Alert archive / Idaho / Tornado Warnings in 2018
Tornado Warning 3, NWS Pocatello, ID
NWS Pocatello, ID issued this tornado warning at May 17, 2018, 3:22 PM MDT for Oneida County, Idaho. It was in force for 23 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 17, 2018, 3:22 PM MDT (21:22 UTC)
- Expired
- May 17, 2018, 3:45 PM MDT
- In force
- 23 min
- Issued by
- NWS Pocatello, ID
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Oneida County, ID
The radar
The Salt Lake City radar (KMTX), 96 km from the middle of the area, began a volume at 21:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 17, 3:50 PM MDT | HAIL 0.25 | 4 Nne Holbrook, ID |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 9.4 hours before the alert went out and 163 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
- 163 J/kg
- Mixed-layer CIN
- -242 J/kg
- Mixed-layer LCL
- 1956 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
985
WFUS55 KPIH 172122
TORPIH
IDC071-172145-
/O.NEW.KPIH.TO.W.0003.180517T2122Z-180517T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pocatello ID
322 PM MDT THU MAY 17 2018
The National Weather Service in Pocatello has issued a
* Tornado Warning for...
Southwestern Oneida County in southeastern Idaho...
* Until 345 PM MDT
* At 322 PM MDT, a severe thunderstorm capable of producing a tornado
was located near Snowville, and is nearly stationary.
HAZARD...Tornado.
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 dangerous storm will be near...
Holbrook Summit around 322 PM MDT.
Other locations impacted by this tornadic thunderstorm include
Holbrook and Stone.
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 4210 11293 4227 11268 4213 11248 4200 11267
4200 11282
TIME...MOT...LOC 2122Z 240DEG 0KT 4204 11274
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
NP/JH2 follow-up statements
535
WWUS55 KPIH 172136
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
336 PM MDT THU MAY 17 2018
IDC071-172145-
/O.CON.KPIH.TO.W.0003.000000T0000Z-180517T2145Z/
Oneida ID-
336 PM MDT THU MAY 17 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM MDT FOR
SOUTHWESTERN ONEIDA COUNTY...
At 335 PM MDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northwest of Snowville, and is nearly
stationary. A funnel cloud has been reported along the Utah/Idaho
border.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southwestern Oneida County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4200 11274 4207 11289 4221 11277 4221 11276
4210 11258
TIME...MOT...LOC 2135Z 226DEG 3KT 4206 11277
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
NP/JH590
WWUS55 KPIH 172146
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
346 PM MDT THU MAY 17 2018
IDC071-172155-
/O.EXP.KPIH.TO.W.0003.000000T0000Z-180517T2145Z/
Oneida ID-
346 PM MDT THU MAY 17 2018
...THE TORNADO WARNING FOR SOUTHWESTERN ONEIDA COUNTY HAS EXPIRED...
The Tornado Warning has been cancelled. However, large hail and
damaging winds remain likely and a Severe Thunderstorm Warning
remains in effect for the area.
Remember, a Severe Thunderstorm Warning still remains in effect for
Southwestern Oneida County.
LAT...LON 4200 11274 4207 11289 4221 11277 4221 11276
4210 11258
TIME...MOT...LOC 2145Z 240DEG 0KT 4206 11277
$$
NP/JHThe office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 6:33 PM MDT | Special Weather Statement | PIH | Fremont | 27 min |
| May 16, 6:57 PM MDT | Special Weather Statement | PIH | Fremont | 33 min |
| May 17, 2:03 AM MDT | Special Weather Statement | PIH | Franklin | 42 min |
| May 17, 1:13 PM MDT | Special Weather Statement | PIH | Butte | 47 min |
| May 17, 1:58 PM MDT | Special Weather Statement | PIH | Bear Lake | 47 min |
| May 17, 2:59 PM MDT | Special Weather Statement | PIH | Cassia | 31 min |
| May 17, 3:44 PM MDT | Severe Thunderstorm Warning | PIH | Oneida | 31 min |
| May 17, 4:13 PM MDT | Severe Thunderstorm Warning | PIH | Cassia, Oneida, Power | 47 min |
| May 17, 5:21 PM MDT | Severe Thunderstorm Warning | PIH | Bannock, Bingham, Power | 39 min |
| May 17, 5:40 PM MDT | Special Weather Statement | PIH | Madison | 35 min |
| May 17, 5:59 PM MDT | Severe Thunderstorm Warning | PIH | Bannock, Bingham, Power | 46 min |
Nearby
Tornado Warnings in Idaho, 2018Every tornado warning in 2018Tornadoes in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.