Alert archive / Kansas / Special Weather Statements in 2019

Special Weather Statement, NWS Topeka, KS

August 1, 2019Dickinson County, Kansas

NWS Topeka, KS issued this special weather statement at Aug 1, 2019, 11:19 PM CDT for Dickinson County, Kansas. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 1, 2019, 11:19 PM CDT (04:19 UTC)
Expired
Aug 1, 2019, 11:45 PM CDT
In force
26 min
Issued by
NWS Topeka, KS

County Dickinson County, KS

The radar

The Topeka radar (KTWX), 82 km from the middle of the area, began a volume at 04:24 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 00:00Z, 4.3 hours before the alert went out and 134 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 00:00Z on 2019-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 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, Topeka, KS at 00:00Z on 2019-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
57 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1315 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Topeka, KS wrote its last area forecast discussion before this special weather statement went out at Aug 1, 7:00 PM CDT, 4 hours 19 minutes earlier.

Area forecast discussion, Aug 1, 7:00 PM CDT, 4 hours 19 minutes before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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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Hazardous weather outlook, Aug 1, 4:30 PM CDT, 6 hours 49 minutes before
Hazardous Weather Outlook
National Weather Service Topeka KS
430 PM CDT Thu Aug 1 2019

KSZ008>012-020>024-026-034>040-054>056-058-059-022130-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
430 PM CDT Thu Aug 1 2019

This hazardous weather outlook is for east central...north
central and northeast Kansas.

.DAY ONE...Tonight.

A Flash Flood Watch is in effect for portions of north central,
northeast,and east central Kansas through tonight. Additional
rounds of moderate to heavy rainfall are likely with widespread
rainfall amounts of 1 to 3 inches expected and locally higher
amounts certainly possible. This heavy rainfall could result in
localized flash flooding, especially for locations that have
already received several inches of rain, and rises on rivers and
creeks.

There is the potential for a few isolated strong to marginally
severe storms through tonight, with large hail and damaging
winds being the primary hazards.

Flooding on the Big Blue River near Blue Rapids will continue.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The Flash Flood Watch will remain in effect through Saturday
morning as additional rounds of moderate to heavy rainfall are
expected Friday and Friday night. There is the potential for an
additional 1 to 3 inches of rain with locally higher amounts
certainly possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

More detailed information can be accessed at...
http://www.weather.gov/top/sitrep

In the hours before

Special weather statement, Aug 1, 11:19 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Topeka KS
1119 PM CDT Thu Aug 1 2019

KSZ035-020445-
Dickinson-
1119 PM CDT Thu Aug 1 2019

...SPECIAL WEATHER STATEMENT FOR NORTHERN DICKINSON COUNTY...

At 1119 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles west of Moonlight, moving southeast at 20 mph.

Pea size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Abilene, Chapman, Enterprise, Moonlight and Talmage.

This includes Interstate 70 between mile markers 273 and 286.

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.

&&

LAT...LON 3901 9731 3909 9718 3894 9695 3880 9718
TIME...MOT...LOC 0419Z 323DEG 18KT 3899 9718

BD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 1:30 AM CDTSpecial Weather StatementTOPDickinson30 min
Aug 2, 2:36 AM CDTSpecial Weather StatementTOPDickinson24 min
Aug 2, 2:48 AM CDTFlash Flood WarningTOPDickinson4 hr
Aug 2, 3:34 AM CDTFlash Flood WarningTOPClay, Cloud, Ottawa4 hr
Aug 2, 4:31 AM CDTFlash Flood WarningTOPDickinson, Morris3 hr
Aug 2, 4:50 AM CDTFlash Flood WarningTOPOttawa115 min
Aug 2, 6:04 AM CDTAreal Flood WarningTOPFranklin11 hr
Aug 2, 6:40 AM CDTFlash Flood WarningTOPDickinson3 hr
Aug 2, 7:22 AM CDTRiver Flood WarningTOPDickinson50 hr
Aug 2, 7:22 AM CDTRiver Flood WarningTOPDickinson, Ottawa, Saline64 hr
Aug 2, 7:25 AM CDTFlash Flood WarningTOPCloud, Ottawa110 min
Aug 2, 8:28 AM CDTRiver Flood WarningTOPCloud3 days
Aug 2, 8:28 AM CDTRiver Flood WarningTOPOttawa49 hr
Aug 2, 8:28 AM CDTRiver Flood WarningTOPClay5 days
Aug 2, 8:35 AM CDTRiver Flood WarningTOPCloud71 hr
Aug 2, 8:35 AM CDTRiver Flood WarningTOPClay, Cloud34 hr
Aug 2, 9:15 AM CDTAreal Flood WarningTOPClay, Dickinson, Morris, Ottawa8 hr

Nearby

Special Weather Statements in Kansas, 2019Every special weather statement in 2019

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.