UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 25 APR 25 Station: VH004 WMO ident: 45004 Latitude: 22.32 Longitude: 114.17 ------------------------------------------------------------------------------- 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 1004 66 23.2 22.2 94 1.0 22.5 0 0 296.0 299.1 295.5 345.0 17.02 1 1000 101 23.4 21.7 90 1.7 22.2 130 1 296.5 299.5 295.4 344.3 16.56 2 929 742 20.2 17.5 84 2.7 18.4 196 13 299.6 302.1 294.2 339.5 13.67 3 925 779 20.4 16.8 80 3.6 17.9 195 15 300.2 302.6 294.0 338.6 13.12 4 917 854 20.8 16.1 74 4.7 17.6 195 16 301.3 303.6 294.0 338.6 12.65 5 882 1190 18.0 16.6 92 1.4 17.1 204 14 301.8 304.3 294.8 341.9 13.60 6 859 1417 16.6 14.8 89 1.8 15.4 212 12 302.6 304.9 294.1 339.4 12.42 7 850 1507 17.6 13.6 77 4.0 15.0 215 11 304.6 306.7 294.1 339.2 11.60 8 824 1773 16.6 13.7 83 2.9 14.7 214 15 306.2 308.5 294.9 342.4 12.05 9 818 1836 16.8 13.1 79 3.7 14.4 218 16 307.1 309.3 294.8 342.3 11.66 10 783 2208 14.2 10.6 79 3.6 11.9 238 19 308.2 310.1 294.2 339.4 10.31 11 757 2493 12.4 12.4 100 0.0 12.4 248 19 309.2 311.5 295.7 345.8 12.05 12 700 3147 7.8 7.2 96 0.6 7.5 260 17 311.1 312.9 294.1 339.3 9.15 13 652 3730 5.0 1.0 75 4.0 2.8 265 21 314.3 315.6 292.9 334.2 6.32 14 623 4100 1.6 1.6 100 0.0 1.6 263 20 314.6 315.9 293.4 336.3 6.92 15 551 5083 -2.3 -3.0 95 0.7 -2.7 251 20 321.2 322.3 294.1 339.3 5.57 16 500 5850 -6.3 -6.6 98 0.3 -6.4 255 31 325.4 326.3 294.5 340.8 4.67 17 400 7570 -15.7 -17.4 87 1.7 -16.3 250 27 334.6 335.1 295.1 343.2 2.44 18 375 8053 -18.7 -19.8 91 1.1 -19.1 255 24 336.8 337.3 295.4 344.4 2.12 19 351 8543 -21.5 -23.5 84 2.0 -22.1 260 21 339.5 339.8 295.6 345.5 1.64 20 300 9680 -29.7 -32.9 74 3.2 -30.3 265 23 343.5 343.7 295.8 346.6 0.80 21 298 9728 -30.1 -33.4 73 3.3 -30.7 264 23 343.6 343.8 295.8 346.6 0.77 22 267 10498 -36.3 -38.5 80 2.2 -36.6 257 29 345.5 345.6 296.1 347.6 0.51 23 250 10950 -39.5 -43.9 63 4.4 -39.9 260 33 347.3 347.4 296.3 348.6 0.31 24 213 12028 -49.3 -54.3 56 5.0 -49.5 259 40 348.4 348.4 296.4 348.8 0.11 25 200 12440 -52.1 -60.1 38 8.0 -52.4 255 44 350.3 350.3 296.7 350.5 0.06 26 171 13437 -59.1 -66.1 40 7.0 -59.2 270 42 354.7 354.7 297.7 354.9 0.03 27 166 13623 -59.5 -70.5 23 11.0 -59.6 270 40 357.1 357.1 298.1 357.1 0.02 28 150 14250 -63.9 -72.9 28 9.0 -64.0 270 33 360.0 360.0 298.7 360.1 0.01 29 136 14844 -68.7 -76.7 31 8.0 -68.8 273 29 361.7 361.7 299.1 361.8 0.01 30 100 16640 -79.1 -86.1 31 7.0 -79.1 250 25 374.9 374.9 301.4 374.9 0.00 31 92 17110 -81.5 -85.8 48 4.3 -81.5 270 11 379.2 379.2 302.1 379.2 0.00 32 79 17961 -82.5 -89.5 29 7.0 -82.5 217 11 