Alert archive / Missouri / Flash Flood Watches in 2014

Flash Flood Watch 1, NWS Kansas City, MO

April 2, 20148 counties in Missouri; Johnson County, Miami County, Kansas

NWS Kansas City, MO issued this flash flood watch at Apr 2, 2014, 3:17 PM CDT for 8 counties in Missouri; Johnson County, Miami County, Kansas. It took effect at Apr 2, 2014, 7:00 PM CDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Apr 2, 2014, 3:17 PM CDT (20:17 UTC)
In effect from
Apr 2, 2014, 7:00 PM CDT
Expired
Apr 3, 2014, 6:27 PM CDT
In force
23 hr
Issued by
NWS Kansas City, MO
Flood severity
None

Counties Johnson County, KS, Miami County, KS, Cass County, MO, Cooper County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Pettis County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 41 km from the middle of the area, began a volume at 20:20 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 (KFOE), launched 12:00Z, 8.3 hours before the alert went out and 160 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, Topeka, KS at 12:00Z on 2014-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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, Topeka, KS at 12:00Z on 2014-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
485 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
448 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

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 Kansas City, MO wrote its last area forecast discussion before this flash flood watch went out at Apr 2, 3:13 PM CDT, 4 minutes earlier.

Area forecast discussion, Apr 2, 3:13 PM CDT, 4 minutes before
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Hazardous weather outlook, Apr 2, 12:11 PM CDT, 3 hours 6 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.
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 5:17 AM CDTSpecial Weather StatementEAXJackson28 min
Apr 2, 5:30 AM CDTSpecial Weather StatementEAXCass45 min
Apr 2, 12:02 PM CDTRiver Flood WarningEAXJohnson, Pettis66 hr
Apr 2, 12:02 PM CDTRiver Flood WarningEAXCooper, Saline7 days
Apr 2, 12:02 PM CDTRiver Flood WarningEAXCooper66 hr
Apr 2, 4:42 AM CDTSpecial Weather StatementEAXJohnson33 min
Apr 2, 5:06 AM CDTSpecial Weather StatementEAXMiami24 min

Nearby

Flash Flood Watches in Missouri, 2014Flash Flood Watches in Kansas, 2014Every flash flood watch in 2014

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.