Alert archive / Missouri / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 56, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 7, 2016, 4:24 PM CDT for Saint Louis County, City of Saint Louis, Missouri; Madison County, Illinois. It was in force for 36 min. 7 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 7, 2016, 4:24 PM CDT (21:24 UTC)
- Expired
- May 7, 2016, 5:00 PM CDT
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Madison County, IL, City of Saint Louis, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 49 km from the middle of the area, began a volume at 21:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 4:44 PM CDT | TSTM WND GST 50 | Edwardsville, IL | |
| May 7, 4:50 PM CDT | TSTM WND DMG | Marine, IL | MULTIPLE TREES DOWNED...POWER OUTAGES. |
| May 7, 4:57 PM CDT | TSTM WND DMG | 3 E Highland, IL | LARGE TREE LIMBS AND BRANCHES GREATER THAN TWO INCHES DIAMETER DOWNED. SNAPPED OFF SIX INCH DIAMETER MAPLE TREE. |
| May 7, 4:59 PM CDT | TSTM WND DMG | Highland, IL | TREES AND LARGE TREE LIMBS DOWN |
| May 7, 5:00 PM CDT | TSTM WND DMG | 3 E Highland, IL | BRANCHES OF A 6 FT DIAMETER MAPLE SNAPPED ABOUT 30 FT ABOVE THE GROUND. TIME ESTIMATED. |
| May 7, 5:00 PM CDT | TSTM WND DMG | Marine, IL | 10 TO 15 PERCENT OF ROOF BLOWN OFF. |
| May 7, 5:00 PM CDT | TSTM WND DMG | Marine, IL | SHINGLES BLOWN OFF HOUSES. DAMAGE TO GUTTERS. LARGE TREES UPROOTED. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.4 hours before the alert went out and 199 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
- 1 J/kg
- Mixed-layer CIN
- -438 J/kg
- Mixed-layer LCL
- 2063 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
188
WUUS53 KLSX 072124
SVRLSX
ILC119-MOC189-510-072200-
/O.NEW.KLSX.SV.W.0056.160507T2124Z-160507T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
424 PM CDT SAT MAY 7 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
NORTHEASTERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
NORTHEASTERN ST. LOUIS CITY IN EAST CENTRAL MISSOURI...
* UNTIL 500 PM CDT
* AT 424 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR BRIGHTON TO 6 MILES WEST OF ORCHARD FARMS...
MOVING SOUTHEAST AT 55 MPH.
HAZARD...70 MPH WIND GUSTS.
SOURCE...NWS OBSERVATION.
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO
MOBILE HOMES...ROOFS...AND OUTBUILDINGS.
* LOCATIONS IMPACTED INCLUDE...
ST. LOUIS...FLORISSANT...GRANITE CITY...MARYLAND HEIGHTS...HAZELWOOD...
COLLINSVILLE...EDWARDSVILLE...FERGUSON...JENNINGS...ST. ANN...GLEN
CARBON...BRIDGETON...BELLEFONTAINE NEIGHBORS...WOOD RIVER...HIGHLAND...
TROY...BERKELEY...MARYVILLE...BLACK JACK AND ST. JOHN.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 21 AND 30.
INTERSTATE 55 IN ILLINOIS BETWEEN EXITS 23 AND 33.
INTERSTATE 70 IN MISSOURI NEAR EXIT 231.
THIS ALSO INCLUDES HORSESHOE LAKE STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD
WIND DAMAGE ACROSS ST. CHARLES COUNTY. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
&&
LAT...LON 3866 9018 3875 9050 3883 9044 3882 9037
3889 9032 3889 9030 3883 9021 3882 9018
3883 9014 3881 9012 3899 8980 3883 8960
3866 8959
TIME...MOT...LOC 2124Z 295DEG 46KT 3909 9019 3888 9057
HAIL...<.75IN
WIND...70MPH
$$
TILLY1 follow-up statement
186
WWUS53 KLSX 072152
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
452 PM CDT SAT MAY 7 2016
MOC189-510-072201-
/O.CAN.KLSX.SV.W.0056.000000T0000Z-160507T2200Z/
ST. LOUIS MO-ST. LOUIS CITY MO-
452 PM CDT SAT MAY 7 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ST. LOUIS AND
NORTHEASTERN ST. LOUIS CITY IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA.THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHWESTERN ILLINOIS...AND EAST CENTRAL MISSOURI.
LAT...LON 3867 9018 3873 9020 3879 9014 3880 9012
3881 9012 3899 8980 3883 8960 3866 8960
TIME...MOT...LOC 2151Z 302DEG 52KT 3888 8976 3869 9008
$$
ILC119-072200-
/O.CON.KLSX.SV.W.0056.000000T0000Z-160507T2200Z/
MADISON IL-
452 PM CDT SAT MAY 7 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
AT 451 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ALHAMBRA TO NEAR PONTOON BEACH...MOVING SOUTHEAST AT 60
MPH.
HAZARD...70 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE
HOMES...ROOFS...AND OUTBUILDINGS.
LOCATIONS IMPACTED INCLUDE...
GRANITE CITY...COLLINSVILLE...EDWARDSVILLE...GLEN CARBON...WOOD RIVER...
HIGHLAND...TROY...MARYVILLE...PONTOON BEACH...MADISON...VENICE...SOUTH
ROXANA...ROXANA...HARTFORD...ST. JACOB...WORDEN...MARINE...LIVINGSTON...
ALHAMBRA AND CARPENTER.
THIS ALSO INCLUDES HORSESHOE LAKE STATE PARK.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 21 AND 30.
INTERSTATE 55 IN ILLINOIS BETWEEN EXITS 23 AND 33.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD
WIND DAMAGE ACROSS ST. CHARLES AND MADISON COUNTIES. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3867 9018 3873 9020 3879 9014 3880 9012
3881 9012 3899 8980 3883 8960 3866 8960
TIME...MOT...LOC 2151Z 302DEG 52KT 3888 8976 3869 9008
HAIL...<.75IN
WIND...70MPH
$$
TILLYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 3:25 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Pike | 50 min |
| May 7, 3:55 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 50 min |
| May 7, 4:36 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Macoupin, Madison, Montgomery | 24 min |
| May 7, 4:58 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Fayette, Madison, Montgomery, Saint Clair | 47 min |
| May 7, 5:26 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 34 min |
| May 7, 5:27 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 37 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2016Severe Thunderstorm Warnings in Illinois, 2016Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.