Alert archive / Idaho / Special Weather Statements in 2011
Special Weather Statement, NWS Pocatello, ID
NWS Pocatello, ID issued this special weather statement at Jul 8, 2011, 2:39 PM MDT for Oneida County, Idaho. It was in force for 51 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 8, 2011, 2:39 PM MDT (20:39 UTC)
- Expired
- Jul 8, 2011, 3:30 PM MDT
- In force
- 51 min
- Issued by
- NWS Pocatello, ID
County Oneida County, ID
The radar
The Salt Lake City radar (KMTX), 108 km from the middle of the area, began a volume at 20:39 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
Salt Lake City I, UT (KSLC), launched 12:00Z, 8.7 hours before the alert went out and 160 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
- 392 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 1054 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 42 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 Jul 8, 1:25 PM MDT, 1 hour 14 minutes earlier.
Area forecast discussion, Jul 8, 1:25 PM MDT, 1 hour 14 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 125 PM MDT FRI JUL 8 2011 .DISCUSSION...TSTMS DEVELOPING OVER THE MTNS THIS AFTN AS THE AIRMASS DESTABILIZES. SMALL HAIL AND GUSTY WINDS ARE POSSIBLE WITH SOME OF THESE TSTMS. ACTIVITY SHOULD DIMINISH QUICKLY THIS EVENING. BRISK WINDS IN THE SNAKE RIVER PLAIN THIS AFTN WILL ALSO DIMINISH THIS EVENING. AS THE UPPER TROF OVER BC MOVES TO THE EAST...UPPER FLOW OVER ID WILL BECOME MORE WESTERLY BY SATURDAY. THIS WILL LIMIT THE MONSOON MOISTURE TO THE SOUTHERN HIGHLANDS...SO ONLY EXPECTING ISOLD TSTMS THERE. BU SUNDAY...SW FLOW RETURNS...AND WITH IT THE MONSOON MOISTURE. THIS SHOULD RESULT IN AN INCREASE IN TSTM COVERAGE SUN AFTN. BEST CHANCES WILL BE IN THE SOUTHERN HIGHLANDS. BY MIDWEEK... AN UPPER LOW DIGS INTO THE PAC NW COAST. THIS CUTS OFF THE MONSOON FLOW BUT ALLOWS SOME PAC MOISTURE INTO THE NORTHERN PARTS OF THE FCST AREA. THIS WILL SHIFT THE TSTMS MAINLY TO THE CENTRAL MTNS AND THE DIVIDE FOR WED AND BEYOND. TEMPS WILL STAY NEAR SEASONAL NUMBERS. HEDGES && .AVIATION...RADAR IMAGERY SHOWING SHOWERS WITH SOME ISOLATED LIGHTNING STRIKES OVER THE CENTRAL MOUNTAINS JUST NORTHEAST OF SUN VALLEY. DRY AIR WILL BE MOVING IN BEHIND THAT AREA OF STORMS LATER THIS AFTERNOON. FURTHER THUNDERSTORM DEVELOPMENT WILL BE POSSIBLE OVER THE SOUTHERN AND EASTERN HIGHLANDS AND HAVE THUS KEPT CB MENTION AT THE OTHER TERMINALS. WINDS WILL BE STRONG THIS AFTERNOON AND EARLY EVENING UNDER A FAIRLY TIGHT PRESSURE GRADIENT. CONDITIONS SHOULD REMAIN VFR THROUGHOUT THE PERIOD. HINSBERGER && .FIRE WEATHER...THUNDERSTORMS THIS AFTERNOON AND EVENING SHOULD BE CONFINED TO THE HIGHER ELEVATIONS...ESPECIALLY OVER THE SOUTHERN AND EASTERN HIGHLANDS. IN THE SNAKE PLAIN...GUSTY WINDS SHOULD SUBSIDE AFTER SUNSET TONIGHT. DRIER CONDITIONS ARE EXPECTED OVER THE NEXT COUPLE OF DAYS BUT SLIGHT CHANCES OF ISOLATED THUNDERSTORMS WILL REMAIN OVER THE MOUNTAINS IN THE AFTERNOON AND EARLY EVENING. SOUTHERLY FLOW WILL PICK UP BY EARLY NEXT WEEK AND SHOULD BRING ADDITIONAL MOISTURE TO THE AREA. HINSBERGER && .HYDROLOGY...FLOOD WARNINGS REMAIN IN EFFECT FOR THE TETON RIVER NEAR SAINT ANTHONY AND THE SNAKE RIVER AT BLACKFOOT. THE HENRYS FORK AT ST REXBURG IS AT FLOOD STAGE AND WILL SLOWLY FALL. THE FLOOD WARNING FOR THE HENRYS FORK HAS BEEN LIFTED. THE HEDGES && .PIH WATCHES/WARNINGS/ADVISORIES... LAKE WIND ADVISORY FROM NOON TODAY TO 9 PM MDT THIS EVENING IDZ021. FLOOD WARNINGS ARE IN EFFECT FOR THE SNAKE RIVER AT BLACKFOOT AND TETON RIVER NEAR SAINT ANTHONY. &&
