Alert archive / Montana / High Wind Warnings in 2012
High Wind Warning 13, NWS Glasgow, MT
NWS Glasgow, MT issued this high wind warning at Oct 20, 2012, 3:21 AM MDT for Phillips County, Montana. It took effect at Oct 20, 2012, 12:00 PM MDT. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 20, 2012, 3:21 AM MDT (09:21 UTC)
- In effect from
- Oct 20, 2012, 12:00 PM MDT
- Expired
- Oct 20, 2012, 2:12 PM MDT
- In force
- 2 hr
- Issued by
- NWS Glasgow, MT
County Phillips County, MT
The radar
The Glasgow radar (KGGW), 96 km from the middle of the area, began a volume at 09:23 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.
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 9.4 hours before the alert went out and 97 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
- 2367 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
160 WWUS75 KGGW 200921 NPWGGW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GLASGOW MT 321 AM MDT SAT OCT 20 2012 A STRONG COLD FRONT WILL MOVE ACROSS EASTERN MONTANA THIS WILL USHER IN STRONGER WESTERLY WINDS BEHIND THIS COLD FRONT ACROSS THE REGION. MTZ060-202200- /O.NEW.KGGW.HW.W.0013.121020T1800Z-121021T0300Z/ SOUTHWEST PHILLIPS- INCLUDING THE CITY OF...ZORTMAN 321 AM MDT SAT OCT 20 2012 ...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING. * TIMING...WINDS WILL SIGNIFICANTLY INCREASE THIS AFTERNOON THROUGH THIS EVENING. * WINDS...STRONG NORTHWEST WINDS OF 40 TO 50 MPH WITH GUSTS TO 60 MPH ARE ANTICIPATED. * IMPACTS...THE STRONG WINDS WILL MAKE TRAVEL HAZARDOUS ESPECIALLY FOR HIGH PROFILE VEHICLES ON US 191 AND WILL CAUSE LOOSE OBJECTS TO BLOW AROUND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ MTZ016-017-021>023-202200- /O.NEW.KGGW.LW.Y.0051.121020T1600Z-121021T0300Z/ CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- PETROLEUM-GARFIELD-MCCONE- INCLUDING THE CITIES OF...MALTA...SACO...GLASGOW...FORT PECK... HINSDALE...FRAZER...WINNETT...JORDAN...CIRCLE 321 AM MDT SAT OCT 20 2012 ...LAKE WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT THIS EVENING. * TIMING...WESTERLY WINDS THIS MORNING WILL INCREASE AFTER 10 AM THIS MORNING. * WINDS...WEST WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS AS HIGH AS 45 MPH ACROSS THE OPEN WATERS OF THE LAKE THIS AFTERNOON. * IMPACTS...THE STRONG AND GUSTY WINDS WILL MAKE BOATING ON FORT PECK LAKE ROUGH AND HAZARDOUS THIS AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... BOATERS SHOULD USE EXTREME CAUTION IF VENTURING ONTO FORT PECK LAKE. THESE WINDS WILL MAKE OPEN WATERS OF THE LAKE ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS. && $$
1 follow-up statement
907 WWUS75 KGGW 202012 NPWGGW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GLASGOW MT 212 PM MDT SAT OCT 20 2012 A STRONG COLD FRONT WILL MOVE ACROSS EASTERN MONTANA THIS WILL USHER IN STRONGER WESTERLY WINDS BEHIND THIS COLD FRONT ACROSS THE REGION. MTZ060-202115- /O.CAN.KGGW.HW.W.0013.000000T0000Z-121021T0300Z/ SOUTHWEST PHILLIPS- INCLUDING THE CITY OF...ZORTMAN 212 PM MDT SAT OCT 20 2012 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS CANCELLED THE HIGH WIND WARNING. WINDS HAVE REMAINED BELOW AND SHOULD NOT REACH HIGH WIND CRITERIA AND THUS THE HIGH WIND WARNING IS CANCELLED. $$ MTZ016-017-021>023-210300- /O.CON.KGGW.LW.Y.0051.000000T0000Z-121021T0300Z/ CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- PETROLEUM-GARFIELD-MCCONE- INCLUDING THE CITIES OF...MALTA...SACO...GLASGOW...FORT PECK... HINSDALE...FRAZER...WINNETT...JORDAN...CIRCLE 212 PM MDT SAT OCT 20 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * TIMING...WESTERLY WINDS THIS MORNING WILL INCREASE AFTER 10 AM THIS MORNING. * WINDS...WEST WINDS WILL BE 20 TO 30 MPH WITH GUSTS AS HIGH AS 40 MPH ACROSS THE OPEN WATERS OF THE LAKE THROUGH EARLY EVENING. * IMPACTS...THE STRONG AND GUSTY WINDS WILL MAKE BOATING ON FORT PECK LAKE ROUGH AND HAZARDOUS THIS AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... BOATERS SHOULD USE EXTREME CAUTION IF VENTURING ONTO FORT PECK LAKE. THESE WINDS WILL MAKE OPEN WATERS OF THE LAKE ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS. && $$
The office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 20, 3:21 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 16 hr |
Nearby
High Wind Warnings in Montana, 2012Every high wind 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.