Alert archive / Idaho / Special Weather Statements in 2012

Special Weather Statement, NWS Pocatello, ID

July 9, 2012Custer County, Idaho

NWS Pocatello, ID issued this special weather statement at Jul 9, 2012, 4:01 PM MDT for Custer County, Idaho. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 9, 2012, 4:01 PM MDT (22:01 UTC)
Expired: Jul 9, 2012, 4:45 PM MDT
In force: 44 min
Issued by: NWS Pocatello, ID

County Custer County, ID

The radar

The Boise radar (KCBX), 181 km from the middle of the area, began a volume at 22:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pocatello, ID wrote its last area forecast discussion before this special weather statement went out at Jul 9, 1:08 PM MDT, 2 hours 53 minutes earlier.

Area forecast discussion, Jul 9, 1:08 PM MDT, 2 hours 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
108 PM MDT MON JUL 9 2012

.DISCUSSION...PERSISTENT UPPER RIDGE OVER THE GREAT BASIN WILL
CONTINUE THE TREND OF ABOVE NORMAL TEMPS THRU THE END OF THE WEEK.
MONSOON MOISTURE CONTINUES TO FLOW INTO THE REGION ON THE BACK SIDE
OF THE RIDGE. AFTERNOON/EVE TSTMS WILL CONTINUE EACH DAY...MAINLY
OVER THE MTNS. THE RIDGE GETS KNOCKED DOWN A LITTLE OVER TTHE
NORTHERN ROCKIES ON WED...FORCING THE MONSOON MOISTURE MORE TO THE
EAST. THIS IS WHERE MOST OF THE TSTM ACTIVITY SHOULD BE ON WED. AS
AN UPPER LOW MAKES ITS WAY TO THE CA/OR COAST ON FRI...THE UPPER
FLOW OVER THE GREAT BASIN WILL TURN MORE SOUTHERLY. THIS WILL AGAIN
ALLOW MONSOON MOISTURE BACK INTO ID...RESULTING IN ISOLD TO WIDELY
SCATTERED TSTMS OVER MUCH OF THE REGION. AFTN TEMPS MAY FALL BACK A
COUPLE OF DEGREES THRU THE WEEKEND DUE TO INCREASED CLOUD COVER...
BUT WILL STILL BE ON THE WARM SIDE. HEDGES

&&

.AVIATION...SHOWERS AND THUNDERSTORMS WILL CONTINUE OFF AND ON
THROUGH TOMORROW. MOST STORMS WILL OCCUR OVER THE MOUNTAINS ALTHOUGH
A FEW STORMS ARE POSSIBLE ACROSS THE SNAKE PLAIN ESPECIALLY DUE TO
OUTFLOW BOUNDARIES COLLIDING AND POPPING UP NEW ACTIVITY. THE
OVERALL WIND PATTERN WILL CONTINUE TO BE DOMINATED BY
UPVALLEY/DOWNVALLEY FLOW BUT BECOME OVERALL WESTERLY AS THE HIGH
SHIFTS TO OUR SOUTH. FOR FOLKS FLYING INTO KSUN FOR THE
FLY-IN...EXPECT TO SEE AT LEAST VCTS IN THE COMING DAYS ALTHOUGH THE
THREAT GRADUALLY DECREASES THROUGH THURSDAY. WINDS WILL CONTINUE TO
BE RATHER STRONG DOWNVALLEY AT NIGHT BECOMING LIGHT UPVALLEY DURING
THE DAY...UNLESS INTERRUPTED BY THUNDERSTORM OUTFLOW. KEYES
&&

.FIRE WEATHER...MOISTURE WILL CONTINUE TO ROTATE AROUND HIGH
PRESSURE TO OUR SOUTH. THE HIGHEST THREAT REMAINS OVER THE CENTRAL
MOUNTAINS THROUGH TONIGHT WITH AT LEAST WIDELY SCATTERED
THUNDERSTORMS IN THE OFFING. THE RED FLAG WARNING FOR LOWER
ELEVATIONS OF 476 REMAINS IN PLACE THROUGH MIDNIGHT. THE THREAT OF
STORMS GRADUALLY DECREASES THROUGH THURSDAY AS SLIGHTLY DRIER AIR
WORKS INTO IDAHO. FOR TOMORROW WE ARE EXPECTING THE HIGHEST THREAT
ALONG THE MONTANA BORDER NEAR PLACES LIKE LEMHI COUNTY...MONIDA AND
ISLAND PARK WITH MORE ISOLATED ACTIVITY ELSEWHERE. RIGHT NOW...THE
THINKING IS WHERE THE CRITICAL FUELS ARE IN THOSE AREAS THE THREAT
WILL BE TOO LOW FOR A RED FLAG WARNING. WE WILL CONTINUE TO MONITOR
AND MAKE CHANGES IF NECESSARY. WEDNESDAY AND THURSDAY WILL SEE
ISOLATED STORMS OVER THE MOUNTAINS WITH LITTLE THREAT FOR THE SNAKE
PLAIN. WITH THE MOISTURE CONTENT SLOWING DECREASING...THE STORM MODE
WILL SHIFT MORE TOWARD DRY VERSUS THE MIX WE HAVE SEEN RECENTLY. IT
WILL CONTINUE TO BE HOT WITH LOWER AFTERNOON HUMIDITY. HAINES
INDICES SHOULD REMAIN AT 5 FOR THE NEXT FEW DAYS. KEYES
&&

