Alert archive / Idaho / Special Weather Statements in 2009
Special Weather Statement, NWS Pocatello, ID
NWS Pocatello, ID issued this special weather statement at Jun 14, 2009, 1:21 PM MDT for Madison County, Idaho. It was in force for 39 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
- Jun 14, 2009, 1:21 PM MDT (19:21 UTC)
- Expired
- Jun 14, 2009, 2:00 PM MDT
- In force
- 39 min
- Issued by
- NWS Pocatello, ID
County Madison County, ID
The radar
The Pocatello radar (KSFX), 103 km from the middle of the area, began a volume at 19:23 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 nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 7.4 hours before the alert went out and 296 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1411 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Jun 14, 2:59 AM MDT, 10 hours 22 minutes earlier.
Area forecast discussion, Jun 14, 2:59 AM MDT, 10 hours 22 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 259 AM MDT SUN JUN 14 2009 .DISCUSSION...ELONGATED TROUGH STRETCHING INTO NORTHERN CALIFORNIA THIS MORNING EXPECTED TO PUSH INTO SOUTHERN IDAHO TODAY. ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS EXPECTED...AND SHOULD INCREASE THIS AFTERNOON WITH THE LOW MOVING CLOSER TO THE AREA. PRECIPITABLE WATER AMOUNTS REMAIN HIGH WITH MODEL AMOUNTS APPROACHING 1 INCH. WITH A SLIGHT BREAK IN THE SHOWERS THIS MORNING AND SOME BREAKS IN THE CLOUDS...STRONG THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING. IN PARTICULAR...HEAVY RAINFALL IS EXPECTED BUT SMALL HAIL AND GUSTS ARE ALSO POSSIBLE. A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR MOUNTAINOUS AREAS DUE TO THESE SHOWERS TRAINING OVER AREAS THAT HAVE RECENTLY RECEIVED LARGE PRECIPITATION AMOUNTS. UPPER LOW FINALLY DRIFTS EAST OF THE AREA MONDAY NIGHT WITH SPLIT FLOW DEVELOPING ON TUESDAY. AS A RESULT...EXPECT SOMEWHAT OF A BREAK FROM SHOWERS AND THUNDERSTORMS WITH ONLY SLIGHT CHANCES. MODELS CONTINUE TO STRUGGLE WITH CONSISTENCY AND AGREEMENT FROM MID-WEEK ONWARD. THE GFS POINTS TO A RIDGE SETTING UP OVER THE GREAT BASIN WITH A MUCH DRIER PATTERN IN STORE. THE ECMWF HOWEVER DEVELOPS A DEEP LOW IN THE EASTERN PACIFIC AND THROWS IDAHO INTO A WETTER AND MORE ZONAL/SOUTHWEST FLOW. LOW CONFIDENCE REMAINS AS WELL AS CLIMO TYPE POPS. TEMPERATURES APPEAR TO MODERATE AS WELL AND RISE ABOVE NORMAL BY THE END OF THE WEEK. HANKO AND TUESDAY...HOWEVER SCATTERED INTO TUESDAY. AIRMASS ALOFT REMAINS CYCLONIC WITH GOOD INSTABILITY SO EXPECT THUNDERSTORMS AGAIN ON MONDAY. TUESDAY MAY BE THE DRIEST DAY OF THE NEXT WEEK WITH TRANSITORY RIDGE OVERHEAD AND NEXT PACIFIC LOW DIGGING INTO CENTRAL CALIFORNIA. && .AVIATION...AN UPPER LOW OVER THE NRN SIERRA THIS MORNING WILL GRADUALLY ADVANCE NE THROUGH SRN IDAHO THIS AFTERNOON/EVE PROMOTING ANOTHER ROUND OF WIDESPREAD SHOWERS AND THUNDERSTORMS. VFR CONDITIONS ANTICIPATED THROUGHOUT THE SNAKE RIVER PLAIN WITH TEMPORARY MVFR CONDITIONS IN TSTMS FROM 18Z-03Z SUNDAY AFTERNOON/EVE. MODELS SUGGEST KSUN WILL SEE LOWER CIGS AND CURRENT OBSERVATIONS