0.41| 15.5 6.4 1500 123 9 79 19| 5.2 0.0 5.2|101.3 -11.4 89.9 59.9 0.40| 15.7 6.3 2000 158 11 97 15| 6.4 0.0 6.4|133.4 -11.4 122.0 61.0 0.52| 15.4 7.9 2500 186 15 123 11| 6.2 0.0 6.2|151.0 -21.7 129.3 51.7 0.47| 14.6 6.8 3000 196 17 142 10| 4.9 0.0 4.9|162.1 -27.9 134.2 44.7 0.45| 13.2 5.9 4000 203 18 157 9| 2.8 0.5 3.2|163.4 -38.9 124.5 31.1 0.34| 11.6 3.9 5000 204 18 157 8| 2.2 0.6 2.8|170.3 -47.7 122.6 24.5 0.28| 10.5 2.9 6000 201 18 154 9| 2.0 1.0 3.0|177.0 -56.0 121.0 20.2 0.25| 9.5 2.4 Wrote GIF file: /home/apache/climate/data/raob//PAFA/skewt/PAFA.skewt.20250430.12.gif