Alert archive / Kansas / Areal Flood Advisories in 2021

Areal Flood Advisory 5, NWS Dodge City, KS

August 1, 2021Morton County, Kansas

NWS Dodge City, KS issued this areal flood advisory at Aug 1, 2021, 2:13 AM CDT for Morton County, Kansas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 1, 2021, 2:13 AM CDT (07:13 UTC)
Expired
Aug 1, 2021, 5:15 AM CDT
In force
3 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon

County Morton County, KS

The radar

The Dodge City radar (KDDC), 173 km from the middle of the area, began a volume at 07:17 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 00:00Z, 7.2 hours before the alert went out and 180 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 00:00Z on 2021-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1535 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 00:00Z on 2021-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939Sfc1 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
1535 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1333 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
85 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 advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Dodge City, KS wrote its last area forecast discussion before this areal flood advisory went out at Aug 1, 1:14 AM CDT, 59 minutes earlier.

Area forecast discussion, Aug 1, 1:14 AM CDT, 59 minutes before
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Hazardous weather outlook, Aug 1, 12:52 AM CDT, 1 hour 21 minutes before
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      <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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In the hours before

Special weather statement, Jul 31, 10:32 PM CDT, 3 hours 41 minutes before
Special Weather Statement
National Weather Service Dodge City KS
1032 PM CDT Sat Jul 31 2021

KSZ089-090-010415-
Barber KS-Comanche KS-
1032 PM CDT Sat Jul 31 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN BARBER AND
SOUTHEASTERN COMANCHE COUNTIES UNTIL 1115 PM CDT...

At 1031 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles east of Buttermilk, moving east at 25 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Aetna and Buttermilk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3715 9935 3725 9897 3700 9895 3700 9933
TIME...MOT...LOC 0331Z 268DEG 24KT 3709 9918

TURNER

The office that day

Everything else NWS Dodge City, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 31, 7:03 PM CDTSpecial Weather StatementDDCGrant27 min
Jul 31, 7:06 PM CDTSpecial Weather StatementDDCPratt24 min
Jul 31, 7:38 PM CDTSpecial Weather StatementDDCPratt37 min
Jul 31, 7:46 PM CDTSpecial Weather StatementDDCStanton44 min
Jul 31, 10:32 PM CDTSpecial Weather StatementDDCComanche43 min

Nearby

Areal Flood Advisories in Kansas, 2021Every areal flood advisory 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.