Alert archive / Montana / Tornado Warnings in 2016
Tornado Warning 3, NWS Great Falls, MT
NWS Great Falls, MT issued this tornado warning at Jun 18, 2016, 5:54 PM MDT for Blaine County, Montana. It was in force for 36 min. 4 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 18, 2016, 5:54 PM MDT (23:54 UTC)
- Expired
- Jun 18, 2016, 6:30 PM MDT
- In force
- 36 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
County Blaine County, MT
The radar
The Glasgow radar (KGGW), 182 km from the middle of the area, began a volume at 23:54 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 18, 6:10 PM MDT | HAIL 1.75 | 15 Ese Lloyd, MT | QUARTER TO GOLF BALL SIZE HAIL. WINDOW SCREENS BROKEN FROM HAIL. TIME ESTIMATED BASED ON RADAR |
| Jun 18, 6:10 PM MDT | HAIL 1.75 | 15 Ese Lloyd, MT | QUARTER TO GOLF BALL SIZE HAIL. WINDOW SCREENS BROKEN FROM HAIL. TIME ESTIMATED BASED ON RADAR. |
| Jun 18, 6:31 PM MDT | TSTM WND GST 70 | 13 Nnw Hays, MT | FACEBOOK REPORT AND VIDEO FROM STORM CHASER. TIME AND LOCATION ESTIMATED BASED ON REPORT AND RADAR. |
| Jun 18, 6:31 PM MDT | HAIL 2 | 13 Nnw Hays, MT | FACEBOOK REPORT AND VIDEO FROM STORM CHASER. TIME AND LOCATION ESTIMATED BASED ON REPORT AND RADAR. |
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 18, 3:16 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 11.9 hours before the alert went out and 136 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
- 1982 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
063
WFUS55 KTFX 182354
TORTFX
MTC005-190030-
/O.NEW.KTFX.TO.W.0003.160618T2354Z-160619T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
554 PM MDT SAT JUN 18 2016
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL BLAINE COUNTY IN NORTH CENTRAL MONTANA...
* UNTIL 630 PM MDT
* AT 553 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 21 MILES EAST OF PARKER SCHOOL...OR 31 MILES
SOUTH OF CHINOOK...MOVING EAST AT 55 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
DAMAGE IS LIKELY.
* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
CENTRAL BLAINE COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4803 10942 4821 10943 4838 10857 4800 10854
TIME...MOT...LOC 2353Z 267DEG 50KT 4813 10931
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
JANGLIN2 follow-up statements
066
WWUS55 KTFX 190017
SVSTFX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
617 PM MDT SAT JUN 18 2016
MTC005-190030-
/O.CON.KTFX.TO.W.0003.000000T0000Z-160619T0030Z/
BLAINE MT-
617 PM MDT SAT JUN 18 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR EAST
CENTRAL BLAINE COUNTY...
AT 616 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 13 MILES NORTHWEST OF HAYS...OR 20 MILES NORTHWEST OF
ZORTMAN...MOVING EAST AT 60 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE DAMAGE
IS LIKELY.
THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
EAST CENTRAL BLAINE COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4803 10923 4819 10923 4827 10904 4837 10857
4800 10854
TIME...MOT...LOC 0016Z 267DEG 50KT 4815 10882
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
JANGLIN097
WWUS55 KTFX 190030
SVSTFX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
630 PM MDT SAT JUN 18 2016
MTC005-190039-
/O.EXP.KTFX.TO.W.0003.000000T0000Z-160619T0030Z/
BLAINE MT-
630 PM MDT SAT JUN 18 2016
...THE TORNADO WARNING FOR EAST CENTRAL BLAINE COUNTY WILL EXPIRE AT
630 PM MDT...
THE TORNADO THREAT HAS DIMINISHED AND THE TORNADO WARNING HAS BEEN
CANCELLED. HOWEVER...LARGE HAIL...DAMAGING WINDS...AND ISOLATED
TORNADO REMAIN LIKELY AND A SEVERE THUNDERSTORM WARNING REMAINS IN
EFFECT FOR THE AREA. HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT FOR
NORTH CENTRAL MONTANA.
REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
BLAINE COUNTY FOR GOLF BALL HAIL AND STRONG WINDS.
LAT...LON 4803 10923 4819 10923 4827 10904 4837 10857
4800 10854
TIME...MOT...LOC 0028Z 267DEG 50KT 4815 10882
$$
JANGLINThe office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 12:58 PM MDT | Special Weather Statement | TFX | Glacier | 47 min |
| Jun 18, 1:36 PM MDT | Special Weather Statement | TFX | Toole | 24 min |
| Jun 18, 2:08 PM MDT | Special Weather Statement | TFX | Glacier | 52 min |
| Jun 18, 2:29 PM MDT | Special Weather Statement | TFX | Glacier, Pondera | 46 min |
| Jun 18, 3:51 PM MDT | Special Weather Statement | TFX | Cascade | 24 min |
| Jun 18, 4:33 PM MDT | Special Weather Statement | TFX | Teton | 42 min |
| Jun 18, 4:41 PM MDT | Special Weather Statement | TFX | Chouteau | 34 min |
| Jun 18, 5:13 PM MDT | Special Weather Statement | TFX | Hill | 32 min |
| Jun 18, 5:36 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau, Hill | 24 min |
Nearby
Tornado Warnings in Montana, 2016Every tornado warning in 2016Tornadoes in 2016
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.