Alert archive / Idaho / Tornado Warnings in 2017
Tornado Warning 1, NWS Pocatello, ID
NWS Pocatello, ID issued this tornado warning at Jun 11, 2017, 8:52 PM MDT for 4 counties in Idaho. It was in force for 23 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 11, 2017, 8:52 PM MDT (02:52 UTC)
- Expired
- Jun 11, 2017, 9:15 PM MDT
- In force
- 23 min
- Issued by
- NWS Pocatello, ID
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.0 in
Counties Clark County, ID, Fremont County, ID, Jefferson County, ID, Madison County, ID
The radar
The Pocatello radar (KSFX), 115 km from the middle of the area, began a volume at 02:55 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, 2.9 hours before the alert went out and 307 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 2064 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 377 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
609
WFUS55 KPIH 120252
TORPIH
IDC033-043-051-065-120315-
/O.NEW.KPIH.TO.W.0001.170612T0252Z-170612T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pocatello ID
852 PM MDT SUN JUN 11 2017
The National Weather Service in Pocatello has issued a
* Tornado Warning for...
Southwestern Fremont County in southeastern Idaho...
North central Jefferson County in southeastern Idaho...
Northwestern Madison County in southeastern Idaho...
Southeastern Clark County in southeastern Idaho...
* Until 915 PM MDT
* At 851 PM MDT, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Hamer, or 14 miles northwest of
Rexburg, moving northeast at 30 mph.
HAZARD...Tornado and hail up to two inches in diameter.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This tornadic thunderstorm will remain over mainly rural areas of
southwestern Fremont...north central Jefferson...northwestern
Madison and southeastern Clark Counties, including the following
locations: southern Saint Anthony Sand Dunes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4384 11200 4392 11221 4427 11200 4417 11169
TIME...MOT...LOC 0251Z 208DEG 27KT 4394 11203
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$
Hedges1 follow-up statement
402
WWUS55 KPIH 120308
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
908 PM MDT SUN JUN 11 2017
IDC033-043-051-065-120315-
/O.CON.KPIH.TO.W.0001.000000T0000Z-170612T0315Z/
Fremont ID-Jefferson ID-Madison ID-Clark ID-
908 PM MDT SUN JUN 11 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM MDT FOR
SOUTHWESTERN FREMONT...NORTH CENTRAL JEFFERSON...NORTHWESTERN MADISON
AND SOUTHEASTERN CLARK COUNTIES...
At 908 PM MDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northwest of Egin, or 15 miles northwest of
Rexburg, moving northeast at 25 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Southern Saint Anthony Sand Dunes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4392 11196 4404 11211 4426 11196 4417 11169
TIME...MOT...LOC 0308Z 210DEG 23KT 4401 11196
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
HedgesThe office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 6:20 PM MDT | Special Weather Statement | PIH | Bingham | 40 min |
| Jun 11, 6:29 PM MDT | Special Weather Statement | PIH | Blaine | 46 min |
| Jun 11, 7:13 PM MDT | Special Weather Statement | PIH | Blaine | 47 min |
| Jun 11, 7:15 PM MDT | Special Weather Statement | PIH | Bingham | 45 min |
| Jun 11, 8:02 PM MDT | Severe Thunderstorm Warning | PIH | Blaine | 22 min |
| Jun 11, 8:11 PM MDT | Special Weather Statement | PIH | Jefferson | 49 min |
| Jun 11, 8:22 PM MDT | Special Weather Statement | PIH | Custer | 38 min |
| Jun 11, 8:26 PM MDT | Severe Thunderstorm Warning | PIH | Blaine, Custer | 34 min |
| Jun 11, 8:34 PM MDT | Severe Thunderstorm Warning | PIH | Clark, Fremont, Jefferson, Madison | 41 min |
| Jun 11, 9:17 PM MDT | Tornado Warning | PIH | Clark, Fremont | 28 min |
| Jun 12, 10:04 AM MDT | Special Weather Statement | PIH | Clark | 26 min |
| Jun 12, 10:23 AM MDT | Severe Thunderstorm Warning | PIH | Butte, Clark, Jefferson | 33 min |
| Jun 12, 10:40 AM MDT | Severe Thunderstorm Warning | PIH | Bingham, Bonneville, Jefferson | 39 min |
| Jun 12, 10:55 AM MDT | Severe Thunderstorm Warning | PIH | Clark, Jefferson | 50 min |
| Jun 12, 12:18 PM MDT | Special Weather Statement | PIH | Bonneville, Clark, Fremont, Madison | 42 min |
| Jun 12, 12:31 PM MDT | Severe Thunderstorm Warning | PIH | Clark | 31 min |
| Jun 12, 1:10 PM MDT | Special Weather Statement | PIH | Fremont, Teton | 50 min |
| Jun 12, 1:37 PM MDT | Wind Advisory | PIH | 29 hr | |
| Jun 12, 2:19 PM MDT | Special Weather Statement | PIH | Fremont, Teton | 56 min |
| Jun 12, 2:32 PM MDT | Special Weather Statement | PIH | Butte, Clark, Jefferson, Madison | 58 min |
| Jun 12, 5:38 PM MDT | River Flood Warning | PIH | Bonneville, Jefferson, Madison | 4 days |
Nearby
Tornado Warnings in Idaho, 2017Every tornado warning in 2017Tornadoes in 2017
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.