Alert archive / Idaho / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 2, NWS Pocatello, ID

April 14, 2002Blaine County, Butte County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Apr 14, 2002, 1:54 PM MDT for Blaine County, Butte County, Idaho. It was in force for 21 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
Apr 14, 2002, 1:54 PM MDT (19:54 UTC)
Expired
Apr 14, 2002, 2:15 PM MDT
In force
21 min
Issued by
NWS Pocatello, ID
Area
Counties, with a storm outline in the text

Counties Blaine County, ID, Butte County, ID

The nearest sounding before it

Boise Airport, ID (KBOI), launched 12:00Z, 7.9 hours before the alert went out and 229 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, Boise Airport, ID at 12:00Z on 2002-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boise Airport, ID at 12:00Z on 2002-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 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
50 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1268 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
354 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS55 KPIH 141954
SVRPIH
IDC013-023-142015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID
153 PM MDT SUN APR 14 2002

THE NATIONAL WEATHER SERVICE IN POCATELLO/IDAHO FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH-CENTRAL BLAINE COUNTY IN IDAHO
  SOUTHERN BUTTE COUNTY IN IDAHO

* UNTIL 215 PM MDT

* AT 139 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CENTRAL BLAINE COUNTY...OR ABOUT 21 MILES
  SOUTHEAST OF BELLEVUE...MOVING NORTHEAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CRATERS OF THE MOON NATIONAL MONUMENT AT 200 PM MDT
  RURAL SOUTHERN BUTTE COUNTY AT 210 PM MDT

THIS WARNING REPLACES THE PREVIOUS WARNING FOR SOUTH-CENTRAL BUTTE 
COUNTY. STRONG WINDS AROUND 60 MPH...LARGE HAIL...AND LOCALLY HEAVY 
RAINFALL ARE ALL POSSIBLE WITH THIS STORM.  IF SEVERE WEATHER 
APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER AWAY FROM CREEK 
BEDS AND OTHER FLOOD-PRONE AREAS. 

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN POCATELLO/IDAHO FALLS.

LAT...LON 4341 11380 4325 11371 4352 11271 4373 11282

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 1:25 PM MDTSevere Thunderstorm WarningPIHBlaine50 min
Apr 14, 2:21 PM MDTSevere Thunderstorm WarningPIHBingham, Bonneville, Butte, Jefferson39 min
Apr 14, 3:00 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Power45 min
Apr 14, 3:10 PM MDTSevere Thunderstorm WarningPIHBingham, Bonneville, Fremont, Jefferson, Madison50 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2002Every severe thunderstorm warning in 2002

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.