394.0 394.0 304.4 394.0 0.00 33 70 18640 -79.5 -88.5 21 9.0 -79.5 350 11 414.3 414.3 307.0 414.3 0.00 34 63 19242 -77.1 -89.1 13 12.0 -77.1 55 9 432.3 432.3 309.1 432.3 0.00 35 60 19525 -74.7 -89.7 8 15.0 -74.7 139 9 443.7 443.7 310.3 443.7 0.00 36 58 19726 -66.9 -87.9 4 21.0 -67.1 155 11 465.6 465.6 312.3 465.7 0.00 37 55 20049 -64.3 -87.3 3 23.0 -64.6 122 9 478.7 478.7 313.4 478.7 0.00 38 50 20630 -66.5 -87.5 4 21.0 -66.7 125 11 486.8 486.8 314.0 486.8 0.00 39 49 20752 -66.7 -88.7 3 22.0 -67.0 179 4 489.1 489.1 314.1 489.1 0.00 40 39 22139 -65.1 -89.1 2 24.0 -65.5 37 15 526.2 526.2 316.7 526.2 0.00 41 35 22804 -62.3 -88.3 2 26.0 -62.9 68 24 550.0 550.0 318.1 550.0 0.00 42 33 23174 -54.7 -86.7 1 32.0 -56.2 94 24 579.5 579.5 319.6 579.5 0.01 43 30 23790 -50.5 -83.5 1 33.0 -52.9 105 13 607.0 607.0 320.9 607.1 0.01 44 25 24981 -49.7 -83.7 1 34.0 -52.7 90 19 641.8 641.8 322.4 641.9 0.01 45 22 25810 -53.3 -85.3 1 32.0 -55.7 111 13 654.9 654.9 322.9 655.0 0.01 46 20 26430 -48.9 -83.9 1 35.0 -52.7 125 17 686.5 686.5 324.0 686.6 0.02 47 19 26769 -48.1 -83.1 1 35.0 -52.3 123 21 699.1 699.1 324.4 699.3 0.02 48 13 29286 -46.7 -83.7 1 37.0 -52.7 97 18 784.1 784.1 326.8 784.4 0.03 49 11 30421 -36.9 -78.9 0 42.0 -48.4 71 18 858.1 858.1 328.6 858.8 0.07 50 10 31080 -38.1 -80.1 0 42.0 -49.4 60 19 877.3 877.4 329.0 878.0 0.07 51 8.5 32196 -39.3 -81.3 0 42.0 -50.8 914.4 914.4 329.7 915.0 0.06 TRP 92 17110 -81.5 -85.8 48 4.3 -81.5 270 11 379.2 379.2 302.1 379.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5749.00 m Freezing level: 593.46 mb = 4503.26 m = 14774.30 ft Wetbulb zero: 596.04 mb = 4454.07 m = 14612.92 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 90.28 % Est. max temperature: 30.91 C = 87.63 F Sfc-Lift cond lev (LCL): 989.83 mb = 189.92 m = 623.08 ft T: 22.96 C 700-500 lapse rate: 5.22 C/km ThetaE index: 11.59 C Layer 700.0- 623.0 mb Conv cond level (CCL): 875.53 mb = 1253.42 m = 4112.24 ft Mean mixing ratio: 14.61 g/kg Conv temperature: 29.22 C = 84.60 F Cap Strength: 2.72 C Lifted Index: -0.05 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.59 C Lifted Index @700 mb: -0.31 C Showalter Index: 0.83 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 19.90 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 216.20 Risk: None Energy Index: 0.