Alert archive / Iowa / Special Weather Statements in 2016

Special Weather Statement, NWS Quad Cities, IA

March 23, 20164 counties in Iowa; Hancock County, Illinois; Clark County, Missouri

NWS Quad Cities, IA issued this special weather statement at Mar 23, 2016, 10:31 PM CDT for 4 counties in Iowa; Hancock County, Illinois; Clark County, Missouri. It was in force for 29 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
Mar 23, 2016, 10:31 PM CDT (03:31 UTC)
Expired
Mar 23, 2016, 11:00 PM CDT
In force
29 min
Issued by
NWS Quad Cities, IA

Counties Des Moines County, IA, Henry County, IA, Lee County, IA, Louisa County, IA, Hancock County, IL, Clark County, MO

The radar

The Quad Cities radar (KDVN), 138 km from the middle of the area, began a volume at 03:32 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 00:00Z, 3.5 hours before the alert went out and 142 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2016-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2016-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 556 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
556 m²/s²
0-3 km storm-relative helicity
643 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Mar 23, 8:36 PM CDT, 1 hour 55 minutes earlier.

Area forecast discussion, Mar 23, 8:36 PM CDT, 1 hour 55 minutes before
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Hazardous weather outlook, Mar 23, 8:27 PM CDT, 2 hours 4 minutes before
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In the hours before

Special weather statement, Mar 23, 9:49 PM CDT, 42 minutes before
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Special weather statement, Mar 23, 10:04 PM CDT, 27 minutes before
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Local storm report, Mar 23, 10:11 PM CDT, 20 minutes before
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Special weather statement, Mar 23, 10:31 PM CDT, 0 minutes before
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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 23, 9:49 PM CDTSpecial Weather StatementDVNHenry, Jefferson, Van Buren56 min
Mar 23, 11:23 PM CDTSpecial Weather StatementDVNMuscatine, Scott22 min
Mar 23, 11:48 PM CDTSpecial Weather StatementDVNScott42 min
Mar 24, 7:08 AM CDTWinter Weather AdvisoryDVNBuchanan, Delaware, Dubuque, Jackson, Jones5 hr
Mar 24, 12:24 PM CDTRiver Flood WarningDVNDubuque5 days
Mar 24, 12:24 PM CDTRiver Flood WarningDVNClinton, Scott5 days
Mar 24, 12:24 PM CDTRiver Flood WarningDVNMuscatine, Scott6 days
Mar 24, 3:15 PM CDTRiver Flood WarningDVNClinton53 hr
Mar 24, 3:15 PM CDTRiver Flood WarningDVNMuscatine6 days
Mar 24, 3:15 PM CDTRiver Flood WarningDVNLouisa, Muscatine7 days
Mar 24, 3:15 PM CDTRiver Flood WarningDVNLouisa9 days
Mar 24, 3:15 PM CDTRiver Flood WarningDVNDes Moines, Louisa9 days
Mar 24, 3:15 PM CDTRiver Flood WarningDVNDes Moines11 days
Mar 24, 3:15 PM CDTRiver Flood WarningDVNDes Moines, Lee18 days
Mar 24, 12:34 AM CDTSpecial Weather StatementDVNBureau, Putnam41 min

Nearby

Special Weather Statements in Iowa, 2016Special Weather Statements in Illinois, 2016Special Weather Statements in Missouri, 2016Every special weather statement in 2016

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.