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JUNE 2003 VOLUME 45 NUMBER 6 SSTORMTORM DDATAATA AND UNUSUAL WEATHER PHENOMENA WITH LATE REPORTS AND CORRECTIONS NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION noaa NATIONAL ENVIRONMENTAL SATELLITE, DATA AND INFORMATION SERVICE NATIONAL CLIMATIC DATA CENTER, ASHEVILLE, NC Cover: On June 22, 2003, severe thunderstorms produced tornadoes, fl ooding and giant hail in parts of Nebraska. This hailstone measured 7.0 inches in diameter and 18.75 inches in circumference, both a new record. The previous record hailstone fell in Coffeyville, Kansas on September 3, 1970 with a 5.7 inch diameter and a 17.5 inch circumference. (Photo courtesy: Stephen Kisner, WCM, NWS Forecast Offi ce, Hastings, NE.) TABLE OF CONTENTS Page Outstanding Storm of the Month …..…………….….........……..…………..…….…..…..... 4 Storm Data and Unusual Weather Phenomena ....…….…....………..……...........….................. 5 Additions/Corrections .......................................................................................................................... 369 Reference Notes .............……...........................……….........…..……............................................. 378 STORM DATA (ISSN 0039-1972) National Climatic Data Center Editor: William Angel Assistant Editors: Stuart Hinson and Rhonda Herndon 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 re- sulting 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 confi rmed 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 re- ceived 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 editor of STORM DATA solicit your help in acquiring photographs (prints or slides; black and white, or color), maps, clippings, etc. of signifi cant 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 e-mail: [email protected] Any such items received by the editor will be for use in STORM DATA only. Any other use will be with the permis- sion of the owner of said items. Materials will be returned if requested. This is an offi cial 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 June 2003 Confirmed Tornadoes 3 F Scale F 0 F 1 F 2 F 3 F 4 F Scale F0 F1 F2 F3 F4 F5 Total F 5 Number 242 33 11 3 2 0 291 One F0 Tornado in Hawaii OUTSTANDING STORMS OF THE MONTH Record Size Hail on June 22 During the late afternoon and evening hours of June 22, 2003, severe thunderstorms produced tornadoes, flooding, and hail. An unstable airmass developed during the afternoon as a result of continued deep moisture advection from the Gulf of Mexico, surface heating, and strong wind shear. Two primary supercell thunderstorms formed, one across northern and central Hamilton County, Nebraska, and another over Thayer (NE), Jewell and Republic (KS) counties. Seven tornadoes, six rated as an F0 and one as F2, as defined by the Fujita Tornado Scale touchdown in Nebraska while Kansas had 6 tornado (three F0’s, two F1’s and one F2) touchdowns. One death and 7 injuries occurred in Nebraska. Rainfall amounts over 12 inches caused flooding to agricultural areas, damage to roads and personal property. Several million dollars in damage is attributed to the flooding. On June 23 and 25, 2003, the Hastings National Weather Service Office conducted damage surveys documenting the size of the hail and damage in the city of Aurora, Nebraska. The largest stone found on June 23, above left, measured 6.5 inches in diameter, 17 3/8 inches in circumference and a certified weight of 1.33 pounds. Larger hailstones were reported and verified on June 25 with this hailstone measuring 7.0 inches in diameter and 18.75 inch circumference, shown on the cover and above right. Many very large impact craters were noted in some yards, with the largest measuring 12 inches wide and 3 inches deep, below. (Photos courtesy: Stephen Kisner, WCM, NWS Forecast Office, Hastings, NE.) 4 Storm Data and Unusual Weather Phenomena Time Path Path Number of Estimated June 2003 Local/ Length Width Persons Damage Location Date Standard (Miles) (Yards) Killed Injured Property Crops Character of Storm ALABAMA, Central Lamar County 6.6 SW Vernon 02 1634CST 0 0 0 0 Hail (0.88) Nickel size hail was reported near the Star community. Lamar County 1 S Kennedy 02 1645CST 0 0 0 0 Hail (0.75) Penny size hail was observed