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 83.63 J/kg Max Up Vert Vel: 12.93 m/s Conv Inhibition (B-): 115.95 J/kg Cap Strength: 2.71 C Lift Cond Lev (LCL): 918.09 mb = 844.05 m = 2769.16 ft Lev Free Conv (LFC): 703.09 mb = 3110.26 m = 10204.13 ft Equ Level (EL): 493.09 mb = 5957.32 m = 19544.78 ft B at Equ Level: 83.60 J/kg Max Parcel Lev (MPL): 363.09 mb = 8292.22 m = 27205.12 ft Wind level data Storm motion: 277 at 13 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 1004 66 0 0 -0.0 -0.0 | 97 13 -13.3 1.7 1 1000 101 130 1 -0.8 0.6 | 99 14 -14.0 2.3 2 977 305 0 0 -0.0 -0.0 | 97 13 -13.3 1.7 3 943 610 200 7 2.4 6.6 | 127 14 -10.9 8.3 4 925 779 195 15 3.9 14.5 | 150 19 -9.4 16.2 5 911 914 195 17 4.4 16.4 | 154 20 -8.9 18.1 6 850 1507 215 11 6.3 9.0 | 147 13 -7.0 10.7 7 848 1524 200 13 4.4 12.2 | 148 16 -8.8 13.9 8 789 2134 235 19 15.6 10.9 | 190 13 2.3 12.6 9 761 2438 250 19 17.9 6.5 | 209 9 4.6 8.2 10 734 2743 240 19 16.5 9.5 | 196 12 3.2 11.2 11 700 3147 260 17 16.7 3.0 | 217 6 3.5 4.7 12 682 3353 265 17 16.9 1.5 | 229 5 3.7 3.2 13 657 3658 265 21 20.9 1.8 | 245 8 7.6 3.5 14 586 4572 260 19 18.7 3.3 | 227 7 5.4 5.0 15 564 4877 260 17 16.7 3.0 | 217 6 3.5 4.7 16 543 5182 245 21 19.0 8.9 | 209 12 5.8 10.6 17 523 5486 265 27 26.9 2.4 | 253 14 13.6 4.1 18 504 5791 260 33 32.5 5.7 | 249 21 19.2 7.4 19 500 5850 255 31 29.9 8.0 | 240 19 16.7 9.7 20 484 6096 250 29 27.3 9.9 | 230 18 14.0 11.6 21 466 6401 245 29 26.3 12.3 | 223 19 13.0 14.0 22 400 7570 250 27 25.4 9.2 | 228 16 12.1 10.9 23 351 8534 260 21 20.7 3.6 | 234 9 7.4 5.4 24 323 9144 275 25 24.9 -2.2 | 272 12 11.6 -0.5 25 300 9680 265 23 22.9 2.0 | 249 10 9.6 3.7 26 284 10058 255 25 24.1 6.5 | 233 14 10.9 8.2 27 250 10950 260 33 32.5 5.7 | 249 21 19.2 7.4 28 238 11278 265 33 32.9 2.9 | 257 20 19.6 4.6 29 200 12440 255 44 42.5 11.4 | 246 32 29.2 13.1 30 198 12497 255 42 40.6 10.9 | 245 30 27.3 12.6 31 180 13106 270 46 46.0 -0.0 | 267 33 32.7 1.7 32 150 14250 270 33 33.0 -0.0 | 265 20 19.7 1.7 33 141 14630 275 33 32.9 -2.9 | 273 20 19.6 -1.2 34 127 15240 270 21 21.0 -0.0 | 258 8 7.7 1.7 35 114 15850 235 21 17.2 12.0 | 196 14 3.9 13.8 36 100 16640 250 25 23.5 8.6 | 225 14 10.2 10.3 37 98 16764 250 25 23.5 8.6 | 225 14 10.2 10.3 38 92 17110 270 11 11.0 -0.0 | 127 3 -2.3 1.7 39 88 17374 275 13 13.0 -1.1 | 151 1 -0.3 0.6 40 79 17983 215 11 6.3 9.0 | 147 13 -7.0 10.7 41 75 18288 290 15 14.1 -5.1 | 347 4 0.8 -3.4 42 71 18593 325 21 12.0 -17.2 | 5 16 -1.2 -15.5 43 70 18640 350 11 1.9 -10.8 | 51 15 -11.4 -9.1 44 67 18898 345 11 2.8 -10.6 | 49 14 -10.4 -8.9 45 64 19202 35 9 -5.2 -7.4 | 73 19 -18.4 -5.7 46 60 19507 135 9 -6.4 6.4 | 112 21 -19.6 8.1 47 57 19812 160 11 -3.8 10.3 | 125 21 -17.0 12.0 48 55 20117 115 9 -8.2 3.8 | 104 22 -21.4 5.5 49 52 20422 255 9 8.7 2.3 | 131 6 -4.6 4.0 50 50 20630 125 11 -9.0 6.3 | 110 24 -22.3 8.0 51 49 20726 180 3 0.0 3.0 | 110 14 -13.3 4.7 