Alert archive / North Dakota / Heat Advisories in 2006
Heat Advisory 2, NWS Grand Forks, ND
NWS Grand Forks, ND issued this heat advisory at Jul 30, 2006, 4:01 AM CDT for 4 counties in Minnesota; 5 counties in North Dakota. It took effect at Jul 30, 2006, 2:00 PM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 30, 2006, 4:01 AM CDT (09:01 UTC)
- In effect from
- Jul 30, 2006, 2:00 PM CDT
- Expired
- Jul 30, 2006, 9:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Grand Forks, ND
Counties Clay County, MN, Grant County, MN, Otter Tail County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 121 km from the middle of the area, began a volume at 08:59 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
Minneapolis, MN (KMPX), launched 00:00Z, 9.0 hours before the alert went out and 315 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
- 4062 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1272 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 20.4
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Jul 29, 10:22 PM CDT, 5 hours 39 minutes earlier.
Area forecast discussion, Jul 29, 10:22 PM CDT, 5 hours 39 minutes before
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</html>Hazardous weather outlook, Jul 29, 11:45 PM CDT, 4 hours 16 minutes before
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</html>Nearby
Heat Advisories in North Dakota, 2006Heat Advisories in Minnesota, 2006Every heat advisory in 2006
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.