Alert archive / Missouri / Special Weather Statements in 2019
Special Weather Statement, NWS St. Louis, MO
NWS St. Louis, MO issued this special weather statement at May 18, 2019, 7:02 PM CDT for 4 counties in Missouri. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 18, 2019, 7:02 PM CDT (00:02 UTC)
- Expired
- May 18, 2019, 8:00 PM CDT
- In force
- 58 min
- Issued by
- NWS St. Louis, MO
Counties Franklin County, MO, Lincoln County, MO, Pike County, MO, Saint Charles County, MO
The radar
The St Louis radar (KLSX), 59 km from the middle of the area, began a volume at 00:03 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
Davenport, (KDVN), launched 00:00Z, 0.0 hours before the alert went out and 278 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2609 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- -65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before this special weather statement went out at May 18, 6:50 PM CDT, 12 minutes earlier.
Area forecast discussion, May 18, 6:50 PM CDT, 12 minutes before
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</html>Hazardous weather outlook, May 18, 3:47 PM CDT, 3 hours 15 minutes before
Hazardous Weather Outlook National Weather Service Saint Louis MO 347 PM CDT Sat May 18 2019 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-192100- Adams IL-Audrain MO-Bond IL-Boone MO-Brown IL-Calhoun IL-Callaway MO- Clinton IL-Cole MO-Crawford MO-Fayette IL-Franklin MO-Gasconade MO- Greene IL-Iron MO-Jefferson MO-Jersey IL-Knox MO-Lewis MO-Lincoln MO- Macoupin IL-Madison IL-Madison MO-Marion IL-Marion MO-Moniteau MO- Monroe IL-Monroe MO-Montgomery IL-Montgomery MO-Osage MO-Pike IL- Pike MO-Ralls MO-Randolph IL-Reynolds MO-Saint Charles MO- Saint Clair IL-Saint Francois MO-Saint Louis City MO-Saint Louis MO- Sainte Genevieve MO-Shelby MO-Warren MO-Washington IL-Washington MO- 347 PM CDT Sat May 18 2019 This Hazardous Weather Outlook is for portions of eastern and central Missouri as well as west central and southwest Illinois. .DAY ONE...Tonight. Thunderstorms are expected areawide. The greatest threat for severe storms will be near and west of the Mississippi River. Damaging winds will be the primary threat, but large hail and an isolated tornado are also possible. Locally heavy rainfall is also a concern with these storms. Major river flooding is ongoing along portions of the Illinois River. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Major river flooding will continue along portions of the Illinois River and is forecast to resume at Saverton on the Mississippi River. There is a chance for thunderstorms on Sunday. Isolated severe storms are possible around midday and early afternoon Sunday for portions of southern Illinois. The chance for thunderstorms will return Monday night and then continue for portions of the area through Friday. Severe storms and locally heavy rainfall are possible late Tuesday and Tuesday night. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight, mainly for areas near and west of the Mississippi River. TES
In the hours before
Special weather statement, May 18, 6:42 PM CDT, 20 minutes before
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</html>Local storm report, May 18, 6:52 PM CDT, 10 minutes before
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</html>Local storm report, May 18, 6:56 PM CDT, 6 minutes before
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</html>Local storm report, May 18, 6:57 PM CDT, 5 minutes before
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</html>Special weather statement, May 18, 7:02 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:07 PM CDT | Special Weather Statement | LSX | Jefferson | 23 min |
| May 19, 9:59 AM CDT | River Flood Warning | LSX | Boone, Callaway, Cole, Moniteau | 56 days |
| May 19, 9:59 AM CDT | River Flood Warning | LSX | Franklin, Warren | 61 days |
| May 19, 9:59 AM CDT | River Flood Warning | LSX | Cole, Osage | 77 days |
| May 18, 7:31 PM CDT | Special Weather Statement | LSX | Adams, Brown, Calhoun, Pike | 59 min |
Nearby
Special Weather Statements in Missouri, 2019Every special weather statement 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.