Alert archive / Montana / Tornado Warnings in 2016
Tornado Warning 2, NWS Glasgow, MT
NWS Glasgow, MT issued this tornado warning at Jun 21, 2016, 7:21 PM MDT for Richland County, Roosevelt County, Montana. It was in force for 39 min. 5 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 21, 2016, 7:21 PM MDT (01:21 UTC)
- Expired
- Jun 21, 2016, 8:00 PM MDT
- In force
- 39 min
- Issued by
- NWS Glasgow, MT
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Richland County, MT, Roosevelt County, MT
The radar
The Glasgow radar (KGGW), 144 km from the middle of the area, began a volume at 01:22 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 21, 7:34 PM MDT | HAIL 1 | 12 Sse Sprole, MT | |
| Jun 21, 7:55 PM MDT | HAIL 1.5 | 14 Sse Culbertson, MT | |
| Jun 21, 8:01 PM MDT | HAIL 1.75 | 12 Wsw Nohly, MT | SOCIAL MEDIA REPORT. |
| Jun 21, 8:08 PM MDT | TSTM WND GST 65 | 12 Wsw Nohly, MT | SIOUX PASS DOT OB SITE ON MT 16 |
| Jun 21, 8:10 PM MDT | HAIL 1.75 | 13 Se Culbertson, MT |
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 21, 3:09 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 1.4 hours before the alert went out and 143 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
- 818 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 2097 m above ground
- 0-6 km bulk shear
- 100 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 384 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 16.7
The text
As transmitted.
900
WFUS55 KGGW 220121
TORGGW
MTC083-085-220200-
/O.NEW.KGGW.TO.W.0002.160622T0121Z-160622T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GLASGOW MT
721 PM MDT TUE JUN 21 2016
THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN RICHLAND COUNTY IN NORTHEASTERN MONTANA...
SOUTHEASTERN ROOSEVELT COUNTY IN NORTHEASTERN MONTANA...
* UNTIL 800 PM MDT
* AT 721 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 7 MILES SOUTHWEST OF BROCKTON...OR 10 MILES
EAST OF POPLAR...MOVING EAST AT 50 MPH.
HAZARD...TORNADO AND QUARTER 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
NORTHERN RICHLAND AND SOUTHEASTERN ROOSEVELT COUNTIES.
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 4798 10511 4815 10501 4808 10410 4774 10422
TIME...MOT...LOC 0121Z 280DEG 41KT 4806 10499
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
BIGELBACH1 follow-up statement
955
WWUS55 KGGW 220140
SVSGGW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
740 PM MDT TUE JUN 21 2016
MTC083-085-220200-
/O.CON.KGGW.TO.W.0002.000000T0000Z-160622T0200Z/
RICHLAND MT-ROOSEVELT MT-
740 PM MDT TUE JUN 21 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM MDT FOR
NORTHEASTERN RICHLAND AND SOUTHEASTERN ROOSEVELT COUNTIES...
AT 740 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 10 MILES SOUTHWEST OF CULBERTSON...MOVING EAST AT 45 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE DAMAGE
IS LIKELY.
THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHEASTERN RICHLAND AND SOUTHEASTERN ROOSEVELT COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4790 10482 4813 10473 4808 10410 4774 10422
TIME...MOT...LOC 0140Z 280DEG 41KT 4802 10467
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
BIGELBACHThe office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 6:13 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt, Valley | 62 min |
| Jun 21, 6:16 PM MDT | Special Weather Statement | GGW | Daniels | 59 min |
| Jun 21, 7:08 PM MDT | Special Weather Statement | GGW | Roosevelt | 52 min |
| Jun 21, 7:13 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt | 62 min |
| Jun 21, 7:57 PM MDT | Tornado Warning | GGW | Richland, Roosevelt | 33 min |
| Jun 21, 9:43 PM MDT | Special Weather Statement | GGW | Daniels | 62 min |
| Jun 21, 10:26 PM MDT | Special Weather Statement | GGW | Sheridan | 49 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.