Alert archive / North Dakota / Special Weather Statements in 2017
Special Weather Statement, NWS Grand Forks, ND
NWS Grand Forks, ND issued this special weather statement at Jun 28, 2017, 12:14 AM CDT for Norman County, Polk County, Minnesota; 4 counties in North Dakota. It was in force for 61 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
- Jun 28, 2017, 12:14 AM CDT (05:14 UTC)
- Expired
- Jun 28, 2017, 1:15 AM CDT
- In force
- 61 min
- Issued by
- NWS Grand Forks, ND
Counties Norman County, MN, Polk County, MN, Grand Forks County, ND, Nelson County, ND, Steele County, ND, Traill County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 25 km from the middle of the area, began a volume at 05:17 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 5.2 hours before the alert went out and 286 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
- 1769 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1953 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Forks, ND wrote its last area forecast discussion before this special weather statement went out at Jun 27, 11:37 PM CDT, 37 minutes earlier.
Area forecast discussion, Jun 27, 11:37 PM CDT, 37 minutes before
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</html>In the hours before
Special weather statement, Jun 28, 12:12 AM CDT, 2 minutes before
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</html>Special weather statement, Jun 28, 12:14 AM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 12:12 AM CDT | Special Weather Statement | FGF | Wilkin | 63 min |
| Jun 28, 10:15 AM CDT | Areal Flood Advisory | FGF | Polk | 3 hr |
| Jun 28, 12:59 PM CDT | Areal Flood Advisory | FGF | Polk | 3 hr |
Nearby
Special Weather Statements in North Dakota, 2017Special Weather Statements in Minnesota, 2017Every special weather statement in 2017
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.