Alert archive / Missouri / Flash Flood Watches in 2020

Flash Flood Watch 3, NWS Springfield, MO

March 18, 202028 counties in Missouri; Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this flash flood watch at Mar 18, 2020, 2:24 PM CDT for 28 counties in Missouri; Cherokee County, Crawford County, Kansas. It took effect at Mar 19, 2020, 1:00 AM CDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Mar 18, 2020, 2:24 PM CDT (19:24 UTC)
In effect from: Mar 19, 2020, 1:00 AM CDT
Expired: Mar 19, 2020, 7:00 PM CDT
In force: 18 hr
Issued by: NWS Springfield, MO
Flood severity: None

All 30 counties

Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 27 km from the middle of the area, began a volume at 19:25 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

Topeka, KS (KTOP), launched 12:00Z, 7.4 hours before the alert went out and 294 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: 547 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 158 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 flash flood watch 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 flash flood watch went out at Mar 18, 12:11 PM CDT, 2 hours 13 minutes earlier.

Area forecast discussion, Mar 18, 12:11 PM CDT, 2 hours 13 minutes before

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Hazardous weather outlook, Mar 18, 1:11 PM CDT, 1 hour 13 minutes before

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    <section class="card" role="status" aria-live="polite">
      <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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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 5:57 AM CDT	Areal Flood Advisory	SGF	Douglas, Howell, Ozark, Taney, Texas, Wright	8 hr
Mar 18, 8:09 AM CDT	Areal Flood Advisory	SGF	Barry, McDonald	6 hr
Mar 18, 1:59 PM CDT	Areal Flood Advisory	SGF	Douglas, Howell, Ozark, Taney, Texas, Wright	6 hr
Mar 18, 2:01 PM CDT	Areal Flood Advisory	SGF	Barry, McDonald	6 hr

Nearby

Flash Flood Watches in Missouri, 2020 Flash Flood Watches in Kansas, 2020 Every flash flood watch in 2020

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.