Alert archive / Missouri / Areal Flood Warnings in 2021

Areal Flood Warning 56, NWS Springfield, MO

May 28, 20216 counties in Missouri

NWS Springfield, MO issued this areal flood warning at May 28, 2021, 9:20 AM CDT for 6 counties in Missouri. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 28, 2021, 9:20 AM CDT (14:20 UTC)
Expired: May 28, 2021, 5:00 PM CDT
In force: 8 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Christian County, MO, Dallas County, MO, Greene County, MO, Laclede County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 45 km from the middle of the area, began a volume at 14:18 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

Springfield, MO (KSGF), launched 12:00Z, 2.3 hours before the alert went out and 93 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 551 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this areal flood warning went out at May 28, 6:21 AM CDT, 2 hours 59 minutes earlier.

Area forecast discussion, May 28, 6:21 AM CDT, 2 hours 59 minutes before

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Hazardous weather outlook, May 28, 5:00 AM CDT, 4 hours 20 minutes before

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In the hours before

Local storm report, May 28, 3:29 AM CDT, 5 hours 51 minutes before

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Local storm report, May 28, 4:59 AM CDT, 4 hours 21 minutes before

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Local storm report, May 28, 6:20 AM CDT, 3 hours before

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      <h1 id="headline">This service is currently unavailable.</h1>
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Local storm report, May 28, 9:11 AM CDT, 9 minutes before

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      <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 27, 8:12 PM CDT	Areal Flood Warning	SGF	Barry, Christian, Douglas, Stone	21 hr
May 27, 9:46 PM CDT	Areal Flood Warning	SGF	Barry, McDonald, Ozark, Stone, Taney	19 hr
May 28, 8:18 AM CDT	River Flood Warning	SGF	Jasper	29 hr
May 28, 8:18 AM CDT	River Flood Warning	SGF	Jasper, Newton	48 hr
May 28, 4:58 PM CDT	Areal Flood Warning	SGF	Barry, Lawrence	24 hr

Nearby

Areal Flood Warnings in Missouri, 2021 Every areal flood warning in 2021

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.