Alert archive / Montana / Special Weather Statements in 2016
Special Weather Statement, NWS Glasgow, MT
NWS Glasgow, MT issued this special weather statement at Aug 7, 2016, 9:10 PM MDT for Dawson County, Montana. It was in force for 50 min. 1 report 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
- Aug 7, 2016, 9:10 PM MDT (03:10 UTC)
- Expired
- Aug 7, 2016, 10:00 PM MDT
- In force
- 50 min
- Issued by
- NWS Glasgow, MT
County Dawson County, MT
The radar
The Glasgow radar (KGGW), 161 km from the middle of the area, began a volume at 03:11 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 |
|---|---|---|---|
| Aug 7, 9:22 PM MDT | TSTM WND GST 62 | 8 Nw Lindsay, MT | LINDSAY DIVIDE MT-DOT MESONET STATION RECORDED A WIND GUST TO 62 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 3.2 hours before the alert went out and 161 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
- 614 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 2334 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
185
WWUS85 KGGW 080310
SPSGGW
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
910 PM MDT SUN AUG 7 2016
MTZ023-025-026-080400-
PRAIRIE MT-DAWSON MT-MCCONE MT-
910 PM MDT SUN AUG 7 2016
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN MCCONE...
NORTHWESTERN PRAIRIE AND SOUTHERN DAWSON COUNTIES UNTIL 1000 PM
MDT...
AT 909 PM MDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM 8 MILES SOUTH OF BROCKWAY TO 18 MILES NORTHWEST
OF TERRY TO 7 MILES NORTH OF FALLON. MOVEMENT WAS NORTHEAST AT 45
MPH.
HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
GLENDIVE...CIRCLE...FALLON...WEST GLENDIVE...LINDSAY...MCCLOUD...
MARSH...STIPEK...FOREST PARK AND HOYT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
&&
LAT...LON 4682 10505 4689 10567 4716 10582 4770 10534
4731 10503 4715 10442
TIME...MOT...LOC 0309Z 228DEG 40KT 4718 10573 4697 10560 4694 10506
$$
MICKELSONThe office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 8:30 PM MDT | Special Weather Statement | GGW | Prairie | 45 min |
| Aug 7, 10:06 PM MDT | Special Weather Statement | GGW | Roosevelt | 39 min |
| Aug 7, 10:48 PM MDT | Special Weather Statement | GGW | Roosevelt | 42 min |
Nearby
Special Weather Statements in Montana, 2016Every special weather statement 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.