Storm Data and Unusual Weather Phenomena - CIG

OKLAHOMA, PanhandleOKZ002TexasOKZ001>00316171200CST0000CST0 0Heavy SnowA low pressure system in the upper atmosphere which moved northeast into Oklahoma allowed for much colder and more moist airto push down into the central Oklahoma Panhandle. Snowfall totals across Texas county were in the four to six and a half inchrange. Some major roads and highways in and around Guymon were closed.Cimarron - Texas - Beaver18192200CST1000CST0 0Heavy SnowA strong low pressure system in the upper atmosphere moved across the Texas and Oklahoma Panhandles ushering in much colderand more moist air into the Oklahoma Panhandle. Snowfall totals from this powerful storm system ranged from seven to nineinches across Beaver county to between eight and eleven inches across Texas and Cimarron counties. Several roads and highwaysin and around Guymon were closed due to the heavy snow.Texas County1 W Hooker 26 2210CST2215CST0 0Thunderstorm Wind (G55)Texas County2 E Goodwell 26 2225CST0 0Thunderstorm Wind (G51)Texas County1 W Hooker 26 2245CST0 0Thunderstorm Wind (G50)Severe thunderstorms moving through the central Oklahoma Panhandle produce high winds as measured by the OklahomaMesonetwork.Beaver CountyBeaver29 2328CST0 0Hail (1.00)A severe thunderstorm produced large hail across the eastern Oklahoma Panhandle during the late evening hours.OKLAHOMA, Western, Central and SoutheastStorm Data and Unusual Weather PhenomenaTimePath PathNumber ofEstimatedLocal/ Length WidthPersonsDamageLocation DateStandard (Miles) (Yards) Killed Injured Property Crops Character of StormMarch 1998Bryan County1 SE Colbert 06 2055CST0 0Hail (0.75)Bryan County3 E Roberta 06 2130CST0 0Hail (1.00)Comanche County6 E Lawton 07 0340CST0 0Hail (0.75)3/4 inch hail covered the ground at KSWO TVOklahoma CountyOklahoma City 07 0504CST0 0Hail (0.75)at I-44 and NW 10th St.OKZ019Logan16 1800CST0 0 75KFlood19 1800CSTA slow-moving storm system produced heavy rainfall over much of southwest Oklahoma and western North Texas and parts ofcentral, and southeast Oklahoma during mid March. Precipitation totals between 3 and 6 inches were recorded during the three-dayperiod of March 15-17, 1998. As a result, minor to moderate flooding occurred over a widespread area, and crests above floodstage were recorded at 28 forecast points and 9 data points in the Norman hydrologic service area. Only the west-central andnorthwest portions of Oklahoma did not incur flooding during the period.A second round of showers and thunderstorms moved through the area during the late evening hours of the 18th and early morninghours of the 19th. Precipitation totals between 1 and 2 inches helped produce secondary crests on some rivers.Most of the river crests occurred between March 16 and March 19. Flood stages were exceeded at some locations as early as 8 p.m.CST on March 15 and as late as 11 p.m. CST on March 24.The most significant flooding occurred in southwest Oklahoma, where crests of between 5 and 10 feet above flood stage wererecorded at some sites.Some of the major rivers and creeks which flooded in Oklahoma include the Clear Boggy, Cobb, Cottonwood, East Cache,Kingfisher, Mud, and Muddy Boggy Creeks, Deep Red Run, and the Blue, Canadian, Chikaskia, Cimarron, Deep Fork, Little,North Canadian, North Fork of the Red, Red, Salt Fork of the Arkansas and Washita Rivers. In western North Texas, floodingoccurred along the South Wichita and Little Wichita Rivers, and Beaver Creek near Electra, Texas.In addition, other minor tributaries and streams also overflowed their banks and produced minor to moderate flooding. These137 131