Alert archive / Kansas / Flash Flood Watches in 2015

Flash Flood Watch 2, NWS Hastings, NE

July 19, 2015Mitchell County, Osborne County, Rooks County, Kansas

NWS Hastings, NE issued this flash flood watch at Jul 19, 2015, 3:57 PM CDT for Mitchell County, Osborne County, Rooks County, Kansas. It took effect at Jul 19, 2015, 7:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 2015, 3:57 PM CDT (20:57 UTC)
In effect from
Jul 19, 2015, 7:00 PM CDT
Expired
Jul 20, 2015, 3:21 AM CDT
In force
8 hr
Issued by
NWS Hastings, NE
Flood severity
None

Counties Mitchell County, KS, Osborne County, KS, Rooks County, KS

The radar

The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 20:57 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

Dodge City, (KDDC), launched 12:00Z, 9.0 hours before the alert went out and 203 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, Dodge City, at 12:00Z on 2015-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 joules per kilogram.LCLLFCEL10008507005003002001001 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, Dodge City, at 12:00Z on 2015-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 square meters per square second.193958Sfc1 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
36 J/kg
Mixed-layer CIN
-355 J/kg
Mixed-layer LCL
2096 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
297 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.

Hazardous weather outlook, Jul 18, 3:58 PM CDT, 23 hours 59 minutes before
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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 19, 2:15 AM CDTSpecial Weather StatementGIDPhillips30 min
Jul 19, 2:37 AM CDTSevere Thunderstorm WarningGIDPhillips, Smith38 min
Jul 19, 2:43 AM CDTSevere Thunderstorm WarningGIDPhillips, Rooks47 min
Jul 19, 3:13 AM CDTSevere Thunderstorm WarningGIDOsborne, Smith47 min
Jul 19, 4:00 AM CDTSpecial Weather StatementGIDSmith45 min
Jul 19, 4:44 AM CDTAreal Flood AdvisoryGIDOsborne, Phillips, Rooks, Smith4 hr
Jul 19, 4:55 AM CDTSpecial Weather StatementGIDMitchell50 min

Nearby

Flash Flood Watches in Kansas, 2015Every flash flood watch in 2015

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.