Flash Flood Warning 11, NWS Pocatello, ID

362 
WGUS75 KPIH 040047
FFSPIH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
647 PM MDT SUN AUG 3 2014

IDC013-040245-
/O.CON.KPIH.FF.W.0011.000000T0000Z-140804T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BLAINE ID-
647 PM MDT SUN AUG 3 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MDT FOR WEST
CENTRAL BLAINE COUNTY...

AT 643 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE MODERATE TO HEAVY RAINFALL...WITH LIKELY FLOODING AND 
DEBRIS FLOWS FROM THUNDERSTORMS OVER THE WARNED AREA. MORE STORMS 
HAVE DEVELOPED TO THE SOUTH AND WEST AND WILL BE MOVING IN OVER THE 
NEXT COUPLE OF HOURS. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO THE BEAVER 
CREEK BURN AREA...KETCHUM AND HAILEY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NATIONAL WEATHER SERVICE RADAR INDICATED POTENTIAL FLASH FLOODING 
AND DEBRIS FLOWS OVER THE BEAVER CREEK BURN AREA.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
POCATELLO.

&&

LAT...LON 4375 11469 4380 11439 4349 11427 4346 11452
      4348 11452 4349 11456 4352 11459 4356 11459
      4359 11469 4361 11470 4365 11467 4368 11470

$$

JKEYES

228 
WGUS75 KPIH 040242
FFSPIH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
842 PM MDT SUN AUG 3 2014

IDC013-040247-
/O.EXP.KPIH.FF.W.0011.000000T0000Z-140804T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BLAINE ID-
842 PM MDT SUN AUG 3 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 845 PM MDT FOR WEST CENTRAL
BLAINE COUNTY INCLUDING THE BEAVER CREEK BURN AREA...

LIGHT TO MODERATE RAIN CONTINUES ACROSS THE WARNING AREA...HOWEVER 
THERE HAVE BE NO REPORTS OF FLOODING OR DEBRIS FLOWS HAVE BEEN 
REPORTED. THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.  

WE DO CAUTION EVERYONE THAT WITH RAIN STILL FALLING IN THE AREA OVER 
THE NEXT FEW HOURS...THE POTENTIAL STILL EXISTS FOR FLOODING OR 
DEBRIS FLOWS TO OCCUR EVEN AT A LIGHTER INTENSITY. PLEASE BE 
PREPARED FOR THIS AND BE READY TO TAKE ACTION AT A MOMENT'S NOTICE. 

LAT...LON 4375 11469 4380 11439 4349 11427 4346 11452
      4348 11452 4349 11456 4352 11459 4356 11459
      4359 11469 4361 11470 4365 11467 4368 11470

$$

JKEYES

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
217 PM MDT SUN AUG 3 2014

.DISCUSSION...ISOLATED THUNDERSTORMS ALREADY DEVELOPING IN THE
CENTRAL MOUNTAINS THIS AFTERNOON. ALSO KEEPING AND EYE ON A BAND
IN SATELLITE IMAGERY MOVING UP FROM UTAH. THIS BAND COULD TRIGGER
ADDITIONAL THUNDERSTORMS IN THE SOUTH CENTRAL HIGHLANDS AGAIN THIS
AFTERNOON. THE LOW PRESSURE SYSTEM NEAR SAN DIEGO IS ON TRACK WITH
MODEL PROJECTIONS. THE LEADING UPPER LEVEL FRONTAL BAND SHOULD
BEGIN TO MOVE INTO THE SOUTH CENTRAL HIGHLANDS MONDAY MORNING AND
ON TO THE CENTRAL MOUNTAINS BY MID DAY. PRECIPITABLE WATER VALUES
INCREASE TO AROUND 1.25 INCHES MONDAY WITH THE CONTRIBUTION OF
MORE MONSOON MOISTURE. MONDAY THROUGH WEDNESDAY IS SETTING UP TO
BE A PRETTY WET TWO OR THREE DAYS FOR MUCH OF SOUTHEAST IDAHO. A
FLASH FLOOD WATCH HAS BEEN ISSUED FOR THE SAWTOOTH RECREATION
AREA...INCLUDING THE BEAVER CREEK BURN SCAR...AND SMALL STREAMS
AND CREEKS...INCLUDING CAMPING AREAS AND TRAILS AROUND GOOSE
CREEK...OAKLEY RESERVOIR AND MAGIC MOUNTAIN. IT IS A PRETTY GOOD
BET THERE WILL BE EMBEDDED THUNDERSTORMS AT TIMES. FOR THE SOUTH
CENTRAL HIGHLANDS AREA...THE GFS MODEL SUGGESTS CLOSE TO 2 INCHES
OF PRECIPITATION POSSIBLE OVER A 48 HOUR PERIOD. GRANTED SOME
CONVECTIVE FEED BACK IS LIKELY PRESENT IN THE MODEL...BUT THE NAM
MODEL IS NOT FAR OFF FROM THE NUMBERS. THE LAST COUPLE OF MODEL
RUNS...THE LOW LIFTS NORTH TO IDAHO BUT THEN LINGERS OVER THIS
AREA AS A TROUGH INTO POSSIBLY THURSDAY NIGHT OR FRIDAY MORNING.
OTHER MODELS ARE NOT IN DISAGREEMENT. RS

