Alert archive / Minnesota / Excessive Heat Watches in 2014
Excessive Heat Watch 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this excessive heat watch at Jul 19, 2014, 4:28 AM CDT for 7 counties in Minnesota. It took effect at Jul 21, 2014, 12:00 PM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jul 19, 2014, 4:28 AM CDT (09:28 UTC)
- In effect from
- Jul 21, 2014, 12:00 PM CDT
- Expired
- Jul 20, 2014, 3:00 AM CDT
- In force
- Issued by
- NWS Twin Cities, MN
Counties Anoka County, MN, Carver County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN, Washington County, MN
The radar
The Minneapolis radar (KMPX), 22 km from the middle of the area, began a volume at 09:31 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
Aberdeen, SD (KABR), launched 00:00Z, 9.5 hours before the alert went out and 401 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
- 138 J/kg
- Mixed-layer CIN
- -319 J/kg
- Mixed-layer LCL
- 1569 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this excessive heat watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Twin Cities, MN wrote its last area forecast discussion before this excessive heat watch went out at Jul 19, 4:10 AM CDT, 18 minutes earlier.
Area forecast discussion, Jul 19, 4:10 AM CDT, 18 minutes before
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Excessive Heat Watches in Minnesota, 2014Every excessive heat watch in 2014
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.