Alert archive / Idaho / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 13, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jun 4, 2012, 6:55 PM PDT for Idaho County, Idaho. It was in force for 50 min. 2 reports 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
- Jun 4, 2012, 6:55 PM PDT (01:55 UTC)
- Expired
- Jun 4, 2012, 7:45 PM PDT
- In force
- 50 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
County Idaho County, ID
The radar
The Missoula radar (KMSX), 187 km from the middle of the area, began a volume at 01:56 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 |
|---|---|---|---|
| Jun 4, 7:15 PM PDT | HAIL 1 | 5 Se Grangeville, ID | |
| Jun 4, 7:45 PM PDT | HAIL 1 | Kooskia, ID | SOME WIND AS WELL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 4, 12:46 PM PDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 1.9 hours before the alert went out and 176 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
- 1397 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
579
WUUS55 KMSO 050155
SVRMSO
IDC049-050245-
/O.NEW.KMSO.SV.W.0013.120605T0155Z-120605T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
655 PM PDT MON JUN 4 2012
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN IDAHO COUNTY IN CENTRAL IDAHO...
* UNTIL 745 PM PDT.
* AT 652 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING ONE INCH HAIL...AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 11 MILES SOUTH OF GRANGEVILLE...
AND WAS MOVING NORTH AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...CLEARWATER...EAST KAMIAH...FENN...
GLENWOOD...GRANGEVILLE...HARPSTER...KOOSKIA...STITES...SYRINGA AND
WINONA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
LARGE HAIL IS LIKELY WITH THIS SEVERE THUNDERSTORM. DAMAGING WINDS
ARE POSSIBLE...ALONG WITH FREQUENT LIGHTNING AND HEAVY RAIN. FOR YOUR
PROTECTION...GO INDOORS AND STAY AWAY FROM WINDOWS. IF YOU ARE CAUGHT
OUTSIDE...MOVE TO A WELL PROTECTED AREA.
&&
LAT...LON 4617 11626 4617 11620 4622 11614 4623 11603
4627 11610 4629 11610 4628 11587 4627 11582
4628 11566 4562 11598 4568 11627
TIME...MOT...LOC 0155Z 198DEG 35KT 4580 11607
$$
DICKERSON1 follow-up statement
502
WWUS55 KMSO 050229
SVSMSO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
829 PM MDT MON JUN 4 2012
IDC049-050245-
/O.CON.KMSO.SV.W.0013.000000T0000Z-120605T0245Z/
IDAHO ID-
729 PM PDT MON JUN 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM PDT
FOR WESTERN IDAHO COUNTY...
* AT 725 PM PDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM
PRODUCING HAIL UP TO ONE INCH IN DIAMETER. THIS STORM WAS LOCATED
NEAR WINONA...OR ABOUT NEAR KAMIAH...AND WAS MOVING NORTH AT 60 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TUESDAY MORNING FOR NORTHEASTERN IDAHO AND NORTHWESTERN MONTANA.
&&
LAT...LON 4617 11626 4617 11620 4622 11614 4623 11603
4627 11610 4629 11610 4628 11587 4627 11582
4628 11566 4562 11598 4568 11627
TIME...MOT...LOC 0229Z 183DEG 51KT 4621 11604
$$
CORBYThe office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 6:30 PM PDT | Special Weather Statement | MSO | Clearwater | 45 min |
| Jun 4, 6:33 PM PDT | Special Weather Statement | MSO | Lewis | 42 min |
| Jun 4, 7:40 PM PDT | Severe Thunderstorm Warning | MSO | Idaho | 50 min |
| Jun 4, 7:47 PM PDT | Severe Thunderstorm Warning | MSO | Clearwater, Idaho | 43 min |
| Jun 4, 8:29 PM PDT | Severe Thunderstorm Warning | MSO | Clearwater, Idaho | 46 min |
| Jun 4, 9:17 PM PDT | Severe Thunderstorm Warning | MSO | Clearwater, Idaho | 43 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 2012Every severe thunderstorm warning in 2012
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.