52 47 21031 165 9 -2.3 8.7 | 124 19 -15.6 10.4 53 42 21641 330 9 4.5 -7.8 | 55 11 -8.8 -6.1 54 40 21946 35 15 -8.6 -12.3 | 64 24 -21.9 -10.6 55 37 22555 40 15 -9.6 -11.5 | 67 25 -22.9 -9.8 56 35 22860 70 25 -23.5 -8.6 | 79 37 -36.8 -6.8 57 33 23165 90 25 -25.0 0.0 | 93 38 -38.3 1.7 58 30 23774 150 15 -7.5 13.0 | 125 25 -20.8 14.7 59 30 23790 105 13 -12.6 3.4 | 101 26 -25.8 5.1 60 29 24079 150 15 -7.5 13.0 | 125 25 -20.8 14.7 61 27 24384 95 15 -14.9 1.3 | 96 28 -28.2 3.0 62 25 24994 90 19 -19.0 0.0 | 93 32 -32.3 1.7 63 24 25298 100 11 -10.8 1.9 | 99 24 -24.1 3.6 64 23 25603 125 9 -7.4 5.2 | 108 22 -20.6 6.9 65 22 25908 105 15 -14.5 3.9 | 101 28 -27.8 5.6 66 21 26213 120 33 -28.6 16.5 | 114 46 -41.9 18.2 67 20 26430 125 17 -13.9 9.8 | 113 30 -27.2 11.5 68 20 26518 115 13 -11.8 5.5 | 106 26 -25.1 7.2 69 19 26822 125 23 -18.8 13.2 | 115 35 -32.1 14.9 70 18 27127 150 15 -7.5 13.0 | 125 25 -20.8 14.7 71 17 27432 150 9 -4.5 7.8 | 118 20 -17.8 9.5 72 16 28042 105 17 -16.4 4.4 | 102 30 -29.7 6.1 73 15 28346 90 21 -21.0 0.0 | 93 34 -34.3 1.7 74 14 28651 115 19 -17.2 8.0 | 108 32 -30.5 9.7 75 14 28956 105 23 -22.2 6.0 | 102 36 -35.5 7.7 76 13 29261 95 17 -16.9 1.5 | 96 30 -30.2 3.2 77 13 29566 105 21 -20.3 5.4 | 102 34 -33.6 7.1 78 12 29870 90 17 -17.0 0.0 | 93 30 -30.3 1.7 79 11 30175 75 17 -16.4 -4.4 | 85 30 -29.7 -2.7 80 10 31080 60 19 -16.5 -9.5 | 75 31 -29.7 -7.8 Wind Parameters Mean winds (0-6000m): 247.3 at 17.8 knts Storm direction: 277.3 at 13.4 knts Shear (0-3000m) pos: 2.7 neg: 2.7 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 114.1 deg Storm rel helicity (0-3000m) pos: 105.5 neg: -15.6 tot: 90.0 m^2/s^2 ave: 30.0 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 4.4 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 2.36 Bulk Shear: 35.43 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 ------------------------------------------------------------------------------- 500 214 2 105 13| 0.0 6.2 6.2| 15.4 -3.9 11.5 22.9 0.44| 10.8 4.7 1000 196 8 129 14| 0.0 8.0 8.0| 49.1 -4.1 45.0 45.0 0.53| 12.3 6.6 1500 200 10 137 15| 0.7 5.3 6.0| 50.9 -10.0 40.9 27.3 0.36| 11.1 4.0 2000 207 11 145 14| 2.4 4.0 6.4| 85.5 -10.0 75.5 37.8 0.49| 10.7 5.3 2500 218 13 155 13| 2.8 3.2 6.0|100.0 -12.1 87.9 35.2 0.50| 10.0 5.0 3000 225 14 162 12| 2.7 2.7 5.3|105.5 -15.6 90.0 30.0 0.46| 9.5 4.4 4000 238 15 177 10| 2.5 2.1 4.6|111.1 -17.8 93.3 23.3 0.44| 8.1 3.6 5000 244 16 186 9| 2.0 2.0 4.0|111.1 -24.0 87.1 17.4 0.35| 7.2 2.6 6000 247 18 200 9| 2.5 2.2 4.7|143.6 -60.5 83.1 13.8 0.29| 8.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250425.00.gif