Alert archive / Montana / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 21, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jun 8, 2006, 3:30 PM MDT for Fergus County, Montana. It was in force for 60 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 8, 2006, 3:30 PM MDT (21:30 UTC)
- Expired
- Jun 8, 2006, 4:30 PM MDT
- In force
- 60 min
- Issued by
- NWS Great Falls, MT
- Area
- Counties, with a storm outline in the text
County Fergus County, MT
The radar
The Billings radar (KBLX), 141 km from the middle of the area, began a volume at 21:30 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 8, 4:05 PM MDT | HAIL 0.25 | 3 W Hilger, MT | |
| Jun 8, 4:08 PM MDT | TSTM WND GST 60 | Hilger, MT | WIND GUST ESTIMATED TO 60 MPH...WHICH BENT TREES ALMOST TO THE GROUND. ALSO REPORTED 1/2 INCH HAIL. |
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 8, 1:10 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 9.5 hours before the alert went out and 104 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
- 10 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 699 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS55 KTFX 082130 SVRTFX MTC027-082230- /O.NEW.KTFX.SV.W.0021.060608T2130Z-060608T2230Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREAT FALLS MT 330 PM MDT THU JUN 8 2006 THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL FERGUS COUNTY IN CENTRAL MONTANA THIS INCLUDES THE CITY OF LEWISTOWN * UNTIL 430 PM MDT * AT 325 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 14 MILES NORTHEAST OF MOCCASIN TO 19 MILES NORTHEAST OF HARLOWTON...MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORMS WILL BE... NEAR LEWISTOWN BY 350 PM MDT NEAR HILGER BY 355 PM MDT THIS ALSO INCLUDES HIGHWAY 200 BETWEEN MILE MARKERS 65 AND 110. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH ARE LIKELY WITH THESE STORMS. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. LAT...LON 4727 10976 4660 10976 4659 10886 4727 10884 $$ SCHAUMANN
2 follow-up statements
000 WWUS55 KTFX 082203 SVSTFX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 403 PM MDT THU JUN 8 2006 MTC027-082230- /O.CON.KTFX.SV.W.0021.000000T0000Z-060608T2230Z/ FERGUS MT- 403 PM MDT THU JUN 8 2006 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 430 PM MDT FOR CENTRAL FERGUS COUNTY... AT 357 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE HAIL...AND WIND GUSTS TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES NORTHWEST OF HILGER TO 20 MILES SOUTH OF LEWISTOWN...MOVING NORTHEAST AT 30 MPH. THIS ALSO INCLUDES HIGHWAY 200 BETWEEN MILE MARKERS 65 AND 110. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. LAT...LON 4727 10976 4660 10976 4659 10886 4727 10884 $$ SCHAUMANN
000 WWUS55 KTFX 082228 SVSTFX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 428 PM MDT THU JUN 8 2006 MTC027-082238- /O.EXP.KTFX.SV.W.0021.000000T0000Z-060608T2230Z/ FERGUS MT- 428 PM MDT THU JUN 8 2006 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FERGUS COUNTY EXPIRES AT 430 PM MDT... NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER SEVERE... THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. RADAR INDICATES THAT GUSTY WINDS AND SMALL HAIL ARE STILL POSSIBLE FROM THIS STORM. LAT...LON 4727 10976 4660 10976 4659 10886 4727 10884 $$ SCHAUMANN
Nearby
Severe Thunderstorm Warnings in Montana, 2006Every severe thunderstorm warning in 2006
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.