Alert archive / Idaho / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Pocatello, ID

June 5, 2009Bonneville County, Jefferson County, Madison County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jun 5, 2009, 7:25 PM MDT for Bonneville County, Jefferson County, Madison County, Idaho. It was in force for 50 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 5, 2009, 7:25 PM MDT (01:25 UTC)
Expired
Jun 5, 2009, 8:15 PM MDT
In force
50 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon

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

The radar

The Pocatello radar (KSFX), 72 km from the middle of the area, began a volume at 01:26 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 00:00Z, 1.4 hours before the alert went out and 291 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, Riverton, WY at 00:00Z on 2009-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 168 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2009-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939587897Sfc1 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
168 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1989 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS55 KPIH 060125
SVRPIH
IDC019-051-065-060215-
/O.NEW.KPIH.SV.W.0021.090606T0125Z-090606T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE POCATELLO
725 PM MDT FRI JUN 5 2009

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL BONNEVILLE COUNTY IN SOUTHEAST IDAHO...
  THIS INCLUDES THE CITY OF IDAHO FALLS...
  SOUTHEASTERN JEFFERSON COUNTY IN SOUTHEAST IDAHO...
  THIS INCLUDES THE CITIES OF...RIGBY...LORENZO...
  WESTERN MADISON COUNTY IN SOUTHEAST IDAHO...
  THIS INCLUDES THE CITY OF REXBURG...

* UNTIL 815 PM MDT

* AT 723 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR AMMON...OR NEAR IDAHO
  FALLS...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS THAT COULD BE AFFECTED INCLUDE...
  RURAL NORTHERN BONNEVILLE COUNTY...
  RURAL SOUTHEASTERN JEFFERSON COUNTY...
  RURAL WESTERN MADISON COUNTY...
  RURAL CENTRAL MADISON COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DAMAGING WINDS UP TO 65 MPH WERE REPORTED IN IDAHO FALLS WITH THIS 
STORM. THIS IS A DANGEROUS STORM...SEEK SAFE SHELTER AND STAY AWAY 
FROM WINDOWS

&&

LAT...LON 4336 11192 4336 11202 4337 11204 4341 11203
      4341 11208 4353 11226 4388 11183 4363 11147
TIME...MOT...LOC 0125Z 224DEG 21KT 4349 11198

$$

HSUTON
1 follow-up statement
000 
WWUS55 KPIH 060209
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO
809 PM MDT FRI JUN 5 2009

IDC019-051-065-060219-
/O.EXP.KPIH.SV.W.0021.000000T0000Z-090606T0215Z/
JEFFERSON ID-BONNEVILLE ID-MADISON ID-
809 PM MDT FRI JUN 5 2009

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN MADISON...NORTH
CENTRAL BONNEVILLE AND SOUTHEASTERN JEFFERSON COUNTIES WILL EXPIRE AT
815 PM MDT...

THE STORM HAS MOVED NORTHEAST OF THE WARNED AREA.

LOCATIONS NEAR THE PATH OF THIS STORM WAS INCLUDE...ARCHER...HERBERT
AND REXBURG.

LAT...LON 4336 11192 4336 11202 4337 11204 4341 11203
      4341 11208 4353 11226 4388 11183 4363 11147
TIME...MOT...LOC 0209Z 224DEG 21KT 4368 11173

$$

HUSTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 7:45 PM MDTSpecial Weather StatementPIHPower45 min
Jun 5, 7:49 PM MDTSevere Thunderstorm WarningPIHJefferson, Madison28 min
Jun 5, 8:07 PM MDTSevere Thunderstorm WarningPIHFremont, Madison38 min
Jun 5, 8:14 PM MDTSevere Thunderstorm WarningPIHClark, Fremont, Jefferson31 min
Jun 5, 8:31 PM MDTFlash Flood WarningPIHBlaine119 min
Jun 5, 8:36 PM MDTSpecial Weather StatementPIHBingham39 min
Jun 5, 8:43 PM MDTSpecial Weather StatementPIHBear Lake, Franklin62 min
Jun 5, 9:24 PM MDTSpecial Weather StatementPIHBonneville36 min
Jun 6, 12:56 PM MDTLake Wind AdvisoryPIH8 hr
Jun 6, 3:06 PM MDTSpecial Weather StatementPIHClark, Custer84 min
Jun 6, 4:19 PM MDTFlash Flood WarningPIHBlaine4 hr
Jun 6, 5:12 PM MDTSpecial Weather StatementPIHJefferson93 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2009Every severe thunderstorm warning 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.