Alert archive / Kansas / Frost Advisories in 2022

Frost Advisory 1, NWS Topeka, KS

April 13, 20225 counties in Kansas

NWS Topeka, KS issued this frost advisory at Apr 13, 2022, 2:39 PM CDT for 5 counties in Kansas. It took effect at Apr 14, 2022, 1:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Apr 13, 2022, 2:39 PM CDT (19:39 UTC)
In effect from
Apr 14, 2022, 1:00 AM CDT
Expired
Apr 14, 2022, 9:00 AM CDT
In force
8 hr
Issued by
NWS Topeka, KS

Counties Anderson County, KS, Coffey County, KS, Douglas County, KS, Franklin County, KS, Osage County, KS

The radar

The Topeka radar (KTWX), 86 km from the middle of the area, began a volume at 19:40 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, 7.7 hours before the alert went out and 56 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 2022-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2022-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -215 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1589 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
-215 m²/s²
0-3 km storm-relative helicity
355 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 frost advisory 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 frost advisory went out at Apr 13, 12:28 PM CDT, 2 hours 11 minutes earlier.

Area forecast discussion, Apr 13, 12:28 PM CDT, 2 hours 11 minutes before
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Hazardous weather outlook, Apr 13, 6:11 AM CDT, 8 hours 28 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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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In the hours before

Local storm report, Apr 13, 2:24 PM CDT, 15 minutes before
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  <link rel="stylesheet" href="index.css">
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<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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:14 PM CDTSevere Thunderstorm WarningTOPCloud, Republic, Washington46 min
Apr 12, 7:36 PM CDTSevere Thunderstorm WarningTOPClay, Cloud39 min
Apr 12, 7:43 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Dickinson, Ottawa47 min
Apr 12, 7:58 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPCloud, Republic, Washington47 min
Apr 12, 8:15 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Riley45 min
Apr 12, 8:26 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Dickinson, Ottawa49 min
Apr 12, 8:42 PM CDTSevere Thunderstorm WarningTOPMarshall, Washington48 min
Apr 12, 9:00 PM CDTSevere Thunderstorm WarningTOPClay, Geary, Riley45 min
Apr 12, 9:13 PM CDTSpecial Weather StatementTOPDickinson47 min
Apr 12, 9:26 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPMarshall, Nemaha, Washington39 min
Apr 12, 9:29 PM CDTSevere Thunderstorm WarningTOPDickinson31 min
Apr 12, 9:47 PM CDTSpecial Weather StatementTOPPottawatomie, Riley28 min
Apr 12, 9:57 PM CDTSpecial Weather StatementTOPGeary48 min
Apr 12, 10:02 PM CDTSpecial Weather StatementTOPDickinson43 min
Apr 12, 10:08 PM CDTSpecial Weather StatementTOPNemaha37 min
Apr 12, 10:45 PM CDTSpecial Weather StatementTOPBrown30 min
Apr 13, 2:16 AM CDTFreeze WarningTOPBrown, Clay, Cloud, Dickinson, Geary, Jackson and 12 more31 hr
Apr 13, 2:31 PM CDTFire Weather WatchTOPBrown, Clay, Cloud, Dickinson, Douglas, Geary and 11 more12 hr

Nearby

Frost Advisories in Kansas, 2022Every frost advisory in 2022

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.