JULY 2001 VOLUME 43 NUMBER 07 STORM DATA AND UNUSUAL WEATHER PHENOMENA WITH LATE REPORTS AND CORRECTIONS NATIONAL OCEANIC AND NATIONAL ENVIRONMENTAL SATELLITE, NATIONAL CLIMATIC DATA CENTER noaa ATMOSPHERIC ADMINISTRATION DATA AND INFORMATION SERVICE ASHEVILLE, NC Cover:. A van windshield and hood damaged from baseball-to-softball sized hail that fell in Broadus, MT on July 18, 2001. (Photo courtesy: Stephan Kuhl, WCM, WFO Billings, MT.) TABLE OF CONTENTS Page Outstanding Storm of the Month ..……..…………………..……………..……………..……………..…. 4 Storm Data and Unusual Weather Phenomena ....………..…………..…..……………..……………..…. 5 Additions/Corrections ..………….……………………………………………………………………….. 306 Reference Notes ..……..………..……………..……………..……………..…………..………………… 319 STORM DATA (ISSN 0039-1972) National Climatic Data Center Editor: Stephen Del Greco Assistant Editors: Stuart Hinson and Rhonda Mooring STORM DATA is prepared, and distributed by the National Climatic Data Center (NCDC), National Environmental Satellite, Data and Information Service (NESDIS), National Oceanic and Atmospheric Administration (NOAA). The Storm Data and Unusual Weather Phenomena narratives and Hurricane/Tropical Storm summaries are prepared by the National Weather Service. Monthly and annual statistics and summaries of tornado and lightning events resulting in deaths, injuries, and damage are compiled by the National Climatic Data Center and the National Weather Service's (NWS) Storm Prediction Center. STORM DATA contains all confirmed information on storms available to our staff at the time of publication. Late reports and corrections will be printed in each edition. Except for limited editing to correct grammatical errors, the data in Storm Data are published as received. Note: "None Reported" means that no severe weather occurred and "Not Received" means that no reports were received for this region at the time of printing. Subscription, pricing, and ordering information is available from: NCDC Subscription Services 310 State Route 956 Building 300 Rocket Center, WV 26726 (866) 742-3322 Toll Free The editors of STORM DATA solicit your help in acquiring photographs (prints or slides; black and white, or color), maps, clippings, etc. of significant or severe weather events (past or present) for use in the "Outstanding Storms of the Month'' section of STORM DATA. We request our subscribers or other interested persons to mail such items to: Storm Data National Climatic Data Center 151 Patton Avenue Asheville, NC 28801 Any such items received by the editor will be for use in STORM DATA only. Any other use will be with the permission of the owner of said items. Materials will be returned if requested. This is an official publication of the National Oceanic and Atmospheric Administration and is compiled from information received at the National Climatic Data Center Asheville, North Carolina 28801-2733. Thomas R. Karl Director, National Climatic Data Center 2 July 2001 Confirmed Tornadoes 3 F Scale F0 F1 F2 F3 F4 F Scale F0 F1 F2 F3 F4 F5 Total F5 N um ber 100 16 6 1 0 0 123 OUTSTANDING STORMS OF THE MONTH Large Hail in Montana A favorable and persistent weather pattern with wind shear and moisture combined to produce numerous severe thunderstorms over south-central and southeastern Montana during late June and July 2001. During the afternoon and evening hours of July 18, 2001, numerous supercell thunderstorms (mainly hail producers) developed over the area. One such thunderstorm produced baseball-to-softball sized hail in Broadus, MT. Numerous car windshields and house windows were smashed. Vinyl siding from houses and leaves from trees were stripped. There were no fatalities or injuries reported with this event. Property damage totals exceeded one million dollars. Left: A teepee received damage from the hailstorm on July 18, 2001. (Photos courtesy: Stephan Kuhl, WCM, WFO Billings, MT) Right: Vinyl siding and windows were damaged from the hailstorm. Left: A car windshield and hood damaged from the hailstorm in Broadus, MT. 4 Storm Data and Unusual Weather Phenomena Time Path Path Number of Estimated July 2001 Local/ Length Width Persons Damage Location Date Standard (Miles) (Yards) Killed Injured Property Crops Character of Storm ALABAMA, North Central Franklin County Phil Campbell 02 1300CST 0 0 2K 0 Thunderstorm Wind (G50) Trees were blown down near Phil Campbell. A piece of roof was torn off the Fellowship Hall Church on SR 237. Marshall County Guntersville 03 1500CST 0 0 2K 0 Thunderstorm Wind (G50) A few trees and power lines were blown down in the city of Guntersville. Lightning from the storms caused numerous locations to be without power for several hours. Lauderdale County Lexington 04 1600CST 0 1 0 0 Lightning A man was struck by lightning near Lexington. The extent of his injuries was unknown. Lauderdale County 5 SW Florence 04 1606CST 0 0 2K 0 Thunderstorm Wind (G50) Trees were blown down west and southwest of Florence along the Tennessee River. A few trees were also