Alert archive / Missouri / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 285, NWS Quad Cities, IA

July 10, 2024Scotland County, Missouri

NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 10, 2024, 3:49 PM CDT for Scotland County, Missouri. It was in force for 36 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: Jul 10, 2024, 3:49 PM CDT (20:49 UTC)
Expired: Jul 10, 2024, 4:25 PM CDT
In force: 36 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Scotland County, MO

The radar

The Quad Cities radar (KDVN), 184 km from the middle of the area, began a volume at 20:52 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 10, 2:44 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.8 hours before the alert went out and 190 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 370 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 1250 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 55 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 3:26 PM CDT, 23 minutes earlier.

Area forecast discussion, Jul 10, 3:26 PM CDT, 23 minutes before

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Hazardous weather outlook, Jul 10, 2:57 PM CDT, 52 minutes before

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In the hours before

Special weather statement, Jul 10, 1:11 PM CDT, 2 hours 38 minutes before

Special Weather Statement
National Weather Service Quad Cities IA/IL
Issued by National Weather Service La Crosse WI
111 PM CDT Wed Jul 10 2024

IAZ040-101900-
Buchanan IA-
111 PM CDT Wed Jul 10 2024

...A strong thunderstorm will impact portions of Buchanan County
through 200 PM CDT
...

At 111 PM CDT, Doppler radar was tracking a strong thunderstorm over
Independence, moving southeast at 20 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could cause minor tree limb damage and blow
         around unsecured objects. Minor damage to outdoor objects
         is possible.

Locations impacted include...
Independence, Winthrop, Quasqueton, Rowley, Monti, Buchanan County
Fairgrounds, Winthrop Golf Course, Otterville, Wapsipinicon Golf
Course, and Independence Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4250 9161 4247 9161 4247 9160 4233 9160
      4230 9161 4230 9193 4242 9204 4259 9193
TIME...MOT...LOC 1811Z 296DEG 16KT 4246 9185

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

EMS

Local storm report, Jul 10, 1:58 PM CDT, 1 hour 51 minutes before

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Special weather statement, Jul 10, 2:13 PM CDT, 1 hour 36 minutes before

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Special weather statement, Jul 10, 3:18 PM CDT, 31 minutes before

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Local storm report, Jul 10, 3:42 PM CDT, 7 minutes before

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Special weather statement, Jul 10, 3:47 PM CDT, 2 minutes before

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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 10, 1:11 PM CDT	Special Weather Statement	DVN	Buchanan	49 min
Jul 10, 2:13 PM CDT	Special Weather Statement	DVN	Delaware, Dubuque	62 min
Jul 10, 3:18 PM CDT	Special Weather Statement	DVN	Scott	42 min
Jul 10, 3:40 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine	50 min
Jul 10, 3:57 PM CDT	Special Weather Statement	DVN	Scott	48 min
Jul 10, 3:59 PM CDT	Special Weather Statement	DVN	Van Buren	46 min
Jul 10, 4:00 PM CDT	Special Weather Statement	DVN	Benton	45 min
Jul 10, 4:35 PM CDT	Special Weather Statement	DVN	Van Buren	40 min
Jul 10, 4:55 PM CDT	Special Weather Statement	DVN	Johnson	50 min
Jul 10, 5:26 PM CDT	Special Weather Statement	DVN	Lee	49 min
Jul 10, 5:45 PM CDT	Flash Flood Warning	DVN	Johnson	88 min
Jul 10, 3:47 PM CDT	Special Weather Statement	DVN	Stephenson	43 min
Jul 10, 5:12 PM CDT	Special Weather Statement	DVN	Rock Island	48 min
Jul 10, 5:49 PM CDT	Special Weather Statement	DVN	Hancock	41 min
Jul 10, 6:24 PM CDT	Special Weather Statement	DVN	McDonough	66 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2024 Every severe thunderstorm warning in 2024

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.