&&

.AVIATION...WITH MONSOON MOISTURE IN PLACE LOOK FOR SCATTERED
MOUNTAIN SHOWERS AND THUNDERSTORMS AND ISOLATED VALLEY SHOWERS AND
THUNDERSTORMS THIS AFTERNOON INTO EARLY EVENING. LOOK FOR VICINITY
THUNDERSTORMS FOR ALL TAF SITES THIS AFTERNOON THROUGH EARLY
EVENING. EXPECT BRIEF HEAVY RAIN AND GUSTY WINDS OF AROUND 50 MPH IN
AND AROUND THUNDERSTORMS. LOOK FOR SHOWERS AND THUNDERSTORMS TO
APPROACH FROM THE SOUTH BY LATE TOMORROW MORNING FOR ALL TAF SITES.
CEILINGS WILL START TO DROP BUT REMAIN VFR TOMORROW. WYATT

&&

.FIRE WEATHER...MONSOON MOISTURE CONTINUES TO PERSIST OVER THE
REGION IN OVERALL HIGH PRESSURE RIDGING EARLY IN THE PERIOD. LOOK
FOR LATE AFTERNOON INTO EARLY EVENING SCATTERED MOUNTAIN SHOWERS AND
THUNDERSTORMS WITH ISOLATED SHOWERS AND THUNDERSTORMS IN THE VALLEYS
TODAY. EXPECT BRIEF HEAVY RAIN AND GUSTY OUTFLOW WINDS IN AROUND AND
THUNDERSTORMS TODAY. LOOK FOR SCATTERED TO NUMEROUS SHOWERS AND
WIDELY SCATTERED TO SCATTERED THUNDERSTORMS ON MONDAY AND TUESDAY AS
AN UPPER LEVEL LOW APPROACHES FROM THE SOUTHWEST. LIGHTNING...HEAVY
RAIN AND GUSTY OUTFLOW WINDS WILL THE BIGGEST IMPACTS.  FLASH
FLOODING PARTICULARLY OVER BURN SCARS IS THE GREATEST AREA OF
IMPACT/CONCERN. A FLASH FLOOD WATCH IS IN EFFECT FOR THE MAJORITY OF
IDAHO FIRE WEATHER ZONES 422 AND 427 AND THE WESTERN PORTION OF ZONE
413. TEMPERATURES WILL DROP BELOW NORMAL AND THE RELATIVE HUMIDITY WILL
RISE ABOVE NORMAL EARLY IN THE WEEK.  WYATT

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING IDZ022.

FLASH FLOOD WATCH FROM MONDAY AFTERNOON THROUGH WEDNESDAY
MORNING IDZ031.

&&

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
342 PM MDT SUN AUG 3 2014

IDZ020-032-032245-
BUTTE ID-CUSTER ID-
342 PM MDT SUN AUG 3 2014

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  EXTREME SOUTHEASTERN CUSTER COUNTY IN CENTRAL IDAHO
  CENTRAL BUTTE COUNTY IN EAST CENTRAL IDAHO

UNTIL 445 PM MDT

AT 336 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES NORTH OF ARCO..MOVING EAST AT 10 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

LOCATIONS IMPACTED INCLUDE...
   HOWE...

LAT...LON 4395 11289 4346 11298 4363 11342 4381 11343
TIME...MOT...LOC 2142Z 267DEG 8KT 4373 11330

DMH

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
431 PM MDT SUN AUG 3 2014

IDZ019>021-032330-
CLARK ID-JEFFERSON ID-BINGHAM ID-BUTTE ID-BONNEVILLE ID-POWER
ID-BANNOCK ID-MADISON ID-FREMONT ID-
431 PM MDT SUN AUG 3 2014

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHEASTERN BUTTE COUNTY IN EAST CENTRAL IDAHO
  SOUTHWESTERN FREMONT COUNTY IN EASTERN IDAHO
  SOUTH CENTRAL CLARK COUNTY IN EASTERN IDAHO
  WESTERN MADISON COUNTY IN SOUTHEAST IDAHO
  EXTREME NORTHWESTERN BANNOCK COUNTY IN SOUTHEAST IDAHO
  NORTH CENTRAL POWER COUNTY IN SOUTHEAST IDAHO
  NORTHWESTERN BONNEVILLE COUNTY IN SOUTHEAST IDAHO
  WESTERN BINGHAM COUNTY IN SOUTHEAST IDAHO
  JEFFERSON COUNTY IN SOUTHEAST IDAHO

UNTIL 530 PM MDT

AT 424 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORM OUTFLOW ALONG A LINE EXTENDING FROM 10
MILES NORTHWEST OF CAMAS TO 13 MILES SOUTHWEST OF SOUTHWEST INL..AND
MOVING SOUTHEAST AT 15 MPH.

WIND GUSTS UP TO 50 MPH ARE EXPECTED.

LOCATIONS IMPACTED INCLUDE...
   CENTRAL INL...
   SOUTHWEST INL...
   MUD LAKE...
   CAMAS...
   SOUTHEAST INL...

LAT...LON 4279 11286 4311 11305 4311 11301 4328 11301
      4329 11320 4342 11336 4420 11237 4397 11147
TIME...MOT...LOC 2230Z 316DEG 14KT 4406 11236 4342 11319

DMH