

004 

WGUS75 KCYS 110249 CCA

FFSCYS



FLASH FLOOD STATEMENT...CORRECTED

NATIONAL WEATHER SERVICE CHEYENNE WY

840 PM MDT WED JUN 10 2009



NEC033-110430-

/O.COR.KCYS.FF.W.0005.000000T0000Z-090611T0430Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

CHEYENNE NE-

840 PM MDT WED JUN 10 2009



...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EXCESSIVE RAINFALL IN 

SOUTHERN CHEYENNE COUNTY UNTIL 1030 PM MDT...



AT 829 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WATER IN 

SOME AREAS OF SIDNEY THAT IS STARTING TO RECEDE. THERE ARE ALSO 

SEVERAL ROADS CLOSED DUE TO FLOODING IN THE SIDNEY AREA STILL.  



SLOW MOVING STORMS OVER KIMBALL AREA WILL MOVE EAST INTO THE WARNED 

AREA WITH RAINFALL AMOUNTS OF UP TO A QUARTER OF AN INCH. THIS WILL 

CAUSE ISSUES IN AN AREA ALREADY AGGRAVATED BY HIGH FLOOD WATERS. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 

OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 

INCLUDE...SIDNEY...BROWNSON...COLTON...LODGEPOLE...LORENZO...MOUNT 

VERNON...SIDNEY AIRPORT AND SUNOL.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO

CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE

ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON

FOOT OR IN A VEHICLE.



IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH

ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL

ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW

INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.



&&



LAT...LON 4100 10261 4099 10266 4099 10330 4128 10330

      4128 10262



$$



621 

WGUS75 KCYS 110240

FFSCYS



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE CHEYENNE WY

840 PM MDT WED JUN 10 2009



NEC033-110430-

/O.CON.KCYS.FF.W.0005.000000T0000Z-090611T0430Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

CHEYENNE NE-

840 PM MDT WED JUN 10 2009



...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MELTING SNOW IN SOUTHERN

CHEYENNE COUNTY UNTIL 1030 PM MDT...



AT 829 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WATER IN 

SOME AREAS OF SIDNEY THAT IS STARTING TO RECEDE. THERE ARE ALSO 

SEVERAL ROADS CLOSED DUE TO FLOODING IN THE SIDNEY AREA STILL.  



SLOW MOVING STORMS OVER KIMBALL AREA WILL MOVE EAST INTO THE WARNED 

AREA WITH RAINFALL AMOUNTS OF UP TO A QUARTER OF AN INCH. THIS WILL 

CAUSE ISSUES IN AN AREA ALREADY AGGRAVATED BY HIGH FLOOD WATERS. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 

OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 

INCLUDE...SIDNEY...BROWNSON...COLTON...LODGEPOLE...LORENZO...MOUNT 

VERNON...SIDNEY AIRPORT AND SUNOL.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO

CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE

ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON

FOOT OR IN A VEHICLE.



IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH

ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL

ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW

INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.



&&



LAT...LON 4100 10261 4099 10266 4099 10330 4128 10330

      4128 10262



$$

