Alert archive / Idaho / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 18, NWS Pocatello, ID

June 13, 2019Bingham County, Bonneville County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jun 13, 2019, 2:16 PM MDT for Bingham County, Bonneville 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 counties it named.

The facts

Issued
Jun 13, 2019, 2:16 PM MDT (20:16 UTC)
Expired
Jun 13, 2019, 2:37 PM MDT
In force
21 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bingham County, ID, Bonneville County, ID

The radar

The Pocatello radar (KSFX), 59 km from the middle of the area, began a volume at 20:19 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

Salt Lake City I, UT (KSLC), launched 12:00Z, 8.3 hours before the alert went out and 281 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 12:00Z on 2019-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Salt Lake City I, UT at 12:00Z on 2019-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2770 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
5 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 Jun 13, 1:53 PM MDT, 23 minutes earlier.

Area forecast discussion, Jun 13, 1:53 PM MDT, 23 minutes before
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In the hours before

Special weather statement, Jun 13, 12:53 PM MDT, 1 hour 23 minutes before
Special Weather Statement
National Weather Service Pocatello ID
1253 PM MDT Thu Jun 13 2019

IDZ063-064-131930-
Big Hole Mountains ID-Caribou Range ID-
1253 PM MDT Thu Jun 13 2019

...SPECIAL WEATHER STATEMENT...

At 1252 PM MDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Swan Valley, moving northeast at 15 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Swan Valley, Irwin, Palisades Reservoir near the dam and Pine Creek
Pass.

Boaters can expect a sudden increase in waves and very choppy waters
which will result in hazardous boating conditions. Boaters are urged
to seek safe harbor if possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

If on or near Palisades Reservoir, Move to safe shelter now! Do not
be caught on or near the water. Gusty winds and choppy waves are
likely.

&&

LAT...LON 4323 11139 4336 11156 4362 11127 4344 11105
      4341 11104
TIME...MOT...LOC 1852Z 227DEG 13KT 4335 11141

DMH
Special weather statement, Jun 13, 1:38 PM MDT, 38 minutes before
Special Weather Statement
National Weather Service Pocatello ID
138 PM MDT Thu Jun 13 2019

IDZ053-054-132015-
Upper Snake River Plain ID-Lower Snake River Plain ID-
138 PM MDT Thu Jun 13 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BONNEVILLE AND
CENTRAL BINGHAM COUNTIES UNTIL 215 PM MDT...

At 135 PM MDT, Doppler radar was tracking a strong thunderstorm 10
miles north of Rose or 14 miles north of Blackfoot, moving east at
10 to 15 mph.

Half inch hail, frequent lightning, and winds in excess of 40 mph
will be possible with this storm.

Locations impacted include...
Idaho Falls and Shelley.

LAT...LON 4357 11206 4341 11197 4331 11250 4340 11254
TIME...MOT...LOC 1935Z 250DEG 12KT 4340 11238

TW
Special weather statement, Jun 13, 1:41 PM MDT, 35 minutes before
Special Weather Statement
National Weather Service Pocatello ID
141 PM MDT Thu Jun 13 2019

IDZ063-064-132030-
Big Hole Mountains ID-Caribou Range ID-
141 PM MDT Thu Jun 13 2019

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL BONNEVILLE COUNTY
UNTIL 230 PM MDT...

At 140 PM MDT, Doppler radar was tracking a strong thunderstorm 7
miles northwest of Palisades Reservoir, moving east at 10 to 15 mph.

Half inch hail, frequent lightning and winds in excess of 40 mph
will be possible with this storm.

Locations impacted include...
Palisades Reservoir and Alpine Campground.

Boaters can expect a sudden increase in waves and very choppy waters
as well as frequent lightning which will result in hazardous boating
conditions. Boaters are urged to seek safe harbor if possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4326 11137 4334 11138 4339 11104 4319 11104
TIME...MOT...LOC 1940Z 273DEG 18KT 4329 11123

tw
Special weather statement, Jun 13, 2:11 PM MDT, 5 minutes before
Special Weather Statement
National Weather Service Pocatello ID
211 PM MDT Thu Jun 13 2019

IDZ068-074-132100-
Big Lost Highlands/Copper Basin ID-Lost River Valleys ID-
211 PM MDT Thu Jun 13 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CUSTER AND WEST
CENTRAL BUTTE COUNTIES UNTIL 300 PM MDT...

At 210 PM MDT, Doppler radar was tracking a strong thunderstorm near
Grouse, moving east at 10 to 15 mph.

Half inch hail, moderate to heavy rain, frequent lightning, and
winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Grouse.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4381 11339 4365 11342 4370 11374 4381 11370
TIME...MOT...LOC 2010Z 278DEG 11KT 4376 11360

tw

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 8:10 AM MDTRiver Flood WarningPIHBlaine4 days
Jun 13, 12:53 PM MDTSpecial Weather StatementPIHBonneville37 min
Jun 13, 1:38 PM MDTSpecial Weather StatementPIHBingham37 min
Jun 13, 1:41 PM MDTSpecial Weather StatementPIHBonneville49 min
Jun 13, 2:11 PM MDTSpecial Weather StatementPIHButte49 min
Jun 13, 2:28 PM MDTSpecial Weather StatementPIHBannock47 min
Jun 13, 2:41 PM MDTSpecial Weather StatementPIHJefferson34 min
Jun 13, 2:51 PM MDTSpecial Weather StatementPIHBlaine39 min
Jun 13, 3:02 PM MDTSpecial Weather StatementPIHCaribou28 min
Jun 13, 3:47 PM MDTSpecial Weather StatementPIHButte43 min
Jun 13, 3:51 PM MDTSpecial Weather StatementPIHBear Lake54 min
Jun 13, 4:07 PM MDTSevere Thunderstorm WarningPIHBear Lake, Franklin38 min
Jun 13, 5:24 PM MDTSpecial Weather StatementPIHBingham51 min
Jun 13, 5:47 PM MDTSpecial Weather StatementPIHBannock28 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2019Every severe thunderstorm warning in 2019

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.