HAVE MOVED IN THAT DIRECTION. THUS WILL TREND WITH A LOWER MVFR CIG AT KSUN THROUGH THE PERIOD. HUSTON && .FIRE WEATHER...A LOW PRESSURE SYSTEM POSITIONED OVER THE NORTHERN SIERRA THIS MORNING WILL CONTINUE TO MIGRATE NE INTO SRN IDAHO THIS AFTERNOON PROMOTING NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS. SOME STORMS MAY PRODUCE HEAVY RAIN. WET AND UNSTABLE CONDITIONS CONTINUE THROUGH WEDNESDAY AS ADDITIONAL PACIFIC DISTURBANCES ADVANCE INTO THE WRN STATES. HUSTON && .PIH WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH THROUGH LATE TONIGHT FOR IDZ018-019-022>025- 031-032. &&
Hazardous weather outlook, Jun 14, 4:21 AM MDT, 9 hours before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 421 AM MDT SUN JUN 14 2009 IDZ017>025-031-032-151030- 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- 421 AM MDT SUN JUN 14 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT SHOWERS AND THUNDERSTORMS ARE EXPECTED TO SPREAD REDEVELOP AGAIN TODAY...BECOMING NUMEROUS ACROSS EASTERN IDAHO BY THIS AFTERNON. LOCALLY HEAVY RAINFALL WILL AGAIN BE A THREAT WITH THE STRONGER THUNDERSTORMS. SMALL HAIL AND GUSTY WINDS ARE ALSO POSSIBLE. A FLASH FLOOD WATCH IS IN EFFECT UNTIL LATE TONIGHT FOR THE MOUNTAINOUS PORTIONS OF EASTERN IDAHO. SMALL STREAMS AND URBAN AREAS WILL BE PARTICULARLY VULNERABLE TO FLASH FLOODING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY PERIODIC SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH NEXT WEEKEND...HOWEVER PRECIPITATION CHANCES WILL GRADUALLY DIMINISH AS THE WEEK PROGRESSES. .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, Jun 14, 11:36 AM MDT, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO 1136 AM MDT SUN JUN 14 2009 IDZ021>023-141800- BINGHAM ID-POWER ID-BANNOCK ID- 1136 AM MDT SUN JUN 14 2009 THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... NORTHWESTERN BANNOCK COUNTY IN SOUTHEAST IDAHO EAST CENTRAL POWER COUNTY IN SOUTHEAST IDAHO SOUTH CENTRAL BINGHAM COUNTY IN SOUTHEAST IDAHO UNTIL NOON MDT AT 1132 AM MDT...STORM SPOTTERS AND DOPPLER RADAR INDICATED RAPIDLY DEVELOPING THUNDERSTORMS EXTENDING FROM 5 MILES SOUTHWEST OF POCATELLO TO NEAR FORT HALL...MOVING NORTHEAST AT 25 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER IS EXPECTED WITH THIS STORM...ALONG WITH VERY HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS IMPACTED INCLUDE... POCATELLO... CHUBBUCK... FORT HALL... HEAVY RAIN MAY LEAD TO PONDING OF WATER ON ROADWAYS AND MINOR FLOODING. IF YOU SEE FLOODING...PLEASE RELAY YOUR REPORT TO LOCAL LAW ENFORCEMENT OR THE NATIONAL WEATHER SERVICE. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS. LAT...LON 4310 11239 4296 11215 4269 11249 4280 11268 TIME...MOT...LOC 1734Z 218DEG 20KT 4282 11251 JKEYES
Special weather statement, Jun 14, 12:09 PM MDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO
1209 PM MDT SUN JUN 14 2009
IDZ019-020-141845-
CLARK ID-JEFFERSON ID-FREMONT ID-BUTTE ID-BONNEVILLE ID-MADISON ID-
1209 PM MDT SUN JUN 14 2009
THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY FOR...
