Alert archive / Idaho / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 2, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at May 25, 2018, 4:23 PM PDT for Idaho County, Idaho. It was in force for 37 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
- May 25, 2018, 4:23 PM PDT (23:23 UTC)
- Expired
- May 25, 2018, 5:00 PM PDT
- In force
- 37 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Idaho County, ID
The radar
The Missoula radar (KMSX), 160 km from the middle of the area, began a volume at 23:25 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
Spokane, WA (KOTX), launched 12:00Z, 11.4 hours before the alert went out and 194 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1681 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
054 WUUS55 KMSO 252323 SVRMSO IDC049-260000- /O.NEW.KMSO.SV.W.0002.180525T2323Z-180526T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Missoula MT 423 PM PDT FRI MAY 25 2018 The National Weather Service in Missoula has issued a * Severe Thunderstorm Warning for... Central Idaho County in central Idaho... * Until 500 PM PDT * At 422 PM PDT, a severe thunderstorm was located 10 miles south of Lowell, or 28 miles southeast of Kamiah, moving north at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Lowell and Syringa. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4595 11537 4590 11562 4623 11581 4629 11543 TIME...MOT...LOC 2322Z 165DEG 14KT 4600 11552 HAIL...0.75IN WIND...60MPH $$
1 follow-up statement
179
WWUS55 KMSO 252358
SVSMSO
Severe Weather Statement
National Weather Service Missoula MT
458 PM PDT FRI MAY 25 2018
IDC049-260007-
/O.EXP.KMSO.SV.W.0002.000000T0000Z-180526T0000Z/
Idaho ID-
458 PM PDT FRI MAY 25 2018
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL IDAHO COUNTY WILL
EXPIRE AT 500 PM PDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.
LAT...LON 4595 11537 4590 11562 4623 11581 4629 11543
TIME...MOT...LOC 2357Z 165DEG 14KT 4612 11557
$$The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 12:18 PM PDT | Flash Flood Watch | MSO | Clearwater, Idaho | 11 hr |
| May 25, 2:59 PM PDT | Special Weather Statement | MSO | Idaho | 31 min |
| May 25, 3:38 PM PDT | Special Weather Statement | MSO | Idaho | 52 min |
| May 25, 3:50 PM PDT | Areal Flood Advisory | MSO | Lemhi | 3 hr |
| May 25, 4:02 PM PDT | Special Weather Statement | MSO | Idaho | 43 min |
| May 25, 4:09 PM PDT | Special Weather Statement | MSO | Idaho | 51 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 2018Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.