Alert archive / Idaho / Wind Advisories in 2010
Wind Advisory 21, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Dec 28, 2010, 1:55 AM PST for Clearwater County, Idaho County, Idaho. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 28, 2010, 1:55 AM PST (09:55 UTC)
- Expired
- Dec 28, 2010, 10:00 AM PST
- In force
- 8 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID
The radar
The Missoula radar (KMSX), 148 km from the middle of the area, began a volume at 09:55 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
Spokane, WA (KOTX), launched 00:00Z, 9.9 hours before the alert went out and 172 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
- 906 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
515 WWUS75 KMSO 280955 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 255 AM MST TUE DEC 28 2010 IDZ007-008-281800- /O.NEW.KMSO.WI.Y.0021.101228T0955Z-101228T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 155 AM PST TUE DEC 28 2010 ...WIND ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING FOR THE CAMAS PRAIRIE AND HIGHWAY 95 BETWEEN WHITE BIRD AND RIGGINS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY FOR THE CAMAS PRAIRIE AND HIGHWAY 95 BETWEEN WHITE BIRD AND RIGGINS...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING. * IMPACTS/TIMING: STRONG SOUTH WINDS ARE EXPECTED THROUGH THIS MORNING. WINDS WILL DECREASE THIS AFTERNOON. * WINDS: SOUTH 20 TO 30 MPH SUSTAINED WITH GUSTS TO 45 MPH. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...HIGHWAY 95 SLATE CREEK TO RIGGINS...AS WELL AS THE GRANGEVILLE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
1 follow-up statement
745 WWUS75 KMSO 281746 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1046 AM MST TUE DEC 28 2010 IDZ007-008-281900- /O.EXP.KMSO.WI.Y.0021.000000T0000Z-101228T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 946 AM PST TUE DEC 28 2010 ...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING FOR THE CAMAS PRAIRIE AND HIGHWAY 95 BETWEEN WHITE BIRD AND RIGGINS... THE WIND ADVISORY FOR THE CAMAS PRAIRIE AND HIGHWAY 95 BETWEEN WHITE BIRD AND RIGGINS WILL EXPIRE AT 10 AM PST THIS MORNING. SOUTH WINDS OVER THE CAMAS PRAIRIE AND HIGHWAY 95 CORRIDOR WILL CONTINUE TO DECREASE TODAY. THEREFORE THE WIND ADVISORY HAS BEEN ALLOWED TO EXPIRE. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...HIGHWAY 95 SLATE CREEK TO RIGGINS $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 27, 4:17 PM PST | Winter Storm Warning | MSO | Clearwater, Idaho, Lemhi | 60 hr |
| Dec 28, 9:43 AM PST | Winter Weather Advisory | MSO | Clearwater, Idaho, Lemhi | 46 hr |
Nearby
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.