EXTREME EAST CENTRAL BUTTE COUNTY IN EAST CENTRAL IDAHO
SOUTHWESTERN FREMONT COUNTY IN EASTERN IDAHO
SOUTHWESTERN CLARK COUNTY IN EASTERN IDAHO
NORTHWESTERN MADISON COUNTY IN SOUTHEAST IDAHO
NORTHWESTERN BONNEVILLE COUNTY IN SOUTHEAST IDAHO
JEFFERSON COUNTY IN SOUTHEAST IDAHO
UNTIL 1245 PM MDT
AT 1205 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 17 MILES NORTHWEST
OF NORTHWEST INL TO 5 MILES SOUTH OF ROBERTS..AND MOVING NORTHEAST AT
20 MPH.
SMALL HAIL...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING
ARE LIKELY WITH THESE STORMS. RAINFALL RATES NEAR ONE HALF INCH OR
MORE IN A SHORT AMOUNT OF TIME ARE POSSIBLE. PONDING OF WATER AND
MINOR FLOODING WILL BE COMMON IN THIS AREA.
LOCATIONS IMPACTED INCLUDE...
ROBERTS...
LEWISVILLE...
RIGBY...
MENAN...
LORENZO...
HAMER...
MONTEVIEW...
DUBOIS...
PLANO...
THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
LAT...LON 4401 11158 4350 11209 4393 11273 4397 11269
4397 11278 4410 11298 4423 11293 4423 11281
4439 11281 4441 11284 4442 11284 4448 11276
TIME...MOT...LOC 1806Z 204DEG 18KT 4409 11286 4365 11213
JKEYESSpecial weather statement, Jun 14, 1:21 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO 121 PM MDT SUN JUN 14 2009 IDZ019-020-142000- JEFFERSON ID-FREMONT ID-MADISON ID- 121 PM MDT SUN JUN 14 2009 THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... SOUTHWESTERN FREMONT COUNTY IN EASTERN IDAHO WESTERN MADISON COUNTY IN SOUTHEAST IDAHO SOUTHEASTERN JEFFERSON COUNTY IN SOUTHEAST IDAHO UNTIL 200 PM MDT AT 117 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORM NEAR RIGBY..MOVING NORTHEAST AT 15 MPH. PEA SIZED HAIL IS EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. FUNNEL CLOUDS HAVE BEEN REPORTED AS WELL. ALTHOUGH...TORNADOES ARE NOT EXPECTED. LOCATIONS IMPACTED INCLUDE... RIGBY... LORENZO... ARCHER... REXBURG... PLANO... SUGAR CITY AND EGIN... LAT...LON 4400 11194 4392 11161 4362 11186 4366 11221 TIME...MOT...LOC 1918Z 215DEG 13KT 4373 11194
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 11:36 AM MDT | Special Weather Statement | PIH | Bannock | 24 min |
| Jun 14, 12:09 PM MDT | Special Weather Statement | PIH | Clark, Jefferson | 36 min |
| Jun 14, 1:39 PM MDT | Areal Flood Advisory | PIH | Bonneville, Fremont, Jefferson, Madison | 4 hr |
| Jun 14, 1:57 PM MDT | Severe Thunderstorm Warning | PIH | Bonneville, Jefferson | 33 min |
| Jun 14, 2:24 PM MDT | Flash Flood Warning | PIH | Blaine | 6 hr |
| Jun 14, 4:21 PM MDT | Flash Flood Warning | PIH | Cassia, Oneida | 3 hr |
| Jun 14, 5:18 PM MDT | Special Weather Statement | PIH | Power | 42 min |
Nearby
Special Weather Statements in Idaho, 2009Every special weather statement in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.