Alert archive / Idaho / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 21, NWS Pocatello, ID

August 5, 2007Fremont County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Aug 5, 2007, 6:05 PM MDT for Fremont County, Idaho. It was in force for 25 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
Aug 5, 2007, 6:05 PM MDT (00:05 UTC)
Expired
Aug 5, 2007, 6:30 PM MDT
In force
25 min
Issued by
NWS Pocatello, ID
Area
Counties, with a storm outline in the text

County Fremont County, ID

The radar

The Pocatello radar (KSFX), 170 km from the middle of the area, began a volume at 00:09 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, 0.1 hours before the alert went out and 263 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 2007-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2007-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3436 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS55 KPIH 060005
SVRPIH
IDC043-060030-
/O.NEW.KPIH.SV.W.0021.070806T0005Z-070806T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
605 PM MDT SUN AUG 5 2007

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL FREMONT COUNTY IN EASTERN IDAHO...

* UNTIL 630 PM MDT

* AT 604 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR WARM RIVER...OR ABOUT 9 MILES NORTHEAST OF
  MARYSVILLE...AND MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL EASTERN FREMONT COUNTY AT 620 PM MDT

LAT...LON 4416 11147 4404 11127 4423 11096 4454 11107

$$

RS
1 follow-up statement
000 
WWUS55 KPIH 060025
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
622 PM MDT SUN AUG 5 2007

IDC043-060032-
/O.EXP.KPIH.SV.W.0021.000000T0000Z-070806T0030Z/
FREMONT ID-
622 PM MDT SUN AUG 5 2007

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL FREMONT COUNTY
EXPIRES AT 630 PM MDT...

THIS STORM CONTINUES TO MOVE NORTHEAST AT 35 MPH AND IS BEGINNING TO 
WEAKEN. HEAVY RAIN AND AND SMALL HAIL MAY STILL OCCUR IN THE TARGHEE 
FOREST BETWEEN ASHTON AND THE WYOMING STATE LINE. 

LAT...LON 4416 11147 4404 11127 4423 11096 4454 11107

$$

RS

Nearby

Severe Thunderstorm Warnings in Idaho, 2007Every severe thunderstorm warning in 2007

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.