.PIH WATCHES/WARNINGS/ADVISORIES...
RED FLAG WARNING UNTIL MIDNIGHT MDT TONIGHT IDZ476.
&&

Hazardous weather outlook, Jul 9, 3:28 AM MDT, 12 hours 33 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE POCATELLO ID
328 AM MDT MON JUL 9 2012

IDZ017>025-031-032-100930-
EASTERN MAGIC VALLEY-SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS-
UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN-
SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS-
CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION-
BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI-
328 AM MDT MON JUL 9 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS ARE EXPECTED TODAY...MAINLY OVER THE
CENTRAL MOUNTAINS. THE STORMS MAY BRIEF HEAVY RAIN AND GUSTY
OUTFLOW WINDS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE...ESPECIALLY OVER
HIGHER TERRAIN...THROUGH THE COMING WEEK. SOME AREAS OVER THE
SNAKE PLAIN AND EASTERN MAGIC VALLEY MAY SEE TEMPERATURES NEAR 100
DEGREES TUESDAY THROUGH THURSDAY.

.SPOTTER INFORMATION STATEMENT...

WE ASK TRAINED SPOTTERS AND CITIZENS TO REPORT SIGNIFICANT
WEATHER CONDITIONS WHEN IT IS SAFE TO DO SO. THESE CONDITIONS MAY
INCLUDE HAIL...TORNADOES...STRONG WIND...DUST STORMS...SNOWFALL...
EXTREME COLD TEMPERATURES...FREEZING RAIN OR HEAVY RAIN...DENSE
FOG...AND FLOODING OR ICE JAMS. INFORMATION ABOUT THESE HAZARDOUS
CONDITIONS SHOULD BE CALLED INTO YOUR NATIONAL WEATHER SERVICE
OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR
208-233-0834.

In the hours before

Special weather statement, Jul 9, 3:11 PM MDT, 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
311 PM MDT MON JUL 9 2012

IDZ018-092215-
CUSTER ID-
311 PM MDT MON JUL 9 2012

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHWESTERN CUSTER COUNTY IN CENTRAL IDAHO

UNTIL 415 PM MDT

AT 500 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM MOVING NORTHEAST AT 15 MPH ALONG THE MIDDLE FORK
OF THE SALMON RIVER 25 MILES NORTH OF STANLEY.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
POSSIBLE WITH THIS STORM...ALONG WITH HEAVY RAIN.

LOCATIONS IMPACTED INCLUDE...
  RURAL NORTHWESTERN CUSTER COUNTY...

LAT...LON 4461 11530 4465 11518 4473 11515 4478 11510
      4473 11495 4481 11484 4480 11479 4473 11481
      4466 11473 4466 11466 4422 11517 4422 11518
      4428 11517 4429 11525 4433 11530 4442 11523
      4451 11525 4455 11531

HUSTON

Special weather statement, Jul 9, 3:17 PM MDT, 44 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
317 PM MDT MON JUL 9 2012

IDZ022-092215-
CASSIA ID-
317 PM MDT MON JUL 9 2012

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHWESTERN CASSIA COUNTY IN SOUTH CENTRAL IDAHO

UNTIL 415 PM MDT

AT 312 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 19 MILES SOUTHWEST OF OAKLEY...MOVING NORTHEAST
AT 15 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 45 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

LOCATIONS IMPACTED INCLUDE...
   MARION...OAKLEY

LAT...LON 4208 11429 4231 11429 4242 11412 4243 11396
      4217 11369 4199 11423
TIME...MOT...LOC 2116Z 238DEG 12KT 4216 11421

HUSTON

Special weather statement, Jul 9, 4:01 PM MDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
401 PM MDT MON JUL 9 2012

IDZ018-032-092245-
CUSTER ID-
401 PM MDT MON JUL 9 2012

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  NORTH CENTRAL CUSTER COUNTY IN CENTRAL IDAHO

UNTIL 445 PM MDT

AT 500 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM IN EXTREME NORTHWEST CUSTER
COUNTY...APPROXIMATELY 20 MILES NORTHEAST OF STANELY...MOVING
NORTHEAST AT 15 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

LOCATIONS IMPACTED INCLUDE...
  RURAL NORTHERN CUSTER COUNTY...

LAT...LON 4471 11477 4466 11473 4466 11464 4465 11462
      4462 11458 4460 11459 4458 11456 4461 11452
      4460 11449 4468 11439 4472 11440 4465 11417
      4427 11476 4446 11500

HUSTON

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 9, 3:11 PM MDT	Special Weather Statement	PIH		64 min
Jul 9, 3:17 PM MDT	Special Weather Statement	PIH	Cassia	58 min
Jul 9, 4:05 PM MDT	Special Weather Statement	PIH	Cassia	55 min
Jul 9, 5:44 PM MDT	Special Weather Statement	PIH	Cassia, Minidoka, Power	61 min

Nearby

Special Weather Statements in Idaho, 2012 Every special weather statement in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.