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 19, 2016, 12:28 PM CDT for City of Saint Louis, Missouri. It was in force for 47 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 19, 2016, 12:28 PM CDT (17:28 UTC)
- Expired
- Jul 19, 2016, 1:15 PM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
County City of Saint Louis, MO
The radar
The St Louis radar (KLSX), 42 km from the middle of the area, began a volume at 17:30 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
Lincoln, IL (KILX), launched 12:00Z, 5.5 hours before the alert went out and 222 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
- 1185 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
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 19, 6:46 AM CDT, 5 hours 42 minutes earlier.
Area forecast discussion, Jul 19, 6:46 AM CDT, 5 hours 42 minutes before
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</head>
<body>
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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</html>Hazardous weather outlook, Jul 19, 5:07 AM CDT, 7 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 507 AM CDT TUE JUL 19 2016 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-201200- 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- 507 AM CDT TUE JUL 19 2016 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 HEAT ADVISORIES AND EXCESSIVE HEAT WARNINGS ARE IN EFFECT FOR THE AREA TODAY DUE TO HOT AND HUMID CONDITIONS. EXPECT MAXIMUM AFTERNOON HEAT INDEX VALUES BETWEEN 100 AND 107. A FEW STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND THIS EVENING. DAMAGING WINDS IN EXCESS OF 60 MPH ARE THE PRIMARY THREAT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY HEAT ADVISORIES AND EXCESSIVE HEAT WARNINGS ARE IN EFFECT THROUGH FRIDAY. HEAT INDEX VALUES BETWEEN 100 AND 110 DEGREES ARE LIKELY ACROSS THE AREA THROUGH FRIDAY. HEAT INDEX VALUES IN EXCESS OF 100 DEGREES ARE POSSIBLE AGAIN ON SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON AND EVENING. CARNEY
In the hours before
Special weather statement, Jul 19, 12:28 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1228 PM CDT TUE JUL 19 2016 ILZ101-MOZ064-191815- ST. CLAIR IL-ST. LOUIS CITY MO- 1228 PM CDT TUE JUL 19 2016 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ST. CLAIR AND SOUTHERN ST. LOUIS CITY UNTIL 115 PM CDT... AT 1228 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER ST. LOUIS. THIS STORM WAS NEARLY STATIONARY. WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... ST. LOUIS...EAST ST. LOUIS...CAHOKIA...CENTREVILLE...CASEYVILLE... WASHINGTON PARK...DUPO...ALORTON...BROOKLYN... EAST CARONDELET AND SAUGET. THIS ALSO INCLUDES SCOTT JOPLIN HISTORIC SITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. THIS STORM 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 3860 9031 3868 9027 3862 9006 3848 9015 TIME...MOT...LOC 1728Z 298DEG 3KT 3860 9024 CVKING
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 1:13 PM CDT | Special Weather Statement | LSX | City of Saint Louis | 47 min |
| Jul 19, 4:12 PM CDT | Special Weather Statement | LSX | Knox, Lewis | 48 min |
| Jul 19, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 44 min |
| Jul 19, 5:27 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 48 min |
| Jul 19, 6:17 PM CDT | Special Weather Statement | LSX | Audrain | 43 min |
| Jul 19, 1:53 PM CDT | Special Weather Statement | LSX | Madison | 52 min |
| Jul 19, 2:03 PM CDT | Special Weather Statement | LSX | Randolph | 27 min |
| Jul 19, 5:20 PM CDT | Special Weather Statement | LSX | Adams | 40 min |
| Jul 19, 5:38 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 37 min |
| Jul 19, 6:01 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 44 min |
| Jul 19, 6:11 PM CDT | Flash Flood Warning | LSX | Brown, Pike | 3 hr |
| Jul 19, 6:13 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 47 min |
| Jul 19, 6:46 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 44 min |
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.