Hazardous weather outlook, Jul 8, 4:15 AM MDT, 10 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 415 AM MDT FRI JUL 8 2011 IDZ021-091015- LOWER SNAKE RIVER PLAIN- 415 AM MDT FRI JUL 8 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT LAKE WIND ADVISORY IN EFFECT FROM NOON THROUGH 9 PM MDT FOR AMERICAN FALLS RESERVOIR FOR 20 MPH SOUTHWEST WINDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY ISOLATED THUNDERSTORMS ARE POSSIBLE. .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
Local storm report, Jul 8, 1:16 PM MDT, 1 hour 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
116 PM MDT FRI JUL 08 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0115 PM HAIL DRIGGS 43.73N 111.11W
07/08/2011 M0.25 INCH TETON ID TRAINED SPOTTER
&&
CHATTINGSLocal storm report, Jul 8, 2:02 PM MDT, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
202 PM MDT FRI JUL 08 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0145 PM HAIL 11 WSW BUIST 42.26N 112.62W
07/08/2011 M0.25 INCH ONEIDA ID TRAINED SPOTTER
VERY HEAVY RAIN AS WELL
&&
CHATTINGSSpecial weather statement, Jul 8, 2:39 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO 239 PM MDT FRI JUL 8 2011 IDZ022>024-082130- ONEIDA ID-BANNOCK ID-FRANKLIN ID- 239 PM MDT FRI JUL 8 2011 THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR... WEST CENTRAL FRANKLIN COUNTY IN SOUTHEAST IDAHO SOUTHEASTERN BANNOCK COUNTY IN SOUTHEAST IDAHO EAST CENTRAL ONEIDA COUNTY IN SOUTHEAST IDAHO UNTIL 330 PM MDT AT 235 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR MALAD..MOVING EAST AT 30 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... RURAL EASTERN ONEIDA COUNTY... RURAL SOUTHERN BANNOCK COUNTY... RURAL WESTERN FRANKLIN COUNTY... RURAL SOUTHEASTERN BANNOCK COUNTY... LAT...LON 4236 11201 4204 11201 4205 11231 4222 11240 TIME...MOT...LOC 2038Z 250DEG 28KT 4217 11224 HINSBERGER
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 6:28 PM MDT | Special Weather Statement | PIH | Fremont | 32 min |
| Jul 7, 7:05 PM MDT | Special Weather Statement | PIH | Lincoln, Minidoka | 40 min |
| Jul 7, 7:57 PM MDT | Severe Thunderstorm Warning | PIH | Blaine, Custer, Lincoln | 63 min |
| Jul 8, 4:07 AM MDT | Lake Wind Advisory | PIH | 17 hr | |
| Jul 8, 1:20 PM MDT | Severe Thunderstorm Warning | PIH | Clark | 40 min |
| Jul 8, 1:56 PM MDT | Tornado Warning | PIH | Clark | 36 min |
| Jul 8, 2:45 PM MDT | Special Weather Statement | PIH | Fremont | 45 min |
| Jul 8, 2:47 PM MDT | Areal Flood Advisory | PIH | Teton | 48 hr |
| Jul 8, 3:10 PM MDT | Severe Thunderstorm Warning | PIH | Clark, Fremont | 50 min |
| Jul 8, 3:41 PM MDT | Flash Flood Warning | PIH | Clark, Fremont | 3 hr |
| Jul 8, 3:57 PM MDT | Severe Thunderstorm Warning | PIH | Fremont | 33 min |
| Jul 8, 4:08 PM MDT | Flash Flood Warning | PIH | Cassia, Oneida | 3 hr |
| Jul 8, 4:47 PM MDT | Special Weather Statement | PIH | Bear Lake | 43 min |
| Jul 8, 4:47 PM MDT | Severe Thunderstorm Warning | PIH | Cassia, Oneida, Power | 33 min |
Nearby
Special Weather Statements in Idaho, 2011Every special weather statement in 2011
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.