Alert archive / Montana / Special Weather Statements in 2016
Special Weather Statement, NWS Great Falls, MT
NWS Great Falls, MT issued this special weather statement at May 19, 2016, 2:04 PM MDT for Fergus County, Montana. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 19, 2016, 2:04 PM MDT (20:04 UTC)
- Expired
- May 19, 2016, 2:45 PM MDT
- In force
- 41 min
- Issued by
- NWS Great Falls, MT
County Fergus County, MT
The radar
The Great Falls radar (KTFX), 160 km from the middle of the area, began a volume at 20:07 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
Great_falls, MT (KTFX), launched 12:00Z, 8.1 hours before the alert went out and 101 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
- 48 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 1959 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
355 WWUS85 KTFX 192004 SPSTFX SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 204 PM MDT THU MAY 19 2016 MTZ051-192045- FERGUS MT- 204 PM MDT THU MAY 19 2016 ...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL FERGUS COUNTY UNTIL 245 PM MDT... AT 203 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11 MILES SOUTH OF WINIFRED...OR 24 MILES NORTH OF LEWISTOWN...MOVING NORTHEAST AT 25 MPH. NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... WINIFRED...SUFFOLK AND CHRISTINA. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. LAT...LON 4724 10924 4735 10944 4770 10944 4760 10894 TIME...MOT...LOC 2003Z 205DEG 22KT 4740 10930 $$ MARTIN
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 9:20 AM MDT | River Flood Watch | TFX | 4 days | |
| May 19, 12:52 PM MDT | Special Weather Statement | TFX | Fergus | 23 min |
| May 19, 1:19 PM MDT | Special Weather Statement | TFX | Fergus | 41 min |
| May 19, 2:32 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 28 min |
| May 19, 3:15 PM MDT | Special Weather Statement | TFX | Judith Basin | 45 min |
| May 19, 3:44 PM MDT | Special Weather Statement | TFX | Fergus | 46 min |
| May 19, 4:16 PM MDT | Special Weather Statement | TFX | Fergus | 44 min |
| May 19, 5:33 PM MDT | Special Weather Statement | TFX | Fergus | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.