Alert archive / Missouri / Heat Advisories in 2020

Heat Advisory 4, NWS Springfield, MO

July 1, 202016 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this heat advisory at Jul 1, 2020, 2:49 PM CDT for 16 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It took effect at Jul 2, 2020, 1:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 1, 2020, 2:49 PM CDT (19:49 UTC)
In effect from
Jul 2, 2020, 1:00 PM CDT
Expired
Jul 2, 2020, 7:07 PM CDT
In force
6 hr
Issued by
NWS Springfield, MO

Counties Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Douglas County, MO, Greene County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk County, MO, Stone County, MO, Taney County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 40 km from the middle of the area, began a volume at 19:49 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

Springfield, MO (KSGF), launched 12:00Z, 7.8 hours before the alert went out and 31 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, Springfield, MO at 12:00Z on 2020-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2705 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, Springfield, MO at 12:00Z on 2020-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 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
2705 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
741 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
1.0
Supercell composite
10.3

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Springfield, MO wrote its last area forecast discussion before this heat advisory went out at Jul 1, 12:30 PM CDT, 2 hours 19 minutes earlier.

Area forecast discussion, Jul 1, 12:30 PM CDT, 2 hours 19 minutes before
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Hazardous weather outlook, Jul 1, 3:42 AM CDT, 11 hours 7 minutes before
Hazardous Weather Outlook
National Weather Service Springfield MO
342 AM CDT Wed Jul 1 2020

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-020845-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
342 AM CDT Wed Jul 1 2020

This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Limited hail risk.
  Limited thunderstorm wind damage risk.
  Limited flooding risk.
  Elevated lightning risk.
  Significant excessive heat risk.

DISCUSSION...

  A thunderstorm complex is expected to dive southeast and affect
  portions of the eastern Ozarks this morning into the early
  afternoon. Some wind gusts up to 60 mph along with small hail
  will be possible, along with very heavy rain and the potential
  for some localized flooding.

  A heat advisory is in effect for western Missouri into
  southeast Kansas where heat index values of 102 to 108 will be
  possible this afternoon.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

  Heat index values of 100 to 110 degrees will again be possible
  on Thursday. The hottest conditions are expected across
  southeastern Kansas and western Missouri. Very warm and humid
  conditions will then persist into the upcoming holiday weekend.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be needed through tonight.

&&

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

This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf

Lindenberg

In the hours before

Special weather statement, Jul 1, 9:36 AM CDT, 5 hours 13 minutes before
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Local storm report, Jul 1, 9:47 AM CDT, 5 hours 2 minutes before
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Local storm report, Jul 1, 9:53 AM CDT, 4 hours 56 minutes before
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Special weather statement, Jul 1, 11:03 AM CDT, 3 hours 46 minutes before
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Local storm report, Jul 1, 12:08 PM CDT, 2 hours 41 minutes before
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Local storm report, Jul 1, 1:49 PM CDT, 1 hour before
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The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 1, 7:08 AM CDTSpecial Weather StatementSGFBenton52 min
Jul 1, 7:31 AM CDTSpecial Weather StatementSGFHickory44 min
Jul 1, 8:08 AM CDTSpecial Weather StatementSGFCamden, Miller, Morgan52 min
Jul 1, 8:53 AM CDTSpecial Weather StatementSGFDallas, Laclede, Maries, Phelps, Pulaski52 min
Jul 1, 9:36 AM CDTSpecial Weather StatementSGFTexas, Webster, Wright39 min
Jul 1, 11:03 AM CDTSpecial Weather StatementSGFStone, Taney57 min
Jul 1, 11:20 AM CDTSevere Thunderstorm WarningSGFDouglas, Howell, Ozark40 min
Jul 1, 11:36 AM CDTSevere Thunderstorm WarningSGFOzark, Taney24 min
Jul 1, 12:00 PM CDTSevere Thunderstorm WarningSGFHowell, Ozark, Taney30 min

Nearby

Heat Advisories in Missouri, 2020Heat Advisories in Kansas, 2020Every heat advisory in 2020

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.