622
WGUS56 KMFR 200211
FFWMFR
CAC093-200530-
/O.NEW.KMFR.FF.W.0005.230820T0211Z-230820T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
711 PM PDT SAT AUG 19 2023
THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE MCKINNEY BURN SCAR IN...
NORTH CENTRAL SISKIYOU COUNTY IN NORTHERN CALIFORNIA...
* UNTIL 1030 PM PDT.
* AT 711 PM PDT, DOPPLER RADAR INDICATED ADDITIONAL THUNDERSTORMS
PRODUCING HEAVY RAIN OVER THE MCKINNEY BURN SCAR. BETWEEN 0.5 AND
1 INCH OF RAIN HAS ALREADY FALLEN. THE EXPECTED RAINFALL RATE IS
0.5 TO 1 INCHES IN 1 HOUR. ADDITIONAL RAINFALL AMOUNTS OF 0.2 TO
0.8 INCHES ARE POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS
ONGOING OR EXPECTED TO BEGIN SHORTLY.
EXCESSIVE RAINFALL OVER THE BURN SCAR WILL RESULT IN DEBRIS FLOW
MOVING THROUGH DRAINAGE BASINS, WHICH INCLUDE...MCKINNEY CREEK,
BARKHOUSE CREEK, HUMBUG CREEK, LITTLE HUMBUG CREEK, AND VESA CREEK.
THE DEBRIS FLOW CAN CONSIST OF ROCK, MUD, VEGETATION AND OTHER LOOSE
MATERIALS.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS IN AND AROUND
THE MCKINNEY BURN SCAR.
SOURCE...RADAR.
IMPACT...HIGH WATER AND DEBRIS COULD IMPACT HIGHWAY 96 AND
KLAMATH RIVER ROAD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A LIFE THREATENING SITUATION. HEAVY RAINFALL WILL CAUSE
EXTENSIVE AND SEVERE FLASH FLOODING OF CREEKS...STREAMS...AND
DITCHES IN THE MCKINNEY BURN SCAR. SEVERE DEBRIS FLOWS CAN ALSO BE
ANTICIPATED ACROSS ROADS. ROADS AND DRIVEWAYS MAY BE WASHED AWAY IN
PLACES. IF YOU ENCOUNTER FLOOD WATERS...CLIMB TO SAFETY.
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.
LAT...LON 4180 12299 4182 12298 4184 12295 4186 12295
4190 12290 4190 12287 4189 12285 4190 12282
4189 12279 4187 12279 4187 12273 4182 12268
4179 12269 4176 12273 4174 12278 4176 12279
4173 12283 4174 12286 4172 12287 4172 12290
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
SMITH
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