Alert archive / Iowa / Special Weather Statements in 2017
Special Weather Statement, NWS Quad Cities, IA
NWS Quad Cities, IA issued this special weather statement at May 15, 2017, 3:03 PM CDT for Dubuque County, Iowa. It was in force for 12 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 15, 2017, 3:03 PM CDT (20:03 UTC)
- Expired
- May 15, 2017, 3:15 PM CDT
- In force
- 12 min
- Issued by
- NWS Quad Cities, IA
County Dubuque County, IA
The radar
The Quad Cities radar (KDVN), 111 km from the middle of the area, began a volume at 20:05 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
Davenport, (KDVN), launched 12:00Z, 8.1 hours before the alert went out and 111 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1352 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 158 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 Quad Cities, IA wrote its last area forecast discussion before this special weather statement went out at May 15, 2:33 PM CDT, 30 minutes earlier.
Area forecast discussion, May 15, 2:33 PM CDT, 30 minutes before
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</html>Hazardous weather outlook, May 15, 3:46 AM CDT, 11 hours 17 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>In the hours before
Special weather statement, May 15, 3:03 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Quad Cities IA/IL
303 PM CDT MON MAY 15 2017
IAC061-152015-
Dubuque-
303 PM CDT MON MAY 15 2017
...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL DUBUQUE COUNTY
UNTIL 315 PM CDT...
At 303 PM CDT, a strong thunderstorm was located over Sherrill, or 7
miles northwest of Dubuque, moving east at 40 mph.
Winds in excess of 30 mph and half inch hail are possible with this
storm.
Locations impacted include...
Rickardsville, Sherrill, Sageville, Durango, Five Points, East
Rickardsville and Mud Lake Park.
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 4263 9070 4261 9069 4259 9069 4257 9066
4256 9066 4255 9087 4261 9088 4264 9073
4264 9072
TIME...MOT...LOC 2003Z 260DEG 35KT 4259 9079
MCCLURENearby
Special Weather Statements in Iowa, 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.