Alert archive / Kansas / Frost Advisories in 2019

Frost Advisory 2, NWS Topeka, KS

May 9, 2019Cloud County, Republic County, Kansas

NWS Topeka, KS issued this frost advisory at May 9, 2019, 2:34 PM CDT for Cloud County, Republic County, Kansas. It took effect at May 10, 2019, 3:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 9, 2019, 2:34 PM CDT (19:34 UTC)
In effect from
May 10, 2019, 3:00 AM CDT
Expired
May 10, 2019, 8:00 AM CDT
In force
5 hr
Issued by
NWS Topeka, KS

Counties Cloud County, KS, Republic County, KS

The radar

The Grand Island radar (KUEX), 100 km from the middle of the area, began a volume at 19:32 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, 7.6 hours before the alert went out and 286 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 2019-05-09Temperature 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, Dodge City, at 12:00Z on 2019-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -110 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
636 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-110 m²/s²
0-3 km storm-relative helicity
96 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 May 9, 12:18 PM CDT, 2 hours 16 minutes earlier.

Area forecast discussion, May 9, 12:18 PM CDT, 2 hours 16 minutes before
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Hazardous weather outlook, May 9, 4:08 AM CDT, 10 hours 26 minutes before
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In the hours before

Local storm report, May 9, 12:59 PM CDT, 1 hour 35 minutes before
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Local storm report, May 9, 1:02 PM CDT, 1 hour 32 minutes before
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Local storm report, May 9, 1:03 PM CDT, 1 hour 31 minutes before
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Local storm report, May 9, 1:04 PM CDT, 1 hour 30 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 7:12 PM CDTSpecial Weather StatementTOPWabaunsee33 min
May 8, 7:42 PM CDTAreal Flood AdvisoryTOPDickinson, Geary, Jackson, Jefferson, Lyon, Morris and 4 more3 hr
May 8, 8:50 PM CDTRiver Flood WarningTOPDickinson50 hr
May 8, 8:50 PM CDTRiver Flood WarningTOPPottawatomie29 hr
May 8, 8:50 PM CDTRiver Flood WarningTOPOttawa, Saline43 hr
May 8, 8:50 PM CDTRiver Flood WarningTOPOttawa18 hr
May 8, 11:09 PM CDTRiver Flood WarningTOPWabaunsee21 hr
May 9, 6:06 AM CDTRiver Flood WarningTOPDouglas, Jefferson16 hr

Nearby

Frost Advisories in Kansas, 2019Every frost advisory 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.