Alert archive / Idaho / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 36, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jul 14, 2012, 2:23 PM PDT for Idaho County, Idaho. It was in force for 52 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
- Jul 14, 2012, 2:23 PM PDT (21:23 UTC)
- Expired
- Jul 14, 2012, 3:15 PM PDT
- In force
- 52 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
County Idaho County, ID
The radar
The Missoula radar (KMSX), 197 km from the middle of the area, began a volume at 21:23 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 |
|---|---|---|---|
| Jul 14, 2:48 PM PDT | TSTM WND GST 46 | N White Bird, ID | LARGE TREES BENT WITH SMALL BRANCHES BROKEN OFF ON PROPERTY. |
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 |
|---|---|---|---|
| Jul 14, 1:27 PM PDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 9.4 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
- 116 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 1715 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
400 WUUS55 KMSO 142123 SVRMSO IDC049-142215- /O.NEW.KMSO.SV.W.0036.120714T2123Z-120714T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 223 PM PDT SAT JUL 14 2012 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL IDAHO COUNTY IN CENTRAL IDAHO... * UNTIL 315 PM PDT. * AT 219 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ROAD TO PITTSBURG LANDING IN POE CABIN BURN...OR ABOUT 19 MILES SOUTHWEST OF GRANGEVILLE...AND WAS MOVING NORTHEAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE...CANFIELD...CLEARWATER...COPPERVILLE... FENN...GRANGEVILLE...HARPSTER...KOOSKIA...NEWSOME...STITES...WHITE BIRD AND ROAD TO PITTSBURG LANDING IN POE CABIN BURN. PRECAUTIONARY/PREPAREDNESS ACTIONS... DAMAGING WINDS ARE LIKELY WITH THIS SEVERE THUNDERSTORM. LARGE HAIL IS 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. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM PDT SATURDAY EVENING FOR NORTHEASTERN IDAHO. && LAT...LON 4629 11591 4591 11546 4562 11637 4574 11651 TIME...MOT...LOC 2123Z 217DEG 44KT 4577 11635 $$
3 follow-up statements
485 WWUS55 KMSO 142141 SVSMSO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 341 PM MDT SAT JUL 14 2012 IDC049-142215- /O.CON.KMSO.SV.W.0036.000000T0000Z-120714T2215Z/ IDAHO ID- 241 PM PDT SAT JUL 14 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM PDT FOR CENTRAL IDAHO COUNTY... * AT 236 PM PDT...A TRAINED WEATHER SPOTTER REPORTED A SEVERE THUNDERSTORM WITH THE HISTORY OF PRODUCING VERY HEAVY RAINFALL IN A VERY SHORT PERIOD OF TIME. * DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL UP TO ONE INCH IN DIAMETER ARE ALSO POSSIBLE. THIS STORM WAS LOCATED NEAR WHITE BIRD...OR ABOUT 13 MILES SOUTHWEST OF GRANGEVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM PDT SATURDAY EVENING FOR NORTHEASTERN IDAHO. && LAT...LON 4565 11629 4579 11643 4629 11591 4591 11546 TIME...MOT...LOC 2140Z 217DEG 44KT 4580 11622 $$
129 WWUS55 KMSO 142157 SVSMSO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 357 PM MDT SAT JUL 14 2012 IDC049-142215- /O.CON.KMSO.SV.W.0036.000000T0000Z-120714T2215Z/ IDAHO ID- 257 PM PDT SAT JUL 14 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM PDT FOR CENTRAL IDAHO COUNTY... * AT 254 PM PDT...SEVERAL TRAINED WEATHER SPOTTERS HAVE REPORTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING VERY HEAVY RAINFALL AND GUSTY WINDS. THIS STORM WAS LOCATED 6 MILES SOUTH OF GRANGEVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM PDT SATURDAY EVENING FOR NORTHEASTERN IDAHO. && LAT...LON 4571 11612 4587 11634 4626 11588 4591 11546 TIME...MOT...LOC 2156Z 217DEG 44KT 4586 11606 $$
354 WWUS55 KMSO 142209 SVSMSO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 409 PM MDT SAT JUL 14 2012 IDC049-142219- /O.EXP.KMSO.SV.W.0036.000000T0000Z-120714T2215Z/ IDAHO ID- 309 PM PDT SAT JUL 14 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL IDAHO COUNTY EXPIRES AT 315 PM PDT... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM PDT SATURDAY EVENING FOR NORTHEASTERN IDAHO. LAT...LON 4571 11612 4587 11634 4626 11588 4591 11546 TIME...MOT...LOC 2209Z 217DEG 44KT 4599 11592 $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 1:42 PM PDT | Flash Flood Watch | MSO | Lemhi | 6 hr |
| Jul 14, 2:59 PM PDT | Areal Flood Advisory | MSO | Lemhi | 49 min |
| Jul 14, 3:11 PM PDT | Areal Flood Advisory | MSO | Idaho | 2 hr |
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.