Alert archive / Missouri / Areal Flood Warnings in 2021

Areal Flood Warning 44, NWS Springfield, MO

April 28, 2021McDonald County, Missouri

NWS Springfield, MO issued this areal flood warning at Apr 28, 2021, 7:42 PM CDT for McDonald County, Missouri. It was in force for 23 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: Apr 28, 2021, 7:42 PM CDT (00:42 UTC)
Expired: Apr 29, 2021, 7:00 PM CDT
In force: 23 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

County McDonald County, MO

The radar

The Springfield radar (KSGF), 108 km from the middle of the area, began a volume at 00:45 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 00:00Z, 0.7 hours before the alert went out and 57 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: 48 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 761 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 320 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

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 Apr 28, 6:38 PM CDT, 1 hour 4 minutes earlier.

Area forecast discussion, Apr 28, 6:38 PM CDT, 1 hour 4 minutes before

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Hazardous weather outlook, Apr 28, 4:04 PM CDT, 3 hours 38 minutes before

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<body>
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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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In the hours before

Local storm report, Apr 28, 2:32 PM CDT, 5 hours 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
232 PM CDT WED APR 28 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0225 PM     FLASH FLOOD      MCDOWELL                36.82N 93.79W
04/28/2021                   BARRY              MO   DEPT OF HIGHWAYS

            ROUTE C CLOSED BOTH WAYS DUE TO FLOODING.

&&

Local storm report, Apr 28, 2:34 PM CDT, 5 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
234 PM CDT WED APR 28 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0233 PM     FLASH FLOOD      9 SSE POWELL            36.51N 94.11W
04/28/2021                   MCDONALD           MO   DEPT OF HIGHWAYS

            ROUTE KK CLOSED BOTH WAYS DUE TO FLOODING.

&&

Local storm report, Apr 28, 2:39 PM CDT, 5 hours 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
239 PM CDT WED APR 28 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0238 PM     FLASH FLOOD      3 S ROGERSVILLE         37.07N 93.05W
04/28/2021                   CHRISTIAN          MO   DEPT OF HIGHWAYS

            ROUTE U CLOSED BOTH WAYS DUE TO FLOODING.

&&

Local storm report, Apr 28, 2:41 PM CDT, 5 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
241 PM CDT WED APR 28 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 PM     FLASH FLOOD      4 SSW HARDENVILLE       36.54N 92.40W
04/28/2021                   OZARK              MO   DEPT OF HIGHWAYS

            ROUTE T CLOSED BOTH WAYS DUE TO FLOODING.

&&

Local storm report, Apr 28, 2:43 PM CDT, 4 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
243 PM CDT WED APR 28 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0242 PM     FLASH FLOOD      1 WSW MOODY             36.52N 92.01W
04/28/2021                   HOWELL             MO   DEPT OF HIGHWAYS

            MO-142 CLOSED BOTH WAYS DUE TO FLOODING.

&&

Local storm report, Apr 28, 2:45 PM CDT, 4 hours 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
245 PM CDT WED APR 28 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 PM     FLASH FLOOD      5 NE MANSFIELD          37.17N 92.53W
04/28/2021                   WRIGHT             MO   DEPT OF HIGHWAYS

            ROUTE AB CLOSED BOTH WAYS DUE TO FLOODING.

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 12:38 AM CDT	Flash Flood Warning	SGF	Greene, Webster, Wright	3 hr
Apr 29, 1:58 AM CDT	Flash Flood Warning	SGF	Phelps	2 hr
Apr 29, 2:51 AM CDT	Severe Thunderstorm Warning	SGF	Oregon	24 min
Apr 29, 5:22 AM CDT	Areal Flood Warning	SGF	Christian, Greene, Webster	12 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.