just south of Kennedy. Tuscaloosa County 8.5 NE Northport 02 1819CST 0 0 5K 0 Hail (1.00) Nickel to quarter size hail fell northeast of Northport and Tuscaloosa. The hail was observed on Lock 15 Road between Lake Nicol and the Black Warrior River. One vehicle sustained hail damage indicating some of the hail may have been larger. Perry County Suttle 02 1900CST 0 0 6K 0 Hail (1.75) Golf ball size hail was reported near Suttle along SR 14. Autauga County Billingsley 02 1910CST 0 0 0 0 Hail (0.75) Penny size hail was observed in Billingsley. Jefferson County Bessemer 02 1942CST 0 0 0 0 Hail (1.25) Half dollar size hail was reported by a motorist in Bessemer. Jefferson County 3.6 NW Pleasant Grove 02 1945CST 0 0 0 0 Hail (0.75) Penny size hail fell in the Sylvan Springs area. Sumter County Cuba 02 2045CST 0 0 10K 0 Thunderstorm Wind (G50) Two large trees were blown down. One tree fell on a home causing minor damage. The other tree fell on some power lines. Winston County 2 S Arley 10 1555CST 0 0 27K 0 Thunderstorm Wind (G60) 1601CST One mobile home was destroyed, a few power poles were blown down, and the roof of one home was damaged just south of Arley. Marble size hail was also reported with this storm. Lamar County Countywide 11 1236CST 0 0 8K 0 Thunderstorm Wind (G50) 1252CST Several trees were blown down across the county. The damage primarily occurred in the eastern part of the county, north and east of Vernon. Marion County Countywide 11 1248CST 0 0 20K 0 Thunderstorm Wind (G50) 1315CST Numerous trees were blown down throughout Marion County. Several of the trees temporarily blocked roadways. Cities that reported damage include Guin, Hamilton, Winfield, Brilliant, and Sunny Home. Fayette County Countywide 11 1252CST 0 0 4K 0 Thunderstorm Wind (G50) 1322CST Several trees were blown down across the county. Winston County Countywide 11 1257CST 0 0 250K 0 Thunderstorm Wind (G65) 1352CST Numerous trees were knocked down countywide. One large storage building was destroyed. Southern Homes in Double Springs sustained significant damage to its plant. Many buildings were damaged or destroyed at the plant. One chicken house was damaged and one mobile home was destroyed. Shelby County Countywide 11 1317CST 0 0 13K 0 Thunderstorm Wind (G50) 1403CST Several trees were blown down throughout the county. Cities that reported damage included Alabaster, Calera, Columbiana, and Shelby. Walker County Countywide 11 1340CST 0 0 10K 0 Thunderstorm Wind (G50) 1355CST Numerous trees and power lines were blown down primarily across the southern and eastern parts of the county. 1 5 Storm Data and Unusual Weather Phenomena Time Path Path Number of Estimated June 2003 Local/ Length Width Persons Damage Location Date Standard (Miles) (Yards) Killed Injured Property Crops Character of Storm ALABAMA, Central Jefferson County Countywide 11 1341CST 0 0 14K 0 Thunderstorm Wind (G55) 1418CST Numerous trees were blown down countywide. Maximum wind gusts were estimated between 60 and 70 miles an hour. St. Clair County Countywide 11 1410CST 0 0 15K 0 Thunderstorm Wind (G50) 1450CST Numerous trees were blown down across the entire county. Talladega County Sycamore 11 1411CST 0 0 18K 0 Thunderstorm Wind (G50) A few trees were knocked down in Sycamore. One home suffered porch and deck damage when a large tree fell on the home. Blount County Countywide 11 1415CST 0 0 8K 0 Thunderstorm Wind (G55) 1454CST Several trees were knocked down throughout the county. Etowah County Altoona 11 1443CST 0 0 2K 0 Thunderstorm Wind (G50) A few trees were blown down near Altoona. Lamar County Countywide 11 1717CST 0 0 3K 0 Thunderstorm Wind (G50) 1737CST A few trees were blown down across the northern half of the county. Marion County Countywide 11 1717CST 0 0 3K 0 Thunderstorm Wind (G50) 1737CST A few trees were blown down across the southern part of the county. Dallas County Selma 12 1245CST 0 0 25K 0 Thunderstorm Wind (G50) A large tree fell onto a home in Selma. The fallen tree caused moderate damage to the home and an automobile. Tuscaloosa County Countywide 12 1330CST 0 0 27K 0 Thunderstorm Wind (G55) 1400CST Numerous trees and power lines were blown down countywide. Alabama Power estimated at least 5000 customers were temporarily without power after the storms.