Alert archive / Idaho / Wind Advisories in 2009
Wind Advisory 13, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at May 14, 2009, 5:20 AM PDT for Clearwater County, Idaho County, Idaho. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 14, 2009, 5:20 AM PDT (12:20 UTC)
- Expired
- May 14, 2009, 10:45 AM PDT
- In force
- 5 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 12:21 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, 0.3 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
- 3 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 470 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 188 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS75 KMSO 141220 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 620 AM MDT THU MAY 14 2009 IDZ007-141800- /O.NEW.KMSO.WI.Y.0013.090514T1220Z-090515T0000Z/ OROFINO/GRANGEVILLE REGION- 520 AM PDT THU MAY 14 2009 ...WIND ADVISORY IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. STRONG WINDS ALOFT ALONG WITH A TIGHTNING SURFACE PRESSURE GRADIENT WILL PRODUCE STRONG GUSTY SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 35 MPH MAINLY SOUTH OF HIGHWAY 12 AND IN GRANGVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ MTZ003-141800- /O.CON.KMSO.LW.Y.0004.090514T1800Z-090515T0300Z/ FLATHEAD/MISSION VALLEYS- 620 AM MDT THU MAY 14 2009 ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... A LAKE WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING. STRONG WINDS ALOFT ALONG WITH A TIGHTENING SOUTHWESTERLY PRESSURE GRADIENT WILL CREATE GUSTY WINDS ON FLATHEAD LAKE. SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 30 MPH CAN BE EXPECTED THURSDAY AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. && $$
1 follow-up statement
000 WWUS75 KMSO 141745 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1145 AM MDT THU MAY 14 2009 IDZ007-141845- /O.CAN.KMSO.WI.Y.0013.000000T0000Z-090515T0000Z/ OROFINO/GRANGEVILLE REGION- 1045 AM PDT THU MAY 14 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. STRONG WINDS HAVE DECREASED THUS THE WIND ADVISORY HAS BEEN CANCELED. WINDS OF 10 TO 20 MPH WITH HIGHER GUSTS TO NEAR 30 MPH WILL CONTINUE THROUGH THE AFTERNOON AND EARLY EVENING HOURS. $$ MTZ003-150145- /O.CON.KMSO.LW.Y.0004.090514T1800Z-090515T0300Z/ FLATHEAD/MISSION VALLEYS- 1145 AM MDT THU MAY 14 2009 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. STRONG WINDS ALOFT ALONG WITH A TIGHTENING SOUTHWESTERLY PRESSURE GRADIENT WILL CREATE GUSTY WINDS ON FLATHEAD LAKE. SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 30 MPH CAN BE EXPECTED THURSDAY AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. && $$
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.