Alert archive / Missouri / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 265, NWS Springfield, MO

August 6, 2019Oregon County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Aug 6, 2019, 7:52 PM CDT for Oregon County, Missouri. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 6, 2019, 7:52 PM CDT (00:52 UTC)
Expired
Aug 6, 2019, 8:17 PM CDT
In force
25 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Oregon County, MO

The radar

The Springfield radar (KSGF), 188 km from the middle of the area, began a volume at 00:53 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

Nashville Metro, TN (KBNA), launched 00:00Z, 0.9 hours before the alert went out and 434 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, Nashville Metro, TN at 00:00Z on 2019-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1077 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, Nashville Metro, TN at 00:00Z on 2019-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
1077 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1620 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 6, 6:58 PM CDT, 54 minutes earlier.

Area forecast discussion, Aug 6, 6:58 PM CDT, 54 minutes before
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Hazardous weather outlook, Aug 6, 5:29 PM CDT, 2 hours 23 minutes before
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In the hours before

Special weather statement, Aug 6, 6:28 PM CDT, 1 hour 24 minutes before
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Local storm report, Aug 6, 7:26 PM CDT, 26 minutes before
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Local storm report, Aug 6, 7:27 PM CDT, 25 minutes before
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Special weather statement, Aug 6, 7:33 PM CDT, 19 minutes before
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        Please try again in a few minutes.
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Local storm report, Aug 6, 7:41 PM CDT, 11 minutes before
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<body>
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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Aug 6, 7:43 PM CDT, 9 minutes before
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      <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        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 Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 6, 7:33 PM CDTSpecial Weather StatementSGFOregon42 min
Aug 7, 9:06 AM CDTRiver Flood WarningSGFVernon4 days
Aug 7, 9:20 AM CDTSpecial Weather StatementSGFVernon40 min
Aug 7, 9:23 AM CDTSpecial Weather StatementSGFPulaski52 min
Aug 7, 9:46 AM CDTSpecial Weather StatementSGFBenton44 min
Aug 7, 9:58 AM CDTSpecial Weather StatementSGFBarton, Cedar, Dade, Jasper, Lawrence, Polk47 min
Aug 7, 10:07 AM CDTFlash Flood WarningSGFBenton, Morgan6 hr
Aug 7, 10:12 AM CDTSevere Thunderstorm WarningSGFCamden, Morgan32 min
Aug 7, 10:37 AM CDTSpecial Weather StatementSGFCamden, Miller, Pulaski38 min
Aug 7, 11:03 AM CDTSevere Thunderstorm WarningSGFCamden, Pulaski27 min
Aug 7, 11:16 AM CDTSpecial Weather StatementSGFLaclede44 min
Aug 7, 11:25 AM CDTAreal Flood AdvisorySGFCamden, Miller, Pulaski6 hr
Aug 7, 11:31 AM CDTSevere Thunderstorm WarningSGFLaclede, Pulaski, Texas, Wright29 min
Aug 7, 11:37 AM CDTSpecial Weather StatementSGFDent, Phelps38 min
Aug 7, 12:01 PM CDTSpecial Weather StatementSGFShannon, Texas59 min
Aug 7, 1:10 PM CDTSevere Thunderstorm WarningSGFHowell, Ozark29 min
Aug 7, 1:46 PM CDTSpecial Weather StatementSGFOregon44 min
Aug 7, 2:24 PM CDTFlash Flood WatchSGFBarry, Barton, Cedar, Christian, Dade, Dallas and 16 more36 hr
Aug 7, 4:11 PM CDTRiver Flood WarningSGFVernon5 days
Aug 7, 4:11 PM CDTRiver Flood WarningSGFBates, Vernon21 days
Aug 7, 8:50 AM CDTSpecial Weather StatementSGFBourbon40 min
Aug 7, 1:49 PM CDTAreal Flood AdvisorySGFBourbon, Crawford6 hr
Aug 7, 3:26 PM CDTSpecial Weather StatementSGFBourbon34 min
Aug 7, 4:11 PM CDTRiver Flood WarningSGFBourbon61 hr
Aug 7, 4:11 PM CDTRiver Flood WarningSGFBourbon70 hr
Aug 7, 6:15 PM CDTSpecial Weather StatementSGFCrawford30 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2019Every severe thunderstorm warning 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.