Alert archive / Idaho / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 10, NWS Pocatello, ID

May 30, 2003Bonneville County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at May 30, 2003, 4:05 PM MDT for Bonneville County, Idaho. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 30, 2003, 4:05 PM MDT (22:05 UTC)
Expired: May 30, 2003, 4:45 PM MDT
In force: 40 min
Issued by: NWS Pocatello, ID
Area: Counties, with a storm outline in the text

County Bonneville County, ID

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 10.1 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2797 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 30, 2:00 PM MDT, 2 hours 5 minutes earlier.

Area forecast discussion, May 30, 2:00 PM MDT, 2 hours 5 minutes before

SOUTHEAST IDAHO AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID
200 PM MDT FRI MAY 30 2003

LATEST H2O SATIMG SHOWING PAC TROUGH LIFTING NE THROUGH SE OREGON
AND EXPECTED TO CONTINUE SHIFTING NE THROUGH CNTRL IDAHO TONIGHT.
ASSOCIATED H3 JET SEGMENT PUSHING THROUGH REGION THIS AFTERNOON
SUSTAINING CONVECTIVE DEVELOPMENT IN LEFT FRONT QUAD OVER CNTRL
MOUNTAINS WITH RIGHT REAR QUAD TO PASS OVER REMAINDER OF FCST AREA
LATER THIS AFTERNOON. UPDATED ZONES FOR SEVERE THUNDERSTORM WATCH
ALL ZONES THROUGH 7 PM THIS EVENING. WAVE PASSES EAST OF REGION BY
12Z SATURDAY MORNING WITH MINOR S/WV ENERGY FOLLOWING DURING THE DAY
WHICH MAY HELP TO INITIATE CONVECTION IN THE CNTRL/NRN MOUNTAINS
SATURDAY AFTERNOON/EVENING.

AS FOR THE REMAINDER OF THE FORECAST SUNDAY THROUGH FRIDAY...ERN PAC
TROUGH/PAC NW RIDGE COUPLET AMPLIFIES BY MONDAY WITH RIDGE REMAINING
ANCHORED ALONG PAC COAST THROUGH THE WORK WEEK FOR DRY AND
SEASONABLY WARM CONDITIONS.

KSFX...OPERATIONAL...VCP 11.

.PIH...NONE.

Hazardous weather outlook, May 30, 5:30 AM MDT, 10 hours 35 minutes before

IDZ017>023-031-032-310000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID
530 AM MDT FRI MAY 30 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO

.DAY ONE...

AN UPPER LEVEL TROF WILL SLIDE ACROSS NORTHERN IDAHO THIS AFTERNOON
TRIGGERING SCATTERED AFTERNOON THUNDERSTORMS ACROSS THE
CENTRAL MOUNTAINS...UPPER SNAKE HIGHLANDS AND EASTERN HIGHLANDS.
A FEW OF THESE STORMS COULD PRODUCE DAMAGING WINDS...SMALL HAIL AND
LOCALLY HEAVY DOWNPOURS DURING THE AFTERNOON AND EVENING HOURS. IN
ADDITION...THE BIG WOOD RIVER COULD APPROACH FLOOD STAGE THIS
AFTERNOON AND EVENING AT THE HAILEY GAUGE DUE TO RECENT SNOWMELT AND
LOCALLY HEAVY AFTERNOON SHOWERS.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 1:19 PM MDT	Severe Thunderstorm Warning	PIH	Bonneville	26 min
May 30, 2:16 PM MDT	Severe Thunderstorm Warning	PIH	Bingham	44 min
May 30, 4:48 PM MDT	Severe Thunderstorm Warning	PIH	Bonneville, Teton	27 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2003 Every severe thunderstorm warning in 2003

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.