Alert archive / Missouri / Special Weather Statements in 2016
Special Weather Statement, NWS St. Louis, MO
NWS St. Louis, MO issued this special weather statement at Jul 10, 2016, 8:21 PM CDT for Saint Charles County, Missouri. It was in force for 54 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 10, 2016, 8:21 PM CDT (01:21 UTC)
- Expired
- Jul 10, 2016, 9:15 PM CDT
- In force
- 54 min
- Issued by
- NWS St. Louis, MO
County Saint Charles County, MO
The radar
The St Louis radar (KLSX), 9 km from the middle of the area, began a volume at 01:22 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
Lincoln, IL (KILX), launched 00:00Z, 1.4 hours before the alert went out and 233 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
- 731 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1117 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
799 WWUS83 KLSX 110121 SPSLSX SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 821 PM CDT SUN JUL 10 2016 MOZ061-063-110215- ST. CHARLES MO-ST. LOUIS MO- 821 PM CDT SUN JUL 10 2016 ...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL ST. LOUIS AND CENTRAL ST. CHARLES COUNTIES UNTIL 915 PM CDT... AT 820 PM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM ST. PETERS TO NEAR MARYLAND HEIGHTS. MOVEMENT WAS WEST AT 10 MPH. HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS. LOCATIONS IMPACTED INCLUDE... O'FALLON...ST. CHARLES...ST. PETERS...CHESTERFIELD... MARYLAND HEIGHTS...CREVE COEUR...DARDENNE PRAIRIE...WELDON SPRING... COTTLEVILLE...ST. PAUL...WELDON SPRING HEIGHTS AND HARVESTER. THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 216 AND 228. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY LEAD TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. && LAT...LON 3884 9076 3866 9071 3867 9045 3884 9054 TIME...MOT...LOC 0120Z 100DEG 11KT 3880 9060 3871 9054 $$ CVKING
Nearby
Special Weather Statements in Missouri, 2016Every special weather statement in 2016
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.