Alert archive / Idaho / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Pocatello, ID

July 9, 20164 counties in Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jul 9, 2016, 10:40 PM MDT for 4 counties in Idaho. It was in force for 50 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 9, 2016, 10:40 PM MDT (04:40 UTC)
Expired
Jul 9, 2016, 11:30 PM MDT
In force
50 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon

Counties Bingham County, ID, Bonneville County, ID, Jefferson County, ID, Madison County, ID

The radar

The Pocatello radar (KSFX), 64 km from the middle of the area, began a volume at 04:44 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.

What was reported inside it

TimeReportWhereRemark
Jul 9, 10:50 PM MDTTSTM WND GST 7411 W Osgood, IDKETTLE BUTTE ARL SITE.
Jul 9, 11:05 PM MDTTSTM WND GST 721 N Roberts, IDROBERTS ARL SITE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 4.7 hours before the alert went out and 313 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.

Skew-T log-pSkew-T log-p diagram, Salt Lake City I, UT at 00:00Z on 2016-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 00:00Z on 2016-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
9 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
4226 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

428 
WUUS55 KPIH 100440
SVRPIH
IDC011-019-051-065-100530-
/O.NEW.KPIH.SV.W.0021.160710T0440Z-160710T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
1040 PM MDT SAT JUL 9 2016

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN JEFFERSON COUNTY IN SOUTHEASTERN IDAHO...
  WEST CENTRAL MADISON COUNTY IN SOUTHEASTERN IDAHO...
  NORTH CENTRAL BINGHAM COUNTY IN SOUTHEASTERN IDAHO...
  NORTHWESTERN BONNEVILLE COUNTY IN SOUTHEASTERN IDAHO...

* UNTIL 1130 PM MDT

* AT 1039 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN
  EXCESS OF 60 MPH. THIS STORM WAS LOCATED 14 MILES NORTHWEST OF
  SHELLEY...OR 15 MILES WEST OF IDAHO FALLS...AND MOVING NORTHEAST
  AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RIGBY...LORENZO...MUD LAKE...UCON...MENAN...ROBERTS...LEWISVILLE...
  ARCHER...OSGOOD...KETTLE BUTTE AND SAGE JUNCTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4338 11227 4351 11260 4394 11238 4372 11177
TIME...MOT...LOC 0439Z 215DEG 36KT 4351 11235 

$$

AD/DMH
2 follow-up statements
795 
WWUS55 KPIH 100459
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
1059 PM MDT SAT JUL 9 2016

IDC011-100508-
/O.CAN.KPIH.SV.W.0021.000000T0000Z-160710T0530Z/
BINGHAM ID-
1059 PM MDT SAT JUL 9 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BINGHAM COUNTY
IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4362 11213 4362 11241 4394 11238 4372 11177
TIME...MOT...LOC 0458Z 215DEG 36KT 4367 11220 

$$

IDC019-051-065-100530-
/O.CON.KPIH.SV.W.0021.000000T0000Z-160710T0530Z/
JEFFERSON ID-MADISON ID-BONNEVILLE ID-
1059 PM MDT SAT JUL 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM MDT
FOR SOUTHEASTERN JEFFERSON...WEST CENTRAL MADISON AND NORTHERN
BONNEVILLE COUNTIES...

AT 1058 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR ROBERTS...OR 14 MILES WEST OF
RIGBY... MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
RIGBY...LORENZO...MUD LAKE...MENAN...ROBERTS...LEWISVILLE...
ARCHER AND SAGE JUNCTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS
WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4362 11213 4362 11241 4394 11238 4372 11177
TIME...MOT...LOC 0458Z 215DEG 36KT 4367 11220 

$$

AD/DMH
749 
WWUS55 KPIH 100527
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
1127 PM MDT SAT JUL 9 2016

IDC019-051-065-100537-
/O.EXP.KPIH.SV.W.0021.000000T0000Z-160710T0530Z/
JEFFERSON ID-MADISON ID-BONNEVILLE ID-
1127 PM MDT SAT JUL 9 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JEFFERSON...WEST
CENTRAL MADISON AND NORTHERN BONNEVILLE COUNTIES WILL EXPIRE AT 1130
PM MDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4362 11213 4362 11241 4394 11238 4372 11177
TIME...MOT...LOC 0526Z 215DEG 36KT 4367 11220 

$$

AD/VALLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 7:51 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Power39 min
Jul 9, 9:29 PM MDTSpecial Weather StatementPIHPower61 min
Jul 9, 10:13 PM MDTSpecial Weather StatementPIHBingham, Jefferson62 min
Jul 9, 11:09 PM MDTSevere Thunderstorm WarningPIHClark, Fremont, Jefferson, Madison36 min
Jul 9, 11:35 PM MDTSpecial Weather StatementPIHFremont55 min
Jul 10, 10:55 AM MDTFlash Flood WatchPIH8 hr
Jul 10, 12:27 PM MDTSpecial Weather StatementPIHCaribou48 min
Jul 10, 2:34 PM MDTSpecial Weather StatementPIHLincoln, Minidoka56 min
Jul 10, 2:55 PM MDTSevere Thunderstorm WarningPIHBlaine, Butte, Cassia, Lincoln, Minidoka50 min
Jul 10, 3:16 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Caribou, Power44 min
Jul 10, 3:27 PM MDTSpecial Weather StatementPIHBear Lake, Franklin63 min
Jul 10, 3:34 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Bonneville, Caribou41 min
Jul 10, 3:42 PM MDTSevere Thunderstorm WarningPIHBingham, Blaine, Butte, Minidoka, Power48 min
Jul 10, 4:04 PM MDTSevere Thunderstorm WarningPIHBingham, Bonneville41 min
Jul 10, 4:18 PM MDTSevere Thunderstorm WarningPIHBingham, Butte, Clark, Jefferson42 min
Jul 10, 4:38 PM MDTSpecial Weather StatementPIHTeton3 hr

Nearby

Severe Thunderstorm Warnings in Idaho, 2016Every severe thunderstorm warning in 2016

Sources

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