The Office Newsletter of NWS Amarillo
| WINTER 2005 |
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The Office Newsletter of NWS Amarillo |
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The Dryline |
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National Weather Service Reviews 2004 Weather |
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2004 was another unusual year. The most significant weather event was the devastating hail storm which struck primarily the western sections of Amarillo on the evening of Monday June 21st. At least eight short-lived tornadoes were sighted across Potter and Randall Counties by NWS storm spotters. There were over 60 confirmed reports of large hail (up to softball size) received by NWS Amarillo. The year ranks as the 9th wettest on record with 26.31 inches. This is 7.60 inches above the 30 year normal. Heavy rains during the summer months kept temperatures pleasantly below normal. Nine of the 12 months received above normal precipitation. There were only 13 tornadoes across the Texas and Oklahoma panhandles in 2004. The average number of tornadoes per year is 23. |
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In This Issue... |
| NWS Amarillo 2004 severe weather season statistics for tornadoes, hail (penny size or larger) and damaging winds (58 mph or greater) are represented in the adjacent graph. Critical Success Index (CSI) is a measure of overall performance. 1.00 is the best score. Probability Of Detection (POD) is the percentage of events detected. False Alarm Rate (FAR) is the fraction of warnings in which no severe weather was reported. It's good if this number is low. Percent Verified is the percentage of all warnings (tornado warnings and severe thunderstorm warnings) issued that were verified with severe weather. 100% is the best score. |
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The National Weather Service 1900 English Rd. Amarillo Texas 79108 -- Ph (806) 335-1121