blown down near Waterloo. Colbert County Muscle Shoals 04 1620CST 0 0 1K 0 Thunderstorm Wind (G50) A few trees and power lines were knocked down in and around Muscle Shoals. Madison County Countywide 04 1640CST 0 0 4K 0 Thunderstorm Wind (G50) 1650CST A few trees were blown down in different locations across the county. Jackson County Scottsboro 04 1710CST 0 0 8K 0 Thunderstorm Wind (G55) 1725CST Several trees were blown down near the hospital in Scottsboro. Additional trees and some power lines were knocked down south and southwest of the city. Three boat houses and some boats were damaged at the Goose Lake Colony off SR 79. Several boats broke loose in the high wind and damaged each other and the boat houses. Limestone County Countywide 05 1120CST 0 0 6K 0 Thunderstorm Wind (G55) 1200CST Madison County Countywide 05 1125CST 0 0 3K 0 Thunderstorm Wind (G55) 1140CST Jackson County Countywide 05 1145CST 0 0 2K 0 Thunderstorm Wind (G55) 1215CST Lauderdale County Countywide 05 1145CST 0 0 5K 0 Thunderstorm Wind (G55) 1230CST Colbert County Countywide 05 1215CST 0 0 4K 0 Thunderstorm Wind (G55) 1235CST Marshall County Countywide 05 1215CST 0 0 4K 0 Thunderstorm Wind (G55) 1235CST Lawrence County Countywide 05 1240CST 0 0 5K 0 Thunderstorm Wind (G55) 1300CST Morgan County Countywide 05 1240CST 0 0 4K 0 Thunderstorm Wind (G55) 1300CST Winston County Countywide 05 1325CST 0 0 3K 0 Thunderstorm Wind (G55) 1345CST Cullman County Countywide 05 1330CST 0 0 3K 0 Thunderstorm Wind (G55) 1350CST 1 5 Storm Data and Unusual Weather Phenomena Time Path Path Number of Estimated July 2001 Local/ Length Width Persons Damage Location Date Standard (Miles) (Yards) Killed Injured Property Crops Character of Storm ALABAMA, North Central Blount County Countywide 05 1335CST 0 0 6K 0 Thunderstorm Wind (G55) 1350CST Walker County Eldridge 05 1400CST 0 0 2K 0 Thunderstorm Wind (G55) Jefferson County Countywide 05 1415CST 0 0 15K 0 Thunderstorm Wind (G55) 1435CST Calhoun County Countywide 05 1430CST 0 0 5K 0 Thunderstorm Wind (G55) 1445CST St. Clair County Springville 05 1430CST 0 0 3K 0 Thunderstorm Wind (G55) Cleburne County Countywide 05 1435CST 0 0 3K 0 Thunderstorm Wind (G55) 1450CST Shelby County Countywide 05 1445CST 0 0 3K 0 Thunderstorm Wind (G55) 1458CST Talladega County Countywide 05 1445CST 0 0 2K 0 Thunderstorm Wind (G55) 1500CST Tuscaloosa County Countywide 05 1450CST 0 0 4K 0 Thunderstorm Wind (G55) 1510CST Chilton County Countywide 05 1455CST 0 0 4K 0 Thunderstorm Wind (G55) 1510CST Clay County Countywide 05 1510CST 0 0 2K 0 Thunderstorm Wind (G55) 1525CST Bibb County Countywide 05 1515CST 0 0 2K 0 Thunderstorm Wind (G55) 1530CST Coosa County Countywide 05 1515CST 0 0 2K 0 Thunderstorm Wind (G55) 1530CST Randolph County Woodland 05 1530CST 0 0 1K 0 Thunderstorm Wind (G50) Chambers County Countywide 05 1545CST 0 0 2K 0 Thunderstorm Wind (G55) 1555CST Tallapoosa County Countywide 05 1545CST 0 0 4K 0 Thunderstorm Wind (G55) 1610CST Lee County Countywide 05 1625CST 0 0 2K 0 Thunderstorm Wind (G55) 1650CST A line of severe thunderstorms entered northern Alabama just after noon CDT and moved through mainly the eastern two thirds of north and central Alabama. The storms exited southeast Alabama just after 6 pm CDT. Severe Thunderstorm Warnings were issued for 27 separate counties with a total of 31 Severe Thunderstorm Warnings issued during the event. During each of the 31 Severe Thunderstorm Warnings, damaging wind gusts occurred. Numerous trees and power lines were blown down across north and central Alabama. Several locations received more concentrated damage than others, but generally the damage occurred in a sporadic manner where varying storm intensity concentrated higher wind gusts. No injuries were reported during this event with respect to the wind damage. Lauderdale County Waterloo 05 1143CST 0 1 0 0 Lightning A man was struck by lightning near Waterloo. This man was taken to the hospital with injuries but the extent of those injuries was unknown. 2 6 Storm Data and Unusual Weather Phenomena Time Path Path Number of Estimated July 2001 Local/ Length Width Persons Damage Location Date Standard (Miles) (Yards) Killed Injured Property Crops Character of Storm ALABAMA, North Central Limestone County Countywide 05 1200CST 0 0 4K 0 Flash Flood 1300CST Radar estimated one to three inches of rainfall in a very short period of time across Limestone County. This heavy rainfall caused many roads to become covered with water and temporarily impassable. Marshall County Arab 05 1230CST 0 0 3K 0 Flash Flood 1330CST A few roads in and near the city of Arab were flooded and some were temporarily impassable. Morgan County Countywide 05 1300CST 0 0 3K 0 Flash Flood 1400CST Very heavy rainfall in a short period of time covered many roads with high water. This water made many roads temporarily impassable. Madison County Countywide 05 1300CST 0 0 6K 0 Flash Flood 1400CST Very heavy rainfall in a short period of time covered many roads with high water.