Alert archive / Missouri / Special Weather Statements in 2017
Special Weather Statement, NWS St. Louis, MO
NWS St. Louis, MO issued this special weather statement at Jul 7, 2017, 6:08 AM CDT for Pike County, Missouri. It was in force for 52 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
- Jul 7, 2017, 6:08 AM CDT (11:08 UTC)
- Expired
- Jul 7, 2017, 7:00 AM CDT
- In force
- 52 min
- Issued by
- NWS St. Louis, MO
County Pike County, MO
The radar
The St Louis radar (KLSX), 83 km from the middle of the area, began a volume at 11:10 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, 11.1 hours before the alert went out and 268 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
- 1175 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1720 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 5.4
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 Jul 7, 6:07 AM CDT, 1 minute earlier.
Area forecast discussion, Jul 7, 6:07 AM CDT, 1 minute before
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</html>Hazardous weather outlook, Jul 7, 4:03 AM CDT, 2 hours 5 minutes before
Hazardous Weather Outlook National Weather Service Saint Louis MO 403 AM CDT Fri Jul 7 2017 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-080915- 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- 403 AM CDT Fri Jul 7 2017 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 Isolated strong to severe thunderstorms will be possible over portions of the region today. The main threats will be damaging winds to 60 mph and large hail to the size of quarters. .DAYS TWO THROUGH SEVEN...Saturday through Thursday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is possible today. KD
In the hours before
Special weather statement, Jul 7, 5:00 AM CDT, 1 hour 8 minutes before
Special Weather Statement
National Weather Service St Louis MO
500 AM CDT FRI JUL 7 2017
ILZ095-071045-
Adams IL-
500 AM CDT FRI JUL 7 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN ADAMS COUNTY UNTIL 545
AM CDT...
At 500 AM CDT, Doppler radar was tracking a strong thunderstorm near
Quincy, moving southeast at 25 mph.
Dime size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Quincy, Quincy Regional Airport, Payson, Fall Creek, Beverly, Adams,
Kingston, Burton, Liberty, Richfield, Plainville and Fowler.
This includes Interstate 172 between exits 2 and 19.
LAT...LON 4008 9130 3982 9091 3975 9112 3976 9130
4002 9148
TIME...MOT...LOC 1000Z 327DEG 21KT 3999 9135
KDSpecial weather statement, Jul 7, 5:44 AM CDT, 24 minutes before
Special Weather Statement National Weather Service St Louis MO 544 AM CDT FRI JUL 7 2017 ILZ095-097-MOZ027-035-036-071130- Adams IL-Pike IL-Marion MO-Pike MO-Ralls MO- 544 AM CDT FRI JUL 7 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN PIKE AND SOUTH CENTRAL ADAMS COUNTIES IN WEST CENTRAL ILLINOIS...NORTHEASTERN RALLS...SOUTHEASTERN MARION AND NORTH CENTRAL PIKE COUNTIES IN NORTHEASTERN MISSOURI UNTIL 630 AM CDT... At 544 AM CDT, Doppler radar was tracking a strong thunderstorm over Fall Creek, moving southeast at 25 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Hannibal, Payson, Fall Creek, Hull, New Canton, Plainville, Kinderhook, Ilasco, Saverton, Seehorn and Ashburn. This includes the following highways... Interstate 172 near exit 2. Interstate 72 between exits 4 and 10. LAT...LON 3976 9140 3984 9123 3956 9096 3946 9127 TIME...MOT...LOC 1044Z 326DEG 20KT 3974 9130 KD
Special weather statement, Jul 7, 6:08 AM 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 |
|---|---|---|---|---|
| Jul 7, 5:00 AM CDT | Special Weather Statement | LSX | Adams | 45 min |
| Jul 7, 5:44 AM CDT | Special Weather Statement | LSX | Pike | 46 min |
Nearby
Special Weather Statements in Missouri, 2017Every special weather statement in 2017
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.