Alert archive / Missouri / Special Weather Statements in 2018
Special Weather Statement, NWS St. Louis, MO
NWS St. Louis, MO issued this special weather statement at Jun 2, 2018, 6:30 AM CDT for Knox County, Shelby County, Missouri. It was in force for 45 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
- Jun 2, 2018, 6:30 AM CDT (11:30 UTC)
- Expired
- Jun 2, 2018, 7:15 AM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
Counties Knox County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 187 km from the middle of the area, began a volume at 11:30 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, 11.5 hours before the alert went out and 229 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
- 316 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 2053 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
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 Jun 2, 3:17 AM CDT, 3 hours 13 minutes earlier.
Area forecast discussion, Jun 2, 3:17 AM CDT, 3 hours 13 minutes before
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
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<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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<p id="message2">
Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, Jun 2, 4:35 AM CDT, 1 hour 55 minutes before
Hazardous Weather Outlook National Weather Service Saint Louis MO 435 AM CDT Sat Jun 2 2018 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-031200- Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO- Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO- Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO- Madison MO-Reynolds MO- 435 AM CDT Sat Jun 2 2018 This hazardous weather outlook is for portions of eastern and central Missouri as well as west central and southwest Illinois. .DAY ONE...Today and Tonight Thunderstorms are likely this morning across portions of central and northeast Missouri. A chance for thunderstorms continues this afternoon and evening across southeast Missouri and southwest Illinois. Some thunderstorms may be severe, mainly this afternoon and evening, capable of producing large hail and damaging winds. .DAYS TWO THROUGH SEVEN...Sunday through Friday There is a chance for thunderstorms Wednesday through Friday. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any severe weather to the National Weather Service. Tilly
In the hours before
Special weather statement, Jun 2, 6:30 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service St Louis MO
630 AM CDT SAT JUN 2 2018
MOZ018-019-026-021215-
Knox MO-Lewis MO-Shelby MO-
630 AM CDT SAT JUN 2 2018
...SIGNIFICANT WEATHER ADVISORY FOR KNOX...SHELBY AND WESTERN LEWIS
COUNTIES UNTIL 715 AM CDT...
At 629 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Brashear to Clarence. Movement was
northeast at 35 mph.
Winds in excess of 40 mph will be possible with these storms.
Locations impacted include...
Shelbina, Edina, Clarence, La Belle, Shelbyville, Knox City,
Greensburg, Plevna, Maud, Steffenville, Colony, Emden, Hunnewell,
Hurdland, Novelty, Baring, Bethel, Newark and Leonard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4030 9195 4026 9195 4026 9184 3966 9185
3966 9218 3961 9219 3961 9228 3967 9230
3995 9229 3996 9234 4030 9235
TIME...MOT...LOC 1129Z 223DEG 29KT 4016 9247 3975 9230
TillyThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 7:12 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Shelby | 48 min |
| Jun 2, 8:06 AM CDT | Special Weather Statement | LSX | Audrain, Ralls | 39 min |
| Jun 2, 8:10 AM CDT | Severe Thunderstorm Warning | LSX | Callaway, Cole, Osage | 50 min |
| Jun 2, 8:32 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Lincoln, Marion, Montgomery, Pike and 1 more | 43 min |
| Jun 2, 9:12 AM CDT | Special Weather Statement | LSX | Franklin, Gasconade, Lincoln, Montgomery, Osage, Warren | 48 min |
| Jun 2, 10:02 AM CDT | Special Weather Statement | LSX | Crawford, Franklin, Gasconade, Saint Louis, Washington | 43 min |
| Jun 2, 10:46 AM CDT | Special Weather Statement | LSX | Crawford, Iron, Washington | 44 min |
| Jun 2, 11:29 AM CDT | Special Weather Statement | LSX | Sainte Genevieve, Saint Francois | 46 min |
| Jun 2, 5:57 PM CDT | Special Weather Statement | LSX | Reynolds | 63 min |
| Jun 2, 6:47 PM CDT | Special Weather Statement | LSX | Iron, Saint Francois | 58 min |
| Jun 2, 6:53 PM CDT | Special Weather Statement | LSX | Reynolds | 67 min |
Nearby
Special Weather Statements in Missouri, 2018Every special weather statement in 2018
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.