Alert archive / Minnesota / Special Weather Statements in 2018
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at May 1, 2018, 12:17 AM CDT for 4 counties in Minnesota. It was in force for 58 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 1, 2018, 12:17 AM CDT (05:17 UTC)
- Expired
- May 1, 2018, 1:15 AM CDT
- In force
- 58 min
- Issued by
- NWS Twin Cities, MN
Counties Lac qui Parle County, MN, Stevens County, MN, Swift County, MN, Yellow Medicine County, MN
The radar
The Aberdeen radar (KABR), 178 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
Aberdeen, SD (KABR), launched 00:00Z, 5.3 hours before the alert went out and 185 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
- 164 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 2057 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Apr 30, 11:04 PM CDT, 1 hour 13 minutes earlier.
Area forecast discussion, Apr 30, 11:04 PM CDT, 1 hour 13 minutes before
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</html>Hazardous weather outlook, Apr 30, 7:04 PM CDT, 5 hours 13 minutes before
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</html>In the hours before
Special weather statement, May 1, 12:17 AM CDT, 0 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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Please try again in a few minutes.
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</html>The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 11:54 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 53 min |
| May 1, 5:27 PM CDT | Special Weather Statement | MPX | Freeborn | 48 min |
| May 1, 5:53 PM CDT | Special Weather Statement | MPX | Freeborn | 37 min |
Nearby
Special Weather Statements in Minnesota, 2018Every special weather